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* Patch "ipv6/dccp: do not inherit ipv6_mc_list from parent" has been added to the 3.18-stable tree
@ 2017-11-21 14:24 gregkh
  0 siblings, 0 replies; only message in thread
From: gregkh @ 2017-11-21 14:24 UTC (permalink / raw)
  To: xiyou.wangcong, amit.pundir, connoro, davem, edumazet, gregkh
  Cc: stable, stable-commits


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 3.18-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-3.18 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 83eaddab4378db256d00d295bda6ca997cd13a52 Mon Sep 17 00:00:00 2001
From: WANG Cong <xiyou.wangcong@gmail.com>
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@gmail.com>

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>
Signed-off-by: Connor O'Brien <connoro@google.com>
[AmitP: cherry-picked this backported commit from android-3.18]
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/dccp/ipv6.c     |    7 +++++++
 net/ipv6/tcp_ipv6.c |    2 ++
 2 files changed, 9 insertions(+)

--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -487,6 +487,9 @@ 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;
 
@@ -562,6 +565,10 @@ 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;
+
 	/* Clone pktoptions received with SYN */
 	newnp->pktoptions = NULL;
 	if (ireq->pktopts != NULL) {
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1113,6 +1113,7 @@ 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;
@@ -1184,6 +1185,7 @@ 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@gmail.com are

queue-3.18/ipv6-dccp-do-not-inherit-ipv6_mc_list-from-parent.patch

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2017-11-21 14:24 Patch "ipv6/dccp: do not inherit ipv6_mc_list from parent" has been added to the 3.18-stable tree gregkh

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