linux-hardening - Re: [PATCH v2] mwl8k: Avoid memcpy() over-reading of mcs.rx

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Date:   Tue, 22 Jun 2021 15:24:10 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Andrew Lunn <andrew@...n.ch>, Kees Cook <keescook@...omium.org>,
        Lennert Buytenhek <buytenh@...tstofly.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Romain Perier <romain.perier@...il.com>,
        Allen Pais <allen.lkml@...il.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        wengjianfeng <wengjianfeng@...ong.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Lv Yunlong <lyl2019@...l.ustc.edu.cn>,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2] mwl8k: Avoid memcpy() over-reading of mcs.rx_mask

Kees Cook <keescook@...omium.org> wrote:

> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memcpy(), memmove(), and memset(), avoid
> intentionally reading across neighboring array fields. Use the
> sub-structure address directly.
> 
> Signed-off-by: Kees Cook <keescook@...omium.org>

Patch applied to wireless-drivers-next.git, thanks.

3f26f7665c5d mwl8k: Avoid memcpy() over-reading of mcs.rx_mask

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20210617041431.2168953-1-keescook@chromium.org/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches