(ITS#7393) slapd crash when changing an attribute name to an existing name

[ddick@cpan.org]

Full_Name: David Dick
Version: 2.4.26
OS: Fedora 16
URL: 
Submission from: (NULL) (124.148.129.18)


When changing the NAME of an attribute to the name of an existing attribute, the
slapd process crashes.

The following set of statements in ldif format will crash the server; 
The cn={12} was chosen as the next available schema index and may need to be
adjusted appropriately.

dn: cn={12}crashme,cn=schema,cn=config
changetype: add
objectClass: olcSchemaConfig
cn: {12}crashme
olcAttributeTypes: {0}( 1.3.6.1.4.1.70001.2.1 NAME 'SmtpHost' EQUALITY
caseExactMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )

dn: cn={12}crashme,cn=schema,cn=config
changetype: modify
replace: olcAttributeTypes
olcAttributeTypes: {0}( 1.3.6.1.4.1.70001.2.1 NAME 'MailHost' EQUALITY
caseExactMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )