INFO: task kworker/u4:3:295 blocked for more than 143 seconds.
Not tainted 5.15.179-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:3 state:D stack: 0 pid: 295 ppid: 2 flags:0x00000008
Workqueue: netns cleanup_net
Call trace:
__switch_to+0x308/0x588 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5029 [inline]
__schedule+0xf10/0x1e48 kernel/sched/core.c:6375
schedule+0x11c/0x1c8 kernel/sched/core.c:6458
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6517
__mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1118
wiphy_unregister+0x1ec/0xc18 net/wireless/core.c:1017
ieee80211_unregister_hw+0x11c/0x1ec net/mac80211/main.c:1418
mac80211_hwsim_del_radio+0x21c/0x3d8 drivers/net/wireless/mac80211_hwsim.c:3473
hwsim_exit_net+0x51c/0x5e4 drivers/net/wireless/mac80211_hwsim.c:4243
ops_exit_list net/core/net_namespace.c:172 [inline]
cleanup_net+0x644/0xa9c net/core/net_namespace.c:618
process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
worker_thread+0x910/0x1034 kernel/workqueue.c:2457
kthread+0x37c/0x45c kernel/kthread.c:334
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
INFO: task kworker/1:3:1975 blocked for more than 143 seconds.
Not tainted 5.15.179-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack: 0 pid: 1975 ppid: 2 flags:0x00000008
Workqueue: events rfkill_global_led_trigger_worker
Call trace:
__switch_to+0x308/0x588 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5029 [inline]
__schedule+0xf10/0x1e48 kernel/sched/core.c:6375
schedule+0x11c/0x1c8 kernel/sched/core.c:6458
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6517
__mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
rfkill_global_led_trigger_worker+0x30/0xe4 net/rfkill/core.c:181
process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
worker_thread+0x910/0x1034 kernel/workqueue.c:2457
kthread+0x37c/0x45c kernel/kthread.c:334
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
INFO: task udevd:3647 blocked for more than 143 seconds.
Not tainted 5.15.179-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack: 0 pid: 3647 ppid: 1 flags:0x00000004
Call trace:
__switch_to+0x308/0x588 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5029 [inline]
__schedule+0xf10/0x1e48 kernel/sched/core.c:6375
schedule+0x11c/0x1c8 kernel/sched/core.c:6458
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6517
__mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
device_lock include/linux/device.h:760 [inline]
uevent_show+0x17c/0x340 drivers/base/core.c:2408
dev_attr_show+0x60/0xcc drivers/base/core.c:2110
sysfs_kf_seq_show+0x2b4/0x448 fs/sysfs/file.c:61
kernfs_seq_show+0x118/0x154 fs/kernfs/file.c:168
seq_read_iter+0x3e0/0xc44 fs/seq_file.c:230
kernfs_fop_read_iter+0x140/0x50c fs/kernfs/file.c:241
call_read_iter include/linux/fs.h:2166 [inline]
new_sync_read fs/read_write.c:404 [inline]
vfs_read+0x874/0xb18 fs/read_write.c:485
ksys_read+0x15c/0x26c fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__arm64_sys_read+0x7c/0x90 fs/read_write.c:631
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
INFO: task syz-executor:4028 blocked for more than 143 seconds.
Not tainted 5.15.179-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack: 0 pid: 4028 ppid: 1 flags:0x0000000c
Call trace:
__switch_to+0x308/0x588 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5029 [inline]
__schedule+0xf10/0x1e48 kernel/sched/core.c:6375
schedule+0x11c/0x1c8 kernel/sched/core.c:6458
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6517
__mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1118
hci_unregister_dev+0x360/0x4d4 net/bluetooth/hci_core.c:4057
vhci_release+0x74/0xc4 drivers/bluetooth/hci_vhci.c:345
__fput+0x1c4/0x800 fs/file_table.c:311
____fput+0x20/0x30 fs/file_table.c:339
task_work_run+0x130/0x1e4 kernel/task_work.c:188
exit_task_work include/linux/task_work.h:33 [inline]
do_exit+0x670/0x20bc kernel/exit.c:874
do_group_exit+0x110/0x268 kernel/exit.c:996
__do_sys_exit_group kernel/exit.c:1007 [inline]
__se_sys_exit_group kernel/exit.c:1005 [inline]
__wake_up_parent+0x0/0x60 kernel/exit.c:1005
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
INFO: task syz-executor:4556 blocked for more than 143 seconds.
Not tainted 5.15.179-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack: 0 pid: 4556 ppid: 1 flags:0x00000001
Call trace:
__switch_to+0x308/0x588 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5029 [inline]
__schedule+0xf10/0x1e48 kernel/sched/core.c:6375
schedule+0x11c/0x1c8 kernel/sched/core.c:6458
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6517
__mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
rfkill_fop_open+0x12c/0x5c8 net/rfkill/core.c:1151
misc_open+0x2f0/0x368 drivers/char/misc.c:141
chrdev_open+0x3e8/0x4fc fs/char_dev.c:414
do_dentry_open+0x780/0xed8 fs/open.c:826
vfs_open+0x7c/0x90 fs/open.c:956
do_open fs/namei.c:3608 [inline]
path_openat+0x1ea0/0x26cc fs/namei.c:3742
do_filp_open+0x1a8/0x3b4 fs/namei.c:3769
do_sys_openat2+0x128/0x3e0 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1280
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
INFO: task syz.5.129:4695 blocked for more than 143 seconds.
