RHEL4 networking commands doing DNS lookups are segfaulting when LDAP is used to hold DNS records

Solution Verified - Updated -

Issue

Using OpenLDAP to hold DNS records and performing DNS lookups against the LDAP server:

# grep hosts /etc/nsswitch.conf
hosts:      files dns ldap

Commands that involve DNS lookups are segfaulting:

# hostname
linux851

# ping linux801
Segmentation fault

# ldapsearch -x
Segmentation fault

Environment

  • Red Hat Enterprise Linux 4.5

  • OpenLDAP being used to hold DNS records

  • nss_ldap-226-20

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