------------[ cut here ]------------
debug_locks && !(lock_is_held(&(&vcpu->mutex)->dep_map) || vcpu->vcpu_idx < 0 || !refcount_read(&vcpu->kvm->users_count))
WARNING: ./include/linux/kvm_host.h:996 at kvm_lockdep_assert_vcpu_is_locked_or_unreachable include/linux/kvm_host.h:994 [inline], CPU#1: syz.1.25/5883
WARNING: ./include/linux/kvm_host.h:996 at to_hv_vcpu arch/x86/kvm/hyperv.h:78 [inline], CPU#1: syz.1.25/5883
WARNING: ./include/linux/kvm_host.h:996 at kvm_hv_vcpu_uninit+0x198/0x210 arch/x86/kvm/hyperv.c:906, CPU#1: syz.1.25/5883
Modules linked in:
CPU: 1 UID: 0 PID: 5883 Comm: syz.1.25 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:kvm_lockdep_assert_vcpu_is_locked_or_unreachable include/linux/kvm_host.h:994 [inline]
RIP: 0010:to_hv_vcpu arch/x86/kvm/hyperv.h:78 [inline]
RIP: 0010:kvm_hv_vcpu_uninit+0x198/0x210 arch/x86/kvm/hyperv.c:906
Code: 48 89 df e8 0a ba d8 00 48 c7 03 00 00 00 00 eb 05 e8 1c 63 6d 00 5b 41 5c 41 5e 41 5f 5d e9 8f f6 51 0a cc e8 09 63 6d 00 90 <0f> 0b 90 e9 65 ff ff ff 48 c7 c1 e0 5c 30 90 80 e1 07 80 c1 03 38
RSP: 0018:ffffc900035ef940 EFLAGS: 00010293
RAX: ffffffff8158f397 RBX: ffff88816987d400 RCX: ffff888110b20000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffff88810c5b9703 R09: 1ffff110218b72e0
R10: dffffc0000000000 R11: ffffed10218b72e1 R12: 0000000000000000
R13: 00000000fffffff8 R14: ffff88810c5b9700 R15: dffffc0000000000
FS:  00007fbc073dc6c0(0000) GS:ffff8882a929a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f451a40fff8 CR3: 000000010f703000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 kvm_arch_vcpu_destroy+0x1a9/0x380 arch/x86/kvm/x86.c:12905
 kvm_vm_ioctl_create_vcpu+0x68b/0x940 virt/kvm/kvm_main.c:4262
 kvm_vm_ioctl+0x893/0xd50 virt/kvm/kvm_main.c:5161
 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+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbc0659ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbc073dc028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fbc06815fa0 RCX: 00007fbc0659ce59
RDX: 0000000000000001 RSI: 000000000000ae41 RDI: 00000000000000f7
RBP: 00007fbc06632d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbc06816038 R14: 00007fbc06815fa0 R15: 00007fffc5de9fc8
 </TASK>