mirror of
https://github.com/NousResearch/hermes-agent.git
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304fb921bf
Both fixes close process leaks observed in production (18+ orphaned
agent-browser node daemons, 15+ orphaned paste.rs sleep interpreters
accumulated over ~3 days, ~2.7 GB RSS).
## agent-browser daemon leak
Previously the orphan reaper (_reap_orphaned_browser_sessions) only ran
from _start_browser_cleanup_thread, which is only invoked on the first
browser tool call in a process. Hermes sessions that never used the
browser never swept orphans, and the cross-process orphan detection
relied on in-process _active_sessions, which doesn't see other hermes
PIDs' sessions (race risk).
- Write <session>.owner_pid alongside the socket dir recording the
hermes PID that owns the daemon (extracted into _write_owner_pid for
direct testability).
- Reaper prefers owner_pid liveness over in-process _active_sessions.
Cross-process safe: concurrent hermes instances won't reap each
other's daemons. Legacy tracked_names fallback kept for daemons
that predate owner_pid.
- atexit handler (_emergency_cleanup_all_sessions) now always runs
the reaper, not just when this process had active sessions —
every clean hermes exit sweeps accumulated orphans.
## paste.rs auto-delete leak
_schedule_auto_delete spawned a detached Python subprocess per call
that slept 6 hours then issued DELETE requests. No dedup, no tracking —
every 'hermes debug share' invocation added ~20 MB of resident Python
interpreters that stuck around until the sleep finished.
- Replaced the spawn with ~/.hermes/pastes/pending.json: records
{url, expire_at} entries.
- _sweep_expired_pastes() synchronously DELETEs past-due entries on
every 'hermes debug' invocation (run_debug() dispatcher).
- Network failures stay in pending.json for up to 24h, then give up
(paste.rs's own retention handles the 'user never runs hermes again'
edge case).
- Zero subprocesses; regression test asserts subprocess/Popen/time.sleep
never appear in the function source (skipping docstrings via AST).
## Validation
| | Before | After |
|------------------------------|---------------|--------------|
| Orphan agent-browser daemons | 18 accumulated| 2 (live) |
| paste.rs sleep interpreters | 15 accumulated| 0 |
| RSS reclaimed | - | ~2.7 GB |
| Targeted tests | - | 2253 pass |
E2E verified: alive-owner daemons NOT reaped; dead-owner daemons
SIGTERM'd and socket dirs cleaned; pending.json sweep deletes expired
entries without spawning subprocesses.
|
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|---|---|---|
| .. | ||
| __init__.py | ||
| auth.py | ||
| auth_commands.py | ||
| backup.py | ||
| banner.py | ||
| callbacks.py | ||
| claw.py | ||
| cli_output.py | ||
| clipboard.py | ||
| codex_models.py | ||
| colors.py | ||
| commands.py | ||
| completion.py | ||
| config.py | ||
| copilot_auth.py | ||
| cron.py | ||
| curses_ui.py | ||
| debug.py | ||
| default_soul.py | ||
| dingtalk_auth.py | ||
| doctor.py | ||
| dump.py | ||
| env_loader.py | ||
| gateway.py | ||
| logs.py | ||
| main.py | ||
| mcp_config.py | ||
| memory_setup.py | ||
| model_normalize.py | ||
| model_switch.py | ||
| models.py | ||
| nous_subscription.py | ||
| pairing.py | ||
| platforms.py | ||
| plugins.py | ||
| plugins_cmd.py | ||
| profiles.py | ||
| providers.py | ||
| runtime_provider.py | ||
| setup.py | ||
| skills_config.py | ||
| skills_hub.py | ||
| skin_engine.py | ||
| status.py | ||
| tips.py | ||
| tools_config.py | ||
| uninstall.py | ||
| web_server.py | ||
| webhook.py | ||