INFO: task kworker/0:4:2934 blocked for more than 143 seconds.
Not tainted 5.15.0-rc5-next-20211018-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4 state:D stack:25520 pid: 2934 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_timeout+0x1db/0x2a0 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+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:751
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:969
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc17/0x1ee0 drivers/base/core.c:3394
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:751
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:969
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc17/0x1ee0 drivers/base/core.c:3394
usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2563
hub_port_connect drivers/usb/core/hub.c:5348 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
port_event drivers/usb/core/hub.c:5634 [inline]
hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5716
process_one_work+0x9b2/0x1690 kernel/workqueue.c:2297
worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/1:3:6898 blocked for more than 143 seconds.
Not tainted 5.15.0-rc5-next-20211018-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:25968 pid: 6898 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_timeout+0x1db/0x2a0 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+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:751
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:969
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc17/0x1ee0 drivers/base/core.c:3394
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:751
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:969
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc17/0x1ee0 drivers/base/core.c:3394
usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2563
hub_port_connect drivers/usb/core/hub.c:5348 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
port_event drivers/usb/core/hub.c:5634 [inline]
hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5716
process_one_work+0x9b2/0x1690 kernel/workqueue.c:2297
worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/1:5:6900 blocked for more than 144 seconds.
Not tainted 5.15.0-rc5-next-20211018-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5 state:D stack:26024 pid: 6900 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_timeout+0x1db/0x2a0 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+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:751
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:969
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc17/0x1ee0 drivers/base/core.c:3394
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:751
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:969
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc17/0x1ee0 drivers/base/core.c:3394
usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2563
hub_port_connect drivers/usb/core/hub.c:5348 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
port_event drivers/usb/core/hub.c:5634 [inline]
hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5716
process_one_work+0x9b2/0x1690 kernel/workqueue.c:2297
worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/0:5:8996 blocked for more than 144 seconds.
Not tainted 5.15.0-rc5-next-20211018-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D stack:26024 pid: 8996 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_timeout+0x1db/0x2a0 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+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:751
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:969
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc17/0x1ee0 drivers/base/core.c:3394
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:751
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:969
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc17/0x1ee0 drivers/base/core.c:3394
usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2563
hub_port_connect drivers/usb/core/hub.c:5348 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
port_event drivers/usb/core/hub.c:5634 [inline]
hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5716
process_one_work+0x9b2/0x1690 kernel/workqueue.c:2297
worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task syz-executor.3:9098 can't die for more than 145 seconds.
task:syz-executor.3 state:D stack:27504 pid: 9098 ppid: 7066 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007fa4ca981040 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.3:9098 blocked for more than 145 seconds.
Not tainted 5.15.0-rc5-next-20211018-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27504 pid: 9098 ppid: 7066 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007fa4ca981040 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.3:9204 can't die for more than 145 seconds.
task:syz-executor.3 state:D stack:28472 pid: 9204 ppid: 7066 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007fa4ca960040 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.3:9204 blocked for more than 146 seconds.
Not tainted 5.15.0-rc5-next-20211018-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28472 pid: 9204 ppid: 7066 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007fa4ca960040 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.5:9110 can't die for more than 146 seconds.
task:syz-executor.5 state:D stack:27504 pid: 9110 ppid: 7068 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007f2f88794188 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: 00007ffd2244d6bf R14: 00007f2f88794300 R15: 0000000000022000
INFO: task syz-executor.5:9110 blocked for more than 146 seconds.
Not tainted 5.15.0-rc5-next-20211018-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:27504 pid: 9110 ppid: 7068 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007f2f88794188 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: 00007ffd2244d6bf R14: 00007f2f88794300 R15: 0000000000022000
INFO: task syz-executor.5:9205 can't die for more than 147 seconds.
task:syz-executor.5 state:D stack:28472 pid: 9205 ppid: 7068 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007f2f88771040 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.5:9205 blocked for more than 147 seconds.
Not tainted 5.15.0-rc5-next-20211018-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28472 pid: 9205 ppid: 7068 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007f2f88771040 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.5:9206 can't die for more than 147 seconds.
task:syz-executor.5 state:D stack:28472 pid: 9206 ppid: 7068 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007f2f88750040 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.5:9206 blocked for more than 148 seconds.
Not tainted 5.15.0-rc5-next-20211018-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28472 pid: 9206 ppid: 7068 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007f2f88750040 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.2:9150 can't die for more than 148 seconds.
task:syz-executor.2 state:D stack:27504 pid: 9150 ppid: 7062 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007fd0d4732040 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.2:9150 blocked for more than 148 seconds.
Not tainted 5.15.0-rc5-next-20211018-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27504 pid: 9150 ppid: 7062 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007fd0d4732040 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.1:9168 can't die for more than 149 seconds.
task:syz-executor.1 state:D stack:27504 pid: 9168 ppid: 7070 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007f43ea1d1040 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.4:9167 can't die for more than 149 seconds.
task:syz-executor.4 state:D stack:27504 pid: 9167 ppid: 7064 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007fe4c2ac8040 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.0:9174 can't die for more than 149 seconds.
