On Fri, Jan 09, 2015 at 08:06:49AM -0500, Stephen Smalley wrote:
> On Thu, Jan 8, 2015 at 2:39 PM, Paul Moore <pmoore@xxxxxxxxxx> wrote:
> > On Thursday, January 08, 2015 02:34:57 PM Paul Moore wrote:
> >> 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.
>
> We already reduced that message to KERN_DEBUG. Is that not sufficient?
That doesn't really help with the flooding of dmesg, so no.
I should also note that it's not just logging in that creates a new
session, it also seems to be getting triggered by cron jobs, or
whatever the systemd replacement is.
Dave
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