diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index 691841dc6d334476cdf61c6cfcad717f3c44284d..a6c8743d9e1fff41fbf43eb6c8c9199508cdd4d6 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -890,6 +890,8 @@ 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;