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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,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 6ABB3CA9EAF for ; Mon, 28 Oct 2019 02:42:24 +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 2DE0A20663 for ; Mon, 28 Oct 2019 02:42:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Lzg11mfB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2DE0A20663 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=WaQfOWNquMF/Prhp/SPtrlr3FK1XpiZEp7dgs+g1Nes=; b=Lzg11mfBUTb1h7 nGp9yW0317Qz19fohhj282i/vxzHPaj0py/jTOrwbtrsLdo0GYtP5DYGO/T1OF3Z6CwoDt7xDB49P FVwVgoWRZjbk1TqnEyjfmrNHjZmR0n1Gi5D9o3JAxrqrxqwtPg0zBp7m9O45tS+g04/r1OJg5uNc1 dft/eBQczZ1dftrb3JVynkTlkeCL815cT4Lls/nUArapW/5Hf96n+coT5W4PLDzxdx0KKi0/p0UxH pWI4lkbgYzjtvxkJUWp4ihrUAHn00blld/fmRYQk+9pM+1sl0b3QRO2Cw7e0264lhmOe0jTfH+Qm/ gA+waWeEIQQ6R+AzFvGg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iOuz8-00073S-4d; Mon, 28 Oct 2019 02:42:22 +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 #3 (Red Hat Linux)) id 1iOuz1-0006rf-0E for linux-riscv@lists.infradead.org; Mon, 28 Oct 2019 02:42:17 +0000 Received: from mail.andestech.com (atcpcs16.andestech.com [10.0.1.222]) by ATCSQR.andestech.com with ESMTP id x9S2Ns1u087163; Mon, 28 Oct 2019 10:23:54 +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; Mon, 28 Oct 2019 10:41:22 +0800 From: Nick Hu To: , , , , , , , , , , , , , , , , , Subject: [PATCH v4 0/3] KASAN support for RISC-V Date: Mon, 28 Oct 2019 10:40:58 +0800 Message-ID: <20191028024101.26655-1-nickhu@andestech.com> X-Mailer: git-send-email 2.17.0 MIME-Version: 1.0 X-Originating-IP: [10.0.15.65] X-DNSRBL: X-MAIL: ATCSQR.andestech.com x9S2Ns1u087163 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191027_194215_347603_14EAE888 X-CRM114-Status: UNSURE ( 8.80 ) 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. Changes in v2: - Remove the porting of memmove and exclude the check instead. - Fix some code noted by Christoph Hellwig Changes in v3: - Update the KASAN documentation to mention that riscv is supported. Changes in v4: - Correct the commit log - Fix the bug reported by Greentime Hu Nick Hu (3): kasan: No KASAN's memmove check if archs don't have it. riscv: Add KASAN support kasan: Add riscv to KASAN documentation. Documentation/dev-tools/kasan.rst | 4 +- arch/riscv/Kconfig | 1 + arch/riscv/include/asm/kasan.h | 27 ++++++++ arch/riscv/include/asm/pgtable-64.h | 5 ++ arch/riscv/include/asm/string.h | 9 +++ arch/riscv/kernel/head.S | 3 + arch/riscv/kernel/riscv_ksyms.c | 2 + arch/riscv/kernel/setup.c | 5 ++ arch/riscv/kernel/vmlinux.lds.S | 1 + arch/riscv/lib/memcpy.S | 5 +- arch/riscv/lib/memset.S | 5 +- arch/riscv/mm/Makefile | 6 ++ arch/riscv/mm/kasan_init.c | 104 ++++++++++++++++++++++++++++ mm/kasan/common.c | 2 + 14 files changed, 173 insertions(+), 6 deletions(-) create mode 100644 arch/riscv/include/asm/kasan.h create mode 100644 arch/riscv/mm/kasan_init.c -- 2.17.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv