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gh-86493: Fix possible leaks in modules initialization: _curses_panel, _decimal, posix, xxsubtype (GH-106767)

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Serhiy Storchaka 2023-07-18 09:00:22 +03:00 • committed by GitHub
parent e1c295e3da
commit 745492355b
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4 changed files with 37 additions and 55 deletions
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59
Modules/posixmodule.c
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@ -16793,57 +16793,49 @@ posixmodule_exec(PyObject *m)
if (setup_confname_tables(m))
return -1;
PyModule_AddObject(m, "error", Py_NewRef(PyExc_OSError));
if (PyModule_AddObjectRef(m, "error", PyExc_OSError) < 0) {
return -1;
}
#if defined(HAVE_WAITID) && !defined(__APPLE__)
waitid_result_desc.name = MODNAME ".waitid_result";
PyObject *WaitidResultType = (PyObject *)PyStructSequence_NewType(&waitid_result_desc);
if (WaitidResultType == NULL) {
state->WaitidResultType = (PyObject *)PyStructSequence_NewType(&waitid_result_desc);
if (PyModule_AddObjectRef(m, "waitid_result", state->WaitidResultType) < 0) {
return -1;
}
PyModule_AddObject(m, "waitid_result", Py_NewRef(WaitidResultType));
state->WaitidResultType = WaitidResultType;
#endif
stat_result_desc.name = "os.stat_result"; /* see issue #19209 */
stat_result_desc.fields[7].name = PyStructSequence_UnnamedField;
stat_result_desc.fields[8].name = PyStructSequence_UnnamedField;
stat_result_desc.fields[9].name = PyStructSequence_UnnamedField;
PyObject *StatResultType = (PyObject *)PyStructSequence_NewType(&stat_result_desc);
if (StatResultType == NULL) {
state->StatResultType = (PyObject *)PyStructSequence_NewType(&stat_result_desc);
if (PyModule_AddObjectRef(m, "stat_result", state->StatResultType) < 0) {
return -1;
}
PyModule_AddObject(m, "stat_result", Py_NewRef(StatResultType));
state->StatResultType = StatResultType;
state->statresult_new_orig = ((PyTypeObject *)StatResultType)->tp_new;
((PyTypeObject *)StatResultType)->tp_new = statresult_new;
state->statresult_new_orig = ((PyTypeObject *)state->StatResultType)->tp_new;
((PyTypeObject *)state->StatResultType)->tp_new = statresult_new;
statvfs_result_desc.name = "os.statvfs_result"; /* see issue #19209 */
PyObject *StatVFSResultType = (PyObject *)PyStructSequence_NewType(&statvfs_result_desc);
if (StatVFSResultType == NULL) {
state->StatVFSResultType = (PyObject *)PyStructSequence_NewType(&statvfs_result_desc);
if (PyModule_AddObjectRef(m, "statvfs_result", state->StatVFSResultType) < 0) {
return -1;
}
PyModule_AddObject(m, "statvfs_result", Py_NewRef(StatVFSResultType));
state->StatVFSResultType = StatVFSResultType;
#if defined(HAVE_SCHED_SETPARAM) || defined(HAVE_SCHED_SETSCHEDULER) || defined(POSIX_SPAWN_SETSCHEDULER) || defined(POSIX_SPAWN_SETSCHEDPARAM)
sched_param_desc.name = MODNAME ".sched_param";
PyObject *SchedParamType = (PyObject *)PyStructSequence_NewType(&sched_param_desc);
if (SchedParamType == NULL) {
state->SchedParamType = (PyObject *)PyStructSequence_NewType(&sched_param_desc);
if (PyModule_AddObjectRef(m, "sched_param", state->SchedParamType) < 0) {
return -1;
}
PyModule_AddObject(m, "sched_param", Py_NewRef(SchedParamType));
state->SchedParamType = SchedParamType;
((PyTypeObject *)SchedParamType)->tp_new = os_sched_param;
((PyTypeObject *)state->SchedParamType)->tp_new = os_sched_param;
#endif
/* initialize TerminalSize_info */
PyObject *TerminalSizeType = (PyObject *)PyStructSequence_NewType(&TerminalSize_desc);
if (TerminalSizeType == NULL) {
state->TerminalSizeType = (PyObject *)PyStructSequence_NewType(&TerminalSize_desc);
if (PyModule_AddObjectRef(m, "terminal_size", state->TerminalSizeType) < 0) {
return -1;
}
PyModule_AddObject(m, "terminal_size", Py_NewRef(TerminalSizeType));
state->TerminalSizeType = TerminalSizeType;
/* initialize scandir types */
PyObject *ScandirIteratorType = PyType_FromModuleAndSpec(m, &ScandirIteratorType_spec, NULL);
@ -16852,28 +16844,21 @@ posixmodule_exec(PyObject *m)
}
state->ScandirIteratorType = ScandirIteratorType;
PyObject *DirEntryType = PyType_FromModuleAndSpec(m, &DirEntryType_spec, NULL);
if (DirEntryType == NULL) {
state->DirEntryType = PyType_FromModuleAndSpec(m, &DirEntryType_spec, NULL);
if (PyModule_AddObjectRef(m, "DirEntry", state->DirEntryType) < 0) {
return -1;
}
PyModule_AddObject(m, "DirEntry", Py_NewRef(DirEntryType));
state->DirEntryType = DirEntryType;
times_result_desc.name = MODNAME ".times_result";
PyObject *TimesResultType = (PyObject *)PyStructSequence_NewType(&times_result_desc);
if (TimesResultType == NULL) {
state->TimesResultType = (PyObject *)PyStructSequence_NewType(&times_result_desc);
if (PyModule_AddObjectRef(m, "times_result", state->TimesResultType) < 0) {
return -1;
}
PyModule_AddObject(m, "times_result", Py_NewRef(TimesResultType));
state->TimesResultType = TimesResultType;
PyTypeObject *UnameResultType = PyStructSequence_NewType(&uname_result_desc);
if (UnameResultType == NULL) {
state->UnameResultType = (PyObject *)PyStructSequence_NewType(&uname_result_desc);
if (PyModule_AddObjectRef(m, "uname_result", state->UnameResultType) < 0) {
return -1;
}
;
PyModule_AddObject(m, "uname_result", Py_NewRef(UnameResultType));
state->UnameResultType = (PyObject *)UnameResultType;
if ((state->billion = PyLong_FromLong(1000000000)) == NULL)
return -1;