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GH-91079: Implement C stack limits using addresses, not counters. (GH-130007)

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* Implement C recursion protection with limit pointers

* Remove calls to PyOS_CheckStack

* Add stack protection to parser

* Make tests more robust to low stacks

* Improve error messages for stack overflow
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Mark Shannon 2025-02-19 11:44:57 +00:00 • committed by GitHub
parent c637bce20a
commit 2498c22fa0
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47 changed files with 1217 additions and 1463 deletions
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6
Lib/test/list_tests.py
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@ -6,7 +6,8 @@ import sys
from functools import cmp_to_key
from test import seq_tests
from test.support import ALWAYS_EQ, NEVER_EQ, get_c_recursion_limit, skip_emscripten_stack_overflow
from test.support import ALWAYS_EQ, NEVER_EQ
from test.support import skip_emscripten_stack_overflow, skip_wasi_stack_overflow
class CommonTest(seq_tests.CommonTest):
@ -59,10 +60,11 @@ class CommonTest(seq_tests.CommonTest):
self.assertEqual(str(a2), "[0, 1, 2, [...], 3]")
self.assertEqual(repr(a2), "[0, 1, 2, [...], 3]")
@skip_wasi_stack_overflow()
@skip_emscripten_stack_overflow()
def test_repr_deep(self):
a = self.type2test([])
for i in range(get_c_recursion_limit() + 1):
for i in range(100_000):
a = self.type2test([a])
self.assertRaises(RecursionError, repr, a)