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fixed memory leak 

Fixes https://oss-fuzz.com/testcase-detail/5151975710916608
This commit is contained in:
Frank Morgner 2020-02-04 14:05:07 +01:00
parent 8e466ad568
commit d7e02d3bf5
1 changed files with 5 additions and 1 deletions
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6
src/libopensc/card-epass2003.c
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@ -1157,6 +1157,7 @@ epass2003_init(struct sc_card *card)
unsigned char data[SC_MAX_APDU_BUFFER_SIZE] = { 0 };
size_t datalen = SC_MAX_APDU_BUFFER_SIZE;
epass2003_exdata *exdata = NULL;
void *old_drv_data = card->drv_data;
LOG_FUNC_CALLED(card->ctx);
@ -1171,8 +1172,11 @@ epass2003_init(struct sc_card *card)
exdata->sm = SM_SCP01;
/* decide FIPS/Non-FIPS mode */
if (SC_SUCCESS != get_data(card, 0x86, data, datalen))
if (SC_SUCCESS != get_data(card, 0x86, data, datalen)) {
free(exdata);
card->drv_data = old_drv_data;
return SC_ERROR_INVALID_CARD;
}
if (0x01 == data[2])
exdata->smtype = KEY_TYPE_AES;