INFO: task kworker/1:0:20 blocked for more than 143 seconds.
Not tainted 5.16.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:25728 pid: 20 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26e0 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x174/0x270 kernel/sched/completion.c:138
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0x8f4/0x1150 drivers/nfc/port100.c:1557
usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x1c2/0xb60 drivers/base/dd.c:596
__driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
driver_probe_device+0x44/0x110 drivers/base/dd.c:781
__device_attach_driver+0x185/0x250 drivers/base/dd.c:898
bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
__device_attach+0x1db/0x410 drivers/base/dd.c:969
bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
device_add+0xa57/0x1b80 drivers/base/core.c:3394
usb_set_configuration+0xa66/0x18b0 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238
usb_probe_device+0x95/0x240 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x1c2/0xb60 drivers/base/dd.c:596
__driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
driver_probe_device+0x44/0x110 drivers/base/dd.c:781
__device_attach_driver+0x185/0x250 drivers/base/dd.c:898
bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
__device_attach+0x1db/0x410 drivers/base/dd.c:969
bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
device_add+0xa57/0x1b80 drivers/base/core.c:3394
usb_new_device.cold+0x5cf/0xee8 drivers/usb/core/hub.c:2563
hub_port_connect drivers/usb/core/hub.c:5353 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
port_event drivers/usb/core/hub.c:5643 [inline]
hub_event+0x111f/0x3830 drivers/usb/core/hub.c:5725
process_one_work+0x87f/0x1420 kernel/workqueue.c:2298
worker_thread+0x5a6/0xf90 kernel/workqueue.c:2445
kthread+0x3ab/0x480 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/1:1:25 blocked for more than 143 seconds.
Not tainted 5.16.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1 state:D stack:25696 pid: 25 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26e0 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x174/0x270 kernel/sched/completion.c:138
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0x8f4/0x1150 drivers/nfc/port100.c:1557
usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x1c2/0xb60 drivers/base/dd.c:596
__driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
driver_probe_device+0x44/0x110 drivers/base/dd.c:781
__device_attach_driver+0x185/0x250 drivers/base/dd.c:898
bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
__device_attach+0x1db/0x410 drivers/base/dd.c:969
bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
device_add+0xa57/0x1b80 drivers/base/core.c:3394
usb_set_configuration+0xa66/0x18b0 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238
usb_probe_device+0x95/0x240 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x1c2/0xb60 drivers/base/dd.c:596
__driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
driver_probe_device+0x44/0x110 drivers/base/dd.c:781
__device_attach_driver+0x185/0x250 drivers/base/dd.c:898
bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
__device_attach+0x1db/0x410 drivers/base/dd.c:969
bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
device_add+0xa57/0x1b80 drivers/base/core.c:3394
usb_new_device.cold+0x5cf/0xee8 drivers/usb/core/hub.c:2563
hub_port_connect drivers/usb/core/hub.c:5353 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
port_event drivers/usb/core/hub.c:5643 [inline]
hub_event+0x111f/0x3830 drivers/usb/core/hub.c:5725
process_one_work+0x87f/0x1420 kernel/workqueue.c:2298
worker_thread+0x5a6/0xf90 kernel/workqueue.c:2445
kthread+0x3ab/0x480 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/1:5:3652 blocked for more than 144 seconds.
Not tainted 5.16.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5 state:D stack:25872 pid: 3652 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26e0 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x174/0x270 kernel/sched/completion.c:138
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0x8f4/0x1150 drivers/nfc/port100.c:1557
usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x1c2/0xb60 drivers/base/dd.c:596
__driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
driver_probe_device+0x44/0x110 drivers/base/dd.c:781
__device_attach_driver+0x185/0x250 drivers/base/dd.c:898
bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
__device_attach+0x1db/0x410 drivers/base/dd.c:969
bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
device_add+0xa57/0x1b80 drivers/base/core.c:3394
usb_set_configuration+0xa66/0x18b0 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238
usb_probe_device+0x95/0x240 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x1c2/0xb60 drivers/base/dd.c:596
__driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
driver_probe_device+0x44/0x110 drivers/base/dd.c:781
__device_attach_driver+0x185/0x250 drivers/base/dd.c:898
bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
__device_attach+0x1db/0x410 drivers/base/dd.c:969
bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
device_add+0xa57/0x1b80 drivers/base/core.c:3394
usb_new_device.cold+0x5cf/0xee8 drivers/usb/core/hub.c:2563
hub_port_connect drivers/usb/core/hub.c:5353 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
port_event drivers/usb/core/hub.c:5643 [inline]
hub_event+0x111f/0x3830 drivers/usb/core/hub.c:5725
process_one_work+0x87f/0x1420 kernel/workqueue.c:2298
worker_thread+0x5a6/0xf90 kernel/workqueue.c:2445
kthread+0x3ab/0x480 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/0:6:4174 blocked for more than 144 seconds.
