rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-....: (1 ticks this GP) idle=9abc/1/0x4000000000000000 softirq=16210/16210 fqs=4
rcu: hardirqs softirqs csw/system
rcu: number: 5 7 1
rcu: cputime: 0 1 0 ==> 51610(ms)
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1):
P5841/1:b..l
rcu: (detected by 1, t=10505 jiffies, g=10301, q=677 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.16.0-rc6-syzkaller-00037-ge2291551827f #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events_long defense_work_handler
RIP: 0010:io_serial_out+0x7c/0xc0 drivers/tty/serial/8250/8250_port.c:416
Code: 9b 78 fc 44 89 f9 d3 e5 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 fc 1b dc fc 41 03 2e 89 d8 89 ea ee <5b> 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc 44 89 f9 80 e1 07 38 c1
RSP: 0018:ffffc90000006a10 EFLAGS: 00000002
RAX: 0000000000000020 RBX: 0000000000000020 RCX: 0000000000000000
RDX: 00000000000003f8 RSI: 0000000000000000 RDI: 0000000000000020
RBP: 00000000000003f8 R08: ffff888024ad0237 R09: 1ffff1100495a046
R10: dffffc0000000000 R11: ffffffff85479720 R12: dffffc0000000000
R13: ffffffff99af9882 R14: ffffffff99dfe700 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7f8aad1950 CR3: 000000000df38000 CR4: 00000000003526f0
Call Trace:
serial_port_out include/linux/serial_core.h:798 [inline]
serial8250_console_putchar drivers/tty/serial/8250/8250_port.c:3306 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:-1 [inline]
serial8250_console_write+0x1410/0x1ba0 drivers/tty/serial/8250/8250_port.c:3456
console_emit_next_record kernel/printk/printk.c:3138 [inline]
console_flush_all+0x728/0xc40 kernel/printk/printk.c:3226
__console_flush_and_unlock kernel/printk/printk.c:3285 [inline]
console_unlock+0xc4/0x270 kernel/printk/printk.c:3325
vprintk_emit+0x5b7/0x7a0 kernel/printk/printk.c:2450
_printk+0xcf/0x120 kernel/printk/printk.c:2475
print_task kernel/sched/debug.c:760 [inline]
print_rq kernel/sched/debug.c:807 [inline]
print_cpu+0x1340/0x22f0 kernel/sched/debug.c:1000
sysrq_sched_debug_show+0x73/0x90 kernel/sched/debug.c:1084
show_state_filter+0x23a/0x2b0 kernel/sched/core.c:7803
kbd_keycode drivers/tty/vt/keyboard.c:1515 [inline]
kbd_event+0x2bdd/0x3ec0 drivers/tty/vt/keyboard.c:1534
input_handle_events_default+0xd4/0x1a0 drivers/input/input.c:2575
input_pass_values+0x285/0x890 drivers/input/input.c:127
input_event_dispose+0x330/0x6b0 drivers/input/input.c:341
input_event+0x8c/0xc0 drivers/input/input.c:395
input_sync include/linux/input.h:464 [inline]
hidinput_report_event+0xa1/0x100 drivers/hid/hid-input.c:1733
hid_report_raw_event+0x148b/0x16d0 drivers/hid/hid-core.c:2068
__hid_input_report drivers/hid/hid-core.c:2131 [inline]
hid_input_report+0x43e/0x520 drivers/hid/hid-core.c:2153
hid_irq_in+0x47e/0x6d0 drivers/hid/usbhid/hid-core.c:286
__usb_hcd_giveback_urb+0x417/0x690 drivers/usb/core/hcd.c:1650
dummy_timer+0x862/0x4550 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x529/0xc60 kernel/time/hrtimer.c:1825
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842
handle_softirqs+0x286/0x870 kernel/softirq.c:579
do_softirq+0xec/0x180 kernel/softirq.c:480
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:407
local_bh_enable include/linux/bottom_half.h:33 [inline]
update_defense_level+0x8d2/0xd80 net/netfilter/ipvs/ip_vs_ctl.c:210
defense_work_handler+0x2d/0xd0 net/netfilter/ipvs/ip_vs_ctl.c:235
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/0:3 state:R
0 0
running task stack:21720 pid:5841 tgid:5841 ppid:2 task_flags:0x4208060 flags:0x00004000
/
Workqueue: usb_hub_wq hub_event
Call Trace:
S
cec-vivid-006-v 2490 12213.595165 E 12214.981438 1.400000 0.103114 2 120
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
0.000000 0.000000 0.000000
0 0
/
S
cec-vivid-007-v 2506 12352.160976 E 12353.542364 1.400000 0.107027 2 120
