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Commit fdcee2cb authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
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sctp: do not inherit ipv6_{mc|ac|fl}_list from parent 



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>
parent a3f96c47

net/sctp/ipv6.c

+3 −0
Original line number Diff line number Diff line
@@ -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);