#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)) {
diff --git a/mm/slub.c b/mm/slub.c
index 20cb4f3b636d..2f2228d3e8b2 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2776,6 +2776,7 @@ static struct slab_sheaf *__alloc_empty_sheaf(struct
kmem_cache *s, gfp_t gfp,
sheaf->cache = s;
stat(s, SHEAF_ALLOC);
+ kmemleak_ignore(sheaf);
return sheaf;
}
@@ -7538,6 +7539,7 @@ static void early_kmem_cache_node_alloc(int node)
slab->freelist = get_freepointer(kmem_cache_node, n);
slab->inuse = 1;
kmem_cache_node->node[node] = n;
+ kmemleak_alloc(n, kmem_cache_node->object_size, 1, GFP_NOWAIT);
init_kmem_cache_node(n, NULL);
inc_slabs_node(kmem_cache_node, node, slab->objects);
base-commit: c23719abc3308df7ed3ad35650ad211fb2d2003d
--
2.43.0
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