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Always check that the value returned by asn1_do_adb() is non-NULL

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Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
(cherry picked from commit bace847eae24f48adc6a967c6cce7f8d05bbeda3)
This commit is contained in:
Richard Levitte 2016-06-14 23:54:56 +02:00
parent 95fb422ace
commit a9b2346524
1 changed files with 2 additions and 0 deletions
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2
crypto/asn1/tasn_dec.c
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@ -401,6 +401,8 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
const ASN1_TEMPLATE *seqtt; const ASN1_TEMPLATE *seqtt;
ASN1_VALUE **pseqval; ASN1_VALUE **pseqval;
seqtt = asn1_do_adb(pval, tt, 1); seqtt = asn1_do_adb(pval, tt, 1);
if (!seqtt)
continue;
pseqval = asn1_get_field_ptr(pval, seqtt); pseqval = asn1_get_field_ptr(pval, seqtt);
ASN1_template_free(pseqval, seqtt); ASN1_template_free(pseqval, seqtt);
} }