INFO: task kworker/u8:2:34 blocked for more than 143 seconds. Not tainted 6.12.0-rc7-syzkaller-gbaa007e8da32 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:2 state:D stack:0 pid:34 tgid:34 ppid:2 flags:0x00000008 Workqueue: netns cleanup_net Call trace: __switch_to+0x418/0x7a4 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16e0/0x27d0 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6782 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6839 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1145 wiphy_unregister+0x1e8/0x9f4 net/wireless/core.c:1098 ieee80211_unregister_hw+0x1b8/0x29c net/mac80211/main.c:1694 mac80211_hwsim_del_radio+0x220/0x3e4 drivers/net/wireless/virtual/mac80211_hwsim.c:5625 hwsim_exit_net+0x51c/0x5e4 drivers/net/wireless/virtual/mac80211_hwsim.c:6505 ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x640/0x9b4 net/core/net_namespace.c:626 process_one_work+0x7bc/0x1600 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3391 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 INFO: task dhcpcd:6088 blocked for more than 143 seconds. Not tainted 6.12.0-rc7-syzkaller-gbaa007e8da32 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:0 pid:6088 tgid:6088 ppid:1 flags:0x00000804 Call trace: __switch_to+0x418/0x7a4 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16e0/0x27d0 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6782 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6839 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10c/0xbb0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2551 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x668/0x8a4 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x7a4/0xa8c net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg net/socket.c:744 [inline] ____sys_sendmsg+0x56c/0x840 net/socket.c:2607 ___sys_sendmsg net/socket.c:2661 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2690 __do_sys_sendmsg net/socket.c:2699 [inline] __se_sys_sendmsg net/socket.c:2697 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2697 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x1e0/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task kworker/0:3:6450 blocked for more than 143 seconds. Not tainted 6.12.0-rc7-syzkaller-gbaa007e8da32 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:3 state:D stack:0 pid:6450 tgid:6450 ppid:2 flags:0x00000008 Workqueue: events rfkill_sync_work Call trace: __switch_to+0x418/0x7a4 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16e0/0x27d0 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6782 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6839 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 device_lock include/linux/device.h:1014 [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:346 rfkill_sync net/rfkill/core.c:379 [inline] rfkill_sync_work+0x124/0x20c net/rfkill/core.c:1056 process_one_work+0x7bc/0x1600 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3391 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 INFO: task syz-executor:6463 blocked for more than 143 seconds. Not tainted 6.12.0-rc7-syzkaller-gbaa007e8da32 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:6463 tgid:6463 ppid:1 flags:0x0000000d Call trace: __switch_to+0x418/0x7a4 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16e0/0x27d0 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6782 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6839 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1145 hci_unregister_dev+0x314/0x4b8 net/bluetooth/hci_core.c:2715 vhci_release+0x7c/0xd0 drivers/bluetooth/hci_vhci.c:664 __fput+0x1bc/0x75c fs/file_table.c:431 ____fput+0x20/0x30 fs/file_table.c:459 task_work_run+0x230/0x2e0 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0x4ec/0x1ad0 kernel/exit.c:939 do_group_exit+0x194/0x22c kernel/exit.c:1088 get_signal+0x1410/0x152c kernel/signal.c:2918 do_signal+0x23c/0x391c arch/arm64/kernel/signal.c:1645 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 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+0xac/0x168 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.4.106:7030 blocked for more than 143 seconds. Not tainted 6.12.0-rc7-syzkaller-gbaa007e8da32 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.106 state:D stack:0 pid:7030 tgid:7020 ppid:6463 flags:0x0000000c Call trace: __switch_to+0x418/0x7a4 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16e0/0x27d0 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6782 schedule_timeout+0xb8/0x33c kernel/time/timer.c:2591 do_wait_for_common+0x30c/0x468 kernel/sched/completion.c:95 __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x48/0x60 kernel/sched/completion.c:148 __flush_work+0x794/0x954 kernel/workqueue.c:4217 __cancel_work_sync kernel/workqueue.c:4337 [inline] cancel_work_sync+0xc4/0x120 kernel/workqueue.c:4374 rfkill_unregister+0x8c/0x210 net/rfkill/core.c:1139 nfc_unregister_device+0x98/0x290 net/nfc/core.c:1167 nci_unregister_device+0x1dc/0x21c net/nfc/nci/core.c:1312 virtual_ncidev_close+0x5c/0xa0 drivers/nfc/virtual_ncidev.c:172 __fput+0x1bc/0x75c fs/file_table.c:431 ____fput+0x20/0x30 fs/file_table.c:459 