linux-kernel - Re: [PATCH v2] char: xillybus: Prevent use-after-free due to race condition

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Message-ID: <100ff22d-8aab-e07a-9aba-0608a05e02a6@gmail.com>
Date:   Sun, 13 Nov 2022 13:36:08 +0200
From:   Eli Billauer <eli.billauer@...il.com>
To:     Hyunwoo Kim <imv4bel@...il.com>
Cc:     gregkh@...uxfoundation.org, arnd@...db.de,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        stern@...land.harvard.edu
Subject: Re: [PATCH v2] char: xillybus: Prevent use-after-free due to race
 condition

On 13/11/2022 11:14, Hyunwoo Kim wrote:
> 
> It seems that you only need to move the location of unit_mutex
> in xillybus_find_inode().
> 

Agreed. I'll prepare a follow-up patch to fix this issue as well.

Thanks a lot for drawing my attention to this.

   Eli