diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 684fa6f50aa595acec69e90984d4f9e98e038bb4..0048aec9186c123135b478ca523b2b6927c8afc7 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -1765,7 +1765,13 @@ int sched_cluster_handler(struct ctl_table *table, int write,
 	ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
 	if (!ret && write) {
 		if (oldval != sysctl_sched_cluster) {
+			/*
+			 * Here may have raced with partition_sched_domains_locked,
+			 * it needs to be protected with sched_domains_mutex.
+			 */
+			mutex_lock(&sched_domains_mutex);
 			set_sched_cluster();
+			mutex_unlock(&sched_domains_mutex);
 			arch_rebuild_cpu_topology();
 		}
 	}