From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/net/usb/smsc75xx.c | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/kernel/drivers/net/usb/smsc75xx.c b/kernel/drivers/net/usb/smsc75xx.c
index 378a12a..6310841 100644
--- a/kernel/drivers/net/usb/smsc75xx.c
+++ b/kernel/drivers/net/usb/smsc75xx.c
@@ -90,7 +90,9 @@
ret = fn(dev, USB_VENDOR_REQUEST_READ_REGISTER, USB_DIR_IN
| USB_TYPE_VENDOR | USB_RECIP_DEVICE,
0, index, &buf, 4);
- if (unlikely(ret < 0)) {
+ if (unlikely(ret < 4)) {
+ ret = ret < 0 ? ret : -ENODATA;
+
netdev_warn(dev->net, "Failed to read reg index 0x%08x: %d\n",
index, ret);
return ret;
@@ -2199,6 +2201,13 @@
size = (rx_cmd_a & RX_CMD_A_LEN) - RXW_PADDING;
align_count = (4 - ((size + RXW_PADDING) % 4)) % 4;
+ if (unlikely(size > skb->len)) {
+ netif_dbg(dev, rx_err, dev->net,
+ "size err rx_cmd_a=0x%08x\n",
+ rx_cmd_a);
+ return 0;
+ }
+
if (unlikely(rx_cmd_a & RX_CMD_A_RED)) {
netif_dbg(dev, rx_err, dev->net,
"Error rx_cmd_a=0x%08x\n", rx_cmd_a);
--
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