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authornaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-03-28 09:26:06 +0000
committernaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-03-28 09:26:06 +0000
commit7357f524beb54ce64c5669afa39e6c68a72cea9b (patch)
treeea662c985b989a2081e412e4e7f4b4dbb6805e9e /test
parent8db32a2b89df4687018fb0d7741acd284084e136 (diff)
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_5@62975 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r--test/ruby/test_pack.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/ruby/test_pack.rb b/test/ruby/test_pack.rb
index 62a7a54e8d..a872bf33c2 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 = RbConfig::LIMITS["UINTPTR_MAX"] - 99 # -100
+ assert_raise(RangeError) {"0123456789".unpack("@#{pos}C10")}
end
def test_pack_unpack_percent