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34 lines
1.0 KiB
Diff
34 lines
1.0 KiB
Diff
From fdcee2cbb8438702ea1b328fb6e0ac5e9a40c7f8 Mon Sep 17 00:00:00 2001
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From: Eric Dumazet <edumazet@google.com>
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Date: Wed, 17 May 2017 07:16:40 -0700
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Subject: sctp: do not inherit ipv6_{mc|ac|fl}_list from parent
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SCTP needs fixes similar to 83eaddab4378 ("ipv6/dccp: do not inherit
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ipv6_mc_list from parent"), otherwise bad things can happen.
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Signed-off-by: Eric Dumazet <edumazet@google.com>
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Reported-by: Andrey Konovalov <andreyknvl@google.com>
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Tested-by: Andrey Konovalov <andreyknvl@google.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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net/sctp/ipv6.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
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index 142b70e..f5b45b8 100644
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--- a/net/sctp/ipv6.c
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+++ b/net/sctp/ipv6.c
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@@ -677,6 +677,9 @@ 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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--
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cgit v1.1
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