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convert to our calloc instead since we prefer to know allocated shared memory is empty. Also removed a malloc(1) which is just a waste of bytes just like @NVX said a year ago at DefCon

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This commit is contained in:
iceman1001 2025-05-25 09:55:32 +02:00
commit 74f1936132
11 changed files with 62 additions and 59 deletions
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16
armsrc/sam_picopass.c
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@ -46,11 +46,12 @@
*/
static int sam_send_request_iso15(const uint8_t *const request, const uint8_t request_len, uint8_t *response, uint8_t *response_len, const bool shallow_mod, const bool break_on_nr_mac, const bool prevent_epurse_update) {
int res = PM3_SUCCESS;
if (g_dbglevel >= DBG_DEBUG)
if (g_dbglevel >= DBG_DEBUG) {
DbpString("start sam_send_request_iso14a");
}
uint8_t *buf1 = BigBuf_malloc(ISO7816_MAX_FRAME);
uint8_t *buf2 = BigBuf_malloc(ISO7816_MAX_FRAME);
uint8_t *buf1 = BigBuf_calloc(ISO7816_MAX_FRAME);
uint8_t *buf2 = BigBuf_calloc(ISO7816_MAX_FRAME);
if (buf1 == NULL || buf2 == NULL) {
res = PM3_EMALLOC;
goto out;
@ -255,10 +256,10 @@ out:
*/
static int sam_set_card_detected_picopass(const picopass_hdr_t *card_select) {
int res = PM3_SUCCESS;
if (g_dbglevel >= DBG_DEBUG)
if (g_dbglevel >= DBG_DEBUG) {
DbpString("start sam_set_card_detected");
uint8_t *response = BigBuf_malloc(ISO7816_MAX_FRAME);
}
uint8_t *response = BigBuf_calloc(ISO7816_MAX_FRAME);
uint16_t response_len = ISO7816_MAX_FRAME;
// a0 12
@ -314,8 +315,9 @@ error:
out:
BigBuf_free();
if (g_dbglevel >= DBG_DEBUG)
if (g_dbglevel >= DBG_DEBUG) {
DbpString("end sam_set_card_detected");
}
return res;
}