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Message-ID: <202310020948.DEFCF4F@keescook> Date: Mon, 2 Oct 2023 09:49:10 -0700 From: Kees Cook <keescook@...omium.org> To: Mark Brown <broonie@...nel.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 Mon, Oct 02, 2023 at 04:17:24PM +0100, Mark Brown 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()`. > > > > > > Applied to > > https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next > > Thanks! > > [1/1] ASoC: SOF: ipc4-topology: Use size_add() in call to struct_size() > commit: 3746284c233d5cf5f456400e61cd4a46a69c6e8c Thanks! I've dropped it from my tree. -Kees -- Kees Cook
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