ITS#5490

CHANGES

@@ -34,6 +34,7 @@ OpenLDAP 2.4.9 Engineering
 	Fixed slapd-ldif file name handling (ITS#5408)
 	Fixed slapd-meta connections on error (ITS#5440)
 	Fixed slapd-meta crash on search (ITS#5481)
+	Fixed slapo-accesslog null callback stack crash (ITS#5490)
 	Fixed slapo-auditlog unnecessary syscall (ITS#5441)
 	Fixed slapo-refint dnSubtreeMatch (ITS#5427)
 	Fixed slapo-refint global referential integrity (ITS#5428)

servers/slapd/overlays/accesslog.c

@@ -1348,7 +1348,7 @@ static int accesslog_response(Operation *op, SlapReply *rs) {
 		old = li->li_old;
 		li->li_old = NULL;
 		/* Disarm mod_cleanup */
-		for ( cb = op->o_callback->sc_next; cb; cb = cb->sc_next ) {
+		for ( cb = op->o_callback; cb; cb = cb->sc_next ) {
 			if ( cb->sc_private == (void *)on ) {
 				cb->sc_private = NULL;
 				break;