Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp3473101yba; Tue, 16 Apr 2019 12:04:18 -0700 (PDT) X-Google-Smtp-Source: APXvYqz/8KzXIO+PD6qUWbjm6BCd7Da4wRoXggJstyHEJd/8dZBS97QiCF+piqd3oJnYwmgvRxe8 X-Received: by 2002:a17:902:1003:: with SMTP id b3mr81988642pla.306.1555441457999; Tue, 16 Apr 2019 12:04:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1555441457; cv=none; d=google.com; s=arc-20160816; b=apFY2GLQqTu1YJAOVFsvZhpXSZ547UJ/YZgv9mP6FfxtA4LzIiQ3irBLM2QT6g9Mb1 TYWm67et//+8tyakVEwuHtm4Q+Lbh1h4EoLV1jteH/FereaeL2angDCocwZMwNAmlUs/ ol/pAV1t6Ci1KtNakVAnhloBV5BO1stT8WtGOEk+W+OVa5xyUeqxwehB8I8LEkWxz4WD 5AECH/FGrywz783gYtIRduHVenoZ6KB4+3YYhIIX1H43f5UrKuLokZmYTmfTpzM9z3Cl Qn0pQUhi+hBohmuMDOM/0tS5zkM1OwqcwwMMT27Y28+JD3yRO0dIE0Q/TpOdAvecl7tN 42eQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:in-reply-to :date:mime-version; bh=lxKut/HU+wkC7ZEcirpdmi7wbjnE0Dg75ohOiteV7/k=; b=HQgdX+D1V8KCigQqxUYC1EeNcR9jzvYUeFoPPpmQzbB8OzesYmI21InB4SteNw/OXA fkgsfuyb9gcC7RH3zRD8R7QkckIqmTlKNzgKI6D5wkX5VkE3ulhMLcBAkpZ4XOgMWYJP f6QeQ9lcRokGgjxxUX6Up9OTAlKbyzCcbG/RcSXj7VWFqBncry9IB8/13qrm9u3bqvql F843cMmShpdUxxAppLeX3HlXYDxzkRA0DoHobmU0NS+a58hAFpU2iPGc0Sz+ZmhVD4Ol zNPcomgeZLEko8fDByU4Lcxn+DSiU4sbiuiWEF12uhZmMXguD4n7Dvb0uK5cWQTPmpsn phsg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 61si17664096plb.256.2019.04.16.12.04.00; Tue, 16 Apr 2019 12:04:17 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730377AbfDPTDD (ORCPT + 99 others); Tue, 16 Apr 2019 15:03:03 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:33568 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730295AbfDPTDB (ORCPT ); Tue, 16 Apr 2019 15:03:01 -0400 Received: by mail-io1-f72.google.com with SMTP id n15so17560141ioc.0 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=mAChWX6Hy16rzRqAxBzmzWPkTU2AHgov3xk8CwhJ4K7HHEVb8frn2iKuQRfwVKY7pG kfPOhAyLaciBG2NS7ndSwgapJqEMJIdXIhlnOWkW2zeoVJkI17rn9KG9OwUfjlpDH/fB TphNcY7uQ/IKtA92MIdtEdCWHUuMaKXsoLft1+aF8rT7T9mIUn6aKhAH3j+vbFSaz/f8 nRI+1EBxmQ9OogdtrhuxSVkjTLr9ha4koJHdqVtoyjT2BJYtMZkb/S85b4cq6Y9bKb30 VckbSLwL6zq7ENWWHBAn5WPrpG6aDJ8236FQRS1kbSW/JcGXIFt8uymcOlOVs34Md5oz 7vLw== X-Gm-Message-State: APjAAAWBDloPpGw7O7R0uPGQxbmxe+CN1FKkKj8nodyI9S4vKxAwdclf 2ctCw2uBF3SChbxgHyI1rPd0Kh/BedeysDSpBKE2GfeTrmEt 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"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.