From: Ursula Braun <ursula.braun@xxxxxxxxxx> This patch has been added to the 3.12 stable tree. If you have any objections, please let us know. =============== [ Upstream commit 52a82e23b9f2a9e1d429c5207f8575784290d008 ] Signed-off-by: Ursula Braun <ursula.braun@xxxxxxxxxx> Reported-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Reviewed-by: Evgeny Cherkashin <Eugene.Crosser@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Jiri Slaby <jslaby@xxxxxxx> --- net/iucv/af_iucv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 1465363a452b..bb3969a40b8e 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -697,6 +697,9 @@ static int iucv_sock_bind(struct socket *sock, struct sockaddr *addr, if (!addr || addr->sa_family != AF_IUCV) return -EINVAL; + if (addr_len < sizeof(struct sockaddr_iucv)) + return -EINVAL; + lock_sock(sk); if (sk->sk_state != IUCV_OPEN) { err = -EBADFD; -- 2.7.2 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html