From 49d074f4009a7b5ce9c17b040f978abcb4d7f6f6 Mon Sep 17 00:00:00 2001 From: "Denis V. Lunev" Date: Wed, 4 Jun 2008 15:49:06 +0400 Subject: [PATCH] [IPV6]: Do not change protocol for raw IPv6 sockets. It is not allowed to change underlying protocol for int fd = socket(PF_INET6, SOCK_RAW, IPPROTO_UDP); Signed-off-by: Denis V. Lunev Signed-off-by: YOSHIFUJI Hideaki --- net/ipv6/ipv6_sockglue.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 3eef8e5b3636..1afe210d6286 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -161,6 +161,9 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, struct ipv6_txoptions *opt; struct sk_buff *pktopt; + if (sk->sk_type == SOCK_RAW) + break; + if (sk->sk_protocol != IPPROTO_UDP && sk->sk_protocol != IPPROTO_UDPLITE && sk->sk_protocol != IPPROTO_TCP) -- 2.39.2