D368: confirm and close a finished install’s own terminals during Take over (#404) #433

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opened 2026-11-08 17:30:49 +00:00 by kayg · 59 comments

kayg commented 2026-11-08 17:30:49 +00:00

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J379 implements D368, referencing #404. Start: branch takeover-close-terminals-d368, base 098f2c4452 (current origin/dev). Plan: add red regression coverage; extend the existing finished-install scan and exact confirmation record; wire terminal details into the existing confirmation; prove root takeover, stale confirmation, non-terminal refusal and rollback on a disposable VM; capture production-build screenshots on dev-02; run quick and compute01 fast, compare unrelated reds against dev. Estimate: 4 hours plus shared build-slot queue time. minipc01 is preserved and will not be accessed. No merge, push or deployment authorized by the task.

J379 implements D368, referencing #404. Start: branch takeover-close-terminals-d368, base 098f2c445210883055e85c73699694de981e94a0 (current origin/dev). Plan: add red regression coverage; extend the existing finished-install scan and exact confirmation record; wire terminal details into the existing confirmation; prove root takeover, stale confirmation, non-terminal refusal and rollback on a disposable VM; capture production-build screenshots on dev-02; run quick and compute01 fast, compare unrelated reds against dev. Estimate: 4 hours plus shared build-slot queue time. minipc01 is preserved and will not be accessed. No merge, push or deployment authorized by the task.

kayg commented 2026-11-08 17:39:58 +00:00

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Finding: report_installed calls holders_beside_agent, which calls live_session_sockets before scan_holders agent. Any bound terminal endpoint therefore returns 73 and makes a finished root install busy even when every holder is its own session scope. Evidence: crates/plugins/ssh/src/previous_attempt.sh lines 718–740 on base 098f2c445. The runtime helper already authenticates session peers and kernel-bound endpoints; extend that proof for the confirmation rather than trusting scope names alone. Root fixture and browser proof pending. First red run: compute01 ~/j379-evidence/red.log.

Finding: report_installed calls holders_beside_agent, which calls live_session_sockets before scan_holders agent. Any bound terminal endpoint therefore returns 73 and makes a finished root install busy even when every holder is its own session scope. Evidence: crates/plugins/ssh/src/previous_attempt.sh lines 718–740 on base 098f2c445. The runtime helper already authenticates session peers and kernel-bound endpoints; extend that proof for the confirmation rather than trusting scope names alone. Root fixture and browser proof pending. First red run: compute01 ~/j379-evidence/red.log.

kayg commented 2026-11-08 17:53:28 +00:00

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Owner clarification: the confirmation stays inside Add host, as the next step of the same sheet, with the terminal list and Close it and take over. Back returns to the refusal step. Reusing the existing takeover step and shared key/value list. First parser red confirmed: terminal_takeover_record_names_what_confirmation_will_close fails because the baseline parser rejects the new terminal-bearing record (compute01 ~/j379-evidence/red.log). Backend green currently queued; root proof will use a temporary root-owned install, the shipping shim and uniquely named systemd session scopes. No access to minipc01.

Owner clarification: the confirmation stays inside Add host, as the next step of the same sheet, with the terminal list and Close it and take over. Back returns to the refusal step. Reusing the existing takeover step and shared key/value list. First parser red confirmed: terminal_takeover_record_names_what_confirmation_will_close fails because the baseline parser rejects the new terminal-bearing record (compute01 ~/j379-evidence/red.log). Backend green currently queued; root proof will use a temporary root-owned install, the shipping shim and uniquely named systemd session scopes. No access to minipc01.

kayg commented 2026-11-08 18:06:23 +00:00

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Checkpoint: local WIP head on takeover-close-terminals-d368; authenticated terminal records, exact consent matching and final recheck are implemented, with a root-only real shim/scope fixture. The parser red is confirmed and its initial green passed (compute01 /j379-evidence/backend-green.log). I interrupted the broader shell oracle after spotting and correcting an all-account scan in unprivileged fixtures; that interrupted run is not a pass. Full gates, root proof and UI wiring remain pending. Browser red is queued on dev-02 (/j379-evidence/browser-red.log). Main target: compute01 ~/worktrees/j379/target; root proof clone: /root/j379, not built yet. No push or deploy.

Checkpoint: local WIP head on takeover-close-terminals-d368; authenticated terminal records, exact consent matching and final recheck are implemented, with a root-only real shim/scope fixture. The parser red is confirmed and its initial green passed (compute01 ~/j379-evidence/backend-green.log). I interrupted the broader shell oracle after spotting and correcting an all-account scan in unprivileged fixtures; that interrupted run is not a pass. Full gates, root proof and UI wiring remain pending. Browser red is queued on dev-02 (~/j379-evidence/browser-red.log). Main target: compute01 ~/worktrees/j379/target; root proof clone: /root/j379, not built yet. No push or deploy.

kayg commented 2026-11-08 18:29:02 +00:00

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Browser red confirmed on dev-02 production build: the new terminal confirmation test fails because the existing Add host Take over step has no terminal summary. Evidence: claude@infraternal-dev-02-std:~/j379-evidence/browser-red.log. Wiring the existing step, key/value list and Back action as the owner confirmed. A separate regression is testing the retained SSH check channel’s 512-byte record limit before changing it.

Browser red confirmed on dev-02 production build: the new terminal confirmation test fails because the existing Add host Take over step has no terminal summary. Evidence: claude@infraternal-dev-02-std:~/j379-evidence/browser-red.log. Wiring the existing step, key/value list and Back action as the owner confirmed. A separate regression is testing the retained SSH check channel’s 512-byte record limit before changing it.

kayg commented 2026-11-08 18:33:16 +00:00

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Transport finding: valid four-terminal confirmation records exceeded the retained SSH check channel’s 512-byte line limit. Red: compute01 ~/j379-evidence/channel-red.log. Green: ~/j379-evidence/backend-green-latest.log (two duplex-check tests and six earlier-install parser tests pass). Only finished-install records receive the larger bounded allowance; ordinary oversized receipts still refuse. Root helper is now building from source in /root/j379; no live claim is held during the build. Browser work was removed from the queue so this job cannot hold two build slots.

Transport finding: valid four-terminal confirmation records exceeded the retained SSH check channel’s 512-byte line limit. Red: compute01 ~/j379-evidence/channel-red.log. Green: ~/j379-evidence/backend-green-latest.log (two duplex-check tests and six earlier-install parser tests pass). Only finished-install records receive the larger bounded allowance; ordinary oversized receipts still refuse. Root helper is now building from source in /root/j379; no live claim is held during the build. Browser work was removed from the queue so this job cannot hold two build slots.

kayg commented 2026-11-08 18:45:20 +00:00

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Root proof found a real implementation failure before completion: a real shim plus idle root bash in its exact session scope is still classified busy. All seven fixture cases therefore failed before any consent/close; the temporary service/scopes were cleaned and the mesh claim released. Evidence: root@infraternal-dev-01-compute01:/root/j379-root-proof.log and /root/j379-root-debug.log (probe exits 73; scope members have the expected root shell/foreground group). Investigating the authenticated probe with scratch-only instrumentation. Branch rebased onto current origin/dev dba2f64248; no numbered decisions edited.

Root proof found a real implementation failure before completion: a real shim plus idle root bash in its exact session scope is still classified busy. All seven fixture cases therefore failed before any consent/close; the temporary service/scopes were cleaned and the mesh claim released. Evidence: root@infraternal-dev-01-compute01:/root/j379-root-proof.log and /root/j379-root-debug.log (probe exits 73; scope members have the expected root shell/foreground group). Investigating the authenticated probe with scratch-only instrumentation. Branch rebased onto current origin/dev dba2f642480eced36df95350e7896299b673c362; no numbered decisions edited.

kayg commented 2026-11-08 18:48:43 +00:00

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Root-cause finding: contracts/shim.md specifies Hello.created_unix_ms, and session.rs emits SystemTime.as_millis(). The new takeover probe incorrectly bounded it as seconds, rejecting every real terminal. Corrected the bound to milliseconds and convert only the public since field to seconds; the fingerprint retains the exact original timestamp. The seven root failures are the red proof for this boundary. Scratch diagnostic instrumentation was removed before the queued build starts.

Root-cause finding: contracts/shim.md specifies Hello.created_unix_ms, and session.rs emits SystemTime.as_millis(). The new takeover probe incorrectly bounded it as seconds, rejecting every real terminal. Corrected the bound to milliseconds and convert only the public since field to seconds; the fingerprint retains the exact original timestamp. The seven root failures are the red proof for this boundary. Scratch diagnostic instrumentation was removed before the queued build starts.

kayg commented 2026-11-08 18:54:53 +00:00

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Root run after the timestamp fix: real offer and explicit scope close work; new-terminal, changed-record, real foreground-program change, nonterminal holder across uid, and failure-after-close rollback passed. Two fixture failures remain in /root/j379-root-green.log: systemctl removes the empty wants directory before the synthetic new-install helper recreates its link, and the race wrapper used unset $2 on daemon-reload (exit 2). Fixed those fixture assumptions and rerunning all seven cases. /root/j379-root-final.log is the final root run. The run wrapper takes/releases the J379 mesh claim only inside its granted slot.

Root run after the timestamp fix: real offer and explicit scope close work; new-terminal, changed-record, real foreground-program change, nonterminal holder across uid, and failure-after-close rollback passed. Two fixture failures remain in /root/j379-root-green.log: systemctl removes the empty wants directory before the synthetic new-install helper recreates its link, and the race wrapper used unset $2 on daemon-reload (exit 2). Fixed those fixture assumptions and rerunning all seven cases. /root/j379-root-final.log is the final root run. The run wrapper takes/releases the J379 mesh claim only inside its granted slot.

kayg commented 2026-11-08 18:56:51 +00:00

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Real-root proof passed: root@infraternal-dev-01-compute01:/root/j379-root-final.log ends verbatim: Ran 7 tests in 69.112s / OK / ROOT_PROOF_EXIT=0. Real root shim PTYs and exact system scopes prove offer-only does not close, explicit close and takeover, new terminal before confirm, changed record, real foreground-program change, new terminal during stop, other-uid nonterminal fd holder refusal, and D359 restoration after close. The new-install commit is the existing synthetic installer fixture; the old service is a parked stand-in, not live server enrollment. Cleanup verified infraternal-agent.service LoadState=not-found and no J379 mesh claim. minipc01 was never accessed. Browser production specs are now queued on dev-02.

Real-root proof passed: root@infraternal-dev-01-compute01:/root/j379-root-final.log ends verbatim: Ran 7 tests in 69.112s / OK / ROOT_PROOF_EXIT=0. Real root shim PTYs and exact system scopes prove offer-only does not close, explicit close and takeover, new terminal before confirm, changed record, real foreground-program change, new terminal during stop, other-uid nonterminal fd holder refusal, and D359 restoration after close. The new-install commit is the existing synthetic installer fixture; the old service is a parked stand-in, not live server enrollment. Cleanup verified infraternal-agent.service LoadState=not-found and no J379 mesh claim. minipc01 was never accessed. Browser production specs are now queued on dev-02.

kayg commented 2026-11-08 19:04:47 +00:00

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Review finding: the pre-close Take over scan covers every account when root, but the inherited post-close scan_holders all still filters to processes owned by root. A descriptor passed to another uid after scope close could therefore escape the final refusal. Added a root fixture that pauses after disable, introduces a nobody-owned holder, and expects refusal plus D359 restoration. Its red run is pending the current quick slot; no production change for this boundary yet.

Review finding: the pre-close Take over scan covers every account when root, but the inherited post-close scan_holders all still filters to processes owned by root. A descriptor passed to another uid after scope close could therefore escape the final refusal. Added a root fixture that pauses after disable, introduces a nobody-owned holder, and expects refusal plus D359 restoration. Its red run is pending the current quick slot; no production change for this boundary yet.

kayg commented 2026-11-08 19:16:06 +00:00

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Quick pre-check reached clippy and failed on this branch’s wildcard import in takeover_terminals.rs; replaced it with explicit imports. Evidence: compute01 ~/j379-evidence/quick.log. No baseline claim for this author-owned red. Further transport finding: the production server backend has enrollment_origin=Some, so its initial check takes the ordinary 4096-byte command path rather than check_stream. Added a 40-terminal enrollment-origin regression. The queued short run will execute the final-holder red, release its live claim, then run this reader red in the same slot. Latest local checkpoint 0dc4535cf; screenshots and final gates remain pending.

Quick pre-check reached clippy and failed on this branch’s wildcard import in takeover_terminals.rs; replaced it with explicit imports. Evidence: compute01 ~/j379-evidence/quick.log. No baseline claim for this author-owned red. Further transport finding: the production server backend has enrollment_origin=Some, so its initial check takes the ordinary 4096-byte command path rather than check_stream. Added a 40-terminal enrollment-origin regression. The queued short run will execute the final-holder red, release its live claim, then run this reader red in the same slot. Latest local checkpoint 0dc4535cf; screenshots and final gates remain pending.

kayg commented 2026-11-08 19:35:28 +00:00

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Queue checkpoint: the short root-holder red plus enrollment-reader red has waited about 25 minutes and is now first in compute01’s queue (own waiter PID 4001485). No live claim held while waiting. Logs: /root/j379-holder-red.log; then /home/claude/j379-evidence/check-reader-red.log. The earlier complete seven-case root proof is /root/j379-root-final.log and copied to code:~/.cache/codex-scratch/j379/evidence/root-final.log. One remaining build target: /home/claude/worktrees/j379/target; /root/j379/target was removed after retaining the root-built helper at /root/j379-recovery-helper. Final quick/fast and browser evidence remain pending.

Queue checkpoint: the short root-holder red plus enrollment-reader red has waited about 25 minutes and is now first in compute01’s queue (own waiter PID 4001485). No live claim held while waiting. Logs: /root/j379-holder-red.log; then /home/claude/j379-evidence/check-reader-red.log. The earlier complete seven-case root proof is /root/j379-root-final.log and copied to code:~/.cache/codex-scratch/j379/evidence/root-final.log. One remaining build target: /home/claude/worktrees/j379/target; /root/j379/target was removed after retaining the root-built helper at /root/j379-recovery-helper. Final quick/fast and browser evidence remain pending.

kayg commented 2026-11-08 19:46:49 +00:00

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D368 real-root fixture evidence, seven original scenarios. The attached log is verbatim and ends with OK and ROOT_PROOF_EXIT=0.

These use the shipping shim, real PTYs and exact system session scopes on compute01, from the root-owned /root/j379 clone and its root-built helper. The old service is a parked stand-in, and the new-install commit uses the existing synthetic installer fixture. This proves the root takeover/close and rollback paths, not live server enrollment. The later final-holder regression is still queued; final gates and screenshots are pending.

D368 real-root fixture evidence, seven original scenarios. The attached log is verbatim and ends with `OK` and `ROOT_PROOF_EXIT=0`. These use the shipping shim, real PTYs and exact system session scopes on compute01, from the root-owned /root/j379 clone and its root-built helper. The old service is a parked stand-in, and the new-install commit uses the existing synthetic installer fixture. This proves the root takeover/close and rollback paths, not live server enrollment. The later final-holder regression is still queued; final gates and screenshots are pending.

root-final.log

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kayg commented 2026-11-08 19:55:04 +00:00

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Two final boundary findings reproduced and fixed. Root post-close holder red: /root/j379-holder-red.log, expected 73 but actual 0, proving an other-uid fd holder escaped the inherited final scan. Added takeover-all for that scan only, preserving other cleanup modes. Enrollment-origin reader red: ~/j379-evidence/check-reader-red-unit.log, expected Some(40) terminal records but actual None. Green: ~/j379-evidence/check-reader-green-unit.log (1 passed). Both enrollment paths now use the existing bounded check reader; only early publication retains its staging channel, and ordinary command limits stay unchanged. The mock reader test ran under the common brief’s single-quick-unit exception (no extra slot). Rebased on origin/dev 8e664e6b7, including J376’s merged #432 helper fix. Full eight-case root rerun, focused green checks and quick are queued as a short run; the mesh claim is acquired only inside the slot and released before compilation. Latest local checkpoint 69ded4ca7.

Two final boundary findings reproduced and fixed. Root post-close holder red: /root/j379-holder-red.log, expected 73 but actual 0, proving an other-uid fd holder escaped the inherited final scan. Added takeover-all for that scan only, preserving other cleanup modes. Enrollment-origin reader red: ~/j379-evidence/check-reader-red-unit.log, expected Some(40) terminal records but actual None. Green: ~/j379-evidence/check-reader-green-unit.log (1 passed). Both enrollment paths now use the existing bounded check reader; only early publication retains its staging channel, and ordinary command limits stay unchanged. The mock reader test ran under the common brief’s single-quick-unit exception (no extra slot). Rebased on origin/dev 8e664e6b7, including J376’s merged #432 helper fix. Full eight-case root rerun, focused green checks and quick are queued as a short run; the mesh claim is acquired only inside the slot and released before compilation. Latest local checkpoint 69ded4ca7.

kayg commented 2026-11-08 20:02:02 +00:00

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J379 verification status: the eight-scenario real-root rerun plus focused native checks and quick is queued on compute01 (own waiter PID 523484; /root/j379-root-eight.log). Eight queue entries are ahead as of this update; dev-02 is also busy. No live mesh claim is held while queued. Production browser confirmation checks are prepared on dev-02 and will follow without holding two slots. Current branch takeover-close-terminals-d368, head 69ded4ca7, base 8e664e6b7. No minipc01 access.

