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=-3.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 8E69AC4BA0A for ; Wed, 26 Feb 2020 06:28:32 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 3C76721556 for ; Wed, 26 Feb 2020 06:28:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=russell.cc header.i=@russell.cc header.b="vVBBZCHx"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="Ub7NgYU3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C76721556 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=russell.cc Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48S5Tp0GCKzDqKW for ; Wed, 26 Feb 2020 17:28:30 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=russell.cc (client-ip=64.147.123.21; helo=wout5-smtp.messagingengine.com; envelope-from=ruscur@russell.cc; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=russell.cc Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=russell.cc header.i=@russell.cc header.a=rsa-sha256 header.s=fm1 header.b=vVBBZCHx; dkim=pass (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.a=rsa-sha256 header.s=fm2 header.b=Ub7NgYU3; dkim-atps=neutral Received: from wout5-smtp.messagingengine.com (wout5-smtp.messagingengine.com [64.147.123.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 48S5PK4BrvzDqZ2 for ; Wed, 26 Feb 2020 17:24:36 +1100 (AEDT) Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.west.internal (Postfix) with ESMTP id 4F42959B; Wed, 26 Feb 2020 01:24:32 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Wed, 26 Feb 2020 01:24:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=russell.cc; h= from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; s=fm1; bh=x+/2idmAuI9HRwFz8DjPzZI/Dq qAF8SMUv2srieGbSk=; b=vVBBZCHxYM4sCRcDSXCykaS2dYYtu4Q5Cpm7kVmuSb i0SF5mLZo1JskE/5n+tWykldulh8Nzy9FR0lyuYRvVvqZiysxjf2eX+0DKC+pRIe aahOjKF87D0uC0ZDB7rRQPWBQ+bluY/XiM9MphjN+Bb990jMzc5+3sCVqD2nRAqW GIv/CJou715kDuE4JbT7wSx15qIx0fQQLeNBbyN0+0ffSZKoqMOu1iahA7h0zS4q /vzC9WEysCT35CV5sl71X8jaYUWTz2T7RPUWEQ9DwGFI4RU6CzApjvIoGQxbD9ey R874x6dE5SnCjxt2wSzRht76Rs8FKS2sariBgNdlYiUw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :message-id:mime-version:subject:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=x+/2idmAuI9HRwFz8 DjPzZI/DqqAF8SMUv2srieGbSk=; b=Ub7NgYU3nTNpP96Wvtby+X1cv2LrC2V9E Kosu3BdakRynuyc5VI6vFEXeERMOYUcmkJ8jNx6gC8kAZoeQKN7VZiS0OiZ9wyxJ iHL5saq+3ASiKn44pHA/NQ18xaJH2J8TOj9TSNQfOFrAOIF57ymxOda+pZE1E6SF CvPMPoXQB9rErqJ1Its6VLZyKSrpFemsMBNBhMnu1jtOd6GY+WmJuvcky38mjNnb R2ZzrKlUVVmc/zIVs1hrAe6v4GB2tGLcP7UXIZsZKOmpSeG+NPtKya5qPjDUkkBx bg1B0PPAW+FJIvLHN5d5NFZ0/dDjCQ7lspt5il8IoKYPD7vR8TQkQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedugedrleefgdeljecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecufghrlhcuvffnffculdduhedmnecujfgurhephffvuf ffkffoggfgsedtkeertdertddtnecuhfhrohhmpeftuhhsshgvlhhlucevuhhrrhgvhicu oehruhhstghurhesrhhushhsvghllhdrtggtqeenucffohhmrghinhepohiilhgrsghsrd horhhgnecukfhppeduvddvrdelledrkedvrddutdenucevlhhushhtvghrufhiiigvpedt necurfgrrhgrmhepmhgrihhlfhhrohhmpehruhhstghurhesrhhushhsvghllhdrtggt X-ME-Proxy: Received: from crackle.ozlabs.ibm.com (unknown [122.99.82.10]) by mail.messagingengine.com (Postfix) with ESMTPA id 0EF5D3060BD1; Wed, 26 Feb 2020 01:24:27 -0500 (EST) From: Russell Currey To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v4 0/8] set_memory() routines and STRICT_MODULE_RWX Date: Wed, 26 Feb 2020 17:23:55 +1100 Message-Id: <20200226062403.63790-1-ruscur@russell.cc> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ajd@linux.ibm.com, kernel-hardening@lists.openwall.com, npiggin@gmail.com, joel@jms.id.au, Russell Currey , dja@axtens.net Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Picking up from Christophe's last series, including the following changes: - [6/8] Cast "data" to unsigned long instead of int to fix build - [8/8] New, to fix an issue reported by Jordan Niethe Christophe's last series is here: https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=156428 Christophe Leroy (4): powerpc/mm: Implement set_memory() routines powerpc/kprobes: Mark newly allocated probes as RO powerpc/mm: implement set_memory_attr() powerpc/32: use set_memory_attr() Russell Currey (4): powerpc/mm/ptdump: debugfs handler for W+X checks at runtime powerpc: Set ARCH_HAS_STRICT_MODULE_RWX powerpc/configs: Enable STRICT_MODULE_RWX in skiroot_defconfig powerpc/mm: Disable set_memory() routines when strict RWX isn't enabled arch/powerpc/Kconfig | 2 + arch/powerpc/Kconfig.debug | 6 +- arch/powerpc/configs/skiroot_defconfig | 1 + arch/powerpc/include/asm/set_memory.h | 34 ++++++++ arch/powerpc/kernel/kprobes.c | 17 +++- arch/powerpc/mm/Makefile | 2 +- arch/powerpc/mm/pageattr.c | 112 +++++++++++++++++++++++++ arch/powerpc/mm/pgtable_32.c | 95 +++------------------ arch/powerpc/mm/ptdump/ptdump.c | 21 ++++- 9 files changed, 197 insertions(+), 93 deletions(-) create mode 100644 arch/powerpc/include/asm/set_memory.h create mode 100644 arch/powerpc/mm/pageattr.c -- 2.25.1