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Bug 1478250

Summary: Idle nss file descriptors should be closed [rhel-7.4.z]
Product: Red Hat Enterprise Linux 7 Reporter: Oneata Mircea Teodor <toneata>
Component: sssdAssignee: SSSD Maintainers <sssd-maint>
Status: CLOSED ERRATA QA Contact: Amith <apeetham>
Severity: urgent Docs Contact:
Priority: urgent    
Version: 7.4CC: apeetham, ekeck, grajaiya, jhrozek, lslebodn, mkosek, mzidek, pbrezina, sgoveas, tscherf
Target Milestone: rcKeywords: Regression, ZStream
Target Release: ---   
Hardware: All   
OS: All   
Whiteboard:
Fixed In Version: sssd-1.15.2-50.el7_4.2 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1464049 Environment:
Last Closed: 2017-09-05 11:24:49 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1464049    
Bug Blocks:    

Description Oneata Mircea Teodor 2017-08-04 06:36:06 UTC
This bug has been copied from bug #1464049 and has been proposed to be backported to 7.4 z-stream (EUS).

Comment 4 Amith 2017-08-18 13:57:23 UTC
Verified the bug on SSSD Version: sssd-1.15.2-50.el7_4.2.x86_64

Steps followed during verification:

1. Setup sssd.conf as mentioned in https://bugzilla.redhat.com/show_bug.cgi?id=1464049#c0

2. login as ldap user in SSSD client machine and wait for over a minute.

3. Monitor NSS and PAM file descriptors on a different terminal.

With the latest sssd build, the count of FD's has come down to one. Earlier with old build we use to see more than 2 idle connections.

[root@idm-qe-01 ~]# lsof -p $(pidof sssd_nss) | grep /var/lib/sss/pipes/nss
sssd_nss 30620 root   17u     unix 0xffff8801fefcb400       0t0     56264 /var/lib/sss/pipes/nss
[root@idm-qe-01 ~]# 
[root@idm-qe-01 ~]# lsof -p $(pidof sssd_pam) | grep /var/lib/sss/pipes/pam
sssd_pam 30621 root    0u     unix 0xffff8800e0a16800       0t0     57000 /var/lib/sss/pipes/pam
[root@idm-qe-01 ~]# 
[root@idm-qe-01 ~]# lsof -p $(pidof sssd_nss) | grep /var/lib/sss/pipes/nss
sssd_nss 30620 root   17u     unix 0xffff8801fefcb400       0t0     56264 /var/lib/sss/pipes/nss
[root@idm-qe-01 ~]# 
[root@idm-qe-01 ~]# lsof -p $(pidof sssd_pam) | grep /var/lib/sss/pipes/pam
sssd_pam 30621 root    0u     unix 0xffff8800e0a16800       0t0     57000 /var/lib/sss/pipes/pam

Comment 6 errata-xmlrpc 2017-09-05 11:24:49 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://access.redhat.com/errata/RHBA-2017:2574