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Date: Sun, 1 Oct 2023 11:25:59 +0100
From: Mark Brown <broonie@...nel.org>
To: Kees Cook <keescook@...omium.org>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
	Bard Liao <yung-chuan.liao@...ux.intel.com>,
	Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
	Daniel Baluta <daniel.baluta@....com>,
	Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
	"Gustavo A. R. Silva" <gustavoars@...nel.org>,
	sound-open-firmware@...a-project.org, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] ASoC: SOF: ipc4-topology: Use size_add() in call
 to struct_size()

On Fri, Sep 29, 2023 at 12:14:59PM -0700, Kees Cook wrote:
> On Fri, 15 Sep 2023 13:09:11 -0600, Gustavo A. R. Silva wrote:

> > If, for any reason, the open-coded arithmetic causes a wraparound,
> > the protection that `struct_size()` adds against potential integer
> > overflows is defeated. Fix this by hardening call to `struct_size()`
> > with `size_add()`.

> [1/1] ASoC: SOF: ipc4-topology: Use size_add() in call to struct_size()
>       https://git.kernel.org/kees/c/93d2858dd630

Why is this bypassing the ASoC tree?

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