[Mono-bugs] [Bug 683475] New: Weird behavior / crash with System.NullReferenceException: Object reference not set to an instance of an object

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=683475

https://bugzilla.novell.com/show_bug.cgi?id=683475#c0


           Summary: Weird behavior / crash with
                    System.NullReferenceException: Object reference not
                    set to an instance of an object
    Classification: Mono
           Product: Mono: Runtime
           Version: SVN
          Platform: x86
        OS/Version: Ubuntu
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: misc
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: refic at psimerion.org
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


Created an attachment (id=421955)
 --> (http://bugzilla.novell.com/attachment.cgi?id=421955)
Example behavior / crashing

User-Agent:       Mozilla/5.0 (X11; Linux x86_64; rv:2.0) Gecko/20100101
Firefox/4.0

The content analyzer / archiver of the program MJ12node
(http://www.majestic12.co.uk) has sometimes very weird behavior with the data
it has downloaded and then tries to analyze. It also causes the program to
crash sometimes, usually when using sgen.

I'll attach a text file showing a couple of examples. I also have a testcase
for you, but it expects to find itself from /home/user1/mj12/7/ - couldn't find
a way to change this, very sorry about it.

Mono version used: Mono JIT compiler version 2.11 (master/d39e3b2 Tue Mar 29
17:28:39 EEST 2011)

Please let me know if I can help you any way!


Reproducible: Always

Steps to Reproduce:
1. Download http://refic.psimerion.org/crash.tar (~80MB)
2. Extract to /home/user1/mj12/
3. Make sure MJ12barMono.exe is in /home/user1/mj12/7/
4. Run mono MJ12barMono.exe tmp/bar.tmp
Actual Results:  
The problem I described above.

Expected Results:  
The program should have finished without errors or crashes.

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