linux-kernel - Re: strncat() misuse (was: Re: dm_attr_{name,uuid}_show buffer overflow? (was: Re: linux-next: Tree for January 5))

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Message-ID: <20090106021658.GQ5098@agk.fab.redhat.com>
Date:	Tue, 6 Jan 2009 02:16:58 +0000
From:	Alasdair G Kergon <agk@...hat.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Milan Broz <mbroz@...hat.com>,
	Jaya Kumar <jayakumar.video@...il.com>,
	Laurent Pinchart <laurent.pinchart@...net.be>,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Gene Sally <Gene.Sally@...esys.com>,
	Sam Ravnborg <sam@...nborg.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: strncat() misuse (was: Re: dm_attr_{name,uuid}_show buffer overflow? (was: Re: linux-next: Tree for January 5))

On Tue, Jan 06, 2009 at 01:27:59AM +0000, Alasdair G Kergon wrote:
> On Mon, Jan 05, 2009 at 11:18:38PM +0100, Geert Uytterhoeven wrote:
> > On Mon, 5 Jan 2009, Geert Uytterhoeven wrote:
> > > On Mon, 5 Jan 2009, Stephen Rothwell wrote:
> > > |         strncat(buf, "\n", DM_NAME_LEN);
> > > |         return strnlen(buf, DM_NAME_LEN);
 
I've edited the patch to use strcat and strlen.  

  http://git.kernel.org/?p=linux/kernel/git/agk/linux-2.6-dm.git;a=commit;h=911950f88bfd8a6747a1c6da5c5410641845bc64  

Alasdair
-- 
agk@...hat.com
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