3 locks held by kworker/1:11/9465:
 #0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888100062d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x15c0 kernel/workqueue.c:2246
 #1: ffffc9000659fda8 ((work_completion)(&gadget->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15c0 kernel/workqueue.c:2250
 #2: ffffffff877eb848 (kernfs_mutex){+.+.}-{3:3}, at: kernfs_find_and_get_ns+0x21/0x60 fs/kernfs/dir.c:904
=============================================
rcu: INFO: rcu_sched self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=97a/1/0x4000000000000000 softirq=11166/11167 fqs=5 
	(t=11792 jiffies g=12997 q=519)
rcu: rcu_sched kthread starved for 1903 jiffies! g12997 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_sched       state:R  running task     stack:29624 pid:   11 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_timeout+0x148/0x250 kernel/time/timer.c:1878
 rcu_gp_fqs_loop kernel/rcu/tree.c:1940 [inline]
 rcu_gp_kthread+0x9dc/0x17d0 kernel/rcu/tree.c:2113
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
NMI backtrace for cpu 0
CPU: 0 PID: 2646 Comm: systemd-udevd Not tainted 5.10.0-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+0x107/0x163 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x3c/0xef lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x1da/0x200 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x1f4/0x230 kernel/rcu/tree_stall.h:337
 print_cpu_stall kernel/rcu/tree_stall.h:569 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:643 [inline]
 rcu_pending kernel/rcu/tree.c:3751 [inline]
 rcu_sched_clock_irq.cold+0x55a/0xa37 kernel/rcu/tree.c:2580
 update_process_times+0x139/0x1b0 kernel/time/timer.c:1782
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
 tick_sched_timer+0x1a4/0x2c0 kernel/time/tick-sched.c:1376
 __run_hrtimer kernel/time/hrtimer.c:1519 [inline]
 __hrtimer_run_queues+0x1c0/0xde0 kernel/time/hrtimer.c:1583
 hrtimer_interrupt+0x300/0x910 kernel/time/hrtimer.c:1645
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0xf5/0x440 arch/x86/kernel/apic/apic.c:1102
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0x3e/0xa0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:__preempt_count_sub arch/x86/include/asm/preempt.h:84 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x40 kernel/locking/spinlock.c:191
Code: 80 00 00 00 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 aa 99 66 fb 48 89 ef e8 92 4a 67 fb f6 c7 02 75 0c 53 9d <65> ff 0d 14 2d 41 7a 5b 5d c3 e8 fc 40 85 fb eb ed 66 2e 0f 1f 84
RSP: 0018:ffffc90000007c88 EFLAGS: 00000246
RAX: 00000000001602d0 RBX: 0000000000000246 RCX: ffffffff8126e037
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85c0c1f4
RBP: ffff888111892218 R08: 0000000000000001 R09: ffffffff8a02c67f
R10: fffffbfff14058cf R11: 0000000000000000 R12: 0000000000000246
R13: ffff888111892218 R14: 0000000000000021 R15: ffff888111892108
 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
 input_repeat_key+0x118/0x380 drivers/input/input.c:201
 call_timer_fn+0x1a5/0x690 kernel/time/timer.c:1417
 expire_timers kernel/time/timer.c:1462 [inline]
 __run_timers.part.0+0x692/0xa50 kernel/time/timer.c:1731
 __run_timers kernel/time/timer.c:1712 [inline]
 run_timer_softirq+0x80/0x120 kernel/time/timer.c:1744
 __do_softirq+0x1b7/0x9c5 kernel/softirq.c:343
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:226 [inline]
 __irq_exit_rcu+0x119/0x1b0 kernel/softirq.c:420
 irq_exit_rcu+0x5/0x10 kernel/softirq.c:432
 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:kernfs_put+0x31/0x50 fs/kernfs/dir.c:511
Code: 4f aa ff 48 85 ed 74 33 e8 8c 4f aa ff be 04 00 00 00 48 89 ef e8 0f a5 d6 ff f0 ff 4d 00 0f 94 c3 31 ff 89 de e8 ef 55 aa ff <84> db 74 0d e8 66 4f aa ff 48 89 ef e8 5e fa ff ff 5b 5d e9 57 4f
