INFO: task kworker/0:1:11 blocked for more than 143 seconds. Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:0 pid:11 tgid:11 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events rfkill_op_handler Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678 __mutex_lock kernel/locking/mutex.c:746 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798 device_lock include/linux/device.h:922 [inline] nfc_dev_down net/nfc/core.c:143 [inline] nfc_rfkill_set_block+0x4c/0x2a8 net/nfc/core.c:179 rfkill_set_block+0x18c/0x374 net/rfkill/core.c:346 rfkill_epo+0x8c/0x158 net/rfkill/core.c:466 __rfkill_handle_global_op net/rfkill/input.c:60 [inline] rfkill_op_handler+0x164/0x25c net/rfkill/input.c:108 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 INFO: task kworker/0:8:6576 blocked for more than 143 seconds. Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:8 state:D stack:0 pid:6576 tgid:6576 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events rfkill_global_led_trigger_worker Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678 __mutex_lock kernel/locking/mutex.c:746 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798 rfkill_global_led_trigger_worker+0x30/0xe4 net/rfkill/core.c:182 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 INFO: task syz.3.31:6655 blocked for more than 143 seconds. Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.31 state:D stack:0 pid:6655 tgid:6655 ppid:6490 task_flags:0x400040 flags:0x00000011 Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678 __mutex_lock kernel/locking/mutex.c:746 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798 rfkill_unregister+0xb8/0x208 net/rfkill/core.c:1145 nfc_unregister_device+0x94/0x288 net/nfc/core.c:1167 nci_unregister_device+0x1dc/0x21c net/nfc/nci/core.c:1323 virtual_ncidev_close+0x5c/0xa0 drivers/nfc/virtual_ncidev.c:172 __fput+0x340/0x75c fs/file_table.c:465 ____fput+0x20/0x58 fs/file_table.c:493 task_work_run+0x1dc/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x16c/0x1ec arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xb4/0x17c arch/arm64/kernel/entry-common.c:768 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task udevd:6664 blocked for more than 143 seconds. Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:0 pid:6664 tgid:6664 ppid:6103 task_flags:0x400140 flags:0x00000008 Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678 __mutex_lock kernel/locking/mutex.c:746 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798 misc_open+0x68/0x328 drivers/char/misc.c:143 chrdev_open+0x1b0/0x4b0 fs/char_dev.c:414 do_dentry_open+0xb7c/0x1544 fs/open.c:956 vfs_open+0x44/0x2d4 fs/open.c:1086 do_open fs/namei.c:3880 [inline] path_openat+0x2424/0x2c40 fs/namei.c:4039 do_filp_open+0x18c/0x36c fs/namei.c:4066 do_sys_openat2+0x11c/0x1b4 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __arm64_sys_openat+0x120/0x158 fs/open.c:1455 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task udevd:6669 blocked for more than 143 seconds. Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:0 pid:6669 tgid:6669 ppid:6103 task_flags:0x400140 flags:0x00000008 Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678 __mutex_lock kernel/locking/mutex.c:746 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798 misc_open+0x68/0x328 drivers/char/misc.c:143 chrdev_open+0x1b0/0x4b0 fs/char_dev.c:414 do_dentry_open+0xb7c/0x1544 fs/open.c:956 vfs_open+0x44/0x2d4 fs/open.c:1086 do_open fs/namei.c:3880 [inline] path_openat+0x2424/0x2c40 fs/namei.c:4039 do_filp_open+0x18c/0x36c fs/namei.c:4066 do_sys_openat2+0x11c/0x1b4 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __arm64_sys_openat+0x120/0x158 fs/open.c:1455 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.2.51:6843 blocked for more than 143 seconds. Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.51 state:D stack:0 pid:6843 tgid:6842 ppid:6497 task_flags:0x400040 flags:0x00000011 Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678 __mutex_lock kernel/locking/mutex.c:746 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798 rfkill_register+0x44/0x7ac net/rfkill/core.c:1071 nfc_register_device+0x140/0x304 net/nfc/core.c:1132 nci_register_device+0x6a0/0x7bc net/nfc/nci/core.c:1277 virtual_ncidev_open+0x120/0x1a0 drivers/nfc/virtual_ncidev.c:157 misc_open+0x2b8/0x328 drivers/char/misc.c:179 chrdev_open+0x1b0/0x4b0 fs/char_dev.c:414 do_dentry_open+0xb7c/0x1544 fs/open.c:956 vfs_open+0x44/0x2d4 fs/open.c:1086 do_open fs/namei.c:3880 [inline] path_openat+0x2424/0x2c40 fs/namei.c:4039 do_filp_open+0x18c/0x36c fs/namei.c:4066 do_sys_openat2+0x11c/0x1b4 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __arm64_sys_openat+0x120/0x158 fs/open.c:1455 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.4.57:6883 blocked for more than 143 seconds. Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.57 state:D stack:0 pid:6883 tgid:6882 ppid:6499 task_flags:0x400040 flags:0x04000001 Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678 __mutex_lock kernel/locking/mutex.c:746 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798 misc_open+0x68/0x328 drivers/char/misc.c:143 chrdev_open+0x1b0/0x4b0 fs/char_dev.c:414 do_dentry_open+0xb7c/0x1544 fs/open.c:956 vfs_open+0x44/0x2d4 fs/open.c:1086 do_open fs/namei.c:3880 [inline] path_openat+0x2424/0x2c40 fs/namei.c:4039 do_filp_open+0x18c/0x36c fs/namei.c:4066 do_sys_openat2+0x11c/0x1b4 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __arm64_sys_openat+0x120/0x158 fs/open.c:1455 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.1.58:6885 blocked for more than 143 seconds. Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.58 state:D stack:0 pid:6885 tgid:6884 ppid:6494 task_flags:0x400040 flags:0x00000011 Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678 __mutex_lock kernel/locking/mutex.c:746 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798 misc_open+0x68/0x328 drivers/char/misc.c:143 chrdev_open+0x1b0/0x4b0 fs/char_dev.c:414 do_dentry_open+0xb7c/0x1544 fs/open.c:956 vfs_open+0x44/0x2d4 fs/open.c:1086 do_open fs/namei.c:3880 [inline] path_openat+0x2424/0x2c40 fs/namei.c:4039 do_filp_open+0x18c/0x36c fs/namei.c:4066 do_sys_openat2+0x11c/0x1b4 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __arm64_sys_openat+0x120/0x158 fs/open.c:1455 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.0.85:6959 blocked for more than 143 seconds. Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.85 state:D stack:0 pid:6959 tgid:6958 ppid:6487 task_flags:0x400040 flags:0x00000001 Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678 __mutex_lock kernel/locking/mutex.c:746 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798 misc_open+0x68/0x328 drivers/char/misc.c:143 chrdev_open+0x1b0/0x4b0 fs/char_dev.c:414 do_dentry_open+0xb7c/0x1544 fs/open.c:956 vfs_open+0x44/0x2d4 fs/open.c:1086 do_open fs/namei.c:3880 [inline] path_openat+0x2424/0x2c40 fs/namei.c:4039 do_filp_open+0x18c/0x36c fs/namei.c:4066 do_sys_openat2+0x11c/0x1b4 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __arm64_sys_openat+0x120/0x158 fs/open.c:1455 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.0.85:6960 blocked for more than 143 seconds. Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.85 state:D stack:0 pid:6960 tgid:6958 ppid:6487 task_flags:0x400040 flags:0x00000001 Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678 __mutex_lock kernel/locking/mutex.c:746 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798 misc_open+0x68/0x328 drivers/char/misc.c:143 chrdev_open+0x1b0/0x4b0 fs/char_dev.c:414 do_dentry_open+0xb7c/0x1544 fs/open.c:956 vfs_open+0x44/0x2d4 fs/open.c:1086 do_open fs/namei.c:3880 [inline] path_openat+0x2424/0x2c40 fs/namei.c:4039 do_filp_open+0x18c/0x36c fs/namei.c:4066 do_sys_openat2+0x11c/0x1b4 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __arm64_sys_openat+0x120/0x158 fs/open.c:1455 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings Showing all locks held in the system: 4 locks held by kworker/0:1/11: #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212 #1: ffff800097647bc0 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212 #2: ffff80009276a6e8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_epo+0x58/0x158 net/rfkill/core.c:462 #3: ffff0000d9d0a100 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:922 [inline] #3: ffff0000d9d0a100 (&dev->mutex){....}-{4:4}, at: nfc_dev_down net/nfc/core.c:143 [inline] #3: ffff0000d9d0a100 (&dev->mutex){....}-{4:4}, at: nfc_rfkill_set_block+0x4c/0x2a8 net/nfc/core.c:179 2 locks held by kworker/u8:0/12: 1 lock held by khungtaskd/32: #0: ffff80008f508920 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330 1 lock held by pr/ttyAMA0/46: 2 locks held by getty/6251: #0: ffff0000d88080a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009b59e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa0 drivers/tty/n_tty.c:2222 3 locks held by kworker/0:8/6576: #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212 #1: ffff8000a0eb7bc0 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212 #2: ffff80009276a6e8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_global_led_trigger_worker+0x30/0xe4 net/rfkill/core.c:182 2 locks held by syz.3.31/6655: #0: ffff0000d9d0a100 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:922 [inline] #0: ffff0000d9d0a100 (&dev->mutex){....}-{4:4}, at: nfc_unregister_device+0x68/0x288 net/nfc/core.c:1165 #1: ffff80009276a6e8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_unregister+0xb8/0x208 net/rfkill/core.c:1145 1 lock held by udevd/6664: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by udevd/6669: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 3 locks held by syz.2.51/6843: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 #1: ffff0000d5733100 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:922 [inline] #1: ffff0000d5733100 (&dev->mutex){....}-{4:4}, at: nfc_register_device+0xac/0x304 net/nfc/core.c:1128 #2: ffff80009276a6e8 (rfkill_global_mutex){+.+.}-{4:4}, at: rfkill_register+0x44/0x7ac net/rfkill/core.c:1071 1 lock held by syz.4.57/6883: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz.1.58/6885: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz.0.85/6959: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz.0.85/6960: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6963: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6965: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6968: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6969: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6971: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6977: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6979: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6981: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6983: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6985: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6991: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6993: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6995: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6997: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 1 lock held by syz-executor/6999: #0: ffff800090e6dfe8 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x68/0x328 drivers/char/misc.c:143 =============================================