diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c
index 265ca2bbe2dd..782e045da911 100644
--- a/mm/kasan/quarantine.c
+++ b/mm/kasan/quarantine.c
@@ -157,7 +157,7 @@ static void qlink_free(struct qlist_node *qlink, struct kmem_cache *cache)
 	if (free_meta &&
 	    *(u8 *)kasan_mem_to_shadow(object) == KASAN_SLAB_FREETRACK) {
 		stack_depot_put(free_meta->free_track.stack);
-		free_meta->free_track.stack = 0;
+		__memset(&free_meta->free_track, 0, sizeof(free_meta->free_track));
 	}
 
 	/*