From nobody Wed May 8 18:19:59 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1499080612758216.19824589644668; Mon, 3 Jul 2017 04:16:52 -0700 (PDT) Received: from localhost ([::1]:34061 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dRzLT-0003rL-Nv for importer@patchew.org; Mon, 03 Jul 2017 07:16:47 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45769) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dRzKh-0003Zt-56 for qemu-devel@nongnu.org; Mon, 03 Jul 2017 07:16:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dRzKe-00063V-0L for qemu-devel@nongnu.org; Mon, 03 Jul 2017 07:15:59 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46384) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dRzKd-00062z-Qk for qemu-devel@nongnu.org; Mon, 03 Jul 2017 07:15:55 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A1DE54E05D; Mon, 3 Jul 2017 11:15:53 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-117-103.ams2.redhat.com [10.36.117.103]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8A27D51C6A; Mon, 3 Jul 2017 11:15:50 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 288A365B; Mon, 3 Jul 2017 13:15:49 +0200 (CEST) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com A1DE54E05D Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=kraxel@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com A1DE54E05D From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Mon, 3 Jul 2017 13:15:49 +0200 Message-Id: <20170703111549.10924-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Mon, 03 Jul 2017 11:15:53 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH] ehci: add sanity check for maxframes X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Gerd Hoffmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Reported-by: Peter Maydell Signed-off-by: Gerd Hoffmann Reviewed-by: Peter Maydell --- hw/usb/hcd-ehci.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index 73090e01ad..604912cb3e 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -2483,6 +2483,11 @@ void usb_ehci_realize(EHCIState *s, DeviceState *dev= , Error **errp) NB_PORTS); return; } + if (s->maxframes < 8 || s->maxframes > 512) { + error_setg(errp, "maxframes %d out if range (8 .. 512)", + s->maxframes); + return; + } =20 usb_bus_new(&s->bus, sizeof(s->bus), s->companion_enable ? &ehci_bus_ops_companion : &ehci_bus_ops_standalone, dev); --=20 2.9.3