1 files changed, 3 insertions, 0 deletions

diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 9f60008740e3..9726fe684ab8 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -1130,6 +1130,9 @@ static int pep_sendmsg(struct kiocb *iocb, struct sock *sk,
         int flags = msg->msg_flags;
         int err, done;
 
+        if (len > USHRT_MAX)
+                return -EMSGSIZE;
+
         if ((msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_NOSIGNAL|
                                 MSG_CMSG_COMPAT)) ||
                         !(msg->msg_flags & MSG_EOR))