INFO: task kworker/1:2:135 blocked for more than 143 seconds.
Not tainted 5.16.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2 state:D stack:25728 pid: 135 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26c0 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/0x1450 kernel/workqueue.c:2298
worker_thread+0x598/0x1040 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.4:7075 blocked for more than 143 seconds.
Not tainted 5.16.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:23464 pid: 7075 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26c0 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/0x2250 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:00007fff6c4a1c80 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fff6c4a23a8 RCX: 00000000004196d4
RDX: 0000000000000002 RSI: 00000000004befb0 RDI: 00000000ffffff9c
RBP: 00000000004befb0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000400538
INFO: task syz-executor.5:7079 blocked for more than 144 seconds.
Not tainted 5.16.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:24256 pid: 7079 ppid: 1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26c0 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/0x2250 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:00007ffe0aae1190 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ffe0aae18b8 RCX: 00000000004196d4
RDX: 0000000000000002 RSI: 00000000004befb0 RDI: 00000000ffffff9c
RBP: 00000000004befb0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000400538
INFO: task syz-executor.0:7080 blocked for more than 144 seconds.
Not tainted 5.16.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24224 pid: 7080 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26c0 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/0x2250 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:00007ffe1e90d9e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ffe1e90e108 RCX: 00000000004196d4
RDX: 0000000000000002 RSI: 00000000004befb0 RDI: 00000000ffffff9c
RBP: 00000000004befb0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000400538
INFO: task kworker/0:7:9022 blocked for more than 144 seconds.
Not tainted 5.16.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:7 state:D stack:26152 pid: 9022 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26c0 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/0x1450 kernel/workqueue.c:2298
worker_thread+0x598/0x1040 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.3:9150 blocked for more than 145 seconds.
Not tainted 5.16.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28536 pid: 9150 ppid: 7072 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26c0 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/0x2250 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:00007f8b479b9040 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: 0000000020000140 R15: 0000000000022000
INFO: task syz-executor.3:9151 blocked for more than 145 seconds.
Not tainted 5.16.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27976 pid: 9151 ppid: 7072 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26c0 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/0x2250 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:00007f8b47998040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000056c1a8 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.2:9123 blocked for more than 145 seconds.
Not tainted 5.16.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27608 pid: 9123 ppid: 7076 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26c0 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/0x2250 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:00007ff47c458040 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.1:9129 blocked for more than 146 seconds.
Not tainted 5.16.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27608 pid: 9129 ppid: 7081 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0x90d/0x26c0 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/0x2250 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:00007f9752e9c040 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:
3 locks held by kworker/u4:1/10:
#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+0x236/0x26c0 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: ffff8880b9f28298 (&base->lock){..-.}-{2:2}, at: lock_timer_base+0x49/0x1a0 kernel/time/timer.c:946
1 lock held by khungtaskd/27:
#0: ffffffff8ab78880 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
5 locks held by kworker/1:2/135:
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1450 kernel/workqueue.c:2269
#1: ffffc9000240fdb8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1450 kernel/workqueue.c:2273
#2: ffff88801bfe4220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff88801bfe4220 (&dev->mutex){....}-{3:3}, at: hub_event+0x127/0x3830 drivers/usb/core/hub.c:5671
#3: ffff8880777c1220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff8880777c1220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
#4: ffff88805e90a1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#4: ffff88805e90a1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
2 locks held by kworker/u4:3/266:
1 lock held by in:imklog/6266:
#0: ffff88807e0a6870 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x9c/0xb0 fs/file.c:994
1 lock held by syz-executor.4/7075:
#0: ffffffff8b59f7e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
1 lock held by syz-executor.5/7079:
#0: ffffffff8b59f7e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
1 lock held by syz-executor.0/7080:
#0: ffffffff8b59f7e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
5 locks held by kworker/0:7/9022:
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
#0: ffff888141ddf938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1450 kernel/workqueue.c:2269
#1: ffffc9000c597db8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1450 kernel/workqueue.c:2273
#2: ffff888147db4220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#2: ffff888147db4220 (&dev->mutex){....}-{3:3}, at: hub_event+0x127/0x3830 drivers/usb/core/hub.c:5671
#3: ffff888079384220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff888079384220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
#4: ffff88807da651a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#4: ffff88807da651a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x74/0x410 drivers/base/dd.c:944
2 locks held by syz-executor.3/9074:
#0: ffffffff8b59f7e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
#1: ffffffff8aa48be8 (system_transition_mutex){+.+.}-{3:3}, at: snapshot_open+0x1c/0x210 kernel/power/user.c:54
1 lock held by syz-executor.3/9150:
#0: ffffffff8b59f7e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
1 lock held by syz-executor.3/9151:
#0: ffffffff8b59f7e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
1 lock held by syz-executor.2/9123:
#0: ffffffff8b59f7e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x50/0x410 drivers/char/misc.c:107
1 lock held by syz-executor.1/9129:
#0: ffffffff8b59f7e8 (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-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c: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: 10 Comm: kworker/u4:1 Not tainted 5.16.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:check_preemption_disabled+0x2c/0xe0 lib/smp_processor_id.c:19
Code: 55 53 48 83 ec 08 65 44 8b 25 08 fe 89 77 65 8b 05 79 58 8a 77 a9 ff ff ff 7f 74 0c 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 9c 58 c4 02 74 ed 65 48 8b 04 25 40 70 02 00 f6 40 2f 04 48 89 fd 75
RSP: 0018:ffffc90000cf7b98 EFLAGS: 00000046
RAX: 0000000000000046 RBX: 1c4a2f75a63e7102 RCX: ffffc90000cf7c10
RDX: 1ffff11001fc84da RSI: ffffffff88cb5700 RDI: ffffffff89216360
RBP: 1ffff9200019ef7a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000003 R14: ffff88800fe426d8 R15: ffff88800fe41cc0
FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff51a7e8000 CR3: 0000000018644000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lockdep_recursion_finish kernel/locking/lockdep.c:438 [inline]
lock_release+0x3bb/0x720 kernel/locking/lockdep.c:5659
rcu_lock_release include/linux/rcupdate.h:273 [inline]
rcu_read_unlock include/linux/rcupdate.h:721 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:416 [inline]
batadv_nc_worker+0x668/0xd70 net/batman-adv/network-coding.c:723
process_one_work+0x87f/0x1450 kernel/workqueue.c:2298
worker_thread+0x598/0x1040 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: 55 push %rbp
1: 53 push %rbx
2: 48 83 ec 08 sub $0x8,%rsp
6: 65 44 8b 25 08 fe 89 mov %gs:0x7789fe08(%rip),%r12d # 0x7789fe16
d: 77
e: 65 8b 05 79 58 8a 77 mov %gs:0x778a5879(%rip),%eax # 0x778a588e
15: a9 ff ff ff 7f test $0x7fffffff,%eax
1a: 74 0c je 0x28
1c: 48 83 c4 08 add $0x8,%rsp
20: 44 89 e0 mov %r12d,%eax
23: 5b pop %rbx
24: 5d pop %rbp
25: 41 5c pop %r12
27: c3 retq
28: 9c pushfq
29: 58 pop %rax
* 2a: f6 c4 02 test $0x2,%ah <-- trapping instruction
2d: 74 ed je 0x1c
2f: 65 48 8b 04 25 40 70 mov %gs:0x27040,%rax
36: 02 00
38: f6 40 2f 04 testb $0x4,0x2f(%rax)
3c: 48 89 fd mov %rdi,%rbp
3f: 75 .byte 0x75