diff --git a/kern/vm/kmalloc.c b/kern/vm/kmalloc.c
index b4c4f3a..f38dc37 100644
--- a/kern/vm/kmalloc.c
+++ b/kern/vm/kmalloc.c
@@ -994,12 +994,7 @@ subpage_kmalloc(size_t sz
 	prpage = alloc_kpages(1);
 	if (prpage==0) {
 		/* Out of memory. */
-		kprintf("kmalloc: Subpage allocator couldn't get a page\n");
-		static int already_printed = 0;
-		if(!already_printed) {
-			already_printed = 1;
-			secprintf(SECRET, "out of memory", "kmalloc");
-		}
+		silent("kmalloc: Subpage allocator couldn't get a page\n");
 		return NULL;
 	}
 	KASSERT(prpage % PAGE_SIZE == 0);
diff --git a/test161/commands/asst2.tc b/test161/commands/asst2.tc
index f1647cb..475fd28 100644
--- a/test161/commands/asst2.tc
+++ b/test161/commands/asst2.tc
@@ -22,9 +22,12 @@ templates:
     timesout: yes
     timeout: 15.0
     output:
-      - text: "kmalloc"
-        external: true
-        trusted: true
+      - text: "/testbin/forkbomb: SUCCESS"
+      - text: "/testbin/forkbomb: SUCCESS"
+      - text: "/testbin/forkbomb: SUCCESS"
+      - text: "/testbin/forkbomb: SUCCESS"
+      - text: "/testbin/forkbomb: SUCCESS"
+
   - name: kmalloc
     output:
       - text: "kmalloc: out of memory"
diff --git a/test161/tests/stability/forkbomb.t b/test161/tests/stability/forkbomb.t
index 63ec9ce..f20814c 100644
--- a/test161/tests/stability/forkbomb.t
+++ b/test161/tests/stability/forkbomb.t
@@ -6,5 +6,12 @@ sys161:
   ram: 2M
 monitor:
   progresstimeout: 40.0
+  user:
+    enablemin: true
+    min: 0.001
+    max: 1.0
+  kernel:
+    enablemin: true
+    min: 0.2
 ---
 p /testbin/forkbomb
diff --git a/userland/testbin/forkbomb/forkbomb.c b/userland/testbin/forkbomb/forkbomb.c
index 6db265b..f1c919c 100644
--- a/userland/testbin/forkbomb/forkbomb.c
+++ b/userland/testbin/forkbomb/forkbomb.c
@@ -49,6 +49,10 @@
 
 #include <unistd.h>
 #include <err.h>
+#include <time.h>
+#include <test161/test161.h>
+
+#define TEST_DURATION 10
 
 static volatile int pid;
 
@@ -57,9 +61,17 @@ main(void)
 {
 	int i;
 
+	time_t start_time_s, time_now_s;
+	unsigned long start_time_ns, time_now_ns;
+	__time(&start_time_s, &start_time_ns);
 	while (1) {
 		fork();
 
+		__time(&time_now_s, &time_now_ns);
+		if(time_now_s - start_time_s > TEST_DURATION) {
+			success(TEST161_SUCCESS, SECRET, "/testbin/forkbomb");
+		}
+
 		pid = getpid();
 
 		/* Make sure each fork has its own address space. */