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7109
0.000000 0.000000 0.000000
0 0
/
irqentry_exit+0x6f/0x90 kernel/entry/common.c:307
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
S
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:218 [inline]
RIP: 0010:unwind_next_frame+0x223/0x2390 arch/x86/kernel/unwind_orc.c:494
cec-vivid-008-v 2522 12491.688896 E 12493.069640 1.400000 0.106047 2 120
Code: 86 65 18 00 00 44 89 f8 4c 8d 2c 85 60 19 de 90 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 48 89 eb 0f 85 1c 1c 00 00 45 8b 6d 00 <44> 89 f8 ff c0 48 8d 2c 85 60 19 de 90 48 89 e8 48 c1 e8 03 0f b6
0.000000 0.000000 0.000000
RSP: 0018:ffffc9000403e798 EFLAGS: 00000246
0 0
/
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 8a8f00b5affbda00
RDX: 00000000000a730d RSI: ffffffff8be29d60 RDI: ffffffff8be29d20
S
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8172aae5
cec-vivid-009-v 2538 12629.896404 E 12631.277207 1.400000 0.112462 2 120
R10: ffffc9000403e8b8 R11: ffffffff81ad00a0 R12: ffffffff85f773ad
0.000000 0.000000 0.000000
R13: 00000000000e2203 R14: ffffc9000403e868 R15: 000000000004f773
0 0
/
S
cec-vivid-010-v 2554 12769.150388 E 12770.530504 1.400000 0.109191 2 120
0.000000 0.000000 0.000000
0 0
/
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
S
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
vivid_cec-vivid 2556 12769.781443 E 12771.160271 1.400000 0.097607 2 120
0.000000 0.000000 0.000000
0 0
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
/
S
cec-vivid-011-v 2571 12777.667585 E 12779.056998 1.400000 0.096141 2 120
0.000000 0.000000 0.000000
0 0
/
S
vivid_cec-vivid 2572 12777.754277 E 12779.140354 1.400000 0.086692 2 120
0.000000 0.000000 0.000000
0 0
/
S
kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:576
cec-vivid-013-v 2603 12842.950713 E 12844.340766 1.400000 0.081321 2 120
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x62/0x70 mm/kasan/common.c:264
0.000000 0.000000 0.000000
0 0
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2381 [inline]
slab_free mm/slub.c:4643 [inline]
kfree+0x18e/0x440 mm/slub.c:4842
/
kobject_uevent_env+0x36b/0x8c0 lib/kobject_uevent.c:640
S
device_add+0x557/0xb50 drivers/base/core.c:3673
vivid_cec-vivid 2604 12843.030310 E 12844.417436 1.400000 0.079597 2 120
hid_add_device+0x398/0x540 drivers/hid/hid-core.c:2916
0.000000 0.000000 0.000000
usbhid_probe+0xe13/0x12a0 drivers/hid/usbhid/hid-core.c:1435
0 0
usb_probe_interface+0x641/0xbc0 drivers/usb/core/driver.c:396
/
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
S
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
cec-vivid-014-v 2619 12851.945214 E 12853.335170 1.400000 0.085238 2 120
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
0.000000 0.000000 0.000000
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
0 0
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
/
S
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
vivid_cec-vivid 2620 12852.030637 E 12853.417203 1.400000 0.085423 2 120
0.000000 0.000000 0.000000
0 0
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
/
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210
S
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
cec-vivid-015-v 2635 12859.319104 E 12860.708901 1.400000 0.085439 2 120
usb_probe_device+0x1c4/0x390 drivers/usb/core/driver.c:291
0.000000 0.000000 0.000000
0 0
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
/
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
S
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
vivid_cec-vivid 2636 12859.406362 E 12860.792593 1.400000 0.087258 2 120
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
0.000000 0.000000 0.000000
0 0
/
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
S
