kvm: vcpu 1: requested lapic timer restore with starting count register 0x390=2633892388 (5267784776 ns) > initial count (12826628 ns). Using initial count to start timer. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 25308 at arch/x86/kvm/x86.c:11098 kvm_arch_vcpu_ioctl_run+0x265d/0x2b30 arch/x86/kvm/x86.c:11098 Modules linked in: CPU: 1 PID: 25308 Comm: syz-executor.0 Not tainted 6.1.0-rc2-syzkaller-00107-g200204f56f3b #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x265d/0x2b30 arch/x86/kvm/x86.c:11098 Code: fa ff ff e8 a5 38 6a 00 44 89 e6 48 c7 c7 e0 af e2 89 c6 05 9a 02 ba 0c 01 e8 fb 59 37 08 0f 0b e9 db fa ff ff e8 83 38 6a 00 <0f> 0b e9 e1 f9 ff ff e8 77 38 6a 00 0f 0b e9 51 fa ff ff 4c 89 ff RSP: 0018:ffffc9002334fbb8 EFLAGS: 00010212 RAX: 00000000000007b7 RBX: 0000000000000001 RCX: ffffc900047d9000 RDX: 0000000000040000 RSI: ffffffff811263fd RDI: 0000000000000001 RBP: ffff888067b68000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 000000000008c07e R12: ffffc900213637f8 R13: ffff888067b68048 R14: 0000000000000000 R15: ffff888067b682ec FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7f68b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00005566a4ab14e0 CR3: 00000000765a8000 CR4: 0000000000152ef0 Call Trace: kvm_vcpu_ioctl+0x570/0xfc0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4065 kvm_vcpu_compat_ioctl+0x1f0/0x3c0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4265 __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:968 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f6d549 Code: 03 74 c0 01 10 05 03 74 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 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:00000000f7f685cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d a: 10 06 adc %al,(%rsi) c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 10: 10 07 adc %al,(%rdi) 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi 16: 10 08 adc %cl,(%rax) 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 retq 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi