INFO: task kworker/1:0:22 blocked for more than 143 seconds.
      Not tainted 6.1.0-rc5-syzkaller-00144-g84368d882b96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:26712 pid:22    ppid:2      flags:0x00004000
Workqueue: events rfkill_sync_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xae9/0x53f0 kernel/sched/core.c:6503
 schedule+0xde/0x1b0 kernel/sched/core.c:6579
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6638
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
 device_lock include/linux/device.h:835 [inline]
 nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
 nfc_rfkill_set_block+0x33/0xd0 net/nfc/core.c:179
 rfkill_set_block+0x1f9/0x540 net/rfkill/core.c:345
 rfkill_sync_work+0x8e/0xc0 net/rfkill/core.c:1042
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
INFO: task kworker/1:1:26 blocked for more than 143 seconds.
      Not tainted 6.1.0-rc5-syzkaller-00144-g84368d882b96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:24976 pid:26    ppid:2      flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xae9/0x53f0 kernel/sched/core.c:6503
 schedule+0xde/0x1b0 kernel/sched/core.c:6579
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6638
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
 rfkill_global_led_trigger_worker+0x1b/0x120 net/rfkill/core.c:181
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
INFO: task syz-executor.1:30916 blocked for more than 143 seconds.
      Not tainted 6.1.0-rc5-syzkaller-00144-g84368d882b96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:28152 pid:30916 ppid:3687   flags:0x20004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xae9/0x53f0 kernel/sched/core.c:6503
 schedule+0xde/0x1b0 kernel/sched/core.c:6579
 schedule_timeout+0x1df/0x2a0 kernel/time/timer.c:1911
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106
 __flush_work+0x595/0xaf0 kernel/workqueue.c:3073
 __cancel_work_timer+0x3f9/0x570 kernel/workqueue.c:3160
 rfkill_unregister+0x95/0x2c0 net/rfkill/core.c:1124
 nfc_unregister_device+0x96/0x330 net/nfc/core.c:1167
 virtual_ncidev_close+0x71/0x90 drivers/nfc/virtual_ncidev.c:166
 __fput+0x27c/0xa90 fs/file_table.c:320
 task_work_run+0x16f/0x270 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_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7fe8549
RSP: 002b:00000000f749fb10 EFLAGS: 00000286 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 00000000f734c000 RDI: 0000000000000000
RBP: 00000000f6e001f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffffffff8c58f0f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
 #0: ffffffff8c58edf0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
4 locks held by kworker/1:0/22:
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
 #1: ffffc900001c7da8 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
 #2: ffffffff8e2eae68 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_sync_work+0x1c/0xc0 net/rfkill/core.c:1040
 #3: ffff8880475d7100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
 #3: ffff8880475d7100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
3 locks held by kworker/1:1/26:
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
 #1: ffffc90000a1fda8 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
 #2: ffffffff8e2eae68 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x1b/0x120 net/rfkill/core.c:181
1 lock held by khungtaskd/28:
 #0: ffffffff8c58fc40 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
2 locks held by getty/3316:
 #0: ffff88801701e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
2 locks held by kworker/u4:22/5805:
1 lock held by syz-executor.1/30916:
 #0: ffff8880475d7100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
 #0: ffff8880475d7100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x62/0x330 net/nfc/core.c:1165
2 locks held by syz-executor.1/31013:
 #0: ffff88807696c118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:373 [inline]
 #0: ffff88807696c118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:431 [inline]
 #0: ffff88807696c118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_write+0x2ae/0x460 drivers/bluetooth/hci_vhci.c:511
 #1: ffffffff8e2eae68 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x3a/0xb00 net/rfkill/core.c:1057

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

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc5-syzkaller-00144-g84368d882b96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x333/0x3c0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
 watchdog+0xc75/0xfc0 kernel/hung_task.c:377
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4475 Comm: kworker/u4:10 Not tainted 6.1.0-rc5-syzkaller-00144-g84368d882b96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__lock_acquire+0xe45/0x56d0 kernel/locking/lockdep.c:4913
Code: 00 44 8b 3d 85 d1 f0 0c 45 85 ff 0f 84 58 bd 48 08 45 31 ff 48 b8 00 00 00 00 00 fc ff df 48 03 44 24 30 48 c7 00 00 00 00 00 <c7> 40 08 00 00 00 00 48 8b 84 24 08 01 00 00 65 48 2b 04 25 28 00
RSP: 0018:ffffc900156bfa28 EFLAGS: 00000082
RAX: fffff52002ad7f57 RBX: 00000000a1711f98 RCX: 7337a9f032b1c8d9
RDX: 1ffff1100ca06c41 RSI: 0000000000000001 RDI: 0000000065f80843
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff91110a47
R10: fffffbfff2222148 R11: 0000000000000000 R12: ffff888065036260
R13: ffff8880650357c0 R14: ffff888065036210 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f41ed01308 CR3: 0000000076f5b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire kernel/locking/lockdep.c:5668 [inline]
 lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633
 rcu_lock_acquire include/linux/rcupdate.h:304 [inline]
 rcu_read_lock include/linux/rcupdate.h:738 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
 batadv_nc_worker+0x131/0xfa0 net/batman-adv/network-coding.c:719
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>