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fix double-free

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This commit is contained in:
Philippe Teuwen
2025-03-27 21:47:42 +01:00
parent ec6f9e78b6
commit 145ee3baa7
1 changed files with 3 additions and 0 deletions
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3
client/src/cmdhfmfu.c
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@@ -1613,6 +1613,7 @@ static int mfu_dump_tag(uint16_t pages, void **pdata, uint16_t *len) {
if (WaitForResponseTimeout(CMD_ACK, &resp, 2500) == false) {
PrintAndLogEx(WARNING, "command execution time out");
free(*pdata);
*pdata = NULL;
res = PM3_ETIMEOUT;
goto out;
}
@@ -1620,6 +1621,7 @@ static int mfu_dump_tag(uint16_t pages, void **pdata, uint16_t *len) {
if (resp.oldarg[0] != 1) {
PrintAndLogEx(WARNING, "Failed reading card");
free(*pdata);
*pdata = NULL;
res = PM3_ESOFT;
goto out;
}
@@ -1635,6 +1637,7 @@ static int mfu_dump_tag(uint16_t pages, void **pdata, uint16_t *len) {
if (GetFromDevice(BIG_BUF, *pdata, buffer_size, startindex, NULL, 0, NULL, 2500, false) == false) {
PrintAndLogEx(WARNING, "command execution time out");
free(*pdata);
*pdata = NULL;
res = PM3_ETIMEOUT;
goto out;
}