INFO: task kworker/0:1:10 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1     state:D stack:22888 pid:10    tgid:10    ppid:2      task_flags:0x4208060 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7e6/0x1350
 rfkill_global_led_trigger_worker+0x27/0xd0
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x439/0x7d0
 ret_from_fork_asm+0x1a/0x30
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/0:1/10:
 #0: ffff88801a480d48 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
 #1: ffffc900000d7bc0 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
 #2: ffffffff8f813fa8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_global_led_trigger_worker+0x27/0xd0
1 lock held by khungtaskd/34:
 #0: ffffffff8e13a0e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5675:
 #0: ffff88810cdad0a0 (&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
1 lock held by syz-executor/5846:
 #0: ffffffff8f813fa8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_unregister+0xc8/0x220
2 locks held by syz.0.298/7686:
 #0: ffff8881199e4100 (&dev->mutex){....}-{4:4}, at: nfc_unregister_device+0x63/0x2a0
 #1: ffffffff8f813fa8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_unregister+0xc8/0x220
2 locks held by syz.1.299/7706:
 #0: ffffffff8f813fa8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_fop_write+0x191/0x570
 #1: ffff8881199e4100 (&dev->mutex){....}-{4:4}, at: nfc_rfkill_set_block+0x50/0x2e0
2 locks held by syz.2.341/8086:
 #0: ffffffff8e9c2708 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
 #1: ffffffff8f813fa8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_fop_open+0x12d/0x820
1 lock held by syz-executor/8092:
 #0: ffffffff8e9c2708 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/8093:
 #0: ffffffff8e9c2708 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/8096:
 #0: ffffffff8e9c2708 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/8099:
 #0: ffffffff8e9c2708 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/8100:
 #0: ffffffff8e9c2708 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/8102:
 #0: ffffffff8e9c2708 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/8109:
 #0: ffffffff8e9c2708 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330
1 lock held by syz-executor/8110:
 #0: ffffffff8e9c2708 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x51/0x330

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 34 Comm: khungtaskd Not tainted syzkaller #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+0x439/0x7d0
 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 syzkaller #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 b3 d9 0d 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: 2e30d55b6c5caa00 RBX: ffffffff819683f8 RCX: 2e30d55b6c5caa00
RDX: 0000000000000001 RSI: ffffffff8d9ba373 RDI: ffffffff8be33f80
RBP: ffffc90000177f20 R08: ffff888136632f9b R09: 1ffff11026cc65f3
R10: dffffc0000000000 R11: ffffed1026cc65f4 R12: ffffffff8fa3a830
R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff110200d0000
FS:  0000000000000000(0000) GS:ffff8881a3c12000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff728d9ff8 CR3: 0000000029c0e000 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>
