Due to mediation of socket and signal activity currently qemu:///session connections calling qemu_bridge_helper fail. We need the profile for libvirtd itself and the subprofile for qemu-bridge-helper to be able to talk/notify to each other via unix socket and signals. Fixes: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1754871 Signed-off-by: Christian Ehrhardt <christian.ehrhardt(a)canonical.com&gt; --- examples/apparmor/usr.sbin.libvirtd | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/examples/apparmor/usr.sbin.libvirtd b/examples/apparmor/usr.sbin.libvirtd index be4fabf..3102cab 100644 --- a/examples/apparmor/usr.sbin.libvirtd +++ b/examples/apparmor/usr.sbin.libvirtd @@ -65,6 +65,10 @@ signal (read, send) peer=libvirt-*, signal (send) set=("kill", "term") peer=unconfined, + # For communication/control to qemu-bridge-helper + unix (send, receive) type=stream addr=none peer=(label=/usr/sbin/libvirtd//qemu_bridge_helper), + signal (send) set=("term") peer=/usr/sbin/libvirtd//qemu_bridge_helper, + # Very lenient profile for libvirtd since we want to first focus on confining # the guests. Guests will have a very restricted profile. / r, @@ -112,6 +116,10 @@ network inet stream, + # For communication/control from libvirtd + unix (send, receive) type=stream addr=none peer=(label=/usr/sbin/libvirtd), + signal (receive) set=("term") peer=/usr/sbin/libvirtd, + /dev/net/tun rw, /etc/qemu/** r, owner @{PROC}/*/status r,

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