INFO: task kworker/0:0:8 blocked for more than 143 seconds. Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:25048 pid:8 ppid:2 flags:0x00004000 Workqueue: events rfkill_global_led_trigger_worker Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 rfkill_global_led_trigger_worker+0x1b/0x160 net/rfkill/core.c:181 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 INFO: task kworker/0:1:9 blocked for more than 143 seconds. Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:26904 pid:9 ppid:2 flags:0x00004000 Workqueue: events rfkill_sync_work Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 device_lock include/linux/device.h:992 [inline] nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143 nfc_rfkill_set_block+0x39/0xd0 net/nfc/core.c:179 rfkill_set_block+0x200/0x550 net/rfkill/core.c:345 rfkill_sync_work+0x8e/0xc0 net/rfkill/core.c:1042 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 INFO: task kworker/u4:8:2851 blocked for more than 143 seconds. Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:8 state:D stack:26232 pid:2851 ppid:2 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1130 wiphy_unregister+0x138/0xb70 net/wireless/core.c:1089 ieee80211_unregister_hw+0x1a1/0x250 net/mac80211/main.c:1502 mac80211_hwsim_del_radio drivers/net/wireless/virtual/mac80211_hwsim.c:5408 [inline] hwsim_exit_net+0x3a8/0x7d0 drivers/net/wireless/virtual/mac80211_hwsim.c:6285 ops_exit_list+0xb0/0x170 net/core/net_namespace.c:170 cleanup_net+0x505/0xb20 net/core/net_namespace.c:614 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 INFO: task syz-executor.1:5398 blocked for more than 144 seconds. Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:24712 pid:5398 ppid:1 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 misc_open+0x59/0x4c0 drivers/char/misc.c:129 chrdev_open+0x277/0x700 fs/char_dev.c:414 do_dentry_open+0x88b/0x1730 fs/open.c:929 do_open fs/namei.c:3639 [inline] path_openat+0x19af/0x29c0 fs/namei.c:3796 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_openat fs/open.c:1453 [inline] __se_sys_openat fs/open.c:1448 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1448 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f851e87b5a0 RSP: 002b:00007fff34ae3860 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f851e87b5a0 RDX: 0000000000000002 RSI: 00007f851e8d7dff RDI: 00000000ffffff9c RBP: 00007f851e8d7dff R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fff34ae4028 R13: 00007fff34ae4028 R14: 0000000000000001 R15: 00000000fffffff1 INFO: task syz-executor.0:5406 blocked for more than 144 seconds. Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:24912 pid:5406 ppid:1 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 misc_open+0x59/0x4c0 drivers/char/misc.c:129 chrdev_open+0x277/0x700 fs/char_dev.c:414 do_dentry_open+0x88b/0x1730 fs/open.c:929 do_open fs/namei.c:3639 [inline] path_openat+0x19af/0x29c0 fs/namei.c:3796 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_openat fs/open.c:1453 [inline] __se_sys_openat fs/open.c:1448 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1448 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f338e27b5a0 RSP: 002b:00007ffda8e06950 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f338e27b5a0 RDX: 0000000000000002 RSI: 00007f338e2d7dff RDI: 00000000ffffff9c RBP: 00007f338e2d7dff R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffda8e07118 R13: 00007ffda8e07118 R14: 0000000000000001 R15: 00000000fffffff1 INFO: task syz-executor.5:5403 blocked for more than 144 seconds. Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:24640 pid:5403 ppid:1 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 misc_open+0x59/0x4c0 drivers/char/misc.c:129 chrdev_open+0x277/0x700 fs/char_dev.c:414 do_dentry_open+0x88b/0x1730 fs/open.c:929 do_open fs/namei.c:3639 [inline] path_openat+0x19af/0x29c0 fs/namei.c:3796 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_openat fs/open.c:1453 [inline] __se_sys_openat fs/open.c:1448 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1448 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f86ba67b5a0 RSP: 002b:00007ffffbec9490 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f86ba67b5a0 RDX: 0000000000000002 RSI: 00007f86ba6d7dff RDI: 00000000ffffff9c RBP: 00007f86ba6d7dff R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffffbec9c58 R13: 00007ffffbec9c58 R14: 0000000000000001 R15: 00000000fffffff1 INFO: task syz-executor.2:5413 blocked for more than 144 seconds. Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:24864 pid:5413 ppid:1 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 rfkill_fop_open+0x13c/0x750 net/rfkill/core.c:1163 misc_open+0x3da/0x4c0 drivers/char/misc.c:165 chrdev_open+0x277/0x700 fs/char_dev.c:414 do_dentry_open+0x88b/0x1730 fs/open.c:929 do_open fs/namei.c:3639 [inline] path_openat+0x19af/0x29c0 fs/namei.c:3796 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_openat fs/open.c:1453 [inline] __se_sys_openat fs/open.c:1448 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1448 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2edaa7b5a0 RSP: 002b:00007ffe03407ea0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2edaa7b5a0 RDX: 0000000000000002 RSI: 00007f2edaad7dff RDI: 00000000ffffff9c RBP: 00007f2edaad7dff R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffe03408668 R13: 00007ffe03408668 R14: 0000000000000001 R15: 00000000fffffff1 INFO: task syz-executor.4:5639 blocked for more than 145 seconds. Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:27136 pid:5639 ppid:5400 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_timeout+0x27a/0x2c0 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x3e2/0x5f0 kernel/sched/completion.c:116 __flush_work+0x5b4/0xbb0 kernel/workqueue.c:3407 __cancel_work_timer+0x3ef/0x580 kernel/workqueue.c:3494 rfkill_unregister+0x95/0x2c0 net/rfkill/core.c:1124 nfc_unregister_device+0x94/0x330 net/nfc/core.c:1167 virtual_ncidev_close+0x51/0xa0 drivers/nfc/virtual_ncidev.c:163 __fput+0x3f7/0xa70 fs/file_table.c:384 __fput_sync+0x47/0x50 fs/file_table.c:465 __do_sys_close fs/open.c:1572 [inline] __se_sys_close fs/open.c:1557 [inline] __x64_sys_close+0x87/0xf0 fs/open.c:1557 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2a82a7b89a RSP: 002b:00007ffebee80ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2a82a7b89a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000032 R08: 0000001b2ca60000 R09: 00007f2a82b9bf8c R10: 00007ffebee80cf0 R11: 0000000000000293 R12: 00007f2a82600298 R13: ffffffffffffffff R14: 00007f2a82600000 R15: 0000000000012d4e INFO: task syz-executor.3:5744 blocked for more than 145 seconds. Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:29120 pid:5744 ppid:1 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6695 schedule+0xe7/0x1b0 kernel/sched/core.c:6771 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747 misc_open+0x59/0x4c0 drivers/char/misc.c:129 chrdev_open+0x277/0x700 fs/char_dev.c:414 do_dentry_open+0x88b/0x1730 fs/open.c:929 do_open fs/namei.c:3639 [inline] path_openat+0x19af/0x29c0 fs/namei.c:3796 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_openat fs/open.c:1453 [inline] __se_sys_openat fs/open.c:1448 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1448 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd06a27b521 RSP: 002b:00007ffc17502c20 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd06a27b521 RDX: 0000000000000002 RSI: 00007fd06a2d7d54 RDI: 00000000ffffff9c RBP: 00007fd06a2d7d54 R08: 0000000000000000 R09: 00007fd06aecb320 R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc175033e8 R13: 00007ffc175033e8 R14: 0000000000000001 R15: 00000000fffffff1 INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xfac/0x1230 kernel/hung_task.c:379 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 42 Comm: kworker/u4:2 Not tainted 6.6.0-rc1-syzkaller-00115-g9fdfb15a3dbf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker RIP: 0010:process_one_work+0x7a1/0x15d0 kernel/workqueue.c:2605 Code: 24 98 00 00 00 01 4c 89 ff e8 8b f9 ec 08 e8 76 1d 32 00 48 8b 54 24 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 43 0c 00 00 49 8b 44 24 08 45 31 c9 41 b8 01 00 00 00 31 c9 RSP: 0018:ffffc90000b2fcf8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff888141673800 RCX: 0000000000000000 RDX: 1ffff1100e1b5381 RSI: ffffffff8155b10a RDI: 0000000000000001 RBP: ffff88806cd2ce28 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8ece2597 R11: 0000000000000c00 R12: ffff888070da9c00 R13: 0000000000000100 R14: 0000000000000100 R15: ffff888013641000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558dd6eeb600 CR3: 000000000c976000 CR4: 0000000000350ef0 Call Trace: process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304