bisecting fixing commit since ad347abe4a9876b1f65f408ab467137e88f77eb4
building syzkaller on 1ba81399e2d03b53a7e631c4ab05f25af1fb1911
testing commit ad347abe4a9876b1f65f408ab467137e88f77eb4 with gcc (GCC) 10.2.1 20210217
kernel signature: c2d8cc2b680573b1fe5880a753a4343e3571c3459ec88ea869c66fc676422b4e
run #0: crashed: WARNING in __cfg80211_ibss_joined
run #1: crashed: KASAN: out-of-bounds Read in __show_regs
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
reproducer seems to be flaky
testing current HEAD 7fef2edf7cc753b51f7ccc74993971b0a9c81eca
testing commit 7fef2edf7cc753b51f7ccc74993971b0a9c81eca with gcc (GCC) 10.2.1 20210217
kernel signature: 0a98469c298d7a0c1d841192fd1edcb169f4b9879cba9e8ae01647205bdbffe9
run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in stack_depot_save
run #1: crashed: BUG: sleeping function called from invalid context in stack_depot_save
run #2: crashed: KASAN: stack-out-of-bounds Read in __show_regs
run #3: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #4: crashed: INFO: rcu detected stall in dummy_timer
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
Reproducer flagged being flaky
revisions tested: 2, total time: 34m42.235319002s (build: 15m41.038318218s, test: 18m30.428237384s)
the crash still happens on HEAD
commit msg: sd: don't mess with SD_MINORS for CONFIG_DEBUG_BLOCK_EXT_DEVT
crash: INFO: rcu detected stall in dummy_timer
1 lock held by systemd-udevd/10404:
5 locks held by systemd-udevd/10409:
1 lock held by systemd-udevd/10411:
1 lock held by systemd-udevd/10460:
=============================================
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (3 ticks this GP) idle=4fe/1/0x4000000000000000 softirq=11920/11920 fqs=0 
	(t=10679 jiffies g=10405 q=435)
NMI backtrace for cpu 0
CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:105
 nmi_cpu_backtrace.cold+0x30/0x99 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x11f/0x170 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:342
 print_cpu_stall kernel/rcu/tree_stall.h:625 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:700 [inline]
 rcu_pending kernel/rcu/tree.c:3922 [inline]
 rcu_sched_clock_irq.cold+0x9f/0x747 kernel/rcu/tree.c:2641
 update_process_times+0x13b/0x1c0 kernel/time/timer.c:1782
 tick_sched_handle+0x6f/0x130 kernel/time/tick-sched.c:226
 tick_sched_timer+0x132/0x210 kernel/time/tick-sched.c:1421
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x18a/0xb00 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0x2f9/0x920 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:191
Code: 74 24 10 e8 7a 3a f2 f8 48 89 ef e8 22 b0 f2 f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> b3 91 e6 f8 65 8b 05 1c 48 a1 77 85 c0 74 0a 5b 5d c3 e8 00 ac
RSP: 0018:ffffc90000d27a00 EFLAGS: 00000206
RAX: 0000000000000012 RBX: 0000000000000200 RCX: 1ffffffff1dc4e32
RDX: 0000000000000000 RSI: ffffffff88cb2640 RDI: 0000000000000001
RBP: ffff888146c74000 R08: 0000000000000001 R09: ffffffff8edb49d7
R10: 0000000000000001 R11: ffff888146b02438 R12: ffff888146c740b8
R13: dffffc0000000000 R14: ffff888046843900 R15: ffff888146b02438
 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
 dummy_timer+0xf93/0x2eb0 drivers/usb/gadget/udc/dummy_hcd.c:2001
 call_timer_fn+0x163/0x4a0 kernel/time/timer.c:1417
 expire_timers kernel/time/timer.c:1462 [inline]
 __run_timers.part.0+0x524/0x8a0 kernel/time/timer.c:1731
 __run_timers kernel/time/timer.c:1712 [inline]
 run_timer_softirq+0x9c/0x190 kernel/time/timer.c:1744
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 run_ksoftirqd kernel/softirq.c:920 [inline]
 run_ksoftirqd+0x2d/0x60 kernel/softirq.c:912
 smpboot_thread_fn+0x548/0x8c0 kernel/smpboot.c:164
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:systemd         state:R  running task     stack:22504 pid:    1 ppid:     0 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 schedule_hrtimeout_range_clock+0x2ba/0x300 kernel/time/hrtimer.c:2148
 ep_poll fs/eventpoll.c:1848 [inline]
 do_epoll_wait+0xea9/0x14e0 fs/eventpoll.c:2226
 __do_sys_epoll_wait fs/eventpoll.c:2238 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2233 [inline]
 __x64_sys_epoll_wait+0x126/0x240 fs/eventpoll.c:2233
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fe92c836303
RSP: 002b:00007ffdfc639c50 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000561224e7df50 RCX: 00007fe92c836303
