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Signed-off-by: Niel Nielsen <nieldk@gmail.com>

client/src/cmdflashmem.c

@@ -182,7 +182,8 @@ static int pm3_sign_write(uint8_t *signature, uint8_t slen) {
 
     clearCommandBuffer();
     PacketResponseNG resp;
-    SendCommandNG(CMD_FLASHMEM_WRITE, (uint8_t *)&payload, (sizeof(payload) - sizeof(payload.data)) + payload.len);
+    uint32_t plen = (sizeof(payload) - sizeof(payload.data)) + payload.len;   // header + valid data, not the padded struct
+    SendCommandNG(CMD_FLASHMEM_WRITE, (uint8_t *)&payload, plen);
 
     if (WaitForResponseTimeout(CMD_FLASHMEM_WRITE, &resp, 2000) == false) {
         PrintAndLogEx(WARNING, "timeout while waiting for reply");
@@ -516,7 +517,8 @@ static int CmdFlashMemLoad(const char *Cmd) {
                 .len = bytes_in_packet,
             };
             memcpy(payload.data,  data + bytes_sent, bytes_in_packet);
-            SendCommandNG(CMD_FLASHMEM_WRITE, (uint8_t *)&payload, (sizeof(payload) - sizeof(payload.data)) + payload.len);
+            uint32_t plen = (sizeof(payload) - sizeof(payload.data)) + payload.len;
+            SendCommandNG(CMD_FLASHMEM_WRITE, (uint8_t *)&payload, plen);
 
             bytes_remaining -= bytes_in_packet;
             bytes_sent += bytes_in_packet;

client/src/cmdhfmf.c

@@ -3396,7 +3396,9 @@ static int CmdHF14AMfAutoPWN(const char *Cmd) {
         } else {
 
             uint32_t maxkeys = (pm3_max_cmd_data_size() - sizeof(mf_chkkeys_fast_t)) / 6;
-            if (maxkeys > 255) maxkeys = 255;
+            if (maxkeys > 255) {
+                maxkeys = 255;
+            }
             uint32_t chunksize = key_cnt > maxkeys ? maxkeys : key_cnt;
             bool firstChunk = true, lastChunk = false;
 
@@ -4048,7 +4050,9 @@ static int CmdHF14AMfChk_fast(const char *Cmd) {
     }
 
     uint32_t maxkeys = (pm3_max_cmd_data_size() - sizeof(mf_chkkeys_fast_t)) / 6;
-    if (maxkeys > 255) maxkeys = 255;
+    if (maxkeys > 255) {
+        maxkeys = 255;
+    }
     uint32_t chunksize = (keycnt > maxkeys) ? maxkeys : keycnt;
     bool firstChunk = true, lastChunk = false;
 

client/src/cmdsmartcard.c

@@ -1336,7 +1336,7 @@ static int CmdSmartBruteforceSFI(const char *Cmd) {
 
         int hexlen = 0;
         uint8_t cmddata[PM3_CMD_DATA_SIZE];
-        int res = param_gethex_to_eol(caid, 0, cmddata, (int)(pm3_max_cmd_data_size() - sizeof(smart_card_raw_t)), &hexlen);
+        int res = param_gethex_to_eol(caid, 0, cmddata, sizeof(cmddata), &hexlen);
         if (res) {
             continue;
         }