SEGV in module interpchannels #140652
Description
Crash report
What happened?
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 CPython versions tested on:
CPython main branch
Operating systems tested on:
Linux
Output from running 'python -VV' on the command line:
No response
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