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Merged revisions 70879 via svnmerge from

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........
  r70879 | hirokazu.yamamoto | 2009-04-01 05:14:04 +0900 | 1 line

  Issue #5387: Fixed mmap.move crash by integer overflow. (take2)
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This commit is contained in:
Hirokazu Yamamoto 2009-03-31 20:43:56 +00:00
parent 33413cbf5e
commit 2ca15013ec
2 changed files with 17 additions and 5 deletions
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20
Lib/test/test_mmap.py
View file

@ -1,7 +1,7 @@
from test.support import TESTFN, run_unittest
import mmap
import unittest
import os, re
import os, re, itertools
PAGESIZE = mmap.PAGESIZE
@ -347,9 +347,21 @@ class MmapTests(unittest.TestCase):
self.assertEqual(m[:], expected)
m.close()
# should not crash
m = mmap.mmap(-1, 1)
self.assertRaises(ValueError, m.move, 1, 1, -1)
# segfault test (Issue 5387)
m = mmap.mmap(-1, 100)
offsets = [-100, -1, 0, 1, 100]
for source, dest, size in itertools.product(offsets, offsets, offsets):
try:
m.move(source, dest, size)
except ValueError:
pass
self.assertRaises(ValueError, m.move, -1, -1, -1)
self.assertRaises(ValueError, m.move, -1, -1, 0)
self.assertRaises(ValueError, m.move, -1, 0, -1)
self.assertRaises(ValueError, m.move, 0, -1, -1)
self.assertRaises(ValueError, m.move, -1, 0, 0)
self.assertRaises(ValueError, m.move, 0, -1, 0)
self.assertRaises(ValueError, m.move, 0, 0, -1)
m.close()
def test_anonymous(self):