RSP: 0018:ffffc90000247d50 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 000000005807a700 RCX: ffff88810fa14d40
RDX: 0000000000000000 RSI: ffff88810fa14d40 RDI: 0000000000000003
RBP: ffff88810698ce80 R08: 0000000000000001 R09: 000000005807a700
R10: ffffffff8195f5b1 R11: 0000000000000000 R12: ffff88810698ce80
R13: ffff88810698a3a0 R14: 000000005807a702 R15: ffffffff862b7f40
 kernfs_dir_pos+0x253/0x2a0 fs/kernfs/dir.c:1619
 kernfs_dir_next_pos fs/kernfs/dir.c:1650 [inline]
 kernfs_fop_readdir+0x3fc/0x890 fs/kernfs/dir.c:1679
 iterate_dir+0x4eb/0x660 fs/readdir.c:65
 __do_sys_getdents fs/readdir.c:283 [inline]
 __se_sys_getdents fs/readdir.c:268 [inline]
 __x64_sys_getdents+0x13a/0x2b0 fs/readdir.c:268
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fb97ed2af2b
Code: fc ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 57 41 56 48 63 ff 41 55 41 54 b8 4e 00 00 00 55 53 48 89 f3 48 83 ec 08 0f 05 <48> 3d 00 f0 ff ff 77 55 48 8d 2c 06 49 89 c4 48 39 ee 73 34 90 44
RSP: 002b:00007ffe4e53abb0 EFLAGS: 00000202 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00005614a8a769b0 RCX: 00007fb97ed2af2b
RDX: 0000000000008000 RSI: 00005614a8a769b0 RDI: 000000000000000e
RBP: 00005614a8a769b0 R08: 00007fb97f0112a8 R09: 0000000000008040
R10: 0000000000000020 R11: 0000000000000202 R12: fffffffffffffe50
R13: 0000000000000000 R14: 0000000000000100 R15: 00007ffe4e53ace0
task:systemd         state:D stack:22896 pid:    1 ppid:     0 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x7ef/0x10e0 kernel/locking/mutex.c:1103
 kernfs_iop_permission+0x5f/0xb0 fs/kernfs/inode.c:284
 do_inode_permission fs/namei.c:398 [inline]
 inode_permission fs/namei.c:463 [inline]
 inode_permission+0x2d1/0x380 fs/namei.c:439
 may_lookup fs/namei.c:1575 [inline]
 link_path_walk.part.0+0x7a9/0xc20 fs/namei.c:2126
 link_path_walk fs/namei.c:2113 [inline]
 path_openat+0x29c/0x27a0 fs/namei.c:3365
 do_filp_open+0x17e/0x3c0 fs/namei.c:3396
 do_sys_openat2+0x16d/0x420 fs/open.c:1172
 do_sys_open fs/open.c:1188 [inline]
 __do_sys_open fs/open.c:1196 [inline]
 __se_sys_open fs/open.c:1192 [inline]
 __x64_sys_open+0x119/0x1c0 fs/open.c:1192
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fcc3b96070d
RSP: 002b:00007fff7038c690 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000055eda864d0e0 RCX: 00007fcc3b96070d
RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 000055eda8692760
RBP: 0000000000000008 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000080000 R11: 0000000000000293 R12: 00007fcc3d09a7b4
R13: 0000000000000001 R14: 000055eda863c560 R15: 0000000000000000
task:kthreadd        state:S stack:28248 pid:    2 ppid:     0 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 kthreadd+0x59d/0x750 kernel/kthread.c:621
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:rcu_gp          state:I stack:30184 pid:    3 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:rcu_par_gp      state:I stack:30792 pid:    4 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/0:0     state:I stack:29760 pid:    5 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/0:0H    state:I stack:29744 pid:    6 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_highpri)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/0:1     state:I stack:22600 pid:    7 ppid:     2 flags:0x00004000
Workqueue:  0x0 (rcu_gp)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/u4:0    state:I stack:27712 pid:    8 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:mm_percpu_wq    state:I stack:30928 pid:    9 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:ksoftirqd/0     state:S stack:26120 pid:   10 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 smpboot_thread_fn+0x589/0x870 kernel/smpboot.c:161
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:rcu_sched       state:I stack:29624 pid:   11 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_timeout+0x148/0x250 kernel/time/timer.c:1878
 rcu_gp_fqs_loop kernel/rcu/tree.c:1940 [inline]
 rcu_gp_kthread+0x9dc/0x17d0 kernel/rcu/tree.c:2113
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:migration/0     state:R  running task     stack:30656 pid:   12 ppid:     2 flags:0x00004000
Stopper: 0x0 <- 0x0
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 smpboot_thread_fn+0x589/0x870 kernel/smpboot.c:161
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:cpuhp/0         state:S stack:28056 pid:   13 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 smpboot_thread_fn+0x589/0x870 kernel/smpboot.c:161
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:cpuhp/1         state:S stack:28200 pid:   14 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 smpboot_thread_fn+0x589/0x870 kernel/smpboot.c:161
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:migration/1     state:S stack:30440 pid:   15 ppid:     2 flags:0x00004000
Stopper: 0x0 <- 0x0
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 smpboot_thread_fn+0x589/0x870 kernel/smpboot.c:161
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:ksoftirqd/1     state:S stack:25632 pid:   16 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 smpboot_thread_fn+0x589/0x870 kernel/smpboot.c:161
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/1:0     state:D stack:22400 pid:   17 ppid:     2 flags:0x00004000
Workqueue: events usb_gadget_state_work
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x7ef/0x10e0 kernel/locking/mutex.c:1103
 kernfs_find_and_get_ns+0x21/0x60 fs/kernfs/dir.c:904
 kernfs_find_and_get include/linux/kernfs.h:548 [inline]
 sysfs_notify+0x8f/0xd0 fs/sysfs/file.c:183
 usb_gadget_state_work+0x44/0x60 drivers/usb/gadget/udc/core.c:1013
 process_one_work+0x98d/0x15c0 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/1:0H    state:I stack:27976 pid:   18 ppid:     2 flags:0x00004000
Workqueue:  0x0 (kblockd)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kdevtmpfs       state:S stack:27512 pid:   19 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 devtmpfs_work_loop drivers/base/devtmpfs.c:401 [inline]
 devtmpfsd+0x30d/0x333 drivers/base/devtmpfs.c:434
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:netns           state:I stack:30712 pid:   20 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:inet_frag_wq    state:I stack:30712 pid:   21 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/u4:1    state:I stack:24224 pid:   22 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/u4:2    state:I stack:24664 pid:   27 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/1:1     state:I stack:23200 pid:   32 ppid:     2 flags:0x00004000
Workqueue:  0x0 (mm_percpu_wq)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kauditd         state:S stack:30184 pid:   33 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 freezable_schedule include/linux/freezer.h:172 [inline]
 kauditd_thread+0x786/0xc80 kernel/audit.c:881
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/u4:3    state:I stack:23936 pid:   45 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:khungtaskd      state:S stack:30616 pid: 1267 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_timeout+0x148/0x250 kernel/time/timer.c:1878
 watchdog+0xf9/0x1080 kernel/hung_task.c:298
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:oom_reaper      state:S stack:30352 pid: 1269 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 freezable_schedule include/linux/freezer.h:172 [inline]
 oom_reaper+0x99b/0xd50 mm/oom_kill.c:647