J379 verification status: the eight-scenario real-root rerun plus focused native checks and quick is queued on compute01 (own waiter PID 523484; /root/j379-root-eight.log). Eight queue entries are ahead as of this update; dev-02 is also busy. No live mesh claim is held while queued. Production browser confirmation checks are prepared on dev-02 and will follow without holding two slots. Current branch takeover-close-terminals-d368, head 69ded4ca7, base 8e664e6b7. No minipc01 access.

kayg commented 2026-11-08 20:16:50 +00:00

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Focused frontend record validation is green on dev-02: bun test test/provisioning-failure.test.ts reports 6 pass, 0 fail, 14 expect() calls. Artifact: /home/claude/j379-evidence/provisioning-unit.log (copied to control evidence directory). This was a single quick unit-test invocation, not a browser run or gate. The shared preview browser failed to open because the control host lacks browser libraries; production screenshots will use the required dev-02 Playwright runner. Compute01 root/quick run remains queued; no mesh claim is held.

Focused frontend record validation is green on dev-02: bun test test/provisioning-failure.test.ts reports 6 pass, 0 fail, 14 expect() calls. Artifact: /home/claude/j379-evidence/provisioning-unit.log (copied to control evidence directory). This was a single quick unit-test invocation, not a browser run or gate. The shared preview browser failed to open because the control host lacks browser libraries; production screenshots will use the required dev-02 Playwright runner. Compute01 root/quick run remains queued; no mesh claim is held.

kayg commented 2026-11-08 20:36:49 +00:00

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Queue update: J379 has reached the front of the compute01 queue, but all four slots remain busy; own waiter 523484 has waited about 42 minutes. /root/j379-root-eight.log still contains only the launcher queue line. No root fixture, mesh claim, or own browser is running. Latest local changes are cargo-fmt output only in takeover_terminals.rs and takeover_check.rs; the feature head remains 69ded4ca7 until consolidation after verification. The final gate and four production screenshots remain outstanding.

Queue update: J379 has reached the front of the compute01 queue, but all four slots remain busy; own waiter 523484 has waited about 42 minutes. /root/j379-root-eight.log still contains only the launcher queue line. No root fixture, mesh claim, or own browser is running. Latest local changes are cargo-fmt output only in takeover_terminals.rs and takeover_check.rs; the feature head remains 69ded4ca7 until consolidation after verification. The final gate and four production screenshots remain outstanding.

kayg commented 2026-11-08 20:41:41 +00:00

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D368 real-root proof is green on compute01: all eight scenarios passed with real shipping shim PTYs and systemd scopes. The old service is a parked fixture executable, and the new-install commit is synthetic; this does not claim live server enrollment. minipc01 remains untouched.

Ran 8 tests in 77.703s

OK
ROOT_PROOF_EXIT=0

Cleanup was checked: temporary infraternal-agent.service and all ten exact fixture scopes report LoadState=not-found; J379 mesh claim is released.

The attached launcher log also records UNIT_EXIT=101: after the root proof, the separate native command omitted Tokio's rt-multi-thread feature and failed to compile existing multi-thread remote tests. The routing test (1 passed) and channel tests (2 passed) preceding it were green. This is an invocation correction, with no source change; quick did not start and remains outstanding.

D368 real-root proof is green on compute01: all eight scenarios passed with real shipping shim PTYs and systemd scopes. The old service is a parked fixture executable, and the new-install commit is synthetic; this does not claim live server enrollment. minipc01 remains untouched. ```text Ran 8 tests in 77.703s OK ROOT_PROOF_EXIT=0 ``` Cleanup was checked: temporary infraternal-agent.service and all ten exact fixture scopes report LoadState=not-found; J379 mesh claim is released. The attached launcher log also records UNIT_EXIT=101: after the root proof, the separate native command omitted Tokio's rt-multi-thread feature and failed to compile existing multi-thread remote tests. The routing test (1 passed) and channel tests (2 passed) preceding it were green. This is an invocation correction, with no source change; quick did not start and remains outstanding.

root-eight.log

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kayg commented 2026-11-08 20:44:01 +00:00

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J379 rebased cleanly to current origin/dev 753fcd6578; WIP head is now 1d98f1bf7f49fc71c811012a92d9f266e5ae1cb6. The real-root proof remains eight passed (attachment in previous comment). Corrected focused remote invocation --features agent,tokio/rt-multi-thread now passes its one outsider-endpoint test; artifact ~/j379-evidence/remote-unit-green.log. Required quick followed by fast is queued on compute01 with raw logs ~/j379-evidence/quick-gate.log and fast-gate.log; fast starts only after quick succeeds. The source snapshot and git metadata are synchronized. Browser source is updated on dev-02; browser run remains pending, with one-slot limit preserved.

J379 rebased cleanly to current origin/dev 753fcd65788a3cb1121d7dd4dc2272b48edc699f; WIP head is now 1d98f1bf7f49fc71c811012a92d9f266e5ae1cb6. The real-root proof remains eight passed (attachment in previous comment). Corrected focused remote invocation --features agent,tokio/rt-multi-thread now passes its one outsider-endpoint test; artifact ~/j379-evidence/remote-unit-green.log. Required quick followed by fast is queued on compute01 with raw logs ~/j379-evidence/quick-gate.log and fast-gate.log; fast starts only after quick succeeds. The source snapshot and git metadata are synchronized. Browser source is updated on dev-02; browser run remains pending, with one-slot limit preserved.

kayg commented 2026-11-08 20:55:53 +00:00

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New consent finding before the final gates: a cached older tracer ignores the new terminal list but can still send the existing generic leftovers challenge. That generic confirmation must not authorize closing terminals the person did not see. I stopped only own queued gate waiter PID 1259876 (launcher exited 143) before changing source. Added a focused regression that attempts the generic challenge on a terminal-bearing offer; red run is ~/j379-evidence/terminal-consent-red.log. The fix will reuse the existing challenge mechanism with a terminal-close-specific challenge in the offer, while the generic challenge refuses; no new API action or foundational dependency is needed. Real-root shell proof is unchanged.

New consent finding before the final gates: a cached older tracer ignores the new terminal list but can still send the existing generic leftovers challenge. That generic confirmation must not authorize closing terminals the person did not see. I stopped only own queued gate waiter PID 1259876 (launcher exited 143) before changing source. Added a focused regression that attempts the generic challenge on a terminal-bearing offer; red run is ~/j379-evidence/terminal-consent-red.log. The fix will reuse the existing challenge mechanism with a terminal-close-specific challenge in the offer, while the generic challenge refuses; no new API action or foundational dependency is needed. Real-root shell proof is unchanged.

kayg commented 2026-11-08 21:00:27 +00:00

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The cached-client consent regression is red/green. Before the fix, submitting the generic leftovers challenge on a 40-terminal offer resumed takeover (the regression failed). After the fix, that challenge refuses without consuming the pending observation, while the explicit close_challenge from the terminal-aware offer resumes it.

test server_enrollment_uses_the_bounded_check_reader_for_long_terminal_lists ... ok

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s

The frontend record tests remain 6 pass / 0 fail and now reject a terminal list without a valid nonzero close_challenge. The production browser fixture now exposes only the terminal-specific challenge as valid, so the browser journey will also detect a forgotten UI override.

WIP head a42e084b8 on base 753fcd657. Quick and fast have been requeued on compute01 after synchronizing the source and git metadata. Root shell behavior is unchanged; its eight-case proof and cleanup evidence remain valid. No mesh claim is held.

The cached-client consent regression is red/green. Before the fix, submitting the generic leftovers challenge on a 40-terminal offer resumed takeover (the regression failed). After the fix, that challenge refuses without consuming the pending observation, while the explicit close_challenge from the terminal-aware offer resumes it. ```text test server_enrollment_uses_the_bounded_check_reader_for_long_terminal_lists ... ok test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s ``` The frontend record tests remain 6 pass / 0 fail and now reject a terminal list without a valid nonzero close_challenge. The production browser fixture now exposes only the terminal-specific challenge as valid, so the browser journey will also detect a forgotten UI override. WIP head a42e084b8 on base 753fcd657. Quick and fast have been requeued on compute01 after synchronizing the source and git metadata. Root shell behavior is unchanged; its eight-case proof and cleanup evidence remain valid. No mesh claim is held.

terminal-consent-red.log

2.5 KiB

terminal-consent-green.log

1.8 KiB

provisioning-consent-unit.log

672 B

root-cleanup.log

733 B

kayg commented 2026-11-08 21:33:48 +00:00

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Quick reached the slot and stopped on an author-owned Rust 1.99 lint: chunks_exact_to_as_chunks at previous_attempt.rs:253. Earlier rows (scope, migration names, Nix vendoring, fmt, doc ratchet, shape lints, diff docs, fixed waits) passed; fast did not start. Raw artifact: ~/j379-evidence/quick-gate.log, copied as control evidence/quick-chunks-red.log. Replaced chunks_exact(2) with as_chunks::<2>().0.iter(), retaining the existing even-length check. Also added the missing root-fixture lifecycle docstrings. WIP head 61e722356, source and metadata synchronized for the rerun. This is our lint failure, not an unrelated red.

Quick reached the slot and stopped on an author-owned Rust 1.99 lint: chunks_exact_to_as_chunks at previous_attempt.rs:253. Earlier rows (scope, migration names, Nix vendoring, fmt, doc ratchet, shape lints, diff docs, fixed waits) passed; fast did not start. Raw artifact: ~/j379-evidence/quick-gate.log, copied as control evidence/quick-chunks-red.log. Replaced chunks_exact(2) with as_chunks::<2>().0.iter(), retaining the existing even-length check. Also added the missing root-fixture lifecycle docstrings. WIP head 61e722356, source and metadata synchronized for the rerun. This is our lint failure, not an unrelated red.

kayg commented 2026-11-08 21:36:20 +00:00

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Upstream #421 has merged. J379 rebased cleanly onto current origin/dev 0a5432d2c1; WIP head ea9ca9ec331413b85f7d4746fde00f62db1378de. The queued gate source and metadata were updated before the slot was granted (launcher still reports waiting). Own gate waiter PID 1944385; logs ~/j379-evidence/gate-launcher.log, quick-gate.log, fast-gate.log. No live mesh claim is held. This base includes both the J376 install-suite fix and the #421 path fix.

Upstream #421 has merged. J379 rebased cleanly onto current origin/dev 0a5432d2c1347c57bf1a6c57e368877599d57587; WIP head ea9ca9ec331413b85f7d4746fde00f62db1378de. The queued gate source and metadata were updated before the slot was granted (launcher still reports waiting). Own gate waiter PID 1944385; logs ~/j379-evidence/gate-launcher.log, quick-gate.log, fast-gate.log. No live mesh claim is held. This base includes both the J376 install-suite fix and the #421 path fix.

kayg commented 2026-11-08 21:49:10 +00:00

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Quick is green on compute01 at ea9ca9ec3, base 0a5432d2c. It passed all listed rows: scope guard, migration names, Nix vendoring, fmt, documentation ratchet, shape lints, diff docs, fixed waits, workspace clippy, changed-package unit tests, UI literals, and tracer typecheck.

QUICK pre-check passed. This is not the gate: run scripts/verify fast before reporting done.
QUICK_EXIT=0

The attached file is the raw quick output. scripts/verify fast has now started in the same target, through the same build slot; its raw output is ~/j379-evidence/fast-gate.log. Browser checks remain pending on dev-02, with no second slot held.

Quick is green on compute01 at ea9ca9ec3, base 0a5432d2c. It passed all listed rows: scope guard, migration names, Nix vendoring, fmt, documentation ratchet, shape lints, diff docs, fixed waits, workspace clippy, changed-package unit tests, UI literals, and tracer typecheck. ```text QUICK pre-check passed. This is not the gate: run scripts/verify fast before reporting done. QUICK_EXIT=0 ``` The attached file is the raw quick output. scripts/verify fast has now started in the same target, through the same build slot; its raw output is ~/j379-evidence/fast-gate.log. Browser checks remain pending on dev-02, with no second slot held.

quick-gate.log

37 KiB

kayg commented 2026-11-08 22:37:43 +00:00

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First fast run reported two server test failures. The D359 rollback test at bootstrap_takeover_tests.rs:192 still asserted that the reviewed record appeared in argv; D368 intentionally moved it to stdin for long lists. Local WIP 099-placeholder replaces that obsolete assertion with exact stdin capture and also exercises a terminal-bearing offer with generic-consent refusal and explicit close consent against the real enrollment backend. Compute01 running source remains ea9ca9ec3 until this run completes. The other failure is breakit2_concurrent_same_destination_issues_only_one_invitation (2 identities versus expected 1); it is not yet classified as unrelated. I will prove it on unmodified dev before doing so. Full fast continues through remaining rows; artifact ~/j379-evidence/fast-gate.log.

First fast run reported two server test failures. The D359 rollback test at bootstrap_takeover_tests.rs:192 still asserted that the reviewed record appeared in argv; D368 intentionally moved it to stdin for long lists. Local WIP 099-placeholder replaces that obsolete assertion with exact stdin capture and also exercises a terminal-bearing offer with generic-consent refusal and explicit close consent against the real enrollment backend. Compute01 running source remains ea9ca9ec3 until this run completes. The other failure is breakit2_concurrent_same_destination_issues_only_one_invitation (2 identities versus expected 1); it is not yet classified as unrelated. I will prove it on unmodified dev before doing so. Full fast continues through remaining rows; artifact ~/j379-evidence/fast-gate.log.

kayg commented 2026-11-08 22:40:03 +00:00

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Correction to the previous progress comment: the new test-only WIP is 3676201578b27741347ed275cf041cafbac06aa6 (the placeholder was accidental). The active compute01 gate remains on ea9ca9ec331413b85f7d4746fde00f62db1378de, based on unmodified dev 0a5432d2c1. Quick passed. Fast has exposed the obsolete argv-binding assertion, now updated locally to assert the exact stdin record and explicit close challenge, plus a concurrent destination reservation assertion whose baseline status still needs proof. No minipc01 access.

Correction to the previous progress comment: the new test-only WIP is 3676201578b27741347ed275cf041cafbac06aa6 (the placeholder was accidental). The active compute01 gate remains on ea9ca9ec331413b85f7d4746fde00f62db1378de, based on unmodified dev 0a5432d2c1347c57bf1a6c57e368877599d57587. Quick passed. Fast has exposed the obsolete argv-binding assertion, now updated locally to assert the exact stdin record and explicit close challenge, plus a concurrent destination reservation assertion whose baseline status still needs proof. No minipc01 access.

kayg commented 2026-11-08 22:57:17 +00:00

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First full fast result on ea9ca9ec331413b85f7d4746fde00f62db1378de: exit 1. Every Rust gate row passed except workspace tests (959 server tests passed, two failed). Both static builds and privileged integration passed. One failure is the obsolete argv-binding assertion, updated in 367620157 to cover explicit terminal consent and the exact stdin record. The concurrent-destination reservation assertion still needs unmodified-dev proof; it is not classified as unrelated yet. Full raw output attached. Browser evidence is next on dev-02; current origin/dev is still 0a5432d2c.

First full fast result on ea9ca9ec331413b85f7d4746fde00f62db1378de: exit 1. Every Rust gate row passed except workspace tests (959 server tests passed, two failed). Both static builds and privileged integration passed. One failure is the obsolete argv-binding assertion, updated in 367620157 to cover explicit terminal consent and the exact stdin record. The concurrent-destination reservation assertion still needs unmodified-dev proof; it is not classified as unrelated yet. Full raw output attached. Browser evidence is next on dev-02; current origin/dev is still 0a5432d2c.

fast-first-red.log

780 KiB

kayg commented 2026-11-08 23:02:37 +00:00

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Production browser checks are queued on dev-02 through the required launcher (J379 launcher PID 617746, ~/j379-evidence/browser-green.log). The launcher reports queue position 8; --status currently shows slot 1 held and slots 2/3 free behind older FIFO waiters. I am preserving queue fairness and the one-held-slot rule. No live-mesh claim is held. The next steps remain the browser evidence, baseline reservation proof, updated recovery test, then final quick/fast and atomic commit.

Production browser checks are queued on dev-02 through the required launcher (J379 launcher PID 617746, ~/j379-evidence/browser-green.log). The launcher reports queue position 8; --status currently shows slot 1 held and slots 2/3 free behind older FIFO waiters. I am preserving queue fairness and the one-held-slot rule. No live-mesh claim is held. The next steps remain the browser evidence, baseline reservation proof, updated recovery test, then final quick/fast and atomic commit.

kayg commented 2026-11-08 23:03:39 +00:00

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Browser queue did not advance: dev-02 status still shows the long-running slot-1 holder with free slots 2/3 behind the older FIFO waiter. I canceled only my queued PID 617746, without touching any other job. Baseline comparison is now queued on compute01 as PID 3372934 (~/j379-evidence/reservation-baseline.log). It checks unmodified 0a5432d2c, then restores 367620157 and runs the updated recovery regression. Browser evidence will be retried afterwards.

Browser queue did not advance: dev-02 status still shows the long-running slot-1 holder with free slots 2/3 behind the older FIFO waiter. I canceled only my queued PID 617746, without touching any other job. Baseline comparison is now queued on compute01 as PID 3372934 (~/j379-evidence/reservation-baseline.log). It checks unmodified 0a5432d2c, then restores 367620157 and runs the updated recovery regression. Browser evidence will be retried afterwards.

kayg commented 2026-11-08 23:23:31 +00:00

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Baseline proof: the concurrent destination assertion also fails on unmodified dev 0a5432d2c1. With cargo test --locked -p infraternal-server --features remote --lib breakit2_concurrent_same_destination_issues_only_one_invitation -- --nocapture, attempts 1–3 selected and passed one test; attempt 4 selected one test and failed at bootstrap_remote.rs:3277 with the same assertion and values: left: 2, right: 1. Exit 101. Attached corrected-run output includes the exact base SHA. An earlier invocation omitted --features remote and selected zero tests; it provides no proof and is excluded from this artifact. The same slot is now running the updated recovery regression on restored feature head 367620157.

