INFO: task kworker/0:0:7 blocked for more than 143 seconds.
Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0 state:D stack:27944 pid:7 ppid:2 flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
rfkill_global_led_trigger_worker+0x1b/0x120 net/rfkill/core.c:181
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task syz-executor370:3684 blocked for more than 143 seconds.
Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor370 state:D stack:27000 pid:3684 ppid:3639 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1130
nfc_unregister_device+0x96/0x330 net/nfc/core.c:1167
virtual_ncidev_close+0x71/0x90 drivers/nfc/virtual_ncidev.c:166
__fput+0x27c/0xa90 fs/file_table.c:320
task_work_run+0x16f/0x270 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xb3d/0x2a30 kernel/exit.c:820
do_group_exit+0xd4/0x2a0 kernel/exit.c:950
__do_sys_exit_group kernel/exit.c:961 [inline]
__se_sys_exit_group kernel/exit.c:959 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:959
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f09da2cdaf9
RSP: 002b:00007ffce9d1cf38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f09da341330 RCX: 00007f09da2cdaf9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000246 R12: 00007f09da341330
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
INFO: task syz-executor370:3693 blocked for more than 143 seconds.
Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor370 state:D stack:28016 pid:3693 ppid:3640 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
rfkill_fop_open+0x149/0x760 net/rfkill/core.c:1163
misc_open+0x37a/0x4a0 drivers/char/misc.c:143
chrdev_open+0x26a/0x770 fs/char_dev.c:414
do_dentry_open+0x6cc/0x13f0 fs/open.c:882
do_open fs/namei.c:3557 [inline]
path_openat+0x1bf6/0x2860 fs/namei.c:3714
do_filp_open+0x1ba/0x410 fs/namei.c:3741
do_sys_openat2+0x16d/0x4c0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x143/0x1f0 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f09da2cee69
RSP: 002b:00007ffce9d1cf88 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f09da2cee69
RDX: 0000000000022002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000cd08
R13: 00007ffce9d1cf9c R14: 00007ffce9d1cfb0 R15: 00007ffce9d1cfa0
INFO: task syz-executor370:3694 blocked for more than 144 seconds.
Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor370 state:D stack:27904 pid:3694 ppid:3642 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
rfkill_fop_release+0x4b/0x300 net/rfkill/core.c:1312
__fput+0x27c/0xa90 fs/file_table.c:320
task_work_run+0x16f/0x270 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xb3d/0x2a30 kernel/exit.c:820
do_group_exit+0xd4/0x2a0 kernel/exit.c:950
__do_sys_exit_group kernel/exit.c:961 [inline]
__se_sys_exit_group kernel/exit.c:959 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:959
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f09da2cdaf9
RSP: 002b:00007ffce9d1cf38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f09da341330 RCX: 00007f09da2cdaf9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000246 R12: 00007f09da341330
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
INFO: task syz-executor370:3697 blocked for more than 144 seconds.
Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor370 state:D stack:28232 pid:3697 ppid:3643 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
device_lock include/linux/device.h:835 [inline]
nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
nfc_rfkill_set_block+0x33/0xd0 net/nfc/core.c:179
rfkill_set_block+0x1f9/0x540 net/rfkill/core.c:345
rfkill_fop_write+0x2c7/0x570 net/rfkill/core.c:1286
vfs_write+0x2db/0xdd0 fs/read_write.c:582
ksys_write+0x1ec/0x250 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f09da2cee69
RSP: 002b:00007ffce9d1cf88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f09da2cee69
RDX: 0000000000000008 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000cd07
R13: 00007ffce9d1cf9c R14: 00007ffce9d1cfb0 R15: 00007ffce9d1cfa0
INFO: task syz-executor370:3698 blocked for more than 144 seconds.
Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor370 state:D stack:28232 pid:3698 ppid:3645 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
misc_open+0x63/0x4a0 drivers/char/misc.c:107
chrdev_open+0x26a/0x770 fs/char_dev.c:414
do_dentry_open+0x6cc/0x13f0 fs/open.c:882
do_open fs/namei.c:3557 [inline]
path_openat+0x1bf6/0x2860 fs/namei.c:3714
do_filp_open+0x1ba/0x410 fs/namei.c:3741
do_sys_openat2+0x16d/0x4c0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x143/0x1f0 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f09da2cee69
RSP: 002b:00007ffce9d1cf88 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f09da2cee69
RDX: 0000000000000002 RSI: 0000000020002100 RDI: ffffffffffffff9c
RBP: 0000000000000000 R08: 00007ffce9d1ca00 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000cd08
R13: 00007ffce9d1cf9c R14: 00007ffce9d1cfb0 R15: 00007ffce9d1cfa0
INFO: task syz-executor370:3700 blocked for more than 144 seconds.
Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor370 state:D stack:28232 pid:3700 ppid:3637 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5209 [inline]
__schedule+0xae9/0x53f0 kernel/sched/core.c:6521
schedule+0xde/0x1b0 kernel/sched/core.c:6597
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6656
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
misc_open+0x63/0x4a0 drivers/char/misc.c:107
chrdev_open+0x26a/0x770 fs/char_dev.c:414
do_dentry_open+0x6cc/0x13f0 fs/open.c:882
do_open fs/namei.c:3557 [inline]
path_openat+0x1bf6/0x2860 fs/namei.c:3714
do_filp_open+0x1ba/0x410 fs/namei.c:3741
do_sys_openat2+0x16d/0x4c0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x143/0x1f0 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f09da2cee69
RSP: 002b:00007ffce9d1cf88 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f09da2cee69
RDX: 0000000000000002 RSI: 0000000020002100 RDI: ffffffffffffff9c
RBP: 0000000000000000 R08: 00007ffce9d1ca00 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000cd08
R13: 00007ffce9d1cf9c R14: 00007ffce9d1cfb0 R15: 00007ffce9d1cfa0
Showing all locks held in the system:
3 locks held by kworker/0:0/7:
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260
#1: ffffc900000c7da8 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264
#2: ffffffff8e2d00e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x1b/0x120 net/rfkill/core.c:181
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8c58f0f0 (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: ffffffff8c58edf0 (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/27:
#0: ffffffff8c58fc40 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494
5 locks held by kworker/u4:2/40:
2 locks held by getty/3308:
#0: ffff88814af96098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177
2 locks held by syz-executor370/3684:
#0: ffff888017e02100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#0: ffff888017e02100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x62/0x330 net/nfc/core.c:1165
#1: ffffffff8e2d00e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1130
2 locks held by syz-executor370/3693:
#0: ffffffff8d03bea8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:107
#1: ffffffff8e2d00e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_open+0x149/0x760 net/rfkill/core.c:1163
1 lock held by syz-executor370/3694:
#0: ffffffff8e2d00e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_release+0x4b/0x300 net/rfkill/core.c:1312
2 locks held by syz-executor370/3697:
#0: ffffffff8e2d00e8 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x160/0x570 net/rfkill/core.c:1278
#1: ffff888017e02100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
#1: ffff888017e02100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
1 lock held by syz-executor370/3698:
#0: ffffffff8d03bea8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:107
1 lock held by syz-executor370/3700:
#0: ffffffff8d03bea8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x63/0x4a0 drivers/char/misc.c:107
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #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+0xd1/0x138 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x333/0x3c0 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+0xc75/0xfc0 kernel/hung_task.c:377
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x1fd/0x2a0 drivers/acpi/processor_idle.c:572