Assertion failure in Objects/rangeobject.c `compute_range_length: Assertion PyLong_Check(start)' failed`

[YuanchengJiang]

Bug report

Bug description:

import pickle

for proto in range(pickle.HIGHEST_PROTOCOL + 1):
    it = iter(range(0x80000000 ** 32 + -(2**15)))
    it.__setstate__(2 ** -(2**15) + 1)
    d = pickle.dumps(it, proto)

python: ../Objects/rangeobject.c:243: compute_range_length: Assertion `PyLong_Check(start)' failed.
Aborted (core dumped)

CPython versions tested on:

CPython main branch

Operating systems tested on:

Linux

Linked PRs

• GH-141312: Allow only integers to longrangeiter_setstate state #141317
• [3.14] GH-141312: Allow only integers to longrangeiter_setstate state (GH-141317) #141559

[sergey-miryanov]

Working on it