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From: SeongJae Park <sj@kernel.org>
To: SeongJae Park <sj@kernel.org>
Cc: Jianglei Nie <niejianglei2021@163.com>,
	akpm@linux-foundation.org, damon@lists.linux.dev,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH] mm/damon/reclaim: fix potential memory leak in damon_reclaim_init()
Date: Thu, 14 Jul 2022 17:43:17 +0000	[thread overview]
Message-ID: <20220714174317.49994-1-sj@kernel.org> (raw)
In-Reply-To: <20220714164427.157184-1-sj@kernel.org>

Hello Jianglei,

On Thu, 14 Jul 2022 16:44:27 +0000 SeongJae Park <sj@kernel.org> wrote:

> Hello Jianglei,
> 
> On Thu, 14 Jul 2022 14:37:46 +0800 Jianglei Nie <niejianglei2021@163.com> wrote:
> 
> > damon_reclaim_init() allocates a memory chunk for ctx with
> > damon_new_ctx(). When damon_select_ops() fails, ctx is not released, which
> > will lead to a memory leak.

I realized this issue is also in DAMON_LRU_SORT, so posted a patch:
https://lore.kernel.org/damon/20220714170458.49727-1-sj@kernel.org/

I mistakenly forgot CC-ing you, so letting you know here.


Thanks,
SJ

  reply	other threads:[~2022-07-14 17:43 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-14  6:37 [PATCH] mm/damon/reclaim: fix potential memory leak in damon_reclaim_init() Jianglei Nie
2022-07-14 16:44 ` SeongJae Park
2022-07-14 17:43   ` SeongJae Park [this message]
  -- strict thread matches above, loose matches on Subject: below --
2022-07-24  6:52 Jianglei Nie
2022-07-24  7:18 ` Greg KH
2022-07-24 10:15   ` SeongJae Park

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