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[3.12] gh-127563: use dk_log2_index_bytes=3 in empty dicts (GH-127568) #127813

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Merged
merged 1 commit into from
Dec 12, 2024
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[3.12] gh-127563: use dk_log2_index_bytes=3 in empty dicts (GH-127568) #127813

merged 1 commit into from
Dec 12, 2024

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@miss-islington miss-islington commented Dec 11, 2024 •
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This fixes a UBSan failure (unaligned zero-size memcpy) in dictobject.c.
(cherry picked from commit 9af96f4)

Co-authored-by: Bénédikt Tran 10796600+picnixz@users.noreply.github.com

@picnixz @miss-islington
pythongh-127563: use dk_log2_index_bytes=3 in empty dicts (pythonGH…
5bf0bc3 
…-127568)

This fixes a UBSan failure (unaligned zero-size memcpy) in `dictobject.c`.
(cherry picked from commit 9af96f4)

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
@bedevere-app bedevere-app bot mentioned this pull request Dec 11, 2024
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@bedevere-app bedevere-app bot mentioned this pull request Dec 11, 2024
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@encukou encukou merged commit 320a1dc into python:3.12 Dec 12, 2024
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@methane methane methane approved these changes

@markshannon markshannon Awaiting requested review from markshannon markshannon is a code owner

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