From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom

---
 kernel/net/ipv6/exthdrs_core.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/net/ipv6/exthdrs_core.c b/kernel/net/ipv6/exthdrs_core.c
index da46c42..49e31e4 100644
--- a/kernel/net/ipv6/exthdrs_core.c
+++ b/kernel/net/ipv6/exthdrs_core.c
@@ -143,6 +143,8 @@
 			optlen = 1;
 			break;
 		default:
+			if (len < 2)
+				goto bad;
 			optlen = nh[offset + 1] + 2;
 			if (optlen > len)
 				goto bad;

--
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