[issue35623] Segfault in test_bigmem.ListTest.test_sort

[Stephan Hohe]

Stephan Hohe <sth.dev at tejp.de> added the comment:

Actually the segfault is in Objects/listobject.c:2301 in that test since it doesn't use tuples. But the takeaway is the same: `i` overflows to a negative number and causes an invalid memory access.

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<https://bugs.python.org/issue35623>
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