INFO: task kworker/1:1:10275 blocked for more than 430 seconds.
      Not tainted 6.4.0-rc1-syzkaller-00012-gb104dbedbe61 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:0     pid:10275 ppid:2      flags:0x00000000
Workqueue: events rfkill_sync_work
Call Trace:
[<ffffffff83525b7e>] context_switch kernel/sched/core.c:5343 [inline]
[<ffffffff83525b7e>] __schedule+0x682/0x16aa kernel/sched/core.c:6669
[<ffffffff83526c20>] schedule+0x7a/0x100 kernel/sched/core.c:6745
[<ffffffff835272cc>] schedule_preempt_disabled+0x16/0x28 kernel/sched/core.c:6804
[<ffffffff83529888>] __mutex_lock_common kernel/locking/mutex.c:679 [inline]
[<ffffffff83529888>] __mutex_lock+0x724/0xb5c kernel/locking/mutex.c:747
[<ffffffff83529cd4>] mutex_lock_nested+0x14/0x1c kernel/locking/mutex.c:799
[<ffffffff833c2680>] device_lock include/linux/device.h:837 [inline]
[<ffffffff833c2680>] nfc_dev_down+0x38/0x1aa net/nfc/core.c:143
[<ffffffff833c2838>] nfc_rfkill_set_block+0x46/0xc6 net/nfc/core.c:179
[<ffffffff8333dc38>] rfkill_set_block+0x15c/0x37a net/rfkill/core.c:345
[<ffffffff8333e604>] rfkill_sync_work+0x66/0x7e net/rfkill/core.c:1042
[<ffffffff800aacd0>] process_one_work+0x634/0xdb2 kernel/workqueue.c:2405
[<ffffffff800ab7b0>] worker_thread+0x362/0x880 kernel/workqueue.c:2552
[<ffffffff800bfec8>] kthread+0x1be/0x22e kernel/kthread.c:379
[<ffffffff80006362>] ret_from_fork+0xa/0x1c arch/riscv/kernel/entry.S:264
INFO: task kworker/1:4:11940 blocked for more than 430 seconds.
      Not tainted 6.4.0-rc1-syzkaller-00012-gb104dbedbe61 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:0     pid:11940 ppid:2      flags:0x00000000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
[<ffffffff83525b7e>] context_switch kernel/sched/core.c:5343 [inline]
[<ffffffff83525b7e>] __schedule+0x682/0x16aa kernel/sched/core.c:6669
[<ffffffff83526c20>] schedule+0x7a/0x100 kernel/sched/core.c:6745
[<ffffffff835272cc>] schedule_preempt_disabled+0x16/0x28 kernel/sched/core.c:6804
[<ffffffff83529888>] __mutex_lock_common kernel/locking/mutex.c:679 [inline]
[<ffffffff83529888>] __mutex_lock+0x724/0xb5c kernel/locking/mutex.c:747
[<ffffffff83529cd4>] mutex_lock_nested+0x14/0x1c kernel/locking/mutex.c:799
[<ffffffff8333b902>] rfkill_global_led_trigger_worker+0x2a/0x10c net/rfkill/core.c:181
[<ffffffff800aacd0>] process_one_work+0x634/0xdb2 kernel/workqueue.c:2405
[<ffffffff800ab7b0>] worker_thread+0x362/0x880 kernel/workqueue.c:2552
[<ffffffff800bfec8>] kthread+0x1be/0x22e kernel/kthread.c:379
[<ffffffff80006362>] ret_from_fork+0xa/0x1c arch/riscv/kernel/entry.S:264
INFO: task syz-executor.0:18196 blocked for more than 430 seconds.
