Bug 1157757

Summary:	When using slapi-nis to provide access to AD users to legacy clients, 389-ds threads lock on access to getgrgid_r()
Product:	Red Hat Enterprise Linux 7	Reporter:	Konstantin Lepikhov <klepikho>
Component:	slapi-nis	Assignee:	Alexander Bokovoy <abokovoy>
Status:	CLOSED DUPLICATE	QA Contact:	Namita Soman <nsoman>
Severity:	high	Docs Contact:	Tomas Capek <tcapek>
Priority:	unspecified
Version:	7.0	CC:	abokovoy, dpal, gparente, jbuchta, mkosek, mnavrati, nalin
Target Milestone:	rc
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Known Issue
Doc Text:	When the Schema Compatibility plug-in is configured to provide Active Directory (AD) users access to legacy clients using the Identity Management (IdM) cross-forest trust to AD, the 389 Directory Server can under certain conditions increase CPU consumption upon receiving a request to resolve complex group membership of an AD user.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-03-26 21:27:26 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:
Bug Depends On:
Bug Blocks:	1133060, 1168850, 1179458, 1180596, 1182933, 1185286, 1187501, 1189279, 1205796

Description Konstantin Lepikhov 2014-10-27 15:50:28 UTC

Description of problem:

Originally spotted in #sfdc case 01190699

Attaching strace, pstack from ns-ldap server and logs from RHEL5.

Version-Release number of selected component (if applicable):
slapi-nis-0.52-6.el7_0

How reproducible:
In customer environment

Actual results:
ns-ldapd consume 100% CPU

Expected results:
we need a mechanism to filter/cache such requests in glibc and not abuse nss_file.

Comment 11 Alexander Bokovoy 2015-02-18 15:41:57 UTC

Yes.

Comment 15 Alexander Bokovoy 2015-03-26 20:18:29 UTC

This bug is fixed with bug 1202995 and https://rhn.redhat.com/errata/RHSA-2015-0728.html in RHEL 7.1.z

Comment 16 Dmitri Pal 2015-03-26 21:27:26 UTC


*** This bug has been marked as a duplicate of bug 1202996 ***