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cac: Make sure we do not leak memory 

Thanks oss-fuzz

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18564
This commit is contained in:
Jakub Jelen 2019-10-29 10:28:35 +01:00 committed by Frank Morgner
parent 829a73c941
commit 51363d3392
1 changed files with 2 additions and 0 deletions
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2
src/libopensc/card-cac.c
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@ -1410,6 +1410,7 @@ static int cac_parse_cuid(sc_card_t *card, cac_private_data_t *priv, cac_cuid_t
sc_dump_hex(&val->card_id, card_id_len),
card_id_len);
priv->cuid = *val;
free(priv->cac_id);
priv->cac_id = malloc(card_id_len);
if (priv->cac_id == NULL) {
return SC_ERROR_OUT_OF_MEMORY;
@ -1704,6 +1705,7 @@ static int cac_populate_cac_alt(sc_card_t *card, int index, cac_private_data_t *
if (r > 0) {
#ifdef ENABLE_OPENSSL
size_t val_len = r;
free(priv->cac_id);
priv->cac_id = malloc(20);
if (priv->cac_id == NULL) {
return SC_ERROR_OUT_OF_MEMORY;