linux-kernel - Re: WARNING: filesystem loop0 was created with 512 inodes, the real maximum is 511, mounting anyway

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Date:   Mon, 28 Sep 2020 09:51:46 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+54b10a5da9e59f1ed979@...kaller.appspotmail.com>,
        Tigran Aivazian <aivazian.tigran@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: WARNING: filesystem loop0 was created with 512 inodes, the real
 maximum is 511, mounting anyway

On Mon, Sep 28, 2020 at 9:48 AM syzbot
<syzbot+54b10a5da9e59f1ed979@...kaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:    c9c9e6a4 Merge tag 'trace-v5.9-rc5-2' of git://git.kernel...
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=12e98c8d900000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=5f4c828c9e3cef97
> dashboard link: https://syzkaller.appspot.com/bug?extid=54b10a5da9e59f1ed979
> compiler:       gcc (GCC) 10.1.0-syz 20200507
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=150881c3900000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1605b927900000
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+54b10a5da9e59f1ed979@...kaller.appspotmail.com
>
> BFS-fs: bfs_fill_super(): WARNING: filesystem loop0 was created with 512 inodes, the real maximum is 511, mounting anyway

This looks like a BFS issue. +BFS maintainers.

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