INFO: task kworker/1:5:5087 blocked for more than 143 seconds.
Not tainted 6.3.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5 state:D stack:26888 pid:5087 ppid:2 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc01/0x56c0 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rfkill_global_led_trigger_worker+0x14/0xf0 net/rfkill/core.c:181
process_one_work+0x865/0x1400 kernel/workqueue.c:2390
worker_thread+0x59c/0xec0 kernel/workqueue.c:2537
kthread+0x298/0x340 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.0:7115 blocked for more than 143 seconds.
Not tainted 6.3.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27904 pid:7115 ppid:6573 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc01/0x56c0 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
nfc_unregister_device+0x6c/0x2d0 net/nfc/core.c:1167
virtual_ncidev_close+0x4e/0xb0 drivers/nfc/virtual_ncidev.c:163
__fput+0x1fa/0x9a0 fs/file_table.c:321
task_work_run+0x12f/0x220 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb98503df7b
RSP: 002b:00007ffd240875f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fb98503df7b
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fb9851ad980 R08: 0000000000000000 R09: 00007fb984c00160
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000001d1cc
R13: 00007ffd240876f0 R14: 00007fb9851abf80 R15: 0000000000000032
INFO: task syz-executor.2:7118 blocked for more than 143 seconds.
Not tainted 6.3.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28016 pid:7118 ppid:6010 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc01/0x56c0 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
nfc_unregister_device+0x6c/0x2d0 net/nfc/core.c:1167
virtual_ncidev_close+0x4e/0xb0 drivers/nfc/virtual_ncidev.c:163
__fput+0x1fa/0x9a0 fs/file_table.c:321
task_work_run+0x12f/0x220 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff25623df7b
RSP: 002b:00007fff1d527c30 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007ff25623df7b
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007ff2563ad980 R08: 0000000000000000 R09: 00007ff255e00160
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000001d1de
R13: 00007fff1d527d30 R14: 00007ff2563ac050 R15: 0000000000000032
INFO: task syz-executor.4:7122 blocked for more than 143 seconds.
Not tainted 6.3.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28056 pid:7122 ppid:6049 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc01/0x56c0 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
nfc_unregister_device+0x6c/0x2d0 net/nfc/core.c:1167
virtual_ncidev_close+0x4e/0xb0 drivers/nfc/virtual_ncidev.c:163
__fput+0x1fa/0x9a0 fs/file_table.c:321
task_work_run+0x12f/0x220 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6e3643df7b
RSP: 002b:00007ffd2c3bf200 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f6e3643df7b
RDX: 00007f6e36000298 RSI: ffffffffffffffff RDI: 0000000000000003
RBP: 00007f6e365ad980 R08: 0000000000000000 R09: 00007f6e36000000
R10: 00007f6e360002a0 R11: 0000000000000293 R12: 000000000001cf12
R13: 00007ffd2c3bf300 R14: 00007f6e365abf80 R15: 0000000000000032
INFO: task syz-executor.1:7124 blocked for more than 144 seconds.
Not tainted 6.3.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:28224 pid:7124 ppid:6580 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc01/0x56c0 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
nfc_unregister_device+0x6c/0x2d0 net/nfc/core.c:1167
virtual_ncidev_close+0x4e/0xb0 drivers/nfc/virtual_ncidev.c:163
__fput+0x1fa/0x9a0 fs/file_table.c:321
task_work_run+0x12f/0x220 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb0f2e3df7b
RSP: 002b:00007ffd83cbf050 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fb0f2e3df7b
RDX: 0000001b2ef20000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fb0f2fad980 R08: 0000000000000000 R09: 00007ffd83d79080
R10: 00007ffd83d79090 R11: 0000000000000293 R12: 000000000001d1f2
R13: 00007ffd83cbf150 R14: 00007ffd83cbf170 R15: 0000000000000032
INFO: task syz-executor.1:7129 blocked for more than 144 seconds.
