From nobody Fri Oct 31 09:42:15 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=quarantine dis=none) header.from=suse.com ARC-Seal: i=1; a=rsa-sha256; t=1749639059; cv=none; d=zohomail.com; s=zohoarc; b=R+oAWz7I8s1brSJwgTUvoSog9QAuxN7ZuVt9Z0ZpXah2ms9MS5NGhoZaaCi+wzZc5BQ9Nx98ecR8PjN6hj5eQ4IaKtOY05qv+Vpb5iPNvCEUwyBAksUEj+rErNkgSeY7kLRDH52GpcfURnZ0Zm1TYL/1+I53LUQX+NPRKh2hA6s= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1749639059; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=qJe2b9Ve9u5yERr1EJ80GBKKaRjXsmkBckErKPpU0kg=; b=YrrLAQyWQkfOGdSggGp6u5Ny0nCezrcP0fym48OMsXBuf2jvj2gg8tcZoUY6N/ZFoqNcsmBR+yVK2dZwtdQtydBrYwa5NeV3lubUGBSt1kG1m0+/iShZ4f93XS3thZQlq3quG44RaN+AJNlXQ0rCSDPcoJQZeu4qLTZkQbZqR5Y= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1749639059024237.83854399204233; Wed, 11 Jun 2025 03:50:59 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.1011525.1389977 (Exim 4.92) (envelope-from ) id 1uPJ2e-0005jb-0l; Wed, 11 Jun 2025 10:50:48 +0000 Received: by outflank-mailman (output) from mailman id 1011525.1389977; Wed, 11 Jun 2025 10:50:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1uPJ2d-0005jU-UO; Wed, 11 Jun 2025 10:50:47 +0000 Received: by outflank-mailman (input) for mailman id 1011525; Wed, 11 Jun 2025 10:50:47 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1uPIwl-0002CX-1h for xen-devel@lists.xenproject.org; Wed, 11 Jun 2025 10:44:43 +0000 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [2a00:1450:4864:20::42a]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 14fb8239-46b1-11f0-a307-13f23c93f187; Wed, 11 Jun 2025 12:44:42 +0200 (CEST) Received: by mail-wr1-x42a.google.com with SMTP id ffacd0b85a97d-3a54700a463so532152f8f.1 for ; Wed, 11 Jun 2025 03:44:42 -0700 (PDT) Received: from [10.156.60.236] (ip-037-024-206-209.um08.pools.vodafone-ip.de. [37.24.206.209]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7482b0edb54sm9164076b3a.173.2025.06.11.03.44.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Jun 2025 03:44:41 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version 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: 14fb8239-46b1-11f0-a307-13f23c93f187 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1749638682; x=1750243482; darn=lists.xenproject.org; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:from:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=qJe2b9Ve9u5yERr1EJ80GBKKaRjXsmkBckErKPpU0kg=; b=LNmv7DieUcYF7vRUk+HxXaVBWNcHRYi8jC5MUBtBHICgTowB/jj55c21P9eE8QkeFp 0Lbm9scgb5lSpvkzaOfJq4yV9+fvhDwaoCMFmKnpY+aYobyr7/x5YQdKf3jpYlWOD2X8 rlmGGn+mUPuhL1KO8fVMRwWU8otsqcVYXVdGvKLr/08KhoF4BlOshbgpFqGXsMKkbF9f TcaPbIQGCtdhUAKgLqcDUkuThyJwpN43TsUzwRx74ew/M7PjONsh96jUZ55+ouTXsd3i 9dhriES90o6v5khrw4Vtk0LjbdifBeOq51YcAhBIF0WktcYfyFARjn75Fes3ep3n5wfy lvJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749638682; x=1750243482; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:from:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=qJe2b9Ve9u5yERr1EJ80GBKKaRjXsmkBckErKPpU0kg=; b=Fg0tdNzkedSQK3RPKvajIBTEa2ZfNaFSjAtU9A/rTw3Iihrw7gQDZryB0+TzY5aR/l 26eF15wNASIa66LxXxHiWIgPrWXX4cWj2z/egMikRCJOguqelIGygeatLN02DtfOoOtZ nSFa5KUqRQzfr959rBI34UnyzQLyOeqVQaWeLmexpqcbFxiITzu7sSspYEDcHP+OVtcH EIyPZ5N7dNF7x6ICajXXEqWRXKTU7fxZmxVfZotOsKc6LMM3K9c8XSbEYEVoLkoHYMpU E6deBp95dhxu/WWZhwCh9PGWLBYEZKly68cZKbirJoV8PxsHFDqBGpw5YVVPB5Z5hvQq Bbsg== X-Gm-Message-State: AOJu0Yw7iTFRHIuz+QY/Ue3dKtF65evULmePkrdoOuRbcOVhNmjTMFZd WCxN0tWesW8KMI+Upqui4qzZGsBRjwadmexKtMimA4S//EBP1tE8bdweKqJwNXLTozs8uVx5Vbr /h3Q= X-Gm-Gg: ASbGncurnHjNGDJMw2Ysuthjrk7MxEinGjeeeBprTEuA7x/rxxHYycfUKSaGlec8Cph QeTV7jzRCu3ex2g1zQjuqG90WPx3TJBRXFDPyBy3flT18Yr8mNHXSsZUpwwwLMWho+cFyR1h0FQ R6F4EqQ+VkcixCaqeeEz6hXHPs7n7Infjuq4L8emk8DW6We+S+NmcC18klCm0m4fKVcQnkCmuzX hAGdbOt2BlsryjzCW6QFawx91HyqTpkLD86AamDnfEt4IlSJ3lTe134XyA8DAOk2SlodVPsPZsw kMtJNb2vQkVRN5voPU2qgmHgvugB3aaHJr3gsxXJ8ggZm1jiiLfJevRxhTg8N5lOCE1/kubFDJC jBuzpAZsAwok8AISnXzGvAUP2T/DXZ5t67GxyP8Qa290iRFw= X-Google-Smtp-Source: AGHT+IEThpE825vd6h/mVkbXdfWYgfywPI7WN9IWWju2j1Zh1DSGUJ9hblzZlgDPFzb/2sa9bWeH1g== X-Received: by 2002:adf:edc1:0:b0:3a5:270e:7d3 with SMTP id ffacd0b85a97d-3a55824dfdcmr1896420f8f.13.1749638681906; Wed, 11 Jun 2025 03:44:41 -0700 (PDT) Message-ID: <9d0696eb-52d9-4501-8aa6-2d5e572d6433@suse.com> Date: Wed, 11 Jun 2025 12:44:39 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 6/6] vVMX: address size in decode_vmx_inst() From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= References: <44d67587-415e-4ec1-a433-64a12aea80d7@suse.com> Content-Language: en-US Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: <44d67587-415e-4ec1-a433-64a12aea80d7@suse.com> Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1749639059889116600 Content-Type: text/plain; charset="utf-8" While the original use of the address size file in the instruction info provided was wrong, it still wants using: The offset into the designated segment still may need truncating accordingly. Fixes: 09fce8016596 ("Nested VMX: Emulation of guest VMXON/OFF instruction") Signed-off-by: Jan Beulich --- a/xen/arch/x86/hvm/vmx/vvmx.c +++ b/xen/arch/x86/hvm/vmx/vvmx.c @@ -441,6 +441,13 @@ static int decode_vmx_inst(struct cpu_us size =3D 4 << mode_64bit; =20 offset =3D base + index * scale + disp; + switch ( info.fields.addr_size ) + { + case 0: offset =3D (uint16_t)offset; break; + case 1: offset =3D (uint32_t)offset; break; + default: break; + } + base =3D !mode_64bit || info.fields.segment >=3D x86_seg_fs ? seg_base + offset : offset; if ( offset + size - 1 < offset ||