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=-2.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=ham 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 5DB2EC7113B for ; Mon, 21 Jan 2019 12:09:11 +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 2DB9E20855 for ; Mon, 21 Jan 2019 12:09:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="sFQ2Hs9t" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2DB9E20855 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=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:In-Reply-To:MIME-Version:Date: Message-ID:References:To:Subject:From:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wYopBhP8nYLdJxqYmlJrJUHahbE+9zlvItvmalzWlmg=; b=sFQ2Hs9ta4WEQs IgWvIA4u9wtf8vLkg4uanMb1NgWxTik6WsQ5NWywymHmwmBkdB0j32pNDZds5687cpvaeNjbEtel0 UVg1g8DfKk2+XWdWApbb5pt/6MzgqLiO/DWKGFGDRULY3q67OUvnNvz5Sns3dZ1gveKgm6ic/96RH /gGBUUw3IAE/EpznGpBljm0WPXAGRjYu0/NN8R2fFJrA+Z6NXdoR/L4Or+XzXm17Uu2j99wvZ7Dns rlc7zig8s76KTV8r8zSDLgm16D7m88fdsqjQwIPGzIFRzEqRbmkmMoL14vITei1aUCox5cFdUg1Ws IdzVK4pJL2cUz6SD7ZDA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1glYO3-0004tw-Vs; Mon, 21 Jan 2019 12:09:07 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1glYO1-0004tB-3e for linux-arm-kernel@lists.infradead.org; Mon, 21 Jan 2019 12:09:06 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4ECEC80D; Mon, 21 Jan 2019 04:09:02 -0800 (PST) Received: from [10.1.196.105] (eglon.cambridge.arm.com [10.1.196.105]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 1B0D53F5C1; Mon, 21 Jan 2019 04:09:00 -0800 (PST) From: James Morse Subject: Re: [PATCH v2 3/4] arm64: kprobes: Move exception_text check in blacklist To: Masami Hiramatsu References: <154753341900.31541.8135985235882849464.stgit@devbox> <154753350520.31541.11995657762766497151.stgit@devbox> Message-ID: <47b290e9-0dcc-d9cd-3a7d-f6a4c4c3ca60@arm.com> Date: Mon, 21 Jan 2019 12:08:59 +0000 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <154753350520.31541.11995657762766497151.stgit@devbox> Content-Language: en-GB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190121_040905_212155_3BBFB634 X-CRM114-Status: GOOD ( 11.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Pratyush Anand , Catalin Marinas , Will Deacon , linux-kernel , "David A . Long" , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On 15/01/2019 06:25, Masami Hiramatsu wrote: > Move exception/irqentry text address check in blacklist, > since those are symbol based rejection. > > If we prohibit probing on the symbols in exception_text, > those should be blacklisted. We need to blacklist this as its where do_debug_exception() lives, which kprobes depends on for single-stepping. Reviewed-by: James Morse Thanks! James _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel