kasan_rcu_info
struct kasan_rcu_info *fp =
container_of(rp, struct kasan_rcu_info, rcu);
((volatile struct kasan_rcu_info *)fp)->i;
struct kasan_rcu_info *ptr;
ptr = kmalloc_obj(struct kasan_rcu_info);
(struct kasan_rcu_info __rcu *)ptr, NULL);