drm/virtio: Fix GEM handle creation UAF
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.270 by commit 19ec87d06acfab2313ee82b2a689bf0c154e57ea, it was introduced in version v4.4 by commit 62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257. For more details please see the references link.