Not tainted 6.3.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26856 pid:7129 ppid:6580 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc01/0x56c0 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
device_lock include/linux/device.h:832 [inline]
nfc_dev_down+0x23/0x270 net/nfc/core.c:143
nfc_rfkill_set_block+0x19/0xa0 net/nfc/core.c:179
rfkill_set_block+0x191/0x440 net/rfkill/core.c:345
rfkill_fop_write+0x237/0x480 net/rfkill/core.c:1286
vfs_write+0x209/0xd80 fs/read_write.c:582
ksys_write+0x16f/0x1c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb0f2e8c0c9
RSP: 002b:00007fb0f3cd2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb0f2fabf80 RCX: 00007fb0f2e8c0c9
RDX: 0000000000000008 RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00007fb0f2ee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd83cbefef R14: 00007fb0f3cd2300 R15: 0000000000022000
INFO: task syz-executor.5:7161 blocked for more than 144 seconds.
Not tainted 6.3.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:27656 pid:7161 ppid:6574 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc01/0x56c0 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
rfkill_register+0x2c/0xa00 net/rfkill/core.c:1057
nfc_register_device+0xec/0x340 net/nfc/core.c:1132
nci_register_device+0x7a3/0xb00 net/nfc/nci/core.c:1257
virtual_ncidev_open+0x137/0x200 drivers/nfc/virtual_ncidev.c:148
misc_open+0x2f9/0x410 drivers/char/misc.c:165
chrdev_open+0x213/0x650 fs/char_dev.c:414
do_dentry_open+0x452/0x1140 fs/open.c:920
do_open fs/namei.c:3560 [inline]
path_openat+0x12a5/0x2280 fs/namei.c:3715
do_filp_open+0x1a9/0x3e0 fs/namei.c:3742
do_sys_openat2+0x11e/0x3f0 fs/open.c:1348
do_sys_open fs/open.c:1364 [inline]
__do_sys_openat fs/open.c:1380 [inline]
__se_sys_openat fs/open.c:1375 [inline]
__x64_sys_openat+0x11f/0x1d0 fs/open.c:1375
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe52008c0c9
RSP: 002b:00007fe520e60168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe5201abf80 RCX: 00007fe52008c0c9
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fe5200e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffed548b85f R14: 00007fe520e60300 R15: 0000000000022000
INFO: task syz-executor.5:7172 blocked for more than 145 seconds.
Not tainted 6.3.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28464 pid:7172 ppid:6574 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc01/0x56c0 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
misc_open+0x5e/0x410 drivers/char/misc.c:129
chrdev_open+0x213/0x650 fs/char_dev.c:414
do_dentry_open+0x452/0x1140 fs/open.c:920
do_open fs/namei.c:3560 [inline]
path_openat+0x12a5/0x2280 fs/namei.c:3715
do_filp_open+0x1a9/0x3e0 fs/namei.c:3742
do_sys_openat2+0x11e/0x3f0 fs/open.c:1348
do_sys_open fs/open.c:1364 [inline]
__do_sys_openat fs/open.c:1380 [inline]
__se_sys_openat fs/open.c:1375 [inline]
__x64_sys_openat+0x11f/0x1d0 fs/open.c:1375
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe52008c0c9
RSP: 002b:00007fe520e3f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe5201ac050 RCX: 00007fe52008c0c9
RDX: 0000000000000801 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007fe5200e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffed548b85f R14: 00007fe520e3f300 R15: 0000000000022000
INFO: task syz-executor.3:7165 blocked for more than 145 seconds.
Not tainted 6.3.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28144 pid:7165 ppid:5495 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc01/0x56c0 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
misc_open+0x5e/0x410 drivers/char/misc.c:129
chrdev_open+0x213/0x650 fs/char_dev.c:414
do_dentry_open+0x452/0x1140 fs/open.c:920
do_open fs/namei.c:3560 [inline]
path_openat+0x12a5/0x2280 fs/namei.c:3715
do_filp_open+0x1a9/0x3e0 fs/namei.c:3742
do_sys_openat2+0x11e/0x3f0 fs/open.c:1348
do_sys_open fs/open.c:1364 [inline]
__do_sys_openat fs/open.c:1380 [inline]
__se_sys_openat fs/open.c:1375 [inline]
__x64_sys_openat+0x11f/0x1d0 fs/open.c:1375
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f37b2e8c0c9
RSP: 002b:00007f37b3c8c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f37b2fabf80 RCX: 00007f37b2e8c0c9
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f37b2ee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc06857edf R14: 00007f37b3c8c300 R15: 0000000000022000
INFO: task syz-executor.3:7173 blocked for more than 145 seconds.
