Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ffa551de authored by Eric Dumazet's avatar Eric Dumazet Committed by Greg Kroah-Hartman
Browse files

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




[ Upstream commit fdcee2cbb8438702ea1b328fb6e0ac5e9a40c7f8 ]

SCTP needs fixes similar to 83eaddab4378 ("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 704e6c6b

net/sctp/ipv6.c

+3 −0
Original line number Diff line number Diff line
@@ -674,6 +674,9 @@ 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);