check if eth rx packet is overflow

2024-05-03 19:19:17 +08:00
parent 7ebcafe158
commit ae5a9d1e57
5 changed files with 29 additions and 9 deletions
--- a/class/cdc/usbh_cdc_ecm.c
+++ b/class/cdc/usbh_cdc_ecm.c
@@ -279,6 +279,10 @@ find_class:
            }
        } else {
            /* read continue util read short packet */
+            if (g_cdc_ecm_rx_length > CONFIG_USBHOST_CDC_ECM_ETH_MAX_SEGSZE) {
+                USB_LOG_ERR("Rx packet is overflow\r\n");
+                g_cdc_ecm_rx_length = 0;
+            }
        }
    }
    // clang-format off