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memory leak in threading stack size #141044

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3.14bugs and security fixes3.15new features, bugs and security fixesinterpreter-core(Objects, Python, Grammar, and Parser dirs)stdlibStandard Library Python modules in the Lib/ directorytype-bugAn unexpected behavior, bug, or error
@YuanchengJiang

Description

@YuanchengJiang

Bug report

Bug description:

importthreadingprevious=threading.stack_size(127*1024)defworker():passt=threading.Thread(target=worker,name="worker-thread")t.start()threading.stack_size(0)
LeakSanitizer output on main
===================================================================3532388==ERROR: LeakSanitizer: detected memory leaksDirect leak of 88 byte(s) in 1 object(s) allocated from:    #0 0x7e646db509c7 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69    #1 0x55cc45289c38 in _PyMem_RawMalloc ../Objects/obmalloc.c:63    #2 0x55cc45289009 in _PyMem_DebugRawAlloc ../Objects/obmalloc.c:2887    #3 0x55cc45289071 in _PyMem_DebugRawMalloc ../Objects/obmalloc.c:2920    #4 0x55cc4528a8ef in _PyMem_DebugMalloc ../Objects/obmalloc.c:3085    #5 0x55cc452b38dc in PyObject_Malloc ../Objects/obmalloc.c:1493    #6 0x55cc454f3dd8 in _PyObject_MallocWithType ../Include/internal/pycore_object_alloc.h:46    #7 0x55cc454f3dd8 in gc_alloc ../Python/gc.c:2344    #8 0x55cc454f3f2e in _PyObject_GC_New ../Python/gc.c:2364    #9 0x55cc451c9034 in PyMethod_New ../Objects/classobject.c:119    #10 0x55cc452191a2 in cm_descr_get ../Objects/funcobject.c:1473    #11 0x55cc452fdc1c in _Py_type_getattro_impl ../Objects/typeobject.c:6382    #12 0x55cc452fde00 in _Py_type_getattro ../Objects/typeobject.c:6424    #13 0x55cc45282b80 in PyObject_GetAttr ../Objects/object.c:1313    #14 0x55cc45283dd3 in _PyObject_GetMethodStackRef ../Objects/object.c:1706    #15 0x55cc45467d64 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:7844    #16 0x55cc45486105 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121    #17 0x55cc454863f9 in _PyEval_Vector ../Python/ceval.c:2005    #18 0x55cc451c12b7 in _PyFunction_Vectorcall ../Objects/call.c:413    #19 0x55cc451c177e in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169    #20 0x55cc451c1c3c in _PyObject_CallFunctionVa ../Objects/call.c:552    #21 0x55cc451c226d in callmethod ../Objects/call.c:626    #22 0x55cc451c2472 in PyObject_CallMethod ../Objects/call.c:645    #23 0x55cc45519b64 in init_importlib ../Python/import.c:3223    #24 0x55cc4551ad12 in _PyImport_InitCore ../Python/import.c:4035    #25 0x55cc45563be1 in pycore_interp_init ../Python/pylifecycle.c:942    #26 0x55cc45563e06 in pyinit_config ../Python/pylifecycle.c:971    #27 0x55cc455712e3 in pyinit_core ../Python/pylifecycle.c:1134    #28 0x55cc4557153b in Py_InitializeFromConfig ../Python/pylifecycle.c:1454    #29 0x55cc455d4c9e in pymain_init ../Modules/main.c:68    #30 0x55cc455d50dc in pymain_main ../Modules/main.c:793Indirect leak of 96 byte(s) in 1 object(s) allocated from:    #0 0x7e646db509c7 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69    #1 0x55cc45289c38 in _PyMem_RawMalloc ../Objects/obmalloc.c:63    #2 0x55cc45289009 in _PyMem_DebugRawAlloc ../Objects/obmalloc.c:2887    #3 0x55cc45289071 in _PyMem_DebugRawMalloc ../Objects/obmalloc.c:2920    #4 0x55cc4528a8ef in _PyMem_DebugMalloc ../Objects/obmalloc.c:3085    #5 0x55cc452b38dc in PyObject_Malloc ../Objects/obmalloc.c:1493    #6 0x55cc454f3dd8 in _PyObject_MallocWithType ../Include/internal/pycore_object_alloc.h:46    #7 0x55cc454f3dd8 in gc_alloc ../Python/gc.c:2344    #8 0x55cc454f4037 in _PyObject_GC_NewVar ../Python/gc.c:2386    #9 0x55cc452c9d82 in tuple_alloc ../Objects/tupleobject.c:57    #10 0x55cc452cca50 in PyTuple_New ../Objects/tupleobject.c:81    #11 0x55cc4554f81d in r_object ../Python/marshal.c:1372    #12 0x55cc455504e9 in r_object ../Python/marshal.c:1560    #13 0x55cc4554f9d8 in r_object ../Python/marshal.c:1378    #14 0x55cc455504b9 in r_object ../Python/marshal.c:1554    #15 0x55cc45551305 in read_object ../Python/marshal.c:1714    #16 0x55cc45551558 in marshal_loads_impl ../Python/marshal.c:2059    #17 0x55cc45551c95 in marshal_loads ../Python/clinic/marshal.c.h:344    #18 0x55cc45446cfa in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:2361    #19 0x55cc45486105 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121    #20 0x55cc454863f9 in _PyEval_Vector ../Python/ceval.c:2005    #21 0x55cc451c12b7 in _PyFunction_Vectorcall ../Objects/call.c:413    #22 0x55cc451c177e in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169    #23 0x55cc451c34bf in object_vacall ../Objects/call.c:819    #24 0x55cc451c373d in PyObject_CallMethodObjArgs ../Objects/call.c:886    #25 0x55cc455133c5 in import_find_and_load ../Python/import.c:3688    #26 0x55cc4551a2f5 in PyImport_ImportModuleLevelObject ../Python/import.c:3770    #27 0x55cc454357c3 in _PyEval_ImportName ../Python/ceval.c:3025    #28 0x55cc4545e461 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:6219    #29 0x55cc45486105 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121    #30 0x55cc454863f9 in _PyEval_Vector ../Python/ceval.c:2005Indirect leak of 96 byte(s) in 1 object(s) allocated from:    #0 0x7e646db509c7 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69    #1 0x55cc45289c38 in _PyMem_RawMalloc ../Objects/obmalloc.c:63    #2 0x55cc45289009 in _PyMem_DebugRawAlloc ../Objects/obmalloc.c:2887    #3 0x55cc45289071 in _PyMem_DebugRawMalloc ../Objects/obmalloc.c:2920    #4 0x55cc4528a8ef in _PyMem_DebugMalloc ../Objects/obmalloc.c:3085    #5 0x55cc452b38dc in PyObject_Malloc ../Objects/obmalloc.c:1493    #6 0x55cc454f3dd8 in _PyObject_MallocWithType ../Include/internal/pycore_object_alloc.h:46    #7 0x55cc454f3dd8 in gc_alloc ../Python/gc.c:2344    #8 0x55cc454f3f2e in _PyObject_GC_New ../Python/gc.c:2364    #9 0x55cc45276170 in PyCMethod_New ../Objects/methodobject.c:108    #10 0x55cc451dea0b in method_get ../Objects/descrobject.c:158    #11 0x55cc45284b2c in _PyObject_GenericGetAttrWithDict ../Objects/object.c:1893    #12 0x55cc45285b28 in PyObject_GenericGetAttr ../Objects/object.c:1923    #13 0x55cc45282b80 in PyObject_GetAttr ../Objects/object.c:1313    #14 0x55cc45467f8a in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:7865    #15 0x55cc45486105 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121    #16 0x55cc454863f9 in _PyEval_Vector ../Python/ceval.c:2005    #17 0x55cc451c12b7 in _PyFunction_Vectorcall ../Objects/call.c:413    #18 0x55cc451c78c7 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169    #19 0x55cc451c7d81 in method_vectorcall ../Objects/classobject.c:73    #20 0x55cc451c4ad1 in _PyVectorcall_Call ../Objects/call.c:273    #21 0x55cc451c50dd in _PyObject_Call ../Objects/call.c:348    #22 0x55cc451c5123 in PyObject_Call ../Objects/call.c:373    #23 0x55cc456d25b9 in thread_run ../Modules/_threadmodule.c:387    #24 0x55cc455ade23 in pythread_wrapper ../Python/thread_pthread.h:234    #25 0x7e646dab1a41 in asan_thread_start ../../../../src/libsanitizer/asan/asan_interceptors.cpp:234    #26 0x7e646d7f4aa3  (/lib/x86_64-linux-gnu/libc.so.6+0x9caa3) (BuildId: 