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test campaign #3: Phase 3 concurrency storms (C1 mutex, C2 flap+gate, C3 agent-kill unquiesce — all PASS)

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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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authentik Default Admin
2026-06-22 21:30:08 +02:00
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@@ -25,7 +25,13 @@ handles-or-fails-safe, then recovers. Every break carries a timed auto-revert; P
| S2 | garbage in uptime-kuma `app.yaml` → rescan | **PASS** | controller stays **healthy** (25/0), logs `[WARN] LoadAppConfig: yaml: … did not find expected key` (not silent, not fatal), other apps unaffected. Restore → `running/deployed`. **Contrast with S1:** per-stack app.yaml corruption is graceful; settings.json is fatal. |
| S3 | corrupt quiesce marker (bad JSON) → restart | **PASS (minor finding)** | no panic/crash-loop, controller healthy, **stacks not stranded** (restarts=0). But the unparseable marker is **silently ignored** (no log) **and left in place** (not cleared/quarantined) — a real corrupted-mid-quiesce marker would skip recovery with no signal. |
| S4 | symlink `→ /etc` in userdata/appdata → backup | **PASS (security holds)** 🔒 | Tier-2 rsync **preserved the symlink** (`EVIL_ETC -> /etc`), did **not** follow it; **/etc contents did NOT leak** into the backup (no passwd/shadow). No path-escape/exfil. |
## Phase 3 — Concurrency storms — _pending_
## Phase 3 — Concurrency storms — **PASS**
| # | Break | Result | Evidence |
|---|---|---|---|
| C1 | deploy + backup + restore + git-sync simultaneously | **PASS** | backup/run + tier2 both single-flighted ("Mentés már folyamatban"); restore mutex'd (302); sync ran independently ("nincs változás"); after settle **no stuck flag** (`running:false`), no deadlock, 25/0 healthy |
| C2 | rapid felhom-usb flap ×5 in ~10s | **PASS** | converged → felhom-usb **MOUNTED**, disconnected mark `None` (not stuck); **0 `permission denied`** during the flap; the v0.75 mountpoint-gate fired **5 clean skips** ("not mounted") in the disconnected windows; 25/0 |
| C3 | kill `felhom-agent` mid-quiesce-backup | **PASS** | quiesce stopped 14 stacks → agent killed → controller `[quiesce] unquiescing (backup start failed): restarting 14 stack(s)` (clean error + defer-unwind, **no stack stranded**); agent restarted → `/api/disks` OK; **idle sockets→8443 = 1** (v0.74 bound holds); recovered 25/0 |
## Phase 4 — Time chaos — _pending_
## Phase 5 — Network partitions — _pending_
## Phase 6 — Input/security fuzzing [HIGH SEV] — _pending_