INFO: task syz-executor:4320 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:4320 ppid:1 flags:0x00000009 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rfkill_register+0x44/0x77c net/rfkill/core.c:1057 wiphy_register+0x1ba8/0x224c net/wireless/core.c:1024 ieee80211_register_hw+0x233c/0x2f68 net/mac80211/main.c:1392 mac80211_hwsim_new_radio+0x2104/0x40dc drivers/net/wireless/mac80211_hwsim.c:4587 hwsim_new_radio_nl+0x878/0xbe0 drivers/net/wireless/mac80211_hwsim.c:5181 genl_family_rcv_msg_doit+0x1f8/0x2f4 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x444/0x62c net/netlink/genetlink.c:850 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x824 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6e8/0x9b0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x304/0x3fc net/socket.c:2153 __do_sys_sendto net/socket.c:2165 [inline] __se_sys_sendto net/socket.c:2161 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz-executor:4328 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:4328 ppid:1 flags:0x0000000c Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rfkill_unregister+0xb8/0x208 net/rfkill/core.c:1130 hci_unregister_dev+0x314/0x4b4 net/bluetooth/hci_core.c:2722 vhci_release+0x7c/0xcc drivers/bluetooth/hci_vhci.c:573 __fput+0x1bc/0x7c0 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x1ec/0x270 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0x54c/0x19a8 kernel/exit.c:880 do_group_exit+0x194/0x22c kernel/exit.c:1022 __do_sys_exit_group kernel/exit.c:1033 [inline] __se_sys_exit_group kernel/exit.c:1031 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1031 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task kworker/0:3:4372 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:3 state:D stack:0 pid:4372 ppid:2 flags:0x00000008 Workqueue: events rfkill_op_handler Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 device_lock include/linux/device.h:840 [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:345 rfkill_epo+0x8c/0x158 net/rfkill/core.c:454 __rfkill_handle_global_op net/rfkill/input.c:60 [inline] rfkill_op_handler+0x150/0x248 net/rfkill/input.c:108 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task kworker/0:4:4373 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:4 state:D stack:0 pid:4373 ppid:2 flags:0x00000008 Workqueue: events rfkill_global_led_trigger_worker Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rfkill_global_led_trigger_worker+0x30/0xe4 net/rfkill/core.c:181 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 INFO: task syz.0.8:4439 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.8 state:D stack:0 pid:4439 ppid:4323 flags:0x00000009 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rfkill_unregister+0xb8/0x208 net/rfkill/core.c:1130 nfc_unregister_device+0x94/0x288 net/nfc/core.c:1167 nci_unregister_device+0x1dc/0x21c net/nfc/nci/core.c:1311 virtual_ncidev_close+0x70/0xb0 drivers/nfc/virtual_ncidev.c:170 __fput+0x1bc/0x7c0 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x1ec/0x270 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2038/0x2b28 arch/arm64/kernel/signal.c:1137 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x138 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.1.38:4627 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.38 state:D stack:0 pid:4627 ppid:4319 flags:0x0000000d Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rfkill_unregister+0xb8/0x208 net/rfkill/core.c:1130 hci_unregister_dev+0x314/0x4b4 net/bluetooth/hci_core.c:2722 vhci_release+0x7c/0xcc drivers/bluetooth/hci_vhci.c:573 __fput+0x1bc/0x7c0 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x1ec/0x270 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0x54c/0x19a8 kernel/exit.c:880 do_group_exit+0x194/0x22c kernel/exit.c:1022 get_signal+0x11d0/0x1310 kernel/signal.c:2871 do_signal arch/arm64/kernel/signal.c:1081 [inline] do_notify_resume+0x29c/0x2b28 arch/arm64/kernel/signal.c:1134 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_da+0xb4/0x154 arch/arm64/kernel/entry-common.c:516 el0t_64_sync_handler+0x90/0xf0 arch/arm64/kernel/entry-common.c:658 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.3.72:4745 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.72 state:D stack:0 pid:4745 ppid:4332 flags:0x00000001 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0xec/0x62c net/netlink/genetlink.c:848 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2511 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x824 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6e8/0x9b0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x304/0x3fc net/socket.c:2153 __do_sys_sendto net/socket.c:2165 [inline] __se_sys_sendto net/socket.c:2161 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2161 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz-executor:4752 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:4752 ppid:1 flags:0x00000000 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6696 __mutex_lock_common+0xad4/0x1f38 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 rfkill_register+0x44/0x77c net/rfkill/core.c:1057 hci_register_dev+0x3e4/0x95c net/bluetooth/hci_core.c:2622 __vhci_create_device drivers/bluetooth/hci_vhci.c:340 [inline] vhci_create_device+0x350/0x6cc drivers/bluetooth/hci_vhci.c:379 vhci_get_user drivers/bluetooth/hci_vhci.c:436 [inline] vhci_write+0x30c/0x3ac drivers/bluetooth/hci_vhci.c:516 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_write+0x120/0x210 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff800015297870 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff800015298090 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 1 lock held by khungtaskd/28: #0: ffff800015296f00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 2 locks held by getty/4078: #0: ffff0000d63c4098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000207be2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf9c drivers/tty/n_tty.c:2198 3 locks held by syz-executor/4320: #0: ffff80001778cd70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff80001778cb88 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffff80001778cb88 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0xec/0x62c net/netlink/genetlink.c:848 #2: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 1 lock held by syz-executor/4328: #0: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x208 net/rfkill/core.c:1130 4 locks held by kworker/0:3/4372: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff8000210c7c20 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x58/0x158 net/rfkill/core.c:450 #3: ffff0000cce5d100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:840 [inline] #3: ffff0000cce5d100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down net/nfc/core.c:143 [inline] #3: ffff0000cce5d100 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x4c/0x2a8 net/nfc/core.c:179 3 locks held by kworker/0:4/4373: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff8000210d7c20 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x30/0xe4 net/rfkill/core.c:181 2 locks held by syz.0.8/4439: #0: ffff0000cce5d100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:840 [inline] #0: ffff0000cce5d100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x68/0x288 net/nfc/core.c:1165 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x208 net/rfkill/core.c:1130 1 lock held by syz.1.38/4627: #0: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x208 net/rfkill/core.c:1130 2 locks held by syz.3.72/4745: #0: ffff80001778cd70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:860 #1: ffff80001778cb88 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffff80001778cb88 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0xec/0x62c net/netlink/genetlink.c:848 2 locks held by syz-executor/4752: #0: ffff0000d5068118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4755: #0: ffff0000dbfe3118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4757: #0: ffff0000dbfe0118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4759: #0: ffff0000f4174118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4773: #0: ffff0000f5c49118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4778: #0: ffff0000d3149118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4782: #0: ffff0000dbaad918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4784: #0: ffff0000dbaac118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4786: #0: ffff0000d41b6918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4792: #0: ffff0000dd729118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4795: #0: ffff0000d506d918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4799: #0: ffff0000c369c918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4801: #0: ffff0000c369f118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 2 locks held by syz-executor/4803: #0: ffff0000df689918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x3c/0x6cc drivers/bluetooth/hci_vhci.c:378 #1: ffff8000179df8e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x77c net/rfkill/core.c:1057 =============================================