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

This commit is contained in:
Serhiy Storchaka 2023-07-18 09:00:22 +03:00 committed by GitHub
parent e1c295e3da
commit 745492355b
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 37 additions and 55 deletions
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3
Modules/_curses_panel.c
View File

@ -662,8 +662,7 @@ _curses_panel_exec(PyObject *mod)
state->PyCursesError = PyErr_NewException(
"_curses_panel.error", NULL, NULL);
if (PyModule_AddObject(mod, "error", Py_NewRef(state->PyCursesError)) < 0) {
Py_DECREF(state->PyCursesError);
if (PyModule_AddObjectRef(mod, "error", state->PyCursesError) < 0) {
return -1;
}

24
Modules/_decimal/_decimal.c
View File

@ -5957,7 +5957,7 @@ PyInit__decimal(void)
Py_DECREF(base);
/* add to module */
CHECK_INT(PyModule_AddObject(m, cm->name, Py_NewRef(cm->ex)));
CHECK_INT(PyModule_AddObjectRef(m, cm->name, cm->ex));
/* add to signal tuple */
PyTuple_SET_ITEM(state->SignalTuple, i, Py_NewRef(cm->ex));
@ -5986,39 +5986,39 @@ PyInit__decimal(void)
ASSIGN_PTR(cm->ex, PyErr_NewException(cm->fqname, base, NULL));
Py_DECREF(base);
CHECK_INT(PyModule_AddObject(m, cm->name, Py_NewRef(cm->ex)));
CHECK_INT(PyModule_AddObjectRef(m, cm->name, cm->ex));
}
/* Init default context template first */
ASSIGN_PTR(state->default_context_template,
PyObject_CallObject((PyObject *)state->PyDecContext_Type, NULL));
CHECK_INT(PyModule_AddObject(m, "DefaultContext",
Py_NewRef(state->default_context_template)));
CHECK_INT(PyModule_AddObjectRef(m, "DefaultContext",
state->default_context_template));
#ifndef WITH_DECIMAL_CONTEXTVAR
ASSIGN_PTR(state->tls_context_key,
PyUnicode_FromString("___DECIMAL_CTX__"));
CHECK_INT(PyModule_AddObject(m, "HAVE_CONTEXTVAR", Py_NewRef(Py_False)));
CHECK_INT(PyModule_AddObjectRef(m, "HAVE_CONTEXTVAR", Py_False));
#else
ASSIGN_PTR(state->current_context_var, PyContextVar_New("decimal_context", NULL));
CHECK_INT(PyModule_AddObject(m, "HAVE_CONTEXTVAR", Py_NewRef(Py_True)));
CHECK_INT(PyModule_AddObjectRef(m, "HAVE_CONTEXTVAR", Py_True));
#endif
CHECK_INT(PyModule_AddObject(m, "HAVE_THREADS", Py_NewRef(Py_True)));
CHECK_INT(PyModule_AddObjectRef(m, "HAVE_THREADS", Py_True));
/* Init basic context template */
ASSIGN_PTR(state->basic_context_template,
PyObject_CallObject((PyObject *)state->PyDecContext_Type, NULL));
init_basic_context(state->basic_context_template);
CHECK_INT(PyModule_AddObject(m, "BasicContext",
Py_NewRef(state->basic_context_template)));
CHECK_INT(PyModule_AddObjectRef(m, "BasicContext",
state->basic_context_template));
/* Init extended context template */
ASSIGN_PTR(state->extended_context_template,
PyObject_CallObject((PyObject *)state->PyDecContext_Type, NULL));
init_extended_context(state->extended_context_template);
CHECK_INT(PyModule_AddObject(m, "ExtendedContext",
Py_NewRef(state->extended_context_template)));
CHECK_INT(PyModule_AddObjectRef(m, "ExtendedContext",
state->extended_context_template));
/* Init mpd_ssize_t constants */
@ -6037,7 +6037,7 @@ PyInit__decimal(void)
/* Init string constants */
for (i = 0; i < _PY_DEC_ROUND_GUARD; i++) {
ASSIGN_PTR(state->round_map[i], PyUnicode_InternFromString(mpd_round_string[i]));
CHECK_INT(PyModule_AddObject(m, mpd_round_string[i], Py_NewRef(state->round_map[i])));
CHECK_INT(PyModule_AddObjectRef(m, mpd_round_string[i], state->round_map[i]));
}
/* Add specification version number */

59
Modules/posixmodule.c
View File

@ -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;

6
Modules/xxsubtype.c
View File

@ -274,12 +274,10 @@ xxsubtype_exec(PyObject* m)
if (PyType_Ready(&spamdict_type) < 0)
return -1;
if (PyModule_AddObject(m, "spamlist",
Py_NewRef(&spamlist_type)) < 0)
if (PyModule_AddObjectRef(m, "spamlist", (PyObject *)&spamlist_type) < 0)
return -1;
if (PyModule_AddObject(m, "spamdict",
Py_NewRef(&spamdict_type)) < 0)
if (PyModule_AddObjectRef(m, "spamdict", (PyObject *)&spamdict_type) < 0)
return -1;
return 0;
}