Not tainted 5.16.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:6 state:D stack:25968 pid: 4174 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26e0 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_timeout+0x19d/0x250 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x174/0x270 kernel/sched/completion.c:138
port100_send_cmd_sync drivers/nfc/port100.c:926 [inline]
port100_get_command_type_mask drivers/nfc/port100.c:1011 [inline]
port100_probe+0x8f4/0x1150 drivers/nfc/port100.c:1557
usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x1c2/0xb60 drivers/base/dd.c:596
__driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
driver_probe_device+0x44/0x110 drivers/base/dd.c:781
__device_attach_driver+0x185/0x250 drivers/base/dd.c:898
bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
__device_attach+0x1db/0x410 drivers/base/dd.c:969
bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
device_add+0xa57/0x1b80 drivers/base/core.c:3394
usb_set_configuration+0xa66/0x18b0 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238
usb_probe_device+0x95/0x240 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x1c2/0xb60 drivers/base/dd.c:596
__driver_probe_device+0x2a6/0x460 drivers/base/dd.c:751
driver_probe_device+0x44/0x110 drivers/base/dd.c:781
__device_attach_driver+0x185/0x250 drivers/base/dd.c:898
bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
__device_attach+0x1db/0x410 drivers/base/dd.c:969
bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
device_add+0xa57/0x1b80 drivers/base/core.c:3394
usb_new_device.cold+0x5cf/0xee8 drivers/usb/core/hub.c:2563
hub_port_connect drivers/usb/core/hub.c:5353 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
port_event drivers/usb/core/hub.c:5643 [inline]
hub_event+0x111f/0x3830 drivers/usb/core/hub.c:5725
process_one_work+0x87f/0x1420 kernel/workqueue.c:2298
worker_thread+0x5a6/0xf90 kernel/workqueue.c:2445
kthread+0x3ab/0x480 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task syz-executor.0:4260 blocked for more than 145 seconds.
Not tainted 5.16.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27448 pid: 4260 ppid: 3915 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26e0 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
misc_open+0x50/0x410 drivers/char/misc.c:107
chrdev_open+0x20f/0x650 fs/char_dev.c:414
do_dentry_open+0x429/0x1040 fs/open.c:822
do_open fs/namei.c:3426 [inline]
path_openat+0x9ea/0x2240 fs/namei.c:3559
do_filp_open+0x199/0x3d0 fs/namei.c:3586
do_sys_openat2+0x11e/0x400 fs/open.c:1212
do_sys_open fs/open.c:1228 [inline]
__do_sys_openat fs/open.c:1244 [inline]
__se_sys_openat fs/open.c:1239 [inline]
__x64_sys_openat+0x11b/0x1d0 fs/open.c:1239
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: 0033:0x4665e9
RSP: 002b:00007faac124b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 0000000000020601 RSI: 00000000200003c0 RDI: ffffffffffffff9c
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffec37e368f R14: 00007faac124b300 R15: 0000000000022000
INFO: task syz-executor.0:4279 blocked for more than 145 seconds.
Not tainted 5.16.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28528 pid: 4279 ppid: 3915 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26e0 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
misc_open+0x50/0x410 drivers/char/misc.c:107
chrdev_open+0x20f/0x650 fs/char_dev.c:414
do_dentry_open+0x429/0x1040 fs/open.c:822
do_open fs/namei.c:3426 [inline]
path_openat+0x9ea/0x2240 fs/namei.c:3559
do_filp_open+0x199/0x3d0 fs/namei.c:3586
do_sys_openat2+0x11e/0x400 fs/open.c:1212
do_sys_open fs/open.c:1228 [inline]
__do_sys_openat fs/open.c:1244 [inline]
__se_sys_openat fs/open.c:1239 [inline]
__x64_sys_openat+0x11b/0x1d0 fs/open.c:1239
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: 0033:0x4196d4
RSP: 002b:00007faac1228040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004196d4
RDX: 0000000000000002 RSI: 00000000004beaa1 RDI: 00000000ffffff9c
RBP: 00000000004beaa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000020000140 R15: 0000000000022000
INFO: task syz-executor.0:4280 blocked for more than 145 seconds.
