"Aborted" error seen when trying to su to ldap user account on RHEL host

Solution Verified - Updated -

Issue

When trying to su from an unpriviledged user account to another user account defined in our LDAP directory server, with debug 1 defined in /etc/ldap.conf, we see the following error:

bash-3.2$ whoami
frank
bash-3.2$ su testuser
Password:
su: ../../../libraries/liblber/io.c:81: ber_write: Assertion `buf != ((void *)0)' failed.
Aborted
bash-3.2$

Environment

  • Red Hat Enterprise Linux (RHEL) 5
  • IBM Directory Server 6.0

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