3.16.7-ckt26 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------
From: Ursula Braun <ursula.braun@xxxxxxxxxx>
commit 52a82e23b9f2a9e1d429c5207f8575784290d008 upstream.
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: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
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;
--
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