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=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 D829FC433DB for ; Thu, 11 Mar 2021 12:58:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 749DE64FE0 for ; Thu, 11 Mar 2021 12:58:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233272AbhCKM5r (ORCPT ); Thu, 11 Mar 2021 07:57:47 -0500 Received: from mail.kernel.org ([198.145.29.99]:35416 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233256AbhCKM5m (ORCPT ); Thu, 11 Mar 2021 07:57:42 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 21D6764FAB; Thu, 11 Mar 2021 12:57:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1615467461; bh=SKOxvSdiyOG3ZHjASbR+SICZV200uV4/KxAMX8yFYjs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=i3GbMlX2Z0RNjgGxQxpBMQzxwQPga9Ub6YivofGCM3I3b0ysY47uMRkDcvrEAaio+ +yMgGmQDLKOUTC9T92hJuDlr2gmqt81zXQE7Xzym+jNoawDNaPjfEnhaGWeSF/3x34 JBB6bKThoIetCiTmWLilFYm33OBeRZ5nl2JsbAaU= Date: Thu, 11 Mar 2021 13:57:39 +0100 From: Greg KH To: Tetsuo Handa Cc: Shuah Khan , shuah@kernel.org, valentina.manea.m@gmail.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/6] usbip fixes to crashes found by syzbot Message-ID: References: <5baf6b94-72c4-6e69-65a5-35c5cfb8ca0e@i-love.sakura.ne.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5baf6b94-72c4-6e69-65a5-35c5cfb8ca0e@i-love.sakura.ne.jp> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 11, 2021 at 09:34:38PM +0900, Tetsuo Handa wrote: > On 2021/03/11 3:33, Greg KH wrote: > > On Sun, Mar 07, 2021 at 08:53:25PM -0700, Shuah Khan wrote: > >> This patch series fixes the following problems founds in syzbot > >> fuzzing. > > > > Thanks for these, all now queued up. > > I send SIGSTOP to > > [PATCH 4/6] usbip: fix stub_dev usbip_sockfd_store() races leading to gpf > [PATCH 5/6] usbip: fix vhci_hcd attach_store() races leading to gpf > [PATCH 6/6] usbip: fix vudc usbip_sockfd_store races leading to gpf > > because these patches merely converted NULL pointer dererefence bug to use-after-free bug > by breaking kthread_get_run() into kthread_create()/get_task_struct()/wake_up_process(). I'll take follow-on patches to fix that other issue, if it's proven to be valid. It's nice to fix up NULL dereference issues as soon as possible :) thanks, greg k-h