From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:44696 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760129AbbIWEgf (ORCPT ); Wed, 23 Sep 2015 00:36:35 -0400 Subject: Patch "arm64: kconfig: Move LIST_POISON to a safe value" has been added to the 4.2-stable tree To: jeffv@google.com, catalin.marinas@arm.com, gregkh@linuxfoundation.org, tstrudel@google.com, will.deacon@arm.com Cc: , From: Date: Tue, 22 Sep 2015 21:36:09 -0700 Message-ID: <144298296975104@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 arm64: kconfig: Move LIST_POISON to a safe value to the 4.2-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: arm64-kconfig-move-list_poison-to-a-safe-value.patch and it can be found in the queue-4.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From bf0c4e04732479f650ff59d1ee82de761c0071f0 Mon Sep 17 00:00:00 2001 From: Jeff Vander Stoep Date: Tue, 18 Aug 2015 20:50:10 +0100 Subject: arm64: kconfig: Move LIST_POISON to a safe value From: Jeff Vander Stoep commit bf0c4e04732479f650ff59d1ee82de761c0071f0 upstream. Move the poison pointer offset to 0xdead000000000000, a recognized value that is not mappable by user-space exploits. Acked-by: Catalin Marinas Signed-off-by: Thierry Strudel Signed-off-by: Jeff Vander Stoep Signed-off-by: Will Deacon Signed-off-by: Greg Kroah-Hartman --- arch/arm64/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -104,6 +104,10 @@ config NO_IOPORT_MAP config STACKTRACE_SUPPORT def_bool y +config ILLEGAL_POINTER_VALUE + hex + default 0xdead000000000000 + config LOCKDEP_SUPPORT def_bool y Patches currently in stable-queue which might be from jeffv@google.com are queue-4.2/arm64-kconfig-move-list_poison-to-a-safe-value.patch