Merge branch 'fix(esp_tls)/dynamic_buffer_ssl_crash_v5.4' into 'release/v5.4'

mahavirj · mahavirj · commit 07cd1c2fae10 · 2025-10-06T14:20:27.000+05:30
fix(esp_tls): fix potential ssl crash with dynamic buffer (v5.4)

See merge request espressif/esp-idf!42139
diff --git a/components/esp-tls/esp_tls_mbedtls.c b/components/esp-tls/esp_tls_mbedtls.c
@@ -239,7 +239,7 @@ int esp_mbedtls_handshake(esp_tls_t *tls, const esp_tls_cfg_t *cfg)
             ret = esp_mbedtls_dynamic_set_rx_buf_static(&tls->ssl);
             if (ret != 0) {
                 ESP_LOGE(TAG, "esp_mbedtls_dynamic_set_rx_buf_static returned -0x%04X", -ret);
-                return ret;
+                return -1;
             }
         }
 #endif

Original file line number	Diff line number	Diff line change
`@@ -239,7 +239,7 @@ int esp_mbedtls_handshake(esp_tls_t tls, const esp_tls_cfg_t cfg)`
`239`	`239`	`ret = esp_mbedtls_dynamic_set_rx_buf_static(&tls->ssl);`
`240`	`240`	`if (ret != 0) {`
`241`	`241`	`ESP_LOGE(TAG, "esp_mbedtls_dynamic_set_rx_buf_static returned -0x%04X", -ret);`
`242`		`- return ret;`
	`242`	`+ return -1;`
`243`	`243`	`}`
`244`	`244`	`}`
`245`	`245`	`#endif`