From patchwork Wed Aug 7 07:19:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nick Hu X-Patchwork-Id: 11081227 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3400213B1 for ; Wed, 7 Aug 2019 07:20:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 039DF289E2 for ; Wed, 7 Aug 2019 07:20:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DBDA2289A2; Wed, 7 Aug 2019 07:20:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C0303289C9 for ; Wed, 7 Aug 2019 07:20:30 +0000 (UTC) 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-3v; 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 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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