From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Len Baker <len.baker@gmx.com>
Cc: Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Magnus Damm <magnus.damm@gmail.com>,
Santosh Shilimkar <ssantosh@kernel.org>,
Kees Cook <keescook@chromium.org>,
David Laight <David.Laight@aculab.com>,
Robin Murphy <robin.murphy@arm.com>,
linux-hardening@vger.kernel.org,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v4 2/3] drivers/soc/renesas: Prefer memcpy over strcpy
Date: Wed, 11 Aug 2021 11:38:14 +0200 [thread overview]
Message-ID: <CAMuHMdV7ZM9oZG-KU4Ap+H4YehnyGoZn+jsdiJ20GwMFNh+6uQ@mail.gmail.com> (raw)
In-Reply-To: <20210808125012.4715-3-len.baker@gmx.com>
On Sun, Aug 8, 2021 at 4:50 PM Len Baker <len.baker@gmx.com> wrote:
> strcpy() performs no bounds checking on the destination buffer. This
> could result in linear overflows beyond the end of the buffer, leading
> to all kinds of misbehaviors. So, use memcpy() as a safe replacement.
>
> This is a previous step in the path to remove the strcpy() function
> entirely from the kernel.
>
> Signed-off-by: Len Baker <len.baker@gmx.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v5.15.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2021-08-11 9:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-08 12:50 [PATCH v4 0/3] drivers/soc: Remove all strcpy() uses Len Baker
2021-08-08 12:50 ` [PATCH v4 1/3] drivers/soc/qcom: Prefer strscpy over strcpy Len Baker
2021-08-08 12:50 ` [PATCH v4 2/3] drivers/soc/renesas: Prefer memcpy " Len Baker
2021-08-08 15:35 ` Bernd Petrovitsch
2021-08-08 17:06 ` Christophe JAILLET
2021-08-10 15:59 ` Len Baker
2021-08-11 9:38 ` Geert Uytterhoeven [this message]
2021-08-08 12:50 ` [PATCH v4 3/3] drivers/soc/ti: Prefer strscpy " Len Baker
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