task_work_run+0x230/0x2e0 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0x4ec/0x1ad0 kernel/exit.c:939 do_group_exit+0x194/0x22c kernel/exit.c:1088 get_signal+0x1410/0x152c kernel/signal.c:2918 do_signal+0x23c/0x391c arch/arm64/kernel/signal.c:1645 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 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+0xac/0x168 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz-executor:7108 blocked for more than 143 seconds. Not tainted 6.12.0-rc7-syzkaller-gbaa007e8da32 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:7108 tgid:7108 ppid:1 flags:0x00000000 Call trace: __switch_to+0x418/0x7a4 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16e0/0x27d0 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6782 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6839 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 hci_register_dev+0x398/0x8b0 net/bluetooth/hci_core.c:2617 __vhci_create_device drivers/bluetooth/hci_vhci.c:428 [inline] vhci_create_device+0x33c/0x68c drivers/bluetooth/hci_vhci.c:470 vhci_get_user drivers/bluetooth/hci_vhci.c:527 [inline] vhci_write+0x324/0x3c8 drivers/bluetooth/hci_vhci.c:607 new_sync_write fs/read_write.c:590 [inline] vfs_write+0x920/0xcf4 fs/read_write.c:683 ksys_write+0x15c/0x26c fs/read_write.c:736 __do_sys_write fs/read_write.c:748 [inline] __se_sys_write fs/read_write.c:745 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:745 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.0.122:7120 blocked for more than 143 seconds. Not tainted 6.12.0-rc7-syzkaller-gbaa007e8da32 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.122 state:D stack:0 pid:7120 tgid:7119 ppid:6418 flags:0x0000000d Call trace: __switch_to+0x418/0x7a4 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16e0/0x27d0 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6782 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6839 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 wiphy_register+0x1c30/0x23d0 net/wireless/core.c:1032 ieee80211_register_hw+0x2714/0x3354 net/mac80211/main.c:1577 mac80211_hwsim_new_radio+0x2308/0x3ecc drivers/net/wireless/virtual/mac80211_hwsim.c:5519 hwsim_new_radio_nl+0xc9c/0x1c74 drivers/net/wireless/virtual/mac80211_hwsim.c:6203 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x888/0xbb0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2551 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x668/0x8a4 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x7a4/0xa8c net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg net/socket.c:744 [inline] ____sys_sendmsg+0x56c/0x840 net/socket.c:2607 ___sys_sendmsg net/socket.c:2661 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2690 __do_sys_sendmsg net/socket.c:2699 [inline] __se_sys_sendmsg net/socket.c:2697 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2697 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.3.131:7159 blocked for more than 143 seconds. Not tainted 6.12.0-rc7-syzkaller-gbaa007e8da32 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.131 state:D stack:0 pid:7159 tgid:7158 ppid:6465 flags:0x00000001 Call trace: __switch_to+0x418/0x7a4 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16e0/0x27d0 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6782 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6839 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10c/0xbb0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2551 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x668/0x8a4 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x7a4/0xa8c net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg net/socket.c:744 [inline] __sys_sendto+0x374/0x4f4 net/socket.c:2214 __do_sys_sendto net/socket.c:2226 [inline] __se_sys_sendto net/socket.c:2222 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2222 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz.1.134:7169 blocked for more than 143 seconds. Not tainted 6.12.0-rc7-syzkaller-gbaa007e8da32 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.134 state:D stack:0 pid:7169 tgid:7168 ppid:6421 flags:0x00000001 Call trace: __switch_to+0x418/0x7a4 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16e0/0x27d0 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6782 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6839 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 genl_lock net/netlink/genetlink.c:35 [inline] genl_op_lock net/netlink/genetlink.c:60 [inline] genl_rcv_msg+0x10c/0xbb0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2551 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x668/0x8a4 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x7a4/0xa8c net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg net/socket.c:744 [inline] __sys_sendto+0x374/0x4f4 net/socket.c:2214 __do_sys_sendto net/socket.c:2226 [inline] __se_sys_sendto net/socket.c:2222 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2222 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task syz-executor:7174 blocked for more than 143 seconds. Not tainted 6.12.0-rc7-syzkaller-gbaa007e8da32 