linux-kernel - Re: [PATCH 1/4] erofs: fix incorrect early exits for invalid metabox-enabled images

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Message-ID: <3ade0cad-2053-42e9-b340-2eb2f6066675@kernel.org>
Date: Thu, 22 Jan 2026 17:06:23 +0800
From: Chao Yu <chao@...nel.org>
To: Gao Xiang <hsiangkao@...ux.alibaba.com>, linux-erofs@...ts.ozlabs.org
Cc: chao@...nel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] erofs: fix incorrect early exits for invalid
 metabox-enabled images

On 12/29/2025 5:29 PM, Gao Xiang wrote:
> Crafted EROFS images with metadata compression enabled can trigger
> incorrect early returns, leading to folio reference leaks.
> 
> However, this does not cause system crashes or other severe issues.
> 

Will be better to add:

Cc: stable@...nel.org

> Fixes: 414091322c63 ("erofs: implement metadata compression")
> Signed-off-by: Gao Xiang <hsiangkao@...ux.alibaba.com>

Reviewed-by: Chao Yu <chao@...nel.org>

Thanks,