INFO: task kworker/0:5:3577 blocked for more than 143 seconds.
Not tainted 5.15.133-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5 state:D stack:18624 pid: 3577 ppid: 2 flags:0x00004000
Workqueue: events rfkill_sync_work
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6514
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
device_lock include/linux/device.h:760 [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:1030
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
INFO: task kworker/0:7:3594 blocked for more than 143 seconds.
Not tainted 5.15.133-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:7 state:D stack:20216 pid: 3594 ppid: 2 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6514
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
rfkill_global_led_trigger_worker+0x23/0xd0 net/rfkill/core.c:181
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
INFO: task syz-executor.2:15526 blocked for more than 143 seconds.
Not tainted 5.15.133-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:25688 pid:15526 ppid: 3542 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
schedule_timeout+0xac/0x300 kernel/time/timer.c:1860
do_wait_for_common+0x2d9/0x480 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+0x48/0x60 kernel/sched/completion.c:138
__flush_work+0x124/0x1a0 kernel/workqueue.c:3094
__cancel_work_timer+0x519/0x6a0 kernel/workqueue.c:3181
rfkill_unregister+0x92/0x220 net/rfkill/core.c:1112
nfc_unregister_device+0x92/0x290 net/nfc/core.c:1167
virtual_ncidev_close+0x55/0x90 drivers/nfc/virtual_ncidev.c:166
__fput+0x3bf/0x890 fs/file_table.c:280
task_work_run+0x129/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
__syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f69eeb569da
RSP: 002b:00007fffa8576eb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f69eeb569da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007f69eec78980 R08: 0000001b30320000 R09: 00000000000003c9
R10: 0000000081a6c190 R11: 0000000000000293 R12: 000000000032f766
R13: ffffffffffffffff R14: 00007f69ee6db000 R15: 000000000032f425
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8c91f0a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3271:
#0: ffff88814a85e098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc90002bb32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
4 locks held by kworker/0:5/3577:
#0: ffff888011c70d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc900040afd20 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
#2: ffffffff8dc6ea48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_sync_work+0x25/0xe0 net/rfkill/core.c:1028
#3: ffff88804deef190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff88804deef190 (&dev->mutex){....}-{3:3}, at: nfc_dev_down net/nfc/core.c:143 [inline]
#3: ffff88804deef190 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x4c/0x2f0 net/nfc/core.c:179
3 locks held by kworker/0:7/3594:
#0: ffff888011c70d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc9000413fd20 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
#2: ffffffff8dc6ea48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x23/0xd0 net/rfkill/core.c:181
2 locks held by kworker/u4:6/32270:
1 lock held by syz-executor.2/2729:
#0: ffffffff8dc6ea48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x49/0x220 net/rfkill/core.c:1300
1 lock held by syz-executor.2/2759:
#0: ffffffff8dc6ea48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x49/0x220 net/rfkill/core.c:1300
1 lock held by syz-executor.2/2791:
#0: ffffffff8dc6ea48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x49/0x220 net/rfkill/core.c:1300
1 lock held by syz-executor.2/2819:
#0: ffffffff8dc6ea48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x49/0x220 net/rfkill/core.c:1300
1 lock held by syz-executor.2/2849:
#0: ffffffff8dc6ea48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x49/0x220 net/rfkill/core.c:1300
1 lock held by syz-executor.2/2883:
#0: ffffffff8dc6ea48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x49/0x220 net/rfkill/core.c:1300
1 lock held by syz-executor.2/15526:
#0: ffff88804deef190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#0: ffff88804deef190 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x5f/0x290 net/nfc/core.c:1165
2 locks held by syz-executor.2/15600:
#0: ffff88804b97bd18 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x34/0x590 drivers/bluetooth/hci_vhci.c:149
#1: ffffffff8dc6ea48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x30/0x880 net/rfkill/core.c:1045
2 locks held by syz-executor.2/15606:
#0: ffff88804af33918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x34/0x590 drivers/bluetooth/hci_vhci.c:149
#1: ffffffff8dc6ea48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x30/0x880 net/rfkill/core.c:1045
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.133-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xe72/0xeb0 kernel/hung_task.c:295
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 32270 Comm: kworker/u4:6 Not tainted 5.15.133-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Workqueue: bat_events batadv_purge_orig
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:193
Code: 1f 84 00 00 00 00 00 0f 1f 00 53 48 89 fb e8 17 00 00 00 48 8b 3d 58 f1 63 0c 48 89 de 5b e9 37 d0 48 00 cc cc cc cc cc cc cc <48> 8b 04 24 65 48 8b 0d 64 52 82 7e 65 8b 15 65 52 82 7e f7 c2 00
RSP: 0018:ffffc900033dfa00 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff814d56c2 RCX: ffff88801b165940
RDX: ffff88801b165940 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81869eb0 R09: ffffed1009710c81
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff9200067bf4c R14: ffffc900033dfa60 R15: 0000000000000201
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c004be7000 CR3: 000000002396e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_hardirqs_off+0x65/0x70 kernel/trace/trace_preemptirq.c:82
__local_bh_enable_ip+0x102/0x1f0 kernel/softirq.c:365
spin_unlock_bh include/linux/spinlock.h:408 [inline]
batadv_purge_orig_ref+0x14b9/0x15a0 net/batman-adv/originator.c:1259
batadv_purge_orig+0x15/0x60 net/batman-adv/originator.c:1272
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298