From patchwork Fri Jun 29 15:56:24 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Williamson X-Patchwork-Id: 1132521 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 91EE9DFF34 for ; Fri, 29 Jun 2012 15:56:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932354Ab2F2P4e (ORCPT ); Fri, 29 Jun 2012 11:56:34 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43396 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932347Ab2F2P42 (ORCPT ); Fri, 29 Jun 2012 11:56:28 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q5TFuOdL031489 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 29 Jun 2012 11:56:24 -0400 Received: from bling.home (ovpn-113-149.phx2.redhat.com [10.3.113.149]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q5TFuOT1015883; Fri, 29 Jun 2012 11:56:24 -0400 From: Alex Williamson Subject: [PATCH v3 3/3] kvm: Sanitize KVM_IRQFD flags To: avi@redhat.com, mst@redhat.com Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, jan.kiszka@siemens.com, cornelia.huck@de.ibm.com Date: Fri, 29 Jun 2012 09:56:24 -0600 Message-ID: <20120629155622.30535.24831.stgit@bling.home> In-Reply-To: <20120629154940.30535.17132.stgit@bling.home> References: <20120629154940.30535.17132.stgit@bling.home> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org We only know of one so far. Signed-off-by: Alex Williamson --- virt/kvm/eventfd.c | 3 +++ 1 file changed, 3 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index c307c24..7d7e2aa 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -340,6 +340,9 @@ kvm_irqfd_deassign(struct kvm *kvm, struct kvm_irqfd *args) int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args) { + if (args->flags & ~KVM_IRQFD_FLAG_DEASSIGN) + return -EINVAL; + if (args->flags & KVM_IRQFD_FLAG_DEASSIGN) return kvm_irqfd_deassign(kvm, args);