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[2620:137:e000::1:20]) by mx.google.com with ESMTP id z14-20020a170903018e00b0017e20ec5490si6497414plg.301.2022.12.15.05.58.01; Thu, 15 Dec 2022 05:58:09 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=GOsTQBHZ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229989AbiLON1T (ORCPT + 68 others); Thu, 15 Dec 2022 08:27:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229988AbiLON1O (ORCPT ); Thu, 15 Dec 2022 08:27:14 -0500 Received: from mail-oi1-x236.google.com (mail-oi1-x236.google.com [IPv6:2607:f8b0:4864:20::236]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B25112F016 for ; Thu, 15 Dec 2022 05:27:10 -0800 (PST) Received: by mail-oi1-x236.google.com with SMTP id q186so5245080oia.9 for ; Thu, 15 Dec 2022 05:27:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=JsIQaBLZ4y5c4SSVGkwIGpgdreDIGpJl4ZYxNL20OAk=; b=GOsTQBHZJfSwCc7at+84Wne8VfHzLv+KhrFgkNn9pHjXjff4Rgb6TilqzYC8jSwxss iweGLomFjCzQMNuFR7SgsaFblTsV7TUu+D/EjVl+fkifbNe0J0R5DMaOuYZIXouZjF+I koF3xPPAEFKiWoxsQkAf/8N8ZTiIzLsimMlHDMp497CjLY8MXMQ4Reg6L+bUT4m0nUF/ ocm2ksXC1fJs3SH8T/9/MAtkg0w/hvUJr+eklmLnKxIsWHAFEgE+vArlEeVqUvSvZX1Q eskt1U45Rez2uJe85ksPzc73FRCJFi4Rrwgxt4Beobh+FimXD/kiMc/n8c4zrYtWez6Q 6Jew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=JsIQaBLZ4y5c4SSVGkwIGpgdreDIGpJl4ZYxNL20OAk=; b=G6HGDZmdh99i6Ei/Gs8NgAQoczMVXuiiK5sFPFX9Jp+hZATY5byY69sKZIjOIZPSF8 k1975GQqHXqmreUNPSfg10G8Xnvz7H/zbtTYKWYlAzQ2h812Bsmd8e/xOb/7vERZR4NG l21luiRlgkdN+sXy/V8Oxb2siefzkw/LSALwRQzKcttB/9vFmC1U8ixMJMj1kIAsJc4g LMVhjlALkftU4Z2M1dROk4qDJkFr+aGlMpwyNMjONQqWEvgdlANu94gXvrRZcVc04uiy fsW7Cvn5tQ4dpg35Q9330qXOOYhb1uQjMXzUJEb0R2dEhcFOpMozXx88anVr0yR9Md82 MGTg== X-Gm-Message-State: ANoB5pn8OhyZ/6SfyUICiuetcmUeUBYBt2uplQLXwLeEqOXkpwZG6kU+ L+0/YRSdtHnoDK/0pg+aJIavvWEFlVOGrpkuQgQ= X-Received: by 2002:aca:b02:0:b0:35b:fe2a:a93b with SMTP id 2-20020aca0b02000000b0035bfe2aa93bmr315587oil.60.1671110829956; Thu, 15 Dec 2022 05:27:09 -0800 (PST) MIME-Version: 1.0 References: <20221007013708.1946061-1-zyytlz.wz@163.com> <167110126066.5360.11413014428644610672@jlahtine-mobl.ger.corp.intel.com> In-Reply-To: From: Zheng Hacker Date: Thu, 15 Dec 2022 21:26:57 +0800 Message-ID: Subject: Re: [PATCH v3] drm/i915/gvt: fix double free bug in split_2MB_gtt_entry To: "Wang, Zhi A" Cc: Joonas Lahtinen , Dave Airlie , Zhenyu Wang , Tvrtko Ursulin , "alex000young@gmail.com" , "security@kernel.org" , "airlied@linux.ie" , "gregkh@linuxfoundation.org" , "intel-gfx@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "1002992920@qq.com" <1002992920@qq.com>, Zheng Wang , "intel-gvt-dev@lists.freedesktop.org" Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Zhi, Thanks for your reply and suggestion about fix. I am a little bit busy now. I will review the code as soon as possible. Also thanks Joonas for the reminding. We'll try to think out the new fix. Best regards, Zheng Wang