linux-kernel - Re: [PATCH] x86, cpuinfo x86_model

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Message-ID: <CALCETrWeQ3McFeyggvV8p+N76gB1-=gYm9SDS4x5RcPb0r_sEg@mail.gmail.com>
Date:	Tue, 19 May 2015 11:44:41 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Borislav Petkov <bp@...en8.de>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Fenghua Yu <fenghua.yu@...el.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	Brian Gerst <brgerst@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Igor Mammedov <imammedo@...hat.com>,
	"the arch/x86 maintainers" <x86@...nel.org>,
	Prarit Bhargava <prarit@...hat.com>
Subject: Re: [PATCH] x86, cpuinfo x86_model_id whitespace cleanup

On May 19, 2015 11:13 AM, "Borislav Petkov" <bp@...en8.de> wrote:
>
> On Tue, May 19, 2015 at 01:25:59PM -0400, Brian Gerst wrote:
> > Using strlcpy in this manner could fail if it does larger than byte
> > copies and they overlap.
>
> Why?
>
> AFAICT, strlcpy() calls memcpy() and memcpy should handle overlapping
> buffers just fine.

Are you thinking of memmove?

--Andy
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