diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index 3404d076a8a3..727aa20be4bd 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -1417,6 +1417,8 @@ static int xsk_setsockopt(struct socket *sock, int level, int optname, struct xsk_queue **q; int entries; + if (optlen < sizeof(entries)) + return -EINVAL; if (copy_from_sockptr(&entries, optval, sizeof(entries))) return -EFAULT;