/etc/apparmor.d/lxc/lxc-default-with-nesting is in liblxc-common 3.0.1-0ubuntu1~18.04.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | # Do not load this file. Rather, load /etc/apparmor.d/lxc-containers, which
# will source all profiles under /etc/apparmor.d/lxc
profile lxc-container-default-with-nesting flags=(attach_disconnected,mediate_deleted) {
#include <abstractions/lxc/container-base>
#include <abstractions/lxc/start-container>
deny /dev/.lxc/proc/** rw,
deny /dev/.lxc/sys/** rw,
mount fstype=proc -> /var/cache/lxc/**,
mount fstype=sysfs -> /var/cache/lxc/**,
mount options=(rw,bind),
mount fstype=cgroup -> /sys/fs/cgroup/**,
}
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