From: shibata.hiroshi@... Date: 2014-02-09T00:58:46+00:00 Subject: [ruby-core:60602] [ruby-trunk - Bug #9505] Bug that should cause SystemStackError segfaults under Ruby 2.1 Issue #9505 has been updated by Hiroshi SHIBATA. I can reproduce it on Ruby 2.1.1p28. and ruby-trunk(r44894) got SystemStackError. ---------------------------------------- Bug #9505: Bug that should cause SystemStackError segfaults under Ruby 2.1 https://bugs.ruby-lang.org/issues/9505#change-45043 * Author: Jimmy Cuadra * Status: Open * Priority: Normal * Assignee: * Category: * Target version: * ruby -v: ruby 2.1.0p0 (2013-12-25 revision 44422) [x86_64-darwin13.0] * Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN, 2.1: UNKNOWN ---------------------------------------- Using rspec-core.3.0.0.beta1 and ruby 2.1.0p0 (2013-12-25 revision 44422) [x86_64-darwin13.0]: require "rspec" require "rspec/autorun" describe "Ruby 2.1 segfault" do let(:argument) { double } subject { subject.new(double) } it "will segfault" do subject end end Running this program under Ruby 2.0 results in a SystemStackError. Under Ruby 2.1, Ruby segfaults. Crash log: https://gist.github.com/jimmycuadra/8892336 Segfault output: https://gist.github.com/jimmycuadra/8892213 -- http://bugs.ruby-lang.org/