GF_Err twrp_dump(GF_Box *a, FILE * trace)
{
	GF_TextWrapBox*p = (GF_TextWrapBox*)a;
	gf_isom_box_dump_start(a, "TextWrapBox", trace);
	fprintf(trace, "wrap_flag=\"%s\">\n", p->wrap_flag ? ( (p->wrap_flag>1) ? "Reserved" : "Automatic" ) : "No Wrap");
	gf_isom_box_dump_done("TextWrapBox", a, trace);
	return GF_OK;
}

The product reads data past the end, or before the beginning, of the intended buffer.