Message ID | 20190809063835.6717-1-ppandit@redhat.com (mailing list archive) |
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Return-Path: <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> 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 04EBA746 for <patchwork-qemu-devel@patchwork.kernel.org>; Fri, 9 Aug 2019 06:41:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E3B4928C2A for <patchwork-qemu-devel@patchwork.kernel.org>; Fri, 9 Aug 2019 06:41:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D2F0B28C2D; Fri, 9 Aug 2019 06:41:32 +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,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 85DF928C2A for <patchwork-qemu-devel@patchwork.kernel.org>; Fri, 9 Aug 2019 06:41:32 +0000 (UTC) Received: from localhost ([::1]:56654 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org>) id 1hvyah-0004y7-IF for patchwork-qemu-devel@patchwork.kernel.org; Fri, 09 Aug 2019 02:41:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46791) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from <ppandit@redhat.com>) id 1hvya0-0004EA-8q for qemu-devel@nongnu.org; Fri, 09 Aug 2019 02:40:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <ppandit@redhat.com>) id 1hvyZz-0006i7-45 for qemu-devel@nongnu.org; Fri, 09 Aug 2019 02:40:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58240) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <ppandit@redhat.com>) id 1hvyZy-0006gq-Uu for qemu-devel@nongnu.org; Fri, 09 Aug 2019 02:40:47 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 400028E237; Fri, 9 Aug 2019 06:40:45 +0000 (UTC) Received: from localhost.localdomain (unknown [10.74.10.36]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1C2E319C70; Fri, 9 Aug 2019 06:40:38 +0000 (UTC) From: P J P <ppandit@redhat.com> To: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@redhat.com> Date: Fri, 9 Aug 2019 12:08:33 +0530 Message-Id: <20190809063835.6717-1-ppandit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Fri, 09 Aug 2019 06:40:45 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v3 0/2] scsi: lsi: break infinite loop after 10k instructions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Fam Zheng <fam@euphon.net>, Prasad J Pandit <pjp@fedoraproject.org>, Marcelo Tosatti <mtosatti@redhat.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, QEMU Developers <qemu-devel@nongnu.org>, Bugs SysSec <bugs-syssec@rub.de>, Paolo Bonzini <pbonzini@redhat.com>, Stefano Garzarella <sgarzare@redhat.com> Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> X-Virus-Scanned: ClamAV using ClamSMTP |
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scsi: lsi: break infinite loop after 10k instructions
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From: Prasad J Pandit <pjp@fedoraproject.org> Hello, While executing script, the LSI SCSI Adapter emulator could run into an infinite loop, if next instruction read by 's->dsp' index has an empty opcode. Raise an illegal instruction interrupt and exit the loop after 10k iterations. -> https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01427.html Thank you. -- Prasad J Pandit (2): scsi: lsi: exit infinite loop while executing script (CVE-2019-12068) scsi: lsi: use macro LSI_MAX_INSN instead of a magic number hw/scsi/lsi53c895a.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-)