data races in frame inspection and tracebacks

[kumaraditya303]

Run the tests with #128147 and tsan enabled:

env TSAN_OPTIONS=suppressions={$PWD}/Tools/tsan/suppressions_free_threading.txt ./python -m test test_asyncio -F 

TSAN Warnings:

WARNING: ThreadSanitizer: data race (pid=31163)
  Read of size 4 at 0x7fe5e3b00578 by thread T59:
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    #1 PyUnstable_InterpreterFrame_GetLine Python/frame.c:147 (python+0x3a73ab) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #2 dump_frame Python/traceback.c:907 (python+0x42e25e) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #3 dump_traceback Python/traceback.c:988 (python+0x42e454) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #4 _Py_DumpTracebackThreads Python/traceback.c:1095 (python+0x42e64b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #5 faulthandler_dump_traceback Modules/faulthandler.c:205 (python+0x44a509) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #6 faulthandler_fatal_error Modules/faulthandler.c:323 (python+0x44b5ca) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #7 CallUserSignalHandler ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:2096 (libtsan.so.2+0x517d5) (BuildId: 38097064631f7912bd33117a9c83d08b42e15571)
    #8 _PyType_GetDict Objects/typeobject.c:408 (python+0x24519f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #9 _PyType_IsReady Include/internal/pycore_typeobject.h:236 (python+0x1f9347) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #10 _PyObject_GetMethod Objects/object.c:1570 (python+0x1f9347)
    #11 PyObject_VectorcallMethod Objects/call.c:839 (python+0x16b980) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #12 PyObject_CallMethodNoArgs Include/cpython/abstract.h:65 (_asyncio.cpython-314td-x86_64-linux-gnu.so+0xba13) (BuildId: 0ce27d6138d5c42260be0fb214f10957647a4978)
    #13 add_one_task Modules/_asynciomodule.c:3717 (_asyncio.cpython-314td-x86_64-linux-gnu.so+0xba13)
    #14 _asyncio_all_tasks_impl Modules/_asynciomodule.c:3827 (_asyncio.cpython-314td-x86_64-linux-gnu.so+0x11117) (BuildId: 0ce27d6138d5c42260be0fb214f10957647a4978)
    #15 _asyncio_all_tasks Modules/clinic/_asynciomodule.c.h:2086 (_asyncio.cpython-314td-x86_64-linux-gnu.so+0x11315) (BuildId: 0ce27d6138d5c42260be0fb214f10957647a4978)
    #16 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1527 (python+0x33d97b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #17 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #18 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #19 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #20 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x16ec05) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #21 method_vectorcall Objects/classobject.c:71 (python+0x16ef25) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #22 _PyVectorcall_Call Objects/call.c:273 (python+0x16c8e1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #23 _PyObject_Call Objects/call.c:348 (python+0x16cd2b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #24 PyObject_Call Objects/call.c:373 (python+0x16cd8f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #25 thread_run Modules/_threadmodule.c:346 (python+0x4d3322) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #26 pythread_wrapper Python/thread_pthread.h:242 (python+0x429f2a) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)

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    #2 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #3 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #4 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #5 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x421a37) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #6 sys_audit_tstate Python/sysmodule.c:283 (python+0x421dda) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #7 _PySys_Audit Python/sysmodule.c:324 (python+0x4270d2) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #8 _PyEval_SetAsyncGenFirstiter Python/ceval.c:2509 (python+0x331eb0) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
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    #16 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #17 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x16ec05) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #18 method_vectorcall Objects/classobject.c:71 (python+0x16ef25) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #19 _PyVectorcall_Call Objects/call.c:273 (python+0x16c8e1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #20 _PyObject_Call Objects/call.c:348 (python+0x16cd2b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #21 PyObject_Call Objects/call.c:373 (python+0x16cd8f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #22 thread_run Modules/_threadmodule.c:346 (python+0x4d3322) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #23 pythread_wrapper Python/thread_pthread.h:242 (python+0x429f2a) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)

