linux-kernel - Re: [PATCH] jbd2: Fix memory leak in journal_init

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Message-Id: <169470363118.1407074.7189148436884246673.b4-ty@mit.edu>
Date:   Thu, 14 Sep 2023 11:00:43 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     jack@...e.com, yi.zhang@...wei.com, Li Zetao <lizetao1@...wei.com>
Cc:     "Theodore Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] jbd2: Fix memory leak in journal_init_common()


On Mon, 11 Sep 2023 10:51:38 +0800, Li Zetao wrote:
> There is a memory leak reported by kmemleak:
> 
>   unreferenced object 0xff11000105903b80 (size 64):
>     comm "mount", pid 3382, jiffies 4295032021 (age 27.826s)
>     hex dump (first 32 bytes):
>       04 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00  ................
>       ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00  ................
>     backtrace:
>       [<ffffffffae86ac40>] __kmalloc_node+0x50/0x160
>       [<ffffffffaf2486d8>] crypto_alloc_tfmmem.isra.0+0x38/0x110
>       [<ffffffffaf2498e5>] crypto_create_tfm_node+0x85/0x2f0
>       [<ffffffffaf24a92c>] crypto_alloc_tfm_node+0xfc/0x210
>       [<ffffffffaedde777>] journal_init_common+0x727/0x1ad0
>       [<ffffffffaede1715>] jbd2_journal_init_inode+0x2b5/0x500
>       [<ffffffffaed786b5>] ext4_load_and_init_journal+0x255/0x2440
>       [<ffffffffaed8b423>] ext4_fill_super+0x8823/0xa330
>       ...
> 
> [...]

Applied, thanks!

[1/1] jbd2: Fix memory leak in journal_init_common()
      commit: 414f73db6ce825b7264cacb9407581b87da60aeb

Best regards,
-- 
Theodore Ts'o <tytso@....edu>