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=-6.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 9246FC4727C for ; Wed, 30 Sep 2020 05:26:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2BA0C20706 for ; Wed, 30 Sep 2020 05:26:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601443619; bh=A3o+rBVbjEg8dopKtFaSwezvAKvwOIF1FOSZc3pCWv0=; h=Subject:To:Cc:References:From:Date:In-Reply-To:List-ID:From; b=R7jASUKiFwyZCQ/n1tdaveXP8Wa3p63MHHAnKAKHyHaG8j0xjJdiulvFfMUR+1Rty LMi5Q6NBHI467fmxQux8BZN46J5Hbfm7vbH3B0cTAe51ERvORbz2xPrN5KbAY9aV5p p7m836yd7I8bkbYI8VoC2YT37PnzYmBZ2HeGQDAc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725814AbgI3F06 (ORCPT ); Wed, 30 Sep 2020 01:26:58 -0400 Received: from mail-ej1-f66.google.com ([209.85.218.66]:33274 "EHLO mail-ej1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725440AbgI3F05 (ORCPT ); Wed, 30 Sep 2020 01:26:57 -0400 Received: by mail-ej1-f66.google.com with SMTP id j11so981613ejk.0; Tue, 29 Sep 2020 22:26:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Je2DNnA/FKfKTqizjipmzNv3owWScP9mvLVXfLsSsn0=; b=bky6nP4+mvw23ij9R9+Uci4t0rQbBe2UnZQXSdsfBq5PII+j0mhor9f24WjAo+sOuu ZP0RZXwKXaKut5zTuD+ivg8vHMhrLJKE0uWJMSXGSkGb9FHhySVMB78TAGxSapdyVN3u a+WUKnRZtRSUjxDxez7WZkBIhe7LdxMC0uLwcQwnby3CR9VDMZoxGDJHVjY2AZyxoFNY 7JFfdH7IpOHdzbGx3typ1k/pKhlSbspx7vnGoVxuxTootOPgwNsvK4sUXcNByEWc4ejW hDS+Jlr1W8Kzq8xbLgeXCVWRMoYPy6HfD3mofYWrNCoaIz6eF063ddXnfXOBuRvAnoe0 X91g== X-Gm-Message-State: AOAM533Nz3OdHcFKp7A1tOthdyVuK3e/0iNPZgJ68NUhZO2QEWYlvAq6 m9wVwMIhLZCCnZbzzM59MjehvIVFAO10SA== X-Google-Smtp-Source: ABdhPJxZWLUkyQs9Cnkhkk/mXboQK+ISYt9QsCL2oAivHTd7YbInKhTXYmmYx659HgrqEpkNaVZF/A== X-Received: by 2002:a17:906:8559:: with SMTP id h25mr1076818ejy.536.1601443614199; Tue, 29 Sep 2020 22:26:54 -0700 (PDT) Received: from ?IPv6:2a0b:e7c0:0:107::70f? ([2a0b:e7c0:0:107::70f]) by smtp.gmail.com with ESMTPSA id z16sm392636edr.56.2020.09.29.22.26.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 29 Sep 2020 22:26:53 -0700 (PDT) Subject: Re: [PATCH 0/3] Prevent out-of-bounds access for built-in font data buffers To: Peilin Ye , Daniel Vetter Cc: Greg Kroah-Hartman , Bartlomiej Zolnierkiewicz , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org References: <0000000000006b9e8d059952095e@google.com> <3f754d60-1d35-899c-4418-147d922e29af@kernel.org> <20200925101300.GA890211@PWN> <20200925132551.GF438822@phenom.ffwll.local> <20200929123420.GA1143575@PWN> From: Jiri Slaby Message-ID: <7d341242-9612-d0ee-4b79-e93882fad73f@kernel.org> Date: Wed, 30 Sep 2020 07:26:52 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <20200929123420.GA1143575@PWN> Content-Type: text/plain; charset=iso-8859-2 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29. 09. 20, 14:34, Peilin Ye wrote: > the work in general? I couldn't think of how do we clean up subsystems > one by one, while keeping a `console_font` in `struct vc_data`. Hi, feel free to change struct vc_data's content as you need, of course. Only the UAPI _definitions_ have to be preserved (like struct console_font). thanks, -- js suse labs