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Bug 866542

Summary: sssd_be crashes while looking up users
Product: Red Hat Enterprise Linux 6 Reporter: Kaushik Banerjee <kbanerje>
Component: sssdAssignee: Jakub Hrozek <jhrozek>
Status: CLOSED ERRATA QA Contact: Kaushik Banerjee <kbanerje>
Severity: unspecified Docs Contact:
Priority: high    
Version: 6.4CC: dpal, grajaiya, jgalipea, pbrezina
Target Milestone: rcKeywords: Regression
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: sssd-1.9.2-3.el6 Doc Type: Bug Fix
Doc Text:
No Documentation Needed
 Story Points: ---
Clone Of: Environment:
Last Closed: 2013-02-21 09:37:41 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:
Attachments:
Description Flags
Crash backtrace none

Description Kaushik Banerjee 2012-10-15 15:20:16 UTC 
Description of problem:
sssd_be crashes while looking up users

Version-Release number of selected component (if applicable):
sssd-1.9.2-2.el6.x86_64

How reproducible:
Always

Steps to Reproduce:
1. sssd.conf domain section:
[domain/LDAP]
debug_level = 0xFFF0
id_provider = ldap
auth_provider = ldap
ldap_uri = ldap://ldapserver.example.com
ldap_search_base = dc=example,dc=com
ldap_tls_cacert = /etc/openldap/certs/server.pem

2. Lookup a user in ldap:
# getent passwd kau1    <== Returns nothing. sssd_be crashes
  
Actual results:
Lookup fails and sssd_be crashes.

Expected results:
Lookup succeeds

Additional info:

/var/log/messages shows:

Oct 15 19:48:40 dhcp201-200 kernel: sssd_be[6250]: segfault at 0 ip 00007fe25bf46351 sp 00007fff7b9686d0 error 4 in libsss_ldap.so[7fe25be58000+139000]
Oct 15 19:48:40 dhcp201-200 abrtd: Directory 'ccpp-2012-10-15-19:48:40-6250' creation detected
Oct 15 19:48:40 dhcp201-200 abrt[6263]: Saved core dump of pid 6250 (/usr/libexec/sssd/sssd_be) to /var/spool/abrt/ccpp-2012-10-15-19:48:40-6250 (1265664 bytes)
Oct 15 19:48:40 dhcp201-200 sssd[be[LDAP]]: Starting up
Comment 1 Kaushik Banerjee 2012-10-15 15:21:20 UTC 
Created attachment 627513 [details]
Crash backtrace
Comment 2 Jakub Hrozek 2012-10-15 15:33:52 UTC 
Upstream ticket:
https://fedorahosted.org/sssd/ticket/1581
Comment 4 Jakub Hrozek 2012-10-15 15:37:28 UTC 
This crash occurs when there is either no namingContexts attribute or it has multiple values (which was Kaushik's case). It is a regression caused by our fix to #854619.
Comment 7 Kaushik Banerjee 2012-11-09 11:43:14 UTC 
Verified in version 1.9.2-7. Multiple naming context tests now pass.

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:: [   LOG    ] :: naming_context_09 multiple namingcontexts and ldap_search_base is specified
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

:: [   PASS   ] :: Running '> /var/log/sssd/sssd_LDAP.log'
:: [   PASS   ] :: Running 'default_conf_naming_context'
:: [   PASS   ] :: Running 'echo "ldap_search_base = dc=example2,dc=com" >> /etc/sssd/sssd.conf'
:: [   PASS   ] :: Running 'service sssd stop'
:: [   PASS   ] :: Running 'rm -fr /var/lib/sss/db/*.ldb /var/lib/sss/mc/*'
:: [   PASS   ] :: Running 'service sssd start'
:: [   PASS   ] :: napping for 6 secs...
:: [   PASS   ] :: Running 'restart_clearing_cache'
:: [   PASS   ] :: Running 'getent -s sss passwd nc1'
:: [   PASS   ] :: Running 'getent -s sss group nc1_grp1'
:: [   PASS   ] :: Running 'getent -s sss netgroup nc1_netgroup1'
:: [   LOG    ] :: Duration: 14s
:: [   LOG    ] :: Assertions: 11 good, 0 bad
:: [   PASS   ] :: RESULT: naming_context_09 multiple namingcontexts and ldap_search_base is specified
Comment 8 errata-xmlrpc 2013-02-21 09:37:41 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.

http://rhn.redhat.com/errata/RHSA-2013-0508.html