mainline inclusion
from mainline-v5.5-rc1
commit 433f4ba1904100da65a311033f17a9bf586b287e
category: bugfix
bugzilla: 13690
CVE: CVE-2019-19332

-------------------------------------------------

The bounds check was present in KVM_GET_SUPPORTED_CPUID but not
KVM_GET_EMULATED_CPUID.

Reported-by: syzbot+e3f4897236c4eeb8af4f@syzkaller.appspotmail.com
Fixes: 84cffe49 ("kvm: Emulate MOVBE", 2013-10-29)
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Nyangerkun <yangerkun@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>