What were you trying to do that didn't work?

What is the impact of this issue to you?

Tier1 Test is failing

Please provide the package NVR for which the bug is seen:

[root@ip-10-0-199-180 ~]# rpm -qa | grep 389
389-ds-base-libs-3.0.6-3.el10_0.x86_64
python3-lib389-3.0.6-3.el10_0.noarch
389-ds-base-3.0.6-3.el10_0.x86_64
389-ds-base-debugsource-3.0.6-3.el10_0.x86_64
389-ds-base-debuginfo-3.0.6-3.el10_0.x86_64
389-ds-base-libs-debuginfo-3.0.6-3.el10_0.x86_64

How reproducible is this bug?:

Always

Steps to reproduce

1.  Create the ldap instance
2.  Add nssldap-referral using, dsconf -D "cn=Directory Manager" -w Secret123 ldap://<server1> config replace nsslapd-referral="ldap://<server0>"
3.  Check the status of instance
4.  After sometime, instance is crashed.

Expected results

Instance should not crash.

Actual results

LDAP instance is crashed

Additional information:

[root@ip-10-0-199-180 ~]# coredumpctl 
TIME                          PID UID GID SIG     COREFILE EXE                SIZE
Tue 2025-04-15 09:03:04 UTC 20343 389 389 SIGSEGV present  /usr/sbin/ns-slapd 2.1M
Tue 2025-04-15 09:21:09 UTC 20757 389 389 SIGSEGV present  /usr/sbin/ns-slapd 1.7M
Tue 2025-04-15 09:24:31 UTC 20842 389 389 SIGSEGV present  /usr/sbin/ns-slapd 1.7M
Tue 2025-04-15 09:27:15 UTC 20940 389 389 SIGSEGV present  /usr/sbin/ns-slapd 1.7M
Tue 2025-04-15 09:33:59 UTC 21282 389 389 SIGSEGV present  /usr/sbin/ns-slapd 1.7M
Tue 2025-04-15 09:34:50 UTC 21335 389 389 SIGSEGV present  /usr/sbin/ns-slapd 1.7M
Tue 2025-04-15 09:36:12 UTC 21398 389 389 SIGSEGV present  /usr/sbin/ns-slapd 1.8M
[root@ip-10-0-199-180 ~]# coredumpctl info 
.bash_history    .bash_profile    .cshrc           .ssh/            .viminfo         
.bash_logout     .bashrc          .lesshst         .tcshrc          multihost_tests/ 
[root@ip-10-0-199-180 ~]# coredumpctl info 
           PID: 21398 (ns-slapd)
           UID: 389 (dirsrv)
           GID: 389 (dirsrv)
        Signal: 11 (SEGV)
     Timestamp: Tue 2025-04-15 09:36:08 UTC (3min 38s ago)
  Command Line: /usr/sbin/ns-slapd -D /etc/dirsrv/slapd-example1 -i /run/dirsrv/slapd-example1.pid
    Executable: /usr/sbin/ns-slapd
 Control Group: /system.slice/system-dirsrv.slice/dirsrv@example1.service
          Unit: dirsrv@example1.service
         Slice: system-dirsrv.slice
       Boot ID: 0a891e439c8e43a08533695c0aee41e6
    Machine ID: 5226d9228c6644ca8bdfc3ec7b0b7d14
      Hostname: ip-10-0-199-180.rhos-01.prod.psi.rdu2.redhat.com
       Storage: /var/lib/systemd/coredump/core.ns-slapd.389.0a891e439c8e43a08533695c0aee41e6.21398.1744709768000000.zst (present)
  Size on Disk: 1.8M
       Message: Process 21398 (ns-slapd) of user 389 dumped core.
                
