[SCTP] bug: endianness problem in sctp_getsockopt_sctp_status()

Again, invalid sockaddr passed to userland - host-endiand sin_port.
Potential leak, again, but less dramatic than in previous case.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index f4d13ab..b6e038a 100644 (file)
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3217,8 +3217,8 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len,
        status.sstat_outstrms = asoc->c.sinit_num_ostreams;
        status.sstat_fragmentation_point = asoc->frag_point;
        status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc);
-       memcpy(&status.sstat_primary.spinfo_address,
-              &(transport->ipaddr), sizeof(union sctp_addr));
+       flip_to_n((union sctp_addr *)&status.sstat_primary.spinfo_address,
+              &transport->ipaddr);
        /* Map ipv4 address into v4-mapped-on-v6 address.  */
        sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
                (union sctp_addr *)&status.sstat_primary.spinfo_address);