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 2BB5AC7EE23 for ; Sun, 14 May 2023 19:24:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234322AbjENTYf (ORCPT ); Sun, 14 May 2023 15:24:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229942AbjENTYe (ORCPT ); Sun, 14 May 2023 15:24:34 -0400 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4845EE61 for ; Sun, 14 May 2023 12:24:33 -0700 (PDT) Received: by mail-io1-f72.google.com with SMTP id ca18e2360f4ac-7636c775952so805766139f.2 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=NdAbU5/sGQtOyLo7bjpoD2oCETN9o1rFTVn+yVMchgG1KFkuB8kLfLaCYjueS7sxRK U88ZvOLHQ3K8pvFh1MQvHgym0mQejAoqYrl70caRRpPLs8In7IsCRSJH5/zmZZSwiIUK ja76WRD0ua4fsiy92IMcfEg6jYihLMdNjD2ug1OwquxSnjSr8KlbEppPkJIJszgGnVzS Ih739S8OG6Z+luG1W7El2hMDyL2PaC2lZ8ge3ymJtzs7IeSNTxH/ZMUqBPZGMxagZjcN sXiyXNuECVX0HLLavMvLrIh5P+Vr9z4ixsoMH1tEUT91O04mew3oH8Khp6sjDrzdsE/q 2OnQ== X-Gm-Message-State: AC+VfDz3ihhaVBlOe2YK2BfIkAVBDHWUHSYmf+CngVbBN/Ax7CCmGuPX AHZnHJpRVBfaqSlblL3bD79j7j+cmZq7+B2pcaX4AJYScgxW X-Google-Smtp-Source: ACHHUZ5Y0vzpnp4+DPbYi+I26fxuBeilv3DJXiAqkOqpAKAHbMzQZER1iFukjU83QXz+KdpegjrEexw9ctomDvJw8rYHPH5mvr6Z 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" Precedence: bulk List-ID: X-Mailing-List: linux-ext4@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