hread 1 "minetest" received signal SIGSEGV, Segmentation fault.
0x00005555556dbdef in GenericCAO::setNodeLight(unsigned char) ()
(gdb) bt
#0  0x00005555556dbdef in GenericCAO::setNodeLight(unsigned char) ()
#1  0x00005555556dc011 in GenericCAO::updateLight(unsigned char) ()
#2  0x00005555556ab4dd in ?? ()
#3  0x000055555568dc99 in client::ActiveObjectMgr::step(float, std::function<void (ClientActiveObject*)> const&) ()
#4  0x00005555556ad364 in ClientEnvironment::step(float) ()
#5  0x00005555556a4871 in Client::step(float) ()
#6  0x00005555557145f3 in Game::run() ()
#7  0x0000555555715667 in the_game(bool*, bool, InputHandler*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned short, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, ChatBackend&, bool*, SubgameSpec const&, bool)
    ()
#8  0x00005555556b57f2 in ClientLauncher::run(GameParams&, Settings const&) ()
#9  0x000055555568a260 in main ()