      Not tainted 6.4.0-rc1-syzkaller-00012-gb104dbedbe61 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:18196 ppid:2898   flags:0x00000004
Call Trace:
[<ffffffff83525b7e>] context_switch kernel/sched/core.c:5343 [inline]
[<ffffffff83525b7e>] __schedule+0x682/0x16aa kernel/sched/core.c:6669
[<ffffffff83526c20>] schedule+0x7a/0x100 kernel/sched/core.c:6745
[<ffffffff83530052>] schedule_timeout+0x1ae/0x20a kernel/time/timer.c:2143
[<ffffffff83527cfa>] do_wait_for_common kernel/sched/completion.c:85 [inline]
[<ffffffff83527cfa>] __wait_for_common+0x186/0x308 kernel/sched/completion.c:106
[<ffffffff83527e96>] wait_for_common kernel/sched/completion.c:117 [inline]
[<ffffffff83527e96>] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:138
[<ffffffff800ad304>] __flush_work+0x440/0x916 kernel/workqueue.c:3189
[<ffffffff800ae93a>] __cancel_work_timer+0x332/0x402 kernel/workqueue.c:3276
[<ffffffff800aea26>] cancel_work_sync+0x1c/0x26 kernel/workqueue.c:3312
[<ffffffff8333d3ee>] rfkill_unregister+0x7c/0x19e net/rfkill/core.c:1124
[<ffffffff833c159c>] nfc_unregister_device+0x90/0x234 net/nfc/core.c:1167
[<ffffffff833da3ae>] nci_unregister_device+0x168/0x182 net/nfc/nci/core.c:1303
[<ffffffff8169bf74>] virtual_ncidev_close+0x38/0x6e drivers/nfc/virtual_ncidev.c:163
[<ffffffff8059f7ca>] __fput+0x168/0x53e fs/file_table.c:321
[<ffffffff8059fc14>] ____fput+0x1a/0x24 fs/file_table.c:349
[<ffffffff800b8b6a>] task_work_run+0x166/0x208 kernel/task_work.c:179
[<ffffffff801940cc>] resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
[<ffffffff801940cc>] exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
[<ffffffff801940cc>] exit_to_user_mode_prepare+0x246/0x25a kernel/entry/common.c:204
[<ffffffff8351f664>] __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
[<ffffffff8351f664>] syscall_exit_to_user_mode+0x2e/0x66 kernel/entry/common.c:297
[<ffffffff8351e956>] do_trap_ecall_u+0x7e/0xec arch/riscv/kernel/traps.c:283
[<ffffffff8000621c>] ret_from_exception+0x0/0x64 arch/riscv/kernel/entry.S:102

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
 #0: ffffffff8517d090 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x34/0x712 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
 #0: ffffffff8517cdf0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x34/0x712 kernel/rcu/tasks.h:518
1 lock held by khungtaskd/28:
 #0: ffffffff8517d360 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x40/0x1f6 kernel/locking/lockdep.c:6547
1 lock held by syslogd/2681:
2 locks held by getty/2834:
 #0: ff6000001470c098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340
 #1: ff2000000027b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xb9c/0xd0c drivers/tty/n_tty.c:2176
4 locks held by kworker/1:1/10275:
 #0: ff60000008420d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:642 [inline]
 #0: ff60000008420d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
 #0: ff60000008420d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x50e/0xdb2 kernel/workqueue.c:2376
 #1: ff20000006797cf0 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:642 [inline]
 #1: ff20000006797cf0 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
 #1: ff20000006797cf0 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_one_work+0x50e/0xdb2 kernel/workqueue.c:2376
 #2: ffffffff85e1a6e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_sync_work+0x2c/0x7e net/rfkill/core.c:1040
 #3: ff60000013159100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #3: ff60000013159100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x38/0x1aa net/nfc/core.c:143
3 locks held by kworker/1:4/11940:
 #0: ff60000008420d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:642 [inline]
 #0: ff60000008420d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
 #0: ff60000008420d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x50e/0xdb2 kernel/workqueue.c:2376
 #1: ff200000033b7cf0 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:642 [inline]
 #1: ff200000033b7cf0 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
 #1: ff200000033b7cf0 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x50e/0xdb2 kernel/workqueue.c:2376
 #2: ffffffff85e1a6e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x2a/0x10c net/rfkill/core.c:181
1 lock held by syz-executor.0/18196:
 #0: ff60000013159100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #0: ff60000013159100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x6c/0x234 net/nfc/core.c:1165
2 locks held by syz-executor.1/18227:
 #0: ffffffff854dd928 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x4a/0x2c6 drivers/char/misc.c:129
 #1: ffffffff85e1a6e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_open+0xf0/0x42c net/rfkill/core.c:1163
1 lock held by syz-executor.0/18230:
 #0: ffffffff854dd928 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x4a/0x2c6 drivers/char/misc.c:129
1 lock held by syz-executor.0/18262:
 #0: ffffffff854dd928 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x4a/0x2c6 drivers/char/misc.c:129

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