------------[ cut here ]------------
WARNING: CPU: 3 PID: 18366 at arch/x86/kvm/lapic.c:3367 kvm_apic_accept_events+0x444/0x4c0 arch/x86/kvm/lapic.c:3367
Modules linked in:
CPU: 3 UID: 0 PID: 18366 Comm: syz.0.7464 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:kvm_apic_accept_events+0x444/0x4c0 arch/x86/kvm/lapic.c:3367
Code: 34 03 00 00 02 00 00 00 e9 ae fd ff ff 4c 89 ef e8 61 78 db 00 e9 33 fc ff ff e8 27 78 db 00 e9 17 fd ff ff e8 7d 21 75 00 90 <0f> 0b 90 e9 24 fd ff ff e8 3f 78 db 00 e9 de fb ff ff e8 05 78 db
RSP: 0018:ffffc9000df3fc48 EFLAGS: 00010283
RAX: 0000000000000723 RBX: 0000000000000002 RCX: ffffc900251a9000
RDX: 0000000000080000 RSI: ffffffff81466fc3 RDI: 0000000000000005
RBP: ffff888037778000 R08: 0000000000000005 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
R13: ffff8880377780e0 R14: ffff88802af32970 R15: 0000000000000001
FS:  00007f9cae0d86c0(0000) GS:ffff8880d69bc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000004a25d000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000007 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kvm_arch_vcpu_ioctl_get_mpstate+0x129/0x510 arch/x86/kvm/x86.c:11758
 kvm_vcpu_ioctl+0x7b8/0x1690 virt/kvm/kvm_main.c:4529
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9cad18ebe9
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:00007f9cae0d8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9cad3b5fa0 RCX: 00007f9cad18ebe9
RDX: 0000200000000280 RSI: 000000008004ae98 RDI: 0000000000000006
RBP: 00007f9cad211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9cad3b6038 R14: 00007f9cad3b5fa0 R15: 00007fffa158f568
 </TASK>