task:syz-executor.0 state:D stack:27504 pid: 9174 ppid: 7069 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0x940/0x26f0 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
misc_open+0x55/0x4a0 drivers/char/misc.c:107
chrdev_open+0x266/0x770 fs/char_dev.c:414
do_dentry_open+0x4c8/0x11d0 fs/open.c:822
do_open fs/namei.c:3428 [inline]
path_openat+0x1c9a/0x2740 fs/namei.c:3561
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_openat fs/open.c:1232 [inline]
__se_sys_openat fs/open.c:1227 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1227
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:00007efca25eb040 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:
1 lock held by khungtaskd/27:
#0: ffffffff8bb81ae0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
5 locks held by kworker/0:4/2934:
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2268
#1: ffffc9000ad57db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2272
#2: ffff88801cd27220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff88801cd27220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5662
#3: ffff888018bde220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff888018bde220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944
#4: ffff8880188241a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#4: ffff8880188241a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944
1 lock held by in:imklog/6245:
5 locks held by kworker/1:3/6898:
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2268
#1: ffffc90004127db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2272
#2: ffff88814773f220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff88814773f220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5662
#3: ffff88823bd36220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff88823bd36220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944
#4: ffff88806ce1f1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#4: ffff88806ce1f1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944
5 locks held by kworker/1:5/6900:
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2268
#1: ffffc900046f7db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2272
#2: ffff888147767220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff888147767220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5662
#3: ffff88805efed220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff88805efed220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944
#4: ffff888018cfb1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#4: ffff888018cfb1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944
5 locks held by kworker/0:5/8996:
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline]
#0: ffff888144791138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2268
#1: ffffc9000cd17db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2272
#2: ffff88801cc13220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff88801cc13220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5662
#3: ffff8880779fa220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff8880779fa220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944
#4: ffff88801b7021a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#4: ffff88801b7021a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 drivers/base/dd.c:944
2 locks held by syz-executor.3/9094:
#0: ffffffff8c5d8208 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
#1: ffffffff8ba51468 (system_transition_mutex){+.+.}-{3:3}, at: snapshot_open+0x3b/0x2a0 kernel/power/user.c:54
1 lock held by syz-executor.3/9098:
#0: ffffffff8c5d8208 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor.3/9204:
#0: ffffffff8c5d8208 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor.5/9110:
#0: ffffffff8c5d8208 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor.5/9205:
#0: ffffffff8c5d8208 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor.5/9206:
#0: ffffffff8c5d8208 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor.2/9150:
#0: ffffffff8c5d8208 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor.1/9168:
#0: ffffffff8c5d8208 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor.4/9167:
#0: ffffffff8c5d8208 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor.0/9174:
#0: ffffffff8c5d8208 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 drivers/char/misc.c:107
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc5-next-20211018-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+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:254 [inline]
watchdog+0xcb7/0xed0 kernel/hung_task.c:339
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 790 Comm: kworker/u4:4 Not tainted 5.15.0-rc5-next-20211018-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:insn_get_prefixes.part.0+0x601/0x1200 arch/x86/lib/insn.c:180
Code: 89 ea 48 c1 ea 03 0f b6 04 02 48 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 8b 0b 00 00 48 8b 04 24 48 8b 54 24 18 44 0f b6 70 53 <48> b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 7c 0a
RSP: 0018:ffffc90003e77928 EFLAGS: 00000246
RAX: ffffc90003e77a80 RBX: 00000000ffffffff RCX: 0000000000000000
RDX: ffffc90003e77ae8 RSI: ffffffff840d3094 RDI: 0000000000000003
RBP: ffffc90003e77ad3 R08: 000000000000000a R09: 000000000000000b
R10: ffffffff840d2d79 R11: 000000000000001f R12: 0000000000000000
R13: 000000000000000f R14: 0000000000000001 R15: 000000000000001f
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdbf5e50020 CR3: 000000000b88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
insn_get_prefixes arch/x86/lib/insn.c:131 [inline]
insn_get_opcode arch/x86/lib/insn.c:272 [inline]
insn_get_modrm+0x646/0x7c0 arch/x86/lib/insn.c:343
insn_get_sib+0x29c/0x330 arch/x86/lib/insn.c:421
insn_get_displacement+0x346/0x6c0 arch/x86/lib/insn.c:464
insn_get_immediate arch/x86/lib/insn.c:632 [inline]
insn_get_length arch/x86/lib/insn.c:707 [inline]
insn_decode+0x473/0x4e0 arch/x86/lib/insn.c:747
text_poke_loc_init+0xa3/0x340 arch/x86/kernel/alternative.c:1204
arch_jump_label_transform_queue+0x94/0x100 arch/x86/kernel/jump_label.c:138
__jump_label_update+0x12e/0x400 kernel/jump_label.c:451
jump_label_update+0x1d5/0x430 kernel/jump_label.c:830
static_key_disable_cpuslocked+0x152/0x1b0 kernel/jump_label.c:207
static_key_disable+0x16/0x20 kernel/jump_label.c:215
toggle_allocation_gate mm/kfence/core.c:745 [inline]
toggle_allocation_gate+0x183/0x390 mm/kfence/core.c:723
process_one_work+0x9b2/0x1690 kernel/workqueue.c:2297
worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: 89 ea mov %ebp,%edx
2: 48 c1 ea 03 shr $0x3,%rdx
6: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax
a: 48 89 ea mov %rbp,%rdx
d: 83 e2 07 and $0x7,%edx
10: 38 d0 cmp %dl,%al
12: 7f 08 jg 0x1c
14: 84 c0 test %al,%al
16: 0f 85 8b 0b 00 00 jne 0xba7
1c: 48 8b 04 24 mov (%rsp),%rax
20: 48 8b 54 24 18 mov 0x18(%rsp),%rdx
25: 44 0f b6 70 53 movzbl 0x53(%rax),%r14d
* 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction
31: fc ff df
34: 48 c1 ea 03 shr $0x3,%rdx
38: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
3c: 0f .byte 0xf
3d: 85 .byte 0x85
3e: 7c 0a jl 0x4a