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fix(esp-tls): guard against NULL PSK hint to prevent crash

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This commit is contained in:
Ashish Sharma
2026-08-26 17:20:19 +08:00
parent 65817f36ce
commit 1b54270b00
1 changed files with 5 additions and 1 deletions
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components/esp-tls/esp_tls_mbedtls.c
+5 -1
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@@ -1,5 +1,5 @@
/* /*
* SPDX-FileCopyrightText: 2019-2025 Espressif Systems (Shanghai) CO LTD * SPDX-FileCopyrightText: 2019-2026 Espressif Systems (Shanghai) CO LTD
* *
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
*/ */
@@ -816,6 +816,10 @@ esp_err_t set_client_config(const char *hostname, size_t hostlen, esp_tls_cfg_t
// //
// PSK encryption mode is configured only if no certificate supplied and psk pointer not null // PSK encryption mode is configured only if no certificate supplied and psk pointer not null
ESP_LOGD(TAG, "ssl psk authentication"); ESP_LOGD(TAG, "ssl psk authentication");
if (cfg->psk_hint_key->hint == NULL) {
ESP_LOGE(TAG, "Failed to use psk_hint_key");
return ESP_ERR_MBEDTLS_SSL_CONF_PSK_FAILED;
}
ret = mbedtls_ssl_conf_psk(&tls->conf, cfg->psk_hint_key->key, cfg->psk_hint_key->key_size, ret = mbedtls_ssl_conf_psk(&tls->conf, cfg->psk_hint_key->key, cfg->psk_hint_key->key_size,
(const unsigned char *)cfg->psk_hint_key->hint, strlen(cfg->psk_hint_key->hint)); (const unsigned char *)cfg->psk_hint_key->hint, strlen(cfg->psk_hint_key->hint));
if (ret != 0) { if (ret != 0) {