vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 page_owner free stack trace missing ------------[ cut here ]------------ kernel BUG at include/linux/memcontrol.h:478! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 9134 Comm: syz-executor.3 Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #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+0x5d6/0x6d0 mm/workingset.c:413 Code: 48 89 ef e8 1c 01 00 00 c6 05 6e 9b f6 0b 01 0f 0b e9 00 fc ff ff e8 69 21 ca ff 48 c7 c6 c0 c8 d7 89 48 89 ef e8 fa 00 00 00 <0f> 0b e8 53 21 ca ff 0f 0b e9 02 fb ff ff e8 47 21 ca ff 48 c7 c6 RSP: 0018:ffffc9002608f6f8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888021a36100 RSI: ffffffff81af7626 RDI: 0000000000000003 RBP: ffffea0001df0000 R08: 0000000000000003 R09: 000000000000ffff R10: 000000000000ffff R11: 0000000000000001 R12: 0000000000000000 R13: ffff88802ca34ca8 R14: 0000000000000000 R15: 0000000000000003 FS: 0000555555a48400(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c006b8d100 CR3: 0000000071b3e000 CR4: 0000000000152ee0 Call Trace: folio_mark_accessed+0x596/0xdd0 mm/swap.c:440 kvm_set_pfn_accessed arch/x86/kvm/../../../virt/kvm/kvm_main.c:2857 [inline] kvm_set_pfn_accessed+0x1d7/0x220 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2854 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+0xc76/0x1820 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+0xc67/0x1820 arch/x86/kvm/mmu/tdp_mmu.c:600 __tdp_mmu_set_spte+0x229/0x9d0 arch/x86/kvm/mmu/tdp_mmu.c:742 _tdp_mmu_set_spte arch/x86/kvm/mmu/tdp_mmu.c:758 [inline] tdp_mmu_set_spte arch/x86/kvm/mmu/tdp_mmu.c:767 [inline] __tdp_mmu_zap_root+0x7d4/0x840 arch/x86/kvm/mmu/tdp_mmu.c:873 tdp_mmu_zap_root+0x12e/0x330 arch/x86/kvm/mmu/tdp_mmu.c:909 kvm_tdp_mmu_zap_all+0x154/0x1b0 arch/x86/kvm/mmu/tdp_mmu.c:1017 kvm_mmu_zap_all+0x27c/0x2c0 arch/x86/kvm/mmu/mmu.c:6121 kvm_flush_shadow_all arch/x86/kvm/../../../virt/kvm/kvm_main.c:366 [inline] kvm_mmu_notifier_release+0x5c/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:836 mmu_notifier_unregister+0x124/0x3b0 mm/mmu_notifier.c:838 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1237 [inline] kvm_put_kvm+0x48e/0xb70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1285 kvm_vcpu_release+0x4d/0x70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3708 __fput+0x277/0x9d0 fs/file_table.c:317 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+0x46/0xb0 RIP: 0033:0x7fea43a3bd4b 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:00007fffd6407c80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007fea43a3bd4b RDX: 00007fea43ba0a18 RSI: ffffffffffffffff RDI: 0000000000000005 RBP: 00007fea43b9d960 R08: 0000000000000000 R09: 00007fea43ba0a20 R10: 00007fffd6407d80 R11: 0000000000000293 R12: 000000000006618d R13: 00007fffd6407d80 R14: 00007fea43b9bf60 R15: 0000000000000032 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_memcg_rcu include/linux/memcontrol.h:478 [inline] RIP: 0010:workingset_activation+0x5d6/0x6d0 mm/workingset.c:413 Code: 48 89 ef e8 1c 01 00 00 c6 05 6e 9b f6 0b 01 0f 0b e9 00 fc ff ff e8 69 21 ca ff 48 c7 c6 c0 c8 d7 89 48 89 ef e8 fa 00 00 00 <0f> 0b e8 53 21 ca ff 0f 0b e9 02 fb ff ff e8 47 21 ca ff 48 c7 c6 RSP: 0018:ffffc9002608f6f8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888021a36100 RSI: ffffffff81af7626 RDI: 0000000000000003 RBP: ffffea0001df0000 R08: 0000000000000003 R09: 000000000000ffff R10: 000000000000ffff R11: 0000000000000001 R12: 0000000000000000 R13: ffff88802ca34ca8 R14: 0000000000000000 R15: 0000000000000003 FS: 0000555555a48400(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c006b8d100 CR3: 0000000071b3e000 CR4: 0000000000152ee0