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Bug 1769294

Summary:	PrivateDevices=true breaks services on s390x
Product:	[Fedora] Fedora	Reporter:	Dan Horák <dan>
Component:	systemd	Assignee:	systemd-maint
Status:	CLOSED DUPLICATE	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	31	CC:	hannsj_uhl, kevin, lnykryn, msekleta, ssahani, s, systemd-maint, zbyszek
Target Milestone:	---
Target Release:	---
Hardware:	s390x
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-11-06 10:55:35 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:	467765

Description Dan Horák 2019-11-06 10:37:33 UTC

Description of problem:
When PrivateDevices=true is used in a service like postfix, then it makes the service to fail on starting. It happens even when SELinux is in permissive mode. 


Version-Release number of selected component (if applicable):
systemd-243-4.gitef67743.fc31.s390x
postfix-3.4.7-1.fc31.s390x


How reproducible:
100%

Steps to Reproduce:
1. install F-31
2. install postfix
3. systemctl start postfix

Actual results:
Nov 06 03:54:53 devel7.s390.bos.redhat.com systemd[1]: Starting Postfix Mail Transport Agent...
Nov 06 03:54:53 devel7.s390.bos.redhat.com postfix[12641]: /usr/libexec/postfix/postfix-script: line 127: /dev/null: Operation not permitted
Nov 06 03:54:53 devel7.s390.bos.redhat.com postfix/postfix-script[12648]: fatal: the Postfix mail system is already running
Nov 06 03:54:54 devel7.s390.bos.redhat.com systemd[1]: postfix.service: Control process exited, code=exited, status=1/FAILURE
Nov 06 03:54:54 devel7.s390.bos.redhat.com systemd[1]: postfix.service: Failed with result 'exit-code'.
Nov 06 03:54:54 devel7.s390.bos.redhat.com systemd[1]: Failed to start Postfix Mail Transport Agent.


Expected results:
postfix started


Additional info:
This is very similar to bug 1746413 when dbus-broker couldn't be started with SELinux in enforcing mode.

Comment 1 Zbigniew Jędrzejewski-Szmek 2019-11-06 10:55:35 UTC


*** This bug has been marked as a duplicate of bug 1769148 ***