8000 gh-131998: Fix `NULL` dereference when using an unbound method descriptor in a specialized code path by ZeroIntensity · Pull Request #132000 · python/cpython · GitHub
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gh-131998: Fix NULL dereference when using an unbound method descriptor in a specialized code path #132000

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Merged
merged 16 commits into from
Apr 8, 2025
Merged

gh-131998: Fix NULL dereference when using an unbound method descriptor in a specialized code path #132000

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345ad57
Fix crash when the stackref is NULL.
ZeroIntensity Apr 2, 2025
1914aca
Add a test.
ZeroIntensity Apr 2, 2025
5101034
Add a test case.
ZeroIntensity Apr 2, 2025
2233afe
Add blurb
ZeroIntensity Apr 2, 2025
538c83b
Update Lib/test/test_types.py
ZeroIntensity Apr 2, 2025
04b61df
Try removing the 'import glob' now.
ZeroIntensity Apr 2, 2025
cd12c28
Add back the 'import glob', it doesn't reproduce.
ZeroIntensity Apr 2, 2025
f73dd59
Update Lib/test/test_types.py
ZeroIntensity Apr 2, 2025
a2a07ea
Check for 'total_args' instead of 'self'
ZeroIntensity Apr 2, 2025
aefcf8a
Merge branch 'main' into gh-131998-method-descriptor-crash
ZeroIntensity Apr 7, 2025
0eb6933
Fix the damn import.
ZeroIntensity Apr 7, 2025
d1d5c0a
Apply suggestions from code review
ZeroIntensity Apr 8, 2025
0261714
Remove 'import glob'
ZeroIntensity Apr 8, 2025
99037ae
Fix stray newline change.
ZeroIntensity Apr 8, 2025
d87de41
Remove comment.
ZeroIntensity Apr 8, 2025
363acec
Merge branch 'main' into gh-131998-method-descriptor-crash
Yhg1s Apr 8, 2025
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Update Lib/test/test_types.py 
Co-authored-by: Victor Stinner <vstinner@python.org>
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@ZeroIntensity @vstinner
ZeroIntensity and vstinner authored Apr 2, 2025
commit f73dd5935697b23964d5a25b0c240dfe87438af5
2 changes: 1 addition & 1 deletion Lib/test/test_types.py
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Expand Up @@ -647,7 +647,7 @@ def test_traceback_and_frame_types(self):
def test_capsule_type(self):
self.assertIsInstance(_datetime.datetime_CAPI, types.CapsuleType)

def test_gh131998(self):
def test_call_unbound_crash(self):
# GH-131998: The specialized instruction would get tricked into dereferencing
# a bound "self" that didn't exist if subsequently called unbound.
code = """if True:
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