RDX: 0000000000000025 RSI: 00007ffdfc639c60 RDI: 0000000000000004
RBP: 00007ffdfc639f20 R08: 431bde82d7b634db R09: 00000000000049a0
R10: 00000000ffffffff R11: 0000000000000293 R12: 00007ffdfc639c60
R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000002
task:kthreadd        state:S stack:27960 pid:    2 ppid:     0 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 kthreadd+0x4d2/0x6a0 kernel/kthread.c:673
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:rcu_gp          state:I stack:30304 pid:    3 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:rcu_par_gp      state:I stack:30712 pid:    4 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/0:0     state:R  running task     stack:22880 pid:    5 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6100
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:35
 __raw_read_unlock_irqrestore include/linux/rwlock_api_smp.h:236 [inline]
 _raw_read_unlock_irqrestore+0x57/0x70 kernel/locking/spinlock.c:263
 kbd_led_trigger_activate+0xa1/0xe0 drivers/tty/vt/keyboard.c:1029
 led_trigger_set+0x5ae/0xbe0 drivers/leds/led-triggers.c:195
 led_trigger_set_default drivers/leds/led-triggers.c:259 [inline]
 led_trigger_set_default+0x167/0x200 drivers/leds/led-triggers.c:246
 led_classdev_register_ext+0x4d7/0x710 drivers/leds/led-class.c:412
 led_classdev_register include/linux/leds.h:190 [inline]
 input_leds_connect+0x3c2/0x760 drivers/input/input-leds.c:139
 input_attach_handler+0xfb/0x150 drivers/input/input.c:1035
 input_register_device.cold+0xb1/0x2a0 drivers/input/input.c:2335
 hidinput_connect+0x3e50/0x8880 drivers/hid/hid-input.c:2007
 hid_connect+0x6e8/0x930 drivers/hid/hid-core.c:1952
 hid_hw_start drivers/hid/hid-core.c:2059 [inline]
 hid_hw_start+0x74/0x100 drivers/hid/hid-core.c:2050
 hid_device_probe+0x2fb/0x370 drivers/hid/hid-core.c:2291
 call_driver_probe drivers/base/dd.c:517 [inline]
 really_probe+0x1b9/0xb70 drivers/base/dd.c:595
 __driver_probe_device+0x2a6/0x460 drivers/base/dd.c:747
 driver_probe_device+0x44/0x110 drivers/base/dd.c:777
 __device_attach_driver+0x185/0x250 drivers/base/dd.c:894
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
 __device_attach+0x1db/0x410 drivers/base/dd.c:965
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
 device_add+0xa2f/0x1e00 drivers/base/core.c:3352
 hid_add_device+0x2d5/0x8a0 drivers/hid/hid-core.c:2439
 usbhid_probe+0x9c7/0xed0 drivers/hid/usbhid/hid-core.c:1417
 usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:517 [inline]
 really_probe+0x1b9/0xb70 drivers/base/dd.c:595
 __driver_probe_device+0x2a6/0x460 drivers/base/dd.c:747
 driver_probe_device+0x44/0x110 drivers/base/dd.c:777
 __device_attach_driver+0x185/0x250 drivers/base/dd.c:894
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
 __device_attach+0x1db/0x410 drivers/base/dd.c:965
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
 device_add+0xa2f/0x1e00 drivers/base/core.c:3352
 usb_set_configuration+0x9fc/0x1750 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238
 usb_probe_device+0x95/0x240 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:517 [inline]
 really_probe+0x1b9/0xb70 drivers/base/dd.c:595
 __driver_probe_device+0x2a6/0x460 drivers/base/dd.c:747
 driver_probe_device+0x44/0x110 drivers/base/dd.c:777
 __device_attach_driver+0x185/0x250 drivers/base/dd.c:894
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
 __device_attach+0x1db/0x410 drivers/base/dd.c:965
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
 device_add+0xa2f/0x1e00 drivers/base/core.c:3352
 usb_new_device.cold+0x5cf/0xedf drivers/usb/core/hub.c:2559
 hub_port_connect drivers/usb/core/hub.c:5300 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5440 [inline]
 port_event drivers/usb/core/hub.c:5586 [inline]
 hub_event+0x10a3/0x36c0 drivers/usb/core/hub.c:5668
 process_one_work+0x84c/0x13d0 kernel/workqueue.c:2276
 process_scheduled_works kernel/workqueue.c:2338 [inline]
 worker_thread+0x74b/0x1040 kernel/workqueue.c:2424
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/0:0H    state:I stack:29432 pid:    6 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_highpri)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/0:1     state:I stack:21528 pid:    7 ppid:     2 flags:0x00004000