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:writeback       state:I stack:30712 pid: 1270 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kcompactd0      state:S stack:29640 pid: 1272 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_timeout+0x148/0x250 kernel/time/timer.c:1878
 freezable_schedule_timeout include/linux/freezer.h:192 [inline]
 kcompactd+0x583/0xcc0 mm/compaction.c:2857
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kblockd         state:I stack:30712 pid: 1297 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:tpm_dev_wq      state:I stack:30312 pid: 1385 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:ata_sff         state:I stack:30312 pid: 1393 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:md              state:I stack:29840 pid: 1427 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:edac-poller     state:I stack:30928 pid: 1430 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/0:2     state:I stack:23032 pid: 1513 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/0:1H    state:I stack:29024 pid: 1547 ppid:     2 flags:0x00004000
Workqueue:  0x0 (kblockd)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:rpciod          state:I stack:30712 pid: 1548 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/u5:0    state:I stack:30832 pid: 1549 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:xprtiod         state:I stack:30712 pid: 1550 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:cfg80211        state:I stack:30328 pid: 1553 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kswapd0         state:S stack:30088 pid: 1578 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 kswapd_try_to_sleep mm/vmscan.c:3844 [inline]
 kswapd+0xb78/0xd70 mm/vmscan.c:3905
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:nfsiod          state:I stack:30328 pid: 1580 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:acpi_thermal_pm state:I stack:30616 pid: 1614 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:hwrng           state:S stack:30424 pid: 1660 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 add_hwgenerator_randomness+0x1b0/0x220 drivers/char/random.c:2310
 hwrng_fillfn+0x1e7/0x2d0 drivers/char/hw_random/core.c:452
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:scsi_eh_0       state:S stack:30640 pid: 1703 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 scsi_error_handler+0x529/0xec0 drivers/scsi/scsi_error.c:2212
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:scsi_tmf_0      state:I stack:30712 pid: 1704 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/1:1H    state:I stack:28960 pid: 1718 ppid:     2 flags:0x00004000
Workqueue:  0x0 (kblockd)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:target_completi state:I stack:30712 pid: 1730 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:xcopy_wq        state:I stack:30712 pid: 1731 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:libertastf      state:I stack:30712 pid: 1793 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:zd1211rw        state:I stack:30504 pid: 1812 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:u132            state:I stack:30504 pid: 1877 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:uas             state:I stack:30712 pid: 1889 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:usbip_event     state:I stack:30328 pid: 2173 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:pvrusb2-context state:S stack:30456 pid: 2385 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 pvr2_context_thread_func+0x5e2/0x850 drivers/media/usb/pvrusb2/pvrusb2-context.c:160
