[  735]     0   735     5695      495      15       3        0         -1000 udevd
[  736]     0   736     5695      495      15       3        0         -1000 udevd
[  741]     0   741     5695      495      15       3        0         -1000 udevd
INFO: rcu_preempt detected stalls on CPUs/tasks:
	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5351
	(detected by 1, t=10502 jiffies, g=28700, c=28699, q=22)
blkid           R  running task    27552  5351    635 0x00000000
Call Trace:
 preempt_schedule_common+0x4f/0xd0 kernel/sched/core.c:3579
 ___preempt_schedule+0x16/0x18
 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock+0x3b/0x40 kernel/locking/spinlock.c:184
 spin_unlock include/linux/spinlock.h:357 [inline]
 task_unlock include/linux/sched/task.h:136 [inline]
 dump_tasks mm/oom_kill.c:403 [inline]
 dump_header+0x7bb/0x848 mm/oom_kill.c:428
 oom_kill_process.cold+0x10/0xde6 mm/oom_kill.c:861
 out_of_memory mm/oom_kill.c:1084 [inline]
 out_of_memory+0x2d2/0xab0 mm/oom_kill.c:1023
 __alloc_pages_may_oom mm/page_alloc.c:3415 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4112 [inline]
 __alloc_pages_nodemask+0x1988/0x2370 mm/page_alloc.c:4277
 __alloc_pages include/linux/gfp.h:484 [inline]
 __alloc_pages_node include/linux/gfp.h:497 [inline]
 alloc_pages_node include/linux/gfp.h:511 [inline]
 alloc_zeroed_user_highpage_movable include/linux/highmem.h:184 [inline]
 do_anonymous_page mm/memory.c:3133 [inline]
 handle_pte_fault mm/memory.c:3987 [inline]
 __handle_mm_fault+0x1116/0x2700 mm/memory.c:4113
 handle_mm_fault+0x2f1/0x6da mm/memory.c:4150
 __do_page_fault+0x477/0xbb0 arch/x86/mm/fault.c:1420
 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1122
RIP: 07ff:0x23a0320
[  742]     0   742     5695      495      15       3        0         -1000 udevd
RSP: c6d01f10:000000000239feb0 EFLAGS: 0000000a
blkid           R
[  743]     0   743     5695      495      15       3        0         -1000 udevd
  running task    27552  5351    635 0x00000000
Call Trace:
[  744]     0   744     5695      496      15       3        0         -1000 udevd
[  745]     0   745     5695      496      15       3        0         -1000 udevd
[  746]     0   746     5695      496      15       3        0         -1000 udevd
[  747]     0   747     5695      496      15       3        0         -1000 udevd
[  749]     0   749     5695      496      15       3        0         -1000 udevd
[  750]     0   750     5695      496      15       3        0         -1000 udevd
[  751]     0   751     5695      496      15       3        0         -1000 udevd
[  752]     0   752     5695      496      15       3        0         -1000 udevd
[  753]     0   753     5695      496      15       3        0         -1000 udevd
[  762]     0   762     5695      496      15       3        0         -1000 udevd
[  763]     0   763     5695      496      15       3        0         -1000 udevd
[  764]     0   764     5695      497      15       3        0         -1000 udevd
[  765]     0   765     5695      497      15       3        0         -1000 udevd
[  766]     0   766     5695      497      15       3        0         -1000 udevd