INFO: task kworker/1:4:16091 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4 state:D stack:24400 pid:16091 tgid:16091 ppid:2 flags:0x00004000
Workqueue: events rfkill_sync_work
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
rfkill_sync_work+0x1b/0x40 net/rfkill/core.c:1059
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
INFO: task kworker/1:5:16096 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5 state:D stack:25968 pid:16096 tgid:16096 ppid:2 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
rfkill_global_led_trigger_worker+0x1b/0x160 net/rfkill/core.c:182
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
INFO: task kworker/1:0:22132 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:24656 pid:22132 tgid:22132 ppid:2 flags:0x00004000
Workqueue: events rfkill_sync_work
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
device_lock include/linux/device.h:990 [inline]
nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
nfc_rfkill_set_block+0x39/0xd0 net/nfc/core.c:179
rfkill_set_block+0x200/0x550 net/rfkill/core.c:346
rfkill_sync+0x10a/0x1c0 net/rfkill/core.c:379
rfkill_sync_work+0x27/0x40 net/rfkill/core.c:1060
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
INFO: task syz-executor.1:24608 blocked for more than 144 seconds.
Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27216 pid:24608 tgid:24608 ppid:5089 flags:0x20004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1149
nfc_unregister_device+0x94/0x330 net/nfc/core.c:1167
virtual_ncidev_close+0x51/0xa0 drivers/nfc/virtual_ncidev.c:168
__fput+0x270/0xb70 fs/file_table.c:376
__fput_sync+0x47/0x50 fs/file_table.c:461
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close fs/open.c:1539 [inline]
__ia32_sys_close+0x87/0xf0 fs/open.c:1539
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x79/0x110 arch/x86/entry/common.c:321
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346
entry_SYSENTER_compat_after_hwframe+0x70/0x7a
RIP: 0023:0xf7f5e579
RSP: 002b:00000000f749fad0 EFLAGS: 00000293 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000058519400
RDX: 0000000000000000 RSI: 00000000f7354ff4 RDI: 0000000000000000
RBP: 00000000f7200000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.2:24609 blocked for more than 144 seconds.
Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:26880 pid:24609 tgid:24609 ppid:5100 flags:0x20004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_timeout+0x257/0x290 kernel/time/timer.c:2159
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3410
__cancel_work_timer+0x3ef/0x590 kernel/workqueue.c:3497
rfkill_unregister+0x95/0x2c0 net/rfkill/core.c:1143
nfc_unregister_device+0x94/0x330 net/nfc/core.c:1167
virtual_ncidev_close+0x51/0xa0 drivers/nfc/virtual_ncidev.c:168
__fput+0x270/0xb70 fs/file_table.c:376
__fput_sync+0x47/0x50 fs/file_table.c:461
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close fs/open.c:1539 [inline]
__ia32_sys_close+0x87/0xf0 fs/open.c:1539
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x79/0x110 arch/x86/entry/common.c:321
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346
entry_SYSENTER_compat_after_hwframe+0x70/0x7a
RIP: 0023:0xf7f19579
RSP: 002b:00000000f749fad0 EFLAGS: 00000293 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000056648400
RDX: 0000000000000000 RSI: 00000000f7354ff4 RDI: 0000000000137326
RBP: 00000000f737c0c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.3:24615 blocked for more than 144 seconds.
Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27216 pid:24615 tgid:24615 ppid:5095 flags:0x20004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_timeout+0x257/0x290 kernel/time/timer.c:2159
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
__flush_work+0x523/0xa10 kernel/workqueue.c:3410
__cancel_work_timer+0x3ef/0x590 kernel/workqueue.c:3497
rfkill_unregister+0x95/0x2c0 net/rfkill/core.c:1143
nfc_unregister_device+0x94/0x330 net/nfc/core.c:1167
virtual_ncidev_close+0x51/0xa0 drivers/nfc/virtual_ncidev.c:168
__fput+0x270/0xb70 fs/file_table.c:376
__fput_sync+0x47/0x50 fs/file_table.c:461
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close fs/open.c:1539 [inline]
__ia32_sys_close+0x87/0xf0 fs/open.c:1539
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x79/0x110 arch/x86/entry/common.c:321
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346
entry_SYSENTER_compat_after_hwframe+0x70/0x7a
RIP: 0023:0xf7f61579
RSP: 002b:00000000f749fad0 EFLAGS: 00000293 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000057908400
RDX: 0000000000000000 RSI: 00000000f7354ff4 RDI: 0000000000137544
RBP: 00000000f737c0c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.4:24631 blocked for more than 144 seconds.
Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:28448 pid:24631 tgid:24618 ppid:5099 flags:0x20000006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
misc_open+0x59/0x4c0 drivers/char/misc.c:129
chrdev_open+0x26d/0x6e0 fs/char_dev.c:414
do_dentry_open+0x8d6/0x18c0 fs/open.c:953
do_open fs/namei.c:3641 [inline]
path_openat+0x1df6/0x2990 fs/namei.c:3798
do_filp_open+0x1de/0x430 fs/namei.c:3825
do_sys_openat2+0x176/0x1e0 fs/open.c:1404
do_sys_open fs/open.c:1419 [inline]
__do_compat_sys_openat fs/open.c:1479 [inline]
__se_compat_sys_openat fs/open.c:1477 [inline]
__ia32_compat_sys_openat+0x16e/0x200 fs/open.c:1477
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x79/0x110 arch/x86/entry/common.c:321
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346
entry_SYSENTER_compat_after_hwframe+0x70/0x7a
RIP: 0023:0xf7fca579
RSP: 002b:00000000f7f835ac EFLAGS: 00000292 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020001440
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.5:24639 blocked for more than 145 seconds.
Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26688 pid:24639 tgid:24624 ppid:5087 flags:0x20004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
rfkill_register+0x3a/0xb30 net/rfkill/core.c:1075
nfc_register_device+0x11f/0x3c0 net/nfc/core.c:1132
nci_register_device+0x7f4/0xb80 net/nfc/nci/core.c:1262
virtual_ncidev_open+0x147/0x220 drivers/nfc/virtual_ncidev.c:153
misc_open+0x3da/0x4c0 drivers/char/misc.c:165
chrdev_open+0x26d/0x6e0 fs/char_dev.c:414
do_dentry_open+0x8d6/0x18c0 fs/open.c:953
do_open fs/namei.c:3641 [inline]
path_openat+0x1df6/0x2990 fs/namei.c:3798
do_filp_open+0x1de/0x430 fs/namei.c:3825
do_sys_openat2+0x176/0x1e0 fs/open.c:1404
do_sys_open fs/open.c:1419 [inline]
__do_compat_sys_openat fs/open.c:1479 [inline]
__se_compat_sys_openat fs/open.c:1477 [inline]
__ia32_compat_sys_openat+0x16e/0x200 fs/open.c:1477
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x79/0x110 arch/x86/entry/common.c:321
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346
entry_SYSENTER_compat_after_hwframe+0x70/0x7a
RIP: 0023:0xf7f4b579
RSP: 002b:00000000f7f045ac EFLAGS: 00000292 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020001440
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.0:24645 blocked for more than 145 seconds.
Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:28448 pid:24645 tgid:24632 ppid:5094 flags:0x20000006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0xf12/0x5c00 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x270 kernel/sched/core.c:6817
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x5b9/0x9d0 kernel/locking/mutex.c:752
misc_open+0x59/0x4c0 drivers/char/misc.c:129
chrdev_open+0x26d/0x6e0 fs/char_dev.c:414
do_dentry_open+0x8d6/0x18c0 fs/open.c:953
do_open fs/namei.c:3641 [inline]
path_openat+0x1df6/0x2990 fs/namei.c:3798
do_filp_open+0x1de/0x430 fs/namei.c:3825
do_sys_openat2+0x176/0x1e0 fs/open.c:1404
do_sys_open fs/open.c:1419 [inline]
__do_compat_sys_openat fs/open.c:1479 [inline]
__se_compat_sys_openat fs/open.c:1477 [inline]
__ia32_compat_sys_openat+0x16e/0x200 fs/open.c:1477
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x79/0x110 arch/x86/entry/common.c:321
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346
entry_SYSENTER_compat_after_hwframe+0x70/0x7a
RIP: 0023:0xf7fed579
RSP: 002b:00000000f7fa65ac EFLAGS: 00000292 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000020001440
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
2 locks held by getty/4815:
#0: ffff88802a17e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 drivers/tty/n_tty.c:2201
3 locks held by kworker/1:4/16091:
#0: ffff888013088d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000332fd80 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffffffff8f143cc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_sync_work+0x1b/0x40 net/rfkill/core.c:1059
3 locks held by kworker/1:5/16096:
#0: ffff888013088d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9000a23fd80 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffffffff8f143cc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x1b/0x160 net/rfkill/core.c:182
1 lock held by syz-executor.0/18027:
#0: ffffffff8f143cc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x4b/0x310 net/rfkill/core.c:1331
1 lock held by syz-executor.2/18103:
#0: ffffffff8f143cc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x4b/0x310 net/rfkill/core.c:1331
2 locks held by kworker/u4:19/18565:
4 locks held by kworker/1:0/22132:
#0: ffff888013088d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
#1: ffffc9001635fd80 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
#2: ffffffff8f143cc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_sync_work+0x1b/0x40 net/rfkill/core.c:1059
#3: ffff88804fbdc100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#3: ffff88804fbdc100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
2 locks held by syz-executor.1/24608:
#0: ffff88807cc11100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#0: ffff88807cc11100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x60/0x330 net/nfc/core.c:1165
#1: ffffffff8f143cc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1149
1 lock held by syz-executor.2/24609:
#0: ffff88804fbdc100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#0: ffff88804fbdc100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x60/0x330 net/nfc/core.c:1165
1 lock held by syz-executor.3/24615:
#0: ffff8880329c6100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#0: ffff8880329c6100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x60/0x330 net/nfc/core.c:1165
1 lock held by syz-executor.4/24631:
#0: ffffffff8ddbbe88 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
3 locks held by syz-executor.5/24639:
#0: ffffffff8ddbbe88 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
#1: ffff8880329c1100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#1: ffff8880329c1100 (&dev->mutex){....}-{3:3}, at: nfc_register_device+0x9a/0x3c0 net/nfc/core.c:1128
#2: ffffffff8f143cc8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x3a/0xb30 net/rfkill/core.c:1075
1 lock held by syz-executor.0/24645:
#0: ffffffff8ddbbe88 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.2/24655:
#0: ffffffff8ddbbe88 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.1/24656:
#0: ffffffff8ddbbe88 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.4/24657:
#0: ffffffff8ddbbe88 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.3/24658:
#0: ffffffff8ddbbe88 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.5/24659:
#0: ffffffff8ddbbe88 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
1 lock held by syz-executor.0/24660:
#0: ffffffff8ddbbe88 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x59/0x4c0 drivers/char/misc.c:129
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xf87/0x1210 kernel/hung_task.c:379
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18555 Comm: kworker/u4:16 Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:switch_mm_irqs_off+0x1d7/0xb60 arch/x86/mm/tlb.c:628
Code: 0f 83 0a 07 00 00 41 83 fc 07 0f 87 e5 06 00 00 4c 89 e8 be 08 00 00 00 48 c1 f8 06 48 8d 3c c3 e8 2e 5e a4 00 f0 4c 0f b3 2b <49> 81 fe c0 69 32 8d 74 2b 49 8d 9e c0 08 00 00 41 83 fc 07 0f 87
RSP: 0018:ffffc900051cf940 EFLAGS: 00000047
RAX: 0000000000000001 RBX: ffff8880130788c0 RCX: ffffffff813b9ca2
RDX: ffffed100260f119 RSI: 0000000000000008 RDI: ffff8880130788c0
RBP: ffff888013078000 R08: 0000000000000001 R09: ffffed100260f118
R10: ffff8880130788c7 R11: 0000000000000006 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8d3269c0 R15: ffff888019f522e8
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c001742000 CR3: 0000000013074000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
unuse_temporary_mm arch/x86/kernel/alternative.c:1833 [inline]
__text_poke+0x542/0xca0 arch/x86/kernel/alternative.c:1943
text_poke_bp_batch+0x3e0/0x750 arch/x86/kernel/alternative.c:2319
text_poke_flush arch/x86/kernel/alternative.c:2488 [inline]
text_poke_flush arch/x86/kernel/alternative.c:2485 [inline]
text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2495
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
jump_label_update+0x1d7/0x400 kernel/jump_label.c:829
static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:205
static_key_enable+0x1a/0x20 kernel/jump_label.c:218
toggle_allocation_gate mm/kfence/core.c:826 [inline]
toggle_allocation_gate+0xf4/0x250 mm/kfence/core.c:818
process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
process_scheduled_works kernel/workqueue.c:2706 [inline]
worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
kthread+0x2c6/0x3a0 kernel/kthread.c:388
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242