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:7174 tgid:7174 ppid:1 flags:0x00000008 Call trace: __switch_to+0x418/0x7a4 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5328 [inline] __schedule+0x16e0/0x27d0 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6782 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6839 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:684 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 hci_register_dev+0x398/0x8b0 net/bluetooth/hci_core.c:2617 __vhci_create_device drivers/bluetooth/hci_vhci.c:428 [inline] vhci_create_device+0x33c/0x68c drivers/bluetooth/hci_vhci.c:470 vhci_get_user drivers/bluetooth/hci_vhci.c:527 [inline] vhci_write+0x324/0x3c8 drivers/bluetooth/hci_vhci.c:607 new_sync_write fs/read_write.c:590 [inline] vfs_write+0x920/0xcf4 fs/read_write.c:683 ksys_write+0x15c/0x26c fs/read_write.c:736 __do_sys_write fs/read_write.c:748 [inline] __se_sys_write fs/read_write.c:745 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:745 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 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: 1 lock held by khungtaskd/31: #0: ffff80008f9efd60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:336 4 locks held by kworker/u8:2/34: #0: ffff0000c1891948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff800097f47c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 #2: ffff8000927171d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0x9b4 net/core/net_namespace.c:580 #3: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1145 2 locks held by dhcpcd/6088: #0: ffff800092784af0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:1218 #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x10c/0xbb0 net/netlink/genetlink.c:1209 2 locks held by getty/6179: #0: ffff0000d23ba0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009b84b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211 4 locks held by kworker/0:3/6450: #0: ffff0000c0028948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x628/0x1600 kernel/workqueue.c:3203 #1: ffff8000a0e87c20 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_one_work+0x6bc/0x1600 kernel/workqueue.c:3203 #2: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_sync_work+0x30/0x20c net/rfkill/core.c:1055 #3: ffff0000cc217100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff0000cc217100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down net/nfc/core.c:143 [inline] #3: ffff0000cc217100 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x50/0x2d0 net/nfc/core.c:179 1 lock held by syz-executor/6463: #0: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1145 1 lock held by syz.4.106/7030: #0: ffff0000cc217100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #0: ffff0000cc217100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x6c/0x290 net/nfc/core.c:1165 2 locks held by syz-executor/7108: #0: ffff0000f32ad118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 3 locks held by syz.0.122/7120: #0: ffff800092784af0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:1218 #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x10c/0xbb0 net/netlink/genetlink.c:1209 #2: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz.3.131/7159: #0: ffff800092784af0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:1218 #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x10c/0xbb0 net/netlink/genetlink.c:1209 2 locks held by syz.1.134/7169: #0: ffff800092784af0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x28/0x50 net/netlink/genetlink.c:1218 #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:35 [inline] #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:60 [inline] #1: ffff8000927849a8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x10c/0xbb0 net/netlink/genetlink.c:1209 2 locks held by syz-executor/7174: #0: ffff0000d0455918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7176: #0: ffff0000d4085118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7179: #0: ffff0000f32b2118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7180: #0: ffff0000f32b4918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7188: #0: ffff0000ca2f8118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7191: #0: ffff0000d5141918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7194: #0: ffff0000ef47e118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7197: #0: ffff0000e82ac918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7199: #0: ffff0000e835d918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7201: #0: ffff0000ca2fa118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7204: #0: ffff0000e84b6118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7207: #0: ffff0000d8306118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7210: #0: ffff0000d6eb2918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 2 locks held by syz-executor/7212: #0: ffff0000dc132918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x44/0x68c drivers/bluetooth/hci_vhci.c:469 #1: ffff8000929e9da8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x44/0x7d4 net/rfkill/core.c:1071 =============================================