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: 0 PID: 7114 Comm: kworker/u17:1 Not tainted 6.0.0-rc1-syzkaller-00160-g4c2d0b039c5c #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: kvm tdp_mmu_zap_root_work 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 e7 e7 17 0c 01 0f 0b e9 05 fc ff ff e8 3c 34 ca ff 48 c7 c6 40 20 f8 89 48 89 ef e8 dd 00 00 00 <0f> 0b e8 26 34 ca ff 0f 0b e9 f5 fa ff ff e8 1a 34 ca ff 48 c7 c6 RSP: 0018:ffffc90003127888 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888018a2a100 RSI: ffffffff81b105d3 RDI: 0000000000000003 RBP: ffffea0001400000 R08: 0000000000000003 R09: 000000000000ffff R10: 000000000000ffff R11: 0000000000000000 R12: 0000000000000000 R13: ffff88802c834d08 R14: dffffc0000000000 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000065bbb000 CR4: 0000000000152ef0 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:2893 [inline] kvm_set_pfn_accessed arch/x86/kvm/../../../virt/kvm/kvm_main.c:2965 [inline] kvm_set_pfn_accessed+0x23b/0x2a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2959 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_atomic arch/x86/kvm/mmu/tdp_mmu.c:654 [inline] __tdp_mmu_zap_root+0x370/0x860 arch/x86/kvm/mmu/tdp_mmu.c:864 tdp_mmu_zap_root+0x12e/0x330 arch/x86/kvm/mmu/tdp_mmu.c:899 tdp_mmu_zap_root_work+0x47/0x70 arch/x86/kvm/mmu/tdp_mmu.c:109 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 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 e7 e7 17 0c 01 0f 0b e9 05 fc ff ff e8 3c 34 ca ff 48 c7 c6 40 20 f8 89 48 89 ef e8 dd 00 00 00 <0f> 0b e8 26 34 ca ff 0f 0b e9 f5 fa ff ff e8 1a 34 ca ff 48 c7 c6 RSP: 0018:ffffc90003127888 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888018a2a100 RSI: ffffffff81b105d3 RDI: 0000000000000003 RBP: ffffea0001400000 R08: 0000000000000003 R09: 000000000000ffff R10: 000000000000ffff R11: 0000000000000000 R12: 0000000000000000 R13: ffff88802c834d08 R14: dffffc0000000000 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000065bbb000 CR4: 0000000000152ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400