diff --git a/[refs] b/[refs]
index fbf457750b26..34bb5cb152f2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0462b5664b2bda5a18fef7efb5bb32ce36590c1a
+refs/heads/master: 8433a40eb7f2c4883ad57f9900f63e4d59240eb7
diff --git a/trunk/kernel/trace/trace_events.c b/trunk/kernel/trace/trace_events.c
index 64ec4d278ffb..054bc1802bcd 100644
--- a/trunk/kernel/trace/trace_events.c
+++ b/trunk/kernel/trace/trace_events.c
@@ -503,6 +503,7 @@ event_filter_write(struct file *filp, const char __user *ubuf, size_t cnt,
 
 	if (copy_from_user(&buf, ubuf, cnt))
 		return -EFAULT;
+	buf[cnt] = '\0';
 
 	pred = kzalloc(sizeof(*pred), GFP_KERNEL);
 	if (!pred)
@@ -569,6 +570,7 @@ subsystem_filter_write(struct file *filp, const char __user *ubuf, size_t cnt,
 
 	if (copy_from_user(&buf, ubuf, cnt))
 		return -EFAULT;
+	buf[cnt] = '\0';
 
 	pred = kzalloc(sizeof(*pred), GFP_KERNEL);
 	if (!pred)