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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 96049C43381 for ; Wed, 20 Mar 2019 05:21:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F3F52175B for ; Wed, 20 Mar 2019 05:21:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726225AbfCTFVC (ORCPT ); Wed, 20 Mar 2019 01:21:02 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:51555 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726006AbfCTFVB (ORCPT ); Wed, 20 Mar 2019 01:21:01 -0400 Received: by mail-io1-f69.google.com with SMTP id k24so953463ioa.18 for ; Tue, 19 Mar 2019 22:21:01 -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=9geYZ/ETSCiLBquOlYHg+QWiNjA7HTFC/bOSloCl7YY=; b=k08wLXAGdTWENsjBHVsnDu7rQk3d803cQyXDz7QiZrY0F0Lg+wmlSxX73t4ABb2Ftl RDtYwVujl3o+ngmPNn36Rgb93wT8Pih0ugCJHM5cZ+ELLEqha1cmb2zHYxkVxrBni1gB iZnFns5lwEIyKOi5tm93xGjSdB4vpya1LNK9CiZH6cNmYYG+Ad4IU5rI9tnJ3Nv5+B7y j7+eQmjRfuoqmcMdPxQUrt631PPY2de3mslZ0dQMZItNUVfFs6OwZ8gECFB47eZ630ye Rjebfhq1vxV8ulCvZyOdajEkZ5AXFU/mtgfYHdMQENjEeAvLK8AQV0SEU+npbNQQDdP4 zeHg== X-Gm-Message-State: APjAAAWBtA7u96gDrJWsYDZfj/6yNmrF+5sJ/CmIJnLYL/uNCD5HaBsK pWp8gNyGxeS+ZeuMvXx/hjKyZ0N66+Be8DACjMYFaq4LF7d0 X-Google-Smtp-Source: APXvYqzxyB/tyIlqMmbyrMnzb0EyYchghWE2XE+xX5mm26gb1hvIro80qUEQtvO3owxQq9R9omDB0/u1uiynD0Smo6oDpLHycJZJ MIME-Version: 1.0 X-Received: by 2002:a24:ee41:: with SMTP id b62mr1604320iti.11.1553059260850; Tue, 19 Mar 2019 22:21:00 -0700 (PDT) Date: Tue, 19 Mar 2019 22:21:00 -0700 In-Reply-To: <0000000000004f8499057be95e1d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008ee87005847fc985@google.com> Subject: Re: INFO: task hung in vhost_net_stop_vq From: syzbot To: jasowang@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, virtualization@lists.linux-foundation.org, weiyj.lk@gmail.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit 6b1e6cc7855b09a0a9bfa1d9f30172ba366f161c Author: Jason Wang Date: Thu Jun 23 06:04:32 2016 +0000 vhost: new device IOTLB API bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1486ad27200000 start commit: 6b1e6cc7 vhost: new device IOTLB API git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=1686ad27200000 console output: https://syzkaller.appspot.com/x/log.txt?x=1286ad27200000 kernel config: https://syzkaller.appspot.com/x/.config?x=c94f9f0c0363db4b dashboard link: https://syzkaller.appspot.com/bug?extid=d21e6e297322a900c128 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=141db34d400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=108ef293400000 Reported-by: syzbot+d21e6e297322a900c128@syzkaller.appspotmail.com Fixes: 6b1e6cc7 ("vhost: new device IOTLB API")