From patchwork Wed Apr 20 09:24:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 12819983 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A8287C433F5 for ; Wed, 20 Apr 2022 09:25:42 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.309043.525081 (Exim 4.92) (envelope-from ) id 1nh6aa-0004AO-PG; Wed, 20 Apr 2022 09:25:32 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 309043.525081; Wed, 20 Apr 2022 09:25:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nh6aa-0004AH-MC; Wed, 20 Apr 2022 09:25:32 +0000 Received: by outflank-mailman (input) for mailman id 309043; Wed, 20 Apr 2022 09:25:31 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nh6aZ-00046i-6h for xen-devel@lists.xenproject.org; Wed, 20 Apr 2022 09:25:31 +0000 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 2f20bfbb-c08b-11ec-8fbf-03012f2f19d4; Wed, 20 Apr 2022 11:21:07 +0200 (CEST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 0849C1F380; Wed, 20 Apr 2022 09:25:06 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id B698C13A30; Wed, 20 Apr 2022 09:25:05 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id FzNFK3HRX2J1EAAAMHmgww (envelope-from ); Wed, 20 Apr 2022 09:25:05 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 2f20bfbb-c08b-11ec-8fbf-03012f2f19d4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1650446706; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=3E7uGHyVSRLlv1q/BP8AWtqLSArF2xlrVNvb53ZZO3Q=; b=NMLVxS0XMRvWXReWNfowiUHySlIATTs0qYOx3BLmMovlp82yKFTiB3IwQ4F/agcqzd0JHr VFlhKH2x+iPFwtXn4eQ7JsfcC3e4ClBot4vi8F3e+C75NLAw9vAQuyx0PZQpDvYC1ln1AS 4YxztFMutLngFG/7ISGEdFELcUZmNEc= From: Juergen Gross To: xen-devel@lists.xenproject.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Juergen Gross , Boris Ostrovsky , Stefano Stabellini , "James E.J. Bottomley" , "Martin K. Petersen" Subject: [PATCH 0/4] xen/pv-scsi: update header and harden frontend Date: Wed, 20 Apr 2022 11:24:59 +0200 Message-Id: <20220420092503.11123-1-jgross@suse.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Update the Xen PV-scsi interface from the Xen tree and adapt the related drivers to use the new definitions. Harden the frontend driver to be no longer vulnerable to a malicious backend. Juergen Gross (4): xen: update vscsiif.h xen/scsiback: use new command result macros xen/scsifront: use new command result macros xen/scsifront: harden driver against malicious backend drivers/scsi/xen-scsifront.c | 168 ++++++++++++++++++++++------- drivers/xen/xen-scsiback.c | 82 +++++++++++++- include/xen/interface/io/vscsiif.h | 133 ++++++++++++++++++++++- 3 files changed, 340 insertions(+), 43 deletions(-)