From patchwork Thu Apr 28 07:53:19 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: 567426 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4675AC43217 for ; Thu, 28 Apr 2022 07:53:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343576AbiD1H4t (ORCPT ); Thu, 28 Apr 2022 03:56:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241907AbiD1H4m (ORCPT ); Thu, 28 Apr 2022 03:56:42 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A45F5F245; Thu, 28 Apr 2022 00:53:28 -0700 (PDT) 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-out1.suse.de (Postfix) with ESMTPS id 354692186F; Thu, 28 Apr 2022 07:53:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1651132407; 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=r3XSYHwZGjPKGDDJnE8y1TzQDS660lC8ubSYtSgv3fDXdqTjp7PRW3yk4VmEGD0yYctRb6 N2Cad7N/zT3wVToO0LIRMHi7Q5SA4KFmR6GDtMgWqzUho8hMvGo68rdSEeCKN5QsOTJ96V OTggVTVRIKMzc52CNcHY5fN1SxcXrG0= 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 E100C13AF8; Thu, 28 Apr 2022 07:53:26 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id qNCTNfZHamIoHAAAMHmgww (envelope-from ); Thu, 28 Apr 2022 07:53:26 +0000 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 v2 0/4] xen/pv-scsi: update header and harden frontend Date: Thu, 28 Apr 2022 09:53:19 +0200 Message-Id: <20220428075323.12853-1-jgross@suse.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org 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(-) Reviewed-by: Boris Ostrovsky