More for ITS#6892

servers/slapd/overlays/syncprov.c

@@ -1304,10 +1304,12 @@ syncprov_matchops( Operation *op, opcookie *opc, int saveit )
 			op2.o_extra = op->o_extra;
 			op2.o_callback = NULL;
 			if (ss->s_flags & PS_FIX_FILTER) {
+				Filter *f;
 				/* Skip the AND/GE clause that we stuck on in front. We
 				   would lose deletes/mods that happen during the refresh
 				   phase otherwise (ITS#6555) */
-				op2.ors_filter = ss->s_op->ors_filter->f_and->f_next;
+				f = ss->s_op->ors_filter->f_and->f_next;
+				if ( f ) op2.ors_filter = f;
 			}
 			ldap_pvt_thread_mutex_unlock( &ss->s_mutex );
 			rc = test_filter( &op2, e, op2.ors_filter );