Public bug reported:
Example:
* Add a host device to a VM:
<hostdev mode='subsystem' type='usb'>
<source startupPolicy='optional'>
<vendor id='0x1234'/>
<product id='0x1234'/>
</source>
</hostdev>
* Start the VM and confirm that virt-aa-helper has added the associated
/dev/bus/usb/... path to /etc/apparmor.d/libvirt/libvirt-<UUID>.files
* Save the VM by clicking "Shut Down" -> "Save" in virt-manager.
* Restore the VM by clicking "Restore" in virt-manager.
* virt-manager displays a qemu "permission denied" error message for the
/dev/bus/usb/... file associated with the host device that was attached to the
VM.
Running `while true ; cat /etc/apparmor.d/libvirt/libvirt-<UUID>.files
2>/dev/null ; done` when restoring the VM shows that virt-aa-helper is
generating an apparmor policy but is not including the relevant
/dev/bus/usb/... path in the generated policy.
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Tags: virt-aa-helper
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https://bugs.launchpad.net/bugs/1895557
Title:
virt-aa-helper missing host devices when restoring saved VM
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