Workqueue:  0x0 (wg-crypt-wg1)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/u4:0    state:I stack:24936 pid:    8 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:mm_percpu_wq    state:I stack:30640 pid:    9 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/u4:1    state:I stack:24936 pid:   10 ppid:     2 flags:0x00004000
Workqueue:  0x0 (phy10)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:rcu_tasks_kthre state:S stack:29024 pid:   11 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rcu_tasks_kthread+0x4bd/0x6a0 kernel/rcu/tasks.h:211
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:rcu_tasks_trace state:S stack:29704 pid:   12 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rcu_tasks_kthread+0x4bd/0x6a0 kernel/rcu/tasks.h:211
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:ksoftirqd/0     state:R  running task     stack:25832 pid:   13 ppid:     2 flags:0x00004008
Call Trace:
 sched_show_task kernel/sched/core.c:8164 [inline]
 sched_show_task+0x433/0x5b0 kernel/sched/core.c:8138
 show_state_filter+0x13e/0x300 kernel/sched/core.c:8209
 kbd_keycode drivers/tty/vt/keyboard.c:1512 [inline]
 kbd_event+0x6fe/0x13a0 drivers/tty/vt/keyboard.c:1531
 input_to_handler+0x336/0x4a0 drivers/input/input.c:118
 input_pass_values.part.0+0x1a3/0x560 drivers/input/input.c:145
 input_pass_values drivers/input/input.c:134 [inline]
 input_handle_event+0x215/0x1160 drivers/input/input.c:415
 input_event drivers/input/input.c:446 [inline]
 input_event+0x54/0x80 drivers/input/input.c:438
 hidinput_hid_event+0x3a7/0x1710 drivers/hid/hid-input.c:1444
 hid_process_event+0x358/0x590 drivers/hid/hid-core.c:1522
 hid_input_field drivers/hid/hid-core.c:1580 [inline]
 hid_report_raw_event+0xa18/0xfe0 drivers/hid/hid-core.c:1786
 hid_input_report+0x26f/0x4b0 drivers/hid/hid-core.c:1853
 hid_irq_in+0x4b0/0x620 drivers/hid/usbhid/hid-core.c:284
 __usb_hcd_giveback_urb+0x238/0x3f0 drivers/usb/core/hcd.c:1656
 dummy_timer+0xeb8/0x2eb0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 call_timer_fn+0x163/0x4a0 kernel/time/timer.c:1417
 expire_timers kernel/time/timer.c:1462 [inline]
 __run_timers.part.0+0x524/0x8a0 kernel/time/timer.c:1731
 __run_timers kernel/time/timer.c:1712 [inline]
 run_timer_softirq+0x9c/0x190 kernel/time/timer.c:1744
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 run_ksoftirqd kernel/softirq.c:920 [inline]
 run_ksoftirqd+0x2d/0x60 kernel/softirq.c:912
 smpboot_thread_fn+0x548/0x8c0 kernel/smpboot.c:164
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:rcu_preempt     state:I stack:28928 pid:   14 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 schedule_timeout+0x11d/0x250 kernel/time/timer.c:1878
 rcu_gp_fqs_loop kernel/rcu/tree.c:1996 [inline]
 rcu_gp_kthread+0xd34/0x1980 kernel/rcu/tree.c:2169
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:migration/0     state:R  running task     stack:30640 pid:   15 ppid:     2 flags:0x00004000
Stopper: 0x0 <- 0x0
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 smpboot_thread_fn+0x24b/0x8c0 kernel/smpboot.c:160
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:cpuhp/0         state:S stack:27952 pid:   16 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 smpboot_thread_fn+0x24b/0x8c0 kernel/smpboot.c:160
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:cpuhp/1         state:S stack:27984 pid:   17 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 smpboot_thread_fn+0x24b/0x8c0 kernel/smpboot.c:160
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:migration/1     state:S stack:30752 pid:   18 ppid:     2 flags:0x00004000
Stopper: 0x0 <- 0x0
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 smpboot_thread_fn+0x24b/0x8c0 kernel/smpboot.c:160
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:ksoftirqd/1     state:R  running task     stack:26168 pid:   19 ppid:     2 flags:0x00004000
Call Trace:
task:kworker/1:0     state:D stack:27048 pid:   20 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 usb_kill_urb.part.0+0x176/0x1e0 drivers/usb/core/urb.c:720
 usb_hcd_flush_endpoint+0x2df/0x3c0 drivers/usb/core/hcd.c:1810
 usb_disable_endpoint drivers/usb/core/message.c:1303 [inline]
 usb_disable_interface+0x23e/0x300 drivers/usb/core/message.c:1349
 usb_unbind_interface+0x327/0x7e0 drivers/usb/core/driver.c:456
 __device_release_driver+0x32f/0x660 drivers/base/dd.c:1201
 device_release_driver_internal drivers/base/dd.c:1232 [inline]
 device_release_driver+0x21/0x30 drivers/base/dd.c:1255
 bus_remove_device+0x295/0x550 drivers/base/bus.c:529
