diff -r f28aff31900a Include/longobject.h --- a/Include/longobject.h Wed Jan 09 12:21:57 2013 +0200 +++ b/Include/longobject.h Wed Jan 09 23:37:21 2013 +0200 @@ -26,6 +26,9 @@ PyAPI_FUNC(size_t) PyLong_AsSize_t(PyObject *); PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLong(PyObject *); PyAPI_FUNC(unsigned long) PyLong_AsUnsignedLongMask(PyObject *); +#ifndef Py_LIMITED_API +PyAPI_FUNC(int) _PyLong_AsInt(PyObject *); +#endif PyAPI_FUNC(PyObject *) PyLong_GetInfo(void); /* It may be useful in the future. I've added it in the PyInt -> PyLong diff -r f28aff31900a Lib/ctypes/test/test_structures.py --- a/Lib/ctypes/test/test_structures.py Wed Jan 09 12:21:57 2013 +0200 +++ b/Lib/ctypes/test/test_structures.py Wed Jan 09 23:37:21 2013 +0200 @@ -1,6 +1,7 @@ import unittest from ctypes import * from struct import calcsize +import _testcapi class SubclassesTest(unittest.TestCase): def test_subclass(self): @@ -199,6 +200,14 @@ "_pack_": -1} self.assertRaises(ValueError, type(Structure), "X", (Structure,), d) + # Issue 15989 + d = {"_fields_": [("a", c_byte)], + "_pack_": _testcapi.INT_MAX + 1} + self.assertRaises(ValueError, type(Structure), "X", (Structure,), d) + d = {"_fields_": [("a", c_byte)], + "_pack_": _testcapi.UINT_MAX + 2} + self.assertRaises(ValueError, type(Structure), "X", (Structure,), d) + def test_initializers(self): class Person(Structure): _fields_ = [("name", c_char*6), diff -r f28aff31900a Lib/test/string_tests.py --- a/Lib/test/string_tests.py Wed Jan 09 12:21:57 2013 +0200 +++ b/Lib/test/string_tests.py Wed Jan 09 23:37:21 2013 +0200 @@ -5,6 +5,7 @@ import unittest, string, sys, struct from test import support from collections import UserList +import _testcapi class Sequence: def __init__(self, seq='wxyz'): self.seq = seq @@ -1142,6 +1143,16 @@ self.checkraises(TypeError, '%10.*f', '__mod__', ('foo', 42.)) self.checkraises(ValueError, '%10', '__mod__', (42,)) + self.checkraises(OverflowError, '%*s', '__mod__', + (_testcapi.PY_SSIZE_T_MAX + 1, '')) + self.checkraises(OverflowError, '%.*f', '__mod__', + (_testcapi.INT_MAX + 1, 1. / 7)) + # Issue 15989 + self.checkraises(OverflowError, '%*s', '__mod__', + (1 << (_testcapi.PY_SSIZE_T_MAX.bit_length() + 1), '')) + self.checkraises(OverflowError, '%.*f', '__mod__', + (_testcapi.UINT_MAX + 1, 1. / 7)) + class X(object): pass self.checkraises(TypeError, 'abc', '__mod__', X()) diff -r f28aff31900a Lib/test/test_fcntl.py --- a/Lib/test/test_fcntl.py Wed Jan 09 12:21:57 2013 +0200 +++ b/Lib/test/test_fcntl.py Wed Jan 09 23:37:21 2013 +0200 @@ -6,6 +6,7 @@ import os import struct import sys +import _testcapi import unittest from test.support import verbose, TESTFN, unlink, run_unittest, import_module @@ -76,6 +77,26 @@ rv = fcntl.fcntl(self.f, fcntl.F_SETLKW, lockdata) self.f.close() + def test_fcntl_bad_file(self): + class F: + def __init__(self, fn): + self.fn = fn + def fileno(self): + return self.fn + self.assertRaises(ValueError, fcntl.fcntl, -1, fcntl.F_SETFL, os.O_NONBLOCK) + self.assertRaises(ValueError, fcntl.fcntl, F(-1), fcntl.F_SETFL, os.O_NONBLOCK) + self.assertRaises(TypeError, fcntl.fcntl, 