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merge revision(s) c42261059d: [Backport #19901]

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[Bug #19901]

	fix leak in module clone

	Co-authored-by: Peter Zhu <peter@peterzhu.ca>
	---
	 class.c                  |  1 +
	 test/ruby/test_module.rb | 12 ++++++++++++
	 2 files changed, 13 insertions(+)
This commit is contained in:
nagachika 2023-09-30 13:47:33 +09:00
parent 97b7070ebd
commit a191cf5617
3 changed files with 14 additions and 1 deletions
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1
class.c
View file

@ -445,6 +445,7 @@ copy_tables(VALUE clone, VALUE orig)
rb_id_table_foreach(rb_cvc_tbl, cvc_table_copy, &ctx);
RCLASS_CVC_TBL(clone) = rb_cvc_tbl_dup;
}
rb_id_table_free(RCLASS_M_TBL(clone));
RCLASS_M_TBL(clone) = 0;
if (!RB_TYPE_P(clone, T_ICLASS)) {
st_data_t id;

12
test/ruby/test_module.rb
View file

@ -3318,6 +3318,18 @@ class TestModule < Test::Unit::TestCase
CODE
end
def test_module_clone_memory_leak
# [Bug #19901]
assert_no_memory_leak([], <<~PREP, <<~CODE, rss: true)
code = proc do
Module.new.clone
end
1_000.times(&code)
PREP
1_000_000.times(&code)
CODE
end
private
def assert_top_method_is_private(method)

2
version.h
View file

@ -11,7 +11,7 @@
# define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
#define RUBY_VERSION_TEENY 2
#define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
#define RUBY_PATCHLEVEL 122
#define RUBY_PATCHLEVEL 123
#include "ruby/version.h"
#include "ruby/internal/abi.h"