diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index 68120f679178..6d69ba29cfd7 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -6635,6 +6635,7 @@ static struct scx_sched *scx_alloc_and_add_sched(struct sched_ext_ops *ops,
 	rcu_assign_pointer(ops->priv, sch);
 
 	sch->kobj.kset = scx_kset;
+	INIT_LIST_HEAD(&sch->all);
 
 #ifdef CONFIG_EXT_SUB_SCHED
 	char *buf = kzalloc(PATH_MAX, GFP_KERNEL);