From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Williamson Subject: [PATCH v2 3/6] kvm: Sanitize KVM_IRQFD flags Date: Tue, 26 Jun 2012 23:09:32 -0600 Message-ID: <20120627050924.23698.65802.stgit@bling.home> References: <20120627044758.23698.249.stgit@bling.home> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, jan.kiszka@siemens.com To: avi@redhat.com, mst@redhat.com Return-path: In-Reply-To: <20120627044758.23698.249.stgit@bling.home> Sender: linux-kernel-owner@vger.kernel.org List-Id: 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(+) 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);