WARNING: filesystem loop2 was created with 512 inodes, the real maximum is 511, mounting anyway

WARNING: filesystem loop2 was created with 512 inodes, the real maximum is 511, mounting anyway

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit:    09162bc3 Linux 5.10-rc4
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16e9a486500000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e93bbe4ce29223b
dashboard link: https://syzkaller.appspot.com/bug?extid=ae3ff0bb2a0133596a5b
compiler:       clang version 11.0.0 (https://github.com/llvm/llvm-project.git ca2dcbd030eadbf0aa9b660efe864ff08af6e18b)

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ae3ff0bb2a0133596a5b@syzkaller.appspotmail.com

BFS-fs: bfs_fill_super(): WARNING: filesystem loop2 was created with 512 inodes, the real maximum is 511, mounting anyway
BFS-fs: bfs_fill_super(): Last block not available on loop2: 1507328
BFS-fs: bfs_fill_super(): WARNING: filesystem loop2 was created with 512 inodes, the real maximum is 511, mounting anyway
BFS-fs: bfs_fill_super(): Last block not available on loop2: 1507328


---
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Re: WARNING: filesystem loop2 was created with 512 inodes, the real maximum is 511, mounting anyway

[Dmitry Vyukov]

#syz fix: bfs: don't use WARNING: string when it's just info.

On Sat, Nov 21, 2020 at 8:33 AM syzbot
<syzbot+ae3ff0bb2a0133596a5b@syzkaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:    09162bc3 Linux 5.10-rc4
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=16e9a486500000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e93bbe4ce29223b
> dashboard link: https://syzkaller.appspot.com/bug?extid=ae3ff0bb2a0133596a5b
> compiler:       clang version 11.0.0 (https://github.com/llvm/llvm-project.git ca2dcbd030eadbf0aa9b660efe864ff08af6e18b)
>
> Unfortunately, I don't have any reproducer for this issue yet.
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+ae3ff0bb2a0133596a5b@syzkaller.appspotmail.com
>
> BFS-fs: bfs_fill_super(): WARNING: filesystem loop2 was created with 512 inodes, the real maximum is 511, mounting anyway
> BFS-fs: bfs_fill_super(): Last block not available on loop2: 1507328
> BFS-fs: bfs_fill_super(): WARNING: filesystem loop2 was created with 512 inodes, the real maximum is 511, mounting anyway
> BFS-fs: bfs_fill_super(): Last block not available on loop2: 1507328
>
>
> ---
> This report is generated by a bot. It may contain errors.
> See https://goo.gl/tpsmEJ for more information about syzbot.
> syzbot engineers can be reached at syzkaller@googlegroups.com.
>
> syzbot will keep track of this issue. See:
> https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
>
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