[Bug 51725] 7-zip 19.0 (up to 21.03) crashes opening Z: or local file system

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51725

--- Comment #6 from Erich E. Hoover  ---
(In reply to Bernhard Übelacker from comment #4)
> ...
> I hope it is ok to loop in Erich?

Yup, you should always feel free to loop me in.

(In reply to Bernhard Übelacker from comment #5)
> ...
> -
>    io->Information = 0;
>    REPARSE_DATA_BUFFER *buffer = (REPARSE_DATA_BUFFER *)out_buffer;
>    status = get_reparse_point( handle, buffer, out_size );
>    break;

Would you mind tweaking this to try setting io->Information to the size of the
buffer?  I believe that a quick tweak of this should be:
buffer->ReparseDataLength + FIELD_OFFSET(typeof(*buffer), GenericReparseBuffer)