Unverified Commit d946fcee authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!7329 tunnels: fix out of bounds access when building IPv6 PMTU error 

Merge Pull Request from: @ci-robot 
 
PR sync from: Guo Mengqi <guomengqi3@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/UFGB7X2JMX6KHMA53LVR666FC5BBVYUV/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9DNVF 
 
Link:https://gitee.com/openeuler/kernel/pulls/7329

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 3103e9ef 0317268f

net/ipv4/ip_tunnel_core.c

+1 −1
Original line number Diff line number Diff line
@@ -332,7 +332,7 @@ static int iptunnel_pmtud_build_icmpv6(struct sk_buff *skb, int mtu) 
	};

	skb_reset_network_header(skb);



	csum = csum_partial(icmp6h, len, 0);

	csum = skb_checksum(skb, skb_transport_offset(skb), len, 0);

	icmp6h->icmp6_cksum = csum_ipv6_magic(&nip6h->saddr, &nip6h->daddr, len,

					      IPPROTO_ICMPV6, csum);