This is a note to let you know that I've just added the patch titled
ipv6/dccp: do not inherit ipv6_mc_list from parent
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ipv6-dccp-do-not-inherit-ipv6_mc_list-from-parent.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Fri Jun 2 09:29:55 JST 2017
From: WANG Cong <xiyou.wangcong@xxxxxxxxx>
Date: Tue, 9 May 2017 16:59:54 -0700
Subject: ipv6/dccp: do not inherit ipv6_mc_list from parent
From: WANG Cong <xiyou.wangcong@xxxxxxxxx>
[ Upstream commit 83eaddab4378db256d00d295bda6ca997cd13a52 ]
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@xxxxxxxxxx>
Signed-off-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/dccp/ipv6.c | 6 ++++++
net/ipv6/tcp_ipv6.c | 2 ++
2 files changed, 8 insertions(+)
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -422,6 +422,9 @@ static struct sock *dccp_v6_request_recv
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;
@@ -486,6 +489,9 @@ static struct sock *dccp_v6_request_recv
/* Clone RX bits */
newnp->rxopt.all = np->rxopt.all;
+ newnp->ipv6_mc_list = NULL;
+ newnp->ipv6_ac_list = NULL;
+ newnp->ipv6_fl_list = NULL;
newnp->pktoptions = NULL;
newnp->opt = NULL;
newnp->mcast_oif = inet6_iif(skb);
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1033,6 +1033,7 @@ static struct sock *tcp_v6_syn_recv_sock
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;
@@ -1102,6 +1103,7 @@ static struct sock *tcp_v6_syn_recv_sock
First: no IPv4 options.
*/
newinet->inet_opt = NULL;
+ newnp->ipv6_mc_list = NULL;
newnp->ipv6_ac_list = NULL;
newnp->ipv6_fl_list = NULL;
Patches currently in stable-queue which might be from xiyou.wangcong@xxxxxxxxx are
queue-4.4/ipv6-dccp-do-not-inherit-ipv6_mc_list-from-parent.patch
queue-4.4/ipv4-add-reference-counting-to-metrics.patch