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 32003C19759 for ; Wed, 7 Aug 2019 07:49:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 11AD322BED for ; Wed, 7 Aug 2019 07:49:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387505AbfHGHtv (ORCPT ); Wed, 7 Aug 2019 03:49:51 -0400 Received: from 59-120-53-16.HINET-IP.hinet.net ([59.120.53.16]:39580 "EHLO ATCSQR.andestech.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2387476AbfHGHtu (ORCPT ); Wed, 7 Aug 2019 03:49:50 -0400 X-Greylist: delayed 1762 seconds by postgrey-1.27 at vger.kernel.org; Wed, 07 Aug 2019 03:49:50 EDT Received: from ATCSQR.andestech.com (localhost [127.0.0.2] (may be forged)) by ATCSQR.andestech.com with ESMTP id x7779Q7h027175 for ; Wed, 7 Aug 2019 15:09:26 +0800 (GMT-8) (envelope-from nickhu@andestech.com) Received: from mail.andestech.com (atcpcs16.andestech.com [10.0.1.222]) by ATCSQR.andestech.com with ESMTP id x7778Nlw027022; Wed, 7 Aug 2019 15:08:23 +0800 (GMT-8) (envelope-from nickhu@andestech.com) Received: from atcsqa06.andestech.com (10.0.15.65) by ATCPCS16.andestech.com (10.0.1.222) with Microsoft SMTP Server id 14.3.123.3; Wed, 7 Aug 2019 15:19:21 +0800 From: Nick Hu To: , , , , , , , , , , , , , , , , , CC: Nick Hu Subject: [PATCH 0/2] KASAN support for RISC-V Date: Wed, 7 Aug 2019 15:19:13 +0800 Message-ID: X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.0.15.65] X-DNSRBL: X-MAIL: ATCSQR.andestech.com x7778Nlw027022 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org KASAN is an important runtime memory debugging feature in linux kernel which can detect use-after-free and out-of- bounds problems. There are two patches in this letter: 1. Porting the memmove string operation. 2. Porting the feature KASAN. Nick Hu (2): riscv: Add memmove string operation. riscv: Add KASAN support arch/riscv/Kconfig | 2 + arch/riscv/include/asm/kasan.h | 26 +++++++++ arch/riscv/include/asm/pgtable-64.h | 5 ++ arch/riscv/include/asm/string.h | 10 ++++ arch/riscv/kernel/head.S | 3 + arch/riscv/kernel/riscv_ksyms.c | 4 ++ arch/riscv/kernel/setup.c | 9 +++ arch/riscv/kernel/vmlinux.lds.S | 1 + arch/riscv/lib/Makefile | 1 + arch/riscv/lib/memcpy.S | 5 +- arch/riscv/lib/memmove.S | 64 ++++++++++++++++++++++ arch/riscv/lib/memset.S | 5 +- arch/riscv/mm/Makefile | 6 ++ arch/riscv/mm/kasan_init.c | 102 +++++++++++++++++++++++++++++++++++ 14 files changed, 239 insertions(+), 4 deletions(-) create mode 100644 arch/riscv/include/asm/kasan.h create mode 100644 arch/riscv/lib/memmove.S create mode 100644 arch/riscv/mm/kasan_init.c