Merge branch 'fix(esp_tls)/dynamic_buffer_ssl_crash' into 'master'

mahavirj · mahavirj · commit b614744808ce · 2025-09-24T12:39:03.000+05:30
fix(esp_tls): fix potential ssl crash with dynamic buffer

Closes IDF-14135

See merge request espressif/esp-idf!42120
diff --git a/components/esp-tls/esp_tls_mbedtls.c b/components/esp-tls/esp_tls_mbedtls.c
@@ -293,7 +293,7 @@ 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
`@@ -293,7 +293,7 @@ int esp_mbedtls_handshake(esp_tls_t tls, const esp_tls_cfg_t cfg)`
`293`	`293`	`ret = esp_mbedtls_dynamic_set_rx_buf_static(&tls->ssl);`
`294`	`294`	`if (ret != 0) {`
`295`	`295`	`ESP_LOGE(TAG, "esp_mbedtls_dynamic_set_rx_buf_static returned -0x%04X", -ret);`
`296`		`- return ret;`
	`296`	`+ return -1;`
`297`	`297`	`}`
`298`	`298`	`}`
`299`	`299`	`#endif`