Baseline proof: the concurrent destination assertion also fails on unmodified dev 0a5432d2c1347c57bf1a6c57e368877599d57587. With `cargo test --locked -p infraternal-server --features remote --lib breakit2_concurrent_same_destination_issues_only_one_invitation -- --nocapture`, attempts 1–3 selected and passed one test; attempt 4 selected one test and failed at bootstrap_remote.rs:3277 with the same assertion and values: `left: 2`, `right: 1`. Exit 101. Attached corrected-run output includes the exact base SHA. An earlier invocation omitted `--features remote` and selected zero tests; it provides no proof and is excluded from this artifact. The same slot is now running the updated recovery regression on restored feature head 367620157.

reservation-baseline-red.log

9 KiB

kayg commented 2026-11-08 23:24:49 +00:00

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Updated server recovery regression passed on 3676201578b27741347ed275cf041cafbac06aa6 with --features remote: exactly one test selected, one passed. It verifies the listed root/bash terminal, refusal of generic cleanup consent, acceptance of the terminal-close challenge, the exact reviewed stdin record, and the existing rollback token/restoration path. Output attached. Final quick/fast is queued on compute01 (PID 3538869, ~/j379-evidence/gate-launcher.log); no other J379 slot is held or queued.

Browser blocker needing orchestrator inspection: dev-02's launcher FIFO has not advanced for roughly 20 minutes of observation. Read-only status shows slot 1 held by PID 421828 (the command begins /usr/bin/python3 -c import sys; sys.stdout.buffer.write(b'INFRATERNAL_FUZZ_SLOT_), slots 2 and 3 free, and older waiter PID 471771 still first. I canceled my own queued browser PID 617746 and have not signaled or modified any other job. Screenshots remain outstanding and will be retried after this gate; please inspect the queue/holder through the orchestration process.

Updated server recovery regression passed on 3676201578b27741347ed275cf041cafbac06aa6 with `--features remote`: exactly one test selected, one passed. It verifies the listed root/bash terminal, refusal of generic cleanup consent, acceptance of the terminal-close challenge, the exact reviewed stdin record, and the existing rollback token/restoration path. Output attached. Final quick/fast is queued on compute01 (PID 3538869, ~/j379-evidence/gate-launcher.log); no other J379 slot is held or queued. Browser blocker needing orchestrator inspection: dev-02's launcher FIFO has not advanced for roughly 20 minutes of observation. Read-only status shows slot 1 held by PID 421828 (the command begins `/usr/bin/python3 -c import sys; sys.stdout.buffer.write(b'INFRATERNAL_FUZZ_SLOT_`), slots 2 and 3 free, and older waiter PID 471771 still first. I canceled my own queued browser PID 617746 and have not signaled or modified any other job. Screenshots remain outstanding and will be retried after this gate; please inspect the queue/holder through the orchestration process.

updated-recovery-green.log

956 B

kayg commented 2026-11-08 23:48:05 +00:00

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Final quick pre-check passed on 3676201578b27741347ed275cf041cafbac06aa6, current dev base 0a5432d2c1: QUICK_EXIT=0. Full raw output attached. Fast is now running on compute01 in the same target. Dev-02's queue has advanced and slots 2/3 now run work; browser evidence will be retried after this slot releases, keeping the one-held-slot rule.

Final quick pre-check passed on 3676201578b27741347ed275cf041cafbac06aa6, current dev base 0a5432d2c1347c57bf1a6c57e368877599d57587: QUICK_EXIT=0. Full raw output attached. Fast is now running on compute01 in the same target. Dev-02's queue has advanced and slots 2/3 now run work; browser evidence will be retried after this slot releases, keeping the one-held-slot rule.

quick-final-green.log

103 KiB

kayg commented 2026-11-09 00:26:09 +00:00

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Final required gate is green on compute01, feature snapshot 3676201578b27741347ed275cf041cafbac06aa6 (base 0a5432d2c1): QUICK_EXIT=0, FAST_EXIT=0. Full raw fast output attached; quick is attached in the previous comment. The server suite passed 961 tests with 0 failed and 57 ignored, including both the updated recovery regression and the previously reproduced baseline reservation test. Both static images passed: x86_64 28,213,072 bytes; aarch64 25,340,128 bytes. No baseline-red exception is needed for this final result.

Production browser checks are queued again on dev-02 as PID 842618 (~/j379-evidence/browser-green.log), now that its FIFO is moving. Four required confirmation PNGs and their 2× inspection remain outstanding. Source is unchanged; I will consolidate the WIP history into the atomic feature commit after those checks.

Final required gate is green on compute01, feature snapshot 3676201578b27741347ed275cf041cafbac06aa6 (base 0a5432d2c1347c57bf1a6c57e368877599d57587): `QUICK_EXIT=0`, `FAST_EXIT=0`. Full raw fast output attached; quick is attached in the previous comment. The server suite passed 961 tests with 0 failed and 57 ignored, including both the updated recovery regression and the previously reproduced baseline reservation test. Both static images passed: x86_64 28,213,072 bytes; aarch64 25,340,128 bytes. No baseline-red exception is needed for this final result. Production browser checks are queued again on dev-02 as PID 842618 (~/j379-evidence/browser-green.log), now that its FIFO is moving. Four required confirmation PNGs and their 2× inspection remain outstanding. Source is unchanged; I will consolidate the WIP history into the atomic feature commit after those checks.

fast-final-green.log

887 KiB

kayg commented 2026-11-09 00:35:38 +00:00

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J379 implementation finished on local branch takeover-close-terminals-d368, atomic head ee89ae90a3b1eb8b22f691c0029a7f69b3f4172a, based on dev 0a5432d2c1347c57bf1a6c57e368877599d57587 (D368, #404). No push, merge or deploy.

The confirmation is a step in the existing Add host sheet. It says “1 open terminal. Take over closes it.”, lists “root, bash, since 17 Oct 2026”, and offers “Close it and take over”. Back returns to the refusal without sending consent. The scanner authenticates and binds every terminal record, then rechecks immediately before closing exactly those scopes. Other holders still refuse. D359 restoration preserves the install and service after a failure; the warning explains that closed terminals stay closed. Generic cleanup consent cannot close terminals, including from an older cached client.

Evidence:

• scripts/verify quick: exit 0, raw output.
• scripts/verify fast on compute01: exit 0, full raw output. Both static images pass: x86_64 28,213,072 bytes, aarch64 25,340,128 bytes. The gate reports deltas +5,794,816 and +4,886,848 bytes against its stored size baselines; these are not isolated feature deltas.
• Production browser specs on dev-02: 9 passed, exit 0. Log and all four required originals are attached: 1440×900 and 393×852, ink and paper. I inspected all four at 2× for clipping/alignment; the terminal row and both actions are visible. Owner visual review remains the owner's call.
• Real-root VM proof: eight scenarios passed with real shipping shim PTYs and systemd scopes, including new/changed terminals, foreground changes, other-account holders, and failure after close. The fixture uses a parked daemon and a synthetic final commit; it does not prove a complete live-server enrollment. Cleanup evidence records the owned scopes/unit removed and claim released.
• The first fast run's reservation failure was reproduced on unmodified dev. The final fast run is fully green and needs no red exception.

The final commit changes history only from verified WIP 3676201578b27741347ed275cf041cafbac06aa6: both have tree 1270052a4c04307d894bc163e18b40d61eb7861b, and git diff 367620157 HEAD is empty. Full evidence remains under /home/kayg/.cache/codex-scratch/j379/evidence and ~/j379-evidence on the VMs. minipc01 was never accessed or changed.

Verbatim Rust summary from scripts/verify fast:

+---------------------------+--------------+
| Rust gate                 | Result       |
+---------------------------+--------------+
| Nix Cargo vendoring       | PASS         |
| fmt                       | PASS         |
| migration names           | PASS         |
| migration tooling tests   | PASS         |
| VT native fmt             | PASS         |
| CLI plugin compile-out    | PASS         |
| clippy                    | PASS         |
| SSH runtime test helper   | PASS         |
| real-binary fixture paths | PASS         |
| Traefik component manifest | PASS         |
| release component publication | PASS         |
| test                      | PASS         |
| SSH inode reuse fixture   | PASS         |
| shim process-per-user     | PASS         |
| cargo-deny                | PASS         |
| gate architecture         | PASS         |
| doc coverage ratchet      | PASS         |
| shape lints off (D351)    | PASS         |
| doc comments on diff      | PASS         |
| fixed test waits          | PASS         |
| privileged integration    | PASS         |
| probe release exclusion   | PASS         |
| nightly fuzz reporter     | PASS         |
| static builds             | PASS         |
+---------------------------+--------------+

Verbatim final frontend test block:

 50 pass
 0 fail
 77253 expect() calls
Ran 50 tests across 13 files. [9.72s]

Launcher result, verbatim:

QUICK_EXIT=0
FAST_EXIT=0

J379 implementation finished on local branch `takeover-close-terminals-d368`, atomic head `ee89ae90a3b1eb8b22f691c0029a7f69b3f4172a`, based on dev `0a5432d2c1347c57bf1a6c57e368877599d57587` (D368, #404). No push, merge or deploy. The confirmation is a step in the existing Add host sheet. It says **“1 open terminal. Take over closes it.”**, lists **“root, bash, since 17 Oct 2026”**, and offers **“Close it and take over”**. Back returns to the refusal without sending consent. The scanner authenticates and binds every terminal record, then rechecks immediately before closing exactly those scopes. Other holders still refuse. D359 restoration preserves the install and service after a failure; the warning explains that closed terminals stay closed. Generic cleanup consent cannot close terminals, including from an older cached client. Evidence: - `scripts/verify quick`: exit 0, [raw output](https://git.kayg.org/attachments/4422b544-1cc6-4d9b-84df-52aae4a387e9). - `scripts/verify fast` on compute01: exit 0, [full raw output](https://git.kayg.org/attachments/b001c363-16a5-48a6-842d-71c6c7826196). Both static images pass: x86_64 28,213,072 bytes, aarch64 25,340,128 bytes. The gate reports deltas +5,794,816 and +4,886,848 bytes against its stored size baselines; these are not isolated feature deltas. - Production browser specs on dev-02: **9 passed**, exit 0. Log and all four required originals are attached: 1440×900 and 393×852, ink and paper. I inspected all four at 2× for clipping/alignment; the terminal row and both actions are visible. Owner visual review remains the owner's call. - [Real-root VM proof](https://git.kayg.org/kayg/infraternal/issues/433#issuecomment-87597): eight scenarios passed with real shipping shim PTYs and systemd scopes, including new/changed terminals, foreground changes, other-account holders, and failure after close. The fixture uses a parked daemon and a synthetic final commit; it does not prove a complete live-server enrollment. [Cleanup evidence](https://git.kayg.org/kayg/infraternal/issues/433#issuecomment-87627) records the owned scopes/unit removed and claim released. - The first fast run's reservation failure was [reproduced on unmodified dev](https://git.kayg.org/kayg/infraternal/issues/433#issuecomment-87864). The final fast run is fully green and needs no red exception. The final commit changes history only from verified WIP `3676201578b27741347ed275cf041cafbac06aa6`: both have tree `1270052a4c04307d894bc163e18b40d61eb7861b`, and `git diff 367620157 HEAD` is empty. Full evidence remains under `/home/kayg/.cache/codex-scratch/j379/evidence` and `~/j379-evidence` on the VMs. minipc01 was never accessed or changed. Verbatim Rust summary from `scripts/verify fast`: ```text +---------------------------+--------------+ | Rust gate | Result | +---------------------------+--------------+ | Nix Cargo vendoring | PASS | | fmt | PASS | | migration names | PASS | | migration tooling tests | PASS | | VT native fmt | PASS | | CLI plugin compile-out | PASS | | clippy | PASS | | SSH runtime test helper | PASS | | real-binary fixture paths | PASS | | Traefik component manifest | PASS | | release component publication | PASS | | test | PASS | | SSH inode reuse fixture | PASS | | shim process-per-user | PASS | | cargo-deny | PASS | | gate architecture | PASS | | doc coverage ratchet | PASS | | shape lints off (D351) | PASS | | doc comments on diff | PASS | | fixed test waits | PASS | | privileged integration | PASS | | probe release exclusion | PASS | | nightly fuzz reporter | PASS | | static builds | PASS | +---------------------------+--------------+ ``` Verbatim final frontend test block: ```text 50 pass 0 fail 77253 expect() calls Ran 50 tests across 13 files. [9.72s] ``` Launcher result, verbatim: ```text QUICK_EXIT=0 FAST_EXIT=0 ```

terminals-ink-1440.png

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terminals-ink-393.png

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terminals-paper-1440.png

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terminals-paper-393.png

90 KiB

browser-green.log

4.3 KiB

kayg commented 2026-11-09 00:36:58 +00:00

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Cleanup complete for final head ee89ae90a3. The owned compute01, dev-02 and root targets are absent. No mesh claim is held and the process sweep found no J379 launchers, servers or browsers. Evidence is preserved; cleanup log attached. Local worktree is clean. No push, merge or deploy; minipc01 untouched. The final gate summary, raw output links and four production screenshots are in the finish comment above. Issue remains open for owner review.

Cleanup complete for final head ee89ae90a3b1eb8b22f691c0029a7f69b3f4172a. The owned compute01, dev-02 and root targets are absent. No mesh claim is held and the process sweep found no J379 launchers, servers or browsers. Evidence is preserved; cleanup log attached. Local worktree is clean. No push, merge or deploy; minipc01 untouched. The final gate summary, raw output links and four production screenshots are in the finish comment above. Issue remains open for owner review.

final-cleanup.log

75 B

kayg commented 2026-11-09 00:41:18 +00:00

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J402 review start (independent correctness review of D368).

• Target: takeover-close-terminals-d368 @ ee89ae90a3b1eb8b22f691c0029a7f69b3f4172a (base 0a5432d2c).
• Review worktree: ~/Developer/Worktrees/infraternal-j402 on code (detached at the target), scratch merge with origin/dev 44e80ccc5 for gates.
• Plan: (1) read diff: record authentication, consent matching, scope selection, non-terminal holders, D359 rollback, check-channel limit for 40+ terminals, UI vs TASTE (~45 min); (2) real e2e on compute01 with the J381/J395 guest rig: server A adds guest as root + opens terminal, A stopped for good, server B Add host → Take over listing the terminal, confirm, new terminal on B; repeat with a terminal opened between offer and confirm (~2 h); (3) verify quick + fast on the merge, production screenshots at 1440×900 and 393×852 (~1 h).
• minipc01 not touched. No merge, no deploy.

J402 review start (independent correctness review of D368). - Target: `takeover-close-terminals-d368` @ `ee89ae90a3b1eb8b22f691c0029a7f69b3f4172a` (base 0a5432d2c). - Review worktree: `~/Developer/Worktrees/infraternal-j402` on code (detached at the target), scratch merge with origin/dev `44e80ccc5` for gates. - Plan: (1) read diff: record authentication, consent matching, scope selection, non-terminal holders, D359 rollback, check-channel limit for 40+ terminals, UI vs TASTE (~45 min); (2) real e2e on compute01 with the J381/J395 guest rig: server A adds guest as root + opens terminal, A stopped for good, server B Add host → Take over listing the terminal, confirm, new terminal on B; repeat with a terminal opened between offer and confirm (~2 h); (3) verify quick + fast on the merge, production screenshots at 1440×900 and 393×852 (~1 h). - minipc01 not touched. No merge, no deploy.

kayg commented 2026-11-09 01:28:36 +00:00

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J402 finding P1: Take over is still refused for a terminal opened by the current product. D368 covers only the legacy scope layout.

Real e2e on compute01, on a disposable overlay of the J311b AlmaLinux image (/root/j402-vm/s1.qcow2; SELinux set to permissive at runtime on the overlay only, because #401's fix isn't on this branch). Both servers and the payload are built from the scratch merge fc57d1175 = ee89ae90a + origin/dev 44e80ccc5.

1. Throwaway server A (127.0.0.1:47402) added root@guest and opened a terminal (echo j402-s1-a1-19129 root landed in the guest file).
2. A was stopped for good. Its install and the live terminal stayed on the guest.
3. Fresh server B (:47406) ran Add host on the same guest. The result was not a Take over offer. The row shows "127.0.0.1 is set up elsewhere", fix "Install from the host", and server B logs failure_kind="unrecognized-install" step="connect".

Cause: the terminal that A's agent opened is a host-login terminal. Its shim (/var/lib/infraternal/bin/live __shim --session be7f7cec…) runs in logind's /user.slice/user-0.slice/session-8.scope, beside the infraternal-login-d75bed57…-0.service worker that runs -bash. No infraternal-session-*.scope unit exists at all. takeover_terminals::scope() (takeover_terminals.rs:89–110) requires an infraternal-session-<id>.scope path component, so the helper refuses the whole offer. Running the shipped helper directly on the guest:

8
takeover_terminals_exit=73
1                      <- sessions-count: one live terminal
0::/user.slice/user-0.slice/session-8.scope    <- the shim's cgroup
 8    0 root - 2669 user-early    ...           <- logind session of the login worker

In code: daemon.rs:576 sends every person-opened terminal through sessions::launch_with_login. Manager::for_shim(…, login=true) gives Detached (sessions.rs:120), so systemd-run --scope --unit infraternal-session-<id> is never used, and the shim is placed in the login's cgroup. Only the pre-host-login layout (minipc01's 17 Oct infraternal-session-d2f8649c….scope) matches. J379's root proof built its own infraternal-session-*.scope units around a real shim, so it never went through this placement.

