From e636c8d336489bf3eed5878299e6cc045bbad077 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:17:29 +0000
Subject: [PATCH] debug lk
---
kernel/drivers/net/usb/smsc95xx.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/net/usb/smsc95xx.c b/kernel/drivers/net/usb/smsc95xx.c
index e1cd4c2..975f526 100644
--- a/kernel/drivers/net/usb/smsc95xx.c
+++ b/kernel/drivers/net/usb/smsc95xx.c
@@ -1824,6 +1824,12 @@
size = (u16)((header & RX_STS_FL_) >> 16);
align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4;
+ if (unlikely(size > skb->len)) {
+ netif_dbg(dev, rx_err, dev->net,
+ "size err header=0x%08x\n", header);
+ return 0;
+ }
+
if (unlikely(header & RX_STS_ES_)) {
netif_dbg(dev, rx_err, dev->net,
"Error header=0x%08x\n", header);
--
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