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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,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 6F13FC433E0 for ; Thu, 18 Mar 2021 13:40:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 362B364F2B for ; Thu, 18 Mar 2021 13:40:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230499AbhCRNjj (ORCPT ); Thu, 18 Mar 2021 09:39:39 -0400 Received: from www262.sakura.ne.jp ([202.181.97.72]:58742 "EHLO www262.sakura.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230369AbhCRNjg (ORCPT ); Thu, 18 Mar 2021 09:39:36 -0400 Received: from fsav304.sakura.ne.jp (fsav304.sakura.ne.jp [153.120.85.135]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 12IDdQIU019105; Thu, 18 Mar 2021 22:39:26 +0900 (JST) (envelope-from penguin-kernel@i-love.sakura.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav304.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav304.sakura.ne.jp); Thu, 18 Mar 2021 22:39:26 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav304.sakura.ne.jp) Received: from [192.168.1.9] (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 12IDdPwu019085 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Thu, 18 Mar 2021 22:39:26 +0900 (JST) (envelope-from penguin-kernel@i-love.sakura.ne.jp) Subject: Re: [PATCH 0/6] usbip fixes to crashes found by syzbot To: Shuah Khan , shuah@kernel.org Cc: valentina.manea.m@gmail.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Greg KH References: <5baf6b94-72c4-6e69-65a5-35c5cfb8ca0e@i-love.sakura.ne.jp> <8dc1e893-4338-90ff-ea61-de727cad1d11@i-love.sakura.ne.jp> <192bdb07-da84-ce96-2e25-7c0df749940a@i-love.sakura.ne.jp> <9e089560-388a-a82d-4841-8092578b9d5d@i-love.sakura.ne.jp> <465479ca-544e-3703-cf4e-30f5be04fa11@i-love.sakura.ne.jp> <41d21338-19f4-ac4f-2aef-e26180f4c573@linuxfoundation.org> From: Tetsuo Handa Message-ID: <8bd0f03a-2b9e-dd59-ecce-ac3ee019d8bc@i-love.sakura.ne.jp> Date: Thu, 18 Mar 2021 22:39:25 +0900 User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <41d21338-19f4-ac4f-2aef-e26180f4c573@linuxfoundation.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/03/18 22:13, Shuah Khan wrote: > Please don't review code that isn't sent upstream. This repo you are > looking at is a private branch created just to verify fixes on syzbot. But nobody was able to review this series when sent to ML (except you simply ignored my questions), and this series was merged to upstream and stable kernels despite there was an obvious assignment error which results in NULL pointer dereference. > > I understand the race window you are talking about. I have my way of > working to resolve it. Without an effort to share your understanding/idea and my understanding/idea, nobody can test/review what you call a solution.