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Message-Id: <169601489953.3012131.13922425518082792309.b4-ty@chromium.org>
Date: Fri, 29 Sep 2023 12:14:59 -0700
From: Kees Cook <keescook@...omium.org>
To: 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>,
Mark Brown <broonie@...nel.org>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
"Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: Kees Cook <keescook@...omium.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, 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()`.
>
>
Applied to for-next/hardening, thanks!
[1/1] ASoC: SOF: ipc4-topology: Use size_add() in call to struct_size()
https://git.kernel.org/kees/c/93d2858dd630
Take care,
--
Kees Cook
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