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Message-ID: <2025043019-cash-amicably-b5e1@gregkh>
Date: Wed, 30 Apr 2025 12:57:33 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Michal Hocko <mhocko@...e.com>
Cc: cve@...nel.org, linux-kernel@...r.kernel.org,
	linux-cve-announce@...r.kernel.org, Oleg Nesterov <oleg@...hat.com>
Subject: Re: CVE-2025-22029: exec: fix the racy usage of fs_struct->in_exec

On Wed, Apr 30, 2025 at 12:39:26PM +0200, Michal Hocko wrote:
> Based on a follow up update from Oleg[1] I would like to dispute this
> CVE.
> 
> TL;DR version
> : with or without this patch the "if (fs->in_exec)" check in copy_fs()
> : can obviously hit the 1 -> 0 transition.
> : 
> : This is harmless, but should be probably fixed just to avoid another report
> : from KCSAN.

What is the link to [1]?

thanks,

greg k-h

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