Received-SPF: pass (google.com: domain of linux-kernel+bounces-12257-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99;
Date: Wed, 27 Dec 2023 12:58:53 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Chengming Zhou <zhouchengming@bytedance.com>
Cc: Barry Song <21cnbao@gmail.com>, Seth Jennings <sjenning@redhat.com>,
 Johannes Weiner <hannes@cmpxchg.org>, Vitaly Wool
 <vitaly.wool@konsulko.com>, Nhat Pham <nphamcs@gmail.com>, Chris Li
 <chriscli@google.com>, Yosry Ahmed <yosryahmed@google.com>, Dan Streetman
 <ddstreet@ieee.org>, linux-kernel@vger.kernel.org, linux-mm@kvack.org,
 Chris Li <chrisl@kernel.org>
Subject: Re: [PATCH v4 1/6] mm/zswap: change dstmem size to one page
Message-Id: <20231227125853.2dd07cd61f8a8df95042677c@linux-foundation.org>
In-Reply-To: <af0a03d5-e536-41b7-9ab8-c5985794b7db@bytedance.com>
References: <20231213-zswap-dstmem-v4-0-f228b059dd89@bytedance.com>
	<20231213-zswap-dstmem-v4-1-f228b059dd89@bytedance.com>
	<CAGsJ_4wuTZcGurby9h4PU2DwFaiEKB4bxuycaeyz3bPw3jSX3A@mail.gmail.com>
	<af0a03d5-e536-41b7-9ab8-c5985794b7db@bytedance.com>
Precedence: bulk
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit

On Wed, 27 Dec 2023 14:11:06 +0800 Chengming Zhou <zhouchengming@bytedance.com> wrote:

> > i remember there was an over-compression case,  that means the compressed
> > data can be bigger than the source data. the similar thing is also done in zram
> > drivers/block/zram/zcomp.c
> 
> Right, there is a buffer overflow report[1] that I just +to you.

What does "[1]" refer to?  Is there a bug report about this series?