[3.11] gh-127563: use dk_log2_index_bytes=3 in empty dicts (GH-127568) (GH-127813)
#135463
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…ythonGH-127568) (pythonGH-127813) This fixes a UBSan failure (unaligned zero-size memcpy) in `dictobject.c`. (cherry picked from commit 9af96f4) (cherry picked from commit 320a1dc) Co-authored-by: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
This was referenced Jun 13, 2025
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!buildbot AMD64.Arch.Linux.Usan.Function |
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🤖 New build scheduled with the buildbot fleet by @encukou for commit d36498e 🤖 Results will be shown at: https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F135463%2Fmerge The command will test the builders whose names match following regular expression: The builders matched are:
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This fixes a UBSan failure (unaligned zero-size memcpy) in
dictobject.c.(cherry picked from commit 9af96f4)
(cherry picked from commit 320a1dc)
Co-authored-by: Miss Islington (bot) 31488909+miss-islington@users.noreply.github.com
Co-authored-by: Bénédikt Tran 10796600+picnixz@users.noreply.github.com
Objects/dictobject.c#127563