diff options
author | WANG Cong <xiyou.wangcong@gmail.com> | 2017-05-09 16:59:54 -0700 |
---|---|---|
committer | Ben Hutchings <ben@decadent.org.uk> | 2017-06-05 21:17:25 +0100 |
commit | 53d48f98b800059504da76d12bf0074581aa0fe2 (patch) | |
tree | f2bafdd2b3df7a934414e39c101087b1f5bd5ffc | |
parent | 60e7579f4b71e2e8b252d2f1b3ef5ffb3b971a4e (diff) |
ipv6/dccp: do not inherit ipv6_mc_list from parent
commit 83eaddab4378db256d00d295bda6ca997cd13a52 upstream.
Like commit 657831ffc38e ("dccp/tcp: do not inherit mc_list from parent")
we should clear ipv6_mc_list etc. for IPv6 sockets too.
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
-rw-r--r-- | net/dccp/ipv6.c | 6 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index d45b974a27ad..0622f721eb2c 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -486,6 +486,9 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, newsk->sk_backlog_rcv = dccp_v4_do_rcv; newnp->pktoptions = NULL; newnp->opt = NULL; + newnp->ipv6_mc_list = NULL; + newnp->ipv6_ac_list = NULL; + newnp->ipv6_fl_list = NULL; newnp->mcast_oif = inet6_iif(skb); newnp->mcast_hops = ipv6_hdr(skb)->hop_limit; @@ -561,6 +564,9 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, /* Clone RX bits */ newnp->rxopt.all = np->rxopt.all; + newnp->ipv6_mc_list = NULL; + newnp->ipv6_ac_list = NULL; + newnp->ipv6_fl_list = NULL; /* Clone pktoptions received with SYN */ newnp->pktoptions = NULL; if (ireq->pktopts != NULL) { diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index c6c921d15de4..b5735b30667d 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1177,6 +1177,7 @@ static struct sock *tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, newtp->af_specific = &tcp_sock_ipv6_mapped_specific; #endif + newnp->ipv6_mc_list = NULL; newnp->ipv6_ac_list = NULL; newnp->ipv6_fl_list = NULL; newnp->pktoptions = NULL; @@ -1246,6 +1247,7 @@ static struct sock *tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, First: no IPv4 options. */ newinet->inet_opt = NULL; + newnp->ipv6_mc_list = NULL; newnp->ipv6_ac_list = NULL; newnp->ipv6_fl_list = NULL; |