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gh-148688: Fix _BlocksOutputBuffer_Finish() double free#148689

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vstinner wants to merge 3 commits intopython:mainpython/cpython:mainfrom

vstinner:writer_discardvstinner/cpython:writer_discardCopy head branch name to clipboard

Conversation Commits3 (3)Checks Files changed

Open

gh-148688: Fix _BlocksOutputBuffer_Finish() double free#148689
vstinner wants to merge 3 commits intopython:mainfrom
vstinner:writer_discard

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Commits on Apr 17, 2026

gh-148688: Fix _BlocksOutputBuffer_Finish() double free
vstinner
committed
lzma and zlib are also affected
vstinner
committed
NEWS entry: mention alos compression.zstd
vstinner
committed

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