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gh-111178: fix UBSan failures in Modules/_threadmodule.c #129794

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Merged
encukou merged 12 commits into from
Feb 24, 2025
Merged

gh-111178: fix UBSan failures in Modules/_threadmodule.c #129794

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9447294
fix UBSan failures for `PyThreadHandleObject`
picnixz Jan 25, 2025
1083c46
use a macro for casts to `lockobject`
picnixz Jan 25, 2025
d7a39ae
fix UBSan failures for `rlockobject`
picnixz Jan 25, 2025
557dbd0
fix UBSan failures for `localdummyobject`
picnixz Jan 25, 2025
a96a296
fix UBSan failures for `localobject`
picnixz Jan 25, 2025
339a416
add safe casts
picnixz Jan 25, 2025
17ba461
cleanup module functions
picnixz Jan 25, 2025
4b3e706
use semantically correct parameter names
picnixz Feb 6, 2025
122f2ee
Merge remote-tracking branch 'upstream/main' into fix/ubsan/thread-11…
picnixz Feb 7, 2025
7a5ed41
Do Do not use `_` + capital letter in new code as it is also UB.
picnixz Feb 8, 2025
ce0eb11
Do not add an underscore to the macro if none is needed.
picnixz Feb 8, 2025
59a33e3
Merge branch 'main' into fix/ubsan/thread-111178
encukou Feb 18, 2025
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add safe casts
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@picnixz
picnixz committed Jan 25, 2025
commit 339a4164cf9940c01e72d0efb5996d55eb388875
2 changes: 1 addition & 1 deletion Modules/_threadmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1743,7 +1743,7 @@ static PyObject *
clear_locals(PyObject *locals_and_key, PyObject *dummyweakref)
{
PyObject *localweakref = PyTuple_GetItem(locals_and_key, 0);
localobject *self = (localobject *)_PyWeakref_GET_REF(localweakref);
localobject *self = _localobject_CAST(_PyWeakref_GET_REF(localweakref));
if (self == NULL) {
Py_RETURN_NONE;
}
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