Bug 1341167 – lastlog segfaults when last login timestamp contains very large number

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Bug 1341167 - lastlog segfaults when last login timestamp contains very large number

Summary:	lastlog segfaults when last login timestamp contains very large number

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 7
Classification:	Red Hat
Component:	shadow-utils (Show other bugs)
Sub Component:
Version:	7.2
Hardware:	s390x Linux

Priority	medium Severity medium
Target Milestone:	rc
Target Release:	---
Assigned To:	Tomas Mraz
QA Contact:	Dalibor Pospíšil
Docs Contact:

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Depends On:
Blocks:
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Reported:	2016-05-31 08:05 EDT by Dalibor Pospíšil
Modified:	2016-11-03 23:41 EDT (History)
CC List:	1 user (show)

See Also:
Fixed In Version:	shadow-utils-4.1.5.1-23.el7
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
Clone Of:	1313537
Environment:
Last Closed:	2016-11-03 23:41:47 EDT
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
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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
Red Hat Product Errata	RHBA-2016:2322	normal	SHIPPED_LIVE	shadow-utils bug fix and enhancement update	2016-11-03 09:43:15 EDT

Groups: None (edit)

Description Dalibor Pospíšil 2016-05-31 08:05:33 EDT

+++ This bug was initially created as a clone of Bug #1313537 +++

shadow-utils-4.1.5.1-20.el7.s390x

used 1F54D654574D56C3 as a timestamp, lastlog segfaults.

# lastlog
Username         Port     From             Latest
root             pts/0    ovpn-204-98.brq. Út kvě 31 05:06:36 -0400 2016
bin                                        **Never logged in**
daemon                                     **Never logged in**
adm                                        **Never logged in**
lp                                         **Never logged in**
sync                                       **Never logged in**
shutdown                                   **Never logged in**
halt                                       **Never logged in**
mail                                       **Never logged in**
operator                                   **Never logged in**
games                                      **Never logged in**
ftp                                        **Never logged in**
nobody                                     **Never logged in**
systemd-bus-proxy                           **Never logged in**
systemd-network                            **Never logged in**
dbus                                       **Never logged in**
polkitd                                    **Never logged in**
tss                                        **Never logged in**
sshd                                       **Never logged in**
postfix                                    **Never logged in**
chrony                                     **Never logged in**
Segmentation fault (core dumped)

Comment 3 Dalibor Pospíšil 2016-05-31 10:27:30 EDT

It looks like lastlog segfault also in case the ll_time is zero.

Comment 7 errata-xmlrpc 2016-11-03 23:41:47 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://rhn.redhat.com/errata/RHBA-2016-2322.html

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