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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,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 5F05BC433FF for ; Wed, 7 Aug 2019 07:20:22 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3559B2199C for ; Wed, 7 Aug 2019 07:20:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SXLocmJ1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3559B2199C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=andestech.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=aHVfqjkhauYHvEPVxV7KasOHrPUyGYoLSh0AZ3B+5qA=; b=SXLocmJ1+HjlOf IuTDwbcBQLObH79kDGlxDrXtW7/1MoXb2vjIyTAvs+BvNyutbn7jwn56YgKNFqU4ELKtbspvNIpiS 2ahxRVdo38W9thj5o9/ZljyzQ1g2c+CiRq0Gju+SZpxhFFjdemGlqGvzUInv9gMA8qZP4zapUH9iF gsnEuSMw7Omz5xWktx+32IKsAIeWcUb6fz6TFjFCh7ZNydf+J6Xwyl75m7GuYCd+YbcuUhsmyTgGf RCvRn6clCH5RfDUcp9SgJBI6ON9vnBjvyee9Y86GwS3OezTV+VLRlMudOcoC4gONXzgkNKxxZlpXS tl9XINKFMhX/DeLFYczA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hvGFB-0004WT-5T; Wed, 07 Aug 2019 07:20:21 +0000 Received: from 59-120-53-16.hinet-ip.hinet.net ([59.120.53.16] helo=ATCSQR.andestech.com) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hvGF8-0004VR-28 for linux-riscv@lists.infradead.org; Wed, 07 Aug 2019 07:20:19 +0000 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: , , , , , , , , , , , , , , , , , 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 X-Originating-IP: [10.0.15.65] X-DNSRBL: X-MAIL: ATCSQR.andestech.com x7778Nlw027022 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190807_002018_366168_03AE212F X-CRM114-Status: UNSURE ( 6.35 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nick Hu Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv