linux-kernel - Re: [PATCH] Fix VIDIOCGAP corruption in ivtv

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Message-ID: <20080423143454.0d50b209@gaivota>
Date:	Wed, 23 Apr 2008 14:34:54 -0300
From:	Mauro Carvalho Chehab <mchehab@...radead.org>
To:	Michael Krufky <mkrufky@...uxtv.org>
Cc:	Hans Verkuil <hverkuil@...all.nl>, video4linux-list@...hat.com,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-kernel@...r.kernel.org, ivtv-devel@...vdriver.org,
	Frank Bennett <biercenator@...il.com>
Subject: Re: [PATCH] Fix VIDIOCGAP corruption in ivtv

On Sun, 20 Apr 2008 12:10:00 -0400
Michael Krufky <mkrufky@...uxtv.org> wrote:

> Hans Verkuil wrote:
> > On Sunday 20 April 2008 13:27:36 Alan Cox wrote:
> >   
> >> Frank Bennett reported that ivtv was causing skype to crash. With
> >> help from one of their developers he showed it was a kernel problem.
> >> VIDIOCGCAP copies a name into a fixed length buffer - ivtv uses names
> >> that are too long and does not truncate them so corrupts a few bytes
> >> of the app data area.
> >>
> >> Possibly the names also want trimming but for now this should fix the
> >> corruption case.
> >>     
> >
> > Ouch, nasty one.
> >
> > Mauro, can you apply this patch to the v4l-dvb master?
> >
> > Mike, this one should obviously go into a 2.6.25 dot-release, and I 
> > think also to a 2.6.24 dot-release.
> >
> > Frank, thank you for reporting this!
> >
> > 	Hans
> >
> > Signed-off-by: Hans Verkuil <hverkuil@...all.nl>
> >   
> 
> Signed-off-by: Michael Krufky <mkrufky@...uxtv.org>

In this case, it should be reviewed-by.

I should be sending this soon to Linus.

Cheers,
Mauro
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