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[3.12] gh-101180: Fix a bug where iso2022_jp_3 and iso2022_jp_2004 codecs read out of bounds (gh-111695) (gh-111769)

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gh-101180: Fix a bug where iso2022_jp_3 and iso2022_jp_2004 codecs read out of bounds (gh-111695)
(cherry picked from commit c8faa3568a)

Co-authored-by: Masayuki Moriyama <masayuki.moriyama@miraclelinux.com>
This commit is contained in:
Miss Islington (bot) 2023-11-06 12:31:58 +01:00 • committed by GitHub
parent e0c2bf4672
commit c4e524c3f2
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3 changed files with 53 additions and 3 deletions
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46
Lib/test/test_codecencodings_iso2022.py
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@ -24,6 +24,52 @@ class Test_ISO2022_JP2(multibytecodec_support.TestBase, unittest.TestCase):
(b'ab\x1BNdef', 'replace', 'abdef'),
)
class Test_ISO2022_JP3(multibytecodec_support.TestBase, unittest.TestCase):
encoding = 'iso2022_jp_3'
tstring = multibytecodec_support.load_teststring('iso2022_jp')
codectests = COMMON_CODEC_TESTS + (
(b'ab\x1BNdef', 'replace', 'ab\x1BNdef'),
(b'\x1B$(O\x2E\x23\x1B(B', 'strict', '\u3402' ),
(b'\x1B$(O\x2E\x22\x1B(B', 'strict', '\U0002000B' ),
(b'\x1B$(O\x24\x77\x1B(B', 'strict', '\u304B\u309A'),
(b'\x1B$(P\x21\x22\x1B(B', 'strict', '\u4E02' ),
(b'\x1B$(P\x7E\x76\x1B(B', 'strict', '\U0002A6B2' ),
('\u3402', 'strict', b'\x1B$(O\x2E\x23\x1B(B'),
('\U0002000B', 'strict', b'\x1B$(O\x2E\x22\x1B(B'),
('\u304B\u309A', 'strict', b'\x1B$(O\x24\x77\x1B(B'),
('\u4E02', 'strict', b'\x1B$(P\x21\x22\x1B(B'),
('\U0002A6B2', 'strict', b'\x1B$(P\x7E\x76\x1B(B'),
(b'ab\x1B$(O\x2E\x21\x1B(Bdef', 'replace', 'ab\uFFFDdef'),
('ab\u4FF1def', 'replace', b'ab?def'),
)
xmlcharnametest = (
'\xAB\u211C\xBB = \u2329\u1234\u232A',
b'\x1B$(O\x29\x28\x1B(B&real;\x1B$(O\x29\x32\x1B(B = &lang;&#4660;&rang;'
)
class Test_ISO2022_JP2004(multibytecodec_support.TestBase, unittest.TestCase):
encoding = 'iso2022_jp_2004'
tstring = multibytecodec_support.load_teststring('iso2022_jp')
codectests = COMMON_CODEC_TESTS + (
(b'ab\x1BNdef', 'replace', 'ab\x1BNdef'),
(b'\x1B$(Q\x2E\x23\x1B(B', 'strict', '\u3402' ),
(b'\x1B$(Q\x2E\x22\x1B(B', 'strict', '\U0002000B' ),
(b'\x1B$(Q\x24\x77\x1B(B', 'strict', '\u304B\u309A'),
(b'\x1B$(P\x21\x22\x1B(B', 'strict', '\u4E02' ),
(b'\x1B$(P\x7E\x76\x1B(B', 'strict', '\U0002A6B2' ),
('\u3402', 'strict', b'\x1B$(Q\x2E\x23\x1B(B'),
('\U0002000B', 'strict', b'\x1B$(Q\x2E\x22\x1B(B'),
('\u304B\u309A', 'strict', b'\x1B$(Q\x24\x77\x1B(B'),
('\u4E02', 'strict', b'\x1B$(P\x21\x22\x1B(B'),
('\U0002A6B2', 'strict', b'\x1B$(P\x7E\x76\x1B(B'),
(b'ab\x1B$(Q\x2E\x21\x1B(Bdef', 'replace', 'ab\u4FF1def'),
('ab\u4FF1def', 'replace', b'ab\x1B$(Q\x2E\x21\x1B(Bdef'),
)
xmlcharnametest = (
'\xAB\u211C\xBB = \u2329\u1234\u232A',
b'\x1B$(Q\x29\x28\x1B(B&real;\x1B$(Q\x29\x32\x1B(B = &lang;&#4660;&rang;'
)
class Test_ISO2022_KR(multibytecodec_support.TestBase, unittest.TestCase):
encoding = 'iso2022_kr'
tstring = multibytecodec_support.load_teststring('iso2022_kr')