------------[ cut here ]------------
WARNING: CPU: 1 PID: 27644 at arch/x86/kvm/lapic.c:3483 kvm_apic_accept_events+0x444/0x4c0 arch/x86/kvm/lapic.c:3483
Modules linked in:
CPU: 1 UID: 0 PID: 27644 Comm: syz.2.6994 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:3483
Code: 34 03 00 00 02 00 00 00 e9 ae fd ff ff 4c 89 ef e8 81 ae de 00 e9 33 fc ff ff e8 47 ae de 00 e9 17 fd ff ff e8 ed 0b 76 00 90 <0f> 0b 90 e9 24 fd ff ff e8 5f ae de 00 e9 de fb ff ff e8 25 ae de
RSP: 0018:ffffc900049ffc38 EFLAGS: 00010287
RAX: 00000000000007e4 RBX: 0000000000000002 RCX: ffffc90024f71000
RDX: 0000000000080000 RSI: ffffffff8146dbf3 RDI: 0000000000000005
RBP: ffff88804661ac00 R08: 0000000000000005 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
R13: ffff88804661ace0 R14: ffff88804ba8d2b0 R15: 0000000000000001
FS:  00007f4a2eab76c0(0000) GS:ffff8880d6b05000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000004e7eb000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 00000000ffff1418
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kvm_arch_vcpu_ioctl_get_mpstate+0x103/0x450 arch/x86/kvm/x86.c:12147
 kvm_vcpu_ioctl+0x7b8/0x1690 virt/kvm/kvm_main.c:4539
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4a2db8f749
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:00007f4a2eab7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4a2dde5fa0 RCX: 00007f4a2db8f749
RDX: 0000200000000040 RSI: 000000008004ae98 RDI: 0000000000000005
RBP: 00007f4a2dc13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4a2dde6038 R14: 00007f4a2dde5fa0 R15: 00007fffcbb00f58
 </TASK>