rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P2/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=131109, q=818748 ncpus=2)
task:kthreadd        state:R  running task     stack:26584 pid:2     tgid:2     ppid:0      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5295 [inline]
 __schedule+0xfee/0x6120 kernel/sched/core.c:6908
 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7235
 irqentry_exit+0x17b/0x670 kernel/entry/common.c:239
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:unwind_next_frame+0x59e/0x1ea0 arch/x86/kernel/unwind_orc.c:530
Code: 83 e2 07 41 83 e7 01 38 d0 7f 08 84 c0 0f 85 ca 12 00 00 45 88 7d 35 44 0f b6 71 04 41 83 e6 0f 41 80 fe 06 0f 84 ef 0a 00 00 <0f> 87 f3 01 00 00 41 80 fe 04 0f 84 58 0a 00 00 41 80 fe 05 0f 84
RSP: 0018:ffffc90000077598 EFLAGS: 00000297
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff9187c654
RDX: 0000000000000005 RSI: 0000000000000001 RDI: ffffffff90fbeef4
RBP: ffffc90000077650 R08: ffffffff9187c658 R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000018044 R12: ffffc90000077658
R13: ffffc90000077608 R14: 0000000000000005 R15: 0000000000000000
 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 save_stack+0x162/0x1e0 mm/page_owner.c:165
 __reset_page_owner+0x84/0x190 mm/page_owner.c:320
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0x7e1/0x10d0 mm/page_alloc.c:2978
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xe0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4542 [inline]
 slab_alloc_node mm/slub.c:4869 [inline]
 __do_kmalloc_node mm/slub.c:5262 [inline]
 __kmalloc_noprof+0x2b9/0x850 mm/slub.c:5275
 kmalloc_noprof include/linux/slab.h:954 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 lsm_blob_alloc+0x68/0x90 security/security.c:192
 lsm_task_alloc security/security.c:244 [inline]
 security_task_alloc+0x2a/0x260 security/security.c:2682
 copy_process+0x2531/0x7a10 kernel/fork.c:2205
 kernel_clone+0xfc/0x9a0 kernel/fork.c:2654
 kernel_thread+0xdb/0x120 kernel/fork.c:2715
 create_kthread kernel/kthread.c:459 [inline]
 kthreadd+0x498/0x7a0 kernel/kthread.c:817
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>