linux-kernel - Re: [PATCH 1/2] mm/huge_memory: skip invalid debugfs file entry for folio split

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Message-Id: <20240425140126.2a62a5ec686813ee7deea658@linux-foundation.org>
Date: Thu, 25 Apr 2024 14:01:26 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Luis Chamberlain <mcgrof@...nel.org>
Cc: ziy@...dia.com, linux-mm@...ck.org, fstests@...r.kernel.org,
 linux-xfs@...r.kernel.org, linux-kernel@...r.kernel.org,
 willy@...radead.org, hare@...e.de, john.g.garry@...cle.com,
 p.raghav@...sung.com, da.gomez@...sung.com
Subject: Re: [PATCH 1/2] mm/huge_memory: skip invalid debugfs file entry for
 folio split

On Wed, 24 Apr 2024 15:54:48 -0700 Luis Chamberlain <mcgrof@...nel.org> wrote:

> If the file entry is too long we may easily end up going out of bounds
> and crash after strsep() on sscanf(). 
> 

Can you explain why?  I'm not seeing it.