Bug 867820 - realm crashes when realmd.conf contains empty computer-ou
realm crashes when realmd.conf contains empty computer-ou
Product: Fedora
Classification: Fedora
Component: realmd (Show other bugs)
All Linux
high Severity high
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Assigned To: Stef Walter
Fedora Extras Quality Assurance
Depends On:
  Show dependency treegraph
Reported: 2012-10-18 07:13 EDT by Miroslav Vadkerti
Modified: 2012-12-20 11:11 EST (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2012-12-20 11:11:04 EST
Type: Bug
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
grep realmd /var/log/audit/audit.log > audit.log (26.09 KB, text/plain)
2012-10-18 09:33 EDT, Petr Sklenar
no flags Details

External Trackers
Tracker ID Priority Status Summary Last Updated
FreeDesktop.org 56162 None None None 2012-10-19 00:53:47 EDT

  None (edit)
Description Miroslav Vadkerti 2012-10-18 07:13:20 EDT
Description of problem:
The realm crashes if blank computer-out used

# cat /etc/realmd.conf
computer-ou = 

# realm --verbose join --user=Zoidberg radi08.segad.lab.sjc.redhat.com
 * Searching for kerberos SRV records for domain: _kerberos._udp.radi08.segad.lab.sjc.redhat.com
 * Searching for MSDCS SRV records on domain: _kerberos._tcp.dc._msdcs.radi08.segad.lab.sjc.redhat.com
 * ad1.radi08.segad.lab.sjc.redhat.com:88 
 * Found kerberos DNS records for: radi08.segad.lab.sjc.redhat.com
 * Found AD style DNS records for: radi08.segad.lab.sjc.redhat.com
 * Successfully discovered: radi08.segad.lab.sjc.redhat.com
Password for Zoidberg: 
 * Required files present: /usr/sbin/sss_cache, /usr/sbin/sssd, /usr/bin/net
realm: Couldn't join realm: Message did not receive a reply (timeout by message bus)

Version-Release number of selected component (if applicable):

How reproducible:
100% on my virtual machine

Steps to Reproduce:
1. install realmd
2. have an AD handy
3. set realmd.conf with blank computer-ou
Actual results:
realm: Couldn't join realm: Message did not receive a reply (timeout by message bus)
That seems to be a crash as abrt detected it

Expected results:
No crash

Additional info:
Comment 1 Petr Sklenar 2012-10-18 09:33:37 EDT
Created attachment 629380 [details]
grep realmd /var/log/audit/audit.log > audit.log

I could see many of the selinux denials during similar cmd:
realm join --user=Administrator X.Y.Z

machine was freshly installed f18 with:
# rpm -q realmd selinux-policy
Comment 2 Fedora Update System 2012-10-20 02:44:43 EDT
realmd-0.10-1.fc18 has been submitted as an update for Fedora 18.
Comment 3 Fedora Update System 2012-10-21 01:57:34 EDT
Package realmd-0.10-1.fc18:
* should fix your issue,
* was pushed to the Fedora 18 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing realmd-0.10-1.fc18'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).
Comment 4 Fedora Update System 2012-10-30 14:51:21 EDT
realmd-0.11-1.fc18 has been submitted as an update for Fedora 18.
Comment 5 Fedora Update System 2012-12-20 11:11:06 EST
realmd-0.11-1.fc18 has been pushed to the Fedora 18 stable repository.  If problems still persist, please make note of it in this bug report.

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