Raise RuntimeError if Kernel#binding is called from a non-Ruby frame

Check whether the current or previous frame is a Ruby frame in
call_trace_func and rb_tracearg_binding before attempting to
create a binding for the frame.

Fixes [Bug #18487]

Co-authored-by: Alan Wu <XrXr@users.noreply.github.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/test/ruby/test_proc.rb b/test/ruby/test_proc.rb
index 63c258744a..05c6e03aac 100644
--- a/test/ruby/test_proc.rb
+++ b/test/ruby/test_proc.rb
@@ -445,6 +445,11 @@ class TestProc < Test::Unit::TestCase
     assert_equal(@@line_of_source_location_test, lineno, 'Bug #2427')
   end
 
+  def test_binding_error_unless_ruby_frame
+    define_singleton_method :binding_from_c!, method(:binding).to_proc >> ->(bndg) {bndg}
+    assert_raise(RuntimeError) { binding_from_c! }
+  end
+
   def test_proc_lambda
     assert_raise(ArgumentError) { proc }
     assert_raise(ArgumentError) { assert_warn(/deprecated/) {lambda} }