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From: Paul Moore <pmoore@redhat.com>
To: Dave Jones <davej@codemonkey.org.uk>
Cc: selinux@tycho.nsa.gov, James Morris <james.l.morris@oracle.com>,
	Stephen Smalley <sds@epoch.ncsc.mil>,
	Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: noisy selinux messages on tmpfs mount.
Date: Thu, 08 Jan 2015 14:39:42 -0500	[thread overview]
Message-ID: <2354586.80TRdrKbtf@sifl> (raw)
In-Reply-To: <3227891.DhTeT4XeAv@sifl>

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

WARNING: multiple messages have this Message-ID (diff)
From: Paul Moore <pmoore@redhat.com>
To: Dave Jones <davej@codemonkey.org.uk>
Cc: Stephen Smalley <sds@epoch.ncsc.mil>,
	James Morris <james.l.morris@oracle.com>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	selinux@tycho.nsa.gov
Subject: Re: noisy selinux messages on tmpfs mount.
Date: Thu, 08 Jan 2015 14:39:42 -0500	[thread overview]
Message-ID: <2354586.80TRdrKbtf@sifl> (raw)
In-Reply-To: <3227891.DhTeT4XeAv@sifl>

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


  parent reply	other threads:[~2015-01-08 19:39 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-08 19:08 noisy selinux messages on tmpfs mount Dave Jones
2015-01-08 19:34 ` Paul Moore
2015-01-08 19:38   ` Dave Jones
2015-01-08 19:39   ` Paul Moore [this message]
2015-01-08 19:39     ` Paul Moore
2015-01-09 13:06     ` Stephen Smalley
2015-01-09 13:06       ` Stephen Smalley
2015-01-09 19:13       ` Dave Jones
2015-01-09 19:13         ` Dave Jones
2015-01-09 20:47         ` Stephen Smalley
2015-01-12 14:51           ` Christopher J. PeBenito
2015-01-12 15:06             ` Paul Moore
2015-01-12 15:06               ` Paul Moore
2015-01-12 15:53             ` Stephen Smalley
2015-01-09 20:55         ` Paul Moore
2015-01-09 20:55           ` Paul Moore
2015-01-09 21:01           ` Dominick Grift
2015-01-09 21:01             ` Dominick Grift
2015-01-10  3:12             ` Paul Moore
2015-01-10  3:12               ` Paul Moore
2015-01-10  9:11               ` Dominick Grift
2015-01-10  9:11                 ` Dominick Grift
2015-01-10  9:24                 ` Dominick Grift
2015-01-10  9:24                   ` Dominick Grift

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