New submission from Dhiraj <mishra.dhira...@gmail.com>:
Hi Team, I have compiled cpython via clang using ASAN and memory leak was observed. After successful build of python, 1. Run python 2. Ctrl + D ==21461==ERROR: LeakSanitizer: detected memory leaks Direct leak of 257790 byte(s) in 93 object(s) allocated from: #0 0x4f1460 in malloc (/home/input0/Desktop/cpython/python+0x4f1460) #1 0x63fc59 in PyMem_RawMalloc /home/input0/Desktop/cpython/Objects/obmalloc.c:527:12 #2 0x63fc59 in _PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:1550 #3 0x644d77 in PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:640:12 Direct leak of 1640 byte(s) in 3 object(s) allocated from: #0 0x4f1460 in malloc (/home/input0/Desktop/cpython/python+0x4f1460) #1 0x63fc59 in PyMem_RawMalloc /home/input0/Desktop/cpython/Objects/obmalloc.c:527:12 #2 0x63fc59 in _PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:1550 #3 0x644d77 in PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:640:12 #4 0x96cea4 in _PyObject_GC_Malloc /home/input0/Desktop/cpython/Modules/gcmodule.c:1908:12 #5 0x96cea4 in _PyObject_GC_NewVar /home/input0/Desktop/cpython/Modules/gcmodule.c:1937 Direct leak of 663 byte(s) in 1 object(s) allocated from: #0 0x4f1460 in malloc (/home/input0/Desktop/cpython/python+0x4f1460) #1 0x63fc59 in PyMem_RawMalloc /home/input0/Desktop/cpython/Objects/obmalloc.c:527:12 #2 0x63fc59 in _PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:1550 #3 0x644d77 in PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:640:12 #4 0x8b9dd8 in r_object /home/input0/Desktop/cpython/Python/marshal.c:1362:20 #5 0x8b84a5 in r_object /home/input0/Desktop/cpython/Python/marshal.c:1194:18 #6 0x8b9e09 in r_object /home/input0/Desktop/cpython/Python/marshal.c:1365:22 #7 0x8bf86a in read_object /home/input0/Desktop/cpython/Python/marshal.c:1451:9 #8 0x8bf86a in marshal_loads_impl /home/input0/Desktop/cpython/Python/marshal.c:1763 #9 0x8bf86a in marshal_loads /home/input0/Desktop/cpython/Python/clinic/marshal.c.h:158 #10 0x564da7 in _PyMethodDef_RawFastCallKeywords /home/input0/Desktop/cpython/Objects/call.c Direct leak of 579 byte(s) in 1 object(s) allocated from: #0 0x4f1460 in malloc (/home/input0/Desktop/cpython/python+0x4f1460) #1 0x63fc59 in PyMem_RawMalloc /home/input0/Desktop/cpython/Objects/obmalloc.c:527:12 #2 0x63fc59 in _PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:1550 #3 0x644d77 in PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:640:12 #4 0x8b9dd8 in r_object /home/input0/Desktop/cpython/Python/marshal.c:1362:20 #5 0x8b84a5 in r_object /home/input0/Desktop/cpython/Python/marshal.c:1194:18 #6 0x8b9e09 in r_object /home/input0/Desktop/cpython/Python/marshal.c:1365:22 #7 0x8b84a5 in r_object /home/input0/Desktop/cpython/Python/marshal.c:1194:18 #8 0x8b9e09 in r_object /home/input0/Desktop/cpython/Python/marshal.c:1365:22 #9 0x8b409d in PyMarshal_ReadObjectFromString /home/input0/Desktop/cpython/Python/marshal.c:1568:14 #10 0x8a0d81 in get_frozen_object /home/input0/Desktop/cpython/Python/import.c:1277:12 #11 0x8a0d81 in _imp_get_frozen_object_impl /home/input0/Desktop/cpython/Python/import.c:2036 #12 0x8a0d81 in _imp_get_frozen_object /home/input0/Desktop/cpython/Python/clinic/import.c.h:198 #13 0x5623eb in _PyCFunction_FastCallDict /home/input0/Desktop/cpython/Objects/call.c:584:14 #14 0x5623eb in PyCFunction_Call /home/input0/Desktop/cpython/Objects/call.c:789 Direct leak of 536 byte(s) in 1 object(s) allocated from: #0 0x4f1460 in malloc (/home/input0/Desktop/cpython/python+0x4f1460) #1 0x6403b0 in PyMem_RawMalloc /home/input0/Desktop/cpython/Objects/obmalloc.c:527:12 #2 0x6403b0 in _PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:1550 #3 0x6403b0 in pymalloc_realloc /home/input0/Desktop/cpython/Objects/obmalloc.c:1869 #4 0x6403b0 in _PyObject_Realloc /home/input0/Desktop/cpython/Objects/obmalloc.c:1888 #5 0x644ead in PyObject_Realloc /home/input0/Desktop/cpython/Objects/obmalloc.c:658:12 Indirect leak of 15640 byte(s) in 17 object(s) allocated from: #0 0x4f1460 in malloc (/home/input0/Desktop/cpython/python+0x4f1460) #1 0x63fc59 in PyMem_RawMalloc /home/input0/Desktop/cpython/Objects/obmalloc.c:527:12 #2 0x63fc59 in _PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:1550 #3 0x644d77 in PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:640:12 #4 0x675f9a in PyType_GenericAlloc /home/input0/Desktop/cpython/Objects/typeobject.c:975:15 Indirect leak of 7440 byte(s) in 7 object(s) allocated from: #0 0x4f1460 in malloc (/home/input0/Desktop/cpython/python+0x4f1460) #1 0x63fc59 in PyMem_RawMalloc /home/input0/Desktop/cpython/Objects/obmalloc.c:527:12 #2 0x63fc59 in _PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:1550 #3 0x644d77 in PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:640:12 Indirect leak of 2571 byte(s) in 2 object(s) allocated from: #0 0x4f1460 in malloc (/home/input0/Desktop/cpython/python+0x4f1460) #1 0x63fc59 in PyMem_RawMalloc /home/input0/Desktop/cpython/Objects/obmalloc.c:527:12 #2 0x63fc59 in _PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:1550 #3 0x644d77 in PyObject_Malloc /home/input0/Desktop/cpython/Objects/obmalloc.c:640:12 #4 0x687d07 in type_call /home/input0/Desktop/cpython/Objects/typeobject.c:934:11 SUMMARY: AddressSanitizer: 286859 byte(s) leaked in 125 allocation(s). ---------- messages: 333958 nosy: Dhiraj_Mishra priority: normal severity: normal status: open title: ASAN, memory leak type: security versions: Python 3.8 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue35774> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com