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memory leak in array.array #140474
Description
Bug report
Bug description:
import unittest
import array
class UnicodeTest(unittest.TestCase):
typecode = 'u'
def test(self):
invalid_str = ''
a = array.array(self.typecode, invalid_str)
if __name__ == "__main__":
unittest.main()=================================================================
==2132310==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 4 byte(s) in 1 object(s) allocated from:
#0 0x7e19c9bb79c7 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
#1 0x6233e8b99bb8 in PyUnicode_AsWideCharString ../Objects/unicodeobject.c:3380
#2 0x7e19c6456922 in array_new ../Modules/arraymodule.c:2822
#3 0x6233e8aec8e8 in type_call ../Objects/typeobject.c:2449
#4 0x6233e89484cd in _PyObject_MakeTpCall ../Objects/call.c:242
#5 0x6233e87ebad2 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:1620
#6 0x6233e8cceb55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
#7 0x6233e8cceb55 in _PyEval_Vector ../Python/ceval.c:2001
#8 0x6233e8953d90 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
#9 0x6233e8953d90 in method_vectorcall ../Objects/classobject.c:95
#10 0x6233e894effe in _PyVectorcall_Call ../Objects/call.c:273
#11 0x6233e894effe in _PyObject_Call ../Objects/call.c:348
#12 0x6233e894effe in PyObject_Call ../Objects/call.c:373
#13 0x6233e87eeeb7 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:2616
#14 0x6233e8cceb55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
#15 0x6233e8cceb55 in _PyEval_Vector ../Python/ceval.c:2001
#16 0x6233e894d623 in _PyObject_VectorcallDictTstate ../Objects/call.c:135
#17 0x6233e894dcdc in _PyObject_Call_Prepend ../Objects/call.c:504
#18 0x6233e8b0e444 in call_method ../Objects/typeobject.c:3077
#19 0x6233e8b0e444 in slot_tp_call ../Objects/typeobject.c:10606
#20 0x6233e89484cd in _PyObject_MakeTpCall ../Objects/call.c:242
#21 0x6233e87ec7ac in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:4021
#22 0x6233e8cceb55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
#23 0x6233e8cceb55 in _PyEval_Vector ../Python/ceval.c:2001
#24 0x6233e8953d90 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
#25 0x6233e8953d90 in method_vectorcall ../Objects/classobject.c:95
#26 0x6233e894effe in _PyVectorcall_Call ../Objects/call.c:273
#27 0x6233e894effe in _PyObject_Call ../Objects/call.c:348
#28 0x6233e894effe in PyObject_Call ../Objects/call.c:373
#29 0x6233e87eeeb7 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:2616
#30 0x6233e8cceb55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
#31 0x6233e8cceb55 in _PyEval_Vector ../Python/ceval.c:2001
#32 0x6233e894d623 in _PyObject_VectorcallDictTstate ../Objects/call.c:135
#33 0x6233e894dcdc in _PyObject_Call_Prepend ../Objects/call.c:504
#34 0x6233e8b0e444 in call_method ../Objects/typeobject.c:3077
#35 0x6233e8b0e444 in slot_tp_call ../Objects/typeobject.c:10606
#36 0x6233e89484cd in _PyObject_MakeTpCall ../Objects/call.c:242
#37 0x6233e87ebad2 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:1620
#38 0x6233e8cceb55 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
#39 0x6233e8cceb55 in _PyEval_Vector ../Python/ceval.c:2001
#40 0x6233e8953d90 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
#41 0x6233e8953d90 in method_vectorcall ../Objects/classobject.c:95
#42 0x6233e894effe in _PyVectorcall_Call ../Objects/call.c:273
#43 0x6233e894effe in _PyObject_Call ../Objects/call.c:348
#44 0x6233e894effe in PyObject_Call ../Objects/call.c:373
#45 0x6233e87eeeb7 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:2616
SUMMARY: AddressSanitizer: 4 byte(s) leaked in 1 allocation(s).
CPython versions tested on:
3.15
Operating systems tested on:
Linux
Activity
gh-140474: Fix memory leak in `array.array` (GH-140478)
pythongh-140474: Fix memory leak in `array.array` (pythonGH-140478)
pythongh-140474: Fix memory leak in `array.array` (pythonGH-140478)
[3.14] gh-140474: Fix memory leak in `array.array` (GH-140478) (GH-14…
[3.13] gh-140474: Fix memory leak in `array.array` (GH-140478) (GH-14…
pythongh-140474: Fix memory leak in `array.array` (pythonGH-140478)