kvm: vcpu 2: requested 128 ns lapic timer period limited to 200000 ns kvm: vcpu 2: 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: 6466 at arch/x86/kvm/x86.c:10351 kvm_arch_vcpu_ioctl_run+0x1bc4/0x1f40 arch/x86/kvm/x86.c:10351 Modules linked in: CPU: 1 PID: 6466 Comm: syz.6.350 Not tainted 5.15.188-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bc4/0x1f40 arch/x86/kvm/x86.c:10351 Code: e8 41 5c ae 00 e9 03 e9 ff ff 44 89 f9 80 e1 07 38 c1 0f 8c d5 ed ff ff 4c 89 ff e8 26 5c ae 00 e9 c8 ed ff ff e8 4c e3 68 00 <0f> 0b e9 31 fd ff ff 44 89 f9 80 e1 07 38 c1 0f 8c d2 ed ff ff 4c RSP: 0018:ffffc900030dfc30 EFLAGS: 00010283 RAX: ffffffff810eefd4 RBX: ffff888068e34000 RCX: 0000000000080000 RDX: ffffc9000dc2a000 RSI: 00000000000003f7 RDI: 00000000000003f8 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ad3056 R10: fffffbfff1ad3056 R11: 1ffffffff1ad3055 R12: ffff88805621d001 R13: 1ffff1100d1c681e R14: ffff888068e340f0 R15: ffff88805621d000 FS: 00007f64e35ec6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32709ff8 CR3: 0000000056248000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_vcpu_ioctl+0x887/0xb80 virt/kvm/kvm_main.c:3894 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f64e5784929 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:00007f64e35ec038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f64e59abfa0 RCX: 00007f64e5784929 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007 RBP: 00007f64e5806b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f64e59abfa0 R15: 00007ffe881d9f08