--- x/kernel/cgroup/cgroup.c
+++ y/kernel/cgroup/cgroup.c
@@ -3267,7 +3267,6 @@ restart:
 			if (!css || !css_is_dying(css))
 				continue;
 
-			cgroup_get_live(dsct);
 			prepare_to_wait(&dsct->offline_waitq, &wait,
 					TASK_UNINTERRUPTIBLE);
 
@@ -3275,7 +3274,6 @@ restart:
 			schedule();
 			finish_wait(&dsct->offline_waitq, &wait);
 
-			cgroup_put(dsct);
 			goto restart;
 		}
 	}