#1: ffffc900012932e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c3/0x1cf0 drivers/tty/n_tty.c:2178
2 locks held by agetty/8093:
 #0: ffff888021c6f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:266
 #1: ffffc900012532e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c3/0x1cf0 drivers/tty/n_tty.c:2178
=============================================
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (1 GPs behind) idle=e02/0/0x3 softirq=73913/73914 fqs=0 
	(t=12080 jiffies g=113881 q=66)
NMI backtrace for cpu 0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.12.0-rc8-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:79 [inline]
 dump_stack+0x202/0x31e lib/dump_stack.c:120
 nmi_cpu_backtrace+0x16c/0x190 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x191/0x2f0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x22d/0x390 kernel/rcu/tree_stall.h:341
 print_cpu_stall kernel/rcu/tree_stall.h:622 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:697 [inline]
 rcu_pending kernel/rcu/tree.c:3830 [inline]
 rcu_sched_clock_irq+0x1cd7/0x29f0 kernel/rcu/tree.c:2650
 update_process_times+0x197/0x200 kernel/time/timer.c:1796
 tick_sched_handle kernel/time/tick-sched.c:226 [inline]
 tick_sched_timer+0x27d/0x420 kernel/time/tick-sched.c:1369
 __run_hrtimer kernel/time/hrtimer.c:1537 [inline]
 __hrtimer_run_queues+0x4cb/0xa60 kernel/time/hrtimer.c:1601
 hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xbc/0x120 kernel/locking/spinlock.c:191
Code: f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 da 01 18 f8 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> cf 3e a9 f7 65 8b 05 50 e5 54 76 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc90000007800 EFLAGS: 00000206
RAX: 1ffff92000000f04 RBX: ffff8881445c8000 RCX: ffffffff816123b9
RDX: dffffc0000000000 RSI: 0000000000000102 RDI: 0000000000000001
RBP: ffffc90000007890 R08: dffffc0000000000 R09: fffffbfff1f992d0
R10: fffffbfff1f992d0 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff92000000f00 R14: ffffc90000007820 R15: 0000000000000a06
 dummy_timer+0x3002/0x3100 drivers/usb/gadget/udc/dummy_hcd.c:1980
 call_timer_fn+0xf6/0x210 kernel/time/timer.c:1431
 expire_timers kernel/time/timer.c:1476 [inline]
 __run_timers+0x6ff/0x910 kernel/time/timer.c:1745
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1758
 __do_softirq+0x372/0x7a6 kernel/softirq.c:345
 invoke_softirq kernel/softirq.c:221 [inline]
 __irq_exit_rcu+0x22c/0x260 kernel/softirq.c:422
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:434
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:137 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline]
RIP: 0010:acpi_idle_do_entry drivers/acpi/processor_idle.c:517 [inline]
RIP: 0010:acpi_idle_enter+0x430/0x780 drivers/acpi/processor_idle.c:652
Code: e3 08 44 8b 7c 24 04 0f 85 0d 01 00 00 48 8d 5c 24 40 e8 73 e5 3c fd e9 0c 00 00 00 e8 f9 af 36 fd 0f 00 2d d2 39 36 06 fb f4 <9c> 8f 44 24 40 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df
RSP: 0018:ffffffff8ca07bc0 EFLAGS: 00000282
RAX: 60ecab7c4e2c1d00 RBX: ffffffff8ca07c00 RCX: ffffffff9031ab03
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff8ca07c70 R08: ffffffff8184c100 R09: fffffbfff1957689
R10: fffffbfff1957689 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88801539a064 R14: ffff88801539a000 R15: 0000000000000001
 cpuidle_enter_state+0x509/0xe60 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:158 [inline]
 cpuidle_idle_call kernel/sched/idle.c:239 [inline]
 do_idle+0x3ae/0x600 kernel/sched/idle.c:300
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:397
 start_kernel+0x49e/0x544 init/main.c:1064
 secondary_startup_64_no_verify+0xb0/0xbb
task:systemd         state:S stack:17496 pid:    1 ppid:     0 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 schedule_hrtimeout_range_clock+0x2aa/0x440 kernel/time/hrtimer.c:2148
 ep_poll+0x18ec/0x1e90 fs/eventpoll.c:1842
 do_epoll_wait+0x1b2/0x230 fs/eventpoll.c:2220
 __do_sys_epoll_wait fs/eventpoll.c:2232 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2227 [inline]
 __x64_sys_epoll_wait+0x2cf/0x320 fs/eventpoll.c:2227
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fd39dc00303
RSP: 002b:00007ffdfbac0140 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 00005594fc76cf50 RCX: 00007fd39dc00303
RDX: 0000000000000025 RSI: 00007ffdfbac0150 RDI: 0000000000000004
RBP: 00007ffdfbac0410 R08: 431bde82d7b634db R09: 00000000000034c0
R10: 00000000ffffffff R11: 0000000000000293 R12: 00007ffdfbac0150
R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000002
task:kthreadd        state:S stack:25048 pid:    2 ppid:     0 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 kthreadd+0x45a/0x7b0 kernel/kthread.c:646
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:rcu_gp          state:I stack:27960 pid:    3 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:rcu_par_gp      state:I stack:28848 pid:    4 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/0:0H    state:I stack:25784 pid:    6 ppid:     2 flags:0x00004000
Workqueue:  0x0 (kblockd)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/0:1     state:I stack:18456 pid:    7 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/u4:0    state:R  running task     stack:21296 pid:    9 ppid:     2 flags:0x00004000
Workqueue:  0x0 (phy6)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:mm_percpu_wq    state:I stack:28848 pid:   10 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:rcu_tasks_kthre state:S stack:26216 pid:   11 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rcu_tasks_kthread+0x460/0x640 kernel/rcu/tasks.h:211
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:rcu_tasks_trace state:S stack:27432 pid:   12 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rcu_tasks_kthread+0x460/0x640 kernel/rcu/tasks.h:211
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:ksoftirqd/0     state:S stack:18128 pid:   13 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 smpboot_thread_fn+0x6b0/0xa50 kernel/smpboot.c:161
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:rcu_preempt     state:I stack:26320 pid:   14 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 schedule_timeout+0x1aa/0x2c0 kernel/time/timer.c:1892
 rcu_gp_fqs_loop kernel/rcu/tree.c:2005 [inline]
 rcu_gp_kthread+0x112d/0x2110 kernel/rcu/tree.c:2178
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:migration/0     state:R  running task     stack:28912 pid:   15 ppid:     2 flags:0x00004000
Stopper: 0x0 <- 0x0
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 smpboot_thread_fn+0x6b0/0xa50 kernel/smpboot.c:161
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:cpuhp/0         state:S stack:24488 pid:   16 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 smpboot_thread_fn+0x6b0/0xa50 kernel/smpboot.c:161
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:cpuhp/1         state:S stack:24888 pid:   17 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 smpboot_thread_fn+0x6b0/0xa50 kernel/smpboot.c:161
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:migration/1     state:S stack:27856 pid:   18 ppid:     2 flags:0x00004000
Stopper: 0x0 <- 0x0
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 smpboot_thread_fn+0x6b0/0xa50 kernel/smpboot.c:161
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:ksoftirqd/1     state:S stack:18032 pid:   19 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 smpboot_thread_fn+0x6b0/0xa50 kernel/smpboot.c:161
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/1:0     state:I stack:17816 pid:   20 ppid:     2 flags:0x00004000
Workqueue:  0x0 (wg-crypt-wg1)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/1:0H    state:I stack:26056 pid:   21 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_highpri)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kdevtmpfs       state:S stack:24056 pid:   22 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 devtmpfs_work_loop+0xb8/0x1090 drivers/base/devtmpfs.c:404
 devtmpfsd+0x38/0x40 drivers/base/devtmpfs.c:437
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:netns           state:I stack:28848 pid:   23 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:inet_frag_wq    state:I stack:28976 pid:   24 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/u4:1    state:I stack:21296 pid:   25 ppid:     2 flags:0x00004000
Workqueue:  0x0 (phy8)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kauditd         state:S stack:26736 pid:   37 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 freezable_schedule include/linux/freezer.h:172 [inline]
 kauditd_thread+0x806/0xab0 kernel/audit.c:881
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/u4:2    state:I stack:20056 pid:   38 ppid:     2 flags:0x00004000
Workqueue:  0x0 (phy8)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/u4:3    state:I stack:19256 pid:  127 ppid:     2 flags:0x00004000
Workqueue:  0x0 (phy8)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:khungtaskd      state:S stack:26608 pid: 1618 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 schedule_timeout+0x1aa/0x2c0 kernel/time/timer.c:1892
 watchdog+0x90/0xd40 kernel/hung_task.c:298
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:oom_reaper      state:S stack:28976 pid: 1619 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 freezable_schedule include/linux/freezer.h:172 [inline]
 oom_reaper+0x14f/0x6e0 mm/oom_kill.c:646
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:writeback       state:I stack:28976 pid: 1620 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kcompactd0      state:S stack:22488 pid: 1622 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 schedule_timeout+0x1aa/0x2c0 kernel/time/timer.c:1892
 freezable_schedule_timeout include/linux/freezer.h:192 [inline]
 kcompactd+0xff0/0x26c0 mm/compaction.c:2865
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kcompactd1      state:R  running task     stack:25680 pid: 1623 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 schedule_timeout+0x1aa/0x2c0 kernel/time/timer.c:1892
