INFO: task kworker/1:1:25 blocked for more than 143 seconds. Not tainted 5.15.120-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack: 0 pid: 25 ppid: 2 flags:0x00000008 Workqueue: events rfkill_op_handler Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5026 [inline] __schedule+0xf10/0x1e38 kernel/sched/core.c:6372 schedule+0x11c/0x1c8 kernel/sched/core.c:6455 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6514 __mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 device_lock include/linux/device.h:760 [inline] nfc_dev_down net/nfc/core.c:143 [inline] nfc_rfkill_set_block+0x50/0x2d0 net/nfc/core.c:179 rfkill_set_block+0x18c/0x37c net/rfkill/core.c:345 rfkill_epo+0x8c/0x158 net/rfkill/core.c:454 __rfkill_handle_global_op net/rfkill/input.c:60 [inline] rfkill_op_handler+0x170/0x288 net/rfkill/input.c:108 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 INFO: task kworker/1:4:4038 blocked for more than 143 seconds. Not tainted 5.15.120-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack: 0 pid: 4038 ppid: 2 flags:0x00000008 Workqueue: events rfkill_global_led_trigger_worker Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5026 [inline] __schedule+0xf10/0x1e38 kernel/sched/core.c:6372 schedule+0x11c/0x1c8 kernel/sched/core.c:6455 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6514 __mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 rfkill_global_led_trigger_worker+0x30/0xe4 net/rfkill/core.c:181 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307 worker_thread+0x910/0x1034 kernel/workqueue.c:2454 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 INFO: task syz-executor142:7825 blocked for more than 143 seconds. Not tainted 5.15.120-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor142 state:D stack: 0 pid: 7825 ppid: 3990 flags:0x0000000c Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5026 [inline] __schedule+0xf10/0x1e38 kernel/sched/core.c:6372 schedule+0x11c/0x1c8 kernel/sched/core.c:6455 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6514 __mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1118 nfc_unregister_device+0x98/0x290 net/nfc/core.c:1167 nci_unregister_device+0x1e0/0x22c net/nfc/nci/core.c:1306 virtual_ncidev_close+0x70/0xb0 drivers/nfc/virtual_ncidev.c:166 __fput+0x30c/0x7f0 fs/file_table.c:280 ____fput+0x20/0x30 fs/file_table.c:308 task_work_run+0x130/0x1e4 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0x688/0x2134 kernel/exit.c:872 do_group_exit+0x110/0x268 kernel/exit.c:994 __do_sys_exit_group kernel/exit.c:1005 [inline] __se_sys_exit_group kernel/exit.c:1003 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1003 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 1 lock held by kdevtmpfs/23: #0: ffff0001b480bd18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:475 [inline] #0: ffff0001b480bd18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1326 [inline] #0: ffff0001b480bd18 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1621 [inline] #0: ffff0001b480bd18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x328/0x1e38 kernel/sched/core.c:6286 4 locks held by kworker/1:1/25: #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2280 #1: ffff800018a17c00 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2282 #2: ffff800016c5ad48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x58/0x158 net/rfkill/core.c:450 #3: ffff0000cec9b190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #3: ffff0000cec9b190 (&dev->mutex){....}-{3:3}, at: nfc_dev_down net/nfc/core.c:143 [inline] #3: ffff0000cec9b190 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x50/0x2d0 net/nfc/core.c:179 1 lock held by khungtaskd/27: #0: ffff800014ac19a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:268 2 locks held by getty/3723: #0: ffff0000d3be0098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001a29b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 drivers/tty/n_tty.c:2147 3 locks held by kworker/1:4/4038: #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2280 #1: ffff80001cea7c00 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2282 #2: ffff800016c5ad48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x30/0xe4 net/rfkill/core.c:181 2 locks held by syz-executor142/7825: #0: ffff0000cec9b190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #0: ffff0000cec9b190 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x6c/0x290 net/nfc/core.c:1165 #1: ffff800016c5ad48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1118 1 lock held by syz-executor142/10260: #0: ffff8000161a1248 (input_mutex){+.+.}-{3:3}, at: __input_unregister_device+0x10c/0x304 drivers/input/input.c:2205 1 lock held by syz-executor142/10262: #0: ffff8000161a1248 (input_mutex){+.+.}-{3:3}, at: __input_unregister_device+0x10c/0x304 drivers/input/input.c:2205 2 locks held by syz-executor142/10263: #0: ffff0000d2a41870 (&newdev->mutex){+.+.}-{3:3}, at: uinput_ioctl_handler+0xf8/0x14b0 drivers/input/misc/uinput.c:851 #1: ffff8000161a1248 (input_mutex){+.+.}-{3:3}, at: input_register_device+0x924/0xe4c drivers/input/input.c:2347 2 locks held by syz-executor142/10264: #0: ffff0000c5f14070 (&newdev->mutex){+.+.}-{3:3}, at: uinput_ioctl_handler+0xf8/0x14b0 drivers/input/misc/uinput.c:851 #1: ffff8000161a1248 (input_mutex){+.+.}-{3:3}, at: input_register_device+0x924/0xe4c drivers/input/input.c:2347 2 locks held by syz-executor142/10265: #0: ffff0000d5335070 (&newdev->mutex){+.+.}-{3:3}, at: uinput_ioctl_handler+0xf8/0x14b0 drivers/input/misc/uinput.c:851 #1: ffff8000161a1248 (input_mutex){+.+.}-{3:3}, at: input_register_device+0x924/0xe4c drivers/input/input.c:2347 =============================================