  Thread T59 'Thread-59 (runn' (tid=31269, running) created by main thread at:
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    #1 do_start_joinable_thread Python/thread_pthread.h:289 (python+0x42a37b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #2 PyThread_start_joinable_thread Python/thread_pthread.h:313 (python+0x42a571) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #3 ThreadHandle_start Modules/_threadmodule.c:431 (python+0x4d2cb7) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #4 do_start_new_thread Modules/_threadmodule.c:1794 (python+0x4d2ec0) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
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    #7 _PyObject_MakeTpCall Objects/call.c:242 (python+0x16a6fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
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    #9 PyObject_Vectorcall Objects/call.c:327 (python+0x16aa71) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #10 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2199 (python+0x341ba1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #11 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x1943d6) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
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    #13 gen_iternext Objects/genobject.c:618 (python+0x196a44) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
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    #15 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1440 (python+0x33cfc8) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #16 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #17 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #18 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #19 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x16ec05) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #20 method_vectorcall Objects/classobject.c:93 (python+0x16ede3) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #21 _PyVectorcall_Call Objects/call.c:273 (python+0x16c8e1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #22 _PyObject_Call Objects/call.c:348 (python+0x16cd2b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #23 PyObject_Call Objects/call.c:373 (python+0x16cd8f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #24 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1762 (python+0x33ec1f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #25 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #26 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #27 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #28 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x16c514) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #29 _PyObject_Call_Prepend Objects/call.c:504 (python+0x16c7e9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #30 slot_tp_call Objects/typeobject.c:9987 (python+0x251089) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #31 _PyObject_MakeTpCall Objects/call.c:242 (python+0x16a6fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #32 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x16a9b9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #33 PyObject_Vectorcall Objects/call.c:327 (python+0x16aa71) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #34 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2772 (python+0x345ab7) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #35 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #36 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #37 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #38 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x16ec05) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #39 method_vectorcall Objects/classobject.c:93 (python+0x16ede3) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #40 _PyVectorcall_Call Objects/call.c:273 (python+0x16c8e1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #41 _PyObject_Call Objects/call.c:348 (python+0x16cd2b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #42 PyObject_Call Objects/call.c:373 (python+0x16cd8f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #43 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1762 (python+0x33ec1f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #44 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #45 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #46 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #47 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x16c514) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #48 _PyObject_Call_Prepend Objects/call.c:504 (python+0x16c7e9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #49 slot_tp_call Objects/typeobject.c:9987 (python+0x251089) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #50 _PyObject_MakeTpCall Objects/call.c:242 (python+0x16a6fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #51 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x16a9b9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #52 PyObject_Vectorcall Objects/call.c:327 (python+0x16aa71) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #53 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2772 (python+0x345ab7) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #54 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #55 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #56 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #57 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x16ec05) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #58 method_vectorcall Objects/classobject.c:93 (python+0x16ede3) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #59 _PyVectorcall_Call Objects/call.c:273 (python+0x16c8e1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #60 _PyObject_Call Objects/call.c:348 (python+0x16cd2b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #61 PyObject_Call Objects/call.c:373 (python+0x16cd8f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #62 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1762 (python+0x33ec1f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #63 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #64 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #65 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #66 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x16c514) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #67 _PyObject_Call_Prepend Objects/call.c:504 (python+0x16c7e9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #68 slot_tp_call Objects/typeobject.c:9987 (python+0x251089) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #69 _PyObject_MakeTpCall Objects/call.c:242 (python+0x16a6fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #70 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x16a9b9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #71 PyObject_Vectorcall Objects/call.c:327 (python+0x16aa71) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #72 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2772 (python+0x345ab7) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #73 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #74 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #75 PyEval_EvalCode Python/ceval.c:658 (python+0x368671) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #76 builtin_exec_impl Python/bltinmodule.c:1158 (python+0x3269ec) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #77 builtin_exec Python/clinic/bltinmodule.c.h:560 (python+0x326b38) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #78 cfunction_vectorcall_FASTCALL_KEYWORDS Objects/methodobject.c:452 (python+0x1eda82) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #79 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x16a928) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #80 PyObject_Vectorcall Objects/call.c:327 (python+0x16aa71) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #81 _PyEval_EvalFrameDefault Python/generated_cases.c.h:960 (python+0x33a0e6) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #82 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #83 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #84 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #85 _PyVectorcall_Call Objects/call.c:273 (python+0x16c8e1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #86 _PyObject_Call Objects/call.c:348 (python+0x16cd2b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #87 PyObject_Call Objects/call.c:373 (python+0x16cd8f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #88 pymain_run_module Modules/main.c:349 (python+0x4452e7) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #89 pymain_run_python Modules/main.c:691 (python+0x4465b6) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #90 Py_RunMain Modules/main.c:776 (python+0x446961) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #91 pymain_main Modules/main.c:806 (python+0x446a18) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #92 Py_BytesMain Modules/main.c:830 (python+0x446b77) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #93 main Programs/python.c:15 (python+0x84aeb) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)

