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 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 EEEA2C433DF for ; Sun, 24 May 2020 21:53:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C9E0120885 for ; Sun, 24 May 2020 21:53:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388542AbgEXVxG (ORCPT ); Sun, 24 May 2020 17:53:06 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:56567 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388349AbgEXVxF (ORCPT ); Sun, 24 May 2020 17:53:05 -0400 Received: by mail-io1-f70.google.com with SMTP id s126so5376446iod.23 for ; Sun, 24 May 2020 14:53:04 -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=W2XSpdpI4imP3oFttp3ea6rQjy1+gsYM/fLbimKy0J8=; b=kHmZk4Z12khc+xl8RDd44oT2jLCxeqljXJdOfz3EMlSqylyz3q2RQ/bEp37oMTxUm1 0yTva0OSmu5wW9gqJxV0nhXGM9UkuyTTF1UL2uBwsufFV/av2fF2k7dzc+OKxuSXYrEd YIOEKlBdp1BCBUwuG0KO5GveYMgSu9uzzwKc/srEEryFhoid1STNy0vYQUX/EYoslgTl YD03wkLmL5OwEowwjoiyN2FHMQwfkJn7RLH85gXAzxYUdmGPxmYoMxMLQZUBxk5HDFx6 fK5wCwfNCUOuJgVrYaZWsKVibJ0bJ9rpff65TtlJKQnw3pAdZF6rfGzZNXbujr7IB3RF xUBQ== X-Gm-Message-State: AOAM533f8pAywbUtEpVBqOtLemEW8Qnvl0wU+VVRqh08gSqMLAf1+Hkd WASVsw93Il35DyY1YgqT9QRqEjkvlAhfaNNWpAov7Q8A+waX X-Google-Smtp-Source: ABdhPJxqwdoquD6CD1t/4vURcXUY094C2cwyZVIZOKx/NGCIbF4xF4jKrwBVk0W6TIG38UReDIw9O+Vu9CfgTfvRCzjbz4MkjNyl MIME-Version: 1.0 X-Received: by 2002:a92:885c:: with SMTP id h89mr22924691ild.16.1590357183712; Sun, 24 May 2020 14:53:03 -0700 (PDT) Date: Sun, 24 May 2020 14:53:03 -0700 In-Reply-To: <000000000000cd404e058c9de28b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000000537605a66be3a8@google.com> Subject: Re: WARNING in dlfb_submit_urb/usb_submit_urb From: syzbot To: andreyknvl@google.com, balbi@kernel.org, corbet@lwn.net, gregkh@linuxfoundation.org, gustavo@embeddedor.com, ingrassia@epigenesys.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this bug to: commit c61769bd4777a922952aed0d042a2572e5bd9b74 Author: Andrey Konovalov Date: Thu May 7 17:06:57 2020 +0000 usb: raw-gadget: support stalling/halting/wedging endpoints bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14add53c100000 start commit: 051143e1 Merge tag 'apparmor-pr-2020-05-21' of git://git.k.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=16add53c100000 console output: https://syzkaller.appspot.com/x/log.txt?x=12add53c100000 kernel config: https://syzkaller.appspot.com/x/.config?x=b3368ce0cc5f5ace dashboard link: https://syzkaller.appspot.com/bug?extid=53ce4a4246d0fe0fee34 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15be3ad6100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1559676e100000 Reported-by: syzbot+53ce4a4246d0fe0fee34@syzkaller.appspotmail.com Fixes: c61769bd4777 ("usb: raw-gadget: support stalling/halting/wedging endpoints") For information about bisection process see: https://goo.gl/tpsmEJ#bisection