rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P38/1:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=72385, q=4279 ncpus=2)
task:khugepaged      state:R  running task     stack:27176 pid:38    tgid:38    ppid:2      task_flags:0x200040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6929
 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7256
 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:97 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:115 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:140 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:172 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:191 [inline]
RIP: 0010:kasan_check_range+0x92/0x2c0 mm/kasan/generic.c:200
Code: 4d 89 c1 49 c1 e9 03 48 bb 01 00 00 00 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 <4c> 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 0f 85 de 01 00 00 49 ff c3
RSP: 0018:ffffc90000ae7728 EFLAGS: 00000202
RAX: 0b82f305279e8901 RBX: dffffc0000000001 RCX: ffffffff81fe2649
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea0001f658b4
RBP: ffffc90000ae7a70 R08: ffffea0001f658b7 R09: 1ffffd40003ecb16
R10: dffffc0000000000 R11: fffff940003ecb16 R12: 0000000000000001
R13: 000000007d962867 R14: fffff940003ecb17 R15: 1ffffd40003ecb16
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
 page_ref_count include/linux/page_ref.h:67 [inline]
 put_page_testzero include/linux/mm.h:1101 [inline]
 folio_put_testzero include/linux/mm.h:1107 [inline]
 folio_put include/linux/mm.h:1424 [inline]
 folio_putback_lru+0x29/0xe0 mm/vmscan.c:871
 __collapse_huge_page_copy_succeeded mm/khugepaged.c:714 [inline]
 __collapse_huge_page_copy mm/khugepaged.c:809 [inline]
 collapse_huge_page mm/khugepaged.c:1212 [inline]
 hpage_collapse_scan_pmd+0x2979/0x3bd0 mm/khugepaged.c:1412
 khugepaged_scan_mm_slot mm/khugepaged.c:2469 [inline]
 khugepaged_do_scan mm/khugepaged.c:2553 [inline]
 khugepaged+0x98e/0x16a0 mm/khugepaged.c:2609
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>