 device_del+0x494/0xc10 drivers/base/core.c:3540
 usb_disable_device+0x29c/0x660 drivers/usb/core/message.c:1419
 usb_disconnect.cold+0x209/0x67e drivers/usb/core/hub.c:2221
 hub_port_connect drivers/usb/core/hub.c:5151 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5440 [inline]
 port_event drivers/usb/core/hub.c:5586 [inline]
 hub_event+0xb22/0x36c0 drivers/usb/core/hub.c:5668
 process_one_work+0x84c/0x13d0 kernel/workqueue.c:2276
 worker_thread+0x598/0x1040 kernel/workqueue.c:2422
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/1:0H    state:I stack:29528 pid:   21 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_highpri)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kdevtmpfs       state:S stack:27544 pid:   22 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 devtmpfs_work_loop drivers/base/devtmpfs.c:404 [inline]
 devtmpfsd+0x232/0x24e drivers/base/devtmpfs.c:437
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:netns           state:I stack:30000 pid:   23 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:inet_frag_wq    state:I stack:29904 pid:   24 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/1:1     state:I stack:22368 pid:   26 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/u4:2    state:I stack:24936 pid:   29 ppid:     2 flags:0x00004000
Workqueue:  0x0 (phy9)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kauditd         state:S stack:29312 pid:   37 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 freezable_schedule include/linux/freezer.h:172 [inline]
 kauditd_thread+0x464/0x840 kernel/audit.c:881
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/1:2     state:I stack:27288 pid:   51 ppid:     2 flags:0x00004000
Workqueue:  0x0 (wg-crypt-wg1)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/u4:3    state:I stack:24336 pid:  115 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/u4:4    state:I stack:24936 pid:  269 ppid:     2 flags:0x00004000
Workqueue:  0x0 (phy8)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/u4:5    state:I stack:24304 pid:  296 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/u4:6    state:R  running task     stack:26112 pid:  352 ppid:     2 flags:0x00004000
Workqueue: events_unbound flush_to_ldisc
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6328
 irqentry_exit+0x31/0x80 kernel/entry/common.c:427
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:console_unlock+0x764/0x8d0 kernel/printk/printk.c:2541
Code: ff ff 48 98 48 89 6c 24 20 48 89 44 24 08 e9 a5 fb ff ff c7 05 29 68 db 0d 00 00 00 00 48 8b bc 24 68 01 00 00 e8 ac d3 ff ff <48> b8 00 00 00 00 00 fc ff df 48 03 44 24 28 48 c7 00 00 00 00 00
RSP: 0018:ffffc900020af9e8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: 1ffffffff1dbd79a
RDX: 0000000000000000 RSI: ffffffff88cb2640 RDI: ffffffff891fe060
RBP: ffffc900020afa40 R08: 0000000000000001 R09: ffffffff8edb4937
R10: 0000000000000001 R11: 00000000000000a7 R12: 0000000000000001
R13: ffffffff8b7b6c90 R14: 0000000000000200 R15: 0000000000000200
 __receive_buf drivers/tty/n_tty.c:1581 [inline]
 n_tty_receive_buf_common+0xb1e/0x4930 drivers/tty/n_tty.c:1674
 tty_port_default_receive_buf+0x5c/0x90 drivers/tty/tty_port.c:39
 receive_buf drivers/tty/tty_buffer.c:491 [inline]
 flush_to_ldisc+0x19c/0x3d0 drivers/tty/tty_buffer.c:543
 process_one_work+0x84c/0x13d0 kernel/workqueue.c:2276
 worker_thread+0x598/0x1040 kernel/workqueue.c:2422
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/u4:7    state:I stack:24184 pid:  392 ppid:     2 flags:0x00004000
Workqueue:  0x0 (phy11)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:khungtaskd      state:S stack:30424 pid: 1541 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 schedule_timeout+0x11d/0x250 kernel/time/timer.c:1878
 watchdog+0xb9/0xc40 kernel/hung_task.c:299
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:oom_reaper      state:S stack:30120 pid: 1658 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 freezable_schedule include/linux/freezer.h:172 [inline]
 oom_reaper+0x8cb/0xa80 mm/oom_kill.c:646
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:writeback       state:I stack:26016 pid: 1659 ppid:     2 flags:0x00004000
Workqueue:  0x0 (flush-8:0)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kcompactd0      state:S stack:29488 pid: 1661 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 schedule_timeout+0x11d/0x250 kernel/time/timer.c:1878
