From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:50246 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755621AbbFSTbC (ORCPT ); Fri, 19 Jun 2015 15:31:02 -0400 Subject: Patch "MIPS: KVM: Do not sign extend on unsigned MMIO load" has been added to the 4.0-stable tree To: hofrat@osadl.org, gleb@kernel.org, gregkh@linuxfoundation.org, james.hogan@imgtec.com, pbonzini@redhat.com, ralf@linux-mips.org Cc: , From: Date: Fri, 19 Jun 2015 12:31:01 -0700 Message-ID: <143474226122974@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 MIPS: KVM: Do not sign extend on unsigned MMIO load to the 4.0-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: mips-kvm-do-not-sign-extend-on-unsigned-mmio-load.patch and it can be found in the queue-4.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From ed9244e6c534612d2b5ae47feab2f55a0d4b4ced Mon Sep 17 00:00:00 2001 From: Nicholas Mc Guire Date: Thu, 7 May 2015 14:47:50 +0200 Subject: MIPS: KVM: Do not sign extend on unsigned MMIO load From: Nicholas Mc Guire commit ed9244e6c534612d2b5ae47feab2f55a0d4b4ced upstream. Fix possible unintended sign extension in unsigned MMIO loads by casting to uint16_t in the case of mmio_needed != 2. Signed-off-by: Nicholas Mc Guire Reviewed-by: James Hogan Tested-by: James Hogan Cc: Gleb Natapov Cc: Paolo Bonzini Cc: kvm@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/9985/ Signed-off-by: Ralf Baechle Signed-off-by: Greg Kroah-Hartman --- arch/mips/kvm/emulate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/mips/kvm/emulate.c +++ b/arch/mips/kvm/emulate.c @@ -2101,7 +2101,7 @@ enum emulation_result kvm_mips_complete_ if (vcpu->mmio_needed == 2) *gpr = *(int16_t *) run->mmio.data; else - *gpr = *(int16_t *) run->mmio.data; + *gpr = *(uint16_t *)run->mmio.data; break; case 1: Patches currently in stable-queue which might be from hofrat@osadl.org are queue-4.0/mips-kvm-do-not-sign-extend-on-unsigned-mmio-load.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in