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* CMD_SIGN_DATA null check

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Scott Powell 2025-03-15 22:06:57 +11:00
parent 6056c303c1
commit 31f8576640
1 changed files with 1 additions and 1 deletions
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2
examples/companion_radio/main.cpp
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@ -1282,7 +1282,7 @@ public:
sign_data = (uint8_t *) malloc(MAX_SIGN_DATA_LEN);
sign_data_len = 0;
} else if (cmd_frame[0] == CMD_SIGN_DATA && len > 1) {
if (sign_data_len + (len - 1) > MAX_SIGN_DATA_LEN) {
if (sign_data == NULL || sign_data_len + (len - 1) > MAX_SIGN_DATA_LEN) {
writeErrFrame(); // error: too long
} else {
memcpy(&sign_data[sign_data_len], &cmd_frame[1], len - 1);