cec-vivid-016-v 2651 12874.794194 E 12876.184152 1.400000 0.087564 2 120
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
0.000000 0.000000 0.000000
device_add+0x7b6/0xb50 drivers/base/core.c:3692
0 0
usb_new_device+0xa39/0x16c0 drivers/usb/core/hub.c:2694
/
S
vivid_cec-vivid 2652 12874.876695 E 12876.263875 1.400000 0.082501 2 120
hub_port_connect drivers/usb/core/hub.c:5566 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5706 [inline]
port_event drivers/usb/core/hub.c:5866 [inline]
hub_event+0x2941/0x4a00 drivers/usb/core/hub.c:5948
0.000000 0.000000 0.000000
0 0
/
S
cec-vivid-017-v 2667 12887.129972 E 12888.519691 1.400000 0.093226 2 120
0.000000 0.000000 0.000000
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321
0 0
/
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
S
vivid_cec-vivid 2668 12887.216132 E 12888.602693 1.400000 0.086160 2 120
kthread+0x70e/0x8a0 kernel/kthread.c:464
0.000000 0.000000 0.000000
0 0
/
S
cec-vivid-018-v 2682 12903.642062 E 12905.030531 1.400000 0.106155 2 120
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
0.000000 0.000000 0.000000
0 0
/
S
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
cec-vivid-019-v 2698 13041.508192 E 13042.888092 1.400000 0.106512 2 120
0.000000 0.000000 0.000000
rcu: rcu_preempt kthread starved for 5161 jiffies! g10301 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
0 0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
/
rcu: RCU grace-period kthread stack dump:
S
task:rcu_preempt state:R
cec-vivid-020-v 2714 13179.566978 E 13180.948004 1.400000 0.100493 2 120
running task stack:27128 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
0.000000 0.000000 0.000000
Call Trace:
0 0
/
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
S
cec-vivid-021-v 2730 13318.778873 E 13320.159312 1.400000 0.104928 2 120
0.000000 0.000000 0.000000
0 0
/
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
S
cec-vivid-022-v 2746 13457.067001 E 13458.447195 1.400000 0.111663 2 120
0.000000 0.000000 0.000000
0 0
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
/
S
vivid_cec-vivid 2748 13457.663148 E 13459.042634 1.400000 0.105519 2 120
0.000000 0.000000 0.000000
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
0 0
/
I
kthread+0x70e/0x8a0 kernel/kthread.c:464
kworker/R-updat 2789 13639.009459 E 13639.025029 1.400000 0.100724 3 100
0.000000 0.000000 0.000000
0 0
/
I kworker/R-raid5 2807 13716.151868 E 13716.167573 1.400000 0.124320 2 100
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
0.000000 0.000000 0.000000
0 0
/
I
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
kworker/R-bch_b 2809 13716.488835 E 13716.504648 1.400000 0.069094 2 100
0.000000 0.000000 0.000000
rcu: Stack dump where RCU GP kthread last ran:
0 0
CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted 6.16.0-rc6-syzkaller-00037-ge2291551827f #0 PREEMPT(full)
/
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events_unbound toggle_allocation_gate
I
RIP: 0010:variable_ffs arch/x86/include/asm/bitops.h:318 [inline]
RIP: 0010:handle_softirqs+0x1b0/0x870 kernel/softirq.c:567
kworker/R-bch_j 2811 13716.935126 E 13716.950965 1.400000 0.097862 2 100
Code: 89 64 24 30 0f b7 db 48 c7 c7 00 ad 89 8b e8 a7 ae e9 09 65 66 c7 05 85 9b 1a 11 00 00 e8 d8 0a 42 00 fb 49 c7 c7 c0 c0 e0 8d ff ff ff ff 0f bc c3 41 89 c5 41 ff c5 0f 84 c2 03 00 00 89 5c
0.000000 0.000000 0.000000
RSP: 0018:ffffc90000a08e40 EFLAGS: 00000286
0 0
RAX: 15adeaff15cf5200 RBX: 0000000000000100 RCX: 15adeaff15cf5200
/
RDX: 0000000000000002 RSI: ffffffff8d998d6f RDI: ffffffff8be29d80
RBP: ffffc90000a08f50 R08: ffffffff8fa1f5f7 R09: 1ffffffff1f43ebe
I
R10: dffffc0000000000 R11: fffffbfff1f43ebf R12: 000000000000000a
kworker/R-dm_bu 2813 13733.782159 E 13733.798032 1.400000 0.118947 2 100
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8de0c0c0
