linux-kernel - Re: [PATCH] Clean console safely

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Message-ID: <1302705651.2768.21.camel@localhost>
Date:	Wed, 13 Apr 2011 17:40:51 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Petr Písař <ppisar@...hat.com>
Cc:	Greg Kroah-Hartman <gregkh@...e.de>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Clean console safely

On Wed, 2011-04-13 at 16:32 +0200, Petr Písař wrote:
> Traditional \E[2J sequence erases console display but scroll-back
> buffer and underlying device (frame) buffer keep data that can be
> accessed by scrolling console back.
> 
> This patch introduce new \E[J parameter 3 that allows to scramble
> scroll-back buffer explicitly. Session locking programs (screen,
> vlock) can use it to prevent attacker to browse locked console
> history.
> ---
>  drivers/tty/vt/vt.c |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)

You forgot to "Signed-off-by:" it.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)

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