From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB19DC282DD for ; Wed, 8 Jan 2020 15:59:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 97A852467D for ; Wed, 8 Jan 2020 15:59:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729307AbgAHP7Y (ORCPT ); Wed, 8 Jan 2020 10:59:24 -0500 Received: from mga11.intel.com ([192.55.52.93]:64327 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729289AbgAHP7W (ORCPT ); Wed, 8 Jan 2020 10:59:22 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Jan 2020 07:59:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,410,1571727600"; d="scan'208";a="395782691" Received: from xshen14-linux.bj.intel.com ([10.238.155.105]) by orsmga005.jf.intel.com with ESMTP; 08 Jan 2020 07:59:19 -0800 From: Xiaochen Shen To: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, tony.luck@intel.com, fenghua.yu@intel.com, reinette.chatre@intel.com Cc: x86@kernel.org, linux-kernel@vger.kernel.org, pei.p.jia@intel.com, xiaochen.shen@intel.com Subject: [PATCH 0/4] Fix use-after-free and deadlock issues Date: Thu, 9 Jan 2020 00:28:02 +0800 Message-Id: <1578500886-21771-1-git-send-email-xiaochen.shen@intel.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix several use-after-free and deadlock issues: (1) Fix use-after-free when deleting resource groups. (2) Fix use-after-free due to inaccurate refcount of rdtgroup. (3) Fix a deadlock due to inaccurate active reference of kernfs node. (4) Follow-up cleanup for the change in previous patch. Xiaochen Shen (4): x86/resctrl: Fix use-after-free when deleting resource groups x86/resctrl: Fix use-after-free due to inaccurate refcount of rdtgroup x86/resctrl: Fix a deadlock due to inaccurate active reference of kernfs node x86/resctrl: Clean up unused function parameter in mkdir path arch/x86/kernel/cpu/resctrl/rdtgroup.c | 48 ++++++++++++++++++---------------- 1 file changed, 25 insertions(+), 23 deletions(-) -- 1.8.3.1