do_bundle_commit(struct ofconn *ofconn, uint32_t id, uint16_t flags)
{
    struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
    ovs_version_t version = ofproto->tables_version + 1;
    struct ofp_bundle *bundle;
    struct ofp_bundle_entry *be;
    enum ofperr error;

    bundle = ofconn_get_bundle(ofconn, id);

    if (!bundle) {
        return OFPERR_OFPBFC_BAD_ID;
    }
    if (bundle->flags != flags) {
        error = OFPERR_OFPBFC_BAD_FLAGS;
    } else {
        bool prev_is_port_mod = false;

        error = 0;
        ovs_mutex_lock(&ofproto_mutex);

        /* 1. Begin. */
        LIST_FOR_EACH (be, node, &bundle->msg_list) {
            if (be->type == OFPTYPE_PORT_MOD) {
                /* Our port mods are not atomic. */
                if (flags & OFPBF_ATOMIC) {
                    error = OFPERR_OFPBFC_MSG_FAILED;
                } else {
                    prev_is_port_mod = true;
                    error = port_mod_start(ofconn, &be->opm.pm, &be->opm.port);
                }
            } else {
                /* Flow & group mods between port mods are applied as a single
                 * version, but the versions are published only after we know
                 * the commit is successful. */
                if (prev_is_port_mod) {
                    prev_is_port_mod = false;
                    ++version;
                }
                if (be->type == OFPTYPE_FLOW_MOD) {
                    /* Store the version in which the changes should take
                     * effect. */
                    be->ofm.version = version;
                    error = ofproto_flow_mod_start(ofproto, &be->ofm);
                } else if (be->type == OFPTYPE_GROUP_MOD) {
                    /* Store the version in which the changes should take
                     * effect. */
                    be->ogm.version = version;
                    error = ofproto_group_mod_start(ofproto, &be->ogm);
                } else if (be->type == OFPTYPE_PACKET_OUT) {
                    be->opo.version = version;
                    error = ofproto_packet_out_start(ofproto, &be->opo);
                } else {
                    OVS_NOT_REACHED();
                }
            }
            if (error) {
                break;
            }
        }

        if (error) {
            /* Send error referring to the original message. */
            if (error) {
                ofconn_send_error(ofconn, &be->ofp_msg, error);
                error = OFPERR_OFPBFC_MSG_FAILED;
            }

            /* 2. Revert.  Undo all the changes made above. */
            LIST_FOR_EACH_REVERSE_CONTINUE(be, node, &bundle->msg_list) {
                if (be->type == OFPTYPE_FLOW_MOD) {
                    ofproto_flow_mod_revert(ofproto, &be->ofm);
                } else if (be->type == OFPTYPE_GROUP_MOD) {
                    ofproto_group_mod_revert(ofproto, &be->ogm);
                } else if (be->type == OFPTYPE_PACKET_OUT) {
                    ofproto_packet_out_revert(ofproto, &be->opo);
                }
                /* Nothing needs to be reverted for a port mod. */
            }
        } else {
            /* 4. Finish. */
            LIST_FOR_EACH (be, node, &bundle->msg_list) {
                if (be->type == OFPTYPE_PORT_MOD) {
                    /* Perform the actual port mod. This is not atomic, i.e.,
                     * the effects will be immediately seen by upcall
                     * processing regardless of the lookup version.  It should
                     * be noted that port configuration changes can originate
                     * also from OVSDB changes asynchronously to all upcall
                     * processing. */
                    port_mod_finish(ofconn, &be->opm.pm, be->opm.port);
                } else {
                    version =
                        (be->type == OFPTYPE_FLOW_MOD) ? be->ofm.version :
                        (be->type == OFPTYPE_GROUP_MOD) ? be->ogm.version :
                        (be->type == OFPTYPE_PACKET_OUT) ? be->opo.version :
                        version;

                    /* Bump the lookup version to the one of the current
                     * message.  This makes all the changes in the bundle at
                     * this version visible to lookups at once. */
                    if (ofproto->tables_version < version) {
                        ofproto->tables_version = version;
                        ofproto->ofproto_class->set_tables_version(
                            ofproto, ofproto->tables_version);
                    }

                    struct openflow_mod_requester req = { ofconn,
                                                          &be->ofp_msg };

                    if (be->type == OFPTYPE_FLOW_MOD) {
                        ofproto_flow_mod_finish(ofproto, &be->ofm, &req);
                    } else if (be->type == OFPTYPE_GROUP_MOD) {
                        ofproto_group_mod_finish(ofproto, &be->ogm, &req);
                    } else if (be->type == OFPTYPE_PACKET_OUT) {
                        ofproto_packet_out_finish(ofproto, &be->opo);
                    }
                }
            }
        }

        ofmonitor_flush(ofproto->connmgr);
        ovs_mutex_unlock(&ofproto_mutex);
    }

    /* The bundle is discarded regardless the outcome. */
    ofp_bundle_remove__(ofconn, bundle);
    return error;
}

The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.