Re: [PATCH][next] dmaengine: stm32-mdma: Use struct_size() helper in devm_kzalloc()

Kees Cook
2021-09-30T18:00:54Z

On Wed, Sep 29, 2021 at 05:29:22PM -0500, Gustavo A. R. Silva wrote:
> Make use of the struct_size() helper instead of an open-coded version,
> in order to avoid any potential type mistakes or integer overflows that,
> in the worse scenario, could lead to heap overflows.
>
> Link: https://github.com/KSPP/linux/issues/160
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

Looks right to me.

Reviewed-by: Kees Cook <keescook@chromium.org>

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Kees Cook