Thread 1 (Thread 0x7f514dee9700 (LWP 7586)):
#0  0x00007f514d73e418 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
        resultvar = 0
        pid = 7586
        selftid = 7586
#1  0x00007f514d74001a in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x3232343530382032, sa_sigaction = 0x3232343530382032}, sa_mask = {__val = {2314885530818453536, 2314885530818453536, 7596498486491619360, 3762299225194901346, 7434731005617466413, 3328772983915246958, 7365367189377790770, 3473737003423772981, 3760845876959719472, 2319406791721576036, 3472328228581767026, 4048771456345060914, 3761966081354379322, 2314885530818458162, 2314885530818453536, 3395749441387372576}}, sa_flags = 794978668, sa_restorer = 0x47}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f514d78072a in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f514d8996b0 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
        ap = <error reading variable ap (Attempt to dereference a generic pointer.)>
        fd = 3
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f514d788f4a in malloc_printerr (ar_ptr=<optimized out>, ptr=<optimized out>, str=0x7f514d89648f "free(): invalid pointer", action=3) at malloc.c:5007
        buf = "00000000027d79e0"
        cp = <optimized out>
        ar_ptr = <optimized out>
        str = 0x7f514d89648f "free(): invalid pointer"
        action = 3
#4  _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3868
        size = <optimized out>
        fb = <optimized out>
        nextchunk = <optimized out>
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        errstr = <optimized out>
        locked = <optimized out>
#5  0x00007f514d78cabc in __GI___libc_free (mem=<optimized out>) at malloc.c:2969
        ar_ptr = <optimized out>
        p = <optimized out>
        hook = <optimized out>
#6  0x00007f514b8ef80d in Shiboken::Object::deallocData (self=0x7f5147673830, cleanup=true) at /../pyside-setup/sources/shiboken2/libshiboken/basewrapper.cpp:1277
No locals.
#7  0x00007f514b8ec095 in SbkDeallocWrapperCommon (pyObj=0x7f5147673830, canDelete=true) at /../pyside-setup/sources/shiboken2/libshiboken/basewrapper.cpp:246
        sbkObj = 0x7f5147673830
        pyType = 0x7f514c950680 <Sbk_QObject_Type>
        needTypeDecref = true
#8  0x00007f514b8ec145 in SbkDeallocWrapper (pyObj=0x7f5147673830) at /../pyside-setup/sources/shiboken2/libshiboken/basewrapper.cpp:255
No locals.
#9  0x00000000004c31ec in PyEval_EvalCodeEx ()
No symbol table info available.
#10 0x00000000004ded4e in ?? ()
No symbol table info available.
#11 0x00000000004b1153 in PyObject_Call ()
No symbol table info available.
#12 0x00000000004ce940 in PyEval_CallObjectWithKeywords ()
No symbol table info available.
#13 0x00007f514c0e7a20 in PySide::SignalManager::callPythonMetaMethod (method=..., args=0x7ffd623d4650, pyMethod=0x7f514dd92758, isShortCuit=false) at /../pyside-setup/pyside_build/py2.7-qt5.6.2-64bit-debug/pyside2/libpyside/signalmanager.cpp:556
        retConverter = 0x0
        returnType = 0x0
        retval = {m_pyObj = 0x7f514b6a9350 <QListData::shared_null>}
        gil = {m_gstate = PyGILState_LOCKED, m_locked = true}
        pyArguments = 0x7f514dea8050
#14 0x00007f514c0ef943 in PySide::GlobalReceiverV2::qt_metacall (this=0x27d7710, call=QMetaObject::InvokeMetaMethod, id=6, args=0x7ffd623d4650) at /../pyside-setup/sources/pyside2/libpyside/globalreceiverv2.cpp:306
        isShortCuit = false
        callback = {m_pyObj = 0x7f514dd92758}
        gil = {m_gstate = PyGILState_UNLOCKED, m_locked = true}
        slot = {mobj = 0x27d7720, handle = 19}
#15 0x00007f514b5b3ddb in QMetaObject::metacall (object=0x27d7710, cl=QMetaObject::InvokeMetaMethod, idx=6, argv=0x7ffd623d4650) at kernel/qmetaobject.cpp:295
No locals.
#16 0x00007f514b5ef459 in QMetaObject::activate (sender=0x26d5e10, signalOffset=0, local_signal_index=0, argv=0x7ffd623d4650) at kernel/qobject.cpp:3745
        method = 6
        receiverInSameThread = true
        sw = {receiver = 0x27d7710, previousSender = 0x0, currentSender = {sender = 0x26d5e10, signal = 0, ref = 1}, switched = true}
        callFunction = 0x0
        receiver = 0x27d7710
        method_relative = 6
        c = 0x277c1d0
        last = 0x27b83e0
        locker = {val = 139987136621648}
        connectionLists = {connectionLists = 0x27a2dd0}
        list = 0x2758808
        signal_index = 0
        empty_argv = {0x0}
        currentThreadId = 0x7f514dee9700
        __PRETTY_FUNCTION__ = "static void QMetaObject::activate(QObject*, int, int, void**)"
#17 0x00007f514b5eeb68 in QMetaObject::activate (sender=0x26d5e10, m=0x7f514b8c3640 <QObject::staticMetaObject>, local_signal_index=0, argv=0x7ffd623d4650) at kernel/qobject.cpp:3595
No locals.
#18 0x00007f514b5f2384 in QObject::destroyed (this=0x26d5e10, _t1=0x26d5e10) at .moc/moc_qobject.cpp:216
        _a = {0x0, 0x7ffd623d4640}
#19 0x00007f514b5e7b4d in QObject::~QObject (this=0x26d5e10, __in_chrg=<optimized out>) at kernel/qobject.cpp:913
        d = 0x2795740
        sharedRefcount = 0x0
        __PRETTY_FUNCTION__ = "virtual QObject::~QObject()"
#20 0x00007f514c4ee99f in QObjectWrapper::~QObjectWrapper (this=0x26d5e10, __in_chrg=<optimized out>) at /../pyside-setup/pyside_build/py2.7-qt5.6.2-64bit-debug/pyside2/PySide2/QtCore/PySide2/QtCore/qobject_wrapper.cpp:528
No locals.
#21 0x00007f514c4ee9f0 in QObjectWrapper::~QObjectWrapper (this=0x26d5e10, __in_chrg=<optimized out>) at /../pyside-setup/pyside_build/py2.7-qt5.6.2-64bit-debug/pyside2/PySide2/QtCore/PySide2/QtCore/qobject_wrapper.cpp:532
No locals.
#22 0x00007f514c4f70b5 in Shiboken::callCppDestructor<QObject> (cptr=0x26d5e10) at /../pyside-setup/pyside_install/py2.7-qt5.6.2-64bit-debug/include/shiboken2/basewrapper.h:108
No locals.
#23 0x00007f514b8ec076 in SbkDeallocWrapperCommon (pyObj=0x7f5147673830, canDelete=true) at /../pyside-setup/sources/shiboken2/libshiboken/basewrapper.cpp:243
        cptr = 0x26d5e10
        threadSaver = {m_threadState = 0x256e0a0}
        sbkType = 0x7f514c950680 <Sbk_QObject_Type>
        sbkObj = 0x7f5147673830
        pyType = 0x7f514c950680 <Sbk_QObject_Type>
        needTypeDecref = true
#24 0x00007f514b8ec145 in SbkDeallocWrapper (pyObj=0x7f5147673830) at /../pyside-setup/sources/shiboken2/libshiboken/basewrapper.cpp:255
No locals.
#25 0x00000000004b5964 in ?? ()
No symbol table info available.
#26 0x00000000004d9bba in ?? ()
No symbol table info available.
#27 0x00007f514c0eee0b in PySide::DynamicSlotDataV2::~DynamicSlotDataV2 (this=0x27b9100, __in_chrg=<optimized out>) at /../pyside-setup/sources/pyside2/libpyside/globalreceiverv2.cpp:173
        gil = {m_gstate = PyGILState_LOCKED, m_locked = true}
#28 0x00007f514c0ef108 in PySide::GlobalReceiverV2::~GlobalReceiverV2 (this=0x27d7710, __in_chrg=<optimized out>) at /../pyside-setup/sources/pyside2/libpyside/globalreceiverv2.cpp:199
No locals.
#29 0x00007f514c0ef200 in PySide::GlobalReceiverV2::~GlobalReceiverV2 (this=0x27d7710, __in_chrg=<optimized out>) at /../pyside-setup/sources/pyside2/libpyside/globalreceiverv2.cpp:200
No locals.
#30 0x00007f514c0e9d48 in qDeleteAll<QList<PySide::GlobalReceiverV2*>::const_iterator> (begin=..., end=...) at /depot/fkleint/qt-56/qtbase/src/corelib/tools/qalgorithms.h:317
No locals.
#31 0x00007f514c0e924c in qDeleteAll<QList<PySide::GlobalReceiverV2*> > (c=...) at /depot/fkleint/qt-56/qtbase/src/corelib/tools/qalgorithms.h:325
No locals.
#32 0x00007f514c0e8bf2 in PySide::SignalManager::SignalManagerPrivate::~SignalManagerPrivate (this=0x273e650, __in_chrg=<optimized out>) at /../pyside-setup/pyside_build/py2.7-qt5.6.2-64bit-debug/pyside2/libpyside/signalmanager.cpp:241
        values = {<QListSpecialMethods<PySide::GlobalReceiverV2*>> = {<No data fields>}, {p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0x2795850}, d = 0x2795850}}
#33 0x00007f514c0e6ac3 in PySide::SignalManager::clear (this=0x7f514c310c38 <PySide::SignalManager::instance()::me>) at /../pyside-setup/pyside_build/py2.7-qt5.6.2-64bit-debug/pyside2/libpyside/signalmanager.cpp:295
No locals.
#34 0x00007f514c0e68f0 in clearSignalManager () at /../pyside-setup/pyside_build/py2.7-qt5.6.2-64bit-debug/pyside2/libpyside/signalmanager.cpp:249
No locals.
#35 0x00007f514c0fc044 in PySide::runCleanupFunctions () at /../pyside-setup/sources/pyside2/libpyside/pyside.cpp:115
        f = 0x7f514c0e68df <clearSignalManager()>
#36 0x00007f514c63b705 in SbkQtCoreModule___moduleShutdown (self=0x0) at /../pyside-setup/pyside_build/py2.7-qt5.6.2-64bit-debug/pyside2/PySide2/QtCore/PySide2/QtCore/qtcore_module_wrapper.cpp:612
No locals.
#37 0x00000000004cb9be in PyEval_EvalFrameEx ()
No symbol table info available.
#38 0x00000000004c2e05 in PyEval_EvalCodeEx ()
No symbol table info available.
#39 0x00000000004ded4e in ?? ()
No symbol table info available.
#40 0x00000000004b1153 in PyObject_Call ()
No symbol table info available.
#41 0x00000000004ce98d in PyEval_CallObjectWithKeywords ()
No symbol table info available.
#42 0x00000000004325df in ?? ()
No symbol table info available.
#43 0x000000000049df6f in Py_Main ()
No symbol table info available.
#44 0x00007f514d729830 in __libc_start_main (main=0x49daf0 <main>, argc=2, argv=0x7ffd623d4f88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd623d4f78) at ../csu/libc-start.c:291
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5256395404722666988, 4839920, 140726251638656, 0, 0, 5257755728741040660, 5309482714147226132}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x2, 0x49daf0 <main>}, data = {prev = 0x0, cleanup = 0x0, canceltype = 2}}}
        not_first_call = <optimized out>
#45 0x000000000049da19 in _start ()
No symbol table info available.