From patchwork Wed Sep 11 14:36:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Durrant X-Patchwork-Id: 1161031 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=citrix.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=citrix.com header.i=@citrix.com header.b="E5OBRS1u"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 46T4Hy710Cz9sNF for ; Thu, 12 Sep 2019 00:37:50 +1000 (AEST) Received: from localhost ([::1]:51712 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i83ki-0000Ux-O1 for incoming@patchwork.ozlabs.org; Wed, 11 Sep 2019 10:37:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43787) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i83jN-0008RU-7b for qemu-devel@nongnu.org; Wed, 11 Sep 2019 10:36:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i83jM-0000nR-0C for qemu-devel@nongnu.org; Wed, 11 Sep 2019 10:36:24 -0400 Received: from esa2.hc3370-68.iphmx.com ([216.71.145.153]:1554) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i83jL-0000ma-MX for qemu-devel@nongnu.org; Wed, 11 Sep 2019 10:36:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1568212584; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=3XwCKMnGmyGT5kVTl3oKhIMv998hFroIhC3faxPFwXw=; b=E5OBRS1uQ9mUbsDsbpwT087KZDPe+FQEPrLkp+7sE8jpKhBEGtVKewpd LrCeHcv4raUQ/mEPh4/B5zevCzpg3coJEjTlRLswgRtLzehr8E8EYV4kS 4USQuCvUQe+Fx7rOUNnw/K/3CsNmL9r29Vydcqrsb+P+ddqYnT7XpmA6K s=; Authentication-Results: esa2.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=paul.durrant@citrix.com; spf=Pass smtp.mailfrom=Paul.Durrant@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: None (esa2.hc3370-68.iphmx.com: no sender authenticity information available from domain of paul.durrant@citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="Paul.Durrant@citrix.com"; x-sender="paul.durrant@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa2.hc3370-68.iphmx.com: domain of Paul.Durrant@citrix.com designates 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="Paul.Durrant@citrix.com"; x-sender="Paul.Durrant@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133 ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4 ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88 ip4:216.52.6.188 ip4:162.221.158.21 ip4:162.221.156.83 ~all" Received-SPF: None (esa2.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="Paul.Durrant@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: L6SAZik8xsVrNDnFj2N+Aya3BqFqrx0OO8jGxxDMlKLjWOvwhZMZrV+ST6V9vCSxeDiyddSsMX tpl1qJ2bNWIpBhWiioLvEoLlHDkp0mvwtpQ5930ny7O3V77gHgmeyeZHfyYPUijsHqK8d4i6yB jTXjjPoLJwIFzvJZ8j+niKM1N8cuQ3et8ck945S7EvkY+8a5I3QiwukQPkIEJWTN80BN88fp2e +QMqiuhbSmUeSdWMKzxlQSZibwwOWZOIJxTM4VS3wj8SAbGMKh8Y2KD4C4dgNpDq4FYeq12MZj aWg= X-SBRS: 2.7 X-MesageID: 5434109 X-Ironport-Server: esa2.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.64,493,1559534400"; d="scan'208";a="5434109" From: Paul Durrant To: , Date: Wed, 11 Sep 2019 15:36:15 +0100 Message-ID: <20190911143618.23477-1-paul.durrant@citrix.com> X-Mailer: git-send-email 2.20.1.2.gb21ebb6 MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x X-Received-From: 216.71.145.153 Subject: [Qemu-devel] [PATCH 0/3] xen: fix a potential crash in xen-bus X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anthony Perard , Paul Durrant , Stefano Stabellini Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This series fixes a potential segfault caused by NotifierList corruption in xen-bus. The first two patches lay the groundwork and the third actually fixes the problem. Paul Durrant (3): xen / notify: introduce a new XenWatchList abstraction xen: introduce separate XenWatchList for XenDevice objects xen: perform XenDevice clean-up in XenBus watch handler hw/xen/trace-events | 9 +- hw/xen/xen-bus.c | 266 ++++++++++++++++++++++++++++----------- include/hw/xen/xen-bus.h | 7 +- include/qemu/notify.h | 2 + util/notify.c | 5 + 5 files changed, 212 insertions(+), 77 deletions(-) --- Cc: Anthony Perard Cc: Stefano Stabellini