------------[ cut here ]------------ WARNING: CPU: 0 PID: 5968 at arch/x86/kvm/mmu/mmu.c:3579 mmu_free_root_page+0x390/0x450 arch/x86/kvm/mmu/mmu.c:3579 Modules linked in: CPU: 0 PID: 5968 Comm: syz-executor.4 Not tainted 6.9.0-rc4-syzkaller-00214-g13a2e429f644 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:mmu_free_root_page+0x390/0x450 arch/x86/kvm/mmu/mmu.c:3579 Code: 60 0f 85 d1 00 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 4b 82 77 00 e9 5b fd ff ff e8 41 82 77 00 90 <0f> 0b 90 e9 96 fe ff ff e8 33 82 77 00 90 0f 0b 90 e9 a1 fe ff ff RSP: 0018:ffffc900097c72a0 EFLAGS: 00010293 RAX: ffffffff811e7e2f RBX: 0000000000000000 RCX: ffff88802736da00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900097c7350 R08: ffffffff811e7c8c R09: fffff520012f8e5c R10: dffffc0000000000 R11: fffff520012f8e5c R12: dffffc0000000000 R13: 1ffff1100b4b806e R14: 1ffff920012f8e58 R15: ffff88805a5c0370 FS: 00007f6f1ce756c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5739b79198 CR3: 0000000078bbe000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_mmu_free_roots+0x4cb/0x930 arch/x86/kvm/mmu/mmu.c:3631 kvm_mmu_unload arch/x86/kvm/mmu/mmu.c:5638 [inline] kvm_mmu_reset_context arch/x86/kvm/mmu/mmu.c:5596 [inline] kvm_mmu_after_set_cpuid+0x128/0x400 arch/x86/kvm/mmu/mmu.c:5585 kvm_vcpu_after_set_cpuid arch/x86/kvm/cpuid.c:396 [inline] kvm_set_cpuid+0x3531/0x3f80 arch/x86/kvm/cpuid.c:470 kvm_vcpu_ioctl_set_cpuid2+0xbe/0x130 arch/x86/kvm/cpuid.c:537 kvm_arch_vcpu_ioctl+0x154a/0x29a0 arch/x86/kvm/x86.c:5946 kvm_vcpu_ioctl+0x6e0/0xd00 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4620 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6f1c07dc0b Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 RSP: 002b:00007f6f1ce73520 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6f1ce73c70 RCX: 00007f6f1c07dc0b RDX: 00007f6f1ce73c70 RSI: 000000004008ae90 RDI: 0000000000000008 RBP: 0000000020001000 R08: 0000000000000000 R09: 0000000000000009 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000063 R14: 0000000020000000 R15: 0000000020001800