diff --git a/kernel/padata.c b/kernel/padata.c
index fdcd78302cd72ec4d7f51160bc45403a119706f4..abedde4a8c1cd930f799d1b8bb4c5a281eebe6a5 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -341,8 +341,14 @@ static void padata_reorder(struct parallel_data *pd)
 	smp_mb();
 
 	reorder = per_cpu_ptr(pd->reorder_list, pd->cpu);
-	if (!list_empty(&reorder->list) && padata_find_next(pd, false))
+	if (!list_empty(&reorder->list) && padata_find_next(pd, false)) {
+		/*
+		 * Other context(eg. the padata_serial_worker) can finish the request.
+		 * To avoid UAF issue, add pd ref here, and put pd ref after reorder_work finish.
+		 */
+		padata_get_pd(pd);
 		queue_work(pinst->serial_wq, &pd->reorder_work);
+	}
 }
 
 static void invoke_padata_reorder(struct work_struct *work)
@@ -353,6 +359,8 @@ static void invoke_padata_reorder(struct work_struct *work)
 	pd = container_of(work, struct parallel_data, reorder_work);
 	padata_reorder(pd);
 	local_bh_enable();
+	/* Pairs with putting the reorder_work in the serial_wq */
+	padata_put_pd(pd);
 }
 
 static void padata_serial_worker(struct work_struct *serial_work)