Received: by 2002:a05:6a10:7420:0:0:0:0 with SMTP id hk32csp4417107pxb; Mon, 21 Feb 2022 20:58:04 -0800 (PST) X-Google-Smtp-Source: ABdhPJzztZ8Ai4ORgz2xquH7iaxkCLaT2zmpAvBZuwVfeu79lGNibSUhy5c7fLMS0v44rnl/2gf+ X-Received: by 2002:a17:90a:1656:b0:1bb:f715:5606 with SMTP id x22-20020a17090a165600b001bbf7155606mr2281152pje.221.1645505884151; Mon, 21 Feb 2022 20:58:04 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1645505884; cv=none; d=google.com; s=arc-20160816; b=g79nTpbFwmceb5wpDrn6biripwfbF+6UCjl8UWA1Bz+4HZeyeol44qwXTvAAQF3Gim WC+KEkJHNdz0x11PhG/0yQZ15z5Jf6MeuumpodLdvIlUuNj6F4SlL9/MxtJAoUtCmRxH rDu0PIigkAABgTQ2u/wcBI+2LUML1NECbjMi2TNIPbRy+KFGCRy2UYG2JVpyCz10CdIo qZNZ7a6AZKnkN2riSGgvNixdWRfNuAUzoegpfp3yFmGBUUyT4tQag9rAKoUmjrasSPAp UWyUuJMEH3bIScTduQAxFNtN1GFJBjQmi0hmDh8OgvvvvpOxvkuwlWSTsXIAhvCVJ7R+ EtLA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:to:from:subject:message-id:in-reply-to:date :mime-version; bh=UXuZuAFf06AjNDv96AIjaTSOnvpwB56946KWBbv5zI8=; b=GoiVuIU8jJmQcN7PW93n9EZ/Ol+AG8A0ANHWjmsxXesCsztHtpD1kWNBEhNVWA/IUB +x4N7rqgXu+b4mt1bndbHWn9D3YhqldfIOkK2UITNaNXvDRVJfkgJ77JXptePxbyXOS4 L1CRTzZ/a1dhzf2nRZJkqkaRXEphTgCuKhAutaeaP7NTC/SO6wWTzsIbnRqo9pv+oTWF 6p0s5lWbTeAHr7nhDzHl9z5AAIMDUAbFcSoP0IMfZcXP43CKzfQ9e9CTUHDMEcUe+Yiv nHvS6DFXZmNVoHhv3s9KlpVNZSzg2Qp5VdUAKg0GIV8VgWdfH4Z2gFqg2VcXH48KbcAo tMiw== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 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 lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [23.128.96.19]) by mx.google.com with ESMTPS id s7si19124336pgs.702.2022.02.21.20.58.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Feb 2022 20:58:04 -0800 (PST) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B1C5243ED9; Mon, 21 Feb 2022 20:35:07 -0800 (PST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350453AbiBUOhc (ORCPT + 99 others); Mon, 21 Feb 2022 09:37:32 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:49550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356282AbiBUOha (ORCPT ); Mon, 21 Feb 2022 09:37:30 -0500 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 458AD1EEF9 for ; Mon, 21 Feb 2022 06:37:07 -0800 (PST) Received: by mail-io1-f70.google.com with SMTP id n5-20020a5e8c05000000b00640d0a712d3so3465392ioj.1 for ; Mon, 21 Feb 2022 06:37:07 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=UXuZuAFf06AjNDv96AIjaTSOnvpwB56946KWBbv5zI8=; b=FO/IhiZOnLRJP6zdUEbcapOi26HjW2M7LrYWUrzKAbHQAoPGM+Wg3FB4erxWrSrDSM 7uxR1InFa5EB1gI0nNSoEIQjTPm05QsL0yv2kCVb/hIOl6OG8v5pYlJP6ZBsguWLR6aI YS53w85jha5/asZj7yCuzkLdP7rPJC2feoBBzifSzHdPsAqQJJ5qEn+BfpD5fSKQFvmw tC7neX/QpXOKAsFMr1oXheie1JY8XQssfsQsxzvychwzYAKSS7Vh24TAZ+dHzourVlsg /xd/ned0is6EgJcR6HcHwQcXN7uLupNXwNFPRmTp329U8ccKmw60X/+taIi8HPmtyajG MxTw== X-Gm-Message-State: AOAM5335CogynE4HbFXsFSigv9Rbd2JIykYArAOjEdLKsi28gQz+RIVg C9WwlxoP+HyQ9/3oUDWE7MCN/JZJPHDa9QDm6DHTrOrbcIh8 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d86:b0:2bd:ef9f:cfa6 with SMTP id h6-20020a056e021d8600b002bdef9fcfa6mr16231349ila.314.1645454226686; Mon, 21 Feb 2022 06:37:06 -0800 (PST) Date: Mon, 21 Feb 2022 06:37:06 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ad0c4005d8882aa8@google.com> Subject: Re: [syzbot] INFO: task hung in vhost_work_dev_flush From: syzbot To: jasowang@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, netdev@vger.kernel.org, sgarzare@redhat.com, syzkaller-bugs@googlegroups.com, virtualization@lists.linux-foundation.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.6 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SORTED_RECIPS,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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 any issue: Reported-and-tested-by: syzbot+0abd373e2e50d704db87@syzkaller.appspotmail.com Tested on: commit: f71077a4 Merge tag 'mmc-v5.17-rc1-2' of git://git.kern.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ kernel config: https://syzkaller.appspot.com/x/.config?x=a78b064590b9f912 dashboard link: https://syzkaller.appspot.com/bug?extid=0abd373e2e50d704db87 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=1502488e700000 Note: testing is done by a robot and is best-effort only.