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Fix asn1_item_print_ctx

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

(Imported from upstream's 34a7ed0c39aa3ab67eea1e106577525eaf0d7a00.)

Change-Id: Ia43cdc73b5f1d16e6fc907b5aaf13c9df5a9958c
Reviewed-on: https://boringssl-review.googlesource.com/4007
Reviewed-by: Adam Langley <agl@google.com>
This commit is contained in:
David Benjamin 2015-03-18 19:57:36 -04:00 committed by Adam Langley
parent e30f3fb080
commit a9c6667cab
1 changed files with 2 additions and 0 deletions
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2
crypto/asn1/tasn_prn.c
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@ -309,6 +309,8 @@ static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
{
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))