 freezable_schedule_timeout include/linux/freezer.h:192 [inline]
 kcompactd+0x491/0xae0 mm/compaction.c:2904
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kcompactd1      state:S stack:29488 pid: 1662 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 schedule_timeout+0x11d/0x250 kernel/time/timer.c:1878
 freezable_schedule_timeout include/linux/freezer.h:192 [inline]
 kcompactd+0x491/0xae0 mm/compaction.c:2904
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:ksmd            state:S stack:29856 pid: 1663 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 freezable_schedule include/linux/freezer.h:172 [inline]
 ksm_scan_thread+0x157e/0x3770 mm/ksm.c:2424
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:khugepaged      state:S stack:24200 pid: 1664 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 schedule_timeout+0x11d/0x250 kernel/time/timer.c:1878
 freezable_schedule_timeout include/linux/freezer.h:192 [inline]
 khugepaged_wait_work mm/khugepaged.c:2257 [inline]
 khugepaged+0x10c6/0x40a0 mm/khugepaged.c:2276
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:pencrypt_serial state:I stack:30712 pid: 1700 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:pdecrypt_serial state:I stack:30712 pid: 1702 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:cryptd          state:I stack:30344 pid: 1704 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kintegrityd     state:I stack:30024 pid: 1775 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kblockd         state:I stack:30712 pid: 1776 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:blkcg_punt_bio  state:I stack:30712 pid: 1778 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:tpm_dev_wq      state:I stack:30120 pid: 1869 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:ata_sff         state:I stack:30040 pid: 1882 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:md              state:I stack:30120 pid: 1916 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:edac-poller     state:I stack:30344 pid: 1919 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:ib-comp-wq      state:I stack:30656 pid: 2037 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/u5:0    state:I stack:27280 pid: 2039 ppid:     2 flags:0x00004000
Workqueue:  0x0 (hci4)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:ib-comp-unb-wq  state:I stack:30712 pid: 2040 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:ib_mcast        state:I stack:30712 pid: 2043 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:ib_nl_sa_wq     state:I stack:30712 pid: 2044 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/0:1H    state:I stack:27984 pid: 2047 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_highpri)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:rpciod          state:I stack:29760 pid: 2048 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:xprtiod         state:I stack:30712 pid: 2049 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:cfg80211        state:I stack:30712 pid: 2052 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kswapd0         state:S stack:30440 pid: 2151 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 kswapd_try_to_sleep mm/vmscan.c:4084 [inline]
 kswapd+0x8df/0xa80 mm/vmscan.c:4145
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kswapd1         state:S stack:29848 pid: 2157 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 kswapd_try_to_sleep mm/vmscan.c:4084 [inline]
 kswapd+0x8df/0xa80 mm/vmscan.c:4145
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:ecryptfs-kthrea state:S stack:30144 pid: 2161 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 freezable_schedule include/linux/freezer.h:172 [inline]
 ecryptfs_threadfn+0x350/0x560 fs/ecryptfs/kthread.c:48
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:nfsiod          state:I stack:30120 pid: 2162 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:cifsiod         state:I stack:30712 pid: 2165 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:smb3decryptd    state:I stack:30712 pid: 2166 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:cifsfileinfoput state:I stack:30712 pid: 2167 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:cifsoplockd     state:I stack:30344 pid: 2168 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:deferredclose   state:I stack:30712 pid: 2169 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:jfsIO           state:S stack:30344 pid: 2175 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 jfsIOWait+0x119/0x290 fs/jfs/jfs_logmgr.c:2341
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:jfsCommit       state:S stack:30040 pid: 2176 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 jfs_lazycommit+0x2b3/0x9c0 fs/jfs/jfs_txnmgr.c:2789
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:jfsCommit       state:S stack:30712 pid: 2177 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 jfs_lazycommit+0x2b3/0x9c0 fs/jfs/jfs_txnmgr.c:2789
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:jfsSync         state:S stack:30168 pid: 2178 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 jfs_sync+0x29e/0x710 fs/jfs/jfs_txnmgr.c:2975
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:xfsalloc        state:I stack:30400 pid: 2179 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:xfs_mru_cache   state:I stack:30120 pid: 2182 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:user_dlm        state:I stack:30120 pid: 2185 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:glock_workqueue state:I stack:30400 pid: 2187 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:delete_workqueu state:I stack:30120 pid: 2188 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:gfs_recovery    state:I stack:30120 pid: 2189 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kthrotld        state:I stack:30064 pid: 2194 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:acpi_thermal_pm state:I stack:30344 pid: 2239 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:nfit            state:I stack:30400 pid: 2242 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:hwrng           state:S stack:30536 pid: 2815 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 add_hwgenerator_randomness+0x13e/0x190 drivers/char/random.c:2286
 hwrng_fillfn+0x137/0x1e0 drivers/char/hw_random/core.c:446
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:card1-crtc0     state:S stack:30704 pid: 2831 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 kthread_worker_fn+0x4c5/0xa00 kernel/kthread.c:769
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/0:2     state:I stack:25696 pid: 2961 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:iscsi_eh        state:I stack:30712 pid: 2983 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:iscsi_conn_clea state:I stack:30656 pid: 2989 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:scsi_eh_0       state:S stack:30136 pid: 3000 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 scsi_error_handler+0x4ac/0x1270 drivers/scsi/scsi_error.c:2220
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:scsi_tmf_0      state:I stack:30712 pid: 3001 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:nvme-wq         state:I stack:29760 pid: 3013 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:nvme-reset-wq   state:I stack:29760 pid: 3015 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:nvme-delete-wq  state:I stack:30400 pid: 3017 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:nvme_fc_wq      state:I stack:30712 pid: 3026 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:nvme_tcp_wq     state:I stack:29760 pid: 3029 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:nvmet-zbd-wq    state:I stack:29760 pid: 3030 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:nvmet-buffered- state:I stack:29760 pid: 3031 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:target_completi state:I stack:29760 pid: 3040 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:target_submissi state:I stack:29760 pid: 3041 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:xcopy_wq        state:I stack:30120 pid: 3042 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 rescuer_thread+0x65d/0xb80 kernel/workqueue.c:2585
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
task:kworker/1:1H    state:I stack:27528 pid: 3053 ppid:     2 flags:0x00004000
Workqueue:  0x0 (kblockd)
Call Trace:
 context_switch kernel/sched/core.c:4683 [inline]
 __schedule+0x907/0x26b0 kernel/sched/core.c:5940
 schedule+0xd3/0x270 kernel/sched/core.c:6019
 worker_thread+0x14d/0x1040 kernel/workqueue.c:2443
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295