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Automated cherry pick of #1207: fix: rule difference for nested objects#1337

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kmala wants to merge 2 commits intokubernetes:release-1.31from
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Automated cherry pick of #1207: fix: rule difference for nested objects#1337
kmala wants to merge 2 commits intokubernetes:release-1.31from
kmala:automated-cherry-pick-of-#1207-upstream-release-1.31

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@kmala kmala commented Feb 11, 2026

Cherry pick of #1207 on release-1.31.

#1207: fix: rule difference for nested objects

For details on the cherry pick process, see the cherry pick requests page.


The Difference method calculation are returning wrong values on service
update calculating the security group rules.

The core issue is caused by it is always comparing the pointer address,
not the values, always generating difference between lists.

Example:
given s1:{a1, a2} and s2:{a2,a3,a4}
s2.Difference(s1) was returning {a2, a3, a4}, instead {a3, a4}
@k8s-ci-robot k8s-ci-robot added needs-kind Indicates a PR lacks a `kind/foo` label and requires one. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. needs-triage Indicates an issue or PR lacks a `triage/foo` label and requires one. labels Feb 11, 2026
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[APPROVALNOTIFIER] This PR is NOT APPROVED

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@k8s-ci-robot k8s-ci-robot requested review from dims and mmerkes February 11, 2026 19:07
@k8s-ci-robot k8s-ci-robot added the size/L Denotes a PR that changes 100-499 lines, ignoring generated files. label Feb 11, 2026
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kmala commented Feb 11, 2026

/kind bug
/triage accepted

@k8s-ci-robot k8s-ci-robot added kind/bug Categorizes issue or PR as related to a bug. triage/accepted Indicates an issue or PR is ready to be actively worked on. and removed needs-kind Indicates a PR lacks a `kind/foo` label and requires one. needs-triage Indicates an issue or PR lacks a `triage/foo` label and requires one. labels Feb 11, 2026
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