Memory leak when object.__hash__ returns a non-int value #140406
Description
Bug report
Bug description:
try:
from _testinternalcapi import hamt
except ImportError:
def wrapper(*args, **kwargs):
return ctx.run(func, *args, **kwargs)
class HashKey:
_crasher = None
def __init__(self, hash, name, *, error_on_eq_to=None):
self.hash = hash
def __repr__(self):
return f'<fusion name:{self.name} hash:{self.hash}>'
def __hash__(self):
if self._crasher is not None and self._crasher.error_on_hash:
raise HashingError
return self.hash
A = HashKey(float('inf'), 'A')
h = hamt()
h = h.set(A, h)TypeError: __hash__ method should return an integer
=================================================================
==332029==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 24 byte(s) in 1 object(s) allocated from:
#0 0x7b04299839c7 in malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
#1 0x5665f9652ed9 in PyFloat_FromDouble ../Objects/floatobject.c:128
#2 0x5665f9bdb081 in fill_time ../Modules/posixmodule.c:2681
#3 0x5665f9bdb79e in _pystat_fromstructstat ../Modules/posixmodule.c:2796
#4 0x5665f9bdd5bc in posix_do_stat ../Modules/posixmodule.c:2918
#5 0x5665f9be7ccc in os_stat_impl ../Modules/posixmodule.c:3285
#6 0x5665f9be7ccc in os_stat ../Modules/clinic/posixmodule.c.h:105
#7 0x5665f94b1e79 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:2361
#8 0x5665f99698e5 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
#9 0x5665f99698e5 in _PyEval_Vector ../Python/ceval.c:2001
#10 0x5665f95e9da2 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
#11 0x5665f95e9da2 in object_vacall ../Objects/call.c:819
#12 0x5665f95ed3f1 in PyObject_CallMethodObjArgs ../Objects/call.c:886
#13 0x5665f9a318c3 in import_find_and_load ../Python/import.c:3701
#14 0x5665f9a318c3 in PyImport_ImportModuleLevelObject ../Python/import.c:3783
#15 0x5665f994c0fc in builtin___import___impl ../Python/bltinmodule.c:285
#16 0x5665f994c0fc in builtin___import__ ../Python/clinic/bltinmodule.c.h:110
#17 0x5665f95eac27 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
#18 0x5665f95eac27 in PyObject_Vectorcall ../Objects/call.c:327
#19 0x5665f948ef80 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:3188
#20 0x5665f99698e5 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
#21 0x5665f99698e5 in _PyEval_Vector ../Python/ceval.c:2001
#22 0x5665f95eaf6d in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
#23 0x5665f95eaf6d in PyObject_CallOneArg ../Objects/call.c:395
#24 0x5665f996f6bd in _PyCodec_Lookup ../Python/codecs.c:184
#25 0x5665f9971185 in _PyCodec_LookupTextEncoding ../Python/codecs.c:519
#26 0x5665f9971185 in codec_getitem_checked ../Python/codecs.c:568
#27 0x5665f9971185 in _PyCodec_TextDecoder ../Python/codecs.c:584
#28 0x5665f9971185 in _PyCodec_DecodeText ../Python/codecs.c:606
#29 0x5665f9875f13 in PyUnicode_Decode ../Objects/unicodeobject.c:3662
#30 0x5665f9876942 in PyUnicode_FromEncodedObject ../Objects/unicodeobject.c:3511
#31 0x5665f95c83e9 in bytes_decode_impl ../Objects/bytesobject.c:2488
#32 0x5665f95c83e9 in bytes_decode ../Objects/clinic/bytesobject.c.h:1130
#33 0x5665f95eac27 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
#34 0x5665f95eac27 in PyObject_Vectorcall ../Objects/call.c:327
#35 0x5665f948cad2 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:1620
#36 0x5665f9969116 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
#37 0x5665f9969116 in _PyEval_Vector ../Python/ceval.c:2001
#38 0x5665f9969116 in PyEval_EvalCode ../Python/ceval.c:884
#39 0x5665f99534e8 in builtin_exec_impl ../Python/bltinmodule.c:1180
#40 0x5665f99534e8 in builtin_exec ../Python/clinic/bltinmodule.c.h:571
#41 0x5665f94b1e79 in _PyEval_EvalFrameDefault ../Python/generated_cases.c.h:2361
#42 0x5665f99698e5 in _PyEval_EvalFrame ../Include/internal/pycore_ceval.h:121
#43 0x5665f99698e5 in _PyEval_Vector ../Python/ceval.c:2001
#44 0x5665f95e9da2 in _PyObject_VectorcallTstate ../Include/internal/pycore_call.h:169
#45 0x5665f95e9da2 in object_vacall ../Objects/call.c:819
#46 0x5665f95ed3f1 in PyObject_CallMethodObjArgs ../Objects/call.c:886
#47 0x5665f9a318c3 in import_find_and_load ../Python/import.c:3701
#48 0x5665f9a318c3 in PyImport_ImportModuleLevelObject ../Python/import.c:3783
SUMMARY: AddressSanitizer: 24 byte(s) leaked in 1 allocation(s).
CPython versions tested on:
CPython main branch
Operating systems tested on:
Linux