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Date: Mon, 19 Oct 2026 13:48:02 +0200
From: gregkh <gregkh@linuxfoundation.org>
To: LI xiao <lixiao0@hdu.edu.cn>
Cc: jirislaby@kernel.org, linux-serial@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: serial: pch_uart: possible TX DMA use-after-free race
Message-ID: <2026101932-nibble-release-d627@gregkh>
References: <AGIADwBDLFAmWi-eqY4iK4oL.1.1792407296160.Hmail.252270051@hdu.edu.cn>
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On Mon, Oct 19, 2026 at 06:54:56PM +0800, LI xiao wrote:
> Hello,
> 
> I would like to report a possible race in the PCH UART TX DMA path that may lead to a use-after-free.

Great!  Can you please provide a patch to resolve this issue, as you
have a way to test it.

thanks,

greg k-h