diff options
Diffstat (limited to 'net/sctp')
| -rw-r--r-- | net/sctp/input.c | 2 | ||||
| -rw-r--r-- | net/sctp/sctp_diag.c | 4 | ||||
| -rw-r--r-- | net/sctp/socket.c | 4 |
3 files changed, 8 insertions, 2 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c index 92a07141fd07..34f10e75f3b9 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -421,7 +421,7 @@ void sctp_icmp_redirect(struct sock *sk, struct sctp_transport *t, { struct dst_entry *dst; - if (!t) + if (sock_owned_by_user(sk) || !t) return; dst = sctp_transport_dst_check(t); if (dst) diff --git a/net/sctp/sctp_diag.c b/net/sctp/sctp_diag.c index 22ed01a76b19..a72a7d925d46 100644 --- a/net/sctp/sctp_diag.c +++ b/net/sctp/sctp_diag.c @@ -463,6 +463,7 @@ static void sctp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb, .r = r, .net_admin = netlink_net_capable(cb->skb, CAP_NET_ADMIN), }; + int pos = cb->args[2]; /* eps hashtable dumps * args: @@ -493,7 +494,8 @@ skip: goto done; sctp_for_each_transport(sctp_sock_filter, sctp_sock_dump, - net, (int *)&cb->args[2], &commp); + net, &pos, &commp); + cb->args[2] = pos; done: cb->args[1] = cb->args[4]; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index d4730ada7f32..17841ab30798 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -4906,6 +4906,10 @@ int sctp_do_peeloff(struct sock *sk, sctp_assoc_t id, struct socket **sockp) struct socket *sock; int err = 0; + /* Do not peel off from one netns to another one. */ + if (!net_eq(current->nsproxy->net_ns, sock_net(sk))) + return -EINVAL; + if (!asoc) return -EINVAL; |
