Re: [PATCH][next] ASoC: SOF: ipc4-topology: Use size_add() in call to struct_size()

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On Sun, Oct 01, 2023 at 11:25:59AM +0100, Mark Brown wrote:
> 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?

Hi! Sorry, I can drop it if you want to take it? I tend to collect trivial
hardening changes with reviews that haven't been otherwise commented on
for at least 2 weeks.

-Kees

-- 
Kees Cook



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