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-rw-r--r--include/linux/kasan.h4
-rw-r--r--mm/kasan/kasan.c2
-rw-r--r--mm/kasan/quarantine.c1
-rw-r--r--mm/slab_common.c4
4 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index 820c0ad54a01..c908b25bf5a5 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -52,7 +52,7 @@ void kasan_free_pages(struct page *page, unsigned int order);
void kasan_cache_create(struct kmem_cache *cache, size_t *size,
unsigned long *flags);
void kasan_cache_shrink(struct kmem_cache *cache);
-void kasan_cache_destroy(struct kmem_cache *cache);
+void kasan_cache_shutdown(struct kmem_cache *cache);
void kasan_poison_slab(struct page *page);
void kasan_unpoison_object_data(struct kmem_cache *cache, void *object);
@@ -98,7 +98,7 @@ static inline void kasan_cache_create(struct kmem_cache *cache,
size_t *size,
unsigned long *flags) {}
static inline void kasan_cache_shrink(struct kmem_cache *cache) {}
-static inline void kasan_cache_destroy(struct kmem_cache *cache) {}
+static inline void kasan_cache_shutdown(struct kmem_cache *cache) {}
static inline void kasan_poison_slab(struct page *page) {}
static inline void kasan_unpoison_object_data(struct kmem_cache *cache,
diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c
index b2a0cff2bb35..25f0e6521f36 100644
--- a/mm/kasan/kasan.c
+++ b/mm/kasan/kasan.c
@@ -435,7 +435,7 @@ void kasan_cache_shrink(struct kmem_cache *cache)
quarantine_remove_cache(cache);
}
-void kasan_cache_destroy(struct kmem_cache *cache)
+void kasan_cache_shutdown(struct kmem_cache *cache)
{
quarantine_remove_cache(cache);
}
diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c
index dae929c02bbb..6f1ed1630873 100644
--- a/mm/kasan/quarantine.c
+++ b/mm/kasan/quarantine.c
@@ -274,6 +274,7 @@ static void per_cpu_remove_cache(void *arg)
qlist_free_all(&to_free, cache);
}
+/* Free all quarantined objects belonging to cache. */
void quarantine_remove_cache(struct kmem_cache *cache)
{
unsigned long flags, i;
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 23ff74e61838..09d0e849b07f 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -528,6 +528,9 @@ static void slab_caches_to_rcu_destroy_workfn(struct work_struct *work)
static int shutdown_cache(struct kmem_cache *s)
{
+ /* free asan quarantined objects */
+ kasan_cache_shutdown(s);
+
if (__kmem_cache_shutdown(s) != 0)
return -EBUSY;
@@ -816,7 +819,6 @@ void kmem_cache_destroy(struct kmem_cache *s)
get_online_cpus();
get_online_mems();
- kasan_cache_destroy(s);
mutex_lock(&slab_mutex);
s->refcount--;