From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751799AbdCHI4a (ORCPT ); Wed, 8 Mar 2017 03:56:30 -0500 Received: from mga09.intel.com ([134.134.136.24]:13311 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750715AbdCHI42 (ORCPT ); Wed, 8 Mar 2017 03:56:28 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,262,1486454400"; d="scan'208";a="1139427324" From: Elena Reshetova To: darrick.wong@oracle.com Cc: linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, Elena Reshetova Subject: [PATCH 0/5] fs, xfs refcount conversions Date: Wed, 8 Mar 2017 10:53:34 +0200 Message-Id: <1488963219-11709-1-git-send-email-elena.reshetova@intel.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org v3: * fixed header file inclusion Now when new refcount_t type and API are finally merged (see include/linux/refcount.h), the following patches convert various refcounters in the xfs susystem from atomic_t to refcount_t. By doing this we prevent intentional or accidental underflows or overflows that can led to use-after-free vulnerabilities. Elena Reshetova (5): fs, xfs: convert xfs_bui_log_item.bui_refcount from atomic_t to refcount_t fs, xfs: convert xfs_efi_log_item.efi_refcount from atomic_t to refcount_t fs, xfs: convert xlog_ticket.t_ref from atomic_t to refcount_t fs, xfs: convert xfs_cui_log_item.cui_refcount from atomic_t to refcount_t fs, xfs: convert xfs_rui_log_item.rui_refcount from atomic_t to refcount_t fs/xfs/xfs_bmap_item.c | 4 ++-- fs/xfs/xfs_bmap_item.h | 2 +- fs/xfs/xfs_extfree_item.c | 4 ++-- fs/xfs/xfs_extfree_item.h | 2 +- fs/xfs/xfs_linux.h | 1 + fs/xfs/xfs_log.c | 10 +++++----- fs/xfs/xfs_log_priv.h | 2 +- fs/xfs/xfs_refcount_item.c | 4 ++-- fs/xfs/xfs_refcount_item.h | 2 +- fs/xfs/xfs_rmap_item.c | 4 ++-- fs/xfs/xfs_rmap_item.h | 2 +- 11 files changed, 19 insertions(+), 18 deletions(-) -- 2.7.4