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Update to latest Gentoo, drop outdated patches - #4359
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This change drops user patches from - coreos-overlay/coreos/user-patches/sys-apps/coreutils (only apply to coreutils 9.11 and older) - coreos-overlay/coreos/user-patches/dev-lang/python (only apply to python 3.13.16 and older) It also updates the Gentoo submodule to latest upstream, which (among other changes) stabilises coreutils 9.12. Without removing our custom patches, that upgrade would cause build breakage.
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🔵 Needs a closer look
The missing Gentoo gitlink update and unavailable ebuilds require human verification that the pinned coreutils and Python versions include all three removed security fixes and affected builds succeed.
No open issues 🎉
What changed in this PR
Removes obsolete Flatcar user patches to avoid build failures with the coreutils 9.12 and Python 3.13.18 upgrades described in the PR.
Changes:
- Removes the coreutils
uniqread-overrun andunexpandheap-overflow patches. - Removes the Python
tarfilesecurity patch. - Deletes the accompanying patch-retirement documentation.
| File | Description |
|---|---|
sdk_container/src/third_party/coreos-overlay/coreos/user-patches/sys-apps/coreutils/README.md |
Removes retirement notes for the coreutils patches. |
sdk_container/src/third_party/coreos-overlay/coreos/user-patches/sys-apps/coreutils/0002-unexpand-fix-heap-overflow.patch |
Removes the obsolete unexpand heap-overflow fix. |
sdk_container/src/third_party/coreos-overlay/coreos/user-patches/sys-apps/coreutils/0001-uniq-fix-read-overrun-with-w.patch |
Removes the obsolete uniq -w read-overrun fix. |
sdk_container/src/third_party/coreos-overlay/coreos/user-patches/dev-lang/python/README.md |
Removes retirement notes for the Python patch. |
sdk_container/src/third_party/coreos-overlay/coreos/user-patches/dev-lang/python/0001-cve-2026-19672.patch |
Removes the obsolete tarfile extraction security fix. |
Review effort: Balanced
t-lo
marked this pull request as ready for review
November 5, 2026 09:15
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Image builds successfully (local build), PR is ready for review. |
tormath1
moved this to ✅ Testing / in Review
in Flatcar tactical, release planning, and roadmap
tormath1
approved these changes
Nov 5, 2026
tormath1
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tormath1
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LGTM - always nice to see some downstream patches leaving the boat.
github-project-automation
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moved this from ✅ Testing / in Review
to Implemented
in Flatcar tactical, release planning, and roadmap
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This change drops user patches from
It also updates the Gentoo submodule to latest upstream, which (among other changes) stabilises coreutils 9.12 and python-3.13.18. Without removing our custom patches, that upgrade would cause build breakage.
This change is required to fix the gentoo update CI job (#4348).
Hopefully, we can drop most of our custom coreos-overlay/coreos/user-patches/ patches in the long term.