Bug #3152: FreeCAD crashes upon opening saved file

[Kunda1]

issue #3152: FreeCAD crashes upon opening saved file

FreeCAD crashes when opening a saved file. The last operation before saving was attempting to pad a sketch. No output on command line other than Segmentation Fault.

OS: Ubuntu 16.04.3 LTS
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.17.11740 (Git)/Daily-PPA
Build type: None
Branch: master
Hash: 6b05302c2e70f191a2a5787f55c5b549155b9824
Python version: 2.7.12
Qt version: 4.8.7
Coin version: 4.0.0a
OCC version: 7.1.0
Locale: English/UnitedKingdom (en_GB)

Reproduced on:
OS: "Manjaro Linux"
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.17.11779 (Git)
Build type: None
Branch: master
Hash: 7c87549e4ba992cf324c59986908a22ccb5fcf4c
Python version: 2.7.6
Qt version: 4.8.6
Coin version: 4.0.0a
OCC version: 7.1.0
Locale: English/UnitedStates (en_US)

Please browse ticket to d/l file that causes crash.

[wmayer]

Stack trace:

#0 0xb6dd0ada in std::_Rb_tree<Base::Type, std::pair<Base::Type const, App::Extension*>, std::_Select1st<std::pair<Base::Type const, App::Extension*> >, std::less<Base::Type>, std::allocator<std::pair<Base::Type const, App::Extension*> > >::_S_key(std::_Rb_tree_node<std::pair<Base::Type const, App::Extension*> > const*) () from /home/werner/Projects/freecad-git/build/lib/libFreeCADApp.so
#1 0xb6dd0bf5 in std::_Rb_tree<Base::Type, std::pair<Base::Type const, App::Extension*>, std::_Select1st<std::pair<Base::Type const, App::Extension*> >, std::less<Base::Type>, std::allocator<std::pair<Base::Type const, App::Extension*> > >::_M_lower_bound(std::_Rb_tree_node<std::pair<Base::Type const, App::Extension*> > const*, std::_Rb_tree_node<std::pair<Base::Type const, App::Extension*> > const*, Base::Type const&) const ()
from /home/werner/Projects/freecad-git/build/lib/libFreeCADApp.so
#2 0xb6dd0026 in std::_Rb_tree<Base::Type, std::pair<Base::Type const, App::Extension*>, std::_Select1st<std::pair<Base::Type const, App::Extension*> >, std::less<Base::Type>, std::allocator<std::pair<Base::Type const, App::Extension*> > >::find(Base::Type const&) const () from /home/werner/Projects/freecad-git/build/lib/libFreeCADApp.so
#3 0xb6dcfa51 in std::map<Base::Type, App::Extension*, std::less<Base::Type>, std::allocator<std::pair<Base::Type const, App::Extension*> > >::find(Base::Type const&) const ()
from /home/werner/Projects/freecad-git/build/lib/libFreeCADApp.so
#4 0xb6dcd618 in App::ExtensionContainer::hasExtension(Base::Type, bool) const () from /home/werner/Projects/freecad-git/build/lib/libFreeCADApp.so
#5 0xb6dd4836 in App::GroupExtension::hasObject(App::DocumentObject const*, bool) const () from /home/werner/Projects/freecad-git/build/lib/libFreeCADApp.so
#6 0xb6dd48ba in App::GroupExtension::hasObject(App::DocumentObject const*, bool) const () from /home/werner/Projects/freecad-git/build/lib/libFreeCADApp.so
#7 0xb6dd48ba in App::GroupExtension::hasObject(App::DocumentObject const*, bool) const () from /home/werner/Projects/freecad-git/build/lib/libFreeCADApp.so
#8 0xb6dd48ba in App::GroupExtension::hasObject(App::DocumentObject const*, bool) const () from /home/werner/Projects/freecad-git/build/lib/libFreeCADApp.so

The call of App::GroupExtension::hasObject appears a few thousand times, so it looks like a stack overflow to me.

[DeepSOIC]

The file opens fine in FreeCADCmd. Then, I was able to generate dependency graph.

Parabolic trough (crash).txt.png (89.54 KiB) Viewed 1300 times

[DeepSOIC]

So I would guess, the crash is actually reported as issue #0002567

[peterl94]

So I would guess, the crash is actually reported as issue #0002567

If that is the case, then it will be fixed with PR 916: commit 853733d8