proactive_compact_node+0x103/0x1c0 mm/compaction.c:2668 kcompactd+0x5af/0xf20 mm/compaction.c:2978 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 ------------[ cut here ]------------ kernel BUG at include/linux/memcontrol.h:478! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 8563 Comm: syz-executor.2 Not tainted 6.0.0-rc6-syzkaller-00009-g60891ec99e14 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:folio_memcg_rcu include/linux/memcontrol.h:478 [inline] RIP: 0010:workingset_activation+0x5e3/0x6c0 mm/workingset.c:413 Code: 48 89 ef e8 ff 00 00 00 c6 05 c8 37 18 0c 01 0f 0b e9 05 fc ff ff e8 cc 33 ca ff 48 c7 c6 e0 25 f8 89 48 89 ef e8 dd 00 00 00 <0f> 0b e8 b6 33 ca ff 0f 0b e9 f5 fa ff ff e8 aa 33 ca ff 48 c7 c6 RSP: 0018:ffffc9000df176f8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88800f47c240 RSI: ffffffff81b10433 RDI: 0000000000000003 RBP: ffffea0001280000 R08: 0000000000000003 R09: 000000000000ffff R10: 000000000000ffff R11: 0000000000000000 R12: 0000000000000000 R13: ffff88802ca34d08 R14: dffffc0000000000 R15: 0000000000000003 FS: 0000555557537400(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c040000 CR3: 0000000026602000 CR4: 0000000000152ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: folio_mark_accessed+0x591/0xda0 mm/swap.c:463 kvm_set_page_accessed arch/x86/kvm/../../../virt/kvm/kvm_main.c:2895 [inline] kvm_set_pfn_accessed arch/x86/kvm/../../../virt/kvm/kvm_main.c:2967 [inline] kvm_set_pfn_accessed+0x23b/0x2a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2961 handle_changed_spte_acc_track arch/x86/kvm/mmu/tdp_mmu.c:354 [inline] handle_changed_spte_acc_track+0x1bc/0x290 arch/x86/kvm/mmu/tdp_mmu.c:346 handle_changed_spte arch/x86/kvm/mmu/tdp_mmu.c:609 [inline] handle_removed_pt arch/x86/kvm/mmu/tdp_mmu.c:493 [inline] __handle_changed_spte+0xc75/0x1810 arch/x86/kvm/mmu/tdp_mmu.c:600 handle_changed_spte arch/x86/kvm/mmu/tdp_mmu.c:607 [inline] handle_removed_pt arch/x86/kvm/mmu/tdp_mmu.c:493 [inline] __handle_changed_spte+0xc66/0x1810 arch/x86/kvm/mmu/tdp_mmu.c:600 __tdp_mmu_set_spte+0x229/0x9d0 arch/x86/kvm/mmu/tdp_mmu.c:732 _tdp_mmu_set_spte arch/x86/kvm/mmu/tdp_mmu.c:748 [inline] tdp_mmu_set_spte arch/x86/kvm/mmu/tdp_mmu.c:757 [inline] __tdp_mmu_zap_root+0x7e7/0x860 arch/x86/kvm/mmu/tdp_mmu.c:863 tdp_mmu_zap_root+0x12e/0x330 arch/x86/kvm/mmu/tdp_mmu.c:899 kvm_tdp_mmu_zap_all+0x154/0x1b0 arch/x86/kvm/mmu/tdp_mmu.c:1003 kvm_mmu_zap_all+0x27c/0x2c0 arch/x86/kvm/mmu/mmu.c:6500 kvm_flush_shadow_all arch/x86/kvm/../../../virt/kvm/kvm_main.c:383 [inline] kvm_mmu_notifier_release+0x5c/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:895 mmu_notifier_unregister+0x124/0x3b0 mm/mmu_notifier.c:838 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1306 [inline] kvm_put_kvm+0x48e/0xb70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1354 kvm_vcpu_release+0x4d/0x70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3818 __fput+0x277/0x9d0 fs/file_table.c:320 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2aabc3c04b Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007ffcd3583ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000008 RCX: 00007f2aabc3c04b RDX: 0000000000000000 RSI: 00007f2aaba2d240 RDI: 0000000000000007 RBP: 00007f2aabd9d980 R08: 0000000000000000 R09: 00000000f303f34e R10: 0000000000000000 R11: 0000000000000293 R12: 000000000006c07a R13: 00007ffcd3583da0 R14: 00007f2aabd9c050 R15: 0000000000000032 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_memcg_rcu include/linux/memcontrol.h:478 [inline] RIP: 0010:workingset_activation+0x5e3/0x6c0 mm/workingset.c:413 Code: 48 89 ef e8 ff 00 00 00 c6 05 c8 37 18 0c 01 0f 0b e9 05 fc ff ff e8 cc 33 ca ff 48 c7 c6 e0 25 f8 89 48 89 ef e8 dd 00 00 00 <0f> 0b e8 b6 33 ca ff 0f 0b e9 f5 fa ff ff e8 aa 33 ca ff 48 c7 c6 RSP: 0018:ffffc9000df176f8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88800f47c240 RSI: ffffffff81b10433 RDI: 0000000000000003 RBP: ffffea0001280000 R08: 0000000000000003 R09: 000000000000ffff R10: 000000000000ffff R11: 0000000000000000 R12: 0000000000000000 R13: ffff88802ca34d08 R14: dffffc0000000000 R15: 0000000000000003 FS: 0000555557537400(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c040000 CR3: 0000000026602000 CR4: 0000000000152ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400