From: Matthew Wilcox <willy@infradead.org>
To: SeongJae Park <sj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
damon@lists.linux.dev, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH 1/2] mm/damon/paddr: fix folio_size() call after folio_put() in damon_pa_young()
Date: Sun, 5 Mar 2023 00:00:20 +0000 [thread overview]
Message-ID: <ZAPblL0G6JkekBtU@casper.infradead.org> (raw)
In-Reply-To: <20230304193949.296391-2-sj@kernel.org>
On Sat, Mar 04, 2023 at 07:39:48PM +0000, SeongJae Park wrote:
> damon_pa_young() is accessing a folio via folio_size() after folio_put()
> for the folio has invoked. Fix it.
>
> Fixes: 397b0c3a584b ("mm/damon/paddr: remove folio_sz field from damon_pa_access_chk_result")
> Cc: <stable@vger.kernel.org> # 6.3.x
> Signed-off-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
next prev parent reply other threads:[~2023-03-05 0:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-04 19:39 [PATCH 0/2] mm/damon/paddr: Fix folio-use-after-put bugs SeongJae Park
2023-03-04 19:39 ` [PATCH 1/2] mm/damon/paddr: fix folio_size() call after folio_put() in damon_pa_young() SeongJae Park
2023-03-05 0:00 ` Matthew Wilcox [this message]
2023-03-06 2:09 ` Kefeng Wang
2023-03-04 19:39 ` [PATCH 2/2] mm/damon/paddr: fix folio_nr_pages() after folio_put() in damon_pa_mark_accessed_or_deactivate() SeongJae Park
2023-03-05 0:00 ` Matthew Wilcox
2023-03-06 2:05 ` Kefeng Wang
2023-03-06 2:04 ` [PATCH 0/2] mm/damon/paddr: Fix folio-use-after-put bugs Kefeng Wang
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