kvm: vcpu 1: requested 128 ns lapic timer period limited to 200000 ns kvm: vcpu 1: requested lapic timer restore with starting count register 0x390=1812281087 (231971979136 ns) > initial count (200000 ns). Using initial count to start timer. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 2695 at arch/x86/kvm/x86.c:11118 kvm_arch_vcpu_ioctl_run+0x16da/0x19b0 arch/x86/kvm/x86.c:11118 Modules linked in: CPU: 1 PID: 2695 Comm: syz-executor.5 Not tainted 6.5.0-rc6-syzkaller-00253-g9e6c269de404 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x16da/0x19b0 arch/x86/kvm/x86.c:11118 Code: c7 c7 c0 85 62 8a c6 05 23 60 82 0d 01 e8 ce 5a 39 00 0f 0b e9 be fc ff ff e8 82 98 72 00 0f 0b e9 36 fc ff ff e8 76 98 72 00 <0f> 0b e9 b0 fb ff ff e8 6a 98 72 00 0f b6 05 f4 5f 82 0d 31 ff 89 RSP: 0018:ffffc90005c3fce0 EFLAGS: 00010287 RAX: 0000000000000782 RBX: ffff88802f79a8c0 RCX: ffffc9000e7e6000 RDX: 0000000000040000 RSI: ffffffff8113702a RDI: 0000000000000001 RBP: ffff888021a65000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802f79a8ec R13: 0000000000000001 R14: ffff88802f79a998 R15: ffff88802f79a8f0 FS: 00007f8d3bc796c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3002b000 CR3: 000000008e458000 CR4: 00000000003526e0 Call Trace: kvm_vcpu_ioctl+0x59f/0x1040 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4124 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8d3ae7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8d3bc790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8d3af9c050 RCX: 00007f8d3ae7cae9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007f8d3aec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f8d3af9c050 R15: 00007f8d3b0bfa48