libvirt/examples/apparmor
Christian Ehrhardt a15bab0c68
apparmor: fix vfio usage without initial hostdev
The base vfio has not much functionality but to provide a custom
container by opening this path.
See https://www.kernel.org/doc/Documentation/vfio.txt for more.

Systems with static hostdevs will get /dev/vfio/vfio by virt-aa-hotplug
right from the beginning. But if the guest initially had no hostdev at
all it will run into the following deny before the security module
labelling callbacks will make the actual vfio device (like /dev/vfio/93)
known.

Example of such a deny:
[ 2652.756712] audit: type=1400 audit(1491303691.719:25):
  apparmor="DENIED" operation="open"
  profile="libvirt-17a61b87-5132-497c-b928-421ac2ee0c8a"
  name="/dev/vfio/vfio" pid=8486 comm="qemu-system-x86"
  requested_mask="wr" denied_mask="wr" fsuid=64055 ouid=0

Bug-Ubuntu: https://bugs.launchpad.net/bugs/1678322
Bug-Ubuntu: https://bugs.launchpad.net/bugs/1775777

Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Jamie Strandboge <jamie@canonical.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
2018-06-12 16:09:25 +02:00
..
libvirt-lxc Rework lxc apparmor profile 2014-07-15 12:57:05 -06:00
libvirt-qemu apparmor: fix vfio usage without initial hostdev 2018-06-12 16:09:25 +02:00
TEMPLATE.lxc apparmor: add attach_disconnected 2017-09-18 19:06:52 +02:00
TEMPLATE.qemu apparmor: add attach_disconnected 2017-09-18 19:06:52 +02:00
usr.lib.libvirt.virt-aa-helper AppArmor: allow virt-aa-helper read access to Nova's qcow backing files. 2018-06-12 10:43:37 +02:00
usr.sbin.libvirtd apparmor: add rules to use qemu_bridge_helper 2018-04-12 11:09:29 +02:00