linux-kernel - Re: [PATCH] vt: Fix screen updates after CSI K sequences

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Message-ID: <nycvar.YSQ.7.76.1811031526550.1498@knanqh.ubzr>
Date:   Sat, 3 Nov 2018 15:30:59 -0400 (EDT)
From:   Nicolas Pitre <nicolas.pitre@...aro.org>
To:     Samuel Holland <samuel@...lland.org>
cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Adam Borowski <kilobyte@...band.pl>,
        Mike Frysinger <vapier@...omium.org>,
        Alexander Potapenko <glider@...gle.com>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] vt: Fix screen updates after CSI K sequences

On Sat, 3 Nov 2018, Samuel Holland wrote:

> In d8ae72427187, start was changed to point to the character under the
> cursor, instead of the beginning of the cleared area. The offset was
> correctly applied when clearing the backing buffer, but not when
> updating the framebuffer region. Fix this by having start point once
> again to the beginning of the cleared area.

There is already a slightly better fix submitted here:

https://lkml.org/lkml/2018/10/23/535


Nicolas