[apparmor] virt-aa-helper: does not support OVMF?

Jamie Strandboge jamie at canonical.com
Tue Aug 11 20:32:29 UTC 2015

On 08/11/2015 02:37 PM, intrigeri wrote:
> Hi,
> it seems that virt-aa-helper (the helper tool that dynamically
> generates AppArmor profiles for libvirt VMs) does not add
> /usr/share/ovmf/OVMF.fd to the list of allowed files when I have
> (excerpt):
>   <os>
>     <loader type='rom'>/usr/share/ovmf/OVMF.fd</loader>
>   </os>
> I have this:
>   abstractions/libvirt-qemu:  /usr/share/ovmf/** r,
> ... that was added to fix LP: #1074207.
> But I don't see any corresponding change to virt-aa-helper, and:
> libvirtd[28763]: internal error: Child process
> (/usr/lib/libvirt/virt-aa-helper -p 0 -r -u
> libvirt-14dcf3fa-a4d5-4c5a-82ea-3f624b44c7ef) unexpected exit status
> 1: virt-aa-helper: error: /usr/share/ovmf/OVMF.fd
>    virt-aa-helper: error: skipped restricted file
>    virt-aa-helper: error: invalid VM definition
> libvirtd[28763]: internal error: cannot load AppArmor profile
> 'libvirt-14dcf3fa-a4d5-4c5a-82ea-3f624b44c7ef'
> Is there a fix we're missing on Debian, or is it missing on Ubuntu
> as well?
It is missing in both Ubuntu and Debian. src/security/virt-aa-helper.c needs to
update override[] in valid_path() to have '/usr/share/ovmf/'. I'll comment in
the Ubuntu bug.

Jamie Strandboge                 http://www.ubuntu.com/

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