/etc/apparmor.d/usr.lib.libvirt.virt-aa-helper is in libvirt-daemon-system 4.0.0-1ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#include <tunables/global>
profile virt-aa-helper /usr/{lib,lib64}/libvirt/virt-aa-helper {
#include <abstractions/base>
#include <abstractions/nameservice>
#include <abstractions/user-tmp>
# needed for searching directories
capability dac_override,
capability dac_read_search,
# needed for when disk is on a network filesystem
network inet,
network inet6,
deny @{PROC}/[0-9]*/mounts r,
@{PROC}/[0-9]*/net/psched r,
owner @{PROC}/[0-9]*/status r,
@{PROC}/filesystems r,
/etc/libnl-3/classid r,
# for hostdev
/sys/devices/ r,
/sys/devices/** r,
/sys/bus/usb/devices/ r,
deny /dev/sd* r,
deny /dev/vd* r,
deny /dev/dm-* r,
deny /dev/drbd[0-9]* r,
deny /dev/dasd* r,
deny /dev/nvme* r,
deny /dev/zd[0-9]* r,
deny /dev/mapper/ r,
deny /dev/mapper/* r,
/usr/{lib,lib64}/libvirt/virt-aa-helper mr,
/{usr/,}sbin/apparmor_parser Ux,
# for openvswitch
/{,var/}run/** rw,
/etc/apparmor.d/libvirt/* r,
/etc/apparmor.d/libvirt/libvirt-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]*-[0-9a-f]* rw,
# for backingstore -- allow access to non-hidden files in @{HOME} as well
# as storage pools
audit deny @{HOME}/.* mrwkl,
audit deny @{HOME}/.*/ rw,
audit deny @{HOME}/.*/** mrwkl,
audit deny @{HOME}/bin/ rw,
audit deny @{HOME}/bin/** mrwkl,
@{HOME}/ r,
@{HOME}/** r,
/var/lib/libvirt/images/ r,
/var/lib/libvirt/images/** r,
# nova base images (LP: #907269)
/var/lib/nova/images/** r,
/var/lib/nova/instances/_base/** r,
# nova snapshots (LP: #1244694)
/var/lib/nova/instances/snapshots/** r,
# nova base/snapshot files in snapped nova (LP: #1644507)
/var/snap/nova-hypervisor/common/instances/_base/** r,
/var/snap/nova-hypervisor/common/instances/snapshots/** r,
# eucalyptus (LP: #564914)
/var/lib/eucalyptus/instances/**/disk* r,
# eucalyptus loader (LP: #637544)
/var/lib/eucalyptus/instances/**/loader* r,
# for uvtool
/var/lib/uvtool/libvirt/images/** r,
# for multipass
/var/snap/multipass/common/data/multipassd/vault/instances/** r,
/{media,mnt,opt,srv}/** r,
# For virt-sandbox
/{,var/}run/libvirt/**/[sv]d[a-z] r,
/**.img r,
/**.raw r,
/**.qcow{,2} r,
/**.qed r,
/**.vmdk r,
/**.[iI][sS][oO] r,
/**/disk{,.*} r,
# Site-specific additions and overrides. See local/README for details.
#include <local/usr.lib.libvirt.virt-aa-helper>
}
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