Commit 52a82e23 authored by Ursula Braun's avatar Ursula Braun Committed by David S. Miller
Browse files

af_iucv: Validate socket address length in iucv_sock_bind() 



Signed-off-by: default avatarUrsula Braun <ursula.braun@de.ibm.com>
Reported-by: default avatarDmitry Vyukov <dvyukov@google.com>
Reviewed-by: default avatarEvgeny Cherkashin <Eugene.Crosser@ru.ibm.com>
Signed-off-by: default avatarDavid 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;