'spam', fcntl.F_SETFL, os.O_NONBLOCK) + self.assertRaises(TypeError, fcntl.fcntl, F('spam'), fcntl.F_SETFL, os.O_NONBLOCK) + # Issue 15989 + self.assertRaises(OverflowError, fcntl.fcntl, _testcapi.INT_MAX + 1, + fcntl.F_SETFL, os.O_NONBLOCK) + self.assertRaises(OverflowError, fcntl.fcntl, F(_testcapi.INT_MAX + 1), + fcntl.F_SETFL, os.O_NONBLOCK) + self.assertRaises(OverflowError, fcntl.fcntl, _testcapi.INT_MIN - 1, + fcntl.F_SETFL, os.O_NONBLOCK) + self.assertRaises(OverflowError, fcntl.fcntl, F(_testcapi.INT_MIN - 1), + fcntl.F_SETFL, os.O_NONBLOCK) + def test_fcntl_64_bit(self): # Issue #1309352: fcntl shouldn't fail when the third arg fits in a # C 'long' but not in a C 'int'. diff -r f28aff31900a Lib/test/test_fileio.py --- a/Lib/test/test_fileio.py Wed Jan 09 12:21:57 2013 +0200 +++ b/Lib/test/test_fileio.py Wed Jan 09 23:37:21 2013 +0200 @@ -7,6 +7,7 @@ from array import array from weakref import proxy from functools import wraps +import _testcapi from test.support import TESTFN, check_warnings, run_unittest, make_bad_fd from collections import UserList @@ -346,6 +347,9 @@ if sys.platform == 'win32': import msvcrt self.assertRaises(IOError, msvcrt.get_osfhandle, make_bad_fd()) + # Issue 15989 + self.assertRaises(TypeError, _FileIO, _testcapi.INT_MAX + 1) + self.assertRaises(TypeError, _FileIO, _testcapi.INT_MIN - 1) def testBadModeArgument(self): # verify that we get a sensible error message for bad mode argument diff -r f28aff31900a Lib/test/test_io.py --- a/Lib/test/test_io.py Wed Jan 09 12:21:57 2013 +0200 +++ b/Lib/test/test_io.py Wed Jan 09 23:37:21 2013 +0200 @@ -31,6 +31,7 @@ import errno import warnings import pickle +import _testcapi from itertools import cycle, count from collections import deque, UserList from test import support @@ -1903,6 +1904,14 @@ t.write("A\rB") self.assertEqual(r.getvalue(), b"XY\nZA\rB") + # Issue 15989 + def test_device_encoding(self): + b = self.BytesIO() + b.fileno = lambda: _testcapi.INT_MAX + 1 + self.assertRaises(OverflowError, self.TextIOWrapper, b) + b.fileno = lambda: _testcapi.UINT_MAX + 1 + self.assertRaises(OverflowError, self.TextIOWrapper, b) + def test_encoding(self): # Check the encoding attribute is always set, and valid b = self.BytesIO() diff -r f28aff31900a Lib/test/test_poll.py --- a/Lib/test/test_poll.py Wed Jan 09 12:21:57 2013 +0200 +++ b/Lib/test/test_poll.py Wed Jan 09 23:37:21 2013 +0200 @@ -1,6 +1,7 @@ # Test case for the os.poll() function import os, select, random, unittest +import _testcapi from test.support import TESTFN, run_unittest try: @@ -150,6 +151,15 @@ if x != 5: self.fail('Overflow must have occurred') + pollster = select.poll() + # Issue 15989 + self.assertRaises(OverflowError, pollster.register, 0, + _testcapi.SHRT_MAX + 1) + self.assertRaises(OverflowError, pollster.register, 0, + _testcapi.USHRT_MAX + 1) + self.assertRaises(OverflowError, pollster.poll, _testcapi.INT_MAX + 1) + self.assertRaises(OverflowError, pollster.poll, _testcapi.UINT_MAX + 1) + def test_main(): run_unittest(PollTests) diff -r f28aff31900a Lib/test/test_socket.py --- a/Lib/test/test_socket.py Wed Jan 09 12:21:57 2013 +0200 +++ b/Lib/test/test_socket.py Wed Jan 09 23:37:21 2013 +0200 @@ -7,6 +7,7 @@ import io