After a bit of twiddling I found a somewhat reasonable repro with the
virt-aa-helper tool.
diff -Naur yakkety-sec-dac.xml yakkety-sec-nodac.xml
--- yakkety-sec-dac.xml 2016-10-27 14:32:39.565995840 +0000
+++ yakkety-sec-nodac.xml 2016-10-27 14:32:45.097973456 +0000
@@ -60,6 +60,5 @@
<address type='pci' domain='0x0000' bus='0x00' slot='0x06'
function='0x0'/>
</memballoon>
</devices>
- <seclabel type='dynamic' model='dac' relabel='yes'/>
</domain>
So the only diff is if the dac seclabel is here or not.
$ sudo /usr/lib/libvirt/virt-aa-helper -d -r -p 0 -u
libvirt-6e082f89-902c-413c-9d9e-f609089d3374 < yakkety-sec-dac.xml
virt-aa-helper: error: could not parse XML
virt-aa-helper: error: could not get VM definition
$ sudo /usr/lib/libvirt/virt-aa-helper -d -r -p 0 -u
libvirt-6e082f89-902c-413c-9d9e-f609089d3374 < yakkety-sec-nodac.xml
virt-aa-helper:
/etc/apparmor.d/libvirt/libvirt-6e082f89-902c-413c-9d9e-f609089d3374.files
virt-aa-helper:
"/var/log/libvirt/**/yakkety-sec-dac.log" w,
"/var/lib/libvirt/qemu/domain-yakkety-sec-dac/monitor.sock" rw,
"/var/lib/libvirt/qemu/domain--1-yakkety-sec-dac/*" rw,
"/var/lib/libvirt/qemu/channel/target/domain--1-yakkety-sec-dac/*" rw,
"/var/run/libvirt/**/yakkety-sec-dac.pid" rwk,
"/run/libvirt/**/yakkety-sec-dac.pid" rwk,
"/var/run/libvirt/**/*.tunnelmigrate.dest.yakkety-sec-dac" rw,
"/run/libvirt/**/*.tunnelmigrate.dest.yakkety-sec-dac" rw,
"/var/lib/uvtool/libvirt/images/yakkety-sec-dac.qcow" rw,
"/var/lib/uvtool/libvirt/images/x-uvt-b64-Y29tLnVidW50dS5jbG91ZC5kYWlseTpzZXJ2ZXI6MTYuMTA6YW1kNjQgMjAxNjEwMjI="
r,
"/var/lib/uvtool/libvirt/images/yakkety-sec-dac-ds.qcow" rw,
# for qemu guest agent channel
owner "/var/lib/libvirt/qemu/channel/target/domain-yakkety-sec-dac/**" rw,
/dev/vhost-net rw,
New running debuild locally on xenial and yakkety libvirt to have the
packaged aa-helper in a debuggable and recompilable fashion.
** Changed in: libvirt (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1633207
Title:
VM fails to start with dac security driver added
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