Not tainted 5.16.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28528 pid: 4280 ppid: 3915 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26e0 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
misc_open+0x50/0x410 drivers/char/misc.c:107
chrdev_open+0x20f/0x650 fs/char_dev.c:414
do_dentry_open+0x429/0x1040 fs/open.c:822
do_open fs/namei.c:3426 [inline]
path_openat+0x9ea/0x2240 fs/namei.c:3559
do_filp_open+0x199/0x3d0 fs/namei.c:3586
do_sys_openat2+0x11e/0x400 fs/open.c:1212
do_sys_open fs/open.c:1228 [inline]
__do_sys_openat fs/open.c:1244 [inline]
__se_sys_openat fs/open.c:1239 [inline]
__x64_sys_openat+0x11b/0x1d0 fs/open.c:1239
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: 0033:0x4196d4
RSP: 002b:00007faac1207040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000056c0f0 RCX: 00000000004196d4
RDX: 0000000000000002 RSI: 00000000004beaa1 RDI: 00000000ffffff9c
RBP: 00000000004beaa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000000 R14: 00000000200000c0 R15: 0000000000022000
INFO: task syz-executor.2:4265 blocked for more than 146 seconds.
Not tainted 5.16.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27864 pid: 4265 ppid: 3919 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26e0 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
misc_open+0x50/0x410 drivers/char/misc.c:107
chrdev_open+0x20f/0x650 fs/char_dev.c:414
do_dentry_open+0x429/0x1040 fs/open.c:822
do_open fs/namei.c:3426 [inline]
path_openat+0x9ea/0x2240 fs/namei.c:3559
do_filp_open+0x199/0x3d0 fs/namei.c:3586
do_sys_openat2+0x11e/0x400 fs/open.c:1212
do_sys_open fs/open.c:1228 [inline]
__do_sys_openat fs/open.c:1244 [inline]
__se_sys_openat fs/open.c:1239 [inline]
__x64_sys_openat+0x11b/0x1d0 fs/open.c:1239
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: 0033:0x4196d4
RSP: 002b:00007febefcfc040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004196d4
RDX: 0000000000000002 RSI: 00000000004beaa1 RDI: 00000000ffffff9c
RBP: 00000000004beaa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000000 R14: 00000000200000c0 R15: 0000000000022000
INFO: task syz-executor.4:4268 blocked for more than 146 seconds.
Not tainted 5.16.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28408 pid: 4268 ppid: 3921 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26e0 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
misc_open+0x50/0x410 drivers/char/misc.c:107
chrdev_open+0x20f/0x650 fs/char_dev.c:414
do_dentry_open+0x429/0x1040 fs/open.c:822
do_open fs/namei.c:3426 [inline]
path_openat+0x9ea/0x2240 fs/namei.c:3559
do_filp_open+0x199/0x3d0 fs/namei.c:3586
do_sys_openat2+0x11e/0x400 fs/open.c:1212
do_sys_open fs/open.c:1228 [inline]
__do_sys_openat fs/open.c:1244 [inline]
__se_sys_openat fs/open.c:1239 [inline]
__x64_sys_openat+0x11b/0x1d0 fs/open.c:1239
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: 0033:0x4196d4
RSP: 002b:00007f975591e040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004196d4
RDX: 0000000000000002 RSI: 00000000004beaa1 RDI: 00000000ffffff9c
RBP: 00000000004beaa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000000 R14: 00000000200000c0 R15: 0000000000022000
INFO: task syz-executor.5:4270 blocked for more than 146 seconds.
