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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 02A2BC7EE23 for ; Mon, 8 May 2023 10:39:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234895AbjEHKjj (ORCPT ); Mon, 8 May 2023 06:39:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234888AbjEHKjb (ORCPT ); Mon, 8 May 2023 06:39:31 -0400 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 861EF26E8A for ; Mon, 8 May 2023 03:39:30 -0700 (PDT) Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-33177659771so29189565ab.0 for ; Mon, 08 May 2023 03:39:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683542370; x=1686134370; 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=aRKL9tZpi4KnK16LFwq20APGjAFo6Bbra757/V/O5lY=; b=AgWse+hG27dP3gsw0uNmv6sUykneFrx8ZxWoUf1zeldKAy4zHyWHfVP+WayziBYGHI eNBphlgW2mtcT+Yz4bV51KBJJdxzMXd1rydxer9U6fMhU+cE+lWTSFkUCXgitiofJnCH /Tb8+WCnTnA/CxPrc6vt19tV8PXUfAGbRtI6YL5QKpkevu8fVfp8kTXVonb6cgfFrh3C Nq2YXSkzoKU3QxdQwyF0xbtS8ZA0JbgAilI35pEsvS+GVRUPC6QZFqJ+RCw/z4gh16l5 bQDPQKV2pmJkqapCPyu7Z97ZbWvmm2pfDixeeYBgVuGp48xvAod2zk5KoO4Hf/YuLPm9 QTfQ== X-Gm-Message-State: AC+VfDw/rjgaaP8I8a2fCeL6m4cl8Igrn2v98yZUd/hbF1rFErb+teQd bsoZB/oaAHsJPZRO52gAfy3niUJBfcDyOz8NnKGXYVe42lL/ X-Google-Smtp-Source: ACHHUZ5R05tiug1EyxoId0zrpDco6+skc5wYjCI02L+lDRUgi7VxBky6vQW6yIKh1pV7fSkNoWTj4YS1kF2drO4r19ycP1Z0Kkq7 MIME-Version: 1.0 X-Received: by 2002:a92:4a0a:0:b0:329:5faf:cbc0 with SMTP id m10-20020a924a0a000000b003295fafcbc0mr5456302ilf.2.1683542369901; Mon, 08 May 2023 03:39:29 -0700 (PDT) Date: Mon, 08 May 2023 03:39:29 -0700 In-Reply-To: <0000000000005937d105f24c9809@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ec231605fb2c4056@google.com> Subject: Re: [syzbot] [ext4?] possible deadlock in ext4_xattr_inode_iget 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" 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=1094ee22280000 start commit: 83e5775d7afd Add linux-next specific files for 20230505 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=1294ee22280000 console output: https://syzkaller.appspot.com/x/log.txt?x=1494ee22280000 kernel config: https://syzkaller.appspot.com/x/.config?x=d0c6b4b7069d73cf dashboard link: https://syzkaller.appspot.com/bug?extid=298c5d8fb4a128bc27b0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17b7c75c280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1284b832280000 Reported-by: syzbot+298c5d8fb4a128bc27b0@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