INFO: task kworker/1:0:25 blocked for more than 143 seconds.
Not tainted 6.10.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D
stack:21680 pid:25 tgid:25 ppid:2 flags:0x00004000
Workqueue: events_long serio_handle_event
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6924
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6948
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
_raw_spin_unlock_irqrestore+0x130/0x140 kernel/locking/spinlock.c:194
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
prepare_to_wait_event+0x3ba/0x400 kernel/sched/wait.c:300
ps2_do_sendbyte+0x396/0x730 drivers/input/serio/libps2.c:63
__ps2_command+0x3bd/0xc20 drivers/input/serio/libps2.c:325
ps2_command+0x88/0x100 drivers/input/serio/libps2.c:406
psmouse_extensions+0xd20/0x1560 drivers/input/mouse/psmouse-base.c:1208
psmouse_switch_protocol+0x308/0x7d0 drivers/input/mouse/psmouse-base.c:1537
psmouse_connect+0x8e4/0x14b0 drivers/input/mouse/psmouse-base.c:1626
serio_connect_driver drivers/input/serio/serio.c:44 [inline]
serio_driver_probe+0x7f/0xa0 drivers/input/serio/serio.c:775
really_probe+0x2b8/0xad0 drivers/base/dd.c:656
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:798
driver_probe_device+0x50/0x430 drivers/base/dd.c:828
__device_attach_driver+0x2d6/0x530 drivers/base/dd.c:956
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:457
__device_attach+0x333/0x520 drivers/base/dd.c:1028
bus_probe_device+0x189/0x260 drivers/base/bus.c:532
device_add+0x856/0xbf0 drivers/base/core.c:3679
serio_add_port drivers/input/serio/serio.c:539 [inline]
serio_handle_event+0x758/0x920 drivers/input/serio/serio.c:207
process_one_work kernel/workqueue.c:3248 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329
worker_thread+0x86d/0xd50 kernel/workqueue.c:3409
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
INFO: task udevd:4548 blocked for more than 145 seconds.
Not tainted 6.10.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:22048 pid:4548 tgid:4548 ppid:1 flags:0x00000002
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
device_lock include/linux/device.h:1009 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2743
dev_attr_show+0x55/0xc0 drivers/base/core.c:2437
sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x445/0xd60 fs/seq_file.c:230
new_sync_read fs/read_write.c:395 [inline]
vfs_read+0x9bd/0xbc0 fs/read_write.c:476
ksys_read+0x1a0/0x2c0 fs/read_write.c:619
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f27e9516b6a
RSP: 002b:00007fff263439e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00005610cebf7150 RCX: 00007f27e9516b6a
RDX: 0000000000001000 RSI: 00005610cebfe900 RDI: 000000000000000c
RBP: 00005610cebf7150 R08: 000000000000000c R09: 0000000000000080
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fff26343ec8 R15: 000000000000000a
</TASK>
INFO: task syz.2.4768:22981 blocked for more than 146 seconds.
Not tainted 6.10.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.4768 state:D stack:24992 pid:22981 tgid:22981 ppid:22489 flags:0x00000004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
serio_unregister_port+0x2f/0x140 drivers/input/serio/serio.c:704
userio_char_release+0x8e/0xc0 drivers/input/serio/userio.c:111
__fput+0x24a/0x8a0 fs/file_table.c:422
task_work_run+0x24f/0x310 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x168/0x360 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc5da975bd9
RSP: 002b:00007fc5dac2fb48 EFLAGS: 00000246
ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fc5dab05a60 RCX: 00007fc5da975bd9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fc5dab05a60 R08: 0000000000000006 R09: 00000006dac2fe7f
R10: 00000000005fd5a8 R11: 0000000000000246 R12: 00000000000fd638
R13: 0000000000000032 R14: 00007fc5dab05a60 R15: 00007fc5dab04038
</TASK>
INFO: task syz.3.4771:22996 blocked for more than 147 seconds.
