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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 001DEC04AB4 for ; Fri, 17 May 2019 11:06:45 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C047820656 for ; Fri, 17 May 2019 11:06:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C047820656 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:46554 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRahI-0006FJ-SL for qemu-devel@archiver.kernel.org; Fri, 17 May 2019 07:06:44 -0400 Received: from eggs.gnu.org ([209.51.188.92]:52910) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRaIL-0000LP-Gq for qemu-devel@nongnu.org; Fri, 17 May 2019 06:40:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hRaIK-00034j-3S for qemu-devel@nongnu.org; Fri, 17 May 2019 06:40:57 -0400 Received: from indium.canonical.com ([91.189.90.7]:45286) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hRaIJ-00033o-Td for qemu-devel@nongnu.org; Fri, 17 May 2019 06:40:56 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1hRaIH-0001Su-O1 for ; Fri, 17 May 2019 10:40:53 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id B4C332E80C7 for ; Fri, 17 May 2019 10:40:53 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Fri, 17 May 2019 10:33:53 -0000 From: =?utf-8?q?Alex_Benn=C3=A9e?= To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=In Progress; importance=Undecided; assignee=None; X-Launchpad-Bug-Tags: mips testcase X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: jakub philmd X-Launchpad-Bug-Reporter: Jakub Jermar (jakub) X-Launchpad-Bug-Modifier: =?utf-8?q?Alex_Benn=C3=A9e_=28ajbennee=29?= References: <155557460746.17507.17649109204793492383.malonedeb@soybean.canonical.com> Message-Id: <155808923403.14518.16360837123007279773.launchpad@gac.canonical.com> X-Launchpad-Message-Rationale: Subscriber (QEMU) @qemu-devel-ml X-Launchpad-Message-For: qemu-devel-ml Precedence: bulk X-Generated-By: Launchpad (canonical.com); Revision="18962"; Instance="launchpad-lazr.conf" X-Launchpad-Hash: 7c76ef2aeaac275a85dc89ba18506f6a2ffdeda7 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 91.189.90.7 Subject: [Qemu-devel] [Bug 1825311] Re: mips_cpu_handle_mmu_fault renders all accessed pages executable X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Bug 1825311 <1825311@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" ** Tags added: testcase -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1825311 Title: mips_cpu_handle_mmu_fault renders all accessed pages executable Status in QEMU: In Progress Bug description: On MIPS, data accesses to pages mapped in the TLB result in mips_cpu_handle_mmu_fault() marking the page unconditionally executable, even if the TLB entry has the XI bit set. Later on, when there is an attempt to execute this page, no exception is generated, even though TLBXI is expected. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1825311/+subscriptions