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 9C915C43219 for ; Tue, 30 Apr 2019 14:36:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 76D0020835 for ; Tue, 30 Apr 2019 14:36:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727004AbfD3OgI (ORCPT ); Tue, 30 Apr 2019 10:36:08 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:57234 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726164AbfD3OgI (ORCPT ); Tue, 30 Apr 2019 10:36:08 -0400 Received: by mail-io1-f70.google.com with SMTP id s184so11444183iod.23 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=+ObM0ZbbX8Ar/PY4hTa2EHRmMAyzn4hENSqLrm5v8YI=; b=lZ9YfBZDzFK7aknjBEmulLpAISPpJxIO7MsevMgsBXQQptanM/fluhwwVOfbCjBPtd a8huMSJUSewBnHq02B9hivZKwUxBPVTzcvA67H7wCMEIf7P6/mGErreWl5Xguw28Hdl5 bYrI3YeQ+WdfJh/WdR38XOZj+m7LpCg+5CeIsNAAvAPi6V8N7ClXLzXa8j9xjP1AZQxo XbKEQmoCU5UDV2/Bp6gB7bUj1EatALJKGxVQk3Nj1jzNUPp7t4nnEWIqKOj62inMpbpe EqY4UQEyd2+YtpZBn0HhdPg6hsD7yurFdEf9xuV3UNX32BCVNaZffPhs1BOE/uE1ODEC a68Q== X-Gm-Message-State: APjAAAWULxc0jaw3Wov/APw05Sszws5kGvor3Tncapr9iiocs0M05U+S B9z/VK38mblLKWommWKalgCAYpTyvFcaKMuRLXBAJVFUGZXU X-Google-Smtp-Source: APXvYqx+6xtWkB+45OmZD4MPGF7/9kcaqRkmsnDQdmsowkLlSmod3wncUp7EV+maJYO1BWdp8stDflu+PXy3Pn4BO8VBeZoRFLvR MIME-Version: 1.0 X-Received: by 2002:a24:6fc4:: with SMTP id x187mr4035363itb.122.1556634967514; 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: <00000000000048aa750587c052ef@google.com> Subject: WARNING: Detected a wedged cx25840 chip; the device will not work. 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=12df67c3200000 kernel config: https://syzkaller.appspot.com/x/.config?x=23e37f59d94ddd15 dashboard link: https://syzkaller.appspot.com/bug?extid=170a86bf206dd2c6217e compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=108a28f3200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=145d8a2d200000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+170a86bf206dd2c6217e@syzkaller.appspotmail.com usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 pvrusb2: Hardware description: Gotview USB 2.0 DVD 2 pvrusb2: Invalid write control endpoint usb 1-1: USB disconnect, device number 2 pvrusb2: Invalid write control endpoint pvrusb2: WARNING: Detected a wedged cx25840 chip; the device will not work. pvrusb2: WARNING: Try power cycling the pvrusb2 device. pvrusb2: WARNING: Disabling further access to the device to prevent other foul-ups. pvrusb2: Device being rendered inoperable cx25840 0-0044: Unable to detect h/w, assuming cx23887 cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) pvrusb2: Attached sub-driver cx25840 pvrusb2: Attempted to execute control transfer when device not ok pvrusb2: Attempted to execute control transfer when device not ok --- 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