INFO: task kworker/0:3:2962 blocked for more than 143 seconds.
Not tainted 6.1.27-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3 state:D stack:18912 pid:2962 ppid:2 flags:0x00004000
Workqueue: events rfkill_sync_work
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x132c/0x4330 kernel/sched/core.c:6554
schedule+0xbf/0x180 kernel/sched/core.c:6630
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6689
__mutex_lock_common+0xe2b/0x2520 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
device_lock include/linux/device.h:836 [inline]
nfc_dev_down net/nfc/core.c:143 [inline]
nfc_rfkill_set_block+0x4c/0x2f0 net/nfc/core.c:179
rfkill_set_block+0x1e7/0x430 net/rfkill/core.c:345
rfkill_sync_work+0x8a/0xe0 net/rfkill/core.c:1042
process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289
worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436
kthread+0x26e/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task kworker/0:1:24571 blocked for more than 143 seconds.
Not tainted 6.1.27-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1 state:D stack:25120 pid:24571 ppid:2 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x132c/0x4330 kernel/sched/core.c:6554
schedule+0xbf/0x180 kernel/sched/core.c:6630
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6689
__mutex_lock_common+0xe2b/0x2520 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
rfkill_global_led_trigger_worker+0x23/0xd0 net/rfkill/core.c:181
process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289
worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436
kthread+0x26e/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task syz-executor.5:24952 blocked for more than 143 seconds.
Not tainted 6.1.27-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:24120 pid:24952 ppid:3574 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x132c/0x4330 kernel/sched/core.c:6554
schedule+0xbf/0x180 kernel/sched/core.c:6630
schedule_timeout+0xac/0x300 kernel/time/timer.c:1911
do_wait_for_common+0x441/0x5e0 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x46/0x60 kernel/sched/completion.c:138
__flush_work+0x124/0x1a0 kernel/workqueue.c:3073
__cancel_work_timer+0x519/0x6a0 kernel/workqueue.c:3160
rfkill_unregister+0x92/0x220 net/rfkill/core.c:1124
nfc_unregister_device+0x92/0x290 net/nfc/core.c:1167
virtual_ncidev_close+0x55/0x90 drivers/nfc/virtual_ncidev.c:166
__fput+0x3b7/0x890 fs/file_table.c:320
task_work_run+0x246/0x300 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0x6fb/0x2300 kernel/exit.c:869
do_group_exit+0x202/0x2b0 kernel/exit.c:1019
get_signal+0x16f7/0x17d0 kernel/signal.c:2858
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:869
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f383088c169
RSP: 002b:00007f3831540168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: 0000000000000003 RBX: 00007f38309abf80 RCX: 00007f383088c169
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f38308e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff038f641f R14: 00007f3831540300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8cf273f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8cf27bf0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/28:
#0: ffffffff8cf27220 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
4 locks held by kworker/0:3/2962:
#0: ffff888012464d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77a/0x11f0
#1: ffffc9000cbbfd20 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_one_work+0x7bd/0x11f0 kernel/workqueue.c:2264
#2: ffffffff8e340888 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_sync_work+0x25/0xe0 net/rfkill/core.c:1040
#3: ffff8880292a9100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:836 [inline]
#3: ffff8880292a9100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down net/nfc/core.c:143 [inline]
#3: ffff8880292a9100 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x4c/0x2f0 net/nfc/core.c:179
2 locks held by getty/3299:
#0: ffff88802921c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2177
2 locks held by kworker/u4:8/8252:
1 lock held by syz-executor.5/19167:
#0: ffffffff8e340888 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xcc/0x220 net/rfkill/core.c:1130
3 locks held by kworker/0:1/24571:
#0: ffff888012464d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x77a/0x11f0
#1: ffffc900156ffd20 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x7bd/0x11f0 kernel/workqueue.c:2264
#2: ffffffff8e340888 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x23/0xd0 net/rfkill/core.c:181
1 lock held by syz-executor.5/24952:
#0: ffff8880292a9100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:836 [inline]
#0: ffff8880292a9100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x5f/0x290 net/nfc/core.c:1165
2 locks held by syz-executor.5/25055:
#0: ffff88804c130918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x34/0x6f0 drivers/bluetooth/hci_vhci.c:373
#1: ffffffff8e340888 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x30/0x880 net/rfkill/core.c:1057
2 locks held by syz-executor.5/25061:
#0: ffff88807688d118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x34/0x6f0 drivers/bluetooth/hci_vhci.c:373
#1: ffffffff8e340888 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x30/0x880 net/rfkill/core.c:1057
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.27-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xf18/0xf60 kernel/hung_task.c:377
kthread+0x26e/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8252 Comm: kworker/u4:8 Not tainted 6.1.27-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4746 [inline]
RIP: 0010:__lock_acquire+0x642/0x1f80 kernel/locking/lockdep.c:5006
Code: 41 8b 2c 24 41 89 ec ff cd 0f 88 a2 00 00 00 89 eb 83 fd 31 73 79 48 8d 04 9b 48 8d 5c c6 20 48 89 d8 48 c1 e8 03 0f b6 04 10 <84> c0 75 18 8b 1b 41 0f b6 04 17 84 c0 75 31 41 33 1e f7 c3 00 60
RSP: 0018:ffffc9000394f540 EFLAGS: 00000806
RAX: 0000000000000000 RBX: ffff8880789962d0 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: ffff888078996210 RDI: ffffffff90282230
RBP: 0000000000000004 R08: dffffc0000000000 R09: fffffbfff2050447
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000005
R13: ffff8880789957c0 R14: ffff8880789962f8 R15: 1ffff1100f132c5f
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0023ef000 CR3: 000000000cc8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:350 [inline]
__get_locked_pte+0x169/0x1c0 mm/memory.c:1840
get_locked_pte include/linux/mm.h:2191 [inline]
__text_poke+0x280/0x9a0 arch/x86/kernel/alternative.c:1137
text_poke arch/x86/kernel/alternative.c:1222 [inline]
text_poke_bp_batch+0x66b/0x940 arch/x86/kernel/alternative.c:1594
text_poke_flush arch/x86/kernel/alternative.c:1707 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1714
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
static_key_disable_cpuslocked+0xca/0x1b0 kernel/jump_label.c:207
static_key_disable+0x16/0x20 kernel/jump_label.c:215
toggle_allocation_gate+0x3e0/0x480 mm/kfence/core.c:818
process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289
worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436
kthread+0x26e/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306