linux-kernel - Re: [PATCH v2] ext4: fix off by one issue in alloc_flex

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Message-ID: <172809600230.505638.16626414897244702690.b4-ty@mit.edu>
Date: Fri,  4 Oct 2024 22:40:36 -0400
From: "Theodore Ts'o" <tytso@....edu>
To: linux-ext4@...r.kernel.org, libaokun@...weicloud.com
Cc: "Theodore Ts'o" <tytso@....edu>, adilger.kernel@...ger.ca, jack@...e.cz,
        linux-kernel@...r.kernel.org, yi.zhang@...wei.com,
        yangerkun@...wei.com, Baokun Li <libaokun1@...wei.com>,
        Wesley Hershberger <wesley.hershberger@...onical.com>,
        Stéphane Graber <stgraber@...raber.org>,
        Eric Sandeen <sandeen@...hat.com>, stable@...r.kernel.org,
        Alexander Mikhalitsyn <alexander@...alicyn.com>
Subject: Re: [PATCH v2] ext4: fix off by one issue in alloc_flex_gd()


On Fri, 27 Sep 2024 21:33:29 +0800, libaokun@...weicloud.com wrote:
> Wesley reported an issue:
> 
> ==================================================================
> EXT4-fs (dm-5): resizing filesystem from 7168 to 786432 blocks
> ------------[ cut here ]------------
> kernel BUG at fs/ext4/resize.c:324!
> CPU: 9 UID: 0 PID: 3576 Comm: resize2fs Not tainted 6.11.0+ #27
> RIP: 0010:ext4_resize_fs+0x1212/0x12d0
> Call Trace:
>  __ext4_ioctl+0x4e0/0x1800
>  ext4_ioctl+0x12/0x20
>  __x64_sys_ioctl+0x99/0xd0
>  x64_sys_call+0x1206/0x20d0
>  do_syscall_64+0x72/0x110
>  entry_SYSCALL_64_after_hwframe+0x76/0x7e
> ==================================================================
> 
> [...]

Applied, thanks!

[1/1] ext4: fix off by one issue in alloc_flex_gd()
      commit: 6121258c2b33ceac3d21f6a221452692c465df88

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