[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <1aed98e90fccdf78b6a26eac2ae8667bd1ed7685.camel@infradead.org>
Date: Wed, 03 Jul 2024 09:00:28 +0100
From: David Woodhouse <dwmw2@...radead.org>
To: Kees Cook <kees@...nel.org>
Cc: Simon Horman <horms@...nel.org>, Peter Hilber
<peter.hilber@...nsynergy.com>, linux-kernel@...r.kernel.org,
virtualization@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
linux-rtc@...r.kernel.org, "Ridoux, Julien" <ridouxj@...zon.com>,
virtio-dev@...ts.linux.dev, "Luu, Ryan" <rluu@...zon.com>, "Christopher S.
Hall" <christopher.s.hall@...el.com>, Jason Wang <jasowang@...hat.com>,
John Stultz <jstultz@...gle.com>, "Michael S. Tsirkin" <mst@...hat.com>,
netdev@...r.kernel.org, Richard Cochran <richardcochran@...il.com>, Stephen
Boyd <sboyd@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, Xuan Zhuo
<xuanzhuo@...ux.alibaba.com>, Marc Zyngier <maz@...nel.org>, Mark Rutland
<mark.rutland@....com>, Daniel Lezcano <daniel.lezcano@...aro.org>,
Alessandro Zummo <a.zummo@...ertech.it>, Alexandre Belloni
<alexandre.belloni@...tlin.com>, linux-hardening@...r.kernel.org
Subject: Re: [RFC PATCH v2] ptp: Add vDSO-style vmclock support
On Mon, 2024-07-01 at 08:39 -0700, Kees Cook wrote:
> On Mon, Jul 01, 2024 at 09:02:38AM +0100, David Woodhouse wrote:
> > On Sun, 2024-06-30 at 14:28 +0100, Simon Horman wrote:
> > >
> > > W=1 allmodconfig builds with gcc-13 flag the following.
> > > Reading the documentation of strncpy() in fortify-string.h,
> > > I wonder if strscpy() would be more appropriate in this case.
> >
> > It's never going to matter in practice, as the buffer is 32 bytes, so
> > "vmclock%d" would never get to the end even if was a 64-bit integer.
> >
> > But as a matter of hygiene and best practice, yes strscpy() would be
> > more appropriate. Fixed in git, thanks.
>
> Thanks! You can even use the 2-argument version. :)
2-argument version? ... oh, that's *special*. I don't know whether to
be impressed or disturbed. Perhaps a little bit of both.
Done; thanks.
Download attachment "smime.p7s" of type "application/pkcs7-signature" (5965 bytes)
Powered by blists - more mailing lists