 freezable_schedule_timeout include/linux/freezer.h:192 [inline]
 kcompactd+0xff0/0x26c0 mm/compaction.c:2865
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:ksmd            state:S stack:28808 pid: 1624 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 freezable_schedule include/linux/freezer.h:172 [inline]
 ksm_scan_thread+0x4c8/0x790 mm/ksm.c:2430
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:khugepaged      state:S stack:19192 pid: 1625 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 schedule_timeout+0x1aa/0x2c0 kernel/time/timer.c:1892
 freezable_schedule_timeout include/linux/freezer.h:192 [inline]
 khugepaged_wait_work mm/khugepaged.c:2256 [inline]
 khugepaged+0x5cb/0x890 mm/khugepaged.c:2275
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:pencrypt_serial state:I stack:28976 pid: 1661 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:pdecrypt_serial state:I stack:28976 pid: 1663 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:cryptd          state:I stack:28976 pid: 1665 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kintegrityd     state:I stack:28912 pid: 1734 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kblockd         state:I stack:28912 pid: 1736 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:blkcg_punt_bio  state:I stack:28976 pid: 1737 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:tpm_dev_wq      state:I stack:28848 pid: 1825 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:ata_sff         state:I stack:27056 pid: 1841 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:md              state:I stack:28976 pid: 1875 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:edac-poller     state:I stack:28848 pid: 1878 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:ib-comp-wq      state:I stack:28304 pid: 1996 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/u5:0    state:I stack:23992 pid: 1998 ppid:     2 flags:0x00004000
Workqueue:  0x0 (hci2)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:ib-comp-unb-wq  state:I stack:28848 pid: 1999 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:ib_mcast        state:I stack:26608 pid: 2002 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:ib_nl_sa_wq     state:I stack:28848 pid: 2003 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/1:1H    state:I stack:24840 pid: 2006 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_highpri)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:rpciod          state:I stack:26608 pid: 2007 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:xprtiod         state:I stack:28848 pid: 2008 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:cfg80211        state:I stack:28848 pid: 2011 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kswapd0         state:S stack:23176 pid: 2115 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 kswapd_try_to_sleep+0x9b5/0xc20 mm/vmscan.c:3836
 kswapd+0x331/0x1c60 mm/vmscan.c:3897
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kswapd1         state:S stack:27920 pid: 2116 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 kswapd_try_to_sleep+0x9b5/0xc20 mm/vmscan.c:3836
 kswapd+0x331/0x1c60 mm/vmscan.c:3897
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:ecryptfs-kthrea state:S stack:28976 pid: 2120 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 freezable_schedule include/linux/freezer.h:172 [inline]
 ecryptfs_threadfn+0x42c/0x5b0 fs/ecryptfs/kthread.c:48
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:nfsiod          state:I stack:28848 pid: 2123 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:cifsiod         state:I stack:28848 pid: 2124 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:smb3decryptd    state:I stack:28848 pid: 2125 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:cifsfileinfoput state:I stack:28848 pid: 2126 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:cifsoplockd     state:I stack:28848 pid: 2127 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:cifs-dfscache   state:I stack:28848 pid: 2128 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:jfsIO           state:S stack:28976 pid: 2134 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 jfsIOWait+0x203/0x410 fs/jfs/jfs_logmgr.c:2340
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:jfsCommit       state:S stack:28040 pid: 2135 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 jfs_lazycommit+0xa1d/0xce0 fs/jfs/jfs_txnmgr.c:2789
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:jfsCommit       state:S stack:28944 pid: 2136 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 jfs_lazycommit+0xa1d/0xce0 fs/jfs/jfs_txnmgr.c:2789
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:jfsSync         state:S stack:28976 pid: 2137 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 jfs_sync+0x61b/0x850 fs/jfs/jfs_txnmgr.c:2975