Not tainted 5.16.0-rc8-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:27696 pid: 4270 ppid: 4201 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26e0 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
misc_open+0x50/0x410 drivers/char/misc.c:107
chrdev_open+0x20f/0x650 fs/char_dev.c:414
do_dentry_open+0x429/0x1040 fs/open.c:822
do_open fs/namei.c:3426 [inline]
path_openat+0x9ea/0x2240 fs/namei.c:3559
do_filp_open+0x199/0x3d0 fs/namei.c:3586
do_sys_openat2+0x11e/0x400 fs/open.c:1212
do_sys_open fs/open.c:1228 [inline]
__do_sys_openat fs/open.c:1244 [inline]
__se_sys_openat fs/open.c:1239 [inline]
__x64_sys_openat+0x11b/0x1d0 fs/open.c:1239
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: 0033:0x4196d4
RSP: 002b:00007f071d22e040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004196d4
RDX: 0000000000000002 RSI: 00000000004beaa1 RDI: 00000000ffffff9c
RBP: 00000000004beaa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000000 R14: 00000000200000c0 R15: 0000000000022000
Showing all locks held in the system:
5 locks held by kworker/1:0/20:
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1420 kernel/workqueue.c:2269
#1: ffffc90000da7db8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1420 kernel/workqueue.c:2273
#2: ffff888147554220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff888147554220 (&dev->mutex){....}-{3:3}, at: hub_event+0x127/0x3830 drivers/usb/core/hub.c:5671
#3: ffff88807700f220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff88807700f220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
#4: ffff88801d96a1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#4: ffff88801d96a1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
5 locks held by kworker/1:1/25:
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1420 kernel/workqueue.c:2269
#1: ffffc90000dffdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1420 kernel/workqueue.c:2273
#2: ffff888147574220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff888147574220 (&dev->mutex){....}-{3:3}, at: hub_event+0x127/0x3830 drivers/usb/core/hub.c:5671
#3: ffff88807b150220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff88807b150220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
#4: ffff88807943a1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#4: ffff88807943a1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
1 lock held by khungtaskd/27:
#0: ffffffff8ab78b80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
2 locks held by klogd/2994:
#0: ffff8880b9f39a58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:478 [inline]
#0: ffff8880b9f39a58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1316 [inline]
#0: ffff8880b9f39a58 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1614 [inline]
#0: ffff8880b9f39a58 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x236/0x26e0 kernel/sched/core.c:6167
#1: ffff8880b9f279c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3a6/0x490 kernel/sched/psi.c:880
2 locks held by getty/3316:
#0: ffff88807e380098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x1f/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc900027962e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x9dd/0xed0 drivers/tty/n_tty.c:2113
5 locks held by kworker/1:5/3652:
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1420 kernel/workqueue.c:2269
#1: ffffc900024efdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1420 kernel/workqueue.c:2273
#2: ffff88801c40c220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff88801c40c220 (&dev->mutex){....}-{3:3}, at: hub_event+0x127/0x3830 drivers/usb/core/hub.c:5671
#3: ffff88807700e220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff88807700e220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
#4: ffff88807943e1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#4: ffff88807943e1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
3 locks held by udevd/3710:
#0: ffff88806513a888 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:203 [inline]
#0: ffff88806513a888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x15f/0x550 fs/kernfs/file.c:242
#1: ffff888062c33bd0 (kn->active#56){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:204 [inline]
#1: ffff888062c33bd0 (kn->active#56){++++}-{0:0}, at: kernfs_fop_read_iter+0x182/0x550 fs/kernfs/file.c:242
#2: ffff88807b150220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:765 [inline]
#2: ffff88807b150220 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x36/0x310 drivers/usb/core/sysfs.c:873
3 locks held by udevd/3711:
#0: ffff888018483888 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:203 [inline]
#0: ffff888018483888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x15f/0x550 fs/kernfs/file.c:242
#1: ffff8880209d6008 (kn->active#56){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:204 [inline]
#1: ffff8880209d6008 (kn->active#56){++++}-{0:0}, at: kernfs_fop_read_iter+0x182/0x550 fs/kernfs/file.c:242
#2: ffff88807700f220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:765 [inline]
#2: ffff88807700f220 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x36/0x310 drivers/usb/core/sysfs.c:873
5 locks held by kworker/0:6/4174:
