#syz test
diff --git a/mm/slab_common.c b/mm/slab_common.c
index d5a70a831a2a..73f4668d870d 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -1954,8 +1954,14 @@ void kvfree_call_rcu(struct rcu_head *head, void *ptr)
if (!head)
might_sleep();
- if (!IS_ENABLED(CONFIG_PREEMPT_RT) && kfree_rcu_sheaf(ptr))
+ if (!IS_ENABLED(CONFIG_PREEMPT_RT) && kfree_rcu_sheaf(ptr)) {
+ /*
+ * The object is now queued for deferred freeing via an RCU
+ * sheaf. Tell kmemleak to ignore it.
+ */
+ kmemleak_ignore(ptr);
return;
+ }
// Queue the object but don't yet schedule the batch.
if (debug_rcu_head_queue(ptr)) {
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