[PATCH 1/6] apparmor: Fix parthelper, iohelper and virt-aa-helper paths in profiles

Michal Privoznik mprivozn at redhat.com
Thu Jan 30 06:48:00 UTC 2020


On 1/30/20 5:02 AM, Jim Fehlig wrote:
> On 1/29/20 11:53 AM, Jamie Strandboge wrote:
>> On Wed, 29 Jan 2020, Michal Privoznik wrote:
>>
>>> On 1/27/20 5:30 PM, Jamie Strandboge wrote:
>>>> On Sat, 25 Jan 2020, Michal Privoznik wrote:
>>>>
>>>>> These helper binaries are installed under libexec dir not lib
>>>>> dir.
>>>>>
>>>>> Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
>>>>> ---
>>>>>     src/security/apparmor/usr.lib.libvirt.virt-aa-helper | 2 +-
>>>>>     src/security/apparmor/usr.sbin.libvirtd              | 4 ++--
>>>>>     2 files changed, 3 insertions(+), 3 deletions(-)
>>>>>
>>>>> diff --git a/src/security/apparmor/usr.lib.libvirt.virt-aa-helper b/src/security/apparmor/usr.lib.libvirt.virt-aa-helper
>>>>> index 11e9c039ca..504c70e0ce 100644
>>>>> --- a/src/security/apparmor/usr.lib.libvirt.virt-aa-helper
>>>>> +++ b/src/security/apparmor/usr.lib.libvirt.virt-aa-helper
>>>>> @@ -39,7 +39,7 @@ profile virt-aa-helper /usr/{lib,lib64}/libvirt/virt-aa-helper {
>>>>>       deny /dev/mapper/ r,
>>>>>       deny /dev/mapper/* r,
>>>>> -  /usr/{lib,lib64}/libvirt/virt-aa-helper mr,
>>>>> +  /usr/libexec/virt-aa-helper mr,
>>>>
>>>> I suggest you use this instead here and in the rest of the patch series:
>>>>
>>>> /usr/{lib,lib64,libexec}/libvirt/virt-aa-helper mr,
>>>>
>>>> since it will let existing installs to continue to work.
>>>
>>> You mean some downstream has installed virt-aa-helper into /usr/lib or
>>> /usr/lib64? Because the upstream install rule says /usr/libexec/.
>>
>> Well, I was thinking the rule was what it was for a reason, so with my
>> distro hat on, changing it to just libexec sounded like a potential
>> pain point for upgraders. I also understand that the policy is intended
>> as example policy that distros can adjust as needed, so perhaps it is ok
>> to cut straight to libexec in this patchset... I don't have objections
>> if you prefer to keep it as is.
> 
> With my downstream hat on I also prefer your suggestion. For better or worse,
> virt-aa-helper is in /usr/lib64/libvirt/ on SUSE distros.

Ah, so I guess SUSE has a patch that moves virt-aa-helper from its 
default location then? Alright, I will respin v2 with the suggested 
change worked in.

Michal




More information about the libvir-list mailing list