From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:41985 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751672AbbIOUno (ORCPT ); Tue, 15 Sep 2015 16:43:44 -0400 Subject: Patch "x86/ldt: Further fix FPU emulation" has been added to the 4.1-stable tree To: luto@kernel.org, gregkh@linuxfoundation.org, jgross@suse.com, torvalds@linux-foundation.org Cc: , From: Date: Tue, 15 Sep 2015 13:43:43 -0700 Message-ID: <14423498237926@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 x86/ldt: Further fix FPU emulation to the 4.1-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: x86-ldt-further-fix-fpu-emulation.patch and it can be found in the queue-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 12e244f4b550498bbaf654a52f93633f7dde2dc7 Mon Sep 17 00:00:00 2001 From: Andy Lutomirski Date: Fri, 14 Aug 2015 15:02:55 -0700 Subject: x86/ldt: Further fix FPU emulation From: Andy Lutomirski commit 12e244f4b550498bbaf654a52f93633f7dde2dc7 upstream. The previous fix confused a selector with a segment prefix. Fix it. Compile-tested only. Cc: Juergen Gross Reported-by: Linus Torvalds Fixes: 4809146b86c3 ("x86/ldt: Correct FPU emulation access to LDT") Signed-off-by: Andy Lutomirski Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- arch/x86/math-emu/get_address.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/math-emu/get_address.c +++ b/arch/x86/math-emu/get_address.c @@ -157,7 +157,7 @@ static long pm_address(u_char FPU_modrm, addr->selector = PM_REG_(segment); } - descriptor = FPU_get_ldt_descriptor(segment); + descriptor = FPU_get_ldt_descriptor(addr->selector); base_address = SEG_BASE_ADDR(descriptor); address = base_address + offset; limit = base_address Patches currently in stable-queue which might be from luto@kernel.org are queue-4.1/x86-ldt-correct-ldt-access-in-single-stepping-logic.patch queue-4.1/x86-ldt-correct-fpu-emulation-access-to-ldt.patch queue-4.1/x86-ldt-make-modify_ldt-synchronous.patch queue-4.1/x86-ldt-further-fix-fpu-emulation.patch