ITS#8843 check for NULL modlist

diff --git a/servers/slapd/overlays/syncprov.c b/servers/slapd/overlays/syncprov.c
index 684421fb94141a5292a6b661690a2220b674818f..9051ec9c977c4ca6f1b22968d4fe67ae2e2bc47c 100644 (file)
--- a/servers/slapd/overlays/syncprov.c
+++ b/servers/slapd/overlays/syncprov.c
@@ -1924,6 +1924,7 @@ syncprov_op_response( Operation *op, SlapReply *rs )
                /* Don't do any processing for consumer contextCSN updates */
                if ( SLAPD_SYNC_IS_SYNCCONN( op->o_connid ) &&
                        op->o_tag == LDAP_REQ_MODIFY &&
+                       op->orm_modlist &&
                        op->orm_modlist->sml_op == LDAP_MOD_REPLACE &&
                        op->orm_modlist->sml_desc == slap_schema.si_ad_contextCSN ) {
                        /* Catch contextCSN updates from syncrepl. We have to look at