diff options
author | Eric Dumazet <edumazet@google.com> | 2017-05-17 17:16:40 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-07 13:01:51 +0300 |
commit | 56fd34c68676131cce13b0031990e49e80d3ee99 (patch) | |
tree | fbae9190d89d2d494dd6edf4bb9da4a26ce89df0 | |
parent | dc03072a830bc804631ae4024a21fa06607d8906 (diff) | |
download | linux-56fd34c68676131cce13b0031990e49e80d3ee99.tar.xz |
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: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | net/sctp/ipv6.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 1c22f6f45587..fbf771e7e7aa 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -673,6 +673,9 @@ 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); |