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gh-86493: Fix possible leaks in some modules initialization #106768

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Jul 18, 2023
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Merge branch 'main' into pymodule-add4b
  • Loading branch information
serhiy-storchaka committed Jul 18, 2023
commit 63fa1ba9bbdf2479436ff3c4121249131c04e03c
1 change: 0 additions & 1 deletion 1 Include/internal/pycore_modsupport.h
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@ extern PyObject ** _Py_VaBuildStack(
Py_ssize_t *p_nargs);

extern PyObject* _PyModule_CreateInitialized(PyModuleDef*, int apiver);
PyAPI_FUNC(int) _PyModule_AddNew(PyObject *, const char *, PyObject *);

#ifdef __cplusplus
}
Expand Down
9 changes: 4 additions & 5 deletions 9 Modules/_ssl.c
Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,6 @@
#define OPENSSL_NO_DEPRECATED 1

#include "Python.h"
#include "pycore_modsupport.h" // _PyModule_AddNew()
#include "pycore_weakref.h" // _PyWeakref_GET_REF()

/* Include symbols from _socket module */
Expand Down Expand Up @@ -6119,22 +6118,22 @@ sslmodule_init_versioninfo(PyObject *m)
*/
libver = OpenSSL_version_num();
r = PyLong_FromUnsignedLong(libver);
if (_PyModule_AddNew(m, "OPENSSL_VERSION_NUMBER", r) < 0)
if (PyModule_Add(m, "OPENSSL_VERSION_NUMBER", r) < 0)
return -1;

parse_openssl_version(libver, &major, &minor, &fix, &patch, &status);
r = Py_BuildValue("IIIII", major, minor, fix, patch, status);
if (_PyModule_AddNew(m, "OPENSSL_VERSION_INFO", r) < 0)
if (PyModule_Add(m, "OPENSSL_VERSION_INFO", r) < 0)
return -1;

r = PyUnicode_FromString(OpenSSL_version(OPENSSL_VERSION));
if (_PyModule_AddNew(m, "OPENSSL_VERSION", r) < 0)
if (PyModule_Add(m, "OPENSSL_VERSION", r) < 0)
return -1;

libver = OPENSSL_VERSION_NUMBER;
parse_openssl_version(libver, &major, &minor, &fix, &patch, &status);
r = Py_BuildValue("IIIII", major, minor, fix, patch, status);
if (_PyModule_AddNew(m, "_OPENSSL_API_VERSION", r) < 0)
if (PyModule_Add(m, "_OPENSSL_API_VERSION", r) < 0)
return -1;

return 0;
Expand Down
11 changes: 3 additions & 8 deletions 11 Modules/_stat.c
Original file line number Diff line number Diff line change
Expand Up @@ -11,12 +11,7 @@
*
*/

#ifndef Py_BUILD_CORE_BUILTIN
# define Py_BUILD_CORE_MODULE 1
#endif

#include "Python.h"
#include "pycore_modsupport.h" // _PyModule_AddNew()

#ifdef __cplusplus
extern "C" {
Expand Down Expand Up @@ -596,15 +591,15 @@ stat_exec(PyObject *module)
ADD_INT_MACRO(module, FILE_ATTRIBUTE_TEMPORARY);
ADD_INT_MACRO(module, FILE_ATTRIBUTE_VIRTUAL);

if (_PyModule_AddNew(module, "IO_REPARSE_TAG_SYMLINK",
if (PyModule_Add(module, "IO_REPARSE_TAG_SYMLINK",
PyLong_FromUnsignedLong(IO_REPARSE_TAG_SYMLINK)) < 0) {
return -1;
}
if (_PyModule_AddNew(module, "IO_REPARSE_TAG_MOUNT_POINT",
if (PyModule_Add(module, "IO_REPARSE_TAG_MOUNT_POINT",
PyLong_FromUnsignedLong(IO_REPARSE_TAG_MOUNT_POINT)) < 0) {
return -1;
}
if (_PyModule_AddNew(module, "IO_REPARSE_TAG_APPEXECLINK",
if (PyModule_Add(module, "IO_REPARSE_TAG_APPEXECLINK",
PyLong_FromUnsignedLong(IO_REPARSE_TAG_APPEXECLINK)) < 0) {
return -1;
}
Expand Down
5 changes: 2 additions & 3 deletions 5 Modules/_testinternalcapi.c
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,6 @@
#include "pycore_hashtable.h" // _Py_hashtable_new()
#include "pycore_initconfig.h" // _Py_GetConfigsAsDict()
#include "pycore_interp.h" // _PyInterpreterState_GetConfigCopy()
#include "pycore_modsupport.h" // _PyModule_AddNew()
#include "pycore_pathconfig.h" // _PyPathConfig_ClearGlobal()
#include "pycore_pyerrors.h" // _Py_UTF8_Edit_Cost()
#include "pycore_pystate.h" // _PyThreadState_GET()
Expand Down Expand Up @@ -1512,12 +1511,12 @@ static PyMethodDef module_functions[] = {
static int
module_exec(PyObject *module)
{
if (_PyModule_AddNew(module, "SIZEOF_PYGC_HEAD",
if (PyModule_Add(module, "SIZEOF_PYGC_HEAD",
PyLong_FromSsize_t(sizeof(PyGC_Head))) < 0) {
return 1;
}

if (_PyModule_AddNew(module, "SIZEOF_TIME_T",
if (PyModule_Add(module, "SIZEOF_TIME_T",
PyLong_FromSsize_t(sizeof(time_t))) < 0) {
return 1;
}
Expand Down
3 changes: 1 addition & 2 deletions 3 Modules/_threadmodule.c
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,6 @@