0.000000 0.000000 0.000000
FS: 0000000000000000(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000
0 0
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
/
CR2: 00007fc2924020c8 CR3: 000000000df38000 CR4: 00000000003526f0
Call Trace:
I
kworker/R-kmpat 2815 13734.630171 E 13734.645981 1.400000 0.105213 2 100
0.000000 0.000000 0.000000
0 0
/
I
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
kworker/R-kvub3 2836 13771.372992 E 13771.388857 1.400000 0.100196 2 100
0.000000 0.000000 0.000000
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
0 0
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
/
I kworker/R-kmems 2840 13772.396922 E 13772.412738 1.400000 0.108668 2 100
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
0.000000 0.000000 0.000000
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0xf70/0x12d0 kernel/smp.c:885
0 0
Code: 83 e6 01 31 ff e8 d0 78 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 7b 74 0b 00 eb 37 f3 90 43 0f b6 04 2c 84 c0 <75> 10 41 f7 07 01 00 00 00 74 1e e8 60 74 0b 00 eb e5 44 89 f9 80
/
RSP: 0018:ffffc900001276a0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8880b873b1c0 RCX: ffff88801d2c0000
I
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
kworker/R-iw_cm 2844 13773.761672 E 13773.777513 1.400000 0.060850 2 100
RBP: ffffc90000127800 R08: ffffffff8fa1f5f7 R09: 1ffffffff1f43ebe
0.000000 0.000000 0.000000
R10: dffffc0000000000 R11: fffffbfff1f43ebf R12: 1ffff110170c8385
0 0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880b8641c28
/
I
kworker/R-mlx4_ 2850 13776.596313 E 13776.612043 1.400000 0.126150 2 100
0.000000 0.000000 0.000000
0 0
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1052
/
on_each_cpu include/linux/smp.h:71 [inline]
smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2691 [inline]
smp_text_poke_batch_finish+0x5e0/0x1100 arch/x86/kernel/alternative.c:2901
I
kworker/R-srp_r 2852 13777.236190 E 13777.251759 1.400000 0.096176 2 100
0.000000 0.000000 0.000000
arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
0 0
static_key_enable_cpuslocked+0x128/0x250 kernel/jump_label.c:210
/
static_key_enable+0x1a/0x20 kernel/jump_label.c:223
toggle_allocation_gate+0xad/0x240 mm/kfence/core.c:850
I kworker/R-siw_c 2856 13778.016210 E 13778.032022 1.400000 0.077564 2 100
0.000000 0.000000 0.000000
0 0
/
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321
I
kworker/R-qat_m 2867 13786.805104 E 13786.820929 1.400000 0.085705 2 100
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
0.000000 0.000000 0.000000
kthread+0x70e/0x8a0 kernel/kthread.c:464
0 0
/
I
kworker/R-qat_p 2869 13787.300270 E 13787.316114 1.400000 0.109511 2 100
0.000000 0.000000 0.000000
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
0 0
/
I
kworker/R-elous 2912 13815.161017 E 13815.176831 1.400000 0.109516 2 100
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
0.000000 0.000000 0.000000
0 0 /
I kworker/R-tls-s 3181 14176.664440 E 14176.680156 1.400000 0.126204 2 100 0.000000 0.000000 0.000000 0 0 /
I kworker/R-ipv6_ 3183 14178.683414 E 14178.699139 1.400000 0.116059 2 100 0.000000 0.000000 0.000000 0 0 /
I kworker/R-dsa_o 3202 14214.776277 E 14214.792428 1.400000 0.000000 2 100 0.000000 0.000000 0.000000 0 0 /
I kworker/R-krxrp 3396 14361.056441 E 14361.072089 1.400000 0.127233 2 100 0.000000 0.000000 0.000000 0 0 /
I kworker/R-kkcmd 3400 14377.455994 E 14377.471856 1.400000 0.097208 2 100 0.000000 0.000000 0.000000 0 0 /
I kworker/R-krdsd 3402 14437.598793 E 14437.614623 1.400000 0.114400 2 100 0.000000 0.000000 0.000000 0 0 /
I kworker/R-ceph- 3412 14472.418233 E 14472.434044 1.400000 0.108917 2 100 0.000000 0.000000 0.000000 0 0 /
I kworker/u8:7 4410 15216.181461 E 15217.115292 1.400000 41.385495 72 120 0.000000 0.000000 0.000000 0 0 /
