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gh-153539: Fix use-after-free in TextIOWrapper.tell() with a reentrant decoder - #153540

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serhiy-storchaka merged 2 commits into
python:mainfrom
tonghuaroot:textio-tell-reentrant-uaf
Aug 17, 2026
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gh-153539: Fix use-after-free in TextIOWrapper.tell() with a reentrant decoder#153540
serhiy-storchaka merged 2 commits into
python:mainfrom
tonghuaroot:textio-tell-reentrant-uaf

Note the concurrent seek() trigger in the NEWS and comment

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succeeded Aug 17, 2026 in 50s