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fix(esp_tee): Add additional input validation checks for TEE service calls

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This commit is contained in:
Laukik Hase
2026-06-26 15:06:27 +05:30
parent 081d27cbd2
commit e99233f202
4 changed files with 48 additions and 10 deletions
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components/esp_tee/src/esp_secure_service_wrapper.c
+11 -1
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@@ -256,10 +256,20 @@ esp_err_t __wrap_esp_ds_start_sign(const void *message,
if (esp_ds_ctx != NULL) {
*esp_ds_ctx = malloc(sizeof(esp_ds_context_t));
if (!*esp_ds_ctx) {
esp_crypto_ds_lock_release();
return ESP_ERR_NO_MEM;
}
}
return esp_tee_service_call(5, SS_ESP_DS_START_SIGN, message, data, key_id, esp_ds_ctx);
esp_err_t err = esp_tee_service_call(5, SS_ESP_DS_START_SIGN, message, data, key_id, esp_ds_ctx);
if (err != ESP_OK) {
if (esp_ds_ctx != NULL) {
free(*esp_ds_ctx);
*esp_ds_ctx = NULL;
}
esp_crypto_ds_lock_release();
}
return err;
}
bool __wrap_esp_ds_is_busy(void)