Not tainted 6.10.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.4771 state:D stack:27360 pid:22996 tgid:22988 ppid:22415 flags:0x00004004
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xaa9/0xd00 kernel/workqueue.c:4227
__lru_add_drain_all+0x4f6/0x560 mm/swap.c:902
do_migrate_pages+0xbb/0xa30 mm/mempolicy.c:1117
kernel_migrate_pages mm/mempolicy.c:1709 [inline]
__do_sys_migrate_pages mm/mempolicy.c:1727 [inline]
__se_sys_migrate_pages+0x6be/0x740 mm/mempolicy.c:1723
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4364975bd9
RSP: 002b:00007f4365726048 EFLAGS: 00000246
ORIG_RAX: 0000000000000100
RAX: ffffffffffffffda RBX: 00007f4364b04038 RCX: 00007f4364975bd9
RDX: 00000000200002c0 RSI: 0000000000000003 RDI: 0000000000000000
RBP: 00007f43649e4aa1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000300 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f4364b04038 R15: 00007f4364c2fa68
</TASK>
Showing all locks held in the system:
7 locks held by kworker/1:0/25:
#0: ffff888015081148 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff888015081148 ((wq_completion)events_long){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1: ffffc900001f7d00 (serio_event_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
#1: ffffc900001f7d00 (serio_event_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: ffffffff8f09ecc8 (serio_mutex){+.+.}-{3:3}, at: serio_handle_event+0x25/0x920 drivers/input/serio/serio.c:200
#3: ffff888078f682e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#3: ffff888078f682e8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1003
#4:
ffff888078f681d8
(
&serio->drv_mutex){+.+.}-{3:3}
, at: serio_connect_driver drivers/input/serio/serio.c:43 [inline]
, at: serio_driver_probe+0x59/0xa0 drivers/input/serio/serio.c:775
#5: ffffffff8f0ae7c8
(
psmouse_mutex){+.+.}-{3:3}, at: psmouse_connect+0x98/0x14b0 drivers/input/mouse/psmouse-base.c:1583
#6: ffff888068c80880 (&ps2dev->cmd_mutex){+.+.}-{3:3}, at: ps2_begin_command drivers/input/serio/libps2.c:133 [inline]
#6: ffff888068c80880 (&ps2dev->cmd_mutex){+.+.}-{3:3}, at: ps2_command+0x7a/0x100 drivers/input/serio/libps2.c:405
1 lock held by khungtaskd/30:
#0: ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8e333f20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
6 locks held by kworker/u8:2/35:
#0:
ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1: ffffc90000ab7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
#1: ffffc90000ab7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2:
ffffffff8f5da590 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
#3: ffff88806d31b0e8
(&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:1009 [inline]
, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
, at: devlink_pernet_pre_exit+0x13b/0x440 net/devlink/core.c:506
#4: ffff88806d318250 (&devlink->lock_key#98){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff88806d318250 (&devlink->lock_key#98){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff88806d318250 (&devlink->lock_key#98){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506
#5:
ffffffff8f5e6dc8
(
rtnl_mutex){+.+.}-{3:3}, at: nsim_init_netdevsim drivers/net/netdevsim/netdev.c:678 [inline]
rtnl_mutex){+.+.}-{3:3}, at: nsim_create+0x408/0x890 drivers/net/netdevsim/netdev.c:750
3 locks held by kworker/u8:3/51:
#0: ffff88802a55c148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff88802a55c148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1:
ffffc90000bb7d00
((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3224 [inline]
((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4733
4 locks held by udevd/4548:
#0:
ffff88806525d2f0
(&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182
#1: ffff88802aa2a888 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154
#2: ffff888061ef9008 (kn->active#5){++++}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155
