linux-ext4 - Re: [PATCH] ext4: inline: fix len overflow in ext4_prepare_inline

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Message-ID: <174775151761.432196.4462280436120329643.b4-ty@mit.edu>
Date: Tue, 20 May 2025 10:40:12 -0400
From: "Theodore Ts'o" <tytso@....edu>
To: Andreas Dilger <adilger.kernel@...ger.ca>, Tao Ma <boyu.mt@...bao.com>,
        Jan Kara <jack@...e.com>,
        Thadeu Lima de Souza Cascardo <cascardo@...lia.com>
Cc: "Theodore Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-dev@...lia.com,
        syzbot+fe2a25dae02a207717a0@...kaller.appspotmail.com,
        stable@...r.kernel.org
Subject: Re: [PATCH] ext4: inline: fix len overflow in ext4_prepare_inline_data


On Tue, 15 Apr 2025 11:53:04 -0300, Thadeu Lima de Souza Cascardo wrote:
> When running the following code on an ext4 filesystem with inline_data
> feature enabled, it will lead to the bug below.
> 
>         fd = open("file1", O_RDWR | O_CREAT | O_TRUNC, 0666);
>         ftruncate(fd, 30);
>         pwrite(fd, "a", 1, (1UL << 40) + 5UL);
> 
> [...]

Applied, thanks!

[1/1] ext4: inline: fix len overflow in ext4_prepare_inline_data
      commit: 227cb4ca5a6502164f850d22aec3104d7888b270

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