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: I4ab6f39f225bd9e68b54eaec023ad737bbc6c14a 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>
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@ -660,6 +660,9 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
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newnp = inet6_sk(newsk);
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memcpy(newnp, np, sizeof(struct ipv6_pinfo));
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newnp->ipv6_mc_list = NULL;
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newnp->ipv6_ac_list = NULL;
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newnp->ipv6_fl_list = NULL;
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rcu_read_lock();
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opt = rcu_dereference(np->opt);
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