diff --git a/code/Makefile b/code/Makefile
index 032002f48..7fe5f5305 100644
--- a/code/Makefile
+++ b/code/Makefile
@@ -1,8 +1,8 @@
 obj-m += lkm.o
 
-all: module
+all: module leak
 
-run: module leak.c
+run: leak
 	./leak
 
 module:
diff --git a/code/leak b/code/leak
new file mode 100755
index 000000000..5b779eb9d
Binary files /dev/null and b/code/leak differ
diff --git a/code/leak.c b/code/leak.c
index 790139222..914df923f 100644
--- a/code/leak.c
+++ b/code/leak.c
@@ -3,8 +3,11 @@
 int
 main(void)
 {
-	fopen("/dev/lkm", "r+");
+	printf("main: start\n");
+	FILE *device = fopen("/dev/lkm", "r+");
 
-	for (;;)
-		;
+	printf("main: fopen: %p\n", device);
+
+	fclose(device);
+	printf("main: done\n");
 }