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[2620:137:e000::1:20]) by mx.google.com with ESMTP id il11-20020a17090b164b00b0024be0f71516si4728866pjb.69.2023.05.14.12.36.44; Sun, 14 May 2023 12:36:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 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 S233939AbjENTYf (ORCPT + 99 others); Sun, 14 May 2023 15:24:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46394 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229800AbjENTYe (ORCPT ); Sun, 14 May 2023 15:24:34 -0400 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 18426E60 for ; Sun, 14 May 2023 12:24:33 -0700 (PDT) Received: by mail-io1-f69.google.com with SMTP id ca18e2360f4ac-76c56d109efso460199039f.0 for ; Sun, 14 May 2023 12:24:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684092272; x=1686684272; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=gHW0nI6H2FcFpSl0aYh5htCNfRJ7yLNtk6GzE1OYBpI=; b=NGcL5djiqlEBTcGMKhBfDZGashOByDxcoqJXDjgGZqi4MGx5Vb4roUPiQ/Ohd+EtQM yauy3x8u4eMLUOZ5YgmYum5BezzJQRzF+luzYBoUClw4dg9o8U3Y1sMXIs6oc5goAnoC 18poS/L19ECPUqOVoSnecTmAwqhjvR+AjMs3h3PCqKxU+xt16YXMk5s0Y+LtOyXLjiDF 3MrUUjt4vnUj0y0YcxICAGGLOEMNSD7kxxcSF68u1y2oVYEoqs2jgN29+QuUzsSaKiwh XtRhJdDpngaZ5fjOMnPLt2BFI/w7lk+05quFGbikK6zwEKHdrI+DfHrGsAWt5GxUtwoi iWNw== X-Gm-Message-State: AC+VfDzTiwDEztO/aKofD5aJmlXkOEMHXbFopPR62OCpkxXHfPTRgzvK qH5/bGm2a0EYRQblRNupEf0NqVtjyv7mAGyQ0rijewOtQYor MIME-Version: 1.0 X-Received: by 2002:a5d:9852:0:b0:766:655b:37a3 with SMTP id p18-20020a5d9852000000b00766655b37a3mr14007740ios.4.1684092272324; Sun, 14 May 2023 12:24:32 -0700 (PDT) Date: Sun, 14 May 2023 12:24:32 -0700 In-Reply-To: <000000000000a74de505f2349eb1@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a9377e05fbac4945@google.com> Subject: Re: [syzbot] [ext4?] possible deadlock in ext4_setattr From: syzbot To: adilger.kernel@dilger.ca, elic@nvidia.com, jasowang@redhat.com, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, parav@nvidia.com, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS,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 syzbot has bisected this issue to: commit a3c06ae158dd6fa8336157c31d9234689d068d02 Author: Parav Pandit Date: Tue Jan 5 10:32:03 2021 +0000 vdpa_sim_net: Add support for user supported devices bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16e372c6280000 start commit: e922ba281a8d Add linux-next specific files for 20230512 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=15e372c6280000 console output: https://syzkaller.appspot.com/x/log.txt?x=11e372c6280000 kernel config: https://syzkaller.appspot.com/x/.config?x=17a4c2d44484b62f dashboard link: https://syzkaller.appspot.com/bug?extid=cbb68193bdb95af4340a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=172a21c6280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16b67fc6280000 Reported-by: syzbot+cbb68193bdb95af4340a@syzkaller.appspotmail.com Fixes: a3c06ae158dd ("vdpa_sim_net: Add support for user supported devices") For information about bisection process see: https://goo.gl/tpsmEJ#bisection