Merge pull request #189 from gonzaponte/segfault-steppingaction

Fix segfault in SaveAllSteppingAction
next-exp · Nov 25, 2022 · c874449 · c874449
2 parents 1aa0de4 + bf27530
commit c874449
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/source/actions/SaveAllSteppingAction.cc b/source/actions/SaveAllSteppingAction.cc
@@ -64,6 +64,8 @@ void SaveAllSteppingAction::UserSteppingAction(const G4Step* step)
   G4ThreeVector initial_pos = pre ->GetPosition();
   G4ThreeVector   final_pos = post->GetPosition();
 
+  if (! post->GetTouchableHandle()->GetVolume()) return; // Particle exits the world
+
   G4String initial_volume = pre ->GetTouchableHandle()->GetVolume()->GetName();
   G4String   final_volume = post->GetTouchableHandle()->GetVolume()->GetName();
   G4String      proc_name = post->GetProcessDefinedStep()->GetProcessName();