Not tainted 5.15.179-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.129 state:D stack: 0 pid: 4695 ppid: 4362 flags:0x00000009
Call trace:
__switch_to+0x308/0x588 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5029 [inline]
__schedule+0xf10/0x1e48 kernel/sched/core.c:6375
schedule+0x11c/0x1c8 kernel/sched/core.c:6458
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6517
__mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1118
nfc_unregister_device+0x98/0x290 net/nfc/core.c:1167
nci_unregister_device+0x1e0/0x22c net/nfc/nci/core.c:1315
virtual_ncidev_close+0x70/0xb0 drivers/nfc/virtual_ncidev.c:170
__fput+0x1c4/0x800 fs/file_table.c:311
____fput+0x20/0x30 fs/file_table.c:339
task_work_run+0x130/0x1e4 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946
prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
INFO: task syz.0.131:4716 blocked for more than 143 seconds.
Not tainted 5.15.179-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.131 state:D stack: 0 pid: 4716 ppid: 4032 flags:0x00000009
Call trace:
__switch_to+0x308/0x588 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5029 [inline]
__schedule+0xf10/0x1e48 kernel/sched/core.c:6375
schedule+0x11c/0x1c8 kernel/sched/core.c:6458
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6517
__mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0xa4/0xf8 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+0x50/0x2d0 net/nfc/core.c:179
rfkill_set_block+0x18c/0x37c net/rfkill/core.c:345
rfkill_fop_write+0x594/0x750 net/rfkill/core.c:1274
vfs_write+0x280/0xb44 fs/read_write.c:592
ksys_write+0x15c/0x26c fs/read_write.c:647
__do_sys_write fs/read_write.c:659 [inline]
__se_sys_write fs/read_write.c:656 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:656
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
INFO: task syz.3.142:4772 blocked for more than 143 seconds.
Not tainted 5.15.179-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.142 state:D stack: 0 pid: 4772 ppid: 4037 flags:0x00000001
Call trace:
__switch_to+0x308/0x588 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5029 [inline]
__schedule+0xf10/0x1e48 kernel/sched/core.c:6375
schedule+0x11c/0x1c8 kernel/sched/core.c:6458
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6517
__mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
misc_open+0x6c/0x368 drivers/char/misc.c:107
chrdev_open+0x3e8/0x4fc fs/char_dev.c:414
do_dentry_open+0x780/0xed8 fs/open.c:826
vfs_open+0x7c/0x90 fs/open.c:956
do_open fs/namei.c:3608 [inline]
path_openat+0x1ea0/0x26cc fs/namei.c:3742
do_filp_open+0x1a8/0x3b4 fs/namei.c:3769
do_sys_openat2+0x128/0x3e0 fs/open.c:1253
do_sys_open fs/open.c:1269 [inline]
__do_sys_openat fs/open.c:1285 [inline]
__se_sys_openat fs/open.c:1280 [inline]
__arm64_sys_openat+0x1f0/0x240 fs/open.c:1280
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffff800014d41b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311
4 locks held by kworker/u4:3/295:
#0: ffff0000c038c138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff80001f9e7c00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
#2: ffff800016caa8d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0xa9c net/core/net_namespace.c:572
#3: ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1118
3 locks held by kworker/1:3/1975:
#0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff8000252b7c00 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
#2: ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x30/0xe4 net/rfkill/core.c:181
4 locks held by udevd/3647:
#0: ffff0000d1208540 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xac/0xc44 fs/seq_file.c:182
#1: ffff0000e7757c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x58/0x3a0 fs/kernfs/file.c:112
#2: ffff0000e8e1e3a8 (kn->active#2){++++}-{0:0}, at: kernfs_seq_start+0x74/0x3a0 fs/kernfs/file.c:113
#3: ffff0000e721f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#3: ffff0000e721f190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x17c/0x340 drivers/base/core.c:2408
2 locks held by getty/3793:
#0: ffff0000d4b02098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
#1: ffff80001d6ce2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158
1 lock held by syz-executor/4028:
#0: ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1118
2 locks held by syz-executor/4556:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
#1: ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_open+0x12c/0x5c8 net/rfkill/core.c:1151
2 locks held by syz.5.129/4695:
#0: ffff0000e721f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#0: ffff0000e721f190 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x6c/0x290 net/nfc/core.c:1165
#1: ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xb8/0x210 net/rfkill/core.c:1118
2 locks held by syz.0.131/4716:
#0: ffff800016f3ae48 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x250/0x750 net/rfkill/core.c:1266
#1: ffff0000e721f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
#1: ffff0000e721f190 (&dev->mutex){....}-{3:3}, at: nfc_dev_down net/nfc/core.c:143 [inline]
#1: ffff0000e721f190 (&dev->mutex){....}-{3:3}, at: nfc_rfkill_set_block+0x50/0x2d0 net/nfc/core.c:179
1 lock held by syz.3.142/4772:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4899:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4902:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4905:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4907:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4909:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4915:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4917:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4919:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4921:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4923:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4931:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4933:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4935:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
1 lock held by syz-executor/4937:
#0: ffff800015d013c8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x6c/0x368 drivers/char/misc.c:107
=============================================