{"repo":"NousResearch/hermes-agent","public_id":"13081","display_label":"orphaned browser daemon cleanup and process leaks","summary":"Multiple issues and fixes addressing orphaned agent-browser daemon processes and Chromium trees that accumulate due to timeouts, force-closed sessions, or startup failures. Includes detection, reaping logic, idle timeouts, and a bug in the glob pattern used to identify orphaned sessions.","subsystem":"agent","counts":{"members":8,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":3,"merged_prs":3,"attempt_prs":2},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":13155},"resolution":{"state":"partially_resolved","by":"pr-13155,pr-94183"},"freshness":{"state":"verified","last_verified_at":"2026-08-27T10:41:17+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_PARTIAL","link_density":0.20428571428571426},"fix_edges":[{"issue_number":13081,"pr_number":13155,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true},{"issue_number":68139,"pr_number":94183,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true},{"issue_number":68139,"pr_number":94188,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false},{"issue_number":72205,"pr_number":94183,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true}],"members":[{"kind":"issue","number":13081,"title":"[Bug]: `_reap_orphaned_browser_sessions()` glob pattern doesn't match actual socket directories, causing daemon startup failure","url":null,"state":"closed"},{"kind":"issue","number":13793,"title":"Orphaned agent-browser daemons accumulate after force-closed sessions, eventually freezing CLI input","url":null,"state":"closed"},{"kind":"issue","number":68139,"title":"browser_tool: command timeout leaks the spawned agent-browser daemon + Chromium tree (long-lived gateway accumulates orphans until host OOM)","url":null,"state":"closed"},{"kind":"pr","number":13084,"title":"fix(tools): reap orphaned cloud browser daemons with hermes session p…","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#13155","number":13155},{"kind":"pr","value":"#13155","number":13155}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":13155,"title":"fix(tools): reap orphaned cloud browser daemons with hermes session prefix","url":null,"state":"merged","close_reason":{"category":"merged","implication":"superseded"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["tools/browser_tool.py"],"fix_hunks":[{"file":"tools/browser_tool.py","hunks":["@@ -582,6 +582,8 @@ def _reap_orphaned_browser_sessions():\n     socket_dirs = glob.glob(pattern)\n     # Also pick up CDP sessions\n     socket_dirs += glob.glob(os.path.join(tmpdir, \"agent-browser-cdp_*\"))\n+    # Also pick up cloud-provider sessions (browser-use/browserbase/firecrawl)\n+    socket_dirs += glob.glob(os.path.join(tmpdir, \"agent-browser-hermes_*\"))\n \n     if not socket_dirs:\n         return\n"]}]},{"kind":"pr","number":68220,"title":"fix(browser): tree-kill orphaned agent-browser daemon on command timeout (#68139)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#94183","number":94183},{"kind":"pr","value":"#85125","number":85125},{"kind":"pr","value":"#68139","number":68139},{"kind":"pr","value":"#94188","number":94188}],"category":"implemented_elsewhere","implication":"superseded"},"merged":false},{"kind":"pr","number":94183,"title":"fix(browser): suspect-session recycle + wedged-daemon tree-kill on timeout (#85125 3b-browser/4c)","url":null,"state":"merged","close_reason":{"category":"merged","implication":"superseded"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["tests/tools/test_browser_open_timeout.py","tests/tools/test_browser_suspect_recycle.py","tools/browser_tool.py"]},{"kind":"pr","number":94188,"title":"refactor(deadline): consolidate site-local tree-kills onto agent.deadline.kill_process_tree (#85125 4d)","url":null,"state":"merged","close_reason":{"category":"merged","implication":"superseded"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["hermes_cli/_subprocess_compat.py","tests/agent/test_treekill_consolidation.py","tests/tools/test_browser_npx_warmup.py","tools/browser_tool.py","tools/code_execution_tool.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}