Re: [PATCH 1/3] ext4: sanity check the block and cluster size at mount time

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On Sat, Nov 19, 2016 at 01:25:58AM +0200, Nikolay Borisov wrote:
> > Can you double check your test?
> 
> I will. And as I said i'm testing 4.9-rc4 from Linus' tree with only
> those patches applied.
> 

I just tested v4.9-rc4 with just the critical patch.  See the test-fix
branch on ext4.git on kernel.org:

% git log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr)%Creset' --abbrev-commit -2
* e7d56cc34f5d - (HEAD -> test-fix) ext4: sanity check the block and cluster size at mount time (13 minutes ago)
* bc33b0ca11e3 - (tag: v4.9-rc4) Linux 4.9-rc4 (13 days ago)

It's not reproing for me:

% kvm-xfstests shell
Networking disabled.
[    5.202323] systemd-fsck[1353]: /dev/vda: clean, 10882/65536 files, 73964/262144 blocks
[    5.645642] systemd-fsck[2397]: /dev/vdg: recovering journal
[    5.660848] systemd-fsck[2397]: /dev/vdg: clean, 50/65536 files, 12993/262144 blocks

Debian GNU/Linux 8 kvm-xfstests ttyS0

kvm-xfstests login: root (automatic login)

Last login: Fri Nov 18 21:34:51 EST 2016 on ttyS3
uLinux kvm-xfstests 4.9.0-rc4-00001-ge7d56cc34f5d #66 SMP Fri Nov 18 21:25:00 EST 2016 i686

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
root@kvm-xfstests:~# uname -a
Linux kvm-xfstests 4.9.0-rc4-00001-ge7d56cc34f5d #66 SMP Fri Nov 18 21:25:00 EST 2016 i686 GNU/Linux
root@kvm-xfstests:~# dmesg -n 7
root@kvm-xfstests:~# mount /vdb
[   13.241090] EXT4-fs (vdb): recovery complete
[   13.250367] EXT4-fs (vdb): mounted filesystem with ordered data mode. Opts: (null)
root@kvm-xfstests:~# md5sum /vdb/OSS-2016-23-image 
f05e467ff6674a6b469a3b86c972dafa  /vdb/OSS-2016-23-image
root@kvm-xfstests:~# mount -o loop,ro /vdb/OSS-2016-23-image /mnt
[   36.160416] EXT4-fs (loop0): Unrecognized mount option "" or missing value
[   36.170298] EXT4-fs (loop0): failed to parse options in superblock: 
[   36.177737] EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support!
[   36.183217] EXT4-fs (loop0): Invalid log block size: 4286906368
mount: wrong fs type, bad option, bad superblock on /dev/loop0,
       missing codepage or helper program, or other error

       In some cases useful info is found in syslog - try
       dmesg | tail or so.
root@kvm-xfstests:~# QEMU: Terminated

							- Ted
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