Bug 1391156 – who command returns unknown user

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Bug 1391156 - who command returns unknown user

Summary:	who command returns unknown user

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 7
Classification:	Red Hat
Component:	gdm (Show other bugs)
Sub Component:
Version:	7.4
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	rc
Target Release:	---
Assigned To:	Ray Strode [halfline]
QA Contact:	Desktop QE
Docs Contact:

URL:
Whiteboard:
Keywords:

Depends On:
Blocks:	1420851 1479818
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Reported:	2016-11-02 12:23 EDT by Chinmay Paradkar
Modified:	2018-05-17 10:39 EDT (History)
CC List:	4 users (show)

See Also:
Fixed In Version:	gdm-3.26.1-1.el7
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2018-04-10 08:55:16 EDT
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
GNOME Bugzilla	788784	None	None	None	2017-10-10 12:57 EDT
Red Hat Product Errata	RHBA-2018:0770	None	None	None	2018-04-10 08:57 EDT

Groups: None (edit)

Description Chinmay Paradkar 2016-11-02 12:23:25 EDT

Description of problem:
The "unknown" user in who and last command appears when running in graphical.target mode. It does not appear when running in multi-user.target mode

Version-Release number of selected component (if applicable):
gdm-3.14.2-12.el7.x86_64

How reproducible:
Always

Steps to Reproduce:
1. ssh in when no user is logged into the console
2. run 'who -u'
3. run last 

Actual results:
# who -u
(unknown) :0           2016-11-01 15:28   ?          1710 (:0)
root     pts/0        2016-11-02 21:48   .         15132 (10.76.0.219)

Expected results:
# who -u
root     pts/0        2016-11-02 21:48   .         15132 (10.76.0.219)

Additional info:
Upstream bug: https://bugzilla.redhat.com/show_bug.cgi?id=760834

Code is here:
-------------
        if (user_name != NULL) {•
                username = user_name;•
        } else {•
                username = "(unknown)";•
        }•
-------------

Comment 5 Michael Boisvert 2018-01-04 13:07:49 EST

I could not find an unknown user in 3.26.

Comment 8 errata-xmlrpc 2018-04-10 08:55:16 EDT

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://access.redhat.com/errata/RHBA-2018:0770

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