Concurrent skill mutation race condition and fix
Cluster 111578. Data as of
Nothing open on GitHub. Fix merged in #112218 on 16 Sep 2026. Check it covers your case.
The short answer
- Known?
- Yes. 3 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #112218. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #112218. That is separate from the fix event. - Still open
- Nothing open on GitHub.
A race condition in skill_manage allows concurrent writers to silently overwrite each other's updates due to missing locking. The related items address serializing concurrent skill mutations to prevent lost edits.
Open issues0
Open PRs0
Fixes on record
-
#112218 fix(skills): concurrent skill_manage writers no longer lose each other's edits (#111578, salvage #111585)
files:
agent/curator_backup.py,agent/learning_graph.py,agent/skill_commands.py,agent/skill_utils.py,tests/tools/test_skill_manager_tool.py,tests/tools/test_skill_usage.py,tools/skill_ledger.py,tools/skill_manager_batch.py,tools/skill_manager_tool.py,tools/skill_usage.py
1 PR closed without merging
From the close comments: merged via another change 1
-
#111585 fix(skills): serialize concurrent skill mutations · merged via another change →
54ed7cb,#112218
Closed issues · 1
- Closed#111578skill_manage read-modify-write has no lock — concurrent writers can silently lose an update
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Merged PRs
- #112218
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 16 Sep 2026