https://bugs.documentfoundation.org/show_bug.cgi?id=132622

            Bug ID: 132622
           Summary: Program freeze when using password protected files and
                    Save AutoRecovery information is enabled
           Product: LibreOffice
           Version: 3.4.2 release
          Hardware: x86-64 (AMD64)
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: LibreOffice
          Assignee: libreoffice-bugs@lists.freedesktop.org
          Reporter: xtr806...@xtra.co.nz

Description:
This freeze problem was previously reported as bug 127570 but that report
incorrectly described the problem. The issue has now been correctly identified
as involving password protected files and the Save AutoRecovery information
feature being enabled. With Save Autorecovery enabled, when a password
protected file is edited but the edits not saved, AutoRecovery continuously
writes zero byte empty files to the backup folder until the edited file is
saved. After a time, the backup folder becomes full of these zero byte files
and the program freezes. This has been tested with Calc and with Writer
password protected files. The UserProfile has been reset to factory but the
problem is still there. The problem was evident in several previous version of
LibreOffice. However, the problem does NOT occur in Safe Mode. 

Steps to Reproduce:
1.In Options Load/Save enable Save AutoRecovery information and set the
interval to 1 minute as a test to save waiting time 
2.Create a file and save it with password protection.
3.Edit the file but do not save it.
4.Allow several minutes to pass so the program can start to try to save
Autoreccovery information.
5.Open the specified backup folder and see the zero byte files being created.
This will continue until the file is saved but will start again following any
edits.

Actual Results:
Empty zero byte files are created in an attempt at backup which eventually fill
the backup folder and cause the program to freeze.

Expected Results:
One AutoRecovery file should be created containing usable information. This
should be automatically replaced. 


Reproducible: Always


User Profile Reset: Yes



Additional Info:
[Information automatically included from LibreOffice]
Locale: en-GB
Module: StartModule
OS: Windows 7
OS is 64bit

Version: 6.3.4.2 (x64)
Build ID: 60da17e045e08f1793c57c00ba83cdfce946d0aa
CPU threads: 8; OS: Windows 6.1; UI render: default; VCL: win; 
Locale: en-NZ (en_NZ); UI-Language: en-GB
Calc: CL

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