linux-kernel - Re: [PATCH] ext4: Fix memory leak in ext4_ext_shift

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Message-ID: <176962347638.1138505.3045993165442370929.b4-ty@mit.edu>
Date: Wed, 28 Jan 2026 13:05:10 -0500
From: "Theodore Ts'o" <tytso@....edu>
To: Zilin Guan <zilin@....edu.cn>
Cc: "Theodore Ts'o" <tytso@....edu>, adilger.kernel@...ger.ca,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        jianhao.xu@....edu.cn
Subject: Re: [PATCH] ext4: Fix memory leak in ext4_ext_shift_extents()


On Thu, 25 Dec 2025 08:48:00 +0000, Zilin Guan wrote:
> In ext4_ext_shift_extents(), if the extent is NULL in the while loop, the
> function returns immediately without releasing the path obtained via
> ext4_find_extent(), leading to a memory leak.
> 
> Fix this by jumping to the out label to ensure the path is properly
> released.
> 
> [...]

Applied, thanks!

[1/1] ext4: Fix memory leak in ext4_ext_shift_extents()
      commit: ca81109d4a8f192dc1cbad4a1ee25246363c2833

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