shopify-scripts: kh_get_n2s() stack overrun

Defining recursive classes could lead to a stack overrun in khgetn2s, POC ===================== With this code we can achieve a stack overflow classProc class P classProc class P class P t end end end end end Debug analysis ===================== simo@vlab64:/sources/mruby/bin/mruby/% cat CR1.rb |...