linux-kernel - Re: [PATCH 0/2] mm/damon/paddr: Fix folio-use-after-put bugs

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Message-ID: <5b4fda7f-e448-c8e2-3e3c-c80de9b26da8@huawei.com>
Date:   Mon, 6 Mar 2023 10:04:43 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     SeongJae Park <sj@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
CC:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        "Vishal Moola (Oracle)" <vishal.moola@...il.com>,
        <damon@...ts.linux.dev>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] mm/damon/paddr: Fix folio-use-after-put bugs



On 2023/3/5 3:39, SeongJae Park wrote:
> There are two folio accesses after folio_put() in mm/damon/paddr.c file.
> Fix those.

I saw you send the bugfixes separately :)
> 
> SeongJae Park (2):
>    mm/damon/paddr: fix folio_size() call after folio_put() in
>      damon_pa_young()
>    mm/damon/paddr: fix folio_nr_pages() after folio_put() in
>      damon_pa_mark_accessed_or_deactivate()
> 
>   mm/damon/paddr.c | 5 ++---
>   1 file changed, 2 insertions(+), 3 deletions(-)
>