#3: ffff888078f682e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
#3: ffff888078f682e8 (&dev->mutex){....}-{3:3}, at: uevent_show+0x17d/0x340 drivers/base/core.c:2743
2 locks held by getty/4853:
#0:
ffff88802f6fa0a0
(
&tty->ldisc_sem){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1:
ffffc90002f0e2f0
(
&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
3 locks held by kworker/1:6/5152:
3 locks held by kworker/0:9/10195:
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3223 [inline]
#0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3329
#1:
ffffc900040bfd00
(
(linkwatch_work).work
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3224 [inline]
, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3329
#2: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
7 locks held by kworker/1:3/17276:
4 locks held by udevd/21341:
#0:
ffff88806525d8b8
(
&p->lock
){+.+.}-{3:3}, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182
#1: ffff88802331cc88 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154
#2: ffff888064be0c38 (kn->active#27){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155
#3: ffff888053fd5190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:1014 [inline]
#3: ffff888053fd5190 (&dev->mutex){....}-{3:3}, at: serial_show+0x26/0xa0 drivers/usb/core/sysfs.c:143
1 lock held by syz.2.4768/22981:
#0: ffffffff8f09ecc8 (serio_mutex){+.+.}-{3:3}, at: serio_unregister_port+0x2f/0x140 drivers/input/serio/serio.c:704
1 lock held by syz.3.4771/22996:
#0: ffffffff8e3eca88
(lock#3){+.+.}-{3:3}, at: __lru_add_drain_all+0x66/0x560 mm/swap.c:857
1 lock held by syz.0.4801/23079:
#0: ffffffff8e3eca88 (lock#3){+.+.}-{3:3}, at: __lru_add_drain_all+0x66/0x560 mm/swap.c:857
2 locks held by syz-executor/23114:
#0: ffffffff8f5da590 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504
#1: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}
, at: cangw_pernet_exit_batch+0x20/0x90 net/can/gw.c:1257
2 locks held by syz-executor/23117:
#0:
ffffffff8f5da590 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4c6/0x7b0 net/core/net_namespace.c:504
#1:
ffffffff8f5e6dc8
(
rtnl_mutex
){+.+.}-{3:3}, at: ipmr_net_exit_batch+0x20/0x90 net/ipv4/ipmr.c:3130
1 lock held by syz-executor/23123:
#0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500
2 locks held by syz-executor/23126:
#0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500
#1:
ffffffff8ec5d9a8
(gdp_mutex){+.+.}-{3:3}, at: cleanup_glue_dir+0xbf/0x210 drivers/base/core.c:3353
1 lock held by syz-executor/23131:
#0: ffffffff8f5e6dc8 (rtnl_mutex
){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632
1 lock held by syz-executor/23137:
#0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632
1 lock held by syz-executor/23149:
#0: ffffffff8f5e6dc8
(
rtnl_mutex
){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632
1 lock held by syz-executor/23151:
#0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f5e6dc8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632
1 lock held by syz-executor/23154:
#0:
ffffffff8f5e6dc8
(
rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x1180 net/core/rtnetlink.c:6632
2 locks held by syz-executor/23166:
#0: ffff888069aaa118
(&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device+0x34/0x6d0 drivers/bluetooth/hci_vhci.c:471
#1: ffffffff8ec5d9a8 (gdp_mutex){+.+.}-{3:3}, at: get_device_parent+0x1a5/0x410 drivers/base/core.c:3256
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
Sending NMI from CPU 0 to CPUs 1:
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
NMI backtrace for cpu 1
CPU: 1 PID: 57 Comm: kworker/1:1H Not tainted 6.10.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: 0x0 (kblockd)
RIP: 0010:delay_tsc+0x5c/0xe0 arch/x86/lib/delay.c:79
Code: 90 48 89 d5 48 c1 e5 20 48 09 c5 48 29 dd 4c 39 f5 73 67 bf 01 00 00 00 e8 01 8f e3 f5 65 8b 05 12 c6 81 74 85 c0 74 2f f3 90 <bf> 01 00 00 00 e8 4a 8d e3 f5 e8 05 f5 03 00 41 39 c7 75 20 0f 01
