* [PATCH net] sctp: do not inherit ipv6_{mc|ac|fl}_list from parent
@ 2017-05-17 14:16 Eric Dumazet
2017-05-18 14:24 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Eric Dumazet @ 2017-05-17 14:16 UTC (permalink / raw)
To: David Miller
Cc: netdev, Cong Wang, Andrey Konovalov, Vlad Yasevich, Neil Horman
From: Eric Dumazet <edumazet@google.com>
SCTP needs fixes similar to 83eaddab4378 ("ipv6/dccp: do not inherit
ipv6_mc_list from parent"), otherwise bad things can happen.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
---
net/sctp/ipv6.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 142b70e959af9142ce35b88749ad2160327c8267..f5b45b8b8b16e6965d24cd79b150828a608c2121 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -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);
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net] sctp: do not inherit ipv6_{mc|ac|fl}_list from parent
2017-05-17 14:16 [PATCH net] sctp: do not inherit ipv6_{mc|ac|fl}_list from parent Eric Dumazet
@ 2017-05-18 14:24 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2017-05-18 14:24 UTC (permalink / raw)
To: eric.dumazet; +Cc: netdev, xiyou.wangcong, andreyknvl, vyasevich, nhorman
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 17 May 2017 07:16:40 -0700
> From: Eric Dumazet <edumazet@google.com>
>
> SCTP needs fixes similar to 83eaddab4378 ("ipv6/dccp: do not inherit
> ipv6_mc_list from parent"), otherwise bad things can happen.
>
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Reported-by: Andrey Konovalov <andreyknvl@google.com>
> Tested-by: Andrey Konovalov <andreyknvl@google.com>
Applied and queued up for -stable, thanks.
^ permalink raw reply [flat|nested] 2+ messages in thread
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