crypto/asn1/asn1_gen.c:327: error: UNINITIALIZED_VALUE
  The value read from vlen was never initialized.
Showing all 1 steps of the trace


crypto/asn1/asn1_gen.c:327:8: 
325.   		case ASN1_GEN_FLAG_EXP:
326.   
327. > 		if (!parse_tagging(vstart, vlen, &tmp_tag, &tmp_class))
328.   			return -1;
329.   		if (!append_exp(arg, tmp_tag, tmp_class, 1, 0, 0))
