linux-hardening - Re: [PATCH] firmware: coreboot: Check size of table entry and split memcpy

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Message-ID: <CAODwPW8kXZ107kMuVGya9Y=i+8QwQzQHokXCpybzMBjd_w_83w@mail.gmail.com>
Date:   Fri, 6 Jan 2023 16:03:35 +0100
From:   Julius Werner <jwerner@...omium.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Jack Rosenthal <jrosenth@...omium.org>,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Guenter Roeck <groeck@...omium.org>,
        Julius Werner <jwerner@...omium.org>,
        Brian Norris <briannorris@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] firmware: coreboot: Check size of table entry and split memcpy

Have you considered adding the flexible array member directly to the
union in struct coreboot_device instead? I think that would make this
a bit simpler by not having to copy header and data portion
separately.