                Module libtasn1.so.6 from rpm libtasn1-4.20.0-1.el10.x86_64
                Module p11-kit-trust.so from rpm p11-kit-0.25.5-7.el10.x86_64
                Module libffi.so.8 from rpm libffi-3.4.4-9.el10.x86_64
                Module p11-kit-proxy.so from rpm p11-kit-0.25.5-7.el10.x86_64
                Module libfreeblpriv3.so from rpm nss-3.101.0-13.el10.x86_64
                Module libsoftokn3.so from rpm nss-3.101.0-13.el10.x86_64
                Module libwhoami-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libviews-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libusn-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libstatechange-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libschemareload-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module librootdn-access-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libroles-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libretrocl-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libreferint-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libposix-winsync-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libpassthru-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libcap-ng.so.0 from rpm libcap-ng-0.8.4-6.el10.x86_64
                Module libeconf.so.0 from rpm libeconf-0.6.2-4.el10.x86_64
                Module libaudit.so.1 from rpm audit-4.0.3-1.el10.x86_64
                Module libpam.so.0 from rpm pam-1.6.1-7.el10.x86_64
                Module libpam-passthru-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libreplication-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libmemberof-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libmanagedentries-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module liblinkedattrs-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module liblmdb.so.0.0.0 from rpm lmdb-0.9.32-4.el10.x86_64
                Module libback-ldbm.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libentryuuid-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libdna-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libderef-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libcontentsync-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libcos-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libchainingdb-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libautomember-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libalias-entries-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libns-dshttpd.so.0 from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libacl-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libacctusability-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libacctpolicy-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libattr-unique-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libdigestmd5.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libcrammd5.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libplain.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module liblogin.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libgssapi_krb5.so.2 from rpm krb5-1.21.3-7.el10.x86_64
                Module libgssapiv2.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libsasldb.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libanonymous.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libpwdchan-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libpwdstorage-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libpbe-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
           PID: 21398 (ns-slapd)
           UID: 389 (dirsrv)
           GID: 389 (dirsrv)
        Signal: 11 (SEGV)
     Timestamp: Tue 2025-04-15 09:36:08 UTC (3min 38s ago)
  Command Line: /usr/sbin/ns-slapd -D /etc/dirsrv/slapd-example1 -i /run/dirsrv/slapd-example1.pid
    Executable: /usr/sbin/ns-slapd
 Control Group: /system.slice/system-dirsrv.slice/dirsrv@example1.service
          Unit: dirsrv@example1.service
         Slice: system-dirsrv.slice
       Boot ID: 0a891e439c8e43a08533695c0aee41e6
    Machine ID: 5226d9228c6644ca8bdfc3ec7b0b7d14
      Hostname: ip-10-0-199-180.rhos-01.prod.psi.rdu2.redhat.com
       Storage: /var/lib/systemd/coredump/core.ns-slapd.389.0a891e439c8e43a08533695c0aee41e6.21398.1744709768000000.zst (present)
  Size on Disk: 1.8M
       Message: Process 21398 (ns-slapd) of user 389 dumped core.
                