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kvub300c        state:I stack:30640 pid: 2424 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kvub300p        state:I stack:30712 pid: 2425 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kvub300d        state:I stack:30712 pid: 2426 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kmemstick       state:I stack:30584 pid: 2430 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:elousb          state:I stack:30312 pid: 2453 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:ipv6_addrconf   state:I stack:30712 pid: 2588 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/0:3     state:R  running task     stack:22168 pid: 2606 ppid:     2 flags:0x00004000
Workqueue:  0x0 (events_power_efficient)
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:ext4-rsv-conver state:I stack:30712 pid: 2610 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:kworker/1:2     state:D stack:22896 pid: 2626 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_timeout+0x148/0x250 kernel/time/timer.c:1878
 schedule_timeout_uninterruptible kernel/time/timer.c:1912 [inline]
 msleep+0xa4/0xf0 kernel/time/timer.c:2032
 hub_port_wait_reset drivers/usb/core/hub.c:2788 [inline]
 hub_port_reset+0x3de/0x1940 drivers/usb/core/hub.c:2917
 hub_port_init+0x1cc/0x2ee0 drivers/usb/core/hub.c:4586
 hub_port_connect drivers/usb/core/hub.c:5155 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 port_event drivers/usb/core/hub.c:5509 [inline]
 hub_event+0x2181/0x42d0 drivers/usb/core/hub.c:5591
 process_one_work+0x98d/0x15c0 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x38c/0x460 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
task:systemd-journal state:D stack:24112 pid: 2632 ppid:     1 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:5216
 __mutex_lock_common kernel/locking/mutex.c:1033 [inline]
 __mutex_lock+0x7ef/0x10e0 kernel/locking/mutex.c:1103
 kernfs_iop_permission+0x5f/0xb0 fs/kernfs/inode.c:284
 do_inode_permission fs/namei.c:398 [inline]
 inode_permission fs/namei.c:463 [inline]
 inode_permission+0x2d1/0x380 fs/namei.c:439
 may_lookup fs/namei.c:1575 [inline]
 link_path_walk.part.0+0x7a9/0xc20 fs/namei.c:2126
 link_path_walk fs/namei.c:2112 [inline]
 path_lookupat+0xb7/0x830 fs/namei.c:2333
 filename_lookup+0x19f/0x560 fs/namei.c:2367
 do_readlinkat+0xcd/0x2f0 fs/stat.c:407
 __do_sys_readlinkat fs/stat.c:434 [inline]
 __se_sys_readlinkat fs/stat.c:431 [inline]
 __x64_sys_readlinkat+0x93/0xf0 fs/stat.c:431
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f63c16710ba
RSP: 002b:00007ffce4742ec8 EFLAGS: 00000202 ORIG_RAX: 000000000000010b
RAX: ffffffffffffffda RBX: 0000557b6f798a10 RCX: 00007f63c16710ba
RDX: 0000557b6f798a10 RSI: 00007ffce4742ff0 RDI: 00000000ffffff9c
RBP: 0000000000000064 R08: 00007f63c20b5940 R09: 0000000000000070
R10: 0000000000000063 R11: 0000000000000202 R12: 00007ffce4742ff0
R13: 00000000ffffff9c R14: 00007ffce4742f20 R15: 0000000000000063
task:systemd-udevd   state:R  running task     stack:23000 pid: 2646 ppid:     1 flags:0x00000008
Call Trace:
 <IRQ>
 sched_show_task kernel/sched/core.c:7008 [inline]
 sched_show_task+0x479/0x5d0 kernel/sched/core.c:6982
 show_state_filter+0x101/0x2f0 kernel/sched/core.c:7051
 k_spec drivers/tty/vt/keyboard.c:648 [inline]
 k_spec+0xe1/0x130 drivers/tty/vt/keyboard.c:637
 kbd_keycode drivers/tty/vt/keyboard.c:1502 [inline]
 kbd_event+0xc8e/0x1770 drivers/tty/vt/keyboard.c:1521
 input_to_handler+0x3b9/0x4c0 drivers/input/input.c:118
 input_pass_values.part.0+0x2ed/0x760 drivers/input/input.c:145
 input_pass_values drivers/input/input.c:181 [inline]
 input_repeat_key+0x283/0x380 drivers/input/input.c:194
 call_timer_fn+0x1a5/0x690 kernel/time/timer.c:1417
 expire_timers kernel/time/timer.c:1462 [inline]
 __run_timers.part.0+0x692/0xa50 kernel/time/timer.c:1731
 __run_timers kernel/time/timer.c:1712 [inline]
 run_timer_softirq+0x80/0x120 kernel/time/timer.c:1744
