linux-kernel - Re: [PATCH] kconfig: Avoid buffer underrun in choice input

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Message-ID: <1303617721.3032.88.camel@localhost>
Date:	Sun, 24 Apr 2011 05:02:01 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Michal Marek <mmarek@...e.cz>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-kbuild@...r.kernel.org, Roman Zippel <zippel@...ux-m68k.org>
Subject: Re: [PATCH] kconfig: Avoid buffer underrun in choice input

On Sat, 2011-04-23 at 20:04 +0200, Sam Ravnborg wrote:
> On Sat, Apr 23, 2011 at 06:42:56PM +0100, Ben Hutchings wrote:
> > commit 40aee729b350672c2550640622416a855e27938f ('kconfig: fix default
> > value for choice input') fixed some cases where kconfig would select
> > the wrong option from a choice with a single valid option and thus
> > enter an infinite loop.
> > 
> > However, this broke the test for user input of the form 'N?', because
> > when kconfig selects the single valid option the input is zero-length
> > and the test will read the byte before the input buffer.  If this
> > happens to contain '?' (as it will in a mips build on Debian unstable
> > today) then kconfig again enters an infinite loop.
> > 
> > Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
> > Cc: stable@...nel.org [2.6.17+]
> > ---
> > Roman has failed to respond to this after 5 weeks and one reminder, so
> > please take it directly.
> 
> No-one has heard from Roman Zippel in several years.
> I have suggested Michal Marek to take over the maintainer
> role - as he in practice is the kconfig maintainer.

Can someone please update MAINTAINERS then?  What is the point of it if
people don't update it for years?

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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