Hello,

Below the core dump logs : Core was generated by `/opt/openldap/libexec/slapd -h ldap://0.0.0.0:389 ld= api://%2fvar%2frun%2fslapd%'. Program terminated with signal 11, Segmentation fault. #0 0x000000000049e251 in mdb_hasSubordinates (op=3D0x7f61a140d460, e=3D<va= lue optimized out>, hasSubordinates=3D0x7f61a090e010) at operational.c:78 78 LDAP_SLIST_REMOVE( &op->o_extr= a, &moi->moi_oe, OpExtra, oe_next ); (gdb) bt #0 0x000000000049e251 in mdb_hasSubordinates (op=3D0x7f61a140d460, e=3D<va= lue optimized out>, hasSubordinates=3D0x7f61a090e010) at operational.c:78 #1 0x00000000004a08ac in mdb_search (op=3D0x7f61a140ea30, rs=3D<value opti= mized out>) at search.c:950 #2 0x0000000000000000 in ?? ()

Below slapd.conf file : ###########################################################################= ######## ###########################################################################= ######## # Configuration commune

# Schema and objectClass definitions include /appli/ldap/conf/schema/core.schema include /appli/ldap/conf/schema/cosine.schema include /appli/ldap/conf/schema/nis.schema include /appli/ldap/conf/schema/inetorgperson.schema

# Schema de l annuaire defini dans le SDET des ENT include /appli/ldap/conf/schema/sdet.schema include /appli/ldap/conf/schema/ent.schema

# Where the pid file is put. The init.d script # will not stop the server if you change this. pidfile /appli/ldap/tmp/slapd.pid

# List of arguments that were passed to the server argsfile /appli/ldap/tmp/slapd.args

# Read slapd.conf(5) for possible values loglevel stats sync logfile /appli/ldap/logs/sldap.log

# Where the dynamically loaded modules are stored # No module is needed : there are statically loaded

ServerID 001

# The tool-threads parameter sets the actual amount of cpu's that is used f= or indexing. tool-threads 3 threads 16 concurrency 16

#conn_max_pending 1000 #conn_max_pending_auth 10000

backend mdb

###########################################################################= ######## # Configuration du back-end=20 ###########################################################################= ######## # Database ENT=20 database mdb

# The base of your directory in database #1 suffix "dc=3Dent,dc=3Dfr" directory /appli/ldap/data/slapd rootdn "cn=3Dadmin,ou=3Dsystem,dc=3Dent,dc=3Dfr" rootpw {MD5}XZkSIKB+Zet6uFQ0FpHKfQ=3D=3D password-hash {MD5}

# Parametres MDB maxreaders 126 mode 0600 # Should be more than enough... searchstack 16 #32 Gb should be enough... # Set to 32 Go maxsize 161061273600 # default values lastmod TRUE maxderefdepth 15 readonly FALSE sync_use_subentry FALSE

# At some point, to get some stats, it could be interested to turn this on monitoring FALSE

# ecriture diff=E9r=E9e dbnosync TRUE # ecriture tous les 15 minutes checkpoint 0 15

###########################################################################= ##### # Configuration INDEX ###########################################################################= #####

#Globaux index objectClass eq index active eq index ou eq index cn,uid eq index sn pres,sub,eq index entryCSN,entryUUID eq #Personnes index ENTPersonJointure sub,eq index ENTPersonLogin eq index mail eq index snNormalise pres,sub,eq index ENTPersonneDN eq,pres index ENTPersonProfils eq index ENTPersonAlias eq index givenNameNormalise sub,eq index ENTCodeActivationParent eq index cnNormalise pres,sub,eq index ENTAuxPersonInit eq index ENTEleveStructRattachId eq index ENTAuxPersonCompteAAF eq index ENTAuxPersRelEleveEleve eq index ENTPersonStructRattach eq index ENTAuxOtherEtab eq index ENTPersonCodePostal eq index ENTCodeActivationEleve eq index ENTAuxPersonDeleteDate pres,eq index ENTEleveClasses eq index ENTEleveMEF eq index ENTGroupeAnnuaireFiliere eq index userPassword eq #index ENTPersonNomPatro eq index givenName pres,sub,eq index ENTEleveRelationValidee eq=20