 __do_softirq+0x1b7/0x9c5 kernel/softirq.c:343
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:226 [inline]
 __irq_exit_rcu+0x119/0x1b0 kernel/softirq.c:420
 irq_exit_rcu+0x5/0x10 kernel/softirq.c:432
 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:kernfs_put+0x31/0x50 fs/kernfs/dir.c:511
Code: 4f aa ff 48 85 ed 74 33 e8 8c 4f aa ff be 04 00 00 00 48 89 ef e8 0f a5 d6 ff f0 ff 4d 00 0f 94 c3 31 ff 89 de e8 ef 55 aa ff <84> db 74 0d e8 66 4f aa ff 48 89 ef e8 5e fa ff ff 5b 5d e9 57 4f
RSP: 0018:ffffc90000247d50 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 000000005807a700 RCX: ffff88810fa14d40
RDX: 0000000000000000 RSI: ffff88810fa14d40 RDI: 0000000000000003
RBP: ffff88810698ce80 R08: 0000000000000001 R09: 000000005807a700
R10: ffffffff8195f5b1 R11: 0000000000000000 R12: ffff88810698ce80
R13: ffff88810698a3a0 R14: 000000005807a702 R15: ffffffff862b7f40
 kernfs_dir_pos+0x253/0x2a0 fs/kernfs/dir.c:1619
 kernfs_dir_next_pos fs/kernfs/dir.c:1650 [inline]
 kernfs_fop_readdir+0x3fc/0x890 fs/kernfs/dir.c:1679
 iterate_dir+0x4eb/0x660 fs/readdir.c:65
 __do_sys_getdents fs/readdir.c:283 [inline]
 __se_sys_getdents fs/readdir.c:268 [inline]
 __x64_sys_getdents+0x13a/0x2b0 fs/readdir.c:268
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fb97ed2af2b
Code: fc ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 57 41 56 48 63 ff 41 55 41 54 b8 4e 00 00 00 55 53 48 89 f3 48 83 ec 08 0f 05 <48> 3d 00 f0 ff ff 77 55 48 8d 2c 06 49 89 c4 48 39 ee 73 34 90 44
RSP: 002b:00007ffe4e53abb0 EFLAGS: 00000202 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00005614a8a769b0 RCX: 00007fb97ed2af2b
RDX: 0000000000008000 RSI: 00005614a8a769b0 RDI: 000000000000000e
RBP: 00005614a8a769b0 R08: 00007fb97f0112a8 R09: 0000000000008040
R10: 0000000000000020 R11: 0000000000000202 R12: fffffffffffffe50
R13: 0000000000000000 R14: 0000000000000100 R15: 00007ffe4e53ace0
task:systemd-timesyn state:S stack:27616 pid: 2714 ppid:     1 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_hrtimeout_range_clock+0x333/0x380 kernel/time/hrtimer.c:2130
 ep_poll fs/eventpoll.c:1823 [inline]
 do_epoll_wait+0x189c/0x1c20 fs/eventpoll.c:2213
 __do_sys_epoll_wait fs/eventpoll.c:2223 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2220 [inline]
 __x64_sys_epoll_wait+0x93/0xf0 fs/eventpoll.c:2220
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f1472392303
RSP: 002b:00007ffde4052030 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 000055a2744828f0 RCX: 00007f1472392303
RDX: 0000000000000006 RSI: 00007ffde4052040 RDI: 0000000000000004
RBP: 00007ffde4052190 R08: 431bde82d7b634db R09: 00007ffde408e0f0
R10: 00000000ffffffff R11: 0000000000000293 R12: 00007ffde4052040
R13: 0000000000000001 R14: ffffffffffffffff R15: 0000000000000000
task:sd-resolve      state:S stack:28824 pid: 2715 ppid:     1 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_timeout+0x1d8/0x250 kernel/time/timer.c:1854
 __skb_wait_for_more_packets+0x35b/0x5e0 net/core/datagram.c:122
 unix_dgram_recvmsg+0x1ff/0xb60 net/unix/af_unix.c:2112
 sock_recvmsg_nosec net/socket.c:886 [inline]
 sock_recvmsg net/socket.c:904 [inline]
 sock_recvmsg net/socket.c:900 [inline]
 __sys_recvfrom+0x248/0x3a0 net/socket.c:2032
 __do_sys_recvfrom net/socket.c:2050 [inline]
 __se_sys_recvfrom net/socket.c:2046 [inline]
 __x64_sys_recvfrom+0xdd/0x1b0 net/socket.c:2046
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f147265851f
RSP: 002b:00007f146fdd3aa0 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f147265851f
RDX: 0000000000002800 RSI: 00007f146fdd3ca0 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000002800 R14: 00007f146fdd3ca0 R15: 00007f146fdd8ca0