  Thread T57 'Thread-57 (runn' (tid=31267, running) created by main thread at:
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    #1 do_start_joinable_thread Python/thread_pthread.h:289 (python+0x42a37b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #2 PyThread_start_joinable_thread Python/thread_pthread.h:313 (python+0x42a571) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #3 ThreadHandle_start Modules/_threadmodule.c:431 (python+0x4d2cb7) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #4 do_start_new_thread Modules/_threadmodule.c:1794 (python+0x4d2ec0) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #5 thread_PyThread_start_joinable_thread Modules/_threadmodule.c:1917 (python+0x4d312e) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
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    #7 _PyObject_MakeTpCall Objects/call.c:242 (python+0x16a6fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #8 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x16a9b9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #9 PyObject_Vectorcall Objects/call.c:327 (python+0x16aa71) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #10 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2199 (python+0x341ba1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #11 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x1943d6) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
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    #13 gen_iternext Objects/genobject.c:618 (python+0x196a44) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
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    #15 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1440 (python+0x33cfc8) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #16 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #17 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #18 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #19 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x16ec05) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #20 method_vectorcall Objects/classobject.c:93 (python+0x16ede3) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #21 _PyVectorcall_Call Objects/call.c:273 (python+0x16c8e1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #22 _PyObject_Call Objects/call.c:348 (python+0x16cd2b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #23 PyObject_Call Objects/call.c:373 (python+0x16cd8f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #24 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1762 (python+0x33ec1f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #25 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #26 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #27 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #28 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x16c514) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #29 _PyObject_Call_Prepend Objects/call.c:504 (python+0x16c7e9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #30 slot_tp_call Objects/typeobject.c:9987 (python+0x251089) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #31 _PyObject_MakeTpCall Objects/call.c:242 (python+0x16a6fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
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    #33 PyObject_Vectorcall Objects/call.c:327 (python+0x16aa71) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #34 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2772 (python+0x345ab7) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #35 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #36 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #37 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #38 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x16ec05) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #39 method_vectorcall Objects/classobject.c:93 (python+0x16ede3) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #40 _PyVectorcall_Call Objects/call.c:273 (python+0x16c8e1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #41 _PyObject_Call Objects/call.c:348 (python+0x16cd2b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #42 PyObject_Call Objects/call.c:373 (python+0x16cd8f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #43 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1762 (python+0x33ec1f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #44 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #45 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #46 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #47 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x16c514) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #48 _PyObject_Call_Prepend Objects/call.c:504 (python+0x16c7e9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #49 slot_tp_call Objects/typeobject.c:9987 (python+0x251089) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #50 _PyObject_MakeTpCall Objects/call.c:242 (python+0x16a6fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #51 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x16a9b9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #52 PyObject_Vectorcall Objects/call.c:327 (python+0x16aa71) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #53 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2772 (python+0x345ab7) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #54 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #55 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #56 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #57 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x16ec05) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #58 method_vectorcall Objects/classobject.c:93 (python+0x16ede3) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #59 _PyVectorcall_Call Objects/call.c:273 (python+0x16c8e1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #60 _PyObject_Call Objects/call.c:348 (python+0x16cd2b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #61 PyObject_Call Objects/call.c:373 (python+0x16cd8f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #62 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1762 (python+0x33ec1f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #63 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #64 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #65 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #66 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x16c514) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #67 _PyObject_Call_Prepend Objects/call.c:504 (python+0x16c7e9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #68 slot_tp_call Objects/typeobject.c:9987 (python+0x251089) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #69 _PyObject_MakeTpCall Objects/call.c:242 (python+0x16a6fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #70 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x16a9b9) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #71 PyObject_Vectorcall Objects/call.c:327 (python+0x16aa71) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #72 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2772 (python+0x345ab7) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #73 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #74 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #75 PyEval_EvalCode Python/ceval.c:658 (python+0x368671) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #76 builtin_exec_impl Python/bltinmodule.c:1158 (python+0x3269ec) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #77 builtin_exec Python/clinic/bltinmodule.c.h:560 (python+0x326b38) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #78 cfunction_vectorcall_FASTCALL_KEYWORDS Objects/methodobject.c:452 (python+0x1eda82) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #79 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x16a928) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #80 PyObject_Vectorcall Objects/call.c:327 (python+0x16aa71) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #81 _PyEval_EvalFrameDefault Python/generated_cases.c.h:960 (python+0x33a0e6) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #82 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x368276) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #83 _PyEval_Vector Python/ceval.c:1911 (python+0x3684fc) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #84 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a4a1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #85 _PyVectorcall_Call Objects/call.c:273 (python+0x16c8e1) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #86 _PyObject_Call Objects/call.c:348 (python+0x16cd2b) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #87 PyObject_Call Objects/call.c:373 (python+0x16cd8f) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #88 pymain_run_module Modules/main.c:349 (python+0x4452e7) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #89 pymain_run_python Modules/main.c:691 (python+0x4465b6) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #90 Py_RunMain Modules/main.c:776 (python+0x446961) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #91 pymain_main Modules/main.c:806 (python+0x446a18) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #92 Py_BytesMain Modules/main.c:830 (python+0x446b77) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)
    #93 main Programs/python.c:15 (python+0x84aeb) (BuildId: d5d547e374d1a5b2826107abad232e80114df33f)

