ntdll_winetest:file test page faults in open_file_test

Created an attachment (id=5858)
debug log with backtrace, r.50904

Tested on Vbox 4.0.4, rev 50904. To reproduce, run ntdll:file test. Debug log with backtrace attached.

The code in question:

/* try open by file id */

while (!pNtQueryDirectoryFile( dir, NULL, NULL, NULL, &io, data, sizeof(data),
FileIdBothDirectoryInformation, TRUE, NULL, restart ))
{
FILE_ID_BOTH_DIRECTORY_INFORMATION *info = (FILE_ID_BOTH_DIRECTORY_INFORMATION *)data;

restart = FALSE;

if (!info->FileId.QuadPart) continue;

[330] nameW.Buffer = (WCHAR *)&info->FileId;
[331] nameW.Length = sizeof(info->FileId);
[332] info->FileName[info->FileNameLength/sizeof(WCHAR)] = 0;