From 70ad5986df7972d8f7cc5240990f2c348ae30842 Mon Sep 17 00:00:00 2001 From: nagachika Date: Wed, 28 Mar 2018 11:44:55 +0000 Subject: merge revision(s) 62992: pack.c: fix underflow * pack.c (pack_unpack_internal): get rid of underflow. https://hackerone.com/reports/298246 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@63001 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/ruby/test_pack.rb | 3 +++ 1 file changed, 3 insertions(+) (limited to 'test') diff --git a/test/ruby/test_pack.rb b/test/ruby/test_pack.rb index f5b3266803..ce2682ee59 100644 --- a/test/ruby/test_pack.rb +++ b/test/ruby/test_pack.rb @@ -548,6 +548,9 @@ class TestPack < Test::Unit::TestCase assert_equal([1, 2], "\x01\x00\x00\x02".unpack("C@3C")) assert_equal([nil], "\x00".unpack("@1C")) # is it OK? assert_raise(ArgumentError) { "\x00".unpack("@2C") } + + pos = (1 << [nil].pack("p").bytesize * 8) - 100 # -100 + assert_raise(RangeError) {"0123456789".unpack("@#{pos}C10")} end def test_pack_unpack_percent -- cgit v1.2.3