diff --git a/kernel/dma/map_benchmark.c b/kernel/dma/map_benchmark.c
index 02205ab53b7e93b2122fcfd3a4ab811fa2d97166..d0955ea67a1129a6583fdcc44d42600fe435e906 100644
--- a/kernel/dma/map_benchmark.c
+++ b/kernel/dma/map_benchmark.c
@@ -208,7 +208,8 @@ static long map_benchmark_ioctl(struct file *file, unsigned int cmd,
 		}
 
 		if (map->bparam.node != NUMA_NO_NODE &&
-		    !node_possible(map->bparam.node)) {
+		    (map->bparam.node < 0 || map->bparam.node >= MAX_NUMNODES ||
+		     !node_possible(map->bparam.node))) {
 			pr_err("invalid numa node\n");
 			return -EINVAL;
 		}