Re: noisy selinux messages on tmpfs mount.

Stephen Smalley
2015-01-09T13:06:51Z

We already reduced that message to KERN_DEBUG. Is that not sufficient?

On Thu, Jan 8, 2015 at 2:39 PM, Paul Moore <pmoore@redhat.com> 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.
>
> [NOTE: adding the SELinux list to the CC line.]
>
> --
> paul moore
> security @ redhat
>
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