From nobody Mon Feb 9 10:48:07 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1607545428; cv=none; d=zohomail.com; s=zohoarc; b=Z6u1UhihOVOFwwQD6A9jGccvBABbIyiuIqH2kn9OCKg3KcaIz3Jm592h2SSX6DAyymv6QtQMshC7G3eUGrdCzTzHEm9M8r5/qL5Z4lAKxnoC6+RbwywTR+JKiJyRLN0l1cl5qbegQuu1GY6kL12ooGHrlIPwQz2LYSfFpox0WBY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1607545428; h=Content-Type:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=c0kBt8I1oCPYpFP4q5PRaWZkMHzl2YDLms+Egf+MHrY=; b=E0FtjHETu+HWN8wgfmUddeXs1xy2g09qKZzGrM7oROP6aRWJ3upSMScGHpcqhvHXLjA7e7TAjgEst4dXBnlBM/0zHzsKJwbLNT7rhhal0rNICOKIPVh6Br4g7KM4zrAqyjopiZLDlc1uYuX6/5rRKjS2A1L2q4mLMAKAdADt+wE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1607545428337435.67454813166694; Wed, 9 Dec 2020 12:23:48 -0800 (PST) Received: from localhost ([::1]:55800 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kn4nn-00035X-Vo for importer@patchew.org; Wed, 09 Dec 2020 14:07:04 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:53166) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kn3vL-0004ah-1X for qemu-devel@nongnu.org; Wed, 09 Dec 2020 13:10:47 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:28164) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kn3vD-0000Ky-Lv for qemu-devel@nongnu.org; Wed, 09 Dec 2020 13:10:46 -0500 Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-502-dGDGDnxtPtWIRvMuYWzMZA-1; Wed, 09 Dec 2020 13:10:37 -0500 Received: by mail-wm1-f70.google.com with SMTP id r5so880810wma.2 for ; Wed, 09 Dec 2020 10:10:36 -0800 (PST) Received: from redhat.com (bzq-79-176-44-197.red.bezeqint.net. [79.176.44.197]) by smtp.gmail.com with ESMTPSA id w13sm4733738wrt.52.2020.12.09.10.10.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Dec 2020 10:10:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607537439; 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: in-reply-to:in-reply-to:references:references; bh=c0kBt8I1oCPYpFP4q5PRaWZkMHzl2YDLms+Egf+MHrY=; b=AQJGBknVMiJR+p/FqJKF5ZJKPLASzswP/iVUPH4bSMQcONlXBBNn43QFvGB5Pss3zMlVdm 1+97Pg9Yp5JlgLXJ/+qHio9xHM+y7j1Ef7c0ceh4KXYiU+F1UV2mowrw09WJ8Ju30X/2Bi 9/vt6c748+heauVm6rah/N+fjCMo5sg= X-MC-Unique: dGDGDnxtPtWIRvMuYWzMZA-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=c0kBt8I1oCPYpFP4q5PRaWZkMHzl2YDLms+Egf+MHrY=; b=OMiymc05wM3uJLz1SnoPrv4jqZXc7VV0qUEVzFnAlBl1F/29KnmwxPZfSRCyMBZRaM mWLST8xbkuITPOxYwli1hC+j5FYwDjs8twuY3r99hwuKkoczTiCGDrt9ZfFaX4C4hDPm m/xISJPjrkLE1sOAOa3ph2kERsfysJbxBhb9Ivf0mBl5XtLKkfF4E+p9ywY0D2Yarc4a j3LwKxMjZ8P9sTEq2QqS2708mavboRvKWykX2fxrUNV2kC+qr49MpzQ/kJ/Zx+D59+a8 O60QgUhNnctVj4143MNXQh6Y72eITVXuoDB3V/EINGzQ0rirG15pGlsDkMNPVax8xxY7 wt2g== X-Gm-Message-State: AOAM5338IFaQmQmrF4S+ebr9EIpiq4V1WmbyaGqwj2ZURNj6Mze+quiF ptLo5onLcqYb1TzbNz2ZbBWILYc+11CMwle0nCD+Dsd4cmIiiJ6q5hc2L+xJ3NzaDfTLBTdtU8J JNtTNV4yFdhNrkaJTs9p1CGzTLO7N+a0tQuktWHEWxJKy6a+2fp8IwPNheDda X-Received: by 2002:a7b:c773:: with SMTP id x19mr3956976wmk.127.1607537435543; Wed, 09 Dec 2020 10:10:35 -0800 (PST) X-Google-Smtp-Source: ABdhPJw3B0ZGqg9ncmvhpPgoPHIDhx0tlYHGK5QwJhsSgjKM+1RruqHjNp+WFYnhZzSkp37SL/HQsQ== X-Received: by 2002:a7b:c773:: with SMTP id x19mr3956959wmk.127.1607537435335; Wed, 09 Dec 2020 10:10:35 -0800 (PST) Date: Wed, 9 Dec 2020 13:10:33 -0500 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL v2 52/65] contrib/vhost-user-gpu: avoid g_return_val_if() input validation Message-ID: <20201209180546.721296-53-mst@redhat.com> References: <20201209180546.721296-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20201209180546.721296-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: Peter Maydell , Gerd Hoffmann , Markus Armbruster , Stefan Hajnoczi , =?utf-8?Q?Marc-Andr=C3=A9?= Lureau Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Stefan Hajnoczi Do not validate input with g_return_val_if(). This API is intended for checking programming errors and is compiled out with -DG_DISABLE_CHECKS. Use an explicit if statement for input validation so it cannot accidentally be compiled out. Suggested-by: Markus Armbruster Signed-off-by: Stefan Hajnoczi Message-Id: <20201118091644.199527-3-stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- contrib/vhost-user-gpu/vhost-user-gpu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/contrib/vhost-user-gpu/vhost-user-gpu.c b/contrib/vhost-user-g= pu/vhost-user-gpu.c index a019d0a9ac..f445ef28ec 100644 --- a/contrib/vhost-user-gpu/vhost-user-gpu.c +++ b/contrib/vhost-user-gpu/vhost-user-gpu.c @@ -1044,7 +1044,9 @@ vg_get_config(VuDev *dev, uint8_t *config, uint32_t l= en) { VuGpu *g =3D container_of(dev, VuGpu, dev.parent); =20 - g_return_val_if_fail(len <=3D sizeof(struct virtio_gpu_config), -1); + if (len > sizeof(struct virtio_gpu_config)) { + return -1; + } =20 if (opt_virgl) { g->virtio_config.num_capsets =3D vg_virgl_get_num_capsets(); --=20 MST