INFO: task kworker/0:4:3691 blocked for more than 143 seconds.
Not tainted 6.1.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4 state:D stack:26416 pid:3691 ppid:2 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6503
schedule+0xda/0x1b0 kernel/sched/core.c:6579
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747
rfkill_global_led_trigger_worker+0x17/0x110 net/rfkill/core.c:181
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task syz-executor.3:5442 blocked for more than 143 seconds.
Not tainted 6.1.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:28040 pid:5442 ppid:3657 flags:0x20004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6503
schedule+0xda/0x1b0 kernel/sched/core.c:6579
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747
rfkill_unregister+0xda/0x2c0 net/rfkill/core.c:1130
nfc_unregister_device+0x92/0x330 net/nfc/core.c:1167
virtual_ncidev_close+0x6d/0x90 drivers/nfc/virtual_ncidev.c:166
__fput+0x27c/0xa90 fs/file_table.c:320
task_work_run+0x16b/0x270 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:296
__do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181
do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f59549
RSP: 002b:00000000f749fb10 EFLAGS: 00000286 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 00000000f734c000 RDI: 00000000000357d1
RBP: 00000000f737c0c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: task syz-executor.1:5454 blocked for more than 143 seconds.
Not tainted 6.1.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26312 pid:5454 ppid:3656 flags:0x20004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6503
schedule+0xda/0x1b0 kernel/sched/core.c:6579
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747
device_lock include/linux/device.h:835 [inline]
nfc_dev_down+0x29/0x2d0 net/nfc/core.c:143
nfc_rfkill_set_block+0x2f/0xc0 net/nfc/core.c:179
rfkill_set_block+0x1f9/0x540 net/rfkill/core.c:345
rfkill_fop_write+0x2c3/0x570 net/rfkill/core.c:1286
vfs_write+0x2d7/0xdd0 fs/read_write.c:582
ksys_write+0x1e8/0x250 fs/read_write.c:637
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f9b549
RSP: 002b:00000000f7f965cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000080
RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8bf87e30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8bf87b30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8bf88980 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6494
2 locks held by getty/3289:
#0: ffff88814aab2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0 drivers/tty/n_tty.c:2177
3 locks held by kworker/0:4/3691:
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc90004937da8 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8dbd48a8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x17/0x110 net/rfkill/core.c:181
2 locks held by syz-executor.3/5442:
#0: ffff8880490a5100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#0: ffff8880490a5100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x5e/0x330 net/nfc/core.c:1165
#1: ffffffff8dbd48a8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xda/0x2c0 net/rfkill/core.c:1130
2 locks held by syz-executor.1/5454:
#0: ffffffff8dbd48a8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x15c/0x570 net/rfkill/core.c:1278
#1: ffff8880490a5100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#1: ffff8880490a5100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x29/0x2d0 net/nfc/core.c:143
2 locks held by syz-executor.1/5616:
#0: ffff88802087c118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:373 [inline]
#0: ffff88802087c118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:431 [inline]
#0: ffff88802087c118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_write+0x2aa/0x460 drivers/bluetooth/hci_vhci.c:511
#1: ffffffff8dbd48a8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x36/0xb00 net/rfkill/core.c:1057
2 locks held by syz-executor.3/5617:
#0: ffff88807c5a2918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:373 [inline]
#0: ffff88807c5a2918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:431 [inline]
#0: ffff88807c5a2918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_write+0x2aa/0x460 drivers/bluetooth/hci_vhci.c:511
#1: ffffffff8dbd48a8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x36/0xb00 net/rfkill/core.c:1057
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x32f/0x3c0 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+0xc71/0xfc0 kernel/hung_task.c:377
kthread+0x2e4/0x3a0 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: 5270 Comm: kworker/u4:13 Not tainted 6.1.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__lock_is_held kernel/locking/lockdep.c:5407 [inline]
RIP: 0010:lock_is_held_type+0x9a/0x140 kernel/locking/lockdep.c:5711
Code: 0a 00 00 65 ff 05 a6 8f 73 76 85 c0 7f 12 e9 8a 00 00 00 83 c3 01 41 3b 9c 24 48 0a 00 00 7d 7d 48 63 c3 48 89 ee 48 8d 04 80 <4d> 8d 7c c5 00 4c 89 ff e8 99 fe ff ff 85 c0 74 d8 41 83 fe ff 41
RSP: 0018:ffffc9001500fb40 EFLAGS: 00000002
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8bf888c0 RDI: 0000000000000000
RBP: ffffffff8bf888c0 R08: 0000000000000000 R09: ffffffff8de22f97
R10: fffffbfff1bc45f2 R11: 0000000000000000 R12: ffff888072599d40
R13: ffff88807259a790 R14: 00000000ffffffff R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c0032c5000 CR3: 000000007f205000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_is_held include/linux/lockdep.h:283 [inline]
rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125
trace_lock_acquire include/trace/events/lock.h:24 [inline]
lock_acquire+0x4fc/0x630 kernel/locking/lockdep.c:5639
rcu_lock_acquire include/linux/rcupdate.h:304 [inline]
rcu_read_lock include/linux/rcupdate.h:738 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0x12d/0xfa0 net/batman-adv/network-coding.c:719
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306