Bug 701700

Summary:	sssd client libraries use select() but should use poll() instead
Product:	Red Hat Enterprise Linux 6	Reporter:	Sumit Bose <sbose>
Component:	sssd	Assignee:	Stephen Gallagher <sgallagh>
Status:	CLOSED ERRATA	QA Contact:	Chandrasekar Kannan <ckannan>
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	6.1	CC:	benl, dpal, grajaiya, jgalipea, kbanerje, prc, syeghiay
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	sssd-1.5.1-34.el6	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	701702 (view as bug list)		Environment:
Last Closed:	2011-05-19 11:39:58 UTC	Type:	---
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:
Bug Blocks:	701702

Description Sumit Bose 2011-05-03 15:49:11 UTC

Description of problem:
The select() call can only handle files descriptors lesser than 1024 safely. If the sssd nss or pam client is called from an application with many open files it may happen that the file descriptor used by the sssd client is large that 1024 which may case undefined and unexpected behaviour.

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

Additional info: 
Upstream ticket https://fedorahosted.org/sssd/ticket/861

Comment 2 Kaushik Banerjee 2011-05-04 12:09:49 UTC

Regression tests have revealed no issues yet using sssd-1.5.1-34.

Steps for further verification:
1. In sssd-1.5.1-33:
# nm -D /lib64/libnss_sss.so.2 | grep -i select
                 U select

2. In sssd-1.5.1-34:
# nm -D /lib64/libnss_sss.so.2 | grep -i select
# 

Verified in version:

# rpm -qi sssd | head
Name        : sssd                         Relocations: (not relocatable)
Version     : 1.5.1                             Vendor: Red Hat, Inc.
Release     : 34.el6                        Build Date: Tue 03 May 2011 10:42:44 PM IST
Install Date: Wed 04 May 2011 01:15:37 PM IST      Build Host: x86-003.build.bos.redhat.com
Group       : Applications/System           Source RPM: sssd-1.5.1-34.el6.src.rpm
Size        : 3464116                          License: GPLv3+
Signature   : (none)
Packager    : Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>
URL         : http://fedorahosted.org/sssd/
Summary     : System Security Services Daemon

Comment 3 errata-xmlrpc 2011-05-19 11:39:58 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0560.html

Comment 4 errata-xmlrpc 2011-05-19 13:04:04 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0560.html