void PacketDecodeFinalize(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p)
{
    if (p->flags & PKT_IS_INVALID) {
        StatsIncr(tv, dtv->counter_invalid);
    }
}

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.