Nitish <[email protected]> added the comment:
The problem is with the following check:
n = digits * bits_per_char + PyLong_SHIFT - 1;
if (n / bits_per_char < p - start) {
PyErr_SetString(PyExc_ValueError,
"int string too large to convert");
The problem is that n / bits_per_char gives the number of digits required. But
p - start has the number of '_'s included in it. So even for valid cases, if
the number of '_'s is above a limit, this check holds true and an overflow is
raised.
Fix: Replace p - start with the actual number of digits.
----------
nosy: +nitishch
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Python tracker <[email protected]>
<https://bugs.python.org/issue31619>
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