[ruby/time] Test for quadratic backtracking on invalid time

https://hackerone.com/reports/1485501 https://github.com/ruby/time/commit/b30b7bc6e6
2022-11-29 16:22:15 +09:00 · 2022-11-29 16:22:15 +09:00 · 623027bf0b
commit 623027bf0b
parent f5b824c745
1 changed files with 9 additions and 0 deletions
--- a/test/test_time.rb
+++ b/test/test_time.rb
@ -62,6 +62,15 @@ class TestTimeExtension < Test::Unit::TestCase # :nodoc:
    assert_equal(true, t.utc?)
  end

+  def test_rfc2822_nonlinear
+    pre = ->(n) {"0 Feb 00 00 :00" + " " * n}
+    assert_linear_performance([100, 500, 5000, 50_000], pre: pre) do |s|
+      assert_raise(ArgumentError) do
+        Time.rfc2822(s)
+      end
+    end
+  end
+
  if defined?(Ractor)
    def test_rfc2822_ractor
      assert_ractor(<<~RUBY, require: 'time')