#include "Python.h"
#include "pycore_interp.h" // _PyInterpreterState.threads.count
#include "pycore_modsupport.h" // _PyModule_AddNew()
#include "pycore_moduleobject.h" // _PyModule_GetState()
#include "pycore_pylifecycle.h"
#include "pycore_pystate.h" // _PyThreadState_SetCurrent()
Expand Down Expand Up @@ -1672,7 +1671,7 @@ thread_module_exec(PyObject *module)
// Round towards minus infinity
timeout_max = floor(timeout_max);

if (_PyModule_AddNew(module, "TIMEOUT_MAX",
if (PyModule_Add(module, "TIMEOUT_MAX",
PyFloat_FromDouble(timeout_max)) < 0) {
return -1;
}
Expand Down
15 changes: 7 additions & 8 deletions 15 Modules/cmathmodule.c
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,6 @@

#include "Python.h"
#include "pycore_complexobject.h" // _Py_c_neg()
#include "pycore_modsupport.h" // _PyModule_AddNew()
#include "pycore_pymath.h" // _PY_SHORT_FLOAT_REPR
/* we need DBL_MAX, DBL_MIN, DBL_EPSILON, DBL_MANT_DIG and FLT_RADIX from
float.h. We assume that FLT_RADIX is either 2 or 16. */
Expand Down Expand Up @@ -1218,29 +1217,29 @@ static PyMethodDef cmath_methods[] = {
static int
cmath_exec(PyObject *mod)
{
if (_PyModule_AddNew(mod, "pi", PyFloat_FromDouble(Py_MATH_PI)) < 0) {
if (PyModule_Add(mod, "pi", PyFloat_FromDouble(Py_MATH_PI)) < 0) {
return -1;
}
if (_PyModule_AddNew(mod, "e", PyFloat_FromDouble(Py_MATH_E)) < 0) {
if (PyModule_Add(mod, "e", PyFloat_FromDouble(Py_MATH_E)) < 0) {
return -1;
}
// 2pi
if (_PyModule_AddNew(mod, "tau", PyFloat_FromDouble(Py_MATH_TAU)) < 0) {
if (PyModule_Add(mod, "tau", PyFloat_FromDouble(Py_MATH_TAU)) < 0) {
return -1;
}
if (_PyModule_AddNew(mod, "inf", PyFloat_FromDouble(Py_INFINITY)) < 0) {
if (PyModule_Add(mod, "inf", PyFloat_FromDouble(Py_INFINITY)) < 0) {
return -1;
}

Py_complex infj = {0.0, Py_INFINITY};
if (_PyModule_AddNew(mod, "infj", PyComplex_FromCComplex(infj)) < 0) {
if (PyModule_Add(mod, "infj", PyComplex_FromCComplex(infj)) < 0) {
return -1;
}
if (_PyModule_AddNew(mod, "nan", PyFloat_FromDouble(fabs(Py_NAN))) < 0) {
if (PyModule_Add(mod, "nan", PyFloat_FromDouble(fabs(Py_NAN))) < 0) {
return -1;
}
Py_complex nanj = {0.0, fabs(Py_NAN)};
if (_PyModule_AddNew(mod, "nanj", PyComplex_FromCComplex(nanj)) < 0) {
if (PyModule_Add(mod, "nanj", PyComplex_FromCComplex(nanj)) < 0) {
return -1;
}

