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[tor-bugs] #4009 [Vidalia]: Vidalia getting application error on exit in Win7



#4009: Vidalia getting application error on exit in Win7
---------------------+------------------------------------------------------
 Reporter:  erinn    |          Owner:  chiiph
     Type:  defect   |         Status:  new   
 Priority:  normal   |      Milestone:        
Component:  Vidalia  |        Version:        
 Keywords:           |         Parent:        
   Points:           |   Actualpoints:        
---------------------+------------------------------------------------------
 Vidalia 0.2.14 / TBB 2.2.32-4 / Win7 64-bit. We had a user in #tor today
 who reported that sometimes (not every time) he exits TBB, he gets this
 error:

 {{{
 vidalia: vidalia.exe - Application Error
 The instruction at 0x00000000 referenced memory at 0x00000000. The memory
 could not be written.
 Click on OK to terminate the program
 }}}

 Some other people have reported this on the blog, arma says, so I believe
 it is a real issue, though I have thus far been unable to reproduce it.

 Some more information gleaned from his process monitor:

 {{{
 15:26:07.3750548Ividalia.exeI704ICreateFileIC:\Windows\SysWOW64\WerFault.exeISUCCESSIDesired
 Access: Read Attributes, Disposition: Open, Options: Open Reparse
                   Point, Attributes: n/a, ShareMode: Read, Write, Delete,
 AllocationSize: n/a, OpenResult: Opened
 15:26:15.4618375Ividalia.exeI704IProcess ExitIISUCCESSIExit Status:
 -1073741819, User Time: 7.0200450 seconds, Kernel Time: 0.7800050 seconds,
 Private Bytes: 12
                   046 336, Peak Private Bytes: 19 849 216, Working Set: 22
 937 600, Peak Working Set: 30 875 648
 }}}

 Noting the exit status, he pointed me at this page:

 http://stackoverflow.com/questions/901424/programname-exe-exited-with-
 code-1073741819-what-is-the-solution

 Some other points worth mentioning: the user also mentioned that looking
 around for the original error message implied there might be some issues
 with DEP. After looking through my makefiles I note that I build
 everything in TBB with DEP/ASLR except Vidalia (which I'm fixing), so this
 seems possible.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4009>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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