[SCTP] bug: sctp_assoc_lookup_laddr() is broken with ipv6.
It expects (and gets) laddr with net-endian sin_port. And then it calls
sctp_bind_addr_match(), which *does* care about port numbers in case of
ipv6 and expects them to be host-endian.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index a5d7abb..7639044 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1335,10 +1335,12 @@
const union sctp_addr *laddr)
{
int found;
+ union sctp_addr tmp;
+ flip_to_h(&tmp, laddr);
sctp_read_lock(&asoc->base.addr_lock);
if ((asoc->base.bind_addr.port == ntohs(laddr->v4.sin_port)) &&
- sctp_bind_addr_match(&asoc->base.bind_addr, laddr,
+ sctp_bind_addr_match(&asoc->base.bind_addr, &tmp,
sctp_sk(asoc->base.sk))) {
found = 1;
goto out;