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-rw-r--r--net/iucv/af_iucv.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index ef50a94d3eb7..fc3598a922b0 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -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;