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-rw-r--r--mm/kasan/quarantine.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c
index 3ba02efb952a..6958aa713c67 100644
--- a/mm/kasan/quarantine.c
+++ b/mm/kasan/quarantine.c
@@ -145,7 +145,10 @@ static void qlink_free(struct qlist_node *qlink, struct kmem_cache *cache)
void *object = qlink_to_object(qlink, cache);
struct kasan_free_meta *free_meta = kasan_get_free_meta(cache, object);
- kasan_release_object_meta(cache, object);
+ /*
+ * Note: Keep per-object metadata to allow KASAN print stack traces for
+ * use-after-free-before-realloc bugs.
+ */
/*
* If init_on_free is enabled and KASAN's free metadata is stored in