import socket import select +import _testcapi import time import traceback import queue @@ -850,11 +851,17 @@ self.assertRaises(ValueError, fp.writable) self.assertRaises(ValueError, fp.seekable) - def testListenBacklog0(self): + def test_listen_backlog(self): + for backlog in 0, -1: + srv = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + srv.bind((HOST, 0)) + srv.listen(backlog) + srv.close() + + # Issue 15989 srv = socket.socket(socket.AF_INET, socket.SOCK_STREAM) srv.bind((HOST, 0)) - # backlog = 0 - srv.listen(0) + self.assertRaises(OverflowError, srv.listen, _testcapi.INT_MAX + 1) srv.close() @unittest.skipUnless(SUPPORTS_IPV6, 'IPv6 required for this test.') @@ -954,6 +961,11 @@ def _testShutdown(self): self.serv_conn.send(MSG) + # Issue 15989 + self.assertRaises(OverflowError, self.serv_conn.shutdown, + _testcapi.INT_MAX + 1) + self.assertRaises(OverflowError, self.serv_conn.shutdown, + 2 + (_testcapi.UINT_MAX + 1)) self.serv_conn.shutdown(2) def testDetach(self): @@ -1075,6 +1087,11 @@ pass end = time.time() self.assertTrue((end - start) < 1.0, "Error setting non-blocking mode.") + # Issue 15989 + self.assertRaises(OverflowError, self.serv.setblocking, + _testcapi.INT_MAX + 1) + self.assertRaises(OverflowError, self.serv.setblocking, + _testcapi.UINT_MAX + 1) def _testSetBlocking(self): pass diff -r f28aff31900a Modules/_ctypes/stgdict.c --- a/Modules/_ctypes/stgdict.c Wed Jan 09 12:21:57 2013 +0200 +++ b/Modules/_ctypes/stgdict.c Wed Jan 09 23:37:21 2013 +0200 @@ -335,7 +335,7 @@ isPacked = PyObject_GetAttrString(type, "_pack_"); if (isPacked) { - pack = PyLong_AsLong(isPacked); + pack = _PyLong_AsInt(isPacked); if (pack < 0 || PyErr_Occurred()) { Py_XDECREF(isPacked); PyErr_SetString(PyExc_ValueError, diff -r f28aff31900a Modules/_io/_iomodule.c --- a/Modules/_io/_iomodule.c Wed Jan 09 12:21:57 2013 +0200 +++ b/Modules/_io/_iomodule.c Wed Jan 09 23:37:21 2013 +0200 @@ -303,7 +303,8 @@ int text = 0, binary = 0, universal = 0; char rawmode[5], *m; - int line_buffering, isatty; + int line_buffering; + long isatty; PyObject *raw, *modeobj = NULL, *buffer = NULL, *wrapper = NULL; @@ -441,12 +442,12 @@ #ifdef HAVE_STRUCT_STAT_ST_BLKSIZE { struct stat st; - long fileno; + int fileno; PyObject *res = PyObject_CallMethod(raw, "fileno", NULL); if (res == NULL) goto error; - fileno = PyLong_AsLong(res); + fileno = _PyLong_AsInt(res); Py_DECREF(res); if (fileno == -1 && PyErr_Occurred()) goto error; diff -r f28aff31900a Modules/_io/fileio.c --- a/Modules/_io/fileio.c Wed Jan 09 12:21:57 2013 +0200 +++ b/Modules/_io/fileio.c Wed Jan 09 23:37:21 2013 +0200 @@ -240,7 +240,7 @@ return -1; } - fd = PyLong_AsLong(nameobj); + fd = _PyLong_AsInt(nameobj); if (fd < 0) { if (!PyErr_Occurred()) { PyErr_SetString(PyExc_ValueError, diff -r f28aff31900a Modules/selectmodule.c --- a/Modules/selectmodule.c Wed Jan 09 12:21:57 2013 +0200 +++ b/Modules/selectmodule.c Wed Jan 09 23:37:21 2013 +0200 @@ -340,10 +340,13 @@ i = pos = 0; while (PyDict_Next(self->dict, &pos, &key, &value)) { - self->ufds[i].fd = PyLong_AsLong(key); + assert(i < self->ufd_len); + /* Never overflow */ + self->ufds[i].fd = (int)PyLong_AsLong(key); self->ufds[i].events = (short)PyLong_AsLong(value); i++; } + assert(i == self->ufd_len); self->ufd_uptodate = 1; return 1; } @@ -359,10 +362,11 @@ poll_register(pollObject *self, PyObject *args) { PyObject *o, *key, *value; - int fd, events = POLLIN | POLLPRI | POLLOUT; + int fd; + short events = POLLIN | POLLPRI | POLLOUT; int err; - if (!PyArg_ParseTuple(args, "O|i:register", &o, &events)) { + if (!PyArg_ParseTuple(args, "O|h:register", &o, &events)) { return NULL; } @@ -501,7 +505,7 @@ tout = PyNumber_Long(tout); if (!tout) return NULL; - timeout = PyLong_AsLong(tout); + timeout = _PyLong_AsInt(tout); Py_DECREF(tout); if (timeout == -1 && PyErr_Occurred()) return NULL; diff -r f28aff31900a Modules/socketmodule.c --- a/Modules/socketmodule.c Wed Jan 09 12:21:57 2013 +0200 +++ b/Modules/socketmodule.c Wed Jan 09 23:37:21 2013 +0200 @@ -1737,7 +1737,7 @@ static PyObject * sock_setblocking(PySocketSockObject *s, PyObject *arg) { - int block; + long block; block = PyLong_AsLong(arg); if (block == -1 && PyErr_Occurred()) @@ -2219,7 +2219,7 @@ int backlog; int res; - backlog = PyLong_AsLong(arg); + backlog = _PyLong_AsInt(arg); if (backlog == -1 && PyErr_Occurred()) return NULL; Py_BEGIN_ALLOW_THREADS @@ -2822,7 +2822,7 @@ int how; int res; - how = PyLong_AsLong(arg); + how = _PyLong_AsInt(arg); if (how == -1 && PyErr_Occurred()) return NULL; Py_BEGIN_ALLOW_THREADS diff -r f28aff31900a Objects/fileobject.c --- a/Objects/fileobject.c Wed Jan 09 12:21:57 2013 +0200 +++ b/Objects/fileobject.c Wed Jan 09 23:37:21 2013 +0200 @@ -200,7 +200,7 @@ PyObject *meth; if (PyLong_Check(o)) { - fd = PyLong_AsLong(o); + fd = _PyLong_AsInt(o); } else if ((meth = PyObject_GetAttrString(o, "fileno")) != NULL) { @@ -210,7 +210,7 @@ return -1; if (PyLong_Check(fno)) { - fd = PyLong_AsLong(fno); + fd = _PyLong_AsInt(fno); Py_DECREF(fno); } else { diff -r f28aff31900a Objects/longobject.c --- a/Objects/longobject.c Wed Jan 09 12:21:57 2013 +0200 +++ b/Objects/longobject.c Wed Jan 09 23:37:21 2013 +0200 @@ -424,6 +424,24 @@ return result; } +/* Get a C int from a long int object or any object that has an __int__ + method. Return -1 and set an error if overflow occurs. */ + +int +_PyLong_AsInt(PyObject *obj) +{ + int overflow; + long result = PyLong_AsLongAndOverflow(obj, &overflow); + if (overflow || result > INT_MAX || result < INT_MIN) { + /* XXX: could be cute and give a different + message for overflow == -1 */ + PyErr_SetString(PyExc_OverflowError, + "Python int too large to convert to C int"); + return -1; + } + return (int)result; +} + /* Get a Py_ssize_t from a long int object. Returns -1 and sets an error condition if overflow occurs. */ diff -r f28aff31900a Objects/unicodeobject.c --- a/Objects/unicodeobject.c Wed Jan 09 12:21:57 2013 +0200 +++ b/Objects/unicodeobject.c Wed Jan 09 23:37:21 2013 +0200 @@ -9636,7 +9636,7 @@ "* wants int"); goto onError; } - width = PyLong_AsLong(v); + width = PyLong_AsSsize_t(v); if (width == -1 && PyErr_Occurred()) goto onError; if (width < 0) { @@ -9673,7 +9673,7 @@ "* wants int"); goto onError; } - prec = PyLong_AsLong(v); + prec = _PyLong_AsInt(v); if (prec == -1 && PyErr_Occurred()) goto onError; if (prec < 0)