https://git.ruby-lang.org/ruby.git/commit/?id=c264d30261

From c264d30261cb7d79caddd982300a7ae002293967 Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@g...>
Date: Fri, 21 May 2021 21:45:03 +0900
Subject: Use YAML.safe_load to use the permitted_classes option

---
 lib/rdoc/rdoc.rb               | 2 +-
 test/rdoc/test_rdoc_options.rb | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/rdoc/rdoc.rb b/lib/rdoc/rdoc.rb
index 904625f..3a3defa 100644
--- a/lib/rdoc/rdoc.rb
+++ b/lib/rdoc/rdoc.rb
@@ -162,7 +162,7 @@ class RDoc::RDoc https://github.com/ruby/ruby/blob/trunk/lib/rdoc/rdoc.rb#L162
     RDoc.load_yaml
 
     begin
-      options = YAML.load_file '.rdoc_options', permitted_classes: [RDoc::Options, Symbol]
+      options = YAML.safe_load File.read('.rdoc_options'), permitted_classes: [RDoc::Options, Symbol]
     rescue Psych::SyntaxError
       raise RDoc::Error, "#{options_file} is not a valid rdoc options file"
     end
diff --git a/test/rdoc/test_rdoc_options.rb b/test/rdoc/test_rdoc_options.rb
index 2534c52..f547f5b 100644
--- a/test/rdoc/test_rdoc_options.rb
+++ b/test/rdoc/test_rdoc_options.rb
@@ -145,7 +145,7 @@ class TestRDocOptions < RDoc::TestCase https://github.com/ruby/ruby/blob/trunk/test/rdoc/test_rdoc_options.rb#L145
 
     @options.encoding = Encoding::IBM437
 
-    options = YAML.load(YAML.dump(@options), permitted_classes: [RDoc::Options, Symbol])
+    options = YAML.safe_load(YAML.dump(@options), permitted_classes: [RDoc::Options, Symbol])
 
     assert_equal Encoding::IBM437, options.encoding
   end
@@ -161,7 +161,7 @@ rdoc_include: https://github.com/ruby/ruby/blob/trunk/test/rdoc/test_rdoc_options.rb#L161
 - /etc
     YAML
 
-    options = YAML.load(yaml, permitted_classes: [RDoc::Options, Symbol])
+    options = YAML.safe_load(yaml, permitted_classes: [RDoc::Options, Symbol])
 
     assert_empty options.rdoc_include
     assert_empty options.static_path
@@ -749,7 +749,7 @@ rdoc_include: https://github.com/ruby/ruby/blob/trunk/test/rdoc/test_rdoc_options.rb#L749
 
       assert File.exist? '.rdoc_options'
 
-      assert_equal @options, YAML.load(File.read('.rdoc_options'), permitted_classes: [RDoc::Options, Symbol])
+      assert_equal @options, YAML.safe_load(File.read('.rdoc_options'), permitted_classes: [RDoc::Options, Symbol])
     end
   end
 
-- 
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