New submission from Dhiraj <[email protected]>:
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 <[email protected]>
<https://bugs.python.org/issue35774>
_______________________________________
_______________________________________________
Python-bugs-list mailing list
Unsubscribe:
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
