1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index 9b49db144037..19be00ba6123 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -114,7 +114,9 @@ print_task(struct seq_file *m, struct rq *rq, struct task_struct *p)
         {
                 char path[64];
 
+                rcu_read_lock();
                 cgroup_path(task_group(p)->css.cgroup, path, sizeof(path));
+                rcu_read_unlock();
                 SEQ_printf(m, " %s", path);
         }
 #endif