------------[ cut here ]------------ WARNING: arch/x86/kvm/x86.c:11572 at vcpu_block arch/x86/kvm/x86.c:11572 [inline], CPU#0: syz.5.4252/21064 WARNING: arch/x86/kvm/x86.c:11572 at vcpu_run+0x6e17/0x7040 arch/x86/kvm/x86.c:11614, CPU#0: syz.5.4252/21064 Modules linked in: CPU: 0 UID: 0 PID: 21064 Comm: syz.5.4252 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:vcpu_block arch/x86/kvm/x86.c:11572 [inline] RIP: 0010:vcpu_run+0x6e17/0x7040 arch/x86/kvm/x86.c:11614 Code: 48 83 c3 20 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 16 02 00 00 44 88 33 eb 10 e8 b1 9f 79 00 eb 09 e8 aa 9f 79 00 90 <0f> 0b 90 45 31 ed 48 c7 84 24 c0 02 00 00 0e 36 e0 45 48 8b 84 24 RSP: 0018:ffffc90003bf75e0 EFLAGS: 00010287 RAX: ffffffff81469466 RBX: 00000000fffffff0 RCX: 0000000000080000 RDX: ffffc90013989000 RSI: 00000000000003d6 RDI: 00000000000003d7 RBP: ffffc90003bf79b0 R08: ffff88807c7a2ae7 R09: 1ffff1100f8f455c R10: dffffc0000000000 R11: ffffed100f8f455d R12: ffff88807bf900d8 R13: ffff88807bf90038 R14: ffff88807bf90000 R15: dffffc0000000000 FS: 00007f8d562e66c0(0000) GS:ffff888125d2d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d65d9cf98 CR3: 000000005e8c0000 CR4: 00000000003526f0 Call Trace: kvm_arch_vcpu_ioctl_run+0xfc9/0x1940 arch/x86/kvm/x86.c:11951 kvm_vcpu_ioctl+0x95c/0xe90 virt/kvm/kvm_main.c:4476 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8d5538eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8d562e6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8d555e5fa0 RCX: 00007f8d5538eec9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007f8d55411f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8d555e6038 R14: 00007f8d555e5fa0 R15: 00007ffd3bc060d8