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.
Change-Id: I53e641db11c2d8cecfd09bc0dbb4102fcc374bae
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>
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 91f4791..c4e4894 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -667,6 +667,9 @@
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;
/* Initialize sk's sport, dport, rcv_saddr and daddr for getsockname()
* and getpeername().