"du" reporting incorrect precision e.g. terabytes when size is gigabytes

[neilgolden]

Windows build number: 10.0.15063

What's happening:

du is reporting three additional digits of precision, and incorrect units with -h, e.g. "T" for sizes in gigabytes

owner@Owner-PC:/mnt/c/Users/Owner/VirtualBox VMs$ du *
512003  Arch/Logs
0       Arch/Snapshots
2763520005      Arch
411651  Debian 8/Logs
157685761       Debian 8/Snapshots
8495859718      Debian 8

owner@Owner-PC:/mnt/c/Users/Owner/VirtualBox VMs$ du -h *
501M    Arch/Logs
0       Arch/Snapshots
2.6T    Arch
403M    Debian 8/Logs
151G    Debian 8/Snapshots
8.0T    Debian 8

owner@Owner-PC:/mnt/c/Users/Owner/VirtualBox VMs$ df -h
Filesystem      Size  Used Avail Use% Mounted on
rootfs          232G  195G   37G  85% /
data            232G  195G   37G  85% /data
[...]

owner@Owner-PC:/mnt/c/Users/Owner/VirtualBox VMs$ du --version
du (GNU coreutils) 8.25

• What should be happening:

Behavior of Cygwin64 for comparison:

Owner@Owner-PC /cygdrive/c/Users/Owner/VirtualBox VMs
$ du *
1000    Arch/Logs
0       Arch/Snapshots
5397500 Arch
804     Debian 8/Logs
307980  Debian 8/Snapshots
16593476        Debian 8

Owner@Owner-PC /cygdrive/c/Users/Owner/VirtualBox VMs
$ du -h *
1000K   Arch/Logs
0       Arch/Snapshots
5.2G    Arch
804K    Debian 8/Logs
301M    Debian 8/Snapshots
16G     Debian 8

Owner@Owner-PC /cygdrive/c/Users/Owner/VirtualBox VMs
$ df -h
Filesystem      Size  Used Avail Use% Mounted on
C:/cygwin64     232G  195G   37G  85% /

Owner@Owner-PC /cygdrive/c/Users/Owner/VirtualBox VMs
$ du --version
du (GNU coreutils) 8.26
Packaged by Cygwin (8.26-2)

[benhillis]

This looks like a duplicate of #1894.

[neilgolden]

Thank you!

[toastyghost]

+1, was quite confused as to how my storage drive's capacity reached such magnitudes with no noticeable quality gain