Cloud Hypervisor could crash restoring a VM with an unused virtio device
Brief
A leftover default random device is enough if the guest never opened it.
Notes
4c6bb7951cdd15ba9fce4f59c5d145318c8f18a6 (Victor Vieux). Fixes #8693. Guest address 0x2 is unbacked on aarch64. Not a host file leak. No CVE.
Commit 4c6bb7951cdd15ba9fce4f59c5d145318c8f18a6