❯ env TSAN_OPTIONS="halt_on_error=1" ./python -m test test_asyncio.test_sendfile -j 4 -F Using random seed: 1915823234 0:00:00 load avg: 5.66 Run tests in parallel using 4 worker processes 0:00:06 load avg: 5.53 [ 1/1] test_asyncio.test_sendfile worker non-zero exit code (Exit code 66) ================== WARNING: ThreadSanitizer: data race (pid=93940)  Read of size 8 at 0x7f082d0cf000 by main thread:  #0 sendmsg ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:3223 (libtsan.so.2+0x69dd9) (BuildId: 38097064631f7912bd33117a9c83d08b42e15571)  #1 sock_sendmsg_impl Modules/socketmodule.c:4755 (_socket.cpython-314t-x86_64-linux-gnu.so+0x16b16) (BuildId: 73e0b0e9f457718295725baa7ce1dda77cb843a0)  #2 sock_call_ex Modules/socketmodule.c:996 (_socket.cpython-314t-x86_64-linux-gnu.so+0x16b16)  #3 sock_call Modules/socketmodule.c:1048 (_socket.cpython-314t-x86_64-linux-gnu.so+0x16b16)  #4 sock_sendmsg Modules/socketmodule.c:4929 (_socket.cpython-314t-x86_64-linux-gnu.so+0x16b16)  #5 method_vectorcall_VARARGS Objects/descrobject.c:324 (python+0x16edd3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #6 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x14f931) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #7 PyObject_Vectorcall Objects/call.c:327 (python+0x14f931)  #8 _PyEval_EvalFrameDefault Python/generated_cases.c.h:3837 (python+0x8bba6) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #9 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #10 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #11 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #12 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x155808) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #13 method_vectorcall Objects/classobject.c:72 (python+0x155808)  #14 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x3ae7df) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #15 context_run Python/context.c:728 (python+0x3ae7df)  #16 cfunction_vectorcall_FASTCALL_KEYWORDS Objects/methodobject.c:452 (python+0x203be9) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #17 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #18 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #19 PyObject_Call Objects/call.c:373 (python+0x152701)  #20 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2424 (python+0x8f52d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #21 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #22 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #23 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #24 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x15568d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #25 method_vectorcall Objects/classobject.c:94 (python+0x15568d)  #26 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #27 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #28 PyObject_Call Objects/call.c:373 (python+0x152701)  #29 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2424 (python+0x8f52d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #30 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #31 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #32 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #33 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x151dae) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #34 _PyObject_Call_Prepend Objects/call.c:504 (python+0x1520c3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #35 slot_tp_call Objects/typeobject.c:10058 (python+0x27afd3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #36 _PyObject_MakeTpCall Objects/call.c:242 (python+0x14eaa2) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #37 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x14fa28) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #38 _PyObject_VectorcallTstate Include/internal/pycore_call.h:152 (python+0x14fa28)  #39 PyObject_Vectorcall Objects/call.c:327 (python+0x14fa28)  #40 _PyEval_EvalFrameDefault Python/generated_cases.c.h:3837 (python+0x8bba6) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #41 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #42 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #43 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #44 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x15568d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #45 method_vectorcall Objects/classobject.c:94 (python+0x15568d)  #46 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #47 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #48 PyObject_Call Objects/call.c:373 (python+0x152701)  #49 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2424 (python+0x8f52d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #50 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #51 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #52 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #53 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x151dae) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #54 _PyObject_Call_Prepend Objects/call.c:504 (python+0x1520c3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #55 slot_tp_call Objects/typeobject.c:10058 (python+0x27afd3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #56 _PyObject_MakeTpCall Objects/call.c:242 (python+0x14eaa2) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #57 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x14fa28) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #58 _PyObject_VectorcallTstate Include/internal/pycore_call.h:152 (python+0x14fa28)  #59 PyObject_Vectorcall Objects/call.c:327 (python+0x14fa28)  #60 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1375 (python+0x8bfa8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #61 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #62 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #63 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #64 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x15568d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #65 method_vectorcall Objects/classobject.c:94 (python+0x15568d)  #66 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #67 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #68 PyObject_Call Objects/call.c:373 (python+0x152701)  #69 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2424 (python+0x8f52d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #70 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #71 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #72 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #73 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x151dae) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #74 _PyObject_Call_Prepend Objects/call.c:504 (python+0x1520c3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #75 slot_tp_call Objects/typeobject.c:10058 (python+0x27afd3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #76 _PyObject_MakeTpCall Objects/call.c:242 (python+0x14eaa2) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #77 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x14fa28) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #78 _PyObject_VectorcallTstate Include/internal/pycore_call.h:152 (python+0x14fa28)  #79 PyObject_Vectorcall Objects/call.c:327 (python+0x14fa28)  #80 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1375 (python+0x8bfa8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #81 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381684) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #82 _PyEval_Vector Python/ceval.c:1903 (python+0x381684)  #83 PyEval_EvalCode Python/ceval.c:831 (python+0x381684)  #84 builtin_exec_impl Python/bltinmodule.c:1165 (python+0x36e8e6) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #85 builtin_exec Python/clinic/bltinmodule.c.h:560 (python+0x36e8e6)  #86 cfunction_vectorcall_FASTCALL_KEYWORDS Objects/methodobject.c:452 (python+0x203be9) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #87 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x14f931) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #88 PyObject_Vectorcall Objects/call.c:327 (python+0x14f931)  #89 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1375 (python+0x8bfa8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #90 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #91 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #92 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #93 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #94 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #95 PyObject_Call Objects/call.c:373 (python+0x152701)  #96 pymain_run_module Modules/main.c:337 (python+0x48e95c) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #97 pymain_run_python Modules/main.c:673 (python+0x48f6bc) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #98 Py_RunMain Modules/main.c:760 (python+0x490b72) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #99 pymain_main Modules/main.c:790 (python+0x490b72)  #100 Py_BytesMain Modules/main.c:814 (python+0x490b72)  #101 main Programs/python.c:15 (python+0x85ce2) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  Previous write of size 8 at 0x7f082d0cf000 by thread T3:  #0 memcpy ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors_memintrinsics.inc:115 (libtsan.so.2+0x8bd30) (BuildId: 38097064631f7912bd33117a9c83d08b42e15571)  #1 memcpy ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors_memintrinsics.inc:107 (libtsan.so.2+0x8bd30)  #2 memcpy /usr/include/x86_64-linux-gnu/bits/string_fortified.h:29 (python+0x4e8064) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #3 _buffered_readinto_generic Modules/_io/bufferedio.c:1132 (python+0x4e8064)  #4 _io__Buffered_readinto_impl Modules/_io/bufferedio.c:1174 (python+0x4e88a2) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #5 _io__Buffered_readinto Modules/_io/clinic/bufferedio.c.h:750 (python+0x4e88a2)  #6 cfunction_vectorcall_O Objects/methodobject.c:523 (python+0x204766) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #7 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #8 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #9 PyObject_Call Objects/call.c:373 (python+0x152701)  #10 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2424 (python+0x8f52d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #11 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #12 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #13 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #14 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x155808) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #15 method_vectorcall Objects/classobject.c:72 (python+0x155808)  #16 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #17 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #18 PyObject_Call Objects/call.c:373 (python+0x152701)  #19 thread_run Modules/_threadmodule.c:351 (python+0x537705) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #20 pythread_wrapper Python/thread_pthread.h:242 (python+0x46efc9) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  Thread T3 'asyncio_0' (tid=94001, running) created by main thread at:  #0 pthread_create ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:1022 (libtsan.so.2+0x5ac1a) (BuildId: 38097064631f7912bd33117a9c83d08b42e15571)  #1 do_start_joinable_thread Python/thread_pthread.h:289 (python+0x46f45e) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #2 PyThread_start_joinable_thread Python/thread_pthread.h:313 (python+0x46f45e)  #3 ThreadHandle_start Modules/_threadmodule.c:436 (python+0x538a88) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #4 do_start_new_thread Modules/_threadmodule.c:1821 (python+0x538a88)  #5 thread_PyThread_start_joinable_thread Modules/_threadmodule.c:1944 (python+0x5393a1) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #6 cfunction_call Objects/methodobject.c:551 (python+0x203de6) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #7 _PyObject_MakeTpCall Objects/call.c:242 (python+0x14eaa2) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #8 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x14fa28) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #9 _PyObject_VectorcallTstate Include/internal/pycore_call.h:152 (python+0x14fa28)  #10 PyObject_Vectorcall Objects/call.c:327 (python+0x14fa28)  #11 _PyEval_EvalFrameDefault Python/generated_cases.c.h:3012 (python+0x8d3aa) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #12 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #13 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #14 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #15 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x15568d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #16 method_vectorcall Objects/classobject.c:94 (python+0x15568d)  #17 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #18 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #19 PyObject_Call Objects/call.c:373 (python+0x152701)  #20 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2424 (python+0x8f52d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #21 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x18ceb4) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #22 gen_send_ex2 Objects/genobject.c:255 (python+0x18ceb4)  #23 PyGen_am_send Objects/genobject.c:290 (python+0x18ceb4)  #24 PyIter_Send Objects/abstract.c:2927 (python+0x11eb9e) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #25 task_step_impl Modules/_asynciomodule.c:3107 (_asyncio.cpython-314t-x86_64-linux-gnu.so+0x174e9) (BuildId: 164fd5a36b46f7b2595be1a06a2a688717176ee8)  #26 task_step Modules/_asynciomodule.c:3447 (_asyncio.cpython-314t-x86_64-linux-gnu.so+0x19baa) (BuildId: 164fd5a36b46f7b2595be1a06a2a688717176ee8)  #27 TaskStepMethWrapper_call Modules/_asynciomodule.c:2105 (_asyncio.cpython-314t-x86_64-linux-gnu.so+0x1ad79) (BuildId: 164fd5a36b46f7b2595be1a06a2a688717176ee8)  #28 _PyObject_MakeTpCall Objects/call.c:242 (python+0x14eaa2) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #29 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x3ae9e7) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #30 context_run Python/context.c:728 (python+0x3ae9e7)  #31 cfunction_vectorcall_FASTCALL_KEYWORDS Objects/methodobject.c:452 (python+0x203be9) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #32 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #33 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #34 PyObject_Call Objects/call.c:373 (python+0x152701)  #35 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2424 (python+0x8f52d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #36 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #37 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #38 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #39 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x15568d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #40 method_vectorcall Objects/classobject.c:94 (python+0x15568d)  #41 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #42 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #43 PyObject_Call Objects/call.c:373 (python+0x152701)  #44 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2424 (python+0x8f52d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #45 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #46 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #47 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #48 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x151dae) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #49 _PyObject_Call_Prepend Objects/call.c:504 (python+0x1520c3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #50 slot_tp_call Objects/typeobject.c:10058 (python+0x27afd3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #51 _PyObject_MakeTpCall Objects/call.c:242 (python+0x14eaa2) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #52 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x14fa28) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #53 _PyObject_VectorcallTstate Include/internal/pycore_call.h:152 (python+0x14fa28)  #54 PyObject_Vectorcall Objects/call.c:327 (python+0x14fa28)  #55 _PyEval_EvalFrameDefault Python/generated_cases.c.h:3837 (python+0x8bba6) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #56 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #57 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #58 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #59 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x15568d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #60 