Re: noisy selinux messages on tmpfs mount.

Paul Moore
2015-01-08T19:35:10Z

On Thursday, January 08, 2015 02:08:22 PM Dave Jones wrote:
> systemd has started mounting a tmpfs in /run/user/<uid> every time a
> session begins. So after ssh'ing into a box a number of times, dmesg
> looks like this..
>
> [...] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
> [...] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs

{snip}

> What's a good solution to stopping this spew ? printk_once doesn't seem like
> a good fit, in case someone is doing different labelling behaviours between
> mounts.
>
> Could we only print it if the mount is being done with non-default behaviour
> perhaps?

I'm very curious to hear Stephen's opinion on the issue, but I wonder how much
this would honestly impact us if we removed this message in the case where we
mount the filesystem with a known labeling behavior.

--
paul moore
security @ redhat