Not tainted 6.3.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28496 pid:7173 ppid:5495 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5304 [inline]
__schedule+0xc01/0x56c0 kernel/sched/core.c:6622
schedule+0xde/0x1a0 kernel/sched/core.c:6698
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
misc_open+0x5e/0x410 drivers/char/misc.c:129
chrdev_open+0x213/0x650 fs/char_dev.c:414
do_dentry_open+0x452/0x1140 fs/open.c:920
do_open fs/namei.c:3560 [inline]
path_openat+0x12a5/0x2280 fs/namei.c:3715
do_filp_open+0x1a9/0x3e0 fs/namei.c:3742
do_sys_openat2+0x11e/0x3f0 fs/open.c:1348
do_sys_open fs/open.c:1364 [inline]
__do_sys_openat fs/open.c:1380 [inline]
__se_sys_openat fs/open.c:1375 [inline]
__x64_sys_openat+0x11f/0x1d0 fs/open.c:1375
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f37b2e8c0c9
RSP: 002b:00007f37b3c6b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f37b2fac050 RCX: 00007f37b2e8c0c9
RDX: 0000000000000801 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007f37b2ee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc06857edf R14: 00007f37b3c6b300 R15: 0000000000022000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8b78c270 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8b78bf70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/27:
#0: ffffffff8b78cdc0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6495
2 locks held by getty/4750:
#0: ffff888026489098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900020382f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xb73/0x1040 drivers/tty/n_tty.c:2177
3 locks held by kworker/1:5/5087:
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:639 [inline]
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]
#0: ffff888011470d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x1400 kernel/workqueue.c:2361
#1: ffffc90003d0fdb8 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x7b7/0x1400 kernel/workqueue.c:2365
#2: ffffffff8d40e648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x14/0xf0 net/rfkill/core.c:181
2 locks held by syz-executor.0/7115:
#0: ffff888069f61100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:832 [inline]
#0: ffff888069f61100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x40/0x2d0 net/nfc/core.c:1165
#1: ffffffff8d40e648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
2 locks held by syz-executor.2/7118:
#0: ffff88807ee5c100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:832 [inline]
#0: ffff88807ee5c100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x40/0x2d0 net/nfc/core.c:1165
#1: ffffffff8d40e648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
2 locks held by syz-executor.4/7122:
#0: ffff88806cc5a100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:832 [inline]
#0: ffff88806cc5a100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x40/0x2d0 net/nfc/core.c:1165
#1: ffffffff8d40e648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
2 locks held by syz-executor.1/7124:
#0: ffff88807e538100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:832 [inline]
#0: ffff88807e538100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x40/0x2d0 net/nfc/core.c:1165
#1: ffffffff8d40e648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xca/0x290 net/rfkill/core.c:1130
2 locks held by syz-executor.1/7129:
#0: ffffffff8d40e648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x11d/0x480 net/rfkill/core.c:1278
#1: ffff88807ee5c100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:832 [inline]
#1: ffff88807ee5c100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x23/0x270 net/nfc/core.c:143
3 locks held by syz-executor.5/7161:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
#1: ffff88807c915100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:832 [inline]
#1: ffff88807c915100 (&dev->mutex){....}-{3:3}, at: nfc_register_device+0x74/0x340 net/nfc/core.c:1128
#2: ffffffff8d40e648 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x2c/0xa00 net/rfkill/core.c:1057
1 lock held by syz-executor.5/7172:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.3/7165:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.3/7173:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.1/7273:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.4/7275:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.0/7276:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.2/7277:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.5/7280:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.3/7281:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.1/7287:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.0/7290:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.4/7293:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.5/7295:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.2/7296:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
1 lock held by syz-executor.3/7297:
#0: ffffffff8c20f268 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5e/0x410 drivers/char/misc.c:129
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.3.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x64/0xb0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x175/0x200 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x1bc/0x200 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0x9f9/0xcf0 kernel/hung_task.c:379
kthread+0x298/0x340 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:112