https://git.ruby-lang.org/ruby.git/commit/?id=02ea1fdfc7

From 02ea1fdfc70b01189574a4a640eec3c9c81d2417 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 1 Oct 2019 10:58:14 +0000
Subject: merge revision(s) a0a2640b398cffd351f87d3f6243103add66575b

Fix for wrong fnmatch patttern

* dir.c (file_s_fnmatch): ensure that pattern does not contain a
  NUL character.  https://hackerone.com/reports/449617


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67809 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

diff --git a/dir.c b/dir.c
index 351d361..40bd4eb 100644
--- a/dir.c
+++ b/dir.c
@@ -3020,7 +3020,7 @@ file_s_fnmatch(int argc, VALUE *argv, VALUE obj) https://github.com/ruby/ruby/blob/trunk/dir.c#L3020
     else
 	flags = 0;
 
-    StringValue(pattern);
+    StringValueCStr(pattern);
     FilePathStringValue(path);
 
     if (flags & FNM_EXTGLOB) {
diff --git a/test/ruby/test_fnmatch.rb b/test/ruby/test_fnmatch.rb
index ca01a28..30250b5 100644
--- a/test/ruby/test_fnmatch.rb
+++ b/test/ruby/test_fnmatch.rb
@@ -129,4 +129,10 @@ class TestFnmatch < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_fnmatch.rb#L129
     assert_file.fnmatch("[a-\u3042]*", "\u3042")
     assert_file.not_fnmatch("[a-\u3042]*", "\u3043")
   end
+
+  def test_nullchar
+    assert_raise(ArgumentError) {
+      File.fnmatch("a\0z", "a")
+    }
+  end
 end
diff --git a/version.h b/version.h
index 25e5741..f8eb732 100644
--- a/version.h
+++ b/version.h
@@ -1,10 +1,10 @@ https://github.com/ruby/ruby/blob/trunk/version.h#L1
 #define RUBY_VERSION "2.5.7"
-#define RUBY_RELEASE_DATE "2019-09-02"
-#define RUBY_PATCHLEVEL 202
+#define RUBY_RELEASE_DATE "2019-10-01"
+#define RUBY_PATCHLEVEL 203
 
 #define RUBY_RELEASE_YEAR 2019
-#define RUBY_RELEASE_MONTH 9
-#define RUBY_RELEASE_DAY 2
+#define RUBY_RELEASE_MONTH 10
+#define RUBY_RELEASE_DAY 1
 
 #include "ruby/version.h"
 
-- 
cgit v0.10.2


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