That bug report shows the problem was fixed, but it is not (at least on current Vivid)
ii linux-image-generic 3.19.0.15.14 amd64 Generic Linux kernel image
ii lxc 1.1.2-0ubuntu3 amd64 Linux Containers userspace tools
ii apparmor 2.9.1-0ubuntu9 amd64 User-space parser utility for AppArmor
Reproducible with:
$ sudo lxc-create -n test -t ubuntu
$ sudo lxc-start -n test
Hello,
on three Vivid host, all of them up-to-date, I have the problem described here:
https:/ /bugs.launchpad .net/ubuntu/ utopic/ +source/ linux/+ bug/1390223
That bug report shows the problem was fixed, but it is not (at least on current Vivid)
ii linux-image-generic 3.19.0.15.14 amd64 Generic Linux kernel image
ii lxc 1.1.2-0ubuntu3 amd64 Linux Containers userspace tools
ii apparmor 2.9.1-0ubuntu9 amd64 User-space parser utility for AppArmor
Reproducible with:
$ sudo lxc-create -n test -t ubuntu
$ sudo lxc-start -n test
(inside container)
$ sudo apt-get install postfix
$ mailq
postqueue: warning: close: Permission denied
dmesg shows: 0.086:17067) : apparmor="DENIED" operation= "file_perm" profile= "lxc-container- default" name="public/showq" pid=27742 comm="postqueue" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[82140.386109] audit: type=1400 audit(142966115