[tor-bugs] #3171 [Vidalia]: Vidalia 0.3.0: Segfault when restarting Tor without starting it first

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#3171: Vidalia 0.3.0: Segfault when restarting Tor without starting it first
---------------------+------------------------------------------------------
 Reporter:  fk       |          Owner:  chiiph
     Type:  defect   |         Status:  new   
 Priority:  normal   |      Milestone:        
Component:  Vidalia  |        Version:        
 Keywords:  Vidalia  |         Parent:        
   Points:           |   Actualpoints:        
---------------------+------------------------------------------------------
 The menu entry Tor/Restart causes a segfault when
 Vidalia isn't actually connected to Tor:
 {{{
 (gdb) r
 Starting program: /usr/local/bin/vidalia --loglevel notice
 [New LWP 100689]
 [New Thread 805807400 (LWP 100689/initial thread)]
 May 13 17:23:10.057 [notice] Resetting UI translation to English default.
 May 13 17:23:10.399 [notice] Vidalia 0.3.0 using Qt 4.7.2
 May 13 17:23:11.397 [notice] QtWarningMsg: QSystemTrayIcon::setVisible: No
 Icon set
 May 13 17:23:11.428 [notice] QtWarningMsg: Application asked to unregister
 timer 0x3600000b which is not registered in this thread. Fix application.
 [New Thread 805809000 (LWP 100942/vidalia)]

 Program received signal SIGSEGV, Segmentation fault.
 [Switching to Thread 805807400 (LWP 100689/initial thread)]
 0x0000000802614723 in QString::operator= (this=0x0, other=@0x7fffffffacd0)
 at tools/qstring.cpp:1358
 1358    tools/qstring.cpp: No such file or directory.
         in tools/qstring.cpp
 (gdb) where
 !#0  0x0000000802614723 in QString::operator= (this=0x0,
 other=@0x7fffffffacd0) at tools/qstring.cpp:1358
 !#1  0x0000000000511e85 in TorControl::stop (this=0x805896ac0, errmsg=0x0)
 at /usr/obj/usr/ports/net-mgmt/vidalia-
 devel/work/vidalia-0.3.0/src/torcontrol/TorControl.cpp:137
 !#2  0x00000000004a48be in MainWindow::restart (this=0x7fffffffd100) at
 /usr/obj/usr/ports/net-mgmt/vidalia-
 devel/work/vidalia-0.3.0/src/vidalia/MainWindow.cpp:1406
 !#3  0x00000000004b0fad in MainWindow::qt_metacall (this=0x7fffffffd100,
 _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7fffffffaf50)
     at /usr/obj/usr/ports/net-mgmt/vidalia-
 devel/work/vidalia-0.3.0/src/vidalia/moc_MainWindow.cxx:144
 !#4  0x00000008026f28d2 in QMetaObject::metacall (object=0x7fffffffd100,
 cl=QMetaObject::InvokeMetaMethod, idx=37, argv=0x7fffffffaf50) at
 kernel/qmetaobject.cpp:237
 !#5  0x00000008027081fd in QMetaObject::activate (sender=0x805a8bc00,
 m=0x801e2c9a0, local_signal_index=1, argv=0x7fffffffaf50) at
 kernel/qobject.cpp:3278
 !#6  0x00000008010a9991 in QAction::triggered (this=0x805a8bc00,
 _t1=false) at moc_qaction.cpp:263
 !#7  0x00000008010ab5ac in QAction::activate (this=0x805a8bc00,
 event=QAction::Trigger) at kernel/qaction.cpp:1257
 [...]
 }}}

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/3171>
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