From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:45468 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751348AbeBTLIf (ORCPT ); Tue, 20 Feb 2018 06:08:35 -0500 Subject: Patch "console/dummy: leave .con_font_get set to NULL" has been added to the 4.14-stable tree To: nicolas.pitre@linaro.org, b.zolnierkie@samsung.com, gregkh@linuxfoundation.org, nico@linaro.org Cc: , From: Date: Tue, 20 Feb 2018 12:08:34 +0100 Message-ID: <151912491443250@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 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 console/dummy: leave .con_font_get set to NULL to the 4.14-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: console-dummy-leave-.con_font_get-set-to-null.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 724ba8b30b044aa0d94b1cd374fc15806cdd6f18 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Mon, 15 Jan 2018 17:04:22 +0100 Subject: console/dummy: leave .con_font_get set to NULL From: Nicolas Pitre commit 724ba8b30b044aa0d94b1cd374fc15806cdd6f18 upstream. When this method is set, the caller expects struct console_font fields to be properly initialized when it returns. Leave it unset otherwise nonsensical (leaked kernel stack) values are returned to user space. Signed-off-by: Nicolas Pitre Cc: stable@vger.kernel.org Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Greg Kroah-Hartman --- drivers/video/console/dummycon.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/video/console/dummycon.c +++ b/drivers/video/console/dummycon.c @@ -67,7 +67,6 @@ const struct consw dummy_con = { .con_switch = DUMMY, .con_blank = DUMMY, .con_font_set = DUMMY, - .con_font_get = DUMMY, .con_font_default = DUMMY, .con_font_copy = DUMMY, }; Patches currently in stable-queue which might be from nicolas.pitre@linaro.org are queue-4.14/console-dummy-leave-.con_font_get-set-to-null.patch