RSP: 0018:ffffc90000a178f8 EFLAGS: 00000086
RAX: 0000000080010103 RBX: 0000026b8b8816be RCX: 0000000000010104
RDX: 000000000000026b RSI: ffffffff8c1fe920 RDI: 0000000000000001
RBP: 00000000000006bd R08: ffffffff853ba7fa R09: 1ffff11003f75046
R10: dffffc0000000000 R11: ffffffff8b820e60 R12: dffffc0000000000
R13: 00000000000026a6 R14: 0000000000000899 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f914ff8 CR3: 000000000e132000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 000000000000000a DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<IRQ>
wait_for_lsr drivers/tty/serial/8250/8250_port.c:2074 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3315 [inline]
serial8250_console_write+0x104e/0x1770 drivers/tty/serial/8250/8250_port.c:3393
console_emit_next_record kernel/printk/printk.c:2913 [inline]
console_flush_all+0x865/0xfd0 kernel/printk/printk.c:2979
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3048
vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2348
dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4909
dev_printk_emit+0xdd/0x120 drivers/base/core.c:4920
_dev_warn+0x122/0x170 drivers/base/core.c:4976
usb_rx_callback_intf0+0x15a/0x1a0 drivers/media/rc/imon.c:1771
__usb_hcd_giveback_urb+0x42c/0x6e0 drivers/usb/core/hcd.c:1650
dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 8e 17 6b f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 53 d8 d4 f5 65 8b 05 64 0f 73 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc90000a189c0 EFLAGS: 00000206
RAX: edb2b60281cb0b00 RBX: 1ffff9200014313c RCX: ffffffff8172da6a
RDX: dffffc0000000000 RSI: ffffffff8bcabb20 RDI: 0000000000000001
RBP: ffffc90000a18a50 R08: ffffffff92fa7617 R09: 1ffffffff25f4ec2
R10: dffffc0000000000 R11: fffffbfff25f4ec3 R12: dffffc0000000000
R13: 1ffff92000143138 R14: ffffc90000a189e0 R15: 0000000000000246
__mod_timer+0xb89/0xeb0 kernel/time/timer.c:1186
call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792
expire_timers kernel/time/timer.c:1843 [inline]
__run_timers kernel/time/timer.c:2417 [inline]
__run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2428
run_timer_base kernel/time/timer.c:2437 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447
handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__page_table_check_zero+0x5/0x350 mm/page_table_check.c:142
Code: e1 52 d8 ff 90 0f 0b e8 19 8f 8e ff 90 0f 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 <41> 57 41 56 41 55 41 54 53 50 89 74 24 04 49 89 fe 48 bd 00 00 00
RSP: 0018:ffffc9000132f9f8 EFLAGS: 00000282
RAX: ffffffff8205edf9 RBX: 0000000000000000 RCX: ffff88801c293c00
RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffffea0001607a00
RBP: 0000000000000000 R08: ffffffff8205edf0 R09: 1ffff1100c75865b
R10: dffffc0000000000 R11: ffffed100c75865c R12: ffffea0001607a00
R13: 0000000000000003 R14: 1ffffd40002c0f41 R15: ffffea0001607a08
page_table_check_free include/linux/page_table_check.h:41 [inline]
free_pages_prepare mm/page_alloc.c:1094 [inline]
free_unref_page+0xd36/0xea0 mm/page_alloc.c:2588
discard_slab mm/slub.c:2527 [inline]
__put_partials+0xeb/0x130 mm/slub.c:2995
put_cpu_partial+0x17c/0x250 mm/slub.c:3070
__slab_free+0x2ea/0x3d0 mm/slub.c:4308
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9e/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3940 [inline]
slab_alloc_node mm/slub.c:4002 [inline]
kmalloc_node_trace_noprof+0x166/0x300 mm/slub.c:4162
kmalloc_node_noprof include/linux/slab.h:677 [inline]
alloc_worker kernel/workqueue.c:2659 [inline]
create_worker+0x11b/0x720 kernel/workqueue.c:2791
maybe_create_worker kernel/workqueue.c:3073 [inline]
manage_workers kernel/workqueue.c:3125 [inline]
worker_thread+0x317/0xd50 kernel/workqueue.c:3384
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored
imon 2-1:0.0: imon usb_rx_callback_intf0: status(-71): ignored