From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: INFO: task hung in usb_kill_urb From: syzbot Message-Id: <000000000000fb61d40586aa6a1e@google.com> Date: Tue, 16 Apr 2019 12:03:00 -0700 To: andreyknvl@google.com, gregkh@linuxfoundation.org, gustavo@embeddedor.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com List-ID: SGVsbG8sCgpzeXpib3QgaGFzIHRlc3RlZCB0aGUgcHJvcG9zZWQgcGF0Y2ggYW5kIHRoZSByZXBy b2R1Y2VyIGRpZCBub3QgdHJpZ2dlciAgCmNyYXNoOgoKUmVwb3J0ZWQtYW5kLXRlc3RlZC1ieTog IApzeXpib3QrZDkxOWIwZjI5ZDdiNWE0OTk0YjlAc3l6a2FsbGVyLmFwcHNwb3RtYWlsLmNvbQoK VGVzdGVkIG9uOgoKY29tbWl0OiAgICAgICAgIDlhMzNiMzY5IHVzYi1mdXp6ZXI6IG1haW4gdXNi IGdhZGdldCBmdXp6ZXIgZHJpdmVyCmdpdCB0cmVlOiAgICAgICBodHRwczovL2dpdGh1Yi5jb20v Z29vZ2xlL2thc2FuL3RyZWUvdXNiLWZ1enplcgprZXJuZWwgY29uZmlnOiAgaHR0cHM6Ly9zeXpr YWxsZXIuYXBwc3BvdC5jb20veC8uY29uZmlnP3g9MjNlMzdmNTlkOTRkZGQxNQpjb21waWxlcjog ICAgICAgZ2NjIChHQ0MpIDkuMC4wIDIwMTgxMjMxIChleHBlcmltZW50YWwpCnBhdGNoOiAgICAg ICAgICBodHRwczovL3N5emthbGxlci5hcHBzcG90LmNvbS94L3BhdGNoLmRpZmY/eD0xMjYwY2Nj YjIwMDAwMAoKTm90ZTogdGVzdGluZyBpcyBkb25lIGJ5IGEgcm9ib3QgYW5kIGlzIGJlc3QtZWZm b3J0IG9ubHkuCg== 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 E92C9C10F14 for ; Tue, 16 Apr 2019 19:03:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C8DE720663 for ; Tue, 16 Apr 2019 19:03:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730335AbfDPTDD (ORCPT ); Tue, 16 Apr 2019 15:03:03 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:40141 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727136AbfDPTDC (ORCPT ); Tue, 16 Apr 2019 15:03:02 -0400 Received: by mail-io1-f69.google.com with SMTP id e72so17375445iof.7 for ; Tue, 16 Apr 2019 12:03:01 -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:in-reply-to:message-id:subject :from:to; bh=lxKut/HU+wkC7ZEcirpdmi7wbjnE0Dg75ohOiteV7/k=; b=Nnlk8kKvXdzeh+ofEY+8waXhSaQOOMuFDhYMQ/iczjpnur0KGCidEoLY4Kz9HrMd3D 3yyx/lpU5XCICZz9uNcw5d20DYgXpuze2Kui3G4YugQ0fGc/uWGGZ46ofSoYMh4d3Kn+ jm8+rS9j/o/1rSfc6RBQyA1/xUI1a2Gpr8Udev1CiPqWEfQNiOjAi1g/QZRnLWfmbdSG JXNMlfcz6ItNCLkaVdALg+eol/2FWXRiD8nyMSIYJDsPxJW7h7x8aZKsv0guHApgfGjJ uCwWl08NG7cxSjUUBBeOJDBarTeYkiO2sNUnSB+gDrwpHiQv/LYpo/rQCR3jpQL8ckCX yIfw== X-Gm-Message-State: APjAAAU8Y5FpIkqcNZ+OY7mAIfj2FFQfK83Qo0RvUQhYXr21+2/P5vF4 eWTm04tNH2aQoDQHpCjJGbS17GiQSo2w3aaXYtZJrt6pO+lO X-Google-Smtp-Source: APXvYqxmLSv9mlCqd+l3cODicH/ctwi7Jnt4DCPyBOuMEvnCs9BLM4IIRMQMv/CSQyGywGduJYrKc1IGflO5nHdEvBpDDxM3Flnn MIME-Version: 1.0 X-Received: by 2002:a6b:c885:: with SMTP id y127mr6200078iof.2.1555441380972; Tue, 16 Apr 2019 12:03:00 -0700 (PDT) Date: Tue, 16 Apr 2019 12:03:00 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000fb61d40586aa6a1e@google.com> Subject: Re: INFO: task hung in usb_kill_urb From: syzbot To: andreyknvl@google.com, gregkh@linuxfoundation.org, gustavo@embeddedor.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; delsp="yes"; format="flowed" Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Message-ID: <20190416190300.yBzYeK5_A12sRr20ZJUQG5EOB5jeKTfEX0IxuwnqqDI@z> Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+d919b0f29d7b5a4994b9@syzkaller.appspotmail.com Tested on: commit: 9a33b369 usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan/tree/usb-fuzzer kernel config: https://syzkaller.appspot.com/x/.config?x=23e37f59d94ddd15 compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=1260cccb200000 Note: testing is done by a robot and is best-effort only.