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=-5.6 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 68548C43219 for ; Tue, 30 Apr 2019 14:36:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B31420835 for ; Tue, 30 Apr 2019 14:36:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726309AbfD3OgI (ORCPT ); Tue, 30 Apr 2019 10:36:08 -0400 Received: from mail-it1-f200.google.com ([209.85.166.200]:35208 "EHLO mail-it1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726073AbfD3OgH (ORCPT ); Tue, 30 Apr 2019 10:36:07 -0400 Received: by mail-it1-f200.google.com with SMTP id a64so2508208ith.0 for ; Tue, 30 Apr 2019 07:36:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=VMgx+6iCouIm6T5SwvF74+0r6jbRUy69gSjvtJBIKSQ=; b=N4iLCfafGZK6zy/11qzGa1UWRbL7wEtGDWULZRufaKeCSvIGE3oC/MmqlQvbGQA4E7 u1dFLkhcDhLNnSWvqoyakQo0ttmxF43oLMlwwEF1jOvAjR9DCMDGFuCH7/amtMKqqCtZ BH8+zKqgSlRhDYhNeZplLgSN717F3bj+SiFCnjj/rEwTMstz+9V9zjkrRKr73im8k3jm kTNJxEmSYu0ubbu70JAEd+X63DlMB8NqpA0aTJnaDyvhOrxWJ36N9vCZSSdwmAUyHBlg cfyHtJ9M6Y7v4/RjKAmyE7hMSxwvMkhRhPa3OteVg0Xe9gdVhqzUVp4ggHTis5CNKwQU 6OxQ== X-Gm-Message-State: APjAAAWBWxNDqGxyJK8z2P2yTK6hEiKTBDcD5qBHrDpHiWvrlVT/96F7 5TJLHV8cBeEEerhBnSam3whv7Ku/4sspARnnwhGHhbvoKD83 X-Google-Smtp-Source: APXvYqww/ewYXb9i3zqf03E6NoKS0d1c1UmjiyQxO4HoOQO7SuLXd192xFmZI/8UqdLnSUPSIFEXRwaZjXMr0X+UDcLq/KkO++/U MIME-Version: 1.0 X-Received: by 2002:a05:660c:9c2:: with SMTP id i2mr3941634itl.80.1556634967014; Tue, 30 Apr 2019 07:36:07 -0700 (PDT) Date: Tue, 30 Apr 2019 07:36:07 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004101370587c052fb@google.com> Subject: WARNING: Support for this device (Terratec Grabster AV400) is experimental. From: syzbot To: andreyknvl@google.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 9a33b369 usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=141ca62d200000 kernel config: https://syzkaller.appspot.com/x/.config?x=23e37f59d94ddd15 dashboard link: https://syzkaller.appspot.com/bug?extid=af8f8d2ac0d39b0ed3a0 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1405bedd200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13ce3bbb200000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+af8f8d2ac0d39b0ed3a0@syzkaller.appspotmail.com usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice= d.3c usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? pvrusb2: Hardware description: Terratec Grabster AV400 pvrusb2: ********** pvrusb2: WARNING: Support for this device (Terratec Grabster AV400) is experimental. pvrusb2: Important functionality might not be entirely working. pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. pvrusb2: ********** --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches