Patch "sctp: do not inherit ipv6_{mc|ac|fl}_list from parent" has been added to the 4.4-stable tree

[<gregkh@linuxfoundation.org>]

This is a note to let you know that I've just added the patch titled

    sctp: do not inherit ipv6_{mc|ac|fl}_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:
     sctp-do-not-inherit-ipv6_-mc-ac-fl-_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@vger.kernel.org> know about it.


>From foo@baz Fri Jun  2 09:29:55 JST 2017
From: Eric Dumazet <edumazet@google.com>
Date: Wed, 17 May 2017 07:16:40 -0700
Subject: sctp: do not inherit ipv6_{mc|ac|fl}_list from parent

From: Eric Dumazet <edumazet@google.com>


[ Upstream commit fdcee2cbb8438702ea1b328fb6e0ac5e9a40c7f8 ]

SCTP needs fixes similar to 83eaddab4378 ("ipv6/dccp: do not inherit
ipv6_mc_list from parent"), otherwise bad things can happen.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/sctp/ipv6.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -674,6 +674,9 @@ static struct sock *sctp_v6_create_accep
 	newnp = inet6_sk(newsk);
 
 	memcpy(newnp, np, sizeof(struct ipv6_pinfo));
+	newnp->ipv6_mc_list = NULL;
+	newnp->ipv6_ac_list = NULL;
+	newnp->ipv6_fl_list = NULL;
 
 	rcu_read_lock();
 	opt = rcu_dereference(np->opt);


Patches currently in stable-queue which might be from edumazet@google.com are

queue-4.4/sctp-do-not-inherit-ipv6_-mc-ac-fl-_list-from-parent.patch
queue-4.4/tcp-avoid-fastopen-api-to-be-used-on-af_unspec.patch
queue-4.4/tcp-eliminate-negative-reordering-in-tcp_clean_rtx_queue.patch
queue-4.4/netem-fix-skb_orphan_partial.patch
queue-4.4/dccp-tcp-do-not-inherit-mc_list-from-parent.patch
queue-4.4/tcp-avoid-fragmenting-peculiar-skbs-in-sack.patch
queue-4.4/ipv6-dccp-do-not-inherit-ipv6_mc_list-from-parent.patch
queue-4.4/ipv6-fix-out-of-bound-writes-in-__ip6_append_data.patch
queue-4.4/ipv4-add-reference-counting-to-metrics.patch