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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 AD29DC432C3 for ; Fri, 15 Nov 2019 17:51:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 92C8E2072B for ; Fri, 15 Nov 2019 17:51:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726766AbfKORvZ (ORCPT ); Fri, 15 Nov 2019 12:51:25 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:52256 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726755AbfKORvY (ORCPT ); Fri, 15 Nov 2019 12:51:24 -0500 Received: by mail-il1-f197.google.com with SMTP id t23so9507986ila.19 for ; Fri, 15 Nov 2019 09:51:24 -0800 (PST) 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:cc; bh=pGJy5bV/ClMY0bQDidFNUwMMkISrO4lRL5Ugf+Rz2YY=; b=mJLdmPSm6KW85U6ZljGJRQI0fZne+rHPe+AtOurI4UKtBpctCNb5K0iJkpzs5b2w/9 5EGpZuhJa3P+MFXVak75h2kXj3lV67T00EnrihtH5xrErL5NtCiQ3oWOmcXNQn0VpROp zuqf0i6QMFBzWQTtW4suQTVtkkPj5P4b84X22qm7OswAiQkg5cD8XZguzlK2G1mkstRZ hLyZXf+FlbpcIz1Ucg5OES29qwJS27fr9cRP5KBfayuz8EGG132N0MKOrW5k2QT9PvOb CKWFO9a5MsCwjun3dXmDn/NZ7oWXyoBRwAg1UgDUGWO/fAoljvkOPNTeGnF62XK4Arfb h1Og== X-Gm-Message-State: APjAAAXOxjp4EpZy/ihZ9dRTSVLLc7nFXMdGWsxWk20WsA6nCB5CaLbm GYUxiwK2dcZwdZRtk+LyipdwYwIlMExnQGDEsnYTrTz3Xxs6 X-Google-Smtp-Source: APXvYqxIKKi0/wnIl2ukMipzPOcGhT1Mj43uGPGEnX0b3CFttSEg5G8lFDDVS8HLZr0z0KhEQPp+P5k74GJmu4km2VyfzOyuGwXP MIME-Version: 1.0 X-Received: by 2002:a5d:8555:: with SMTP id b21mr1949271ios.22.1573840284098; Fri, 15 Nov 2019 09:51:24 -0800 (PST) Date: Fri, 15 Nov 2019 09:51:24 -0800 In-Reply-To: <5dcee59a.1c69fb81.188d.e4b9@mx.google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001129840597663fa0@google.com> Subject: Re: Re: INFO: task hung in chaoskey_disconnect From: syzbot To: Stephen Boyd Cc: alexandre.belloni@bootlin.com, andreyknvl@google.com, arnd@arndb.de, b.zolnierkie@samsung.com, gregkh@linuxfoundation.org, herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, lvivier@redhat.com, mchehab@kernel.org, mpm@selenic.com, swboyd@chromium.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 > Quoting syzbot (2019-11-06 04:32:09) >> Hello, >> syzbot found the following crash on: >> HEAD commit: b1aa9d83 usb: raw: add raw-gadget interface >> git tree: https://github.com/google/kasan.git usb-fuzzer >> console output: https://syzkaller.appspot.com/x/log.txt?x=16ae2adce00000 >> kernel config: >> https://syzkaller.appspot.com/x/.config?x=79de80330003b5f7 >> dashboard link: >> https://syzkaller.appspot.com/bug?extid=f41c4f7c6d8b0b778780 >> compiler: gcc (GCC) 9.0.0 20181231 (experimental) >> syz repro: >> https://syzkaller.appspot.com/x/repro.syz?x=10248158e00000 >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16afbf7ce00000 >> IMPORTANT: if you fix the bug, please add the following tag to the >> commit: >> Reported-by: syzbot+f41c4f7c6d8b0b778780@syzkaller.appspotmail.com > I suspect this is because of the kthread getting stuck problem reported > by Maciej. Maybe try the commit that Herbert picked up. > #syz test: > git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git linus Bugs found by USB fuzzer can only be tested on https://github.com/google/kasan.git tree, usb-fuzzer branch because USB fuzzer is not upstreamed yet. See https://goo.gl/tpsmEJ#usb-fuzzer for details.