linux-hardening - Re: [PATCH] orinoco: Avoid field-overflowing memcpy()

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Date:   Tue, 22 Jun 2021 15:23:47 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Kees Cook <keescook@...omium.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, linux-kernel@...r.kernel.org,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH] orinoco: Avoid field-overflowing memcpy()

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 writing across neighboring array fields.
> 
> Validate the expected key size and introduce a wrapping structure
> to use as the multi-field memcpy() destination so that overflows
> can be correctly detected.
> 
> Signed-off-by: Kees Cook <keescook@...omium.org>

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

70ca8441ebfc orinoco: Avoid field-overflowing memcpy()

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20210616203952.1248910-1-keescook@chromium.org/

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