diff --git a/[refs] b/[refs]
index 9761533740ae..b595b6590ceb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dd9c086d9f507d02d5ba4d7c5eef4bb9518088b8
+refs/heads/master: c97847d2f0eb77c806e650e04d9bbcf79fa05730
diff --git a/trunk/kernel/events/core.c b/trunk/kernel/events/core.c
index 59412d037eed..7f0d67ea3f48 100644
--- a/trunk/kernel/events/core.c
+++ b/trunk/kernel/events/core.c
@@ -4737,7 +4737,8 @@ static void perf_event_mmap_event(struct perf_mmap_event *mmap_event)
 	} else {
 		if (arch_vma_name(mmap_event->vma)) {
 			name = strncpy(tmp, arch_vma_name(mmap_event->vma),
-				       sizeof(tmp));
+				       sizeof(tmp) - 1);
+			tmp[sizeof(tmp) - 1] = '\0';
 			goto got_name;
 		}