[Bug 1416097] Re: Segmentation fault in /usr/lib/python2.7/dist-packages/sip.so

[Sergey Fedorov]

** Project changed: launchpad => sip4 (Ubuntu)

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Title:
  Segmentation fault in /usr/lib/python2.7/dist-packages/sip.so

Status in sip4 package in Ubuntu:
  New

Bug description:
  I got a segmentation fault when running Anki. Backtrace as follows:
  #0  sip_api_is_py_method (gil=0x7fffffffcdec, pymc=0x193de4e "", sipSelf=0x2c32202c31353520, cname=0x0, mname=0x7ffff26decb2 <sipStrings_QtGui+78514> "changeEvent")
      at /build/buildd/sip4-4.15.5/siplib/siplib.c:8059
  #1  0x00007ffff26b8ce9 in sipQDialog::changeEvent (this=0x193de10, a0=0x7fffffffd140) at sipQtGuipart9.cpp:56529
  #2  0x00007ffff16e456f in QWidget::event (this=this at entry=0x193de10, event=event at entry=0x7fffffffd140) at kernel/qwidget.cpp:8768
  #3  0x00007ffff26ae0ab in sipQDialog::event (this=0x193de10, a0=0x7fffffffd140) at sipQtGuipart9.cpp:56892
  #4  0x00007ffff1694e2c in QApplicationPrivate::notify_helper (this=this at entry=0xa01a60, receiver=receiver at entry=0x193de10, e=e at entry=0x7fffffffd140) at kernel/qapplication.cpp:4567
  #5  0x00007ffff169b4a0 in QApplication::notify (this=this at entry=0xe3ee70, receiver=receiver at entry=0x193de10, e=e at entry=0x7fffffffd140) at kernel/qapplication.cpp:4353
  #6  0x00007ffff26bf186 in sipQApplication::notify (this=0xe3ee70, a0=0x193de10, a1=0x7fffffffd140) at sipQtGuipart9.cpp:36108
  #7  0x00007ffff320d4dd in QCoreApplication::notifyInternal (this=0xe3ee70, receiver=0x193de10, event=event at entry=0x7fffffffd140) at kernel/qcoreapplication.cpp:953
  #8  0x00007ffff1693556 in sendSpontaneousEvent (event=event at entry=0x7fffffffd140, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
  #9  qt_sendSpontaneousEvent (receiver=<optimized out>, event=event at entry=0x7fffffffd140) at kernel/qapplication.cpp:5565
  #10 0x00007ffff16e8862 in QKeyMapper::changeKeyboard () at kernel/qkeymapper.cpp:99
  #11 0x00007ffff170edd5 in QApplication::x11ProcessEvent (this=0xe3ee70, event=event at entry=0x7fffffffd390) at kernel/qapplication_x11.cpp:3468
  #12 0x00007ffff1736b02 in x11EventSourceDispatch (s=0xa02560, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
  #13 0x00007ffff2dd0e04 in g_main_dispatch (context=0xa02370) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3064
  #14 g_main_context_dispatch (context=context at entry=0xa02370) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3663
  #15 0x00007ffff2dd1048 in g_main_context_iterate (context=context at entry=0xa02370, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3734
  #16 0x00007ffff2dd10ec in g_main_context_iteration (context=0xa02370, may_block=1) at /build/buildd/glib2.0-2.40.2/./glib/gmain.c:3795
  #17 0x00007ffff323a7a1 in QEventDispatcherGlib::processEvents (this=0xa02200, flags=...) at kernel/qeventdispatcher_glib.cpp:434
  #18 0x00007ffff1736bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
  #19 0x00007ffff320c0af in QEventLoop::processEvents (this=this at entry=0x7fffffffd760, flags=...) at kernel/qeventloop.cpp:149
  #20 0x00007ffff320c3a5 in QEventLoop::exec (this=this at entry=0x7fffffffd760, flags=...) at kernel/qeventloop.cpp:204
  #21 0x00007ffff3211b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
  #22 0x00007ffff169337c in QApplication::exec () at kernel/qapplication.cpp:3828
  #23 0x00007ffff267b1f0 in meth_QApplication_exec_ (sipArgs=<optimized out>) at sipQtGuipart9.cpp:37979
  #24 0x000000000052c6d5 in PyEval_EvalFrameEx ()
  #25 0x000000000052cf32 in PyEval_EvalFrameEx ()
  #26 0x000000000052cf32 in PyEval_EvalFrameEx ()
  #27 0x000000000055c594 in PyEval_EvalCodeEx ()
  #28 0x00000000005b7392 in PyEval_EvalCode ()
  #29 0x0000000000469663 in ?? ()
  #30 0x00000000004699e3 in PyRun_FileExFlags ()
  #31 0x0000000000469f1c in PyRun_SimpleFileExFlags ()
  #32 0x000000000046ab81 in Py_Main ()
  #33 0x00007ffff7817ec5 in __libc_start_main (main=0x46ac3f <main>, argc=4, argv=0x7fffffffdf38, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffdf28)
      at libc-start.c:287
  #34 0x000000000057497e in _start ()

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