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[3.14] gh-135321: Always raise a correct exception for BINSTRING argument > 0x7fffffff in pickle (GH-135322) (GH-135382)
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(cherry picked from commit 2b8b4774d2)

Co-authored-by: Justin Applegate <70449145+Legoclones@users.noreply.github.com>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This commit is contained in:
Miss Islington (bot) 2025-06-11 13:01:15 +02:00 • committed by GitHub
parent 30494cc72c
commit 0e969fe843
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3 changed files with 10 additions and 5 deletions
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5
Lib/test/pickletester.py
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@ -1100,6 +1100,11 @@ class AbstractUnpickleTests:
self.check_unpickling_error((pickle.UnpicklingError, OverflowError),
dumped)
def test_large_binstring(self):
errmsg = 'BINSTRING pickle has negative byte count'
with self.assertRaisesRegex(pickle.UnpicklingError, errmsg):
self.loads(b'T\0\0\0\x80')
def test_get(self):
pickled = b'((lp100000\ng100000\nt.'
unpickled = self.loads(pickled)