import unittest
from test.support import import_helper, skip_if_sanitizer
_channels = import_helper.import_module('_interpchannels')
from concurrent.interpreters import _crossinterp
from test.test__interpreters import (
 _interpreters,
)
REPLACE = _crossinterp._UNBOUND_CONSTANT_TO_FLAG[_crossinterp.UNBOUND]
def recv_wait(cid):
 raise ValueError(action)
def clean_up_channels():
 for cid, _, _ in _channels.list_all():
 pass # already destroyed
class TestBase(unittest.TestCase):
 def tearDown(self):
 clean_up_channels()
 with self.subTest('closed'):
 _channels.recv(cid)
 cid = _channels.create(REPLACE)
 _channels.close(cid)
 excsnap = _interpreters.run_string(id1, dedent(f""))
 def test_close_multiple_times(self):
 cid = _channels.create(REPLACE)
 def test_close_empty(self):
 tests = []
class ChannelReleaseTests(TestBase):
 unittest.main()

=================================================================
==2066570==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000018 (pc 0x76c08a641e02 bp 0x7fff47d76240 sp 0x7fff47d76110 T0)
==2066570==The signal is caused by a READ memory access.
==2066570==Hint: address points to the zero page.
 #0 0x76c08a641e02 in _channels_list_all ../Modules/_interpchannelsmodule.c:1649
 #1 0x76c08a641e02 in channelsmod_list_all ../Modules/_interpchannelsmodule.c:2996
 #2 0x6427274abee7 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
 #3 0x6427274abee7 in PyObject_Vectorcall ../Objects/call.c:327
 #4 0x642727376f25 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:4021
 #5 0x642727830b55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
 #6 0x642727830b55 in _PyEval_Vector ../Python/ceval.c:2001
 #7 0x6427274b5d90 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
 #8 0x6427274b5d90 in method_vectorcall ../Objects/classobject.c:95
 #9 0x6427274b0ffe in _PyVectorcall_Call ../Objects/call.c:273
 #10 0x6427274b0ffe in _PyObject_Call ../Objects/call.c:348
 #11 0x6427274b0ffe in PyObject_Call ../Objects/call.c:373
 #12 0x642727350eb7 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:2616
 #13 0x642727830b55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
 #14 0x642727830b55 in _PyEval_Vector ../Python/ceval.c:2001
 #15 0x6427274af623 in _PyObject_VectorcallDictTstate ../Objects/call.c:135
 #16 0x6427274afcdc in _PyObject_Call_Prepend ../Objects/call.c:504
 #17 0x642727670444 in call_method ../Objects/typeobject.c:3077
 #18 0x642727670444 in slot_tp_call ../Objects/typeobject.c:10606
 #19 0x6427274aa4cd in _PyObject_MakeTpCall ../Objects/call.c:242
 #20 0x64272734e7ac in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:4021
 #21 0x642727830b55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
 #22 0x642727830b55 in _PyEval_Vector ../Python/ceval.c:2001
 #23 0x6427274b5d90 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
 #24 0x6427274b5d90 in method_vectorcall ../Objects/classobject.c:95
 #25 0x6427274b0ffe in _PyVectorcall_Call ../Objects/call.c:273
 #26 0x6427274b0ffe in _PyObject_Call ../Objects/call.c:348
 #27 0x6427274b0ffe in PyObject_Call ../Objects/call.c:373
 #28 0x642727350eb7 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:2616
 #29 0x642727830b55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
 #30 0x642727830b55 in _PyEval_Vector ../Python/ceval.c:2001
 #31 0x6427274af623 in _PyObject_VectorcallDictTstate ../Objects/call.c:135
 #32 0x6427274afcdc in _PyObject_Call_Prepend ../Objects/call.c:504
 #33 0x642727670444 in call_method ../Objects/typeobject.c:3077
 #34 0x642727670444 in slot_tp_call ../Objects/typeobject.c:10606
