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-rw-r--r--0001-sctp-do-not-inherit-ipv6_-mc-ac-fl-_list-from-parent.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/0001-sctp-do-not-inherit-ipv6_-mc-ac-fl-_list-from-parent.patch b/0001-sctp-do-not-inherit-ipv6_-mc-ac-fl-_list-from-parent.patch
new file mode 100644
index 000000000..8c4339f64
--- /dev/null
+++ b/0001-sctp-do-not-inherit-ipv6_-mc-ac-fl-_list-from-parent.patch
@@ -0,0 +1,33 @@
+From fdcee2cbb8438702ea1b328fb6e0ac5e9a40c7f8 Mon Sep 17 00:00:00 2001
+From: Eric Dumazet <edumazet@google.com>
+Date: Wed, 17 May 2017 07:16:40 -0700
+Subject: [PATCH] sctp: do not inherit ipv6_{mc|ac|fl}_list from parent
+
+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>
+---
+ net/sctp/ipv6.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
+index 142b70e..f5b45b8 100644
+--- a/net/sctp/ipv6.c
++++ b/net/sctp/ipv6.c
+@@ -677,6 +677,9 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
+ 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);
+--
+2.9.4
+