[Bug 43644] New: Disk free space incorrect on file systems with more than 2TB free

https://bugs.winehq.org/show_bug.cgi?id=43644

Bug ID: 43644
           Summary: Disk free space incorrect on file systems with more
                    than 2TB free
           Product: Wine
           Version: 2.0.2
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: kernel32
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 59070
  --> https://bugs.winehq.org/attachment.cgi?id=59070
cmd.exe from Windows 7 and Wine facing a large volume

Wine reports an absurdly inaccurate free space count on file systems with more
than 2TB free on them (possibly an overflow issue?), and certain applications
such as Steam believe there is insufficient space for them to update or
install.

Windows 7 at least is OK with these large volumes and Steam operates correctly
on them.  Wine should match behavior.

Attaching screenshots of the Windows and Wine consoles.  In the Wine example, I
made a ZFS file system and first set the quota to 2048G (this is the maximum
size reported on Unix for the FS), and then to 2049G.  In this example, 2049G
free made Wine report over 4EB!  On an unquota'd file system, I have around 3TB
free and Wine reports 17EB instead.