10000 gh-128961: Fix exhausted array iterator crash in `__setstate__` by tom-pytel · Pull Request #128962 · python/cpython · GitHub
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gh-128961: Fix exhausted array iterator crash in __setstate__ #128962

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Merged
merged 7 commits into from
Jan 18, 2025
Merged

gh-128961: Fix exhausted array iterator crash in __setstate__ #128962

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gh-128961: fix array iterator segfault on __setstate__
tom-pytel Jan 17, 2025
3975683
oops
tom-pytel Jan 17, 2025
3f9bd66
📜🤖 Added by blurb_it.
blurb-it[bot] Jan 17, 2025
e7f00dc
nit picked
tom-pytel Jan 17, 2025
d6610b7
upgrade words
tom-pytel Jan 17, 2025
8eab735
test raise StopIteration after gh-128961
tom-pytel Jan 17, 2025
2accb87
requested tweaks
tom-pytel Jan 17, 2025
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nit picked
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tom-pytel committed Jan 17, 2025
commit e7f00dc0bbbe40c864d646c87b0bdc72f39f9d2f
6 changes: 4 additions & 2 deletions Modules/arraymodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3092,10 +3092,12 @@ array_arrayiterator___setstate__(arrayiterobject *self, PyObject *state)
return NULL;
arrayobject *ao = self->ao;
if (ao != NULL) {
if (index < 0)
if (index < 0) {
index = 0;
else if (index > Py_SIZE(ao))
}
else if (index > Py_SIZE(ao)) {
index = Py_SIZE(ao); /* iterator exhausted */
}
self->index = index;
}
Py_RETURN_NONE;
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