Control: tag -1 + moreinfo

Hi Ivan,

Ivan Sergio Borgonovo:
> I've a lxc guest running apache php fpm for horde.
> lxc guest and host both were running apparmor.

> Host was updated from 2.12-5 to 2.13-6.
> Guest was updated from 2.13-4 to 2.13-6.

Can you confirm this happens on Debian testing?

What exact kernel are you running?

> After upgrading apparmor horde stopped working.

> I downgraded apparmor on the host and still horde on the guest was not 
> working.
> After downgrading apparmor on the guest horde started to work again.

> Problems seems  related to apparmor recipes rather than in binaries since by 
> mistake
> I forgot to downgrade the apparmor package in the guest and things were 
> working.

I'm curious how AppArmor is involved, because AFAIK Debian testing
does not enable any AppArmor confinement for Apache/PHP:

 - do you have libapache2-mod-apparmor installed?
   did you do anything to enable and use it?

 - I see that recent php-fpm have support for switching AppArmor
   "hats"; did you enable this?

> related log entries may be

> Aug  1 19:46:50 caronte kernel: [265475.231940] audit: type=1400
> audit(1533145610.777:245): apparmor="STATUS" operation="profile_replace" 
> info="same
> as current profile, skipping" profile="unconfined" name="klogd" pid=19732
> comm="apparmor_parser"

Sadly, this one is irrelevant. Please provide some more info:

 - the output of "journalctl -b | grep apparmor"
 - the output of "aa-status"

Also, https://wiki.debian.org/AppArmor/Debug might help.

Cheers,
-- 
intrigeri

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