Bug 1341167

Summary: lastlog segfaults when last login timestamp contains very large number
Product: Red Hat Enterprise Linux 7 Reporter: Dalibor Pospíšil <dapospis>
Component: shadow-utilsAssignee: Tomas Mraz <tmraz>
Status: CLOSED ERRATA QA Contact: Dalibor Pospíšil <dapospis>
Severity: medium Docs Contact:
Priority: medium    
Version: 7.2CC: pkis
Target Milestone: rc   
Target Release: ---   
Hardware: s390x   
OS: Linux   
Whiteboard:
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: 2016-11-04 03:41:47 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:

Description Dalibor Pospíšil 2016-05-31 12:05:33 UTC 
+++ 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 14:27:30 UTC 
It looks like lastlog segfault also in case the ll_time is zero.
Comment 7 errata-xmlrpc 2016-11-04 03:41:47 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-2016-2322.html