dissect_dch_ul_node_synchronisation(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset)
{
    return dissect_common_ul_node_synchronisation(pinfo, tree, tvb, offset);
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.