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

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
......@@ -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;
......
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