Commit 56fd34c6 authored by Eric Dumazet's avatar Eric Dumazet Committed by Greg Kroah-Hartman

sctp: do not inherit ipv6_{mc|ac|fl}_list from parent


[ Upstream commit fdcee2cb ]

SCTP needs fixes similar to 83eaddab ("ipv6/dccp: do not inherit
ipv6_mc_list from parent"), otherwise bad things can happen.
Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Reported-by: default avatarAndrey Konovalov <andreyknvl@google.com>
Tested-by: default avatarAndrey Konovalov <andreyknvl@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent dc03072a
...@@ -673,6 +673,9 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk, ...@@ -673,6 +673,9 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
newnp = inet6_sk(newsk); newnp = inet6_sk(newsk);
memcpy(newnp, np, sizeof(struct ipv6_pinfo)); 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(); rcu_read_lock();
opt = rcu_dereference(np->opt); opt = rcu_dereference(np->opt);
......
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