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fixed memory leak 

fixes https://oss-fuzz.com/testcase-detail/5739164513599488
This commit is contained in:
Frank Morgner 2020-02-12 04:48:40 +01:00
parent 0d82c95a02
commit 6c855c561c
1 changed files with 12 additions and 3 deletions
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15
src/libopensc/card-iasecc.c
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@ -580,6 +580,7 @@ iasecc_init(struct sc_card *card)
struct sc_context *ctx = card->ctx;
struct iasecc_private_data *private_data = NULL;
int rv = SC_ERROR_NO_CARD_SUPPORT;
void *old_drv_data = card->drv_data;
LOG_FUNC_CALLED(ctx);
private_data = (struct iasecc_private_data *) calloc(1, sizeof(struct iasecc_private_data));
@ -599,8 +600,9 @@ iasecc_init(struct sc_card *card)
rv = iasecc_init_amos_or_sagem(card);
else if (card->type == SC_CARD_TYPE_IASECC_MI)
rv = iasecc_init_amos_or_sagem(card);
else
LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_CARD);
else {
LOG_TEST_GOTO_ERR(ctx, SC_ERROR_INVALID_CARD, "");
}
if (!rv) {
@ -614,7 +616,7 @@ iasecc_init(struct sc_card *card)
rv = iasecc_select_file(card, &path, NULL);
sc_log(ctx, "Select ECC ROOT with the AID from EF.ATR: rv %i", rv);
LOG_TEST_RET(ctx, rv, "Select EF.ATR AID failed");
LOG_TEST_GOTO_ERR(ctx, rv, "Select EF.ATR AID failed");
}
iasecc_get_serialnr(card, NULL);
@ -628,6 +630,13 @@ iasecc_init(struct sc_card *card)
if (!rv && card->ef_atr && card->ef_atr->aid.len) {
sc_log(ctx, "EF.ATR(aid:'%s')", sc_dump_hex(card->ef_atr->aid.value, card->ef_atr->aid.len));
}
err:
if (rv < 0) {
free(private_data);
card->drv_data = old_drv_data;
}
LOG_FUNC_RETURN(ctx, rv);
}