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[2620:137:e000::1:20]) by mx.google.com with ESMTP id a15-20020a621a0f000000b00575f86d63easi36738346pfa.170.2023.01.05.06.16.51; Thu, 05 Jan 2023 06:16:59 -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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232554AbjAENdc (ORCPT + 56 others); Thu, 5 Jan 2023 08:33:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232186AbjAENd2 (ORCPT ); Thu, 5 Jan 2023 08:33:28 -0500 Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C6EBE0E8 for ; Thu, 5 Jan 2023 05:33:27 -0800 (PST) Received: from fsav313.sakura.ne.jp (fsav313.sakura.ne.jp [153.120.85.144]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 305DX8wW057642; Thu, 5 Jan 2023 22:33:08 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav313.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav313.sakura.ne.jp); Thu, 05 Jan 2023 22:33:07 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav313.sakura.ne.jp) Received: from [192.168.1.20] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 305DX784057638 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Thu, 5 Jan 2023 22:33:07 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: <3e818daa-448c-9e36-7059-df26f6ce0075@I-love.SAKURA.ne.jp> Date: Thu, 5 Jan 2023 22:33:08 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH] fbcon: Use kzalloc() in fbcon_prepare_logo() Content-Language: en-US To: Alexander Potapenko , Geert Uytterhoeven , Marco Elver , Dmitry Vyukov , kasan-dev , Helge Deller , Linux Kernel Mailing List , Kees Cook References: <86bdfea2-7125-2e54-c2c0-920f28ff80ce@I-love.SAKURA.ne.jp> <032386fc-fffb-1f17-8cfd-94b35b6947ee@I-love.SAKURA.ne.jp> From: Tetsuo Handa In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00,NICE_REPLY_A, SPF_HELO_NONE,SPF_NONE autolearn=unavailable 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 On 2023/01/05 22:22, Daniel Vetter wrote: > Oh I was more asking about the fbdev patch. This here sounds a lot more > something that needs to be discussed with kmsan people, that's definitely > not my area. > -Daniel Commit a6a00d7e8ffd ("fbcon: Use kzalloc() in fbcon_prepare_logo()") was redundant but not reverting that commit is harmless. You don't need to worry about this problem. This is a problem for KMSAN people.