INFO: task kworker/0:0:9 blocked for more than 143 seconds.
      Not tainted 6.16.0-syzkaller-06620-gae633388cae3-dirty #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:23376 pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
 <TASK>
 __schedule+0x1737/0x4d30
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e3/0x1340
 rfkill_global_led_trigger_worker+0x27/0xd0
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task syz.2.1052:8457 blocked for more than 143 seconds.
      Not tainted 6.16.0-syzkaller-06620-gae633388cae3-dirty #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.1052      state:D stack:26920 pid:8457  tgid:8457  ppid:5818   task_flags:0x400040 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x1737/0x4d30
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e3/0x1340
 rfkill_unregister+0xc8/0x220
 nfc_unregister_device+0x96/0x2a0
 virtual_ncidev_close+0x56/0x90
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xec/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa07958ebe9
RSP: 002b:00007fff7356b9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fa0797b7da0 RCX: 00007fa07958ebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fa0797b7da0 R08: 00000000000000b0 R09: 0000000b7356bcaf
R10: 00000000003ffd2c R11: 0000000000000246 R12: 000000000001893a
R13: 00007fff7356bab0 R14: ffffffffffffffff R15: 00007fff7356bad0
 </TASK>
INFO: task syz.0.1054:8465 blocked for more than 143 seconds.
      Not tainted 6.16.0-syzkaller-06620-gae633388cae3-dirty #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.1054      state:D stack:24344 pid:8465  tgid:8464  ppid:5827   task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x1737/0x4d30
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e3/0x1340
 nfc_rfkill_set_block+0x50/0x2e0
 rfkill_set_block+0x1d2/0x440
 rfkill_fop_write+0x44b/0x570
 vfs_write+0x27e/0xa90
 ksys_write+0x145/0x250
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3860b8ebe9
RSP: 002b:00007f38619a3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f3860db5fa0 RCX: 00007f3860b8ebe9
RDX: 0000000000000008 RSI: 0000200000000000 RDI: 0000000000000005
RBP: 00007f3860c11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3860db6038 R14: 00007f3860db5fa0 R15: 00007ffe309ec228
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/0:0/9:
 #0: ffff88801a480d48 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
 #1: ffffc900000c7bc0 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
 #2: ffffffff8f7e26c8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_global_led_trigger_worker+0x27/0xd0
1 lock held by khungtaskd/34:
 #0: ffffffff8e13c4e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5651:
 #0: ffff88810cedf0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900029062f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
2 locks held by syz.2.1052/8457:
 #0: ffff88802ca2c100 (&dev->mutex){....}-{4:4}, at: nfc_unregister_device+0x63/0x2a0
 #1: ffffffff8f7e26c8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_unregister+0xc8/0x220
2 locks held by syz.0.1054/8465:
 #0: ffffffff8f7e26c8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_fop_write+0x191/0x570
 #1: ffff88802ca2c100 (&dev->mutex){....}-{4:4}, at: nfc_rfkill_set_block+0x50/0x2e0
2 locks held by syz-executor/8827:
 #0: ffff888121eef918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device+0x34/0x6e0
 #1: ffffffff8f7e26c8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_register+0x37/0x8e0
2 locks held by syz-executor/8831:
 #0: ffff888121eed118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device+0x34/0x6e0
 #1: ffffffff8f7e26c8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_register+0x37/0x8e0
3 locks held by syz.1.1421/9355:
 #0: ffffffff8e9bfae8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
 #1: ffff888032e45100 (&dev->mutex){....}-{4:4}, at: nfc_register_device+0xa1/0x320
 #2: ffffffff8f7e26c8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_register+0x37/0x8e0
1 lock held by syz-executor/9361:
 #0: ffffffff8e9bfae8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/9366:
 #0: ffffffff8e9bfae8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/9367:
 #0: ffffffff8e9bfae8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/9369:
 #0: ffffffff8e9bfae8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/9379:
 #0: ffffffff8e9bfae8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/9381:
 #0: ffffffff8e9bfae8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330

=============================================

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 34 Comm: khungtaskd Not tainted 6.16.0-syzkaller-06620-gae633388cae3-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 nmi_cpu_backtrace+0x39e/0x3d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 watchdog+0xf93/0xfe0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.16.0-syzkaller-06620-gae633388cae3-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:pv_native_safe_halt+0x13/0x20
Code: 53 e8 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 13 6f 18 00 f3 0f 1e fa fb f4 <c3> cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000177de0 EFLAGS: 00000282
RAX: 380e36c2305ba000 RBX: ffffffff81969b18 RCX: 380e36c2305ba000
RDX: 0000000000000001 RSI: ffffffff8d9792aa RDI: ffffffff8be30a00
RBP: ffffc90000177f20 R08: ffff888136632f5b R09: 1ffff11026cc65eb
R10: dffffc0000000000 R11: ffffed1026cc65ec R12: ffffffff8fa07bf0
R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff110200d4000
FS:  0000000000000000(0000) GS:ffff8881a3c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a2335285c8 CR3: 00000000240a0000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 default_idle+0x13/0x20
 default_idle_call+0x74/0xb0
 do_idle+0x1e8/0x510
 cpu_startup_entry+0x44/0x60
 start_secondary+0x101/0x110
 common_startup_64+0x13e/0x147
 </TASK>