I kworker/R-zswap 5161 15708.396229 E 15708.412038 1.400000 0.124299 2 100 0.000000 0.000000 0.000000 0 0 /
I kworker/R-kafs_ 5164 17062.395443 E 17062.411285 1.400000 0.096037 2 100 0.000000 0.000000 0.000000 0 0 /
R kworker/u9:1 5166 58808.876385 E 58808.892536 1.400000 0.143168 7 100 0.000000 0.000000 0.000000 0 0 /
S jbd2/sda1-8 5178 58816.050606 E 58817.450606 1.400000 14.126363 39 120 0.000000 0.000000 0.000000 0 0 /
S syslogd 5198 58816.050606 E 58817.450606 1.400000 273.261870 1963 120 0.000000 0.000000 0.000000 0 0 /
R klogd 5205 58801.082357 E 58802.482357 1.400000 51605.200663 1621 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5216 58807.860563 E 58809.260563 1.400000 5001.484174 2201 120 0.000000 0.000000 0.000000 0 0 /
S dbus-daemon 5495 24080.876834 E 24082.276834 1.400000 3.635894 1 120 0.000000 0.000000 0.000000 0 0 /
R dhcpcd 5510 58798.641395 E 58800.041395 1.400000 241.659437 759 120 0.000000 0.000000 0.000000 0 0 /
S dhcpcd 5511 58811.660849 E 58813.060849 1.400000 756.765789 1170 120 0.000000 0.000000 0.000000 0 0 /
R crond 5587 58823.796527 E 58825.196527 1.400000 47.440295 20 120 0.000000 0.000000 0.000000 0 0 /
S sshd 5604 32704.249701 E 32705.356127 1.400000 89.481282 37 120 0.000000 0.000000 0.000000 0 0 /
S dhcpcd 5654 58813.192151 E 58814.592151 1.400000 8.986112 10 120 0.000000 0.000000 0.000000 0 0 /
S dhcpcd 5661 27544.038702 E 27545.212402 1.400000 8.931619 4 120 0.000000 0.000000 0.000000 0 0 /
S sshd-session 5844 58816.050606 E 58817.450606 1.400000 166.384195 661 120 0.000000 0.000000 0.000000 0 0 /
S strace-static-x 5845 58816.050606 E 58817.450606 1.400000 310.634598 2942 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5850 58800.627812 E 58802.027812 1.400000 206.949755 211 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5851 58814.445420 E 58815.845420 1.400000 176.174159 298 120 0.000000 0.000000 0.000000 0 0 /
R syz-executor123 5852 58802.058548 E 58803.458548 1.400000 25.372311 1241 120 0.000000 0.000000 0.000000 0 0 /
R syz-executor123 5853 58802.584863 E 58803.984863 1.400000 34.139298 1147 120 0.000000 0.000000 0.000000 0 0 /
R syz-executor123 5854 58815.156755 E 58816.556755 1.400000 30.785184 1129 120 0.000000 0.000000 0.000000 0 0 /
R syz-executor123 5855 58815.387205 E 58816.787205 1.400000 33.251252 1128 120 0.000000 0.000000 0.000000 0 0 /
R syz-executor123 5856 58815.496934 E 58816.896934 1.400000 26.419702 1177 120 0.000000 0.000000 0.000000 0 0 /
I kworker/1:3 5862 33022.893312 E 33024.255906 1.400000 0.374328 9 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5863 58814.580170 E 58815.980170 1.400000 85.472873 75 120 0.000000 0.000000 0.000000 0 0 /
I kworker/1:4 5865 33012.696262 E 33014.063721 1.400000 1.196886 28 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5866 58805.020321 E 58806.420321 1.400000 51434.022259 61 120 0.000000 0.000000 0.000000 0 0 /
R kworker/1:5 5867 58803.887920 E 58805.287920 1.400000 41.785299 142 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5869 58804.353654 E 58805.753654 1.400000 0.701452 5 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5870 58813.898168 E 58815.298168 1.400000 41.207176 144 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5871 58799.776363 E 58801.176363 1.400000 28.192083 29 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5872 58814.390964 E 58815.790964 1.400000 25.319998 62 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5873 58803.728654 E 58805.128654 1.400000 39.546162 54 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5876 58814.284743 E 58815.684743 1.400000 57.677540 183 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5878 58803.140419 E 58804.540419 1.400000 26.005793 28 120 0.000000 0.000000 0.000000 0 0 /
