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fixed memory leak

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fixes https://oss-fuzz.com/testcase-detail/6237284133502976
This commit is contained in:
Frank Morgner 2020-02-04 14:10:43 +01:00
parent d7e02d3bf5
commit 2493c5de07
1 changed files with 8 additions and 9 deletions
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17
src/libopensc/card-dnie.c
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@ -1161,8 +1161,6 @@ static int dnie_compose_and_send_apdu(sc_card_t *card, const u8 *path, size_t pa
int res = 0;
sc_apdu_t apdu;
u8 rbuf[MAX_RESP_BUFFER_SIZE];
sc_file_t *file = NULL;
sc_context_t *ctx = NULL;
if (!card || !card->ctx)
@ -1199,14 +1197,15 @@ static int dnie_compose_and_send_apdu(sc_card_t *card, const u8 *path, size_t pa
LOG_FUNC_RETURN(ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED);
}
/* finally process FCI response */
file = sc_file_new();
if (file == NULL) {
LOG_FUNC_RETURN(ctx, SC_ERROR_OUT_OF_MEMORY);
if (file_out) {
/* finally process FCI response */
sc_file_free(*file_out);
*file_out = sc_file_new();
if (*file_out == NULL) {
LOG_FUNC_RETURN(ctx, SC_ERROR_OUT_OF_MEMORY);
}
res = card->ops->process_fci(card, *file_out, apdu.resp + 2, apdu.resp[1]);
}
res = card->ops->process_fci(card, file, apdu.resp + 2, apdu.resp[1]);
sc_file_free(*file_out);
*file_out = file;
LOG_FUNC_RETURN(ctx, res);
}