INFO: task kworker/1:0:23 blocked for more than 143 seconds. Not tainted 6.5.0-next-20230830-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:24040 pid:23 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 rfkill_sync_work+0x1c/0xc0 net/rfkill/core.c:1040 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/1:6:5135 blocked for more than 143 seconds. Not tainted 6.5.0-next-20230830-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:6 state:D stack:24928 pid:5135 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/1:3:13324 blocked for more than 143 seconds. Not tainted 6.5.0-next-20230830-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:27648 pid:13324 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 syz-executor.1:24326 blocked for more than 144 seconds. Not tainted 6.5.0-next-20230830-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27136 pid:24326 ppid:5075 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 rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1130 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 task_work_run+0x14d/0x240 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xa99/0x2a20 kernel/exit.c:874 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024 get_signal+0x23d1/0x27b0 kernel/signal.c:2892 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa48527b9da RSP: 002b:00007ffcf41cb060 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007fa48527b9da RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 00007fa48539d980 R08: 0000001b30720000 R09: 000000000000015b R10: 0000000088ee1b72 R11: 0000000000000293 R12: 000000000017c2cd R13: ffffffffffffffff R14: 00007fa484e00000 R15: 000000000017bef1 INFO: task syz-executor.0:24329 blocked for more than 144 seconds. Not tainted 6.5.0-next-20230830-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27136 pid:24329 ppid:5071 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: 0033:0x7f069267b9da RSP: 002b:00007ffea17a3bd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f069267b9da RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 00007f069279d980 R08: 0000001b30520000 R09: 00000000000000d9 R10: 0000000081305bf8 R11: 0000000000000293 R12: 000000000017cd86 R13: ffffffffffffffff R14: 00007f0692200000 R15: 000000000017c260 INFO: task syz-executor.3:24330 blocked for more than 144 seconds. Not tainted 6.5.0-next-20230830-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27136 pid:24330 ppid:5083 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: 0033:0x7faca047b9da RSP: 002b:00007ffc0f656ad0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faca047b9da RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 00007faca059d980 R08: 0000001b30b20000 R09: 0000000000000222 R10: 0000000081305bf8 R11: 0000000000000293 R12: 000000000017cd96 R13: ffffffffffffffff R14: 00007faca0000000 R15: 000000000017c2a2 INFO: task syz-executor.5:24359 blocked for more than 144 seconds. Not tainted 6.5.0-next-20230830-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:27424 pid:24359 ppid:5086 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 rfkill_register+0x3a/0xb00 net/rfkill/core.c:1057 nfc_register_device+0x11f/0x3c0 net/nfc/core.c:1132 nci_register_device+0x7f4/0xb80 net/nfc/nci/core.c:1257 virtual_ncidev_open+0x147/0x220 drivers/nfc/virtual_ncidev.c:148 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: 0033:0x7fba90a7cae9 RSP: 002b:00007fba916f60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fba90b9c120 RCX: 00007fba90a7cae9 RDX: 0000000000000002 RSI: 0000000020000300 RDI: ffffffffffffff9c RBP: 00007fba90ac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fba90b9c120 R15: 00007ffd4aadc298 INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-next-20230830-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 2796 Comm: kworker/u4:7 Not tainted 6.5.0-next-20230830-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:jump_entry_key include/linux/jump_label.h:135 [inline] RIP: 0010:__jump_label_update+0x51/0x420 kernel/jump_label.c:470 Code: 00 00 e8 02 61 d3 ff 48 8d 5d 08 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 80 3c 02 00 0f 85 c0 03 00 00 4c 8b 65 08 <4c> 89 e0 48 83 e0 fc 48 01 d8 48 39 04 24 0f 85 28 02 00 00 49 bd RSP: 0018:ffffc9000bc6fb90 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffffff8c6464b8 RCX: 0000000000000000 RDX: 1ffffffff18c8c97 RSI: ffffffff81b47e6e RDI: ffffffff922fb220 RBP: ffffffff8c6464b0 R08: 0000000000000007 R09: 0000000000000003 R10: ffffffff8c6464b0 R11: 0000000000000000 R12: 0000000005cb4d68 R13: ffffffff922fb220 R14: 0000000000000000 R15: ffffffff8c649250 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c004d8a000 CR3: 000000000c976000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: jump_label_update+0x32e/0x410 kernel/jump_label.c:829 static_key_disable_cpuslocked+0x154/0x1b0 kernel/jump_label.c:235 static_key_disable+0x1a/0x20 kernel/jump_label.c:243 toggle_allocation_gate mm/kfence/core.c:835 [inline] toggle_allocation_gate+0x13f/0x250 mm/kfence/core.c:822 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