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888141bbe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1420 kernel/workqueue.c:2269
#1: ffffc9000261fdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1420 kernel/workqueue.c:2273
#2: ffff88801c3ec220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff88801c3ec220 (&dev->mutex){....}-{3:3}, at: hub_event+0x127/0x3830 drivers/usb/core/hub.c:5671
#3: ffff88801d892220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff88801d892220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
#4: ffff88801d4531a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#4: ffff88801d4531a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
3 locks held by udevd/4232:
#0: ffff88801c773c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:203 [inline]
#0: ffff88801c773c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x15f/0x550 fs/kernfs/file.c:242
#1: ffff888062c33490 (kn->active#56){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:204 [inline]
#1: ffff888062c33490 (kn->active#56){++++}-{0:0}, at: kernfs_fop_read_iter+0x182/0x550 fs/kernfs/file.c:242
#2: ffff88807700e220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:765 [inline]
#2: ffff88807700e220 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x36/0x310 drivers/usb/core/sysfs.c:873
1 lock held by syz-executor.0/4260:
#0: ffffffff8b59fca8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
1 lock held by syz-executor.0/4279:
#0: ffffffff8b59fca8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
1 lock held by syz-executor.0/4280:
#0: ffffffff8b59fca8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
1 lock held by syz-executor.2/4265:
#0: ffffffff8b59fca8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
1 lock held by syz-executor.4/4268:
#0: ffffffff8b59fca8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
1 lock held by syz-executor.5/4270:
#0: ffffffff8b59fca8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
1 lock held by syz-executor.3/4274:
#0: ffffffff8b59fca8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
2 locks held by syz-executor.1/4277:
#0: ffffffff8b59fca8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
#1: ffffffff8aa48ee8 (system_transition_mutex){+.+.}-{3:3}, at: snapshot_open+0x1c/0x210 kernel/power/user.c:54
1 lock held by syz-executor.1/4278:
#0: ffffffff8b59fca8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.16.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x30/0xc0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x11f/0x170 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0x88c/0xbf0 kernel/hung_task.c:295
kthread+0x3ab/0x480 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 519 Comm: kworker/u4:3 Not tainted 5.16.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:task_wait_context kernel/locking/lockdep.c:4632 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4721 [inline]
RIP: 0010:__lock_acquire+0x5ba/0x5410 kernel/locking/lockdep.c:4977
Code: 03 83 e2 07 42 0f b6 04 08 38 d0 7f 08 84 c0 0f 85 8d 2b 00 00 0f b6 43 21 31 f0 a8 60 74 c2 41 83 c6 01 65 8b 05 1e 50 af 7e <85> c0 0f 85 ef 0a 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5c 24
RSP: 0018:ffffc90002f4f7d8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff888018568a20 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff8ee6fa19
RBP: ffff888018568a19 R08: 0000000000000000 R09: dffffc0000000000
R10: fffffbfff1dcd12a R11: 0000000000000001 R12: ffff888018568ae8
R13: ffff888018568000 R14: 0000000000000000 R15: 0000000000000005
FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ad11a1a600 CR3: 000000000a88e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire kernel/locking/lockdep.c:5637 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
__get_locked_pte+0x203/0x3c0 mm/memory.c:1722
get_locked_pte include/linux/mm.h:2160 [inline]
__text_poke+0x1ae/0x8c0 arch/x86/kernel/alternative.c:1000
text_poke_bp_batch+0x3d9/0x560 arch/x86/kernel/alternative.c:1361
text_poke_flush arch/x86/kernel/alternative.c:1451 [inline]
text_poke_flush arch/x86/kernel/alternative.c:1448 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1458
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_enable_cpuslocked+0x15f/0x220 kernel/jump_label.c:177
static_key_enable+0x11/0x20 kernel/jump_label.c:190
toggle_allocation_gate mm/kfence/core.c:733 [inline]
toggle_allocation_gate+0xe3/0x310 mm/kfence/core.c:725
process_one_work+0x87f/0x1420 kernel/workqueue.c:2298
worker_thread+0x5a6/0xf90 kernel/workqueue.c:2445
kthread+0x3ab/0x480 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: 03 83 e2 07 42 0f add 0xf4207e2(%rbx),%eax
6: b6 04 mov $0x4,%dh
8: 08 38 or %bh,(%rax)
a: d0 7f 08 sarb 0x8(%rdi)
d: 84 c0 test %al,%al
f: 0f 85 8d 2b 00 00 jne 0x2ba2
15: 0f b6 43 21 movzbl 0x21(%rbx),%eax
19: 31 f0 xor %esi,%eax
1b: a8 60 test $0x60,%al
1d: 74 c2 je 0xffffffe1
1f: 41 83 c6 01 add $0x1,%r14d
23: 65 8b 05 1e 50 af 7e mov %gs:0x7eaf501e(%rip),%eax # 0x7eaf5048
* 2a: 85 c0 test %eax,%eax <-- trapping instruction
2c: 0f 85 ef 0a 00 00 jne 0xb21
32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
39: fc ff df
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 5c pop %rsp
3f: 24 .byte 0x24