                Module libtasn1.so.6 from rpm libtasn1-4.20.0-1.el10.x86_64
                Module p11-kit-trust.so from rpm p11-kit-0.25.5-7.el10.x86_64
                Module libffi.so.8 from rpm libffi-3.4.4-9.el10.x86_64
                Module p11-kit-proxy.so from rpm p11-kit-0.25.5-7.el10.x86_64
                Module libfreeblpriv3.so from rpm nss-3.101.0-13.el10.x86_64
                Module libsoftokn3.so from rpm nss-3.101.0-13.el10.x86_64
                Module libwhoami-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libviews-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libusn-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libstatechange-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libschemareload-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module librootdn-access-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libroles-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libretrocl-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libreferint-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libposix-winsync-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libpassthru-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libcap-ng.so.0 from rpm libcap-ng-0.8.4-6.el10.x86_64
                Module libeconf.so.0 from rpm libeconf-0.6.2-4.el10.x86_64
                Module libaudit.so.1 from rpm audit-4.0.3-1.el10.x86_64
                Module libpam.so.0 from rpm pam-1.6.1-7.el10.x86_64
                Module libpam-passthru-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libreplication-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libmemberof-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libmanagedentries-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module liblinkedattrs-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module liblmdb.so.0.0.0 from rpm lmdb-0.9.32-4.el10.x86_64
                Module libback-ldbm.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libentryuuid-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libdna-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libderef-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libcontentsync-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libcos-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libchainingdb-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libautomember-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libalias-entries-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libns-dshttpd.so.0 from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libacl-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libacctusability-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libacctpolicy-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libattr-unique-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libdigestmd5.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libcrammd5.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libplain.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module liblogin.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libgssapi_krb5.so.2 from rpm krb5-1.21.3-7.el10.x86_64
                Module libgssapiv2.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libsasldb.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libanonymous.so from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libpwdchan-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libpwdstorage-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libpbe-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libicudata.so.74 from rpm icu-74.2-4.el10.x86_64
                Module libicuuc.so.74 from rpm icu-74.2-4.el10.x86_64
                Module libicui18n.so.74 from rpm icu-74.2-4.el10.x86_64
                Module libcollation-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libentryuuid-syntax-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libbitwise-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libsyntax-plugin.so from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libselinux.so.1 from rpm libselinux-3.8-1.el10.x86_64
                Module libkeyutils.so.1 from rpm keyutils-1.6.3-5.el10.x86_64
                Module libkrb5support.so.0 from rpm krb5-1.21.3-7.el10.x86_64
                Module libcap.so.2 from rpm libcap-2.69-7.el10.x86_64
                Module libcrypt.so.2 from rpm libxcrypt-4.4.36-10.el10.x86_64
                Module libevent-2.1.so.7 from rpm libevent-2.1.12-16.el10.x86_64
                Module libssl.so.3 from rpm openssl-3.2.2-16.el10.x86_64
                Module libplds4.so from rpm nss-3.101.0-13.el10.x86_64
                Module libnssutil3.so from rpm nss-3.101.0-13.el10.x86_64
                Module libsmime3.so from rpm nss-3.101.0-13.el10.x86_64
                Module libcrack.so.2 from rpm cracklib-2.9.11-8.el10.x86_64
                Module libjson-c.so.5 from rpm json-c-0.18-3.el10.x86_64
                Module libz.so.1 from rpm zlib-ng-2.2.3-1.el10.x86_64
                Module libsvrcore.so.0 from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libpcre2-8.so.0 from rpm pcre2-10.44-1.el10.3.x86_64
                Module libcom_err.so.2 from rpm e2fsprogs-1.47.1-3.el10.x86_64
                Module libk5crypto.so.3 from rpm krb5-1.21.3-7.el10.x86_64
                Module libkrb5.so.3 from rpm krb5-1.21.3-7.el10.x86_64
                Module libsasl2.so.3 from rpm cyrus-sasl-2.1.28-27.el10.x86_64
                Module libnspr4.so from rpm nss-3.101.0-13.el10.x86_64
                Module libplc4.so from rpm nss-3.101.0-13.el10.x86_64
                Module libcrypto.so.3 from rpm openssl-3.2.2-16.el10.x86_64
                Module libnss3.so from rpm nss-3.101.0-13.el10.x86_64
                Module libssl3.so from rpm nss-3.101.0-13.el10.x86_64
                Module libldaputil.so.0 from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libslapd.so.0 from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Module libjemalloc.so.2 from rpm 389-ds-base-3.0.6-3.el10_0.x86_64
                Stack trace of thread 21408:
                #0  0x0000000000000000 n/a (n/a + 0x0)
                #1  0x000055f29a7bde0e n/a (n/a + 0x0)
                #2  0x000055f29a7c12bc n/a (n/a + 0x0)
                ELF object binary architecture: AMD x86-64

[root@ip-10-0-199-180 ~]# dsctl slapd-example1 status
Instance "example1" is running
[root@ip-10-0-199-180 ~]# dsconf -D "cn=Directory Manager" -w Secret123 ldap://<server1> config replace nsslapd-referral="ldap://<server0>"
Successfully replaced value(s) for 'nsslapd-referral': 'ldap://<server0>'
[root@ip-10-0-199-180 ~]# dsctl slapd-example1 restart
Instance "example1" has been restarted
[root@ip-10-0-199-180 ~]# dsctl slapd-example1 status
Instance "example1" is running[root@ip-10-0-199-180 ~]# dsctl slapd-example1 status
Instance "example1" is not running
[root@ip-10-0-199-180 ~]# dsctl slapd-example1 status
Instance "example1" is not running