loop4: detected capacity change from 0 to 1764 kvm: vcpu 1: requested lapic timer restore with starting count register 0x390=4091629214 (65466067424 ns) > initial count (185248 ns). Using initial count to start timer. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4919 at arch/x86/kvm/x86.c:11207 kvm_arch_vcpu_ioctl_run+0x22b1/0x2470 Modules linked in: CPU: 0 PID: 4919 Comm: syz.4.356 Not tainted 6.1.98-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x22b1/0x2470 arch/x86/kvm/x86.c:11207 Code: e8 c4 79 d1 00 e9 62 eb ff ff 44 89 f9 80 e1 07 38 c1 0f 8c 6a eb ff ff 4c 89 ff e8 a9 79 d1 00 e9 5d eb ff ff e8 bf f5 79 00 <0f> 0b e9 07 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 05 f9 ff RSP: 0018:ffffc9000552fc68 EFLAGS: 00010283 RAX: ffffffff8110a091 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000a0ca000 RSI: 00000000000003de RDI: 00000000000003df RBP: ffff88805d5fd26c R08: ffffffff8117fa21 R09: fffffbfff2093868 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888022e61dc0 R13: ffff88805d5fcf80 R14: ffff88805aec9000 R15: dffffc0000000000 FS: 00007f9ba5a2e6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3190fff8 CR3: 000000001bbe9000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_vcpu_ioctl+0x7f0/0xcf0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4122 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f9ba4b75bd9 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:00007f9ba5a2e048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9ba4d03f60 RCX: 00007f9ba4b75bd9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007f9ba4be4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9ba4d03f60 R15: 00007ffd0a895338