From patchwork Wed Oct 16 18:37:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 11193907 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9F47215AB for ; Wed, 16 Oct 2019 18:37:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 887162067D for ; Wed, 16 Oct 2019 18:37:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394278AbfJPSht (ORCPT ); Wed, 16 Oct 2019 14:37:49 -0400 Received: from mga07.intel.com ([134.134.136.100]:22394 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726776AbfJPShs (ORCPT ); Wed, 16 Oct 2019 14:37:48 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Oct 2019 11:37:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,304,1566889200"; d="scan'208";a="397258411" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.41]) by fmsmga006.fm.intel.com with ESMTP; 16 Oct 2019 11:37:46 -0700 From: Sean Christopherson To: Jarkko Sakkinen Cc: linux-sgx@vger.kernel.org Subject: [PATCH for_v23 v3 00/12] x86/sgx: Bug fixes for v23 Date: Wed, 16 Oct 2019 11:37:33 -0700 Message-Id: <20191016183745.8226-1-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Sender: linux-sgx-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sgx@vger.kernel.org As requested, the merge of the EPC and EADD bug fix series. The headliners are two critical bug fixes for a memory leak in sgx_encl_destroy() and a livelock due to the EPC page free count getting corrupted. Sean Christopherson (12): x86/sgx: Pass EADD the kernel's virtual address for the source page x86/sgx: Check the validity of the source page address for EADD x86/sgx: Fix EEXTEND error handling x86/sgx: Drop mmap_sem before EEXTENDing an enclave page x86/sgx: Remove redundant message from WARN on non-emtpy mm_list x86/sgx: Fix a memory leak in sgx_encl_destroy() x86/sgx: WARN on any non-zero return from __eremove() x86/sgx: WARN only once if EREMOVE fails x86/sgx: Split second half of sgx_free_page() to a separate helper x86/sgx: Use the post-reclaim variant of __sgx_free_page() x86/sgx: Don't update free page count if EPC section allocation fails x86/sgx: Reinstate per EPC section free page counts arch/x86/kernel/cpu/sgx/encl.c | 29 ++++++++++------- arch/x86/kernel/cpu/sgx/ioctl.c | 52 +++++++++++++++-------------- arch/x86/kernel/cpu/sgx/main.c | 54 ++++++++++++++++++++++--------- arch/x86/kernel/cpu/sgx/reclaim.c | 8 ++--- arch/x86/kernel/cpu/sgx/sgx.h | 19 ++++++++++- 5 files changed, 106 insertions(+), 56 deletions(-)