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:xfsalloc        state:I stack:28848 pid: 2138 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:xfs_mru_cache   state:I stack:28848 pid: 2141 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:user_dlm        state:I stack:28848 pid: 2144 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:glock_workqueue state:I stack:28848 pid: 2146 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:delete_workqueu state:I stack:28848 pid: 2147 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:gfs_recovery    state:I stack:28848 pid: 2148 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kthrotld        state:I stack:28848 pid: 2153 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:acpi_thermal_pm state:I stack:28848 pid: 2199 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:nfit            state:I stack:28848 pid: 2201 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:hwrng           state:S stack:27080 pid: 2775 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 add_hwgenerator_randomness+0x166/0x280 drivers/char/random.c:2297
 hwrng_fillfn+0x2b5/0x370 drivers/char/hw_random/core.c:452
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:card1-crtc0     state:S stack:28976 pid: 2792 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 kthread_worker_fn+0x567/0x800 kernel/kthread.c:742
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/0:1H    state:I stack:26216 pid: 2909 ppid:     2 flags:0x00004000
Workqueue:  0x0 (kblockd)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/1:2     state:D stack:19408 pid: 2923 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 usb_kill_urb+0x1c5/0x300 drivers/usb/core/urb.c:711
 usb_hcd_flush_endpoint+0x37f/0x410 drivers/usb/core/hcd.c:1810
 usb_disable_endpoint drivers/usb/core/message.c:1297 [inline]
 usb_disable_interface+0x233/0x310 drivers/usb/core/message.c:1343
 usb_unbind_interface+0x1bb/0x860 drivers/usb/core/driver.c:456
 __device_release_driver drivers/base/dd.c:1161 [inline]
 device_release_driver_internal+0x51e/0x7b0 drivers/base/dd.c:1192
 bus_remove_device+0x300/0x420 drivers/base/bus.c:533
 device_del+0x6e1/0xc10 drivers/base/core.c:3421
 usb_disable_device+0x407/0x800 drivers/usb/core/message.c:1413
 usb_disconnect+0x33a/0x8a0 drivers/usb/core/hub.c:2218
 hub_port_connect+0x297/0x26d0 drivers/usb/core/hub.c:5074
 hub_port_connect_change+0x5d0/0xbf0 drivers/usb/core/hub.c:5363
 port_event+0xaee/0x1140 drivers/usb/core/hub.c:5509
 hub_event+0x48d/0xd90 drivers/usb/core/hub.c:5591
 process_one_work+0x833/0x10c0 kernel/workqueue.c:2275
 worker_thread+0xac1/0x1300 kernel/workqueue.c:2421
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:iscsi_eh        state:I stack:28432 pid: 2946 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:iscsi_destroy   state:I stack:28976 pid: 2951 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:scsi_eh_0       state:S stack:28848 pid: 2962 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 scsi_error_handler+0x428/0x1850 drivers/scsi/scsi_error.c:2231
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:scsi_tmf_0      state:I stack:28848 pid: 2963 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:nvme-wq         state:I stack:28848 pid: 2975 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:nvme-reset-wq   state:I stack:28848 pid: 2976 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:nvme-delete-wq  state:I stack:28848 pid: 2979 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:nvme_fc_wq      state:I stack:28848 pid: 2986 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:nvme_tcp_wq     state:I stack:26608 pid: 2990 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:nvmet-buffered- state:I stack:28848 pid: 2991 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:target_completi state:I stack:26608 pid: 3000 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:xcopy_wq        state:I stack:26608 pid: 3001 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:bond0           state:I stack:28848 pid: 3012 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:kworker/u4:5    state:I stack:21296 pid: 3085 ppid:     2 flags:0x00004000
Workqueue:  0x0 (phy3)
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 worker_thread+0xfe6/0x1300 kernel/workqueue.c:2442
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:mlx4            state:I stack:28848 pid: 3109 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:phy0            state:I stack:26608 pid: 3153 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:phy1            state:I stack:28848 pid: 3158 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:firewire        state:I stack:28848 pid: 3204 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
task:firewire_ohci   state:I stack:26608 pid: 3205 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0xa4d/0xf80 kernel/sched/core.c:5073
 schedule+0x14b/0x200 kernel/sched/core.c:5152
 rescuer_thread+0xfe8/0x1110 kernel/workqueue.c:2584