R udevd 5881 58800.193029 E 58801.593029 1.400000 21.651204 33 120 0.000000 0.000000 0.000000 0 0 /
S syz-executor123 5883 58814.869044 E 58816.269044 1.400000 1.442583 108 120 0.000000 0.000000 0.000000 0 0 /
S syz-executor123 5887 58816.050606 E 58817.450606 1.400000 8.775245 96 120 0.000000 0.000000 0.000000 0 0 /
R syz-executor123 5888 58816.050606 E 58817.450606 1.400000 8.614421 107 120 0.000000 0.000000 0.000000 0 0 /
S syz-executor123 5891 58813.934835 E 58815.334835 1.400000 7.328945 100 120 0.000000 0.000000 0.000000 0 0 /
R poweroff 5894 58801.558547 E 58802.958547 1.400000 2.232563 39 120 0.000000 0.000000 0.000000 0 0 /
Showing all locks held in the system:
6 locks held by kworker/0:0/9:
#0: ffff88801a481548 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
#0: ffff88801a481548 ((wq_completion)events_long){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3321
#1: ffffc900000e7bc0 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
#1: ffffc900000e7bc0 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3321
#2: ffff888077e6d230 (&dev->event_lock#2){..-.}-{3:3}, at: class_spinlock_irqsave_constructor include/linux/spinlock.h:585 [inline]
#2: ffff888077e6d230 (&dev->event_lock#2){..-.}-{3:3}, at: input_event+0x7a/0xc0 drivers/input/input.c:394
#3: ffffffff8e13f0e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#3: ffffffff8e13f0e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#3: ffffffff8e13f0e0 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
#3: ffffffff8e13f0e0 (rcu_read_lock){....}-{1:3}, at: input_pass_values+0x8d/0x890 drivers/input/input.c:118
#4: ffffffff8e9a6c58 (kbd_event_lock){..-.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#4: ffffffff8e9a6c58 (kbd_event_lock){..-.}-{3:3}, at: kbd_event+0xd2/0x3ec0 drivers/tty/vt/keyboard.c:1528
#5: ffffffff8e13f0e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#5: ffffffff8e13f0e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#5: ffffffff8e13f0e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6770
6 locks held by kworker/0:1/10:
5 locks held by kworker/u8:1/13:
7 locks held by kworker/1:1/44:
#0: ffff888143aedd48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
#0: ffff888143aedd48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3321
#1: ffffc90000b47bc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
#1: ffffc90000b47bc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3321
#2: ffff88823be82198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline]
#2: ffff88823be82198 (&dev->mutex){....}-{4:4}, at: hub_event+0x184/0x4a00 drivers/usb/core/hub.c:5894
#3: ffff888077f93198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline]
#3: ffff888077f93198 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x400 drivers/base/dd.c:1004
#4: ffff88807be6d160 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline]
#4: ffff88807be6d160 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x400 drivers/base/dd.c:1004
#5: ffff88805d651a20 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline]
#5: ffff88805d651a20 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x400 drivers/base/dd.c:1004
#6: ffffffff8ef940c8 (input_mutex){+.+.}-{4:4}, at: class_mutex_intr_constructor include/linux/mutex.h:227 [inline]
#6: ffffffff8ef940c8 (input_mutex){+.+.}-{4:4}, at: input_register_device+0xa74/0x10b0 drivers/input/input.c:2408
11 locks held by kworker/1:2/888:
#0: ffff888143aedd48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
#0: ffff888143aedd48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3321
#1: ffffc900035e7bc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
#1: ffffc900035e7bc0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3321
#2: ffff88802835e198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline]
