Commit 52a82e23 authored Jan 19, 2016 by Ursula Braun Committed by David S. Miller Jan 19, 2016

af_iucv: Validate socket address length in iucv_sock_bind()



Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Evgeny Cherkashin <Eugene.Crosser@ru.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent ed0dfffd

net/iucv/af_iucv.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -708,6 +708,9 @@ 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;