task:dhclient        state:S stack:27632 pid: 2716 ppid:     1 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_hrtimeout_range_clock+0x195/0x380 kernel/time/hrtimer.c:2139
 poll_schedule_timeout.constprop.0+0x107/0x1e0 fs/select.c:243
 do_select+0x123f/0x16f0 fs/select.c:603
 core_sys_select+0x403/0xa20 fs/select.c:677
 kern_select+0x13d/0x1c0 fs/select.c:718
 __do_sys_select fs/select.c:725 [inline]
 __se_sys_select fs/select.c:722 [inline]
 __x64_sys_select+0xba/0x150 fs/select.c:722
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f83780235e3
RSP: 002b:00007ffdc81964b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000017
RAX: ffffffffffffffda RBX: 00007f8378b05010 RCX: 00007f83780235e3
RDX: 00007f8378b04210 RSI: 00007f8378b04110 RDI: 0000000000000007
RBP: 00007ffdc81964f8 R08: 00007ffdc8196510 R09: 0000000000000c82
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdc8196510
R13: 00007ffdc8196500 R14: 00007ffdc8196508 R15: 0000000000000000
task:cron            state:S stack:24112 pid: 4279 ppid:     1 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 freezable_schedule include/linux/freezer.h:172 [inline]
 do_nanosleep+0x1b1/0x6b0 kernel/time/hrtimer.c:1878
 hrtimer_nanosleep+0x1f9/0x430 kernel/time/hrtimer.c:1931
 __do_sys_nanosleep kernel/time/hrtimer.c:1965 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:1952 [inline]
 __x64_sys_nanosleep+0x1dc/0x260 kernel/time/hrtimer.c:1952
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7ff5a4da1270
RSP: 002b:00007ffe9b8e58b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: fffffffffffffeb0 RCX: 00007ff5a4da1270
RDX: 00007ffe9b8f8080 RSI: 00007ffe9b8e58c0 RDI: 00007ffe9b8e58c0
RBP: 0000000000000002 R08: 0000000000000002 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9b8e5a10 R14: 0000000000000000 R15: 0000000000000000
task:rsyslogd        state:S stack:23696 pid: 4282 ppid:     1 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_hrtimeout_range_clock+0x195/0x380 kernel/time/hrtimer.c:2139
 poll_schedule_timeout.constprop.0+0x107/0x1e0 fs/select.c:243
 do_select+0x123f/0x16f0 fs/select.c:603
 core_sys_select+0x403/0xa20 fs/select.c:677
 kern_select+0x13d/0x1c0 fs/select.c:718
 __do_sys_select fs/select.c:725 [inline]
 __se_sys_select fs/select.c:722 [inline]
 __x64_sys_select+0xba/0x150 fs/select.c:722
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f8a59d39603
RSP: 002b:00007ffdab98eb40 EFLAGS: 00000293 ORIG_RAX: 0000000000000017
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8a59d39603
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 00005648dda79040 R08: 00007ffdab98eb60 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffdab98eb60
R13: 00005648dda79008 R14: 00007ffdab98eb58 R15: 0000000000000000
task:in:imuxsock     state:S stack:27840 pid: 4283 ppid:     1 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_hrtimeout_range_clock+0x333/0x380 kernel/time/hrtimer.c:2130
 poll_schedule_timeout.constprop.0+0x107/0x1e0 fs/select.c:243
 do_select+0x123f/0x16f0 fs/select.c:603
 core_sys_select+0x403/0xa20 fs/select.c:677
 kern_select+0x13d/0x1c0 fs/select.c:718
 __do_sys_select fs/select.c:725 [inline]
 __se_sys_select fs/select.c:722 [inline]
 __x64_sys_select+0xba/0x150 fs/select.c:722
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f8a59d39603
RSP: 002b:00007f8a589e8d20 EFLAGS: 00000293 ORIG_RAX: 0000000000000017
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a59d39603
RDX: 0000000000000000 RSI: 00007f8a589e8d40 RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000004000001
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 0000000000000001 R14: 00007f8a589e8d40 R15: 0000000000000003
task:in:imklog       state:S stack:28880 pid: 4284 ppid:     1 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 do_syslog.part.0+0x246/0x810 kernel/printk/printk.c:1564
