INFO: task kworker/1:2:142 blocked for more than 143 seconds.
Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2 state:D stack:25128 pid: 142 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x2af/0x360 kernel/sched/completion.c:106
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0x9ec/0x1320 drivers/nfc/port100.c:1557
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:755
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:785
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:902
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:973
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xb83/0x1e20 drivers/base/core.c:3405
usb_set_configuration+0x101e/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:755
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:785
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:902
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:973
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xb83/0x1e20 drivers/base/core.c:3405
usb_new_device.cold+0x641/0x1091 drivers/usb/core/hub.c:2566
hub_port_connect drivers/usb/core/hub.c:5363 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
port_event drivers/usb/core/hub.c:5665 [inline]
hub_event+0x25c6/0x4680 drivers/usb/core/hub.c:5747
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
process_scheduled_works kernel/workqueue.c:2352 [inline]
worker_thread+0x854/0x1080 kernel/workqueue.c:2438
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
INFO: task kworker/0:2:917 blocked for more than 143 seconds.
Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:25944 pid: 917 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x2af/0x360 kernel/sched/completion.c:106
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0x9ec/0x1320 drivers/nfc/port100.c:1557
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:755
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:785
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:902
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:973
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xb83/0x1e20 drivers/base/core.c:3405
usb_set_configuration+0x101e/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:755
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:785
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:902
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:973
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xb83/0x1e20 drivers/base/core.c:3405
usb_new_device.cold+0x641/0x1091 drivers/usb/core/hub.c:2566
hub_port_connect drivers/usb/core/hub.c:5363 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
port_event drivers/usb/core/hub.c:5665 [inline]
hub_event+0x25c6/0x4680 drivers/usb/core/hub.c:5747
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
INFO: task kworker/0:3:3258 blocked for more than 144 seconds.
Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3 state:D stack:26184 pid: 3258 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x2af/0x360 kernel/sched/completion.c:106
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0x9ec/0x1320 drivers/nfc/port100.c:1557
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:755
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:785
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:902
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:973
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xb83/0x1e20 drivers/base/core.c:3405
usb_set_configuration+0x101e/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:755
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:785
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:902
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:973
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xb83/0x1e20 drivers/base/core.c:3405
usb_new_device.cold+0x641/0x1091 drivers/usb/core/hub.c:2566
hub_port_connect drivers/usb/core/hub.c:5363 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
port_event drivers/usb/core/hub.c:5665 [inline]
hub_event+0x25c6/0x4680 drivers/usb/core/hub.c:5747
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
INFO: task syz-executor298:3631 can't die for more than 144 seconds.
task:syz-executor298 state:D stack:27456 pid: 3631 ppid: 3627 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6483
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:957
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1347
do_sys_open fs/open.c:1363 [inline]
__do_sys_openat fs/open.c:1379 [inline]
__se_sys_openat fs/open.c:1374 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1374
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff4e1474c97
RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97
RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c
RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0
</TASK>
INFO: task syz-executor298:3631 blocked for more than 145 seconds.
Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor298 state:D stack:27456 pid: 3631 ppid: 3627 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6483
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:957
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1347
do_sys_open fs/open.c:1363 [inline]
__do_sys_openat fs/open.c:1379 [inline]
__se_sys_openat fs/open.c:1374 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1374
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff4e1474c97
RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97
RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c
RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0
</TASK>
INFO: task syz-executor298:3632 can't die for more than 145 seconds.
task:syz-executor298 state:D stack:28032 pid: 3632 ppid: 3629 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6483
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:957
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1347
do_sys_open fs/open.c:1363 [inline]
__do_sys_openat fs/open.c:1379 [inline]
__se_sys_openat fs/open.c:1374 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1374
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff4e1474c97
RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97
RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c
RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0
</TASK>
INFO: task syz-executor298:3632 blocked for more than 145 seconds.
Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor298 state:D stack:28032 pid: 3632 ppid: 3629 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6483
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:957
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1347
do_sys_open fs/open.c:1363 [inline]
__do_sys_openat fs/open.c:1379 [inline]
__se_sys_openat fs/open.c:1374 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1374
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff4e1474c97
RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97
RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c
RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0
</TASK>
INFO: task syz-executor298:3634 can't die for more than 145 seconds.
task:syz-executor298 state:D stack:28032 pid: 3634 ppid: 3628 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6483
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:957
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1347
do_sys_open fs/open.c:1363 [inline]
__do_sys_openat fs/open.c:1379 [inline]
__se_sys_openat fs/open.c:1374 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1374
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff4e1474c97
RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97
RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c
RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0
</TASK>
INFO: task syz-executor298:3634 blocked for more than 146 seconds.
Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor298 state:D stack:28032 pid: 3634 ppid: 3628 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6483
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:957
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1347
do_sys_open fs/open.c:1363 [inline]
__do_sys_openat fs/open.c:1379 [inline]
__se_sys_openat fs/open.c:1374 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1374
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff4e1474c97
RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97
RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c
RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0
</TASK>
INFO: task syz-executor298:3635 can't die for more than 146 seconds.
task:syz-executor298 state:D stack:28032 pid: 3635 ppid: 3630 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6483
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:957
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1347
do_sys_open fs/open.c:1363 [inline]
__do_sys_openat fs/open.c:1379 [inline]
__se_sys_openat fs/open.c:1374 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1374
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff4e1474c97
RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97
RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c
RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0
</TASK>
INFO: task syz-executor298:3635 blocked for more than 146 seconds.
Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor298 state:D stack:28032 pid: 3635 ppid: 3630 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6483
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:957
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1347
do_sys_open fs/open.c:1363 [inline]
__do_sys_openat fs/open.c:1379 [inline]
__se_sys_openat fs/open.c:1374 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1374
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff4e1474c97
RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97
RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c
RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000036 R15: 00007ffcf35b3be0
</TASK>
INFO: task kworker/0:1:3639 blocked for more than 147 seconds.
Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1 state:D stack:26008 pid: 3639 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x2af/0x360 kernel/sched/completion.c:106
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0x9ec/0x1320 drivers/nfc/port100.c:1557
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:755
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:785
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:902
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:973
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xb83/0x1e20 drivers/base/core.c:3405
usb_set_configuration+0x101e/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:755
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:785
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:902
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:973
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xb83/0x1e20 drivers/base/core.c:3405
usb_new_device.cold+0x641/0x1091 drivers/usb/core/hub.c:2566
hub_port_connect drivers/usb/core/hub.c:5363 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
port_event drivers/usb/core/hub.c:5665 [inline]
hub_event+0x25c6/0x4680 drivers/usb/core/hub.c:5747
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
INFO: task kworker/0:4:3640 blocked for more than 147 seconds.
Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4 state:D stack:26400 pid: 3640 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x2af/0x360 kernel/sched/completion.c:106
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0x9ec/0x1320 drivers/nfc/port100.c:1557
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:755
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:785
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:902
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:973
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xb83/0x1e20 drivers/base/core.c:3405
usb_set_configuration+0x101e/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:755
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:785
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:902
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:973
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xb83/0x1e20 drivers/base/core.c:3405
usb_new_device.cold+0x641/0x1091 drivers/usb/core/hub.c:2566
hub_port_connect drivers/usb/core/hub.c:5363 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]
port_event drivers/usb/core/hub.c:5665 [inline]
hub_event+0x25c6/0x4680 drivers/usb/core/hub.c:5747
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
INFO: task syz-executor298:3649 can't die for more than 148 seconds.
task:syz-executor298 state:D stack:28032 pid: 3649 ppid: 3625 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6483
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:957
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1347
do_sys_open fs/open.c:1363 [inline]
__do_sys_openat fs/open.c:1379 [inline]
__se_sys_openat fs/open.c:1374 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1374
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff4e1474c97
RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97
RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c
RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffcf35b3bdc R14: 0000000000000036 R15: 00007ffcf35b3be0
</TASK>
INFO: task syz-executor298:3649 blocked for more than 148 seconds.
Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor298 state:D stack:28032 pid: 3649 ppid: 3625 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5043 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6352
schedule+0xd2/0x1f0 kernel/sched/core.c:6424
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6483
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4b9/0x1250 fs/open.c:957
do_open fs/namei.c:3476 [inline]
path_openat+0x1c9e/0x2940 fs/namei.c:3609
do_filp_open+0x1aa/0x400 fs/namei.c:3636
do_sys_openat2+0x16d/0x4d0 fs/open.c:1347
do_sys_open fs/open.c:1363 [inline]
__do_sys_openat fs/open.c:1379 [inline]
__se_sys_openat fs/open.c:1374 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1374
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff4e1474c97
RSP: 002b:00007ffcf35b1a80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000200000c0 RCX: 00007ff4e1474c97
RDX: 0000000000000002 RSI: 00007ff4e14fa03b RDI: 00000000ffffff9c
RBP: 00007ff4e14fa03b R08: 00007ffcf35b1b68 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffcf35b3bdc R14: 0000000000000036 R15: 00007ffcf35b3be0
</TASK>
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8bd858e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6498
5 locks held by kworker/1:2/142:
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc900020bfda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88801ec7d220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801ec7d220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4680 drivers/usb/core/hub.c:5693
#3: ffff888078b63220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff888078b63220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
#4: ffff888078b641a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff888078b641a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
5 locks held by kworker/0:2/917:
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90004a5fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88801ed53220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff88801ed53220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4680 drivers/usb/core/hub.c:5693
#3: ffff888148b9e220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff888148b9e220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
#4: ffff88814bd1f1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88814bd1f1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
5 locks held by kworker/0:3/3258:
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90002f9fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff888148ee3220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff888148ee3220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4680 drivers/usb/core/hub.c:5693
#3: ffff88814bc76220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff88814bc76220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
#4: ffff88814bd851a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88814bd851a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
2 locks held by getty/3278:
#0: ffff888024631098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002e662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2075
1 lock held by syz-executor298/3631:
#0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor298/3632:
#0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor298/3634:
#0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor298/3635:
#0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
5 locks held by kworker/0:1/3639:
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90003c1fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff888148efb220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff888148efb220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4680 drivers/usb/core/hub.c:5693
#3: ffff888148bcd220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff888148bcd220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
#4: ffff88814bd781a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88814bd781a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
5 locks held by kworker/0:4/3640:
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff88801692ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc90003c2fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff888148ed3220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#2: ffff888148ed3220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4680 drivers/usb/core/hub.c:5693
#3: ffff888148bcc220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#3: ffff888148bcc220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
#4: ffff88814bd821a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:767 [inline]
#4: ffff88814bd821a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:948
1 lock held by syz-executor298/3649:
#0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
2 locks held by syz-executor298/3650:
#0: ffffffff8c7fa668 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
#1: ffffffff8bc50a28 (system_transition_mutex){+.+.}-{3:3}, at: snapshot_open+0x3b/0x2a0 kernel/power/user.c:54
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:256 [inline]
watchdog+0xcb7/0xed0 kernel/hung_task.c:413
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 980 Comm: kworker/u4:4 Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:lookup_object lib/debugobjects.c:196 [inline]
RIP: 0010:debug_object_activate+0x182/0x3e0 lib/debugobjects.c:663
Code: 00 00 00 00 fc ff df 48 8d 7d 18 83 c3 01 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 c6 01 00 00 4c 3b 65 18 0f 84 bf 00 00 00 <48> 89 e8 48 c1 e8 03 42 80 3c 28 00 0f 85 c6 01 00 00 48 8b 6d 00
RSP: 0018:ffffc90004cff9d0 EFLAGS: 00000006
RAX: 1ffff1100391e2b9 RBX: 000000000000000a RCX: ffffffff815e3600
RDX: 1ffffffff20ebbdc RSI: 0000000000000006 RDI: ffff88801c8f15c8
RBP: ffff88801c8f15b0 R08: ffffffff9075ded0 R09: 0000000000000003
R10: fffff5200099ff28 R11: 0000000000000001 R12: ffffffff8bed8588
R13: dffffc0000000000 R14: 1ffff9200099ff3c R15: ffffffff89ce5c00
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d0efeb5050 CR3: 000000000ba8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
debug_timer_activate kernel/time/timer.c:729 [inline]
__mod_timer+0x77d/0xe30 kernel/time/timer.c:1050
__queue_delayed_work+0x1a7/0x270 kernel/workqueue.c:1676
queue_delayed_work_on+0x105/0x120 kernel/workqueue.c:1701
queue_delayed_work include/linux/workqueue.h:518 [inline]
toggle_allocation_gate mm/kfence/core.c:751 [inline]
toggle_allocation_gate+0x1c8/0x390 mm/kfence/core.c:727
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
</TASK>
----------------
Code disassembly (best guess), 6 bytes skipped:
0: df 48 8d fisttps -0x73(%rax)
3: 7d 18 jge 0x1d
5: 83 c3 01 add $0x1,%ebx
8: 48 89 f8 mov %rdi,%rax
b: 48 c1 e8 03 shr $0x3,%rax
f: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
14: 0f 85 c6 01 00 00 jne 0x1e0
1a: 4c 3b 65 18 cmp 0x18(%rbp),%r12
1e: 0f 84 bf 00 00 00 je 0xe3
* 24: 48 89 e8 mov %rbp,%rax <-- trapping instruction
27: 48 c1 e8 03 shr $0x3,%rax
2b: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
30: 0f 85 c6 01 00 00 jne 0x1fc
36: 48 8b 6d 00 mov 0x0(%rbp),%rbp