gh-157364: Fix use-after-free in TextIOWrapper during reentrant detach - #157370
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ashm-dev wants to merge 3 commits into
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gh-157364: Fix use-after-free in TextIOWrapper during reentrant detach#157370ashm-dev wants to merge 3 commits into
ashm-dev wants to merge 3 commits into
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vstinner
reviewed
Sep 12, 2026
vstinner
approved these changes
Sep 13, 2026
| wrapper = self.TextIOWrapper( | ||
| self.BufferedReader(raw), encoding="utf-8") | ||
| method = getattr(wrapper, method_name) | ||
| self.assertEqual(method(), "ab\n") |
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Can you check that wrapper is actually detached? Maybe get wrapper.buffer and expect PyExc_ValueError("underlying buffer has been detached")?
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