From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:52296 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752060AbcKIK0j (ORCPT ); Wed, 9 Nov 2016 05:26:39 -0500 Subject: Patch "tty: vt, fix bogus division in csi_J" has been added to the 4.4-stable tree To: jslaby@suse.cz, gregkh@linuxfoundation.org, ppisar@redhat.com Cc: , From: Date: Wed, 09 Nov 2016 11:26:41 +0100 Message-ID: <14786872014486@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled tty: vt, fix bogus division in csi_J to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: tty-vt-fix-bogus-division-in-csi_j.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 42acfc6615f47e465731c263bee0c799edb098f2 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 3 Oct 2016 11:00:17 +0200 Subject: tty: vt, fix bogus division in csi_J MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Jiri Slaby commit 42acfc6615f47e465731c263bee0c799edb098f2 upstream. In csi_J(3), the third parameter of scr_memsetw (vc_screenbuf_size) is divided by 2 inappropriatelly. But scr_memsetw expects size, not count, because it divides the size by 2 on its own before doing actual memset-by-words. So remove the bogus division. Signed-off-by: Jiri Slaby Cc: Petr Písař Fixes: f8df13e0a9 (tty: Clean console safely) Signed-off-by: Greg Kroah-Hartman --- drivers/tty/vt/vt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1178,7 +1178,7 @@ static void csi_J(struct vc_data *vc, in break; case 3: /* erase scroll-back buffer (and whole display) */ scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char, - vc->vc_screenbuf_size >> 1); + vc->vc_screenbuf_size); set_origin(vc); if (CON_IS_VISIBLE(vc)) update_screen(vc); Patches currently in stable-queue which might be from jslaby@suse.cz are queue-4.4/tty-vt-fix-bogus-division-in-csi_j.patch