3.16.7-ckt26 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------ From: Ursula Braun <[email protected]> commit 52a82e23b9f2a9e1d429c5207f8575784290d008 upstream. Signed-off-by: Ursula Braun <[email protected]> Reported-by: Dmitry Vyukov <[email protected]> Reviewed-by: Evgeny Cherkashin <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Luis Henriques <[email protected]> --- 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 7a95fa4a3de1..f521848e26c7 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -709,6 +709,9 @@ 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;