#Structures index ENTStructureJointure eq index ENTPorteurCode eq index ENTEtablissementStructRattachFctl eq index ENTStructureNomCourant pres,sub,eq index ENTStructureUAI eq=20 #Groupes index description pres,sub,eq index descriptionNormalise pres,sub,eq index ENTGroupeAnnuaireTitreNormalise pres,sub,eq index member pres,eq index owner eq index ENTGroupeAdminLocal eq index ENTProfilDN pres,eq index ENTReferentielCode eq index ENTGroupeAnnuaireFonction pres,eq index ENTGroupeAnnuaireClasseId eq index ENTGroupeAnnuaireType eq index ENTGroupeAnnuaireMefId eq index ENTGroupeAnnuaireFiliereId eq index ENTDisciplineDN eq index ENTGroupeAdminPere eq index ENTFonctionDN eq index ENTClasseDN eq index ENTGroupeAnnuaireClasse pres,eq index ENTAdminLocalEtab eq #Synchro portail index ENTSuiviSynchroEffectuee eq=20 # New AMEU 20130827 index ENTGroupeAdminLienGroupeAnnuairePartenariat eq index ENTPersonFonctions eq index ENTGroupeAnnuaireGroupeEnseignement eq index ENTPersonNomPatro pres,sub,eq index ENTStructureAcademie eq index ENTStructureCommune eq index ENTGroupeAdminLienGroupeAnnuaire eq # New RLAR 20130904 index ENTGroupeAnnuaireFonctionId eq # New 20130914 =E0 20h00 index ENTAuxPersonEtabAcces eq # New 20130917 =E0 17h38 confcall Serges Barbosa / Proc=E8dure export de je= u de donn=E9es index modifyTimestamp eq

# TMA-8585 04/11/2013 index ENTGroupeAnnuaireMef eq index ENTCodeActivationCode eq index ENTEleveParents eq

#2.1.1RC4 index ENTAdminLocalCreateur eq

# Save the time that the entry gets modified, for database #1 lastmod on

# The admin dn has full write access, everyone else # can read everything. access to * by * read

###########################################################################= #### # Configuration SYNCHRO ###########################################################################= #####

# MULTI MASTER EN SE SYNCHRONISANT AVEC LE LDAP02 TP # syncrepl rid=3D201 provider=3Dldap://ldapp02:389 type=3DrefreshAndPersist retry=3D"5 5 300 +" searchbase=3D"dc=3Dent,dc=3Dfr" attrs=3D"*,+" bindmethod=3Dsimple binddn=3D"cn=3Dadmin,ou=3Dsystem,dc=3Dent,dc=3Dfr" credentials=3Djungle logbase=3D"cn=3Ddelta-sync" logfilter=3D"(&(objectClass=3DauditWriteObject)(reqResult=3D0))" syncdata=3Daccesslog

mirrormode on

# Overlay configuration should be added after the database configuration # D=E9finition de l'overlay li=E9 =E0 la r=E9plication maitre overlay syncprov

syncprov-checkpoint 100 10 # D=E9finition de l'overlay li=E9 =E0 la r=E9plication maitre en delta-sync overlay accesslog logdb "cn=3Ddelta-sync" logops writes logsuccess TRUE logpurge 3+00:00 1+00:00

###########################################################################= ##### # Configuration de l'accesslog ###########################################################################= ##### # Database delta-sync : database mdb suffix "cn=3Ddelta-sync" directory /appli/ldap/data/cn=3Ddelta-sync rootdn "cn=3Dadmin,ou=3Dsystem,dc=3Dent,dc=3Dfr"

#Some options to optimize acceslog : index default,reqDN eq index entryCSN,objectClass,reqEnd,reqResult,reqStart eq

#Parametres MDB maxreaders 126 mode 0600 searchstack 16 # set to 10 Go maxsize 21474836480 lastmod TRUE maxderefdepth 15 readonly FALSE dbnosync TRUE checkpoint 0 15

overlay syncprov syncprov-nopresent TRUE syncprov-reloadhint TRUE

-----Message d'origine----- De=A0: Howard Chu [mailto:hyc@symas.com]=20 Envoy=E9=A0: jeudi 9 juillet 2015 17:13 =C0=A0: LARRIEU-MANAN, Richard; openldap-its@OpenLDAP.org Objet=A0: Re: (ITS#8194) Service slapd falldown in a search with client lda= psearch

richard.larrieu-manan@cgi.com wrote:

Full_Name: CGI - Richard Larrieu-Manan Version: 2.4.41 OS: Red Hat 4.4.7-4 URL: ftp://ftp.openldap.org/incoming/CGI_20150709.core.33604.tgz Submission from: (NULL) (195.6.127.108)

Hello,

When searching in the directory ldap 2.4.41 with ldapsearch client, 1=20 out of 4 ldap service falldown. So I have provided you a core dump (ftp://ftp.openldap.org/incoming/CGI_20150709.core.33604.tgz) during=20 the bug. In 2.4.38 version of the problem does not arise.

Thanks for the report but we cannot use your core file. Please send your sl= apd configuration and the stack trace from the core.

http://www.openldap.org/faq/data/cache/59.html

--=20 -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/