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=-11.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MIME_BASE64_TEXT,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 7A080C433E6 for ; Tue, 23 Feb 2021 14:58:41 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 B871664E21 for ; Tue, 23 Feb 2021 14:58:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B871664E21 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:52484 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lEZ95-00010v-IJ for qemu-devel@archiver.kernel.org; Tue, 23 Feb 2021 09:58:39 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:42948) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lEZ0u-00084J-GN for qemu-devel@nongnu.org; Tue, 23 Feb 2021 09:50:12 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:22589) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lEZ0r-0003KM-PW for qemu-devel@nongnu.org; Tue, 23 Feb 2021 09:50:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614091809; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3+kJfwqJ3IJChs+zdqeGKxCB+0AgtHQs52eDWeAuRgQ=; b=IduJ+wZGP7AWWR5M3HDbBWXa6GPq+w4MPDpxTTmZ1GvC7Aj1xwIJvBQGuwpREhlCa2Q3Lb EtAtd7E+C+/L6YF391oLxFEEg6ln4R1w3lNV76Oh/mqGGR2IBs0ZO0YPlKfsRPMVD31TfA HstuwWMAoKFGuFDpUyqWvkTUEXBdRj4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-418-MrRbQJ2FMiCCxKvVIi13PA-1; Tue, 23 Feb 2021 09:50:05 -0500 X-MC-Unique: MrRbQJ2FMiCCxKvVIi13PA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 51426879531; Tue, 23 Feb 2021 14:48:47 +0000 (UTC) Received: from localhost (ovpn-114-203.ams2.redhat.com [10.36.114.203]) by smtp.corp.redhat.com (Postfix) with ESMTP id 037885D6A1; Tue, 23 Feb 2021 14:48:43 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH v3 12/12] block/export: port virtio-blk read/write range check Date: Tue, 23 Feb 2021 14:46:53 +0000 Message-Id: <20210223144653.811468-13-stefanha@redhat.com> In-Reply-To: <20210223144653.811468-1-stefanha@redhat.com> References: <20210223144653.811468-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=stefanha@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=63.128.21.