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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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7
Lib/test/mapping_tests.py
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@ -1,7 +1,7 @@
# tests common to dict and UserDict
import unittest
import collections
from test.support import get_c_recursion_limit, skip_emscripten_stack_overflow
from test import support
class BasicTestMappingProtocol(unittest.TestCase):
@ -622,10 +622,11 @@ class TestHashMappingProtocol(TestMappingProtocol):
d = self._full_mapping({1: BadRepr()})
self.assertRaises(Exc, repr, d)
@skip_emscripten_stack_overflow()
@support.skip_wasi_stack_overflow()
@support.skip_emscripten_stack_overflow()
def test_repr_deep(self):
d = self._empty_mapping()
for i in range(get_c_recursion_limit() + 1):
for i in range(support.exceeds_recursion_limit()):
d0 = d
d = self._empty_mapping()
d[1] = d0