linux-ext4 - Re: Page fault in fs/ext4/namei.c: do_split when crafted image is mounted and operated

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Message-ID: <Ya0kOnJK11lWA7UE@mit.edu>
Date:   Sun, 5 Dec 2021 15:42:34 -0500
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Liu Wenqing <wenqingliu0120@...il.com>
Cc:     Andreas Dilger <adilger.kernel@...ger.ca>,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Page fault in fs/ext4/namei.c: do_split when crafted image is
 mounted and operated

On Sat, Dec 04, 2021 at 01:08:07PM -0500, Liu Wenqing wrote:
> 
> I have found a bug with our fuzzer, attached is the image, poc file and the
> .config file and the details are as follows.

Thanks for the report!  I've opened:

   https://bugzilla.kernel.org/show_bug.cgi?id=215227

to track this issue.

						- Ted