282c2c16e7b6600b0b22ea0c99010d2795752b5f)Indirect leak of 88 byte(s) in 1 object(s) allocated from:    #0 0x7e646db509c7 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69    #1 0x55cc45289c38 in _PyMem_RawMalloc ../Objects/obmalloc.c:63    #2 0x55cc45289009 in _PyMem_DebugRawAlloc ../Objects/obmalloc.c:2887    #3 0x55cc45289071 in _PyMem_DebugRawMalloc ../Objects/obmalloc.c:2920    #4 0x55cc4528a8ef in _PyMem_DebugMalloc ../Objects/obmalloc.c:3085    #5 0x55cc452b38dc in PyObject_Malloc ../Objects/obmalloc.c:1493    #6 0x55cc454f3dd8 in _PyObject_MallocWithType ../Include/internal/pycore_object_alloc.h:46    #7 0x55cc454f3dd8 in gc_alloc ../Python/gc.c:2344    #8 0x55cc454f3f2e in _PyObject_GC_New ../Python/gc.c:2364    #9 0x55cc45250446 in new_dict ../Objects/dictobject.c:875    #10 0x55cc45251b2f in PyDict_New ../Objects/dictobject.c:973    #11 0x55cc45251b7e in dict_new_presized ../Objects/dictobject.c:2204    #12 0x55cc45259e23 in _PyDict_FromItems ../Objects/dictobject.c:2245    #13 0x55cc45440114 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:1272    #14 0x55cc45486105 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121    #15 0x55cc454863f9 in _PyEval_Vector ../Python/ceval.c:2005    #16 0x55cc451c12b7 in _PyFunction_Vectorcall ../Objects/call.c:413    #17 0x55cc451c177e in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169    #18 0x55cc451c34bf in object_vacall ../Objects/call.c:819    #19 0x55cc451c373d in PyObject_CallMethodObjArgs ../Objects/call.c:886    #20 0x55cc455133c5 in import_find_and_load ../Python/import.c:3688    #21 0x55cc4551a2f5 in PyImport_ImportModuleLevelObject ../Python/import.c:3770    #22 0x55cc45426967 in builtin___import___impl ../Python/bltinmodule.c:285    #23 0x55cc45426c32 in builtin___import__ ../Python/clinic/bltinmodule.c.h:110    #24 0x55cc4527491b in cfunction_vectorcall_FASTCALL_KEYWORDS ../Objects/methodobject.c:465    #25 0x55cc451c177e in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169    #26 0x55cc451c1c3c in _PyObject_CallFunctionVa ../Objects/call.c:552    #27 0x55cc451c1e61 in PyObject_CallFunction ../Objects/call.c:574    #28 0x55cc4551a8f4 in PyImport_Import ../Python/import.c:3962    #29 0x55cc4551aa9f in PyImport_ImportModule ../Python/import.c:3410    #30 0x55cc45564580 in init_import_site ../Python/pylifecycle.c:2741Indirect leak of 88 byte(s) in 1 object(s) allocated from:    #0 0x7e646db509c7 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69    #1 0x55cc45289c38 in _PyMem_RawMalloc ../Objects/obmalloc.c:63    #2 0x55cc45289009 in _PyMem_DebugRawAlloc ../Objects/obmalloc.c:2887    #3 0x55cc45289071 in _PyMem_DebugRawMalloc ../Objects/obmalloc.c:2920    #4 0x55cc4528a8ef in _PyMem_DebugMalloc ../Objects/obmalloc.c:3085    #5 0x55cc452b38dc in PyObject_Malloc ../Objects/obmalloc.c:1493    #6 0x55cc454f3dd8 in _PyObject_MallocWithType ../Include/internal/pycore_object_alloc.h:46    #7 0x55cc454f3dd8 in gc_alloc ../Python/gc.c:2344    #8 0x55cc454f3f2e in _PyObject_GC_New ../Python/gc.c:2364    #9 0x55cc45250446 in new_dict ../Objects/dictobject.c:875    #10 0x55cc45251b2f in PyDict_New ../Objects/dictobject.c:973    #11 0x55cc4542fff5 in initialize_locals ../Python/ceval.c:1583    #12 0x55cc45432fd4 in _PyEvalFramePushAndInit ../Python/ceval.c:1875    #13 0x55cc454863cf in _PyEval_Vector ../Python/ceval.c:1995    #14 0x55cc451c12b7 in _PyFunction_Vectorcall ../Objects/call.c:413    #15 0x55cc451c4453 in _PyObject_VectorcallDictTstate ../Objects/call.c:135    #16 0x55cc451c4878 in _PyObject_Call_Prepend ../Objects/call.c:504    #17 0x55cc452dae55 in slot_tp_new ../Objects/typeobject.c:10874    #18 0x55cc452e93f8 in type_call ../Objects/typeobject.c:2449    #19 0x55cc451c1570 in _PyObject_MakeTpCall ../Objects/call.c:242    #20 0x55cc451c4589 in _PyObject_VectorcallDictTstate ../Objects/call.c:130    #21 0x55cc451c46ac in PyObject_VectorcallDict ../Objects/call.c:159    #22 0x55cc45427cda in builtin___build_class__ ../Python/bltinmodule.c:213    #23 0x55cc4527491b in cfunction_vectorcall_FASTCALL_KEYWORDS ../Objects/methodobject.c:465    #24 0x55cc451c177e in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169    #25 0x55cc451c1871 in PyObject_Vectorcall ../Objects/call.c:327    #26 0x55cc45449f11 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:2920    #27 0x55cc45486105 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121    #28 0x55cc454863f9 in _PyEval_Vector ../Python/ceval.c:2005    #29 0x55cc454866a9 in PyEval_EvalCode ../Python/ceval.c:888    #30 0x55cc45424bcb in builtin_exec_impl ../Python/bltinmodule.c:1180Indirect leak of 88 byte(s) in 1 object(s) allocated from:    #0 0x7e646db509c7 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69    #1 0x55cc45289c38 in _PyMem_RawMalloc ../Objects/obmalloc.c:63    #2 0x55cc45289009 in _PyMem_DebugRawAlloc ../Objects/obmalloc.c:2887    #3 0x55cc45289071 in _PyMem_DebugRawMalloc ../Objects/obmalloc.c:2920    #4 0x55cc4528a8ef in _PyMem_DebugMalloc ../Objects/obmalloc.c:3085    #5 0x55cc452b38dc in PyObject_Malloc ../Objects/obmalloc.c:1493    #6 0x55cc454f3dd8 in _PyObject_MallocWithType ../Include/internal/pycore_object_alloc.h:46    #7 0x55cc454f3dd8 in gc_alloc ../Python/gc.c:2344    #8 0x55cc454f3f2e in _PyObject_GC_New ../Python/gc.c:2364    #9 0x55cc451c9034 in PyMethod_New ../Objects/classobject.c:119    #10 0x55cc452191a2 in cm_descr_get ../Objects/funcobject.c:1473    #11 0x55cc452fdc1c in _Py_type_getattro_impl ../Objects/typeobject.c:6382    #12 0x55cc452fde00 in _Py_type_getattro ../Objects/typeobject.c:6424    #13 0x55cc45282b80 in PyObject_GetAttr ../Objects/object.c:1313    #14 0x55cc45467f8a in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:7865    #15 0x55cc45486105 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121    #16 0x55cc454863f9 in _PyEval_Vector ../Python/ceval.c:2005    #17 0x55cc451c12b7 in _PyFunction_Vectorcall ../Objects/call.c:413    #18 0x55cc451c177e in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169    #19 0x55cc451c34bf in object_vacall ../Objects/call.c:819    #20 0x55cc451c373d in PyObject_CallMethodObjArgs ../Objects/call.c:886    #21 0x55cc455133c5 in import_find_and_load ../Python/import.c:3688    #22 0x55cc4551a2f5 in PyImport_ImportModuleLevelObject ../Python/import.c:3770    #23 0x55cc454357c3 in _PyEval_ImportName ../Python/ceval.c:3025    #24 0x55cc4545e461 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:6219    #25 0x55cc45486105 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121    #26 0x55cc454863f9 in _PyEval_Vector ../Python/ceval.c:2005    #27 0x55cc451c12b7 in _PyFunction_Vectorcall ../Objects/call.c:413    #28 0x55cc451c177e in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169    #29 0x55cc451c1ae5 in _PyObject_CallNoArgsTstate ../Include/internal/pycore_call.h:176    #30 0x55cc451c1ae5 in _PyObject_CallFunctionVa ../Objects/call.c:531    #31 0x55cc451c226d in callmethod ../Objects/call.c:626SUMMARY: AddressSanitizer: 544 byte(s) leaked in 6 allocation(s).

CPython versions tested on:

CPython main branch

Operating systems tested on:

Linux

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