CPU 2 old state 78 new state 1 WARNING: CPU: 2 PID: 111 at kernel/rcu/srcutree.c:702 srcu_check_nmi_safety+0x10e/0x130 kernel/rcu/srcutree.c:702 Modules linked in: CPU: 2 PID: 111 Comm: kswapd0 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:srcu_check_nmi_safety+0x10e/0x130 kernel/rcu/srcutree.c:702 Code: c0 74 11 3c 03 7f 0d 89 54 24 04 e8 4c 57 77 00 8b 54 24 04 8b b3 c8 01 00 00 44 89 e1 48 c7 c7 60 43 2e 8b e8 b3 a5 dc ff 90 <0f> 0b 90 90 e9 7b ff ff ff e8 24 57 77 00 e9 65 ff ff ff e8 4a 57 RSP: 0018:ffffc90000e5ede8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffe8ffad282080 RCX: ffffffff81511289 RDX: ffff88801a19c880 RSI: ffffffff81511296 RDI: 0000000000000001 RBP: ffffc90007c728a8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000005 R12: 0000000000000001 R13: ffff8880203cf200 R14: ffffc90007c728a8 R15: ffffc90007c72828 FS: 0000000000000000(0000) GS:ffff88802c200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555a9a3bdc08 CR3: 000000005b51a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: srcu_read_lock include/linux/srcu.h:213 [inline] __kvm_handle_hva_range arch/x86/kvm/../../../virt/kvm/kvm_main.c:615 [inline] kvm_handle_hva_range arch/x86/kvm/../../../virt/kvm/kvm_main.c:686 [inline] kvm_mmu_notifier_clear_flush_young+0x132/0x700 arch/x86/kvm/../../../virt/kvm/kvm_main.c:869 __mmu_notifier_clear_flush_young+0x110/0x1e0 mm/mmu_notifier.c:377 mmu_notifier_clear_flush_young include/linux/mmu_notifier.h:410 [inline] folio_referenced_one+0x5c9/0xf50 mm/rmap.c:884 rmap_walk_anon+0x2c8/0x700 mm/rmap.c:2605 rmap_walk mm/rmap.c:2683 [inline] rmap_walk mm/rmap.c:2678 [inline] folio_referenced+0x29e/0x5b0 mm/rmap.c:993 folio_check_references mm/vmscan.c:835 [inline] shrink_folio_list+0x271c/0x4150 mm/vmscan.c:1169 evict_folios+0x6e6/0x1bf0 mm/vmscan.c:4553 try_to_shrink_lruvec+0x618/0x9b0 mm/vmscan.c:4749 shrink_one+0x3f8/0x7c0 mm/vmscan.c:4788 shrink_many mm/vmscan.c:4851 [inline] lru_gen_shrink_node+0x89f/0x1750 mm/vmscan.c:4951 shrink_node mm/vmscan.c:5910 [inline] kswapd_shrink_node mm/vmscan.c:6720 [inline] balance_pgdat+0x1105/0x1970 mm/vmscan.c:6911 kswapd+0x5ea/0xbf0 mm/vmscan.c:7180 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244