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apparmor: allow to preserve /dev mountpoints into qemu namespaces

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Libvirt now tries to preserve all mounts under /dev in qemu namespaces.
The old rules only listed a set of known paths but those are no more enough.

I found some due to containers like /dev/.lxc/* and such but also /dev/console
and /dev/net/tun.

Libvirt is correct to do so, but we can no more predict the names properly, so
we modify the rule to allow a wildcard based pattern matching what libvirt does.

Acked-by: Jamie Strandboge <jamie@canonical.com>
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
This commit is contained in:
Christian Ehrhardt 2018-08-13 16:26:15 +02:00
parent aa9e3354ef
commit 84f30010a9
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GPG Key ID: BA3E29338280B242
1 changed files with 5 additions and 11 deletions
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16
examples/apparmor/usr.sbin.libvirtd
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@ -33,17 +33,11 @@
mount options=(rw,rslave) -> /,
mount options=(rw, nosuid) -> /{var/,}run/libvirt/qemu/*.dev/,
mount options=(rw, move) /dev/ -> /{var/,}run/libvirt/qemu/*.dev/,
mount options=(rw, move) /dev/hugepages/ -> /{var/,}run/libvirt/qemu/*.hugepages/,
mount options=(rw, move) /dev/mqueue/ -> /{var/,}run/libvirt/qemu/*.mqueue/,
mount options=(rw, move) /dev/pts/ -> /{var/,}run/libvirt/qemu/*.pts/,
mount options=(rw, move) /dev/shm/ -> /{var/,}run/libvirt/qemu/*.shm/,
mount options=(rw, move) /{var/,}run/libvirt/qemu/*.dev/ -> /dev/,
mount options=(rw, move) /{var/,}run/libvirt/qemu/*.hugepages/ -> /dev/hugepages/,
mount options=(rw, move) /{var/,}run/libvirt/qemu/*.mqueue/ -> /dev/mqueue/,
mount options=(rw, move) /{var/,}run/libvirt/qemu/*.pts/ -> /dev/pts/,
mount options=(rw, move) /{var/,}run/libvirt/qemu/*.shm/ -> /dev/shm/,
# libvirt provides any mounts under /dev to qemu namespaces
mount options=(rw, move) /dev/ -> /{,var/}run/libvirt/qemu/*.dev/,
mount options=(rw, move) /dev/** -> /{,var/}run/libvirt/qemu/*{,/},
mount options=(rw, move) /{,var/}run/libvirt/qemu/*.dev/ -> /dev/,
mount options=(rw, move) /{,var/}run/libvirt/qemu/*{,/} -> /dev/**,
network inet stream,
network inet dgram,