SUMMARY: ThreadSanitizer: data race Include/internal/pycore_frame.h:98 in _PyFrame_GetBytecode

WARNING: ThreadSanitizer: data race (pid=5796)
  Read of size 8 at 0x7facabdf9248 by main thread:
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    #33 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a497) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
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    #84 PyObject_Vectorcall Objects/call.c:327 (python+0x16aa67) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #85 _PyEval_EvalFrameDefault Python/generated_cases.c.h:960 (python+0x33a0da) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #86 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x36826a) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #87 _PyEval_Vector Python/ceval.c:1911 (python+0x3684f0) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #88 _PyFunction_Vectorcall Objects/call.c:413 (python+0x16a497) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #89 _PyVectorcall_Call Objects/call.c:273 (python+0x16c8d7) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #90 _PyObject_Call Objects/call.c:348 (python+0x16cd21) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #91 PyObject_Call Objects/call.c:373 (python+0x16cd85) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #92 pymain_run_module Modules/main.c:349 (python+0x445287) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #93 pymain_run_python Modules/main.c:691 (python+0x446556) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #94 Py_RunMain Modules/main.c:776 (python+0x446901) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #95 pymain_main Modules/main.c:806 (python+0x4469b8) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #96 Py_BytesMain Modules/main.c:830 (python+0x446b17) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)
    #97 main Programs/python.c:15 (python+0x84aeb) (BuildId: 2a7129e7efc6d9757fb757ba515af9799469be95)

SUMMARY: ThreadSanitizer: data race Objects/exceptions.c:415 in PyException_GetTraceback
==================

Linked PRs

• gh-128421: make getters and setters of BaseException thread safe #128728
• gh-128421: make exception group methods thread safe #129298
• gh-128421: add critical section around traceback.tb_next #131322
• gh-128421: Add locking to most frame object functions #131479
• gh-128421: Avoid TSAN warnings in sys._current_frames() #131548

[colesbury]

Hmmm... this looks like a TSan report during a crash. Faulthandler's dumping of threads isn't thread-safe and we should deal with that (most likely by only printing the stack trace of the faulting thread), but the important thing is that test_asyncio is apparently crashing with the PR. The underlying crash is not going to be fixed by suppressions.

[kumaraditya303]

✦ ❯ env TSAN_OPTIONS=suppressions={$PWD}/Tools/tsan/suppressions_free_threading.txt ./python -m test test_asyncio.test_free_threading -j4 -F
Using random seed: 3369581851
0:00:00 load avg: 6.42 Run tests in parallel using 4 worker processes
0:00:24 load avg: 7.00 [  1] test_asyncio.test_free_threading passed
0:00:24 load avg: 7.00 [  2] test_asyncio.test_free_threading passed
0:00:25 load avg: 7.00 [  3] test_asyncio.test_free_threading passed
0:00:25 load avg: 7.00 [  4] test_asyncio.test_free_threading passed
0:00:50 load avg: 8.56 [  5] test_asyncio.test_free_threading passed
0:00:50 load avg: 8.56 [  6] test_asyncio.test_free_threading passed
0:00:51 load avg: 8.56 [  7] test_asyncio.test_free_threading passed
0:01:18 load avg: 7.61 [  8] test_asyncio.test_free_threading passed -- running (1): test_asyncio.test_free_threading (53.0 sec)
0:01:18 load avg: 7.61 [  9] test_asyncio.test_free_threading passed -- running (1): test_asyncio.test_free_threading (53.8 sec)
0:01:19 load avg: 7.61 [ 10] test_asyncio.test_free_threading passed -- running (1): test_asyncio.test_free_threading (54.0 sec)
0:01:25 load avg: 7.56 [ 11/1] test_asyncio.test_free_threading worker non-zero exit code (Exit code -6 (SIGABRT))
Debug memory block at address p=0x7f6a1e112930: API 'o'
    176 bytes originally requested
    The 7 pad bytes at p-7 are FORBIDDENBYTE, as expected.
    The 8 pad bytes at tail=0x7f6a1e1129e0 are not all FORBIDDENBYTE (0xfd):
        at tail+0: 0x0c *** OUCH
        at tail+1: 0xfd
        at tail+2: 0xfd
        at tail+3: 0xfd
        at tail+4: 0xfd
        at tail+5: 0xfd
        at tail+6: 0xfd
        at tail+7: 0xfd
    Data at p: 00 00 00 00 00 00 00 00 ... 0a 0b 08 09 07 04 03 02

Enable tracemalloc to get the memory block allocation traceback

Fatal Python error: _PyMem_DebugRawFree: bad trailing pad byte
Python runtime state: initialized

Thread 0x00007f6a02bfe6c0 (most recent call first):
  File "/home/realkumaraditya/cpython/Lib/asyncio/futures.py", line 183 in done
python: ./Include/internal/pycore_frame.h:88: _PyFrame_GetCode: Assertion `PyCode_Check(executable)' failed.
Fatal Python error: Aborted

<Cannot show all threads while the GIL is disabled>
Stack (most recent call first):
  File "/home/realkumaraditya/cpython/Lib/asyncio/runners.py", line 208 in _cancel_all_tasks
  File "/home/realkumaraditya/cpython/Lib/asyncio/runners.py", line 71 in close
  File "/home/realkumaraditya/cpython/Lib/asyncio/runners.py", line 63 in __exit__
  File "/home/realkumaraditya/cpython/Lib/test/test_asyncio/test_free_threading.py", line 46 in runner
  File "/home/realkumaraditya/cpython/Lib/threading.py", line 996 in run
  File "/home/realkumaraditya/cpython/Lib/threading.py", line 1054 in _bootstrap_inner
  File "/home/realkumaraditya/cpython/Lib/threading.py", line 1016 in _bootstrap
Kill <WorkerThread #2 running test=test_asyncio.test_free_threading pid=11853 time=6.8 sec> process group
Kill <WorkerThread #3 running test=test_asyncio.test_free_threading pid=11860 time=6.5 sec> process group
Kill <WorkerThread #4 running test=test_asyncio.test_free_threading pid=11852 time=7.5 sec> process group

== Tests result: FAILURE ==

1 test failed:
    test_asyncio.test_free_threading

10 tests OK.

Total duration: 1 min 25 sec
Total tests: run=160
Total test files: run=11 failed=1
Result: FAILURE

@colesbury I wrote more thread safety tests for asyncio at #128480 and I see this crash sometimes. I'll try to write more tests to find these.