method_vectorcall Objects/classobject.c:94 (python+0x15568d)  #61 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #62 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #63 PyObject_Call Objects/call.c:373 (python+0x152701)  #64 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2424 (python+0x8f52d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #65 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #66 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #67 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #68 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x151dae) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #69 _PyObject_Call_Prepend Objects/call.c:504 (python+0x1520c3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #70 slot_tp_call Objects/typeobject.c:10058 (python+0x27afd3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #71 _PyObject_MakeTpCall Objects/call.c:242 (python+0x14eaa2) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #72 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x14fa28) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #73 _PyObject_VectorcallTstate Include/internal/pycore_call.h:152 (python+0x14fa28)  #74 PyObject_Vectorcall Objects/call.c:327 (python+0x14fa28)  #75 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1375 (python+0x8bfa8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #76 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #77 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #78 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #79 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x15568d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #80 method_vectorcall Objects/classobject.c:94 (python+0x15568d)  #81 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #82 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #83 PyObject_Call Objects/call.c:373 (python+0x152701)  #84 _PyEval_EvalFrameDefault Python/generated_cases.c.h:2424 (python+0x8f52d) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #85 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #86 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #87 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #88 _PyObject_VectorcallDictTstate Objects/call.c:135 (python+0x151dae) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #89 _PyObject_Call_Prepend Objects/call.c:504 (python+0x1520c3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #90 slot_tp_call Objects/typeobject.c:10058 (python+0x27afd3) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #91 _PyObject_MakeTpCall Objects/call.c:242 (python+0x14eaa2) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #92 _PyObject_VectorcallTstate Include/internal/pycore_call.h:165 (python+0x14fa28) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #93 _PyObject_VectorcallTstate Include/internal/pycore_call.h:152 (python+0x14fa28)  #94 PyObject_Vectorcall Objects/call.c:327 (python+0x14fa28)  #95 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1375 (python+0x8bfa8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #96 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381684) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #97 _PyEval_Vector Python/ceval.c:1903 (python+0x381684)  #98 PyEval_EvalCode Python/ceval.c:831 (python+0x381684)  #99 builtin_exec_impl Python/bltinmodule.c:1165 (python+0x36e8e6) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #100 builtin_exec Python/clinic/bltinmodule.c.h:560 (python+0x36e8e6)  #101 cfunction_vectorcall_FASTCALL_KEYWORDS Objects/methodobject.c:452 (python+0x203be9) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #102 _PyObject_VectorcallTstate Include/internal/pycore_call.h:167 (python+0x14f931) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #103 PyObject_Vectorcall Objects/call.c:327 (python+0x14f931)  #104 _PyEval_EvalFrameDefault Python/generated_cases.c.h:1375 (python+0x8bfa8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #105 _PyEval_EvalFrame Include/internal/pycore_ceval.h:116 (python+0x381cc8) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #106 _PyEval_Vector Python/ceval.c:1903 (python+0x381cc8)  #107 _PyFunction_Vectorcall Objects/call.c:413 (python+0x14fd4b) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #108 _PyVectorcall_Call Objects/call.c:273 (python+0x152147) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #109 _PyObject_Call Objects/call.c:348 (python+0x152701) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #110 PyObject_Call Objects/call.c:373 (python+0x152701)  #111 pymain_run_module Modules/main.c:337 (python+0x48e95c) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #112 pymain_run_python Modules/main.c:673 (python+0x48f6bc) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #113 Py_RunMain Modules/main.c:760 (python+0x490b72) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2)  #114 pymain_main Modules/main.c:790 (python+0x490b72)  #115 Py_BytesMain Modules/main.c:814 (python+0x490b72)  #116 main Programs/python.c:15 (python+0x85ce2) (BuildId: 6e4283fbb4478682ac711d38bd84278fe71b8bf2) SUMMARY: ThreadSanitizer: data race Modules/socketmodule.c:4755 in sock_sendmsg_impl ================== Kill <WorkerThread #2 running test=test_asyncio.test_sendfile pid=93939 time=6.5 sec> process group Kill <WorkerThread #3 running test=test_asyncio.test_sendfile pid=93942 time=6.5 sec> process group Kill <WorkerThread #4 running test=test_asyncio.test_sendfile pid=93941 time=6.5 sec> process group