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Type: Bug
Resolution: Unresolved
Priority: Undefined
Fix Version/s: None
Affects Version/s: 4.21
Component/s: Networking / DNS
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Activity Type:
None
Blocked:
False
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Story Points:
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Severity:
Important
Regression:
None

Target Backport Versions:
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Target Version:
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Release Blocker:
Rejected
Sprint:
None

SFDC Cases Counter:
SFDC Cases Open:
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PX Impact Score:

Release Note Status:
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Release Note Type:
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Release Note Text:
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Escape Reason:
None
Escape Impact:
None
Corrective Measures:
None
SDLC stage when should've been found:
None

Description of problem:

A node can incorrectly marked as schedulable in case the node has more than one taint and just one of them matches. See also https://github.com/openshift/cluster-dns-operator/pull/459#pullrequestreview-3875844118

Version-Release number of selected component (if applicable):

How reproducible:

always

Steps to Reproduce:

From a node having more than one taint, it should be considered schedulable if all of them are tolerated.

Actual results:

It is matching a node if any taint tolerates the deployment.

Expected results:

It should match only if all the taints are tolerated.

Additional info:

Assignee:: Davide Salerno

Reporter:: Joao Morais

QA Contact:: Melvin Joseph

Need Info From:: None

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Created:: 2026/03/02 2:20 PM

Updated:: 2026/03/04 2:45 AM