From f16f0441d681dd9d2e09631fd068268a63fe1f3b Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 19 Oct 2017 11:24:03 +0000
Subject: ruby.c: reject NUL in $0

* ruby.c (ruby_setproctitle): raise if the argument contains NUL
  char.  process title is a NUL-terminated string.
  [ruby-core:82425] [Bug #13829]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60215 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_rubyoptions.rb | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'test/ruby/test_rubyoptions.rb')

diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index f927af2f2d..beb6a24e93 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -549,6 +549,13 @@ class TestRubyOptions < Test::Unit::TestCase
   def test_setproctitle
     skip "platform dependent feature" unless defined?(PSCMD) and PSCMD
 
+    assert_separately([], "#{<<-"{#"}\n#{<<-'};'}")
+    {#
+      assert_raise(ArgumentError) do
+        Process.setproctitle("hello\0")
+      end
+    };
+
     with_tmpchdir do
       write_file("test-script", "$_0 = $0.dup; Process.setproctitle('hello world'); $0 == $_0 or Process.setproctitle('$0 changed!'); sleep 60")
 
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