Full_Name: hemant jain Version: openldap-2.4.40-8 OS: RHEL 7.2 URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (123.63.202.166)

Hi,

We are facing a strange core dump in ldap_new_connection function while trying to bind a stopped Openldap server.

following is the stack trace:

#0 0x00007f9336898f53 in ldap_new_connection (ld=ld@entry=0x7f931f43cd60, srvlist=srvlist@entry=0x7f931f48b298, use_ldsb=use_ldsb@entry=1, connect=connect@entry=1, bind=bind@entry=0x0, m_req=m_req@entry=0, m_res=m_res@entry=0) at request.c:481 #1 0x00007f933688530f in ldap_open_defconn (ld=ld@entry=0x7f931f43cd60) at open.c:41 #2 0x00007f933689a248 in ldap_send_initial_request (ld=ld@entry=0x7f931f43cd60, msgtype=msgtype@entry=96, dn=dn@entry=0x7f931f827718 "cn=Manager,dc=test,dc=com", ber=ber@entry=0x7f931f457150, msgid=msgid@entry=1) at request.c:130 #3 0x00007f933688f178 in ldap_sasl_bind (ld=0x7f931f43cd60, dn=0x7f931f827718 "cn=Manager,dc=test,dc=com", mechanism=<optimized out>, cred=0x7f931f4296b0, sctrls=0x0, cctrls=<optimized out>, msgidp=0x7f92243ed8dc) at sasl.c:148 #4 0x00007f9340f571da in ldap::Connection::Bind (this=this@entry=0x7f931c043478, msg_id=@0x7f92243ed98c: -1) at support/ldapconnection.cpp

I have installed corresponding debug rpm for Openldap library. Following the source info. core dump is coming at line 481 of request.c file.A%A for ( srvp = srvlist; *srvp != NULL; srvp = &(*srvp)->lud_next ) // Here srvp is NULL so *srvp dumping core.

if ( connect ) { LDAPURLDesc **srvp, *srv = NULL;

async = LDAP_BOOL_GET( &ld->ld_options, LDAP_BOOL_CONNECT_ASYNC );

for ( srvp = srvlist; *srvp != NULL; srvp = &(*srvp)->lud_next ) { int rc;

rc = ldap_int_open_connection( ld, lc, *srvp, async ); if ( rc != -1 ) { srv = *srvp;

if ( ld->ld_urllist_proc && ( !async || rc != -2 ) ) { ld->ld_urllist_proc( ld, srvlist, srvp, ld->ld_urllist_params ); }

break; } }

Any idea how to fix it ?