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,URIBL_BLOCKED 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 8AA83C48BE5 for ; Sat, 12 Jun 2021 06:59:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6165C61184 for ; Sat, 12 Jun 2021 06:59:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230442AbhFLHBa (ORCPT ); Sat, 12 Jun 2021 03:01:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:47514 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229584AbhFLHB3 (ORCPT ); Sat, 12 Jun 2021 03:01:29 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id E543E61009; Sat, 12 Jun 2021 06:59:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623481170; bh=K4jM6AUqyTLpmK+CZISvtI1+6QvgFWFIceLUxFTnUuU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=nH2cG9VdBAWwISy2gKPXunRORyLet3xJcWUC5gf3am+6JcBR9WY24Kx5UgyzWkzU6 ZyxXSt0SEFATJ1lzxbOSECEbJr2/Adjwcci96biU0JQ9qxUk5RVSX+WkE08LvpbpYx zFbv8voLI8GLKaomkR14Ouu4JDtCiCP7yZPAjIbM= Date: Sat, 12 Jun 2021 08:59:26 +0200 From: Greg KH To: syzbot Cc: johan@kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mathias.nyman@linux.intel.com, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] WARNING in vmk80xx_auto_attach/usb_submit_urb Message-ID: References: <00000000000074a21005c482fce2@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <00000000000074a21005c482fce2@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Fri, Jun 11, 2021 at 01:02:23PM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 614124be Linux 5.13-rc5 > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=12188667d00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=547a5e42ca601229 > dashboard link: https://syzkaller.appspot.com/bug?extid=5f29dc6a889fc42bd896 > compiler: Debian clang version 11.0.1-2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1687ec3fd00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=172f44ffd00000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+5f29dc6a889fc42bd896@syzkaller.appspotmail.com > > usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > usb 1-1: config 0 descriptor?? > ------------[ cut here ]------------ > usb 1-1: BOGUS urb xfer, pipe 1 != type 3 > WARNING: CPU: 1 PID: 20 at drivers/usb/core/urb.c:494 usb_submit_urb+0xacd/0x1550 drivers/usb/core/urb.c:493 Looks correct to me, you did not create a valid USB device for the system to use :)