------------[ cut here ]------------
WARNING: CPU: 2 PID: 19319 at arch/x86/kvm/x86.c:11191 vcpu_block arch/x86/kvm/x86.c:11191 [inline]
WARNING: CPU: 2 PID: 19319 at arch/x86/kvm/x86.c:11191 vcpu_run+0x1b33/0x5590 arch/x86/kvm/x86.c:11233
Modules linked in:
CPU: 2 UID: 0 PID: 19319 Comm: syz.0.4421 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:vcpu_block arch/x86/kvm/x86.c:11191 [inline]
RIP: 0010:vcpu_run+0x1b33/0x5590 arch/x86/kvm/x86.c:11233
Code: c7 e8 01 a7 7a 00 be 08 00 00 00 4c 89 f7 e8 64 22 e3 00 f0 41 80 67 38 fd 41 bd fb ff ff ff e9 a3 fa ff ff e8 de a6 7a 00 90 <0f> 0b 90 e9 5d ff ff ff e8 d0 a6 7a 00 e9 61 f7 ff ff e8 c6 a6 7a
RSP: 0018:ffffc9000612faa0 EFLAGS: 00010287
RAX: 0000000000000790 RBX: ffff88802946eba8 RCX: ffffc900307d7000
RDX: 0000000000080000 RSI: ffffffff81408dd2 RDI: 0000000000000005
RBP: ffffc9000612fc10 R08: 0000000000000005 R09: 00000000fffffff0
R10: 00000000fffffff0 R11: 0000000000000000 R12: dffffc0000000000
R13: 00000000fffffff0 R14: ffff88802946d280 R15: ffff88802946d280
FS:  00007f86861c16c0(0000) GS:ffff8880d7075000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000449fb000 CR4: 0000000000352ef0
DR0: 000000000000000b DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kvm_arch_vcpu_ioctl_run+0x1023/0x1970 arch/x86/kvm/x86.c:11576
 kvm_vcpu_ioctl+0x5eb/0x1690 virt/kvm/kvm_main.c:4466
 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/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f868538eec9
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:00007f86861c1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f86855e5fa0 RCX: 00007f868538eec9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
RBP: 00007f8685411f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f86855e6038 R14: 00007f86855e5fa0 R15: 00007ffcb0054ff8
 </TASK>