Siyao Meng created HDDS-16460:
---------------------------------
Summary: Container delete leaves a zombie recoveringContainerMap
entry (masked by scrub null guard)
Key: HDDS-16460
URL: https://issues.apache.org/jira/browse/HDDS-16460
Project: Apache Ozone
Issue Type: Bug
Reporter: Siyao Meng
h3. Finding
The container delete path leaves a zombie recoveringContainerMap entry (no
removeRecoveringContainer call). If the mask were absent the stale entry would
drive the pre-HDDS-7842 unguarded scrub to NPE; at HEAD the consequence is
prevented by the scrub null guard plus non-reused container IDs plus the
HDDS-15791 auto-create rejection. Reachable via the public force-delete API but
a hygiene/defensive gap only.
h3. Classification
* Verdict: MASKED
* Severity: Low
* Source: Specula TLA+ model checking and confirmation debate, finding MC-3
h3. Reproduce
{noformat}
Ozone commit: 9fbf9ee0cb1bd2f5f5d437b6719ebbe5309351fb
Specula: v1.1.0 (commit c6aa3dfa)
Target: dn-ec-reconstruction
Guidance:
campaigns/ozone-9fbf9ee/targets/022-dn-ec-reconstruction/.prompt-extra.md
{noformat}
{code:none}
specula run --agent=claude-code --effort=high --keep-original --max-parallel=2 \
--enable-reviews --confirm-debate --tlc-memory-limit=28G --tlc-worker-limit=8
\
"dn-ec-reconstruction|apache/ozone|Java|Use the target-specific
.prompt-extra.md"
{code}
Discovered under HDDS-16433 (Specula TLA+ verification effort). The TLA+
specification, counterexample, and confirmation debate live in the Specula run
artifacts.
Generated with Specula (Claude Opus 4.8).
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