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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/test_call.py
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@ -1,6 +1,6 @@
import unittest
from test.support import (cpython_only, is_wasi, requires_limited_api, Py_DEBUG,
set_recursion_limit, skip_on_s390x, skip_emscripten_stack_overflow,
set_recursion_limit, skip_on_s390x, exceeds_recursion_limit, skip_emscripten_stack_overflow,
skip_if_sanitizer, import_helper)
try:
import _testcapi
@ -1064,10 +1064,10 @@ class TestRecursion(unittest.TestCase):
recurse(90_000)
with self.assertRaises(RecursionError):
recurse(101_000)
c_recurse(100)
c_recurse(50)
with self.assertRaises(RecursionError):
c_recurse(90_000)
c_py_recurse(90)
c_py_recurse(50)
with self.assertRaises(RecursionError):
c_py_recurse(100_000)