GeezerVison is showing github.com — [3.14] gh-159811: Raise OpenSSL errors in `_hashlib.HASH` after re-attaching the thread state (GH-159817) by picnixz · Pull Request #159937 · python/cpython
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picnixz
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Oct 20, 2026
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edited by bedevere-app
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When EVP_DigestUpdate() failed, _hashlib_HASH_hash() raised a Python exception, however, _hashlib.HASH.update() and the _hashlib.HASH constructor release the GIL before calling it when the data is larger than HASHLIB_GIL_MINSIZE bytes.
_hashlib_HASH_hash() now only returns an error status and its callers raise the exception once they have re-attached the thread state.
(cherry picked from commit 6fa2d64)
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… re-attaching the thread state (pythonGH-159817)
When `EVP_DigestUpdate()` failed, `_hashlib_HASH_hash()` raised a Python
exception, however, `_hashlib.HASH.update()` and the `_hashlib.HASH`
constructor release the GIL before calling it when the data is larger
than `HASHLIB_GIL_MINSIZE` bytes.
`_hashlib_HASH_hash()` now only returns an error status and its callers
raise the exception once they have re-attached the thread state.
(cherry picked from commit 6fa2d64)
Co-authored-by: Bénédikt Tran <[email protected]>
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