kfence_obj_allocated
if (READ_ONCE(meta->cache) != s || !kfence_obj_allocated(meta))
in_use = meta->cache == s && kfence_obj_allocated(meta);
if (meta && kfence_obj_allocated(meta)) {
if (meta && kfence_obj_allocated(meta)) {
if (!kfence_obj_allocated(meta) || meta->addr != (unsigned long)addr) {
if (kfence_obj_allocated(meta))