linux-hardening - Re: [PATCH v4] EDAC/mc: Prefer strscpy over strcpy

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Message-ID: <20210827173633.GA3040@titan>
Date:   Fri, 27 Aug 2021 19:36:33 +0200
From:   Len Baker <len.baker@....com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Len Baker <len.baker@....com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Tony Luck <tony.luck@...el.com>,
        James Morse <james.morse@....com>,
        Robert Richter <rric@...nel.org>,
        Joe Perches <joe@...ches.com>,
        David Laight <David.Laight@...lab.com>,
        Kees Cook <keescook@...omium.org>,
        linux-hardening@...r.kernel.org, linux-edac@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] EDAC/mc: Prefer strscpy over strcpy

Hi,

On Tue, Aug 24, 2021 at 08:26:10PM +0200, Borislav Petkov wrote:
> On Tue, Aug 24, 2021 at 12:28:07PM +0200, Len Baker wrote:
> > This is a task of the KSPP [1] and the main reason is to clean up the
> > proliferation of str*cpy functions in the kernel.
>
> That I understood - you prominently explain where the patches stem from.
>
> What I can't parse is that formulation "previous step". What previous
> step do you mean?

Well, the main purpose is to clean up the proliferation of str*cpy functions.
One task is to remove the strcpy uses: The first step (previous step) would
be to remove all the strcpy uses. Then, as a second step remove all the
strcpy implementations.

I hope that this clarify your question.

Regards,
Len