#2: ffff88802835e198 (&dev->mutex){....}-{4:4}, at: hub_event+0x184/0x4a00 drivers/usb/core/hub.c:5894
#3: ffff888077f92198 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline]
#3: ffff888077f92198 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x400 drivers/base/dd.c:1004
#4: ffff88807be6c160 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline]
#4: ffff88807be6c160 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x400 drivers/base/dd.c:1004
#5: ffff88805d649a20 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline]
#5: ffff88805d649a20 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x400 drivers/base/dd.c:1004
#6: ffffffff8ef940c8 (input_mutex){+.+.}-{4:4}, at: class_mutex_intr_constructor include/linux/mutex.h:227 [inline]
#6: ffffffff8ef940c8 (input_mutex){+.+.}-{4:4}, at: input_register_device+0xa74/0x10b0 drivers/input/input.c:2408
#7: ffff88807bdd45e0 (&led_cdev->led_access){+.+.}-{4:4}, at: led_classdev_register_ext+0x43d/0x930 drivers/leds/led-class.c:524
#8: ffffffff8e8fa430 (triggers_list_lock){++++}-{4:4}, at: led_trigger_set_default+0x77/0x2a0 drivers/leds/led-triggers.c:297
#9: ffff88807bdd44f8 (&led_cdev->trigger_lock){+.+.}-{4:4}, at: led_trigger_set_default+0x87/0x2a0 drivers/leds/led-triggers.c:298
#10: ffffffff8e144bf8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:304 [inline]
#10: ffffffff8e144bf8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2f6/0x730 kernel/rcu/tree_exp.h:998
2 locks held by getty/5606:
#0: ffff888030ce70a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900036cb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 drivers/tty/n_tty.c:2222
6 locks held by kworker/0:3/5841:
2 locks held by syz-executor123/5888:
1 lock held by poweroff/5894:
=============================================
Mem-Info:
active_anon:3781 inactive_anon:0 isolated_anon:0
active_file:3 inactive_file:21922 isolated_file:0
unevictable:768 dirty:0 writeback:0
slab_reclaimable:10169 slab_unreclaimable:79925
mapped:3287 shmem:1365 pagetables:888
sec_pagetables:0 bounce:0
kernel_misc_reclaimable:0
free:1438137 free_pcp:15372 free_cma:0
Node 0 active_anon:15124kB inactive_anon:0kB active_file:12kB inactive_file:87488kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:13148kB dirty:0kB writeback:0kB shmem:3924kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:9800kB pagetables:3412kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB
Node 1 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:200kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB writeback_tmp:0kB kernel_stack:48kB pagetables:140kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB
Node 0 DMA free:15360kB boost:0kB min:204kB low:252kB high:300kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2498 2500 2500 2500
Node 0 DMA32 free:1840084kB boost:0kB min:34248kB low:42808kB high:51368kB reserved_highatomic:0KB free_highatomic:0KB active_anon:15176kB inactive_anon:0kB active_file:12kB inactive_file:85912kB unevictable:1536kB writepending:0kB present:3129332kB managed:2558384kB mlocked:0kB bounce:0kB free_pcp:40220kB local_pcp:21128kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:12kB boost:0kB min:20kB low:24kB high:28kB reserved_highatomic:0KB free_highatomic:0KB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:1576kB unevictable:0kB writepending:0kB present:1048580kB managed:1644kB mlocked:0kB bounce:0kB free_pcp:8kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:3897092kB boost:0kB min:55632kB low:69540kB high:83448kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:200kB unevictable:1536kB writepending:0kB present:4194300kB managed:4111164kB mlocked:0kB bounce:0kB free_pcp:21024kB local_pcp:13056kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB
Node 0 DMA32: 513*4kB (UME) 81*8kB (UM) 4*16kB (ME) 8*32kB (UME) 7*64kB (UME) 5*128kB (UME) 0*256kB 0*512kB 1*1024kB (E) 2*2048kB (UE) 447*4096kB (M) = 1840140kB
Node 0 Normal: 1*4kB (M) 1*8kB (M) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12kB
Node 1 Normal: 209*4kB (UME) 50*8kB (UME) 45*16kB (UME) 43*32kB (UME) 26*64kB (UME) 7*128kB (UME) 2*256kB (M) 5*512kB (UME) 1*1024kB (M) 2*2048kB (UE) 948*4096kB (M) = 3897092kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB
23287 total pagecache pages
0 pages in swap cache
Free swap = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
425413 pages reserved
0 pages cma reserved
task:init state:S stack:19128 pid:1 tgid:1 ppid:0 task_flags:0x400100 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
do_wait+0x299/0x520 kernel/exit.c:1714
kernel_wait4+0x1af/0x280 kernel/exit.c:1868
__do_sys_wait4 kernel/exit.c:1896 [inline]
__se_sys_wait4 kernel/exit.c:1892 [inline]
__x64_sys_wait4+0x133/0x1e0 kernel/exit.c:1892
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f90f0b38407
RSP: 002b:00007ffc7cef3010 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00007f90f09e8c80 RCX: 00007f90f0b38407
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffffff
RBP: 0000000000001717 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000015d3
R13: 0000000000000040 R14: 00007f90f0d92000 R15: 00005595c0fe0d98
task:kthreadd state:S stack:25368 pid:2 tgid:2 ppid:0 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
kthreadd+0x3e3/0x770 kernel/kthread.c:835
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:pool_workqueue_ state:S stack:29360 pid:3 tgid:3 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
kthread_worker_fn+0x4c2/0xb60 kernel/kthread.c:1017
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/R-rcu_g state:I stack:30152 pid:4 tgid:4 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/R-sync_ state:I stack:30328 pid:5 tgid:5 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/R-kvfre state:I stack:30328 pid:6 tgid:6 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/R-slub_ state:I stack:30328 pid:7 tgid:7 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/R-netns state:I stack:30328 pid:8 tgid:8 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/0:0 state:R running task stack:20616 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/0:1 state:D stack:21192 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
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_timeout+0x2ca/0x600 kernel/sched/completion.c:167
usb_start_wait_urb+0x163/0x4c0 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:103 [inline]
usb_control_msg+0x232/0x3e0 drivers/usb/core/message.c:154
hid_get_class_descriptor drivers/hid/usbhid/hid-core.c:672 [inline]
usbhid_parse+0x61b/0xb80 drivers/hid/usbhid/hid-core.c:1038
hid_add_device+0x125/0x540 drivers/hid/hid-core.c:2890
usbhid_probe+0xe13/0x12a0 drivers/hid/usbhid/hid-core.c:1435
usb_probe_interface+0x641/0xbc0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
usb_probe_device+0x1c4/0x390 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26a/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_new_device+0xa39/0x16c0 drivers/usb/core/hub.c:2694
hub_port_connect drivers/usb/core/hub.c:5566 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5706 [inline]
port_event drivers/usb/core/hub.c:5866 [inline]
hub_event+0x2941/0x4a00 drivers/usb/core/hub.c:5948
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/0:0H state:I stack:28680 pid:11 tgid:11 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events_highpri)
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/u8:0 state:I stack:22648 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/u8:1 state:R running task stack:24872 pid:13 tgid:13 ppid:2 task_flags:0x4208060 flags:0x00004008
Workqueue: events_unbound toggle_allocation_gate
Call Trace: