Bug#969546: freecad: Freecad crashes when placing beam in Arch workbench

[Tyler Schwend]

Package: freecad
Version: 0.18.4+dfsg2-5
Severity: normal
Tags: upstream
X-Debbugs-Cc: tylerschwend at gmail.com

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
Attempting to use the Arch workbench in Freecad.

   * What exactly did you do (or not do) that was effective (or
     ineffective)?
Open a new document.
Switch to the Arch workbench.
Click the Structure button.
Switch to Beam.
Optionally, set the material and preset.
Place the beam.
   * What was the outcome of this action?
Freecad crashes with the below segfault.
   * What outcome did you expect instead?
A new beam.

*** End of the template - remove these template lines ***
Program received signal SIGSEGV, Segmentation fault.
#0  /lib/x86_64-linux-gnu/libc.so.6(+0x3be30) [0x7f2ef531fe30]
#1  0x7f2ed9773a5f in Shiboken::Object::cppPointers(SbkObject*) from
/usr/lib/x86_64-linux-gnu/libshiboken2.cpython-38-x86_64-linux-gnu.so.5.15+0xdf
#2  /usr/lib/python3/dist-packages/shiboken2/shiboken2.cpython-38-x86_64-linux-
gnu.so(+0x273a) [0x7f2eec17573a]
#3  /usr/lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0xe5f66) [0x7f2ef632cf66]
#4  /usr/lib/x86_64-linux-gnu/libpython3.8.so.1.0(PyVectorcall_Call+0x5c)
[0x7f2ef62e913c]
#5  0x7f2ef73ccd07 in Gui::qt_getCppPointer(Py::Object const&, char const*,
char const*) from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x2c7
#6  0x7f2ef72fd950 in
Gui::TaskView::TaskDialogPython::TaskDialogPython(Py::Object const&) from
/usr/lib/freecad-python3/lib/libFreeCADGui.so+0x7d0
#7  0x7f2ef72fdd0d in Gui::TaskView::ControlPy::showDialog(Py::Tuple const&)
from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x8d
#8  0x7f2ef72fe6b1 in
Py::PythonExtension<Gui::TaskView::ControlPy>::method_varargs_call_handler(_object*,
_object*) from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x1b1
#9  /usr/lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0xa19c7) [0x7f2ef62e89c7]
#10  /usr/lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyObject_MakeTpCall+0xa7)
[0x7f2ef62e9817]
#11  /usr/lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x7dcd3) [0x7f2ef62c4cd3]
#12  /usr/lib/x86_64-linux-
gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x1292) [0x7f2ef62bc552]
#13  /usr/lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x73073) [0x7f2ef62ba073]
#14  /usr/lib/x86_64-linux-gnu/libpython3.8.so.1.0(PyVectorcall_Call+0x5c)
[0x7f2ef62e913c]
#15  0x7f2ed9279dc8 in PySide::SignalManager::callPythonMetaMethod(QMetaMethod
const&, void**, _object*, bool) from /usr/lib/x86_64-linux-
gnu/libpyside2.cpython-38-x86_64-linux-gnu.so.5.15+0x98
#16  /usr/lib/x86_64-linux-gnu/libpyside2.cpython-38-x86_64-linux-
gnu.so.5.15(+0x142ae) [0x7f2ed927e2ae]
#17  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5(+0x2d6610) [0x7f2ef5968610]
#18  0x7f2ef596c24a in QTimer::timeout(QTimer::QPrivateSignal) from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x3a
#19  /usr/lib/python3/dist-packages/PySide2/QtCore.cpython-38-x86_64-linux-
gnu.so(+0x2b85bf) [0x7f2ed95585bf]
#20  0x7f2ef595ee5f in QObject::event(QEvent*) from /usr/lib/x86_64-linux-
gnu/libQt5Core.so.5+0x1cf
#21  /usr/lib/python3/dist-packages/PySide2/QtCore.cpython-38-x86_64-linux-
gnu.so(+0x2b8167) [0x7f2ed9558167]
#22  0x7f2ef5d2403f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x7f
#23  0x7f2ef7108cf8 in Gui::GUIApplication::notify(QObject*, QEvent*) from
/usr/lib/freecad-python3/lib/libFreeCADGui.so+0x88
#24  0x7f2ef5933b62 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x182
#25  0x7f2ef59886c3 in QTimerInfoList::activateTimers() from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x3e3
#26  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5(+0x2f6f44) [0x7f2ef5988f44]
#27  /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x27d)
[0x7f2ef32255fd]
#28  /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x50880) [0x7f2ef3225880]
#29  /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_iteration+0x2f)
[0x7f2ef322590f]
#30  0x7f2ef59892ff in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x5f
#31  0x7f2ef59324db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x12b
#32  0x7f2ef593a782 in QCoreApplication::exec() from /usr/lib/x86_64-linux-
gnu/libQt5Core.so.5+0x92
#33  0x7f2ef709a77b in Gui::Application::runApplication() from
/usr/lib/freecad-python3/lib/libFreeCADGui.so+0x165b
#34  freecad(main+0x6a6) [0x55aaaefdf726]
#35  /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7f2ef530acca]
#36  freecad(_start+0x2a) [0x55aaaefdfa1a]
Segmentation fault



-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (990, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.7.0-2-amd64 (SMP w/8 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages freecad depends on:
ii  freecad-python3  0.18.4+dfsg2-5

Versions of packages freecad recommends:
ii  calculix-ccx  2.11-1+b3
ii  graphviz      2.42.2-4

Versions of packages freecad suggests:
pn  povray  <none>

-- no debconf information