Bug 1298109

Summary:	tmpfs is unexpectedly mounted on /tmp in rhel-7
Product:	Red Hat Enterprise Linux 7	Reporter:	Mohit Agrawal <moagrawa>
Component:	systemd	Assignee:	systemd-maint
Status:	CLOSED ERRATA	QA Contact:	Branislav Blaškovič <bblaskov>
Severity:	high	Docs Contact:
Priority:	high
Version:	7.3	CC:	bblaskov, ealcaniz, gerwinkrist, jaeshin, lnykryn, rcernin, salmy, systemd-maint-list
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	systemd-219-20.el7	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	1298209 (view as bug list)		Environment:
Last Closed:	2016-11-04 00:50:26 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1298209, 1339488

Description Mohit Agrawal 2016-01-13 09:21:22 UTC

Description of problem:
tmpfs is unexpectedly mounted on /tmp when user start any unit file that configured PrivateTmp=true


Version-Release number of selected component (if applicable):
systemd-219-19.el7.x86_64

How reproducible:
Always
Steps to Reproduce:
1) df /tmp
 df /tmp
Filesystem                            1K-blocks     Used Available Use% Mounted on
/dev/mapper/rhel_dell--per630--2-root  52403200 19977388  32425812  39% /

2 ) systemctl status tmp.mount; 

But after start systemd-timedated it is start automatically and created mount-point.
3 ) systemctl start systemd-timedated; 
4) df /tmp
Filesystem     1K-blocks  Used Available Use% Mounted on
tmpfs            8010868     0   8010868   0% /tmp



Actual results:
/tmp is created new mount point on tmpfs

Expected results:
mount point should not create automatically.

Additional info:

Comment 3 Lukáš Nykrýn 2016-01-13 09:49:41 UTC

Just a small note, workaround for this issue is to mask the tmp.mount by calling:

systemctl mask tmp.mount

Comment 6 Lukáš Nykrýn 2016-01-13 13:47:14 UTC

https://github.com/lnykryn/systemd-rhel/commit/14eaa63230a16a32f49db74d4b0d78247874ccdd -> post

Comment 13 errata-xmlrpc 2016-11-04 00:50:26 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2016-2216.html