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[3.12] bpo-37013: Fix the error handling in socket.if_indextoname() (GH-13503) (GH-112597)

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* Fix a crash when pass UINT_MAX.
* Fix an integer overflow on 64-bit non-Windows platforms.
(cherry picked from commit 0daf555c6f)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
This commit is contained in:
Miss Islington (bot) 2023-12-25 19:55:08 +01:00 • committed by GitHub
parent bdad5c367f
commit fc7e67f51a
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3 changed files with 31 additions and 9 deletions
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13
Lib/test/test_socket.py
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@ -1082,7 +1082,20 @@ class GeneralModuleTests(unittest.TestCase):
'socket.if_indextoname() not available.')
def testInvalidInterfaceIndexToName(self):
self.assertRaises(OSError, socket.if_indextoname, 0)
self.assertRaises(OverflowError, socket.if_indextoname, -1)
self.assertRaises(OverflowError, socket.if_indextoname, 2**1000)
self.assertRaises(TypeError, socket.if_indextoname, '_DEADBEEF')
if hasattr(socket, 'if_nameindex'):
indices = dict(socket.if_nameindex())
for index in indices:
index2 = index + 2**32
if index2 not in indices:
with self.assertRaises((OverflowError, OSError)):
socket.if_indextoname(index2)
for index in 2**32-1, 2**64-1:
if index not in indices:
with self.assertRaises((OverflowError, OSError)):
socket.if_indextoname(index)
@unittest.skipUnless(hasattr(socket, 'if_nametoindex'),
'socket.if_nametoindex() not available.')