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MIME_BASE64_TEXT=1.741, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Laurent Vivier , Thomas Huth , qemu-block@nongnu.org, "Michael S. Tsirkin" , Peter Maydell , Coiby Xu , Max Reitz , Stefan Hajnoczi , Paolo Bonzini , Raphael Norwitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Q2hlY2sgdGhhdCB0aGUgc2VjdG9yIG51bWJlciBhbmQgYnl0ZSBjb3VudCBhcmUgdmFsaWQuCgpT aWduZWQtb2ZmLWJ5OiBTdGVmYW4gSGFqbm9jemkgPHN0ZWZhbmhhQHJlZGhhdC5jb20+Ci0tLQog YmxvY2svZXhwb3J0L3Zob3N0LXVzZXItYmxrLXNlcnZlci5jIHwgMTkgKysrKysrKysrKysrKysr Ky0tLQogMSBmaWxlIGNoYW5nZWQsIDE2IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCgpk aWZmIC0tZ2l0IGEvYmxvY2svZXhwb3J0L3Zob3N0LXVzZXItYmxrLXNlcnZlci5jIGIvYmxvY2sv ZXhwb3J0L3Zob3N0LXVzZXItYmxrLXNlcnZlci5jCmluZGV4IDA0MDQ0MjI4ZDQuLmNiNWQ4OTZi N2IgMTAwNjQ0Ci0tLSBhL2Jsb2NrL2V4cG9ydC92aG9zdC11c2VyLWJsay1zZXJ2ZXIuYworKysg Yi9ibG9jay9leHBvcnQvdmhvc3QtdXNlci1ibGstc2VydmVyLmMKQEAgLTIwOSw2ICsyMDksOCBA QCBzdGF0aWMgdm9pZCBjb3JvdXRpbmVfZm4gdnVfYmxrX3ZpcnRpb19wcm9jZXNzX3JlcSh2b2lk ICpvcGFxdWUpCiAgICAgc3dpdGNoICh0eXBlICYgflZJUlRJT19CTEtfVF9CQVJSSUVSKSB7CiAg ICAgY2FzZSBWSVJUSU9fQkxLX1RfSU46CiAgICAgY2FzZSBWSVJUSU9fQkxLX1RfT1VUOiB7Cisg ICAgICAgIFFFTVVJT1ZlY3RvciBxaW92OworICAgICAgICBpbnQ2NF90IG9mZnNldDsKICAgICAg ICAgc3NpemVfdCByZXQgPSAwOwogICAgICAgICBib29sIGlzX3dyaXRlID0gdHlwZSAmIFZJUlRJ T19CTEtfVF9PVVQ7CiAgICAgICAgIHJlcS0+c2VjdG9yX251bSA9IGxlNjRfdG9fY3B1KHJlcS0+ b3V0LnNlY3Rvcik7CkBAIC0yMTgsMTMgKzIyMCwyNCBAQCBzdGF0aWMgdm9pZCBjb3JvdXRpbmVf Zm4gdnVfYmxrX3ZpcnRpb19wcm9jZXNzX3JlcSh2b2lkICpvcGFxdWUpCiAgICAgICAgICAgICBi cmVhazsKICAgICAgICAgfQogCi0gICAgICAgIGludDY0X3Qgb2Zmc2V0ID0gcmVxLT5zZWN0b3Jf bnVtIDw8IFZJUlRJT19CTEtfU0VDVE9SX0JJVFM7Ci0gICAgICAgIFFFTVVJT1ZlY3RvciBxaW92 OwogICAgICAgICBpZiAoaXNfd3JpdGUpIHsKICAgICAgICAgICAgIHFlbXVfaW92ZWNfaW5pdF9l eHRlcm5hbCgmcWlvdiwgb3V0X2lvdiwgb3V0X251bSk7Ci0gICAgICAgICAgICByZXQgPSBibGtf Y29fcHdyaXRldihibGssIG9mZnNldCwgcWlvdi5zaXplLCAmcWlvdiwgMCk7CiAgICAgICAgIH0g ZWxzZSB7CiAgICAgICAgICAgICBxZW11X2lvdmVjX2luaXRfZXh0ZXJuYWwoJnFpb3YsIGluX2lv diwgaW5fbnVtKTsKKyAgICAgICAgfQorCisgICAgICAgIGlmICh1bmxpa2VseSghdnVfYmxrX3Nl Y3RfcmFuZ2Vfb2sodmV4cCwKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICByZXEtPnNlY3Rvcl9udW0sCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgcWlvdi5zaXplKSkpIHsKKyAgICAgICAgICAgIHJlcS0+aW4tPnN0YXR1cyA9IFZJ UlRJT19CTEtfU19JT0VSUjsKKyAgICAgICAgICAgIGJyZWFrOworICAgICAgICB9CisKKyAgICAg ICAgb2Zmc2V0ID0gcmVxLT5zZWN0b3JfbnVtIDw8IFZJUlRJT19CTEtfU0VDVE9SX0JJVFM7CisK KyAgICAgICAgaWYgKGlzX3dyaXRlKSB7CisgICAgICAgICAgICByZXQgPSBibGtfY29fcHdyaXRl dihibGssIG9mZnNldCwgcWlvdi5zaXplLCAmcWlvdiwgMCk7CisgICAgICAgIH0gZWxzZSB7CiAg ICAgICAgICAgICByZXQgPSBibGtfY29fcHJlYWR2KGJsaywgb2Zmc2V0LCBxaW92LnNpemUsICZx aW92LCAwKTsKICAgICAgICAgfQogICAgICAgICBpZiAocmV0ID49IDApIHsKLS0gCjIuMjkuMgoK