------------[ cut here ]------------ WARNING: CPU: 0 PID: 1207 at arch/x86/kvm/lapic.c:3483 kvm_apic_accept_events+0x341/0x490 arch/x86/kvm/lapic.c:3483 Modules linked in: CPU: 0 UID: 0 PID: 1207 Comm: syz.5.7942 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:kvm_apic_accept_events+0x341/0x490 arch/x86/kvm/lapic.c:3483 Code: eb 0c e8 92 ca 71 00 eb 05 e8 8b ca 71 00 45 31 ff 44 89 f8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 70 ca 71 00 90 <0f> 0b 90 e9 ec fd ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 4f RSP: 0018:ffffc9000cc3fbf0 EFLAGS: 00010283 RAX: ffffffff814e3940 RBX: 0000000000000002 RCX: 0000000000080000 RDX: ffffc9000c809000 RSI: 0000000000000396 RDI: 0000000000000397 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff814689b6 R10: dffffc0000000000 R11: ffffed1005de4008 R12: 0000000000000002 R13: dffffc0000000000 R14: ffff888064a4b600 R15: ffff88802ef202d8 FS: 00007f9726d9b6c0(0000) GS:ffff88812613b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000087b54000 CR4: 00000000003526f0 DR0: 0000000000000037 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: kvm_arch_vcpu_ioctl_get_mpstate+0x128/0x480 arch/x86/kvm/x86.c:12147 kvm_vcpu_ioctl+0x625/0xe90 virt/kvm/kvm_main.c:4539 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9725f8f749 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:00007f9726d9b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f97261e5fa0 RCX: 00007f9725f8f749 RDX: 0000200000000040 RSI: 000000008004ae98 RDI: 0000000000000005 RBP: 00007f9726013f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f97261e6038 R14: 00007f97261e5fa0 R15: 00007f972630fa28