Oct 18, 2025 · Oct 14, 2025 · Oct 17, 2025 · Oct 17, 2025 · Oct 17, 2025
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
        self.assertEqual(os.read(r_interp, 1), DONE)

    @cpython_only
    @support.skip_if_sanitizer(thread=True, memory=True)
    def test_daemon_threads_fatal_error(self):
        import_module("_testcapi")
        subinterp_code = f"""if 1:
diff --git a/Tools/tsan/suppressions.txt b/Tools/tsan/suppressions.txt

 # https://gist.github.com/mpage/daaf32b39180c1989572957b943eb665
 thread:pthread_create

 # gh-140138
 race:drop_gil
diff --git a/Tools/tsan/suppressions_free_threading.txt b/Tools/tsan/suppressions_free_threading.txt
 # gh-133467.  Some of these could be hard to trigger.
 race_top:set_tp_bases
 race_top:type_set_bases_unlocked

 # gh-140138
 race:drop_gil
Original file line number	Diff line number	Diff line change
Expand Up		@@ -1776,6 +1776,7 @@ def task():
		self.assertEqual(os.read(r_interp, 1), DONE)

		@cpython_only
		@support.skip_if_sanitizer(thread=True, memory=True)
		def test_daemon_threads_fatal_error(self):
		import_module("_testcapi")
		subinterp_code = f"""if 1:
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -3,6 +3,3 @@

		# https://gist.github.com/mpage/daaf32b39180c1989572957b943eb665
		thread:pthread_create

		# gh-140138
		race:drop_gil
Original file line number	Diff line number	Diff line change
Expand Up		@@ -45,6 +45,3 @@ race:PyObject_Realloc
		# gh-133467. Some of these could be hard to trigger.
		race_top:set_tp_bases
		race_top:type_set_bases_unlocked

		# gh-140138
		race:drop_gil