kvm: vcpu 3: requested lapic timer restore with starting count register 0x390=3700707900 (59211326400 ns) > initial count (37335046992 ns). Using initial count to start timer. ------------[ cut here ]------------ WARNING: CPU: 2 PID: 13955 at arch/x86/kvm/x86.c:11118 kvm_arch_vcpu_ioctl_run+0x16da/0x19b0 arch/x86/kvm/x86.c:11118 Modules linked in: CPU: 2 PID: 13955 Comm: syz-executor.2 Not tainted 6.5.0-syzkaller-12053-g744a759492b5 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x16da/0x19b0 arch/x86/kvm/x86.c:11118 Code: c7 c7 80 89 82 8a c6 05 53 8d a4 0d 01 e8 be 4d 3a 00 0f 0b e9 be fc ff ff e8 62 2f 74 00 0f 0b e9 36 fc ff ff e8 56 2f 74 00 <0f> 0b e9 b0 fb ff ff e8 4a 2f 74 00 0f b6 05 24 8d a4 0d 31 ff 89 RSP: 0018:ffffc90028e37bf0 EFLAGS: 00010283 RAX: 00000000000016d9 RBX: ffff88801cf028c0 RCX: ffffc90006001000 RDX: 0000000000040000 RSI: ffffffff811374aa RDI: 0000000000000001 RBP: ffff888076fa5000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88801cf028ec R13: 0000000000000001 R14: ffff88801cf02998 R15: ffff88801cf028f0 FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7f84b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002f327000 CR3: 000000002922d000 CR4: 0000000000352ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_vcpu_ioctl+0x59f/0x1040 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4135 kvm_vcpu_compat_ioctl+0x217/0x3d0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4335 __do_compat_sys_ioctl+0x2bf/0x330 fs/ioctl.c:972 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f89579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f845ac EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi