Fix asn1_item_print_ctx

The call to asn1_do_adb can return NULL on error, so we should check the
return value before attempting to use it.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 34a7ed0c39)
This commit is contained in:
Matt Caswell 2015-03-11 19:41:01 +00:00
parent e6dcb08984
commit 2679485e69

View file

@ -289,6 +289,8 @@ static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
for (i = 0, tt = it->templates; i < it->tcount; i++, tt++) {
const ASN1_TEMPLATE *seqtt;
seqtt = asn1_do_adb(fld, tt, 1);
if(!seqtt)
return 0;
tmpfld = asn1_get_field_ptr(fld, seqtt);
if (!asn1_template_print_ctx(out, tmpfld,
indent + 2, seqtt, pctx))