 do_syslog+0x49/0x60 kernel/printk/printk.c:1549
 kmsg_read+0x90/0xb0 fs/proc/kmsg.c:40
 pde_read fs/proc/inode.c:321 [inline]
 proc_reg_read+0x119/0x300 fs/proc/inode.c:331
 vfs_read+0x1b5/0x570 fs/read_write.c:494
 ksys_read+0x12d/0x250 fs/read_write.c:634
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f8a5ac2b22d
RSP: 002b:00007f8a585c7580 EFLAGS: 00000293 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a5ac2b22d
RDX: 0000000000001fa0 RSI: 00007f8a585c7da0 RDI: 0000000000000004
RBP: 00005648df1d29d0 R08: 0000000000000000 R09: 0000000000000000
R10: 2ce33e6c02ce33e7 R11: 0000000000000293 R12: 00007f8a585c7da0
R13: 0000000000001fa0 R14: 0000000000001f9f R15: 00007f8a585c8240
task:rs:main Q:Reg   state:S stack:27392 pid: 4285 ppid:     1 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 freezable_schedule include/linux/freezer.h:172 [inline]
 futex_wait_queue_me+0x2a7/0x570 kernel/futex.c:2602
 futex_wait+0x1db/0x580 kernel/futex.c:2704
 do_futex+0x15b/0x1990 kernel/futex.c:3763
 __do_sys_futex kernel/futex.c:3826 [inline]
 __se_sys_futex kernel/futex.c:3792 [inline]
 __x64_sys_futex+0x3be/0x5e0 kernel/futex.c:3792
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f8a5ac2817f
RSP: 002b:00007f8a53ffec70 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a5ac2817f
RDX: 0000000000000c1b RSI: 0000000000000080 RDI: 00005648df1cf28c
RBP: 00005648df1cf288 R08: 00005648df1cf000 R09: 000000000000060d
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a53ffecd0
R13: 0000000000000000 R14: 00005648dda68290 R15: 0000000000000000
task:sshd            state:S stack:27632 pid: 4288 ppid:     1 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_hrtimeout_range_clock+0x333/0x380 kernel/time/hrtimer.c:2130
 poll_schedule_timeout.constprop.0+0x107/0x1e0 fs/select.c:243
 do_select+0x123f/0x16f0 fs/select.c:603
 core_sys_select+0x403/0xa20 fs/select.c:677
 kern_select+0x13d/0x1c0 fs/select.c:718
 __do_sys_select fs/select.c:725 [inline]
 __se_sys_select fs/select.c:722 [inline]
 __x64_sys_select+0xba/0x150 fs/select.c:722
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fc5a2ed35e3
RSP: 002b:00007ffdc367a688 EFLAGS: 00000246 ORIG_RAX: 0000000000000017
RAX: ffffffffffffffda RBX: 000055cd0bc3e6d0 RCX: 00007fc5a2ed35e3
RDX: 0000000000000000 RSI: 000055cd0bc3e6d0 RDI: 0000000000000007
RBP: 0000000000000064 R08: 0000000000000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdc367a904
R13: 0000000000000000 R14: 000055cd0a6c8ce8 R15: 0000000000000063
task:agetty          state:S stack:24240 pid: 4289 ppid:     1 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_timeout+0x1d8/0x250 kernel/time/timer.c:1854
 wait_woken+0x1ef/0x250 kernel/sched/wait.c:433
 n_tty_read+0x1655/0x1ac0 drivers/tty/n_tty.c:2228
 tty_read+0x190/0x290 drivers/tty/tty_io.c:868
 vfs_read+0x1b5/0x570 fs/read_write.c:494
 ksys_read+0x12d/0x250 fs/read_write.c:634
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f90b183a910
RSP: 002b:00007ffead9f0f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ffead9f0f6f RCX: 00007f90b183a910
RDX: 0000000000000001 RSI: 00007ffead9f0f6f RDI: 0000000000000000
RBP: 000000000000001e R08: ffffffffffffff98 R09: 00007ffead9efdc0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000055f4e180d900 R14: 00007ffead9f0f70 R15: 0000000000000012
task:agetty          state:S stack:27856 pid: 4290 ppid:     1 flags:0x00000000
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x909/0x1fd0 kernel/sched/core.c:5078
 schedule+0xcb/0x270 kernel/sched/core.c:5157
 schedule_hrtimeout_range_clock+0x333/0x380 kernel/time/hrtimer.c:2130
 poll_schedule_timeout.constprop.0+0x107/0x1e0 fs/select.c:243
 do_select+0x123f/0x16f0 fs/select.c:603
 core_sys_select+0x403/0xa20 fs/select.c:677