https://git.ruby-lang.org/ruby.git/commit/?id=75e7499391

From 75e74993916e9abda1a74164fed5b59fc3d9b7ce Mon Sep 17 00:00:00 2001
From: nagachika <nagachika@r...>
Date: Sat, 6 Nov 2021 16:47:07 +0900
Subject: merge revision(s) a4d5ee4f31bf3ff36c1a8c8fe3cda16aa1016b12: [Backport
 #18264]

	[Bug #18264] Fix memory leak in TracePoint

	TracePoint leaks memory because it allocates a `rb_tp_t` struct
	without ever freeing it (it is created with `RUBY_TYPED_NEVER_FREE`).
	---
	 test/ruby/test_settracefunc.rb | 10 ++++++++++
	 vm_trace.c                     |  2 +-
	 2 files changed, 11 insertions(+), 1 deletion(-)
---
 test/ruby/test_settracefunc.rb | 10 ++++++++++
 version.h                      |  6 +++---
 vm_trace.c                     |  2 +-
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/test/ruby/test_settracefunc.rb b/test/ruby/test_settracefunc.rb
index b0ac1e65363..2180c31d57e 100644
--- a/test/ruby/test_settracefunc.rb
+++ b/test/ruby/test_settracefunc.rb
@@ -564,6 +564,16 @@ class TestSetTraceFunc < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_settracefunc.rb#L564
     }
   end
 
+  # Bug #18264
+  def test_tracpoint_memory_leak
+    assert_no_memory_leak([], <<-PREP, <<-CODE, rss: true)
+code = proc { TracePoint.new(:line) { } }
+1_000.times(&code)
+PREP
+1_000_000.times(&code)
+CODE
+  end
+
   def trace_by_set_trace_func
     events = []
     trace = nil
diff --git a/version.h b/version.h
index d909e5763c5..1bbf7eb455d 100644
--- a/version.h
+++ b/version.h
@@ -12,11 +12,11 @@ https://github.com/ruby/ruby/blob/trunk/version.h#L12
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 3
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 148
+#define RUBY_PATCHLEVEL 149
 
 #define RUBY_RELEASE_YEAR 2021
-#define RUBY_RELEASE_MONTH 10
-#define RUBY_RELEASE_DAY 31
+#define RUBY_RELEASE_MONTH 11
+#define RUBY_RELEASE_DAY 6
 
 #include "ruby/version.h"
 
diff --git a/vm_trace.c b/vm_trace.c
index 06879812b32..b16ec77e5af 100644
--- a/vm_trace.c
+++ b/vm_trace.c
@@ -730,7 +730,7 @@ tp_memsize(const void *ptr) https://github.com/ruby/ruby/blob/trunk/vm_trace.c#L730
 
 static const rb_data_type_t tp_data_type = {
     "tracepoint",
-    {tp_mark, RUBY_TYPED_NEVER_FREE, tp_memsize,},
+    {tp_mark, RUBY_TYPED_DEFAULT_FREE, tp_memsize,},
     0, 0, RUBY_TYPED_FREE_IMMEDIATELY
 };
 
-- 
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