Bug 1323839

Summary: glibc: NULL pointer dereference in stub resolver with unconnectable name server addresses
Product: Red Hat Enterprise Linux 7 Reporter: Brian Gollaher <bgollahe>
Component: glibcAssignee: Carlos O'Donell <codonell>
Status: CLOSED ERRATA QA Contact: qe-baseos-tools-bugs
Severity: medium Docs Contact:
Priority: high    
Version: 7.2CC: ashankar, bgollahe, codonell, fweimer, mcermak, mkolaja, mnavrati, mnewsome, mpetlan, pfrankli, qe-baseos-tools-bugs, redhat-bugzilla, tlavigne
Target Milestone: rcKeywords: Patch, ZStream
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: glibc-2.17-106.el7_2.6 Doc Type: Bug Fix
Doc Text:
Prior to this update, if the /etc/resolv.conf file contained addresses that caused the connect system call to fail immediately, queries which triggered the search along the search path caused a segmentation fault to occur. This bug has been fixed, and segmentation faults no longer occur in the described scenario.
Story Points: ---
Clone Of: 1320596 Environment:
Last Closed: 2016-05-12 09:59:52 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:
Bug Depends On: 1316972, 1320596    
Bug Blocks:    
Deadline: 2016-03-31   

Comment 5 Michael Petlan 2016-04-21 12:06:02 UTC
Tested manually on all architectures.

Reproduced against: glibc-2.17-106.el7_2.4
Verified against:   glibc-2.17-106.el7_2.6

VERIFIED.

Comment 7 errata-xmlrpc 2016-05-12 09:59:52 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-2016-1030.html

Comment 8 Florian Weimer 2016-06-16 08:15:37 UTC
*** Bug 1324662 has been marked as a duplicate of this bug. ***