Issue 31408: Leak in typeobject.c (original) (raw)

Issue31408

Created on 2017-09-10 16:04 by skrah, last changed 2022-04-11 14:58 by admin. This issue is now closed.

Messages (4)
msg301812 - (view) Author: Stefan Krah (skrah) * (Python committer) Date: 2017-09-10 16:04
I traced this valgrind result down to 2ebc5ce42a8a9e047e790aefbf9a94811569b2b6 : ==23495== 240 (72 direct, 168 indirect) bytes in 1 blocks are definitely lost in loss record 2,255 of 2,922 ==23495== at 0x4C2A9A1: malloc (vg_replace_malloc.c:299) ==23495== by 0x42C6BC: PyMem_RawMalloc (obmalloc.c:420) ==23495== by 0x42C6BC: _PyObject_Alloc (obmalloc.c:975) ==23495== by 0x42C6BC: _PyObject_Malloc (obmalloc.c:985) ==23495== by 0x448B78: _PyObject_GC_Alloc (gcmodule.c:1629) ==23495== by 0x448B78: _PyObject_GC_Malloc (gcmodule.c:1651) ==23495== by 0x448B78: _PyObject_GC_New (gcmodule.c:1663) ==23495== by 0x4A85B6: new_dict (dictobject.c:584) ==23495== by 0x4A85B6: PyDict_New (dictobject.c:624) ==23495== by 0x4AC8F0: PyDict_Copy (dictobject.c:2510) ==23495== by 0x4D68A7: set_names (typeobject.c:7138) ==23495== by 0x4D68A7: type_new (typeobject.c:2756) ==23495== by 0x4CAEC4: type_call (typeobject.c:922) ==23495== by 0x47344B: _PyObject_FastCallDict (call.c:125) ==23495== by 0x5497D2: builtin___build_class__ (bltinmodule.c:165) ==23495== by 0x4725AF: _PyMethodDef_RawFastCallKeywords (call.c:653) ==23495== by 0x4725AF: _PyCFunction_FastCallKeywords (call.c:726) ==23495== by 0x4283E0: call_function (ceval.c:4701) ==23495== by 0x4283E0: _PyEval_EvalFrameDefault (ceval.c:3218) ==23495== by 0x54D3C6: PyEval_EvalFrameEx (ceval.c:549) ==23495== by 0x54D3C6: _PyEval_EvalCodeWithName (ceval.c:4049)
msg301814 - (view) Author: Inada Naoki (methane) * (Python committer) Date: 2017-09-10 16:15
Maybe, PyDict_ClearFreeList() is not called?
msg301923 - (view) Author: Eric Snow (eric.snow) * (Python committer) Date: 2017-09-11 22:57
@skrah, could you see if the PR for issue #31420 resolves this? I'm guessing it won't, but you indicated that the two issues might be related. Thanks!
msg301950 - (view) Author: Stefan Krah (skrah) * (Python committer) Date: 2017-09-12 11:39
It's fixed, thanks!
History
Date User Action Args
2022-04-11 14:58:52 admin set github: 75589
2017-09-12 11:39:13 skrah set status: open -> closedsuperseder: Reference leaks introduced by bpo-30860messages: + resolution: duplicatestage: needs patch -> resolved
2017-09-11 22:57:51 eric.snow set messages: +
2017-09-10 16:15:20 methane set nosy: + methanemessages: +
2017-09-10 16:04:29 skrah create