Expand Down
11 changes: 5 additions & 6 deletions 11 Modules/mathmodule.c
Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,6 @@ raised for division by zero and mod by zero.
#include "pycore_bitutils.h" // _Py_bit_length()
#include "pycore_call.h" // _PyObject_CallNoArgs()
#include "pycore_long.h" // _PyLong_GetZero()
#include "pycore_modsupport.h" // _PyModule_AddNew()
#include "pycore_moduleobject.h" // _PyModule_GetState()
#include "pycore_object.h" // _PyObject_LookupSpecial()
#include "pycore_pymath.h" // _PY_SHORT_FLOAT_REPR
Expand Down Expand Up @@ -4038,20 +4037,20 @@ math_exec(PyObject *module)
if (state->str___trunc__ == NULL) {
return -1;
}
if (_PyModule_AddNew(module, "pi", PyFloat_FromDouble(Py_MATH_PI)) < 0) {
if (PyModule_Add(module, "pi", PyFloat_FromDouble(Py_MATH_PI)) < 0) {
return -1;
}
if (_PyModule_AddNew(module, "e", PyFloat_FromDouble(Py_MATH_E)) < 0) {
if (PyModule_Add(module, "e", PyFloat_FromDouble(Py_MATH_E)) < 0) {
return -1;
}
// 2pi
if (_PyModule_AddNew(module, "tau", PyFloat_FromDouble(Py_MATH_TAU)) < 0) {
if (PyModule_Add(module, "tau", PyFloat_FromDouble(Py_MATH_TAU)) < 0) {
return -1;
}
if (_PyModule_AddNew(module, "inf", PyFloat_FromDouble(Py_INFINITY)) < 0) {
if (PyModule_Add(module, "inf", PyFloat_FromDouble(Py_INFINITY)) < 0) {
return -1;
}
if (_PyModule_AddNew(module, "nan", PyFloat_FromDouble(fabs(Py_NAN))) < 0) {
if (PyModule_Add(module, "nan", PyFloat_FromDouble(fabs(Py_NAN))) < 0) {
return -1;
}
return 0;
Expand Down
7 changes: 3 additions & 4 deletions 7 Modules/posixmodule.c
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,6 @@
#include "pycore_fileutils.h" // _Py_closerange()
#include "pycore_import.h" // _PyImport_ReInitLock()
#include "pycore_initconfig.h" // _PyStatus_EXCEPTION()
#include "pycore_modsupport.h" // _PyModule_AddNew()
#include "pycore_moduleobject.h" // _PyModule_GetState()
#include "pycore_object.h" // _PyObject_LookupSpecial()
#include "pycore_pylifecycle.h" // _PyOS_URandom()
Expand Down Expand Up @@ -13467,7 +13466,7 @@ setup_confname_table(struct constdef *table, size_t tablesize,
}
Py_DECREF(o);
}
return _PyModule_AddNew(module, tablename, d);
return PyModule_Add(module, tablename, d);
}

/* Return -1 on failure, 0 on success. */
Expand Down Expand Up @@ -16782,7 +16781,7 @@ posixmodule_exec(PyObject *m)
#endif

/* Initialize environ dictionary */
if (_PyModule_AddNew(m, "environ", convertenviron()) != 0) {
if (PyModule_Add(m, "environ", convertenviron()) != 0) {
return -1;
}

Expand Down Expand Up @@ -16899,7 +16898,7 @@ posixmodule_exec(PyObject *m)
Py_DECREF(unicode);
}

return _PyModule_AddNew(m, "_have_functions", list);
return PyModule_Add(m, "_have_functions", list);
}


Expand Down
5 changes: 2 additions & 3 deletions 5 Modules/timemodule.c
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,6 @@

#include "Python.h"
#include "pycore_fileutils.h" // _Py_BEGIN_SUPPRESS_IPH
#include "pycore_modsupport.h" // _PyModule_AddNew()
#include "pycore_moduleobject.h" // _PyModule_GetState()
#include "pycore_namespace.h" // _PyNamespace_New()
#include "pycore_runtime.h" // _Py_ID()
Expand Down Expand Up @@ -1791,7 +1790,7 @@ init_timezone(PyObject *m)
return -1;
}
#endif // MS_WINDOWS
if (_PyModule_AddNew(m, "tzname", Py_BuildValue("(NN)", otz0, otz1)) < 0) {
if (PyModule_Add(m, "tzname", Py_BuildValue("(NN)", otz0, otz1)) < 0) {
return -1;
}
#else // !HAVE_DECL_TZNAME
Expand Down Expand Up @@ -1836,7 +1835,7 @@ init_timezone(PyObject *m)
PyModule_AddIntConstant(m, "daylight", janzone != julyzone);
tzname_obj = Py_BuildValue("(zz)", janname, julyname);
}
if (_PyModule_AddNew(m, "tzname", tzname_obj) < 0) {
if (PyModule_Add(m, "tzname", tzname_obj) < 0) {
return -1;
}
#endif // !HAVE_DECL_TZNAME
Expand Down
7 changes: 3 additions & 4 deletions 7 Python/modsupport.c
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,6 @@

#include "Python.h"
#include "pycore_abstract.h" // _PyIndex_Check()
#include "pycore_modsupport.h"
#include "pycore_object.h" // _PyType_IsReady()

typedef double va_double;
Expand Down Expand Up @@ -611,7 +610,7 @@ PyModule_AddObjectRef(PyObject *mod, const char *name, PyObject *value)
}

int
_PyModule_AddNew(PyObject *mod, const char *name, PyObject *value)
PyModule_Add(PyObject *mod, const char *name, PyObject *value)
{
int res = PyModule_AddObjectRef(mod, name, value);
Py_XDECREF(value);
Expand All @@ -631,13 +630,13 @@ PyModule_AddObject(PyObject *mod, const char *name, PyObject *value)
int
PyModule_AddIntConstant(PyObject *m, const char *name, long value)
{
return _PyModule_AddNew(m, name, PyLong_FromLong(value));
return PyModule_Add(m, name, PyLong_FromLong(value));
}

int
PyModule_AddStringConstant(PyObject *m, const char *name, const char *value)
{
return _PyModule_AddNew(m, name, PyUnicode_FromString(value));
return PyModule_Add(m, name, PyUnicode_FromString(value));
}

int
Expand Down
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