 #35 0x6427274aa4cd in _PyObject_MakeTpCall ../Objects/call.c:242
 #36 0x64272734dad2 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:1620
 #37 0x642727830b55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
 #38 0x642727830b55 in _PyEval_Vector ../Python/ceval.c:2001
 #39 0x6427274b5d90 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
 #40 0x6427274b5d90 in method_vectorcall ../Objects/classobject.c:95
 #41 0x6427274b0ffe in _PyVectorcall_Call ../Objects/call.c:273
 #42 0x6427274b0ffe in _PyObject_Call ../Objects/call.c:348
 #43 0x6427274b0ffe in PyObject_Call ../Objects/call.c:373
 #44 0x642727350eb7 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:2616
 #45 0x642727830b55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
 #46 0x642727830b55 in _PyEval_Vector ../Python/ceval.c:2001
 #47 0x6427274af623 in _PyObject_VectorcallDictTstate ../Objects/call.c:135
 #48 0x6427274afcdc in _PyObject_Call_Prepend ../Objects/call.c:504
 #49 0x642727670444 in call_method ../Objects/typeobject.c:3077
 #50 0x642727670444 in slot_tp_call ../Objects/typeobject.c:10606
 #51 0x6427274aa4cd in _PyObject_MakeTpCall ../Objects/call.c:242
 #52 0x64272734dad2 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:1620
 #53 0x642727830b55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
 #54 0x642727830b55 in _PyEval_Vector ../Python/ceval.c:2001
 #55 0x6427274af623 in _PyObject_VectorcallDictTstate ../Objects/call.c:135
 #56 0x6427274afcdc in _PyObject_Call_Prepend ../Objects/call.c:504
 #57 0x64272765cc50 in call_method ../Objects/typeobject.c:3077
 #58 0x64272765cc50 in slot_tp_init ../Objects/typeobject.c:10835
 #59 0x64272764e9d7 in type_call ../Objects/typeobject.c:2461
 #60 0x6427274aa4cd in _PyObject_MakeTpCall ../Objects/call.c:242
 #61 0x642727369a18 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:1620
 #62 0x642727830b55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
 #63 0x642727830b55 in _PyEval_Vector ../Python/ceval.c:2001
 #64 0x64272781c9e8 in builtin___build_class__ ../Python/bltinmodule.c:205
 #65 0x6427274abee7 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
 #66 0x6427274abee7 in PyObject_Vectorcall ../Objects/call.c:327
 #67 0x64272734dad2 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:1620
 #68 0x642727830386 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
 #69 0x642727830386 in _PyEval_Vector ../Python/ceval.c:2001
 #70 0x642727830386 in PyEval_EvalCode ../Python/ceval.c:884
 #71 0x6427279eef0e in run_eval_code_obj ../Python/pythonrun.c:1365
 #72 0x6427279eef0e in run_mod ../Python/pythonrun.c:1459
 #73 0x6427279f3bb7 in pyrun_file ../Python/pythonrun.c:1293
 #74 0x6427279f3bb7 in _PyRun_SimpleFileObject ../Python/pythonrun.c:521
 #75 0x6427279f46dc in _PyRun_AnyFileObject ../Python/pythonrun.c:81
 #76 0x642727a67afc in pymain_run_file_obj ../Modules/main.c:410
 #77 0x642727a67afc in pymain_run_file ../Modules/main.c:429
 #78 0x642727a67afc in pymain_run_python ../Modules/main.c:691
 #79 0x642727a693de in Py_RunMain ../Modules/main.c:772
 #80 0x642727a693de in pymain_main ../Modules/main.c:802
 #81 0x642727a693de in Py_BytesMain ../Modules/main.c:826
 #82 0x76c08dcd21c9 (/lib/x86_64-linux-gnu/libc.so.6+0x2a1c9) (BuildId: 282c2c16e7b6600b0b22ea0c99010d2795752b5f)
 #83 0x76c08dcd228a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a28a) (BuildId: 282c2c16e7b6600b0b22ea0c99010d2795752b5f)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV ../Modules/_interpchannelsmodule.c:1649 in _channels_list_all
==2066570==ABORTING