(ITS#5642) Double free on exit, when specific attributetype is defined

[stef@memberwebs.com]

Full_Name: Stef Walter
Version: 2.4.11
OS: FreeBSD 6.3-RELEASE-p2
URL: 
Submission from: (NULL) (38.99.5.20)


When the following line is present in the schema (or slapd.conf), then upon exit
any slap* process aborts due to a double free of memory:

attributetype ( 278.1.3.6.1 NAME 'requireClass' SUP objectClass )


The OID is obviously fictional. This can be triggered reliably by running:

# slaptest