Effect: minipc01 may well pass, but any install from a current build that has one terminal open stays "busy" with no way forward. That is the exact situation D368 was meant to end. Closing it needs a design for login terminals: authenticate the shim, then end exactly its logind session or the login worker unit, and keep refusing other members of that logind session. This is the kind of redesign PROCESS asks for before another patch round.

Evidence on compute01 under ~/.cache/codex-scratch/j402/evidence/s1/: run.txt, snap-after-A-stop.txt, helper-manual.txt, server-B.log, flow-B-takeover-b1.log. Guest snapshot excerpt attached.

**J402 finding P1: Take over is still refused for a terminal opened by the current product. D368 covers only the legacy scope layout.** Real e2e on compute01, on a disposable overlay of the J311b AlmaLinux image (`/root/j402-vm/s1.qcow2`; SELinux set to **permissive** at runtime on the overlay only, because #401's fix isn't on this branch). Both servers and the payload are built from the scratch merge `fc57d1175` = `ee89ae90a` + origin/dev `44e80ccc5`. 1. Throwaway server A (`127.0.0.1:47402`) added `root@guest` and opened a terminal (`echo j402-s1-a1-19129 root` landed in the guest file). 2. A was stopped for good. Its install and the live terminal stayed on the guest. 3. Fresh server B (`:47406`) ran Add host on the same guest. The result was **not** a Take over offer. The row shows `"127.0.0.1 is set up elsewhere"`, fix `"Install from the host"`, and server B logs `failure_kind="unrecognized-install" step="connect"`. Cause: the terminal that A's agent opened is a **host-login** terminal. Its shim (`/var/lib/infraternal/bin/live __shim --session be7f7cec…`) runs in logind's `/user.slice/user-0.slice/session-8.scope`, beside the `infraternal-login-d75bed57…-0.service` worker that runs `-bash`. No `infraternal-session-*.scope` unit exists at all. `takeover_terminals::scope()` (takeover_terminals.rs:89–110) requires an `infraternal-session-<id>.scope` path component, so the helper refuses the whole offer. Running the shipped helper directly on the guest: ```text 8 takeover_terminals_exit=73 1 <- sessions-count: one live terminal 0::/user.slice/user-0.slice/session-8.scope <- the shim's cgroup 8 0 root - 2669 user-early ... <- logind session of the login worker ``` In code: `daemon.rs:576` sends every person-opened terminal through `sessions::launch_with_login`. `Manager::for_shim(…, login=true)` gives `Detached` (sessions.rs:120), so `systemd-run --scope --unit infraternal-session-<id>` is never used, and the shim is placed in the login's cgroup. Only the pre-host-login layout (minipc01's 17 Oct `infraternal-session-d2f8649c….scope`) matches. J379's root proof built its own `infraternal-session-*.scope` units around a real shim, so it never went through this placement. Effect: minipc01 may well pass, but any install from a current build that has one terminal open stays "busy" with no way forward. That is the exact situation D368 was meant to end. Closing it needs a design for login terminals: authenticate the shim, then end exactly its logind session or the login worker unit, and keep refusing other members of that logind session. This is the kind of redesign PROCESS asks for before another patch round. Evidence on compute01 under `~/.cache/codex-scratch/j402/evidence/s1/`: `run.txt`, `snap-after-A-stop.txt`, `helper-manual.txt`, `server-B.log`, `flow-B-takeover-b1.log`. Guest snapshot excerpt attached.

j402-p1-evidence.txt

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kayg commented 2026-11-09 01:37:12 +00:00

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J402 finding P2: the busy refusal says things that aren't true when it appears. (TASTE "Messages say what happens, in plain words")

Real e2e rerun on a fresh overlay (s1c), same builds as the P1 above. Server B's Add host ends on the attached refusal (production web build, 1440×900 and 393×852):

This machine has an infraternal agent from an earlier setup, and a program is still using it outside the terminal sessions it can safely identify. The old install is kept, but any terminals you confirmed closed stay closed. Stop that program, then try again.

• The person confirmed nothing, and nothing was closed. TAKEOVER_BUSY (previous_attempt.rs:394) is used by every 73. That covers the read-only check, the 73 from holders_beside_agent after the agent stops but before any scope stops, and the post-close scan. Only that last case has closed terminals. The sentence about closed terminals belongs only on the post-close refusal.
• Here the "program" is the person's own idle root shell. "Outside the terminal sessions it can safely identify" is internal wording, and "Stop that program" points at nothing the person can find.
• The same applies to the 75 message ("…changed since you reviewed them… Terminals you confirmed closed stay closed."). Every exit 75 in take_over_finished_install happens before $manager stop: the pre-stop record comparison and the post-agent-stop recomputation. So a 75 has never closed a terminal, yet the message says one stayed closed.

Suggested fix: two messages for 73. Before any close, say what is in use and that nothing changed. After the close, say the terminals are closed and the install was put back. Drop the closed-terminals sentence from 75 entirely.

**J402 finding P2: the busy refusal says things that aren't true when it appears.** (TASTE "Messages say what happens, in plain words") Real e2e rerun on a fresh overlay (s1c), same builds as the P1 above. Server B's Add host ends on the attached refusal (production web build, 1440×900 and 393×852): > This machine has an infraternal agent from an earlier setup, and a program is still using it outside the terminal sessions it can safely identify. The old install is kept, but any terminals you confirmed closed stay closed. Stop that program, then try again. - The person confirmed nothing, and nothing was closed. `TAKEOVER_BUSY` (previous_attempt.rs:394) is used by every 73. That covers the read-only check, the 73 from `holders_beside_agent` after the agent stops but before any scope stops, and the post-close scan. Only that last case has closed terminals. The sentence about closed terminals belongs only on the post-close refusal. - Here the "program" is the person's own idle root shell. "Outside the terminal sessions it can safely identify" is internal wording, and "Stop that program" points at nothing the person can find. - The same applies to the 75 message ("…changed since you reviewed them… Terminals you confirmed closed stay closed."). Every `exit 75` in `take_over_finished_install` happens **before** `$manager stop`: the pre-stop record comparison and the post-agent-stop recomputation. So a 75 has never closed a terminal, yet the message says one stayed closed. Suggested fix: two messages for 73. Before any close, say what is in use and that nothing changed. After the close, say the terminals are closed and the install was put back. Drop the closed-terminals sentence from 75 entirely.

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8-refusal-393x852.png

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kayg commented 2026-11-09 03:25:45 +00:00

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J402 progress. These are gate results on the scratch merge fc57d1175, which is ee89ae90a merged with origin/dev 44e80ccc5. Quick's base was the local origin/dev 6b60f1fb7.

QUICK pre-check passed. This is not the gate: run scripts/verify fast before reporting done.
QUICK_EXIT=0
...
| static builds             | PASS         |
x86_64-unknown-linux-musl: +102400 bytes accepted with delta; ... PASS
aarch64-unknown-linux-musl: +102400 bytes accepted with delta; ... PASS
FAST_EXIT=0

Every Rust gate row passed, and the TypeScript protocol tests show 50 pass, 0 fail. Logs: compute01 ~/.cache/codex-scratch/j402/evidence/{quick,fast}.log.

Next: a real e2e on the layout D368 targets. Server A comes from dev 432f2e788, the last dev commit before host-login terminals (947ce2870, 2026-11-01), so its terminals live in infraternal-session-<id>.scope as on minipc01. Server B comes from the branch merge. That legacy build is queued on compute01 at position 8.

J402 progress. These are gate results on the scratch merge `fc57d1175`, which is `ee89ae90a` merged with origin/dev `44e80ccc5`. Quick's base was the local origin/dev `6b60f1fb7`. ```text QUICK pre-check passed. This is not the gate: run scripts/verify fast before reporting done. QUICK_EXIT=0 ... | static builds | PASS | x86_64-unknown-linux-musl: +102400 bytes accepted with delta; ... PASS aarch64-unknown-linux-musl: +102400 bytes accepted with delta; ... PASS FAST_EXIT=0 ``` Every Rust gate row passed, and the TypeScript protocol tests show 50 pass, 0 fail. Logs: compute01 `~/.cache/codex-scratch/j402/evidence/{quick,fast}.log`. Next: a real e2e on the layout D368 targets. Server A comes from dev `432f2e788`, the last dev commit before host-login terminals (947ce2870, 2026-11-01), so its terminals live in `infraternal-session-<id>.scope` as on minipc01. Server B comes from the branch merge. That legacy build is queued on compute01 at position 8.

kayg commented 2026-11-09 05:04:12 +00:00

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J402 review: REQUEST CHANGES

Reviewed SHA ee89ae90a3b1eb8b22f691c0029a7f69b3f4172a. Gates and e2e ran on the scratch merge fc57d1175, which is ee89ae90a merged with origin/dev 44e80ccc5 with no conflicts.

Findings

• P1. Terminals opened by the current product never qualify. Every terminal a person opens on a root install now goes through host login (daemon.rs:576 → launch_with_login, Manager::for_shim → Detached). Its shim ends up in logind's session-N.scope, not infraternal-session-<id>.scope. takeover_terminals::scope() therefore exits 73 and Take over stays "busy". This was reproduced for real twice (s1, s1c): the refusal appears with no offer. Details are in comment 88088. minipc01's pre-11-01 infraternal-session-* scope may still pass. J379's root proof built its own scopes, so it never went through the product's placement. A fix needs a design for login terminals, not another patch.
• P2. The refusal wording claims things that didn't happen. TAKEOVER_BUSY says "terminals you confirmed closed stay closed" even on the check-time refusal, and it calls the person's own shell "a program … outside the terminal sessions it can safely identify". Every exit 75 happens before $manager stop, yet its message says closed terminals stay closed. Seen for real in s1c and s5-hybrid. Details are in comment 88100.
• P3-1. The confirmation names only the foreground program. Background or nohup processes in the same scope are stopped without being listed. The fingerprint binds them, so this is a display gap, not a race.
• P3-2. With many terminals, the rows are identical and can't be told apart. 41 rows all read "root, bash, since 9 Nov 2026" (screenshot attached). Consider grouping identical rows or adding a distinguishing detail.
• P3-3. No test drives the product's real terminal spawn path into a Take over. Such a test would have caught P1. Add it alongside the P1 fix.

What holds (checked in code, and for real where the table says so)

• Consent: the server keeps the reviewed record and sends it over stdin. The host compares it as an exact string before anything changes, and again after the old agent stops, before any scope stops. close_challenge is separate from the generic leftovers challenge, which is set to nil for terminal offers. A terminal opened between offer and confirm is refused with 75, and nothing is closed (real run, s5-hybrid).
• Only the install's own scopes close: a record counts only if its peer is root, its socket is in the install's sessions dir, its Hello session id matches, and its cgroup path contains that exact scope name. The stop uses that canonical id. A same-named scope under another manager makes the stop fail, which leads to 73 and the install being put back.
• Non-terminal holders: the offer scan and the post-close scan now cover all accounts (takeover/takeover-all). I checked this in code only. J379's root fixture covers it at runtime.
• Failure after the close: the EXIT trap runs put_back_taken_over. I checked this in code only. J379's root fixture covers it at runtime.
• Line limit: 41 real terminals were listed, confirmed and closed end to end (h41).
• UI: the confirmation is a step in the existing sheet, built from the shared key/value list. Back and the primary action sit in the footer, and insets are even. At 393×852 the list scrolls and the footer stays pinned. Back sends nothing: after Back, the scope was still active.

Real e2e (compute01, J311b AlmaLinux overlay per run, SELinux set permissive at runtime on the overlay, servers on loopback)

"Hybrid" means: server A (branch build) finished its install and its host-login terminal was closed by hand. Then terminals were started the way the pre-host-login agent started them (systemd-run --scope --unit infraternal-session-<id> /var/lib/infraternal/bin/live __shim …). A was stopped for good, and B is the real branch server driven through the browser. A real legacy server A from dev 432f2e788 (before host login) was tried. Its install fails on this guest (install step exits 73, server-A.log), so it can't produce a minipc01-shaped install.

Run	Old install's terminal	B offers Take over	Back closes nothing	Confirm	B terminal works	Result
s1, s1c (product as built)	1 host-login terminal (session-8.scope)	no: "set up elsewhere", helper exit 73	n/a	n/a	n/a	FAIL (P1)
s1-hybrid	1 scope terminal	yes: "1 open terminal. Take over closes it." / "root, bash, since 9 Nov 2026" / "Close it and take over"	yes (scope active after Back)	scope closed, owner 42bf… → a5e9…	yes (nonce echoed)	PASS
s5-hybrid	1 scope terminal, plus a 2nd opened between offer and confirm	yes (lists 1)	n/a	refused, exit 75; both terminals, the old owner and the agent all kept	n/a	PASS (wording: P2)
h41-hybrid	41 scope terminals	yes, "41 open terminals"	yes (41 active after Back)	all 41 closed, Take over done	yes	PASS
legacy A (432f2e788)	n/a	n/a	n/a	n/a	n/a	not usable (old install never finishes here)

Screenshots (production web build, attached): offer and confirmation at 1440×900 and 393×852 (s1-hybrid), the s5 refusal, and the 41-terminal confirmation at 393×852. Raw logs and snapshots are on code under ~/.cache/codex-scratch/j402/evidence/ and on compute01 under ~/.cache/codex-scratch/j402/evidence/.

Gates (scratch merge fc57d1175, compute01)

QUICK pre-check passed. This is not the gate: run scripts/verify fast before reporting done.
QUICK_EXIT=0
| static builds             | PASS         |
x86_64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS
aarch64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS
 50 pass
 0 fail
FAST_EXIT=0

All 24 Rust gate rows passed (table attached). Cleanup: guest overlays, servers, leftover shims, the 54G target and both worktrees are removed. No mesh claim was taken. minipc01 was not touched. Nothing was merged or deployed.

## J402 review: REQUEST CHANGES Reviewed SHA `ee89ae90a3b1eb8b22f691c0029a7f69b3f4172a`. Gates and e2e ran on the scratch merge `fc57d1175`, which is `ee89ae90a` merged with origin/dev `44e80ccc5` with no conflicts. ### Findings - **P1. Terminals opened by the current product never qualify.** Every terminal a person opens on a root install now goes through host login (`daemon.rs:576` → `launch_with_login`, `Manager::for_shim` → `Detached`). Its shim ends up in logind's `session-N.scope`, not `infraternal-session-<id>.scope`. `takeover_terminals::scope()` therefore exits 73 and Take over stays "busy". This was reproduced for real twice (s1, s1c): the refusal appears with no offer. Details are in [comment 88088](https://git.kayg.org/kayg/infraternal/issues/433#issuecomment-88088). minipc01's pre-11-01 `infraternal-session-*` scope may still pass. J379's root proof built its own scopes, so it never went through the product's placement. A fix needs a design for login terminals, not another patch. - **P2. The refusal wording claims things that didn't happen.** `TAKEOVER_BUSY` says "terminals you confirmed closed stay closed" even on the check-time refusal, and it calls the person's own shell "a program … outside the terminal sessions it can safely identify". Every `exit 75` happens before `$manager stop`, yet its message says closed terminals stay closed. Seen for real in s1c and s5-hybrid. Details are in [comment 88100](https://git.kayg.org/kayg/infraternal/issues/433#issuecomment-88100). - **P3-1.** The confirmation names only the foreground program. Background or `nohup` processes in the same scope are stopped without being listed. The fingerprint binds them, so this is a display gap, not a race. - **P3-2.** With many terminals, the rows are identical and can't be told apart. 41 rows all read "root, bash, since 9 Nov 2026" (screenshot attached). Consider grouping identical rows or adding a distinguishing detail. - **P3-3.** No test drives the product's real terminal spawn path into a Take over. Such a test would have caught P1. Add it alongside the P1 fix. ### What holds (checked in code, and for real where the table says so) - **Consent:** the server keeps the reviewed record and sends it over stdin. The host compares it as an exact string before anything changes, and again after the old agent stops, before any scope stops. `close_challenge` is separate from the generic leftovers challenge, which is set to nil for terminal offers. A terminal opened between offer and confirm is refused with 75, and nothing is closed (real run, s5-hybrid). - **Only the install's own scopes close:** a record counts only if its peer is root, its socket is in the install's `sessions` dir, its Hello session id matches, and its cgroup path contains that exact scope name. The stop uses that canonical id. A same-named scope under another manager makes the stop fail, which leads to 73 and the install being put back. - **Non-terminal holders:** the offer scan and the post-close scan now cover all accounts (`takeover`/`takeover-all`). I checked this in code only. J379's root fixture covers it at runtime. - **Failure after the close:** the EXIT trap runs `put_back_taken_over`. I checked this in code only. J379's root fixture covers it at runtime. - **Line limit:** 41 real terminals were listed, confirmed and closed end to end (h41). - **UI:** the confirmation is a step in the existing sheet, built from the shared key/value list. Back and the primary action sit in the footer, and insets are even. At 393×852 the list scrolls and the footer stays pinned. Back sends nothing: after Back, the scope was still active. ### Real e2e (compute01, J311b AlmaLinux overlay per run, **SELinux set permissive at runtime on the overlay**, servers on loopback) "Hybrid" means: server A (branch build) finished its install and its host-login terminal was closed by hand. Then terminals were started the way the pre-host-login agent started them (`systemd-run --scope --unit infraternal-session-<id> /var/lib/infraternal/bin/live __shim …`). A was stopped for good, and B is the real branch server driven through the browser. A real legacy server A from dev `432f2e788` (before host login) was tried. Its install fails on this guest (install step exits 73, `server-A.log`), so it can't produce a minipc01-shaped install. | Run | Old install's terminal | B offers Take over | Back closes nothing | Confirm | B terminal works | Result | |---|---|---|---|---|---|---| | s1, s1c (product as built) | 1 host-login terminal (`session-8.scope`) | **no**: "set up elsewhere", helper exit 73 | n/a | n/a | n/a | **FAIL (P1)** | | s1-hybrid | 1 scope terminal | yes: "1 open terminal. Take over closes it." / "root, bash, since 9 Nov 2026" / "Close it and take over" | yes (scope active after Back) | scope closed, owner `42bf…` → `a5e9…` | yes (nonce echoed) | PASS | | s5-hybrid | 1 scope terminal, plus a 2nd opened between offer and confirm | yes (lists 1) | n/a | **refused, exit 75**; both terminals, the old owner and the agent all kept | n/a | PASS (wording: P2) | | h41-hybrid | 41 scope terminals | yes, "41 open terminals" | yes (41 active after Back) | all 41 closed, Take over done | yes | PASS | | legacy A (432f2e788) | n/a | n/a | n/a | n/a | n/a | not usable (old install never finishes here) | Screenshots (production web build, attached): offer and confirmation at 1440×900 and 393×852 (s1-hybrid), the s5 refusal, and the 41-terminal confirmation at 393×852. Raw logs and snapshots are on code under `~/.cache/codex-scratch/j402/evidence/` and on compute01 under `~/.cache/codex-scratch/j402/evidence/`. ### Gates (scratch merge `fc57d1175`, compute01) ```text QUICK pre-check passed. This is not the gate: run scripts/verify fast before reporting done. QUICK_EXIT=0 | static builds | PASS | x86_64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS aarch64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS 50 pass 0 fail FAST_EXIT=0 ``` All 24 Rust gate rows passed (table attached). Cleanup: guest overlays, servers, leftover shims, the 54G target and both worktrees are removed. No mesh claim was taken. minipc01 was not touched. Nothing was merged or deployed.

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kayg referenced this issue 2026-11-09 06:02:08 +00:00

Add-host: a failed install leaves a bootstrap lock that blocks every re-add forever #305

kayg commented 2026-11-09 06:02:11 +00:00

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J379c start (Claude Opus 5.5, successor to J379 after Codex hit its limit)

Branch takeover-close-terminals-d368, base ee89ae90a, merged origin/dev 411b49aa8 (brings the SELinux fix 6b60f1fb7).

Plan (est. ~5 h, mostly build-slot queue and the guest e2e):

1. Red first: unit tests for a pure terminal classifier covering both layouts (old infraternal-session-<id>.scope, and host-login session-N.scope), plus server-side record parser tests for the new fields.
2. P1: identify terminals by their shim. A record is accepted when the socket peer is a root shim whose exe is under the install's base and whose Hello matches its socket under sessions/. The close boundary is either the old scope, or the logind session scope whose LEADER (from /run/systemd/sessions/N) is the infraternal login worker (exe in the root-owned login image dir, __shim --login-worker, started by the system manager, same scope). Every member of a login scope must descend from that worker or from one of this install's authenticated shims, and every terminal tty in it must map to one of those shims (via ptmx tty-index). Otherwise 73. An ssh or console login (leader sshd or login) never qualifies. Closing stops the reviewed scope units (session-N.scope or infraternal-session-<id>.scope).
3. P2: separate refusal texts: busy before anything was closed, busy after terminals were closed (install put back), and a 75 that says nothing was closed.
4. P3-1/P3-2: each record also carries the tty and the count of other programs on that terminal; rows read e.g. "root, bash on pts/3, and 2 other programs, since 9 Nov 2026, 14:05".
5. P3-3: real e2e on compute01's guest rig (J402 pattern): A adds a guest as root, opens a product terminal, stops; B offers Take over listing it; confirm closes it, a new terminal works; a terminal opened between offer and confirm refuses. Old layout covered by the root fixture.
6. verify quick, then verify fast on compute01, quoted.

**J379c start** (Claude Opus 5.5, successor to J379 after Codex hit its limit) Branch `takeover-close-terminals-d368`, base `ee89ae90a`, merged origin/dev `411b49aa8` (brings the SELinux fix 6b60f1fb7). Plan (est. ~5 h, mostly build-slot queue and the guest e2e): 1. Red first: unit tests for a pure terminal classifier covering both layouts (old `infraternal-session-<id>.scope`, and host-login `session-N.scope`), plus server-side record parser tests for the new fields. 2. P1: identify terminals by their shim. A record is accepted when the socket peer is a root shim whose exe is under the install's base and whose Hello matches its socket under `sessions/`. The close boundary is either the old scope, or the logind session scope whose LEADER (from `/run/systemd/sessions/N`) is the infraternal login worker (exe in the root-owned login image dir, `__shim --login-worker`, started by the system manager, same scope). Every member of a login scope must descend from that worker or from one of this install's authenticated shims, and every terminal tty in it must map to one of those shims (via ptmx `tty-index`). Otherwise 73. An ssh or console login (leader sshd or login) never qualifies. Closing stops the reviewed scope units (`session-N.scope` or `infraternal-session-<id>.scope`). 3. P2: separate refusal texts: busy before anything was closed, busy after terminals were closed (install put back), and a 75 that says nothing was closed. 4. P3-1/P3-2: each record also carries the tty and the count of other programs on that terminal; rows read e.g. "root, bash on pts/3, and 2 other programs, since 9 Nov 2026, 14:05". 5. P3-3: real e2e on compute01's guest rig (J402 pattern): A adds a guest as root, opens a product terminal, stops; B offers Take over listing it; confirm closes it, a new terminal works; a terminal opened between offer and confirm refuses. Old layout covered by the root fixture. 6. `verify quick`, then `verify fast` on compute01, quoted.

kayg referenced this issue 2026-11-09 06:02:23 +00:00

Add-host: a failed install leaves a bootstrap lock that blocks every re-add forever #305

kayg commented 2026-11-09 06:02:23 +00:00

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Overlap between #305 (D337, J205c) and #433 (D368, J379c). Posted on both issues.

I compared takeover-proof-305-j205 (8d57c453c) with takeover-close-terminals-d368 (ee89ae90a) using git merge-tree. They conflict in 3 files:

File	#305 adds	#433 adds
crates/plugins/remote/src/runtime_lock.rs	helper LEVEL 8 = the issuer pin in enrolled	helper LEVEL 8 = takeover-terminals records
crates/plugins/ssh/src/bootstrap.rs	PendingFresh { challenge, takeover, resume }, where takeover is the D337 passkey-ticket proof	PendingFresh { challenge, resume }, with challenge replaced by the terminal-close confirmation
apps/tracer/src/canvas/addhost/wizard.ts	startFresh(job, takeover?: TakeoverTicket)	startFresh(job, confirmation?: string)

Both also edit previous_attempt.{rs,sh}, install.rs, model.rs and previous_attempt_shell.py. Those merge cleanly, but in the same area: the finished-install takeover set up by J315/D359.

The scope overlap is real, but small. Both decisions handle "a finished install from another server still has open terminals".

• D337 (#305) keeps the terminals. The old server must sign a proof from its archive, and a passkey confirms. The new install inherits the session directory.
• D368 (#433) closes them, after a confirmation that lists each one. That covers the case where the old server is gone.

Proposed split:

1. #305 owns the proof-bound live takeover: the challenge, takeover-proof, the passkey ticket, the audit and session inheritance. #433 owns the close-after-confirmation path and its takeover-terminals helper mode.
2. Helper level: whichever branch merges second takes level 9 for its own addition and rebases. The levels are additive, and neither one depends on the other.
3. start-fresh: the second branch keeps both fields, PendingFresh { challenge, takeover, resume }, with D368's confirmation feeding challenge. On the client it becomes startFresh(job, { ticket?, confirmation? }). That's about 20 lines.
4. Terminal identity: J402's P1 on #433 (88088) found that current-product terminals are host-login terminals under logind session-N.scope. D337 counts terminals by their session sockets (sessions-count), not by scope, so it should not hit that P1. I'm proving that now on the guest rig with a host-login terminal, and I'll post the result here.
5. Open for the orchestrator, not a job's call: when both offers apply to the same host, the refusal page can show only one primary action. My suggestion is that D337 "keep terminals" appears only when the person pastes a proof, and D368 "close and take over" is the default. That part is a UX ordering, so I'm leaving it for the orchestrator and kayg's review.

#305 does not change D368's files beyond these three hunks, and I won't touch takeover-close-terminals-d368.

**Overlap between #305 (D337, J205c) and #433 (D368, J379c).** Posted on both issues. I compared `takeover-proof-305-j205` (`8d57c453c`) with `takeover-close-terminals-d368` (`ee89ae90a`) using `git merge-tree`. They conflict in 3 files: | File | #305 adds | #433 adds | |---|---|---| | `crates/plugins/remote/src/runtime_lock.rs` | helper `LEVEL` 8 = the issuer pin in `enrolled` | helper `LEVEL` 8 = `takeover-terminals` records | | `crates/plugins/ssh/src/bootstrap.rs` | `PendingFresh { challenge, takeover, resume }`, where `takeover` is the D337 passkey-ticket proof | `PendingFresh { challenge, resume }`, with `challenge` replaced by the terminal-close confirmation | | `apps/tracer/src/canvas/addhost/wizard.ts` | `startFresh(job, takeover?: TakeoverTicket)` | `startFresh(job, confirmation?: string)` | Both also edit `previous_attempt.{rs,sh}`, `install.rs`, `model.rs` and `previous_attempt_shell.py`. Those merge cleanly, but in the same area: the finished-install takeover set up by J315/D359. **The scope overlap is real, but small.** Both decisions handle "a finished install from another server still has open terminals". - D337 (#305) **keeps** the terminals. The old server must sign a proof from its archive, and a passkey confirms. The new install inherits the session directory. - D368 (#433) **closes** them, after a confirmation that lists each one. That covers the case where the old server is gone. **Proposed split:** 1. #305 owns the proof-bound live takeover: the challenge, `takeover-proof`, the passkey ticket, the audit and session inheritance. #433 owns the close-after-confirmation path and its `takeover-terminals` helper mode. 2. Helper level: whichever branch merges **second** takes level 9 for its own addition and rebases. The levels are additive, and neither one depends on the other. 3. `start-fresh`: the second branch keeps both fields, `PendingFresh { challenge, takeover, resume }`, with D368's confirmation feeding `challenge`. On the client it becomes `startFresh(job, { ticket?, confirmation? })`. That's about 20 lines. 4. Terminal identity: J402's P1 on #433 (88088) found that current-product terminals are host-login terminals under logind `session-N.scope`. D337 counts terminals by their session sockets (`sessions-count`), not by scope, so it should not hit that P1. I'm proving that now on the guest rig with a host-login terminal, and I'll post the result here. 5. Open for the orchestrator, not a job's call: when both offers apply to the same host, the refusal page can show only one primary action. My suggestion is that D337 "keep terminals" appears only when the person pastes a proof, and D368 "close and take over" is the default. That part is a UX ordering, so I'm leaving it for the orchestrator and kayg's review. #305 does not change D368's files beyond these three hunks, and I won't touch `takeover-close-terminals-d368`.

kayg commented 2026-11-09 06:31:11 +00:00

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J379c progress (pushed 4ec183d4f on takeover-close-terminals-d368)

Commits on top of the dev merge e30c3ccf8 (origin/dev 411b49aa8):

• 10c324830 test: host-login terminals accepted, rows told apart (red: does not compile against the old helper or parser)
• caf2bb4e8 P1: terminals identified by their shim. The close boundary is the old infraternal-session-<id>.scope, or the logind session-N.scope whose leader (from /run/systemd/sessions/N) is the infraternal login worker (pid-1 child, __shim --login-worker, root-owned image in /var/cache/infraternal-login-bin). Every process in a login session must map, through its PTY (the shim's ptmx tty-index), to one of this install's shims, otherwise 73. The record carries the close unit, the pts name and the count of other programs.
• 33c4a375c / 955ec2448 P2: three truthful texts (busy before any close, busy after closing as new host status 74, changed with nothing closed).
• 4ec183d4f P3: rows read "root, bash on pts/3 and 2 other programs, since 9 Nov 2026, 14:05".

Running now: verify quick queued on dev-02 (~/.cache/codex-scratch/j379c/quick.log). The e2e build is queued on compute01 (position ~15, ~/.cache/codex-scratch/j379c/build.log). The guest rig is /root/j379c-start-guest.sh (port 22379, SELinux enforcing, since dev has #401). Scenarios: L1 (product terminal plus background job → offer, Back, confirm, B terminal), L5 (second product terminal opened between offer and confirm → refusal), O1 (old-layout scope). Target dir: compute01 ~/.cache/codex-scratch/j379c/target.

**J379c progress** (pushed `4ec183d4f` on `takeover-close-terminals-d368`) Commits on top of the dev merge `e30c3ccf8` (origin/dev 411b49aa8): - `10c324830` test: host-login terminals accepted, rows told apart (red: does not compile against the old helper or parser) - `caf2bb4e8` P1: terminals identified by their shim. The close boundary is the old `infraternal-session-<id>.scope`, or the logind `session-N.scope` whose leader (from `/run/systemd/sessions/N`) is the infraternal login worker (pid-1 child, `__shim --login-worker`, root-owned image in `/var/cache/infraternal-login-bin`). Every process in a login session must map, through its PTY (the shim's ptmx `tty-index`), to one of this install's shims, otherwise 73. The record carries the close unit, the pts name and the count of other programs. - `33c4a375c` / `955ec2448` P2: three truthful texts (busy before any close, busy after closing as new host status 74, changed with nothing closed). - `4ec183d4f` P3: rows read "root, bash on pts/3 and 2 other programs, since 9 Nov 2026, 14:05". Running now: `verify quick` queued on dev-02 (`~/.cache/codex-scratch/j379c/quick.log`). The e2e build is queued on compute01 (position ~15, `~/.cache/codex-scratch/j379c/build.log`). The guest rig is `/root/j379c-start-guest.sh` (port 22379, SELinux **enforcing**, since dev has #401). Scenarios: L1 (product terminal plus background job → offer, Back, confirm, B terminal), L5 (second product terminal opened between offer and confirm → refusal), O1 (old-layout scope). Target dir: compute01 `~/.cache/codex-scratch/j379c/target`.

kayg referenced this issue 2026-11-09 07:57:16 +00:00

Add-host: a failed install leaves a bootstrap lock that blocks every re-add forever #305

kayg commented 2026-11-09 07:57:29 +00:00

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J205c (#305) follow-up to the overlap note above. Details and evidence are in #305 comment 88495.

• Scope split, now confirmed from the code. D337's proof-bound takeover only runs for a stuck setup journal (StuckInstall::Reenroll if previous.in_use_elsewhere(), bootstrap.rs ~1371). A finished install never reaches it. So #305 and #433 cover different host states, and the remaining overlap is only the 3 merge hunks listed above (helper level, start-fresh fields, startFresh).
• J402's P1 confirmed independently. On a fresh enforcing AlmaLinux overlay, a finished root install from server A with a live host-login terminal (logind session-7.scope, infraternal-login-…-0.service) is refused by B as "set up elsewhere" (unrecognized-install). That run is live1 on #305; it used #305's branch, which doesn't change that path.
• Gap in both branches. A crashed first install that still serves a terminal shows "Setup is already running" forever. Neither D337 (only kind=upgrade journals) nor D368 (only finished installs) handles it. A design is proposed on #305. If D368's "close and take over" should cover it instead of D337's "keep", that's the orchestrator's call.

J205c (#305) follow-up to the overlap note above. Details and evidence are in #305 comment 88495. - **Scope split, now confirmed from the code.** D337's proof-bound takeover only runs for a *stuck setup journal* (`StuckInstall::Reenroll if previous.in_use_elsewhere()`, `bootstrap.rs` ~1371). A finished install never reaches it. So #305 and #433 cover different host states, and the remaining overlap is only the 3 merge hunks listed above (helper level, `start-fresh` fields, `startFresh`). - **J402's P1 confirmed independently.** On a fresh enforcing AlmaLinux overlay, a finished root install from server A with a live host-login terminal (logind `session-7.scope`, `infraternal-login-…-0.service`) is refused by B as "set up elsewhere" (`unrecognized-install`). That run is `live1` on #305; it used #305's branch, which doesn't change that path. - **Gap in both branches.** A crashed *first* install that still serves a terminal shows "Setup is already running" forever. Neither D337 (only `kind=upgrade` journals) nor D368 (only finished installs) handles it. A design is proposed on #305. If D368's "close and take over" should cover it instead of D337's "keep", that's the orchestrator's call.

kayg commented 2026-11-09 08:17:50 +00:00

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J205c → J379c: legacy1, an e2e case for the shim-based terminal identity (D368)

The orchestrator asked that #305's legacy1 repro go to #433. Here is what it holds and the exact path that refuses it.

State. A real crashed first root install with a surviving terminal. AlmaLinux 10.2, SELinux enforcing.

• /var/lib/infraternal/.bootstrap-lock: kind=fresh, with activating, creating-alias, replacing-{binary,launcher,state,unit}, stopping, transaction and transfer-progress. The lease owner is dead (lease_alive=no).
• state/identity.json is enrolled with server A. A is gone for good, but its archive is kept: ~/.cache/codex-scratch/j205c/archive-legacy1-A.tgz on compute01.
• infraternal-agent.service is active.
• The holder is one shim, 5384 /var/lib/infraternal/bin/live __shim --session fe710269164440088a7513c35c6b41d8 --uid 0 --cols 80 --rows 24 --state /var/lib/infraternal/sessions. It runs in the old layout scope infraternal-session-fe710269….scope, with -bash (5386) under it, and serves sessions/sessions/fe710269….sock. It was started with the pre-11-02 early-terminal command, exec <payload> __ssh-session --state $base/sessions (install.rs:704). Current servers never take that path because enrollment_origin() is always Some. It survives losing its SSH channel (snap-legacy-ssh-gone.txt).

Exit path (branch 8d57c453c, previous_attempt.sh unchanged from dev b68edbfff):

1. inspect_previous: no receipt and kind=fresh, so it skips inspect_upgrade.
2. not_live (:432): flock -n 8 on the journal succeeds, because the lease is dead.
3. activating + fresh → not_live_scan=unit, and agent_main_pid is skipped.
4. live_session_sockets (:446) → helper --bootstrap-runtime $base <dev:ino> sessions on fe710269….sock → runtime_lock.rs:608 Err(73).
5. If step 4 didn't fire, scan_holders unit (~:573) would also exit 73 on the shim's exe → bin/live.
6. classify(73) → SetupRunning: "Setup is already running on this host. Wait for it to finish, then try again." It refuses forever, and nothing is changed. That's #305's original report.

This is not the setup guard's flock, so #439 (J395b, flock -w 5) doesn't change it. With D368's identity (exe = the install's verified binary, socket under $base/sessions), this shim qualifies as the install's own terminal in the old-layout scope. What's left is routing a kind=fresh stuck journal into D368's "close and take over", where today it goes to the J257 not_live refusal.

Using the overlay. /root/j205c-vm/legacy1.qcow2 on compute01 is read-only, so boot a child overlay on top of it (qemu-img create -f qcow2 -F qcow2 -b /root/j205c-vm/legacy1.qcow2 <run>.qcow2), and copy it if you want it kept independently. Its backing file is /root/j311b-vm/disk.qcow2. The disk does not keep processes, so after boot the shim is gone. Recreate it the way the runner does: hold an SSH channel open to exec /var/lib/infraternal/bin/live __ssh-session --state /var/lib/infraternal/sessions, then drop it. See the J_LEGACY_SHELL block in ~/.cache/codex-scratch/j205c/e2e-stuck.sh. Re-run the whole repro from scratch with J_CRASH_ON_AGENT=1 J_LEGACY_SHELL=1 bash e2e-stuck.sh <name> after /root/j205c-start-guest.sh <name> (port 22205). The crash watcher is watch.sh. Evidence: the tarball on #305 comment 88495.

## J205c → J379c: `legacy1`, an e2e case for the shim-based terminal identity (D368) The orchestrator asked that #305's `legacy1` repro go to #433. Here is what it holds and the exact path that refuses it. **State.** A real crashed **first** root install with a surviving terminal. AlmaLinux 10.2, SELinux enforcing. - `/var/lib/infraternal/.bootstrap-lock`: `kind=fresh`, with `activating`, `creating-alias`, `replacing-{binary,launcher,state,unit}`, `stopping`, `transaction` and `transfer-progress`. The `lease` owner is dead (`lease_alive=no`). - `state/identity.json` is enrolled with server A. A is gone for good, but its archive is kept: `~/.cache/codex-scratch/j205c/archive-legacy1-A.tgz` on compute01. - `infraternal-agent.service` is active. - **The holder** is one shim, `5384 /var/lib/infraternal/bin/live __shim --session fe710269164440088a7513c35c6b41d8 --uid 0 --cols 80 --rows 24 --state /var/lib/infraternal/sessions`. It runs in the **old layout** scope `infraternal-session-fe710269….scope`, with `-bash` (5386) under it, and serves `sessions/sessions/fe710269….sock`. It was started with the pre-11-02 early-terminal command, `exec <payload> __ssh-session --state $base/sessions` (`install.rs:704`). Current servers never take that path because `enrollment_origin()` is always `Some`. It survives losing its SSH channel (`snap-legacy-ssh-gone.txt`). **Exit path** (branch `8d57c453c`, `previous_attempt.sh` unchanged from dev `b68edbfff`): 1. `inspect_previous`: no receipt and `kind=fresh`, so it skips `inspect_upgrade`. 2. `not_live` (`:432`): `flock -n 8` on the journal **succeeds**, because the lease is dead. 3. `activating` + `fresh` → `not_live_scan=unit`, and `agent_main_pid` is skipped. 4. `live_session_sockets` (`:446`) → helper `--bootstrap-runtime $base <dev:ino> sessions` on `fe710269….sock` → `runtime_lock.rs:608` `Err(73)`. 5. If step 4 didn't fire, `scan_holders unit` (~`:573`) would also exit 73 on the shim's `exe` → `bin/live`. 6. `classify(73)` → `SetupRunning`: "Setup is already running on this host. Wait for it to finish, then try again." It refuses forever, and nothing is changed. That's #305's original report. This is **not** the setup guard's flock, so #439 (J395b, `flock -w 5`) doesn't change it. With D368's identity (exe = the install's verified binary, socket under `$base/sessions`), this shim qualifies as the install's own terminal in the old-layout scope. What's left is routing a `kind=fresh` stuck journal into D368's "close and take over", where today it goes to the J257 `not_live` refusal. **Using the overlay.** `/root/j205c-vm/legacy1.qcow2` on compute01 is read-only, so boot a child overlay on top of it (`qemu-img create -f qcow2 -F qcow2 -b /root/j205c-vm/legacy1.qcow2 <run>.qcow2`), and copy it if you want it kept independently. Its backing file is `/root/j311b-vm/disk.qcow2`. **The disk does not keep processes**, so after boot the shim is gone. Recreate it the way the runner does: hold an SSH channel open to `exec /var/lib/infraternal/bin/live __ssh-session --state /var/lib/infraternal/sessions`, then drop it. See the `J_LEGACY_SHELL` block in `~/.cache/codex-scratch/j205c/e2e-stuck.sh`. Re-run the whole repro from scratch with `J_CRASH_ON_AGENT=1 J_LEGACY_SHELL=1 bash e2e-stuck.sh <name>` after `/root/j205c-start-guest.sh <name>` (port 22205). The crash watcher is `watch.sh`. Evidence: the tarball on #305 comment 88495.

kayg referenced this issue 2026-11-09 08:18:43 +00:00

Add-host: a failed install leaves a bootstrap lock that blocks every re-add forever #305

kayg referenced this issue 2026-11-09 08:21:40 +00:00

Add-host: a failed install leaves a bootstrap lock that blocks every re-add forever #305

kayg commented 2026-11-09 08:50:25 +00:00

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J379c finding (L1 e2e, real product terminal): systemd's (sd-pam) sits in the login's session scope. Fixed in c72d39905.

The first real run (4ec183d4f, guest overlay of J311b, SELinux enforcing) went like this: server A added root, opened a product terminal and ran sleep 100000 &. The helper on the guest still exited 73. The real host-login layout, session-7.scope (/run/systemd/sessions/7: LEADER=2632, SCOPE=session-7.scope, UID=0):

2632 ppid=1    infraternal  tty=0      exe=/var/cache/infraternal-login-bin/infraternal-…   (login worker, leader)
2634 ppid=2632 (sd-pam)     tty=0      exe=/usr/lib/systemd/systemd-executor
2637 ppid=2632 bash         tty=34816  (pts/0)
2636 ppid=2525 infraternal  tty=0      exe=/var/lib/infraternal/bin/live  (shim; ptmx fds 8, 20 both tty-index 0)
2661 ppid=2637 sleep        tty=34816

Everything matched the design except (sd-pam), which PAMName= leaves as a tty-less child of the worker. The helper now counts it as part of the login, but only when it is a direct child of the verified worker, has no tty, and is named (sd-pam). Anything on a terminal, or below one, still counts as that terminal's, whatever it calls itself. A red test was committed first (4e38c31a1). Evidence: compute01 ~/.cache/codex-scratch/j379c/evidence/L1/.

J205c legacy1 (comment 88519): implemented, e2e pending. 537a3a02b (red) → d1bc84d80 → 7f5574233. For an activated fresh journal, not_live now asks the helper for terminal records. When every live endpoint is this install's own shim, the STALE line carries them, and Start fresh lists them (UI: "Close it and start fresh") under a terminal-only challenge. That Start fresh never runs automatically. On confirm it re-checks the records after the activated agent stops (75 if they changed, nothing closed), then stops their units. A 73 after that becomes 74. Endpoints the helper can't attribute still refuse, as before. Runner: e2e-legacy.sh on a child overlay of /root/j205c-vm/legacy1.qcow2.

**J379c finding (L1 e2e, real product terminal): systemd's `(sd-pam)` sits in the login's session scope.** Fixed in `c72d39905`. The first real run (`4ec183d4f`, guest overlay of J311b, SELinux **enforcing**) went like this: server A added root, opened a product terminal and ran `sleep 100000 &`. The helper on the guest still exited 73. The real host-login layout, `session-7.scope` (`/run/systemd/sessions/7`: `LEADER=2632`, `SCOPE=session-7.scope`, `UID=0`): ``` 2632 ppid=1 infraternal tty=0 exe=/var/cache/infraternal-login-bin/infraternal-… (login worker, leader) 2634 ppid=2632 (sd-pam) tty=0 exe=/usr/lib/systemd/systemd-executor 2637 ppid=2632 bash tty=34816 (pts/0) 2636 ppid=2525 infraternal tty=0 exe=/var/lib/infraternal/bin/live (shim; ptmx fds 8, 20 both tty-index 0) 2661 ppid=2637 sleep tty=34816 ``` Everything matched the design except `(sd-pam)`, which `PAMName=` leaves as a tty-less child of the worker. The helper now counts it as part of the login, but only when it is a direct child of the verified worker, has no tty, and is named `(sd-pam)`. Anything on a terminal, or below one, still counts as that terminal's, whatever it calls itself. A red test was committed first (`4e38c31a1`). Evidence: compute01 `~/.cache/codex-scratch/j379c/evidence/L1/`. **J205c legacy1 (comment 88519): implemented, e2e pending.** `537a3a02b` (red) → `d1bc84d80` → `7f5574233`. For an activated fresh journal, `not_live` now asks the helper for terminal records. When every live endpoint is this install's own shim, the STALE line carries them, and Start fresh lists them (UI: "Close it and start fresh") under a terminal-only challenge. That Start fresh never runs automatically. On confirm it re-checks the records after the activated agent stops (75 if they changed, nothing closed), then stops their units. A 73 after that becomes 74. Endpoints the helper can't attribute still refuse, as before. Runner: `e2e-legacy.sh` on a child overlay of `/root/j205c-vm/legacy1.qcow2`.

kayg commented 2026-11-09 12:07:18 +00:00

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J379c e2e: both layouts, the current product, and J205c's legacy1. Final build 419862508 (head e36832b31 differs only in a test file). compute01 guest = a per-run overlay of the J311b AlmaLinux 10.2 image, SELinux enforcing (dev has #401), servers on loopback, real browser flows against a production web build.

Run	Old install's terminal(s)	Offer and rows	Back	Confirm	B's new terminal	Result
L1 product, host login	1 terminal opened through A (session-7.scope), plus sleep 100000 &	Take over: "root, bash on pts/0 and 1 other program, since 9 Nov 2026, 12:28" / "Close it and take over"	closes nothing (session-7 still listed)	session-7 closed, owner 97ca56b9… → 48838493…, old login unit gone	echo landed	PASS
L5 product, terminal opened between offer and confirm	as L1, then A returns and opens a 2nd terminal (split, pts/1, same login)	1 row at offer, 2 records before confirm	n/a	75: "…changed since you reviewed them, so no terminal was closed and the old install was left as it was found…". Both terminals and owner 1c72b36f… kept	n/a	PASS
O1 old layout (minipc01 shape)	A's login terminal closed by hand, 1 terminal in infraternal-session-<id>.scope from the installed binary	"root, bash on pts/0, since 9 Nov 2026, 12:46"	closes nothing	scope closed, owner df636a78… → a1583779…	echo landed	PASS
LG1 J205c legacy1 (crashed first install, kind=fresh, activating)	old-layout scope terminal, restarted via __ssh-session as on the field host	Start fresh: "1 open terminal. Start fresh closes it." / "root, bash on pts/0, since 9 Nov 2026, 12:22" / "Close it and start fresh"	n/a	terminal closed, crashed install removed, owner a8bafd22… → cb2820a0…	echo landed	PASS

How it got there (each a red then a fix, all on the branch):

1. L1 run 1: 73. (sd-pam) sits in the login scope (4e38c31a1/c72d39905).
2. L1 run 2: 75. The shim's parent is the old agent, and Take over stops the agent before its second compare (f0e578dd1/7376a61ce).
3. LG1 run 1: still 73. The host's cached helper was an earlier level-8 build with J379's scope-only records, so the level moves to 9 (eeb3b7efd).
4. LG1 run 2: closed, then 71. Start fresh took the identity as the record's penultimate field (9bed4eda1).
5. LG1 run 3: the row's quick "Start fresh" bypassed the list. The server refused the nil challenge and closed nothing, but the person saw "Something went wrong" (db68f6e2e spec / 419862508).

Raw evidence on compute01: ~/.cache/codex-scratch/j379c/evidence/{L1,L5,O1,LG1}/ (run.txt, guest snapshots with every boundary's processes, the helper's records, server and flow logs, screenshots). Failed intermediate runs are kept beside them (*-run*). Screenshots attached below.

**J379c e2e: both layouts, the current product, and J205c's legacy1.** Final build `419862508` (head `e36832b31` differs only in a test file). compute01 guest = a per-run overlay of the J311b AlmaLinux 10.2 image, **SELinux enforcing** (dev has #401), servers on loopback, real browser flows against a production web build. | Run | Old install's terminal(s) | Offer and rows | Back | Confirm | B's new terminal | Result | |---|---|---|---|---|---|---| | **L1** product, host login | 1 terminal opened through A (`session-7.scope`), plus `sleep 100000 &` | Take over: "root, bash on pts/0 and 1 other program, since 9 Nov 2026, 12:28" / "Close it and take over" | closes nothing (session-7 still listed) | session-7 closed, owner `97ca56b9…` → `48838493…`, old login unit gone | echo landed | **PASS** | | **L5** product, terminal opened between offer and confirm | as L1, then A returns and opens a 2nd terminal (split, `pts/1`, same login) | 1 row at offer, 2 records before confirm | n/a | **75**: "…changed since you reviewed them, so no terminal was closed and the old install was left as it was found…". Both terminals and owner `1c72b36f…` kept | n/a | **PASS** | | **O1** old layout (minipc01 shape) | A's login terminal closed by hand, 1 terminal in `infraternal-session-<id>.scope` from the installed binary | "root, bash on pts/0, since 9 Nov 2026, 12:46" | closes nothing | scope closed, owner `df636a78…` → `a1583779…` | echo landed | **PASS** | | **LG1** J205c legacy1 (crashed first install, `kind=fresh`, activating) | old-layout scope terminal, restarted via `__ssh-session` as on the field host | **Start fresh**: "1 open terminal. Start fresh closes it." / "root, bash on pts/0, since 9 Nov 2026, 12:22" / "Close it and start fresh" | n/a | terminal closed, crashed install removed, owner `a8bafd22…` → `cb2820a0…` | echo landed | **PASS** | How it got there (each a red then a fix, all on the branch): 1. L1 run 1: 73. `(sd-pam)` sits in the login scope (`4e38c31a1`/`c72d39905`). 2. L1 run 2: 75. The shim's parent is the old agent, and Take over stops the agent before its second compare (`f0e578dd1`/`7376a61ce`). 3. LG1 run 1: still 73. The host's cached helper was an earlier level-8 build with J379's scope-only records, so the level moves to 9 (`eeb3b7efd`). 4. LG1 run 2: closed, then 71. Start fresh took the identity as the record's penultimate field (`9bed4eda1`). 5. LG1 run 3: the row's quick "Start fresh" bypassed the list. The server refused the nil challenge and **closed nothing**, but the person saw "Something went wrong" (`db68f6e2e` spec / `419862508`). Raw evidence on compute01: `~/.cache/codex-scratch/j379c/evidence/{L1,L5,O1,LG1}/` (run.txt, guest snapshots with every boundary's processes, the helper's records, server and flow logs, screenshots). Failed intermediate runs are kept beside them (`*-run*`). Screenshots attached below.

L1-6-confirm-1440x900.png

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L1-6-confirm-393x852.png

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L1-9-terminal-echo.png

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L5-8-refusal-1440x900.png

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L5-8-refusal-393x852.png

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LG1-5-start-fresh-1440x900.png

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LG1-5-start-fresh-393x852.png

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O1-6-confirm-1440x900.png

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kayg commented 2026-11-09 15:01:09 +00:00

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J379c progress: gate status

• First verify fast (compute01, e36832b31): FAST_EXIT=1. All rows passed except two:
  • test: a_root_add_offers_take_over_and_a_failed_install_puts_the_old_one_back still built the five-field terminal record. Fixed in 259ee884d; with --features remote,ssh the 5 takeover tests pass.
  • cargo-deny: RUSTSEC-2026-0459 (libsqlite3-sys). I didn't touch Cargo.lock or deny.toml. Dev handled it after my merge base with a time-limited ignore (5acf28773, #473); cargo deny check on origin/dev 198c4a736 passes.
  • Static builds passed: x86_64 and aarch64 each +102400 bytes accepted with delta.
• Merged origin/dev 198c4a736 → a93ba2779. One conflict, addhost-wizard.spec.ts (dev's resetDouble + this branch's theme parameter).
• verify quick at e36832b31 passed earlier. So did the touched bun tests (28 pass) and 7 wizard specs, including the new "leftovers with a terminal".
• Queued now: verify fast on compute01 (position 12) at a93ba2779; on dev-02, a merged x86 build, then quick and the specs. L1 and LG1 get rerun on the merged build.
• Housekeeping slip: for about 2 minutes (~14:52–14:54 UTC) compute01's shared ~/infraternal refs/remotes/origin/dev pointed at my merge a93ba2779, because of a bad update-ref. It's restored to 198c4a736, which matches the remote. Nothing else changed.

**J379c progress: gate status** - First `verify fast` (compute01, `e36832b31`): `FAST_EXIT=1`. All rows passed except two: - `test`: `a_root_add_offers_take_over_and_a_failed_install_puts_the_old_one_back` still built the five-field terminal record. Fixed in `259ee884d`; with `--features remote,ssh` the 5 takeover tests pass. - `cargo-deny`: RUSTSEC-2026-0459 (`libsqlite3-sys`). I didn't touch `Cargo.lock` or `deny.toml`. Dev handled it after my merge base with a time-limited ignore (`5acf28773`, #473); `cargo deny check` on origin/dev `198c4a736` passes. - Static builds passed: x86_64 and aarch64 each `+102400 bytes accepted with delta`. - Merged origin/dev `198c4a736` → `a93ba2779`. One conflict, `addhost-wizard.spec.ts` (dev's `resetDouble` + this branch's `theme` parameter). - `verify quick` at `e36832b31` passed earlier. So did the touched bun tests (28 pass) and 7 wizard specs, including the new "leftovers with a terminal". - Queued now: `verify fast` on compute01 (position 12) at `a93ba2779`; on dev-02, a merged x86 build, then quick and the specs. L1 and LG1 get rerun on the merged build. - Housekeeping slip: for about 2 minutes (~14:52–14:54 UTC) compute01's shared `~/infraternal` `refs/remotes/origin/dev` pointed at my merge `a93ba2779`, because of a bad `update-ref`. It's restored to `198c4a736`, which matches the remote. Nothing else changed.

kayg commented 2026-11-09 19:08:11 +00:00

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J379c finish. Head a93ba2779e6cbe8ccb359dc03b67f42c86a42fef on takeover-close-terminals-d368, pushed and confirmed with git ls-remote. Not merged, not deployed; minipc01 not touched.

Done

• P1: terminals are identified by their shim. The socket under the install's sessions/ must have a root peer whose Hello matches and whose exe is under the canonical base. The close boundary is either the old infraternal-session-<id>.scope, or a host login's logind session-N.scope. A login scope counts only when logind's record names our login worker as the leader (pid-1 child, __shim --login-worker, root-owned image), never an ssh or console login. Inside a login scope every process must belong to one of this install's terminals by PTY, except systemd's (sd-pam); otherwise 73. A shim's parent is kept out of the fingerprint, because the agent stop reparents it. The helper level moves to 9.
• P2: three truthful texts per action: busy before any close, busy after closing (new host status 74), and changed (75, nothing closed).
• P3-1/P3-2: rows read e.g. "root, bash on pts/0 and 1 other program, since 9 Nov 2026, 16:13".
• P3-3: real e2e (table in comment 88745). Reruns on the merged head: L1 PASS (host login, owner 8fb355b9… → 366b12b0…, B terminal echo) and LG1 PASS (legacy1, owner a8bafd22… → 55512785…).
• J205c legacy1 (88519): a crashed first install's own terminal is listed by Start fresh ("Close it and start fresh") and closed only after confirmation. The row's quick link opens the list instead of confirming.

e2e summary (all on a J311b overlay, SELinux enforcing; final build 419862508, L1 and LG1 also on merged a93ba2779)

Case	Layout	Result
L1: offer lists the terminal, Back closes nothing, confirm closes it, B terminal works	host login (session-N.scope)	PASS
L5: a terminal opened between offer and confirm	host login	PASS (75, nothing closed)
O1: offer, Back, confirm, B terminal	old infraternal-session-<id>.scope	PASS
LG1: J205c legacy1, Start fresh	old scope, crashed kind=fresh install	PASS

Gates

• verify quick (dev-02, a93ba2779): QUICK_EXIT=0. Touched bun tests: 28 pass, 0 fail. Wizard specs (-g "Take over lists terminals|leftovers"): 7 passed.
• verify fast (compute01), verbatim:

FAST_START 2026-11-09T16:39:35Z a93ba2779e6cbe8ccb359dc03b67f42c86a42fef
| Rust gate                 | Result       |
+---------------------------+--------------+
| Nix Cargo vendoring       | PASS         |
| fmt                       | PASS         |
| migration names           | PASS         |
| migration tooling tests   | PASS         |
| VT native fmt             | PASS         |
| CLI plugin compile-out    | PASS         |
| clippy                    | PASS         |
| SSH runtime test helper   | PASS         |
| real-binary fixture paths | PASS         |
| Traefik component manifest | PASS         |
| release component publication | PASS         |
| test                      | PASS         |
| SSH inode reuse fixture   | PASS         |
| shim process-per-user     | PASS         |
| cargo-deny                | PASS         |
| gate architecture         | PASS         |
| doc coverage ratchet      | PASS         |
| shape lints off (D351)    | PASS         |
| doc comments on diff      | PASS         |
| fixed test waits          | PASS         |
| privileged integration    | PASS         |
| probe release exclusion   | PASS         |
| nightly fuzz reporter     | PASS         |
| nightly browser suite reporter | PASS         |
| static builds             | PASS         |
+---------------------------+--------------+
x86_64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS
aarch64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS

1 tests failed:
(fail) a closing notice cannot hide its replacement [2.37ms]

 655 pass
 1 fail
 24814 expect() calls
Ran 656 tests across 102 files. [60.58s]
FAST_EXIT=1

The only failure, startup-toast.test.ts ("a closing notice cannot hide its replacement"), is pre-existing on dev. It fails alone on unmodified origin/dev 198c4a736 (the merged base) and on the latest dev 547a48885, and this branch doesn't touch that file or packages/ui toast code. The first fast run (e36832b31) found one real stale fixture of mine (fixed in 259ee884d) and the RUSTSEC-2026-0459 cargo-deny failure that dev fixed after my base. The static rows report the gate's stored baseline (+5,954,216 B x86, report-only); I did not measure a separate branch-vs-dev size delta.

Not run: the root fixture takeover_terminals_root.py (it needs the mesh claim). O1 and LG1 prove the old layout on real guests instead.
Cleanup: guests stopped and overlays removed, compute01 and dev-02 targets deleted, no processes left. Evidence: compute01 ~/.cache/codex-scratch/j379c/evidence/.

**J379c finish.** Head `a93ba2779e6cbe8ccb359dc03b67f42c86a42fef` on `takeover-close-terminals-d368`, pushed and confirmed with `git ls-remote`. Not merged, not deployed; minipc01 not touched. **Done** - **P1:** terminals are identified by their shim. The socket under the install's `sessions/` must have a root peer whose `Hello` matches and whose exe is under the canonical base. The close boundary is either the old `infraternal-session-<id>.scope`, or a host login's logind `session-N.scope`. A login scope counts only when logind's record names our login worker as the leader (pid-1 child, `__shim --login-worker`, root-owned image), never an ssh or console login. Inside a login scope every process must belong to one of this install's terminals by PTY, except systemd's `(sd-pam)`; otherwise 73. A shim's parent is kept out of the fingerprint, because the agent stop reparents it. The helper level moves to 9. - **P2:** three truthful texts per action: busy before any close, busy after closing (new host status 74), and changed (75, nothing closed). - **P3-1/P3-2:** rows read e.g. "root, bash on pts/0 and 1 other program, since 9 Nov 2026, 16:13". - **P3-3:** real e2e (table in comment 88745). Reruns on the merged head: **L1 PASS** (host login, owner `8fb355b9…` → `366b12b0…`, B terminal echo) and **LG1 PASS** (legacy1, owner `a8bafd22…` → `55512785…`). - **J205c legacy1 (88519):** a crashed first install's own terminal is listed by Start fresh ("Close it and start fresh") and closed only after confirmation. The row's quick link opens the list instead of confirming. **e2e summary** (all on a J311b overlay, SELinux enforcing; final build `419862508`, L1 and LG1 also on merged `a93ba2779`) | Case | Layout | Result | |---|---|---| | L1: offer lists the terminal, Back closes nothing, confirm closes it, B terminal works | host login (`session-N.scope`) | PASS | | L5: a terminal opened between offer and confirm | host login | PASS (75, nothing closed) | | O1: offer, Back, confirm, B terminal | old `infraternal-session-<id>.scope` | PASS | | LG1: J205c legacy1, Start fresh | old scope, crashed `kind=fresh` install | PASS | **Gates** - `verify quick` (dev-02, `a93ba2779`): `QUICK_EXIT=0`. Touched bun tests: 28 pass, 0 fail. Wizard specs (`-g "Take over lists terminals|leftovers"`): 7 passed. - `verify fast` (compute01), verbatim: ```text FAST_START 2026-11-09T16:39:35Z a93ba2779e6cbe8ccb359dc03b67f42c86a42fef | Rust gate | Result | +---------------------------+--------------+ | Nix Cargo vendoring | PASS | | fmt | PASS | | migration names | PASS | | migration tooling tests | PASS | | VT native fmt | PASS | | CLI plugin compile-out | PASS | | clippy | PASS | | SSH runtime test helper | PASS | | real-binary fixture paths | PASS | | Traefik component manifest | PASS | | release component publication | PASS | | test | PASS | | SSH inode reuse fixture | PASS | | shim process-per-user | PASS | | cargo-deny | PASS | | gate architecture | PASS | | doc coverage ratchet | PASS | | shape lints off (D351) | PASS | | doc comments on diff | PASS | | fixed test waits | PASS | | privileged integration | PASS | | probe release exclusion | PASS | | nightly fuzz reporter | PASS | | nightly browser suite reporter | PASS | | static builds | PASS | +---------------------------+--------------+ x86_64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS aarch64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS 1 tests failed: (fail) a closing notice cannot hide its replacement [2.37ms] 655 pass 1 fail 24814 expect() calls Ran 656 tests across 102 files. [60.58s] FAST_EXIT=1 ``` The only failure, `startup-toast.test.ts` ("a closing notice cannot hide its replacement"), is pre-existing on dev. It fails alone on unmodified origin/dev `198c4a736` (the merged base) and on the latest dev `547a48885`, and this branch doesn't touch that file or `packages/ui` toast code. The first `fast` run (`e36832b31`) found one real stale fixture of mine (fixed in `259ee884d`) and the RUSTSEC-2026-0459 cargo-deny failure that dev fixed after my base. The static rows report the gate's stored baseline (+5,954,216 B x86, report-only); I did not measure a separate branch-vs-dev size delta. **Not run:** the root fixture `takeover_terminals_root.py` (it needs the mesh claim). O1 and LG1 prove the old layout on real guests instead. **Cleanup:** guests stopped and overlays removed, compute01 and dev-02 targets deleted, no processes left. Evidence: compute01 `~/.cache/codex-scratch/j379c/evidence/`.

kayg commented 2026-11-09 19:26:31 +00:00

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J-review (D368 security review) start. Reviewing takeover-close-terminals-d368 at a93ba2779e6cbe8ccb359dc03b67f42c86a42fef (base origin/dev). Independent reviewer, Claude Opus 5.5. Plan (~2 h): read takeover_terminals.rs + the take-over / Start-fresh shell paths, then attack on a compute01 J311b guest overlay as root: false matches (ssh/console/tmux/screen/other install, socket spoofing, look-alike base, PID reuse, fake logind leader), TOCTOU (75), the (sd-pam) exception, partial close (74), legacy1 Start fresh. Then the takeover unit/integration tests and, if the mesh claim is free, takeover_terminals_root.py. Nothing merged, pushed or deployed; minipc01 untouched.

**J-review (D368 security review) start.** Reviewing `takeover-close-terminals-d368` at `a93ba2779e6cbe8ccb359dc03b67f42c86a42fef` (base origin/dev). Independent reviewer, Claude Opus 5.5. Plan (~2 h): read `takeover_terminals.rs` + the take-over / Start-fresh shell paths, then attack on a compute01 J311b guest overlay as root: false matches (ssh/console/tmux/screen/other install, socket spoofing, look-alike base, PID reuse, fake logind leader), TOCTOU (75), the `(sd-pam)` exception, partial close (74), legacy1 Start fresh. Then the takeover unit/integration tests and, if the mesh claim is free, `takeover_terminals_root.py`. Nothing merged, pushed or deployed; minipc01 untouched.

kayg commented 2026-11-10 00:16:49 +00:00

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D368 security review: REQUEST CHANGES

Reviewed SHA a93ba2779e6cbe8ccb359dc03b67f42c86a42fef (takeover-close-terminals-d368). Independent reviewer (Claude Opus 5.5). Nothing was merged, pushed or deployed. minipc01 was not touched. No mesh claim was taken: every root step ran inside disposable J311b AlmaLinux overlays on compute01 (/root/j379c-start-guest.sh, SELinux enforcing unless noted). J379c's a93ba2779 build and flow drove a real two-server host-login install.

The design holds against every false-match vector I could build. One exception still lets an unlisted process be closed: the (sd-pam) match is by name.

P2-1. The (sd-pam) exception matches by comm, so a terminal's own daemon can hide from the confirmation and is closed unlisted

takeover_terminals.rs attribute() → pam_helper accepts any member whose ppid == leader, tty == 0 and program == "(sd-pam)". The login worker is a child subreaper (infraternal-shim/src/login.rs:195), so every detached descendant of a terminal is reparented to it. A binary file named (sd-pam) gives exactly that comm.

Repro (real product install from server A, host-login session-45.scope; typed into the real terminal on /dev/pts/0):

# control: an ordinary detached daemon
( setsid /tmp/mydaemon 99991 </dev/null >/dev/null 2>&1 & )
  -> pid 3714 ppid=3482(worker) tty=0 exe=/tmp/mydaemon      takeover-terminals exit=73  (correct: refused)
# spoof: same thing, binary file named "(sd-pam)"
cp /usr/bin/sleep '/tmp/(sd-pam)'; ( setsid '/tmp/(sd-pam)' 99992 </dev/null >/dev/null 2>&1 & )
  -> pid 3883 ppid=3482 comm=(sd-pam) tty=0 exe=/tmp/(sd-pam)  takeover-terminals exit=0

Server B then offered: "root, bash on pts/0 and 1 other program". The one "other" is the sleep 100000 & job, so the spoof isn't counted. Confirming closed session-45.scope, and /tmp/(sd-pam) died with it, never listed. That breaks D368's "what Take over closes is exactly what the confirmation lists". It also defeats the refusal (73) that exists precisely for tty-less processes the person can't see. Blast radius: only processes already inside the reviewed login scope, i.e. that account's own work, never another login's.

Fix: match the real helper by identity, not by name. The real one is exe=/usr/lib/systemd/systemd-executor (older systemd: /usr/lib/systemd/systemd), a root-owned file that isn't writable by others, and it starts with the login, before any shim. For example: require exe to be the system manager's own executor (compare dev:ino with /proc/1/exe's sibling, or a root-owned path under /usr/lib/systemd/), birth ≤ the leader's first shim's birth, and at most one such helper. Add a unit test where a member named (sd-pam) with another exe is refused.

P3-1. 74 after a failed unit stop says the wrong thing

Repro: one install with a host-login terminal (session-54.scope) and an old-layout terminal (infraternal-session-c8a8….scope). I set RefuseManualStop=yes on the second via a /run drop-in. Server C confirmed "Close them and take over". The host exited 74: session-54 closed, the second stop refused. State afterwards is consistent: the old install is put back (owner a445c626… kept), infraternal-agent.service enabled and active, terminal 2 still running. The text (attached 8-refusal-393x852.png) says: "Take over closed the terminals you confirmed, then found something else still using the old infraternal agent, such as a program that runs from its folder…". Neither claim is true here: one confirmed terminal is still open, and the cause was a unit that wouldn't stop. Suggest a separate status for "a close failed" (or neutral wording: "some of the terminals you confirmed were closed"), so the person isn't sent looking for a program that doesn't exist.

P3-2. The root fixture takeover_terminals_root.py is stale and can't run as written

I ran it inside a fresh guest overlay with a static x86 recovery-helper built from a93ba2779, using the script's own runner (python3 takeover_terminals_root.py <tests>). Before it would run at all:

• It asserts that /home/claude/mesh-vm.claim starts with J379 , so nobody else can run it without forging that text. I wrote a guest-local file.
• python3 -m unittest takeover_terminals_root also runs every inherited EarlierSetup test against the real system manager, and they all fail. Only the __main__ runner is valid; say so in the module doc.
• On SELinux-enforcing Alma, systemd can't exec the fixture unit from /root (203/EXEC, admin_home_t). I set the guest permissive for this run only.

Results (8 tests): 5 pass: new terminal between offer and confirm (75), changed record, foreground program changed, terminal opened during the stop, non-terminal holder (73). 3 fail:

• test_other_account_holder_appearing_after_close_still_refuses and test_failure_after_close_restores_the_old_install_and_service expect 73, but the branch now (correctly) returns 74 once a terminal has been closed. Their restore assertions come after that line and never ran.
• test_offer_then_confirm_closes_only_the_reviewed_terminal failed with 75 in 2 of 4 runs. When the offer is read while the new bash is still running its startup child (…,7074732f30,1, / ,2,), the confirm sees a different set. The product's behaviour is safe (nothing closed), but the test races; wait until others is 0, or until the foreground is idle, before taking the record.

Logs: compute01 ~/.cache/codex-scratch/rv433/evidence/fixture-8tests.log, fixture-happy-x3.log.

P3-3. A process's executable isn't bound into the fingerprint

Same pid, same comm, a different binary: a copy of bash at /tmp/a/sleep execs /tmp/b/sleep between two reads, and the record's fingerprint is byte-identical (…de4a21641dc0b3dd6de857f1 both times). It stays inside the reviewed terminal, so the impact is low. Hashing the exe dev:ino would close it cheaply, and it's the same identity P2-1 needs.

P3-4 (hardening, code-only). The old-layout boundary trusts the scope name

boundary() accepts infraternal-session-<id>.scope at any depth of the cgroup path, then the shell stops the system unit of that name. reviewed_terminal_process likewise matches 0::*/infraternal-session-*.scope at any depth. If the shim sits in a nested cgroup of that name, the processes enumerated and the unit stopped can differ. Setting that up needs root, so this isn't exploitable by an account. Still: compare systemctl show -p ControlGroup --value <unit> with the walked cgroup before stopping, or require the scope as a direct child of system.slice.

What holds (tried for real on the guest unless marked)

Attack	Result
This install's shim started by hand inside an ordinary ssh login (session-61.scope, leader sshd-session)	73, refused
Shim from a look-alike base (/var/lib/infraternal-x/bin/live) serving a socket in the real sessions/ dir, in its own infraternal-session-*.scope	73 (component-wise starts_with)
sessions/sessions replaced by a symlink	71
Unprivileged kayg: socket squatting / writing the login-images dir	Permission denied on both (sessions is root 0700, images dir root 0755, image 0555)
Unrelated processes in another ssh login / other session-N scopes	never examined: only sockets under the install's sessions/ start a boundary
tmux/screen inside a terminal	not installed on the guest. A detached server behaves like the mydaemon control above: 73
Fake logind leader	code-only: the leader is logind's LEADER=, which an account can't make exec the login image; exe dir + __shim --login-worker + ppid 1 + membership are all required
PID reuse between list and close	close is by unit, never by pid; shims are bound by pid+birth and re-checked
TOCTOU: su kayg -c sleep in the terminal, a setuid-root child, a new terminal (J379c L5, fixture)	fingerprint changes → 75, nothing closed
74 partial close	old install put back, agent enabled+active, unclosed terminal kept (wording: P3-1)
legacy1 / Start fresh	code: terminals force FreshMode::Confirm; the generic challenge is nil'd and the server compares challenges exactly (bootstrap.rs:1985); a terminal appearing after an automatic check changes inspect_previous → 75. The row's quick link opens the list (wizard.ts: !failure.closes). I found no path that closes without the list
Take over automation (D370 key joins)	take_over() always goes through await_confirmation

Tests and gates (dev-02, a93ba2779)

• cargo test -p infraternal-plugin-remote --features agent,tokio/rt-multi-thread,tokio/macros --lib -- takeover_terminals runtime_lock: 37 passed, 2 ignored (+1+1). All 11 takeover_terminals::tests ok. Without the tokio features the lib test target doesn't compile on its own; that's a feature-unification quirk, not this branch.
• --test takeover_check: 1 passed. --test install: 110 passed, 2 ignored. ssh lib previous_attempt: 10 passed. infraternal-server --features remote,ssh --lib -- takeover: 5 passed.
• VERIFY_QUICK_BASE=origin/dev scripts/verify quick: QUICK_EXIT=0 ("QUICK pre-check passed"). Pre-check only; I didn't rerun fast (reviewer rule).

Evidence

compute01 ~/.cache/codex-scratch/rv433/evidence/: P1/ (spoof install, snapshots, B's offer/confirm screenshots and flow log), P74/ (partial close, refusal screenshots), fixture logs. Setup: setup-P1.out, takeover-P1.out, takeover-P74.out. Screenshots of the 74 refusal are attached.

Cleanup: guest overlays rv433a/b/c stopped and deleted, servers stopped, server data dirs removed, dev-02 target and worktree deleted.

Verdict: REQUEST CHANGES. P2-1 must be fixed: the owner asked that the (sd-pam) match be by real identity, and today a name is enough. Also refresh the root fixture (P3-2) so it actually runs. P3-1, P3-3 and P3-4 can land with it or after.

## D368 security review: REQUEST CHANGES Reviewed SHA **`a93ba2779e6cbe8ccb359dc03b67f42c86a42fef`** (`takeover-close-terminals-d368`). Independent reviewer (Claude Opus 5.5). Nothing was merged, pushed or deployed. minipc01 was not touched. No mesh claim was taken: every root step ran inside disposable J311b AlmaLinux overlays on compute01 (`/root/j379c-start-guest.sh`, SELinux enforcing unless noted). J379c's `a93ba2779` build and flow drove a real two-server host-login install. The design holds against every false-match vector I could build. One exception still lets an unlisted process be closed: the `(sd-pam)` match is by name. ### P2-1. The `(sd-pam)` exception matches by `comm`, so a terminal's own daemon can hide from the confirmation and is closed unlisted `takeover_terminals.rs` `attribute()` → `pam_helper` accepts any member whose `ppid == leader`, `tty == 0` and `program == "(sd-pam)"`. The login worker is a child subreaper (`infraternal-shim/src/login.rs:195`), so every detached descendant of a terminal is reparented to it. A binary *file* named `(sd-pam)` gives exactly that comm. Repro (real product install from server A, host-login `session-45.scope`; typed into the real terminal on `/dev/pts/0`): ``` # control: an ordinary detached daemon ( setsid /tmp/mydaemon 99991 </dev/null >/dev/null 2>&1 & ) -> pid 3714 ppid=3482(worker) tty=0 exe=/tmp/mydaemon takeover-terminals exit=73 (correct: refused) # spoof: same thing, binary file named "(sd-pam)" cp /usr/bin/sleep '/tmp/(sd-pam)'; ( setsid '/tmp/(sd-pam)' 99992 </dev/null >/dev/null 2>&1 & ) -> pid 3883 ppid=3482 comm=(sd-pam) tty=0 exe=/tmp/(sd-pam) takeover-terminals exit=0 ``` Server B then offered: `"root, bash on pts/0 and 1 other program"`. The one "other" is the `sleep 100000 &` job, so the spoof isn't counted. Confirming closed `session-45.scope`, and `/tmp/(sd-pam)` died with it, never listed. That breaks D368's "what Take over closes is exactly what the confirmation lists". It also defeats the refusal (73) that exists precisely for tty-less processes the person can't see. Blast radius: only processes already inside the reviewed login scope, i.e. that account's own work, never another login's. Fix: match the real helper by identity, not by name. The real one is `exe=/usr/lib/systemd/systemd-executor` (older systemd: `/usr/lib/systemd/systemd`), a root-owned file that isn't writable by others, and it starts with the login, before any shim. For example: require `exe` to be the system manager's own executor (compare dev:ino with `/proc/1/exe`'s sibling, or a root-owned path under `/usr/lib/systemd/`), birth ≤ the leader's first shim's birth, and at most one such helper. Add a unit test where a member named `(sd-pam)` with another exe is refused. ### P3-1. 74 after a failed unit stop says the wrong thing Repro: one install with a host-login terminal (`session-54.scope`) and an old-layout terminal (`infraternal-session-c8a8….scope`). I set `RefuseManualStop=yes` on the second via a `/run` drop-in. Server C confirmed "Close them and take over". The host exited **74**: `session-54` closed, the second stop refused. State afterwards is **consistent**: the old install is put back (owner `a445c626…` kept), `infraternal-agent.service` enabled and active, terminal 2 still running. The text (attached `8-refusal-393x852.png`) says: *"Take over closed the terminals you confirmed, then found something else still using the old infraternal agent, such as a program that runs from its folder…"*. Neither claim is true here: one confirmed terminal is still open, and the cause was a unit that wouldn't stop. Suggest a separate status for "a close failed" (or neutral wording: "some of the terminals you confirmed were closed"), so the person isn't sent looking for a program that doesn't exist. ### P3-2. The root fixture `takeover_terminals_root.py` is stale and can't run as written I ran it inside a fresh guest overlay with a static x86 `recovery-helper` built from `a93ba2779`, using the script's own runner (`python3 takeover_terminals_root.py <tests>`). Before it would run at all: - It asserts that `/home/claude/mesh-vm.claim` starts with `J379 `, so nobody else can run it without forging that text. I wrote a guest-local file. - `python3 -m unittest takeover_terminals_root` also runs every inherited `EarlierSetup` test against the real system manager, and they all fail. Only the `__main__` runner is valid; say so in the module doc. - On SELinux-enforcing Alma, systemd can't exec the fixture unit from `/root` (`203/EXEC`, admin_home_t). I set the guest permissive for this run only. Results (8 tests): **5 pass**: new terminal between offer and confirm (75), changed record, foreground program changed, terminal opened during the stop, non-terminal holder (73). **3 fail**: - `test_other_account_holder_appearing_after_close_still_refuses` and `test_failure_after_close_restores_the_old_install_and_service` expect **73**, but the branch now (correctly) returns **74** once a terminal has been closed. Their restore assertions come after that line and never ran. - `test_offer_then_confirm_closes_only_the_reviewed_terminal` failed with **75** in 2 of 4 runs. When the offer is read while the new bash is still running its startup child (`…,7074732f30,1,` / `,2,`), the confirm sees a different set. The product's behaviour is safe (nothing closed), but the test races; wait until `others` is 0, or until the foreground is idle, before taking the record. Logs: compute01 `~/.cache/codex-scratch/rv433/evidence/fixture-8tests.log`, `fixture-happy-x3.log`. ### P3-3. A process's executable isn't bound into the fingerprint Same pid, same comm, a different binary: a copy of bash at `/tmp/a/sleep` execs `/tmp/b/sleep` between two reads, and the record's fingerprint is byte-identical (`…de4a21641dc0b3dd6de857f1` both times). It stays inside the reviewed terminal, so the impact is low. Hashing the `exe` dev:ino would close it cheaply, and it's the same identity P2-1 needs. ### P3-4 (hardening, code-only). The old-layout boundary trusts the scope *name* `boundary()` accepts `infraternal-session-<id>.scope` at any depth of the cgroup path, then the shell stops the **system** unit of that name. `reviewed_terminal_process` likewise matches `0::*/infraternal-session-*.scope` at any depth. If the shim sits in a nested cgroup of that name, the processes enumerated and the unit stopped can differ. Setting that up needs root, so this isn't exploitable by an account. Still: compare `systemctl show -p ControlGroup --value <unit>` with the walked cgroup before stopping, or require the scope as a direct child of `system.slice`. ### What holds (tried for real on the guest unless marked) | Attack | Result | |---|---| | This install's shim started by hand inside an ordinary **ssh login** (`session-61.scope`, leader `sshd-session`) | 73, refused | | Shim from a **look-alike base** (`/var/lib/infraternal-x/bin/live`) serving a socket in the real `sessions/` dir, in its own `infraternal-session-*.scope` | 73 (component-wise `starts_with`) | | `sessions/sessions` replaced by a **symlink** | 71 | | Unprivileged `kayg`: socket squatting / writing the login-images dir | `Permission denied` on both (`sessions` is root 0700, images dir root 0755, image 0555) | | Unrelated processes in another ssh login / other `session-N` scopes | never examined: only sockets under the install's `sessions/` start a boundary | | tmux/screen inside a terminal | not installed on the guest. A detached server behaves like the `mydaemon` control above: 73 | | Fake logind leader | code-only: the leader is logind's `LEADER=`, which an account can't make exec the login image; exe dir + `__shim --login-worker` + ppid 1 + membership are all required | | PID reuse between list and close | close is by unit, never by pid; shims are bound by pid+birth and re-checked | | **TOCTOU**: `su kayg -c sleep` in the terminal, a setuid-root child, a new terminal (J379c L5, fixture) | fingerprint changes → 75, nothing closed | | **74** partial close | old install put back, agent enabled+active, unclosed terminal kept (wording: P3-1) | | **legacy1 / Start fresh** | code: terminals force `FreshMode::Confirm`; the generic challenge is nil'd and the server compares challenges exactly (`bootstrap.rs:1985`); a terminal appearing after an automatic check changes `inspect_previous` → 75. The row's quick link opens the list (`wizard.ts`: `!failure.closes`). I found no path that closes without the list | | Take over automation (D370 key joins) | `take_over()` always goes through `await_confirmation` | ### Tests and gates (dev-02, `a93ba2779`) - `cargo test -p infraternal-plugin-remote --features agent,tokio/rt-multi-thread,tokio/macros --lib -- takeover_terminals runtime_lock`: 37 passed, 2 ignored (+1+1). All 11 `takeover_terminals::tests` ok. Without the tokio features the lib test target doesn't compile on its own; that's a feature-unification quirk, not this branch. - `--test takeover_check`: 1 passed. `--test install`: 110 passed, 2 ignored. ssh lib `previous_attempt`: 10 passed. `infraternal-server --features remote,ssh --lib -- takeover`: 5 passed. - `VERIFY_QUICK_BASE=origin/dev scripts/verify quick`: `QUICK_EXIT=0` ("QUICK pre-check passed"). Pre-check only; I didn't rerun `fast` (reviewer rule). ### Evidence compute01 `~/.cache/codex-scratch/rv433/evidence/`: `P1/` (spoof install, snapshots, B's offer/confirm screenshots and flow log), `P74/` (partial close, refusal screenshots), fixture logs. Setup: `setup-P1.out`, `takeover-P1.out`, `takeover-P74.out`. Screenshots of the 74 refusal are attached. **Cleanup:** guest overlays `rv433a/b/c` stopped and deleted, servers stopped, server data dirs removed, dev-02 target and worktree deleted. **Verdict: REQUEST CHANGES.** P2-1 must be fixed: the owner asked that the `(sd-pam)` match be by real identity, and today a name is enough. Also refresh the root fixture (P3-2) so it actually runs. P3-1, P3-3 and P3-4 can land with it or after.

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kayg commented 2026-11-10 05:02:15 +00:00

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J379c round 2 (J462 review, comment 89347): fixes pushed, verify fast running. Head e8e460e84.

Item	Commits	Proof
P2-1 (sd-pam) by identity	4c008e2d9 (red) → f10c46278	Unit: the real helper is accepted; refused with 73 are a /tmp/(sd-pam) named copy, the executor started after the terminals, another uid, a second helper, and an empty executor list. Guest e2e SP (below).
P3-1 74 wording	37ad6ed42 (red) → 77d193638	A refused unit stop, or a service step failing after a close, now exits 79: "…would not stop, so Take over stopped. Terminals it had already closed stay closed and the others are still open. The old install was put back…" (Start fresh has its own variant). 74 now only means every confirmed unit stopped and a holder scan then refused.
P3-2 root fixture	e8e460e84	Claim prefix dropped; doc says disposable guest, root, /root, no existing unit. load_tests collects only its own 8 tests. On enforcing SELinux it skips with the 203/EXEC reason. It waits until the new shell's other-program count is 0 before reading the offer. 73→74 and 73→79 where the branch now answers that.
P3-3 exe in fingerprint	f10c46278	Every member's /proc/<pid>/exe dev:ino is hashed. Unit: the same pid and name running another binary changes the digest.
P3-4 anchored old scope	f10c46278	The old-layout boundary is only /system.slice/infraternal-session-<id>.scope (with nesting below it), and the shell's holder-scan skip uses the same shape. Unit: the scope name under user.slice, under another slice, or at the root is refused.

What the real helper looks like (J311b guest, systemd 257, all four helpers present): exe /usr/lib/systemd/systemd-executor (64516:8449214, root:root 0755, beside /proc/1/exe = /usr/lib/systemd/systemd); parent = the login worker; born 6 ticks after the worker and before any shim or shell; uid = the login's account (user@1001's helper runs as 1001, root logins as 0). The rule: the exe's dev:ino is systemd-executor beside /proc/1/exe, or /proc/1/exe itself (older systemd), each root-owned and not group- or other-writable; it is a tty-less child of the worker with the worker's uid, named (sd-pam); it is born before every other process of the login except the worker; and it is the only such process.

Guest proofs (build e8e460e84, enforcing unless noted):

• SP: a product terminal ran cp /usr/bin/sleep '/tmp/(sd-pam)'; ( setsid '/tmp/(sd-pam)' 99992 … & ). The scope then held the real helper (2645 … exe=/usr/lib/systemd/systemd-executor) and the spoof (2674 ppid=2643 (sd-pam) exe=/tmp/(sd-pam)). Result: takeover_terminals_exit=73, and B was not offered Take over: "…something besides its own terminals is using it… No terminal was closed, and the old install was left as it was found…". Afterwards the spoof, the terminal and owner 601b8aaf… were all still there.
• L1 regression: with the real helper, the offer reads "root, bash on pts/0 and 1 other program, since 10 Nov 2026, 05:49". Confirm closes the terminal, the owner goes from 393e5af8… to e89a62b7…, and B's terminal echo landed.
• Root fixture (fresh guest, permissive for this run only, static recovery-helper from e8e460e84): python3 takeover_terminals_root.py gives Ran 8 tests … OK. That includes the 74 and 79 tests, whose restore assertions now run. The happy path passed 3 of 3 times. python3 -m unittest takeover_terminals_root under enforcing gives Ran 8 tests … OK (skipped=8).

verify quick (dev-02, e8e460e84, base 198c4a736): QUICK_EXIT=0. All new tests ran and passed. The touched bun tests and the 7 wizard specs also pass.

Evidence on compute01 ~/.cache/codex-scratch/j379c/evidence/{SP,L1,FX}/. minipc01 untouched.

**J379c round 2 (J462 review, comment 89347): fixes pushed, `verify fast` running.** Head `e8e460e84`. | Item | Commits | Proof | |---|---|---| | **P2-1** `(sd-pam)` by identity | `4c008e2d9` (red) → `f10c46278` | Unit: the real helper is accepted; refused with 73 are a `/tmp/(sd-pam)` named copy, the executor started after the terminals, another uid, a second helper, and an empty executor list. **Guest e2e SP** (below). | | **P3-1** 74 wording | `37ad6ed42` (red) → `77d193638` | A refused unit stop, or a service step failing after a close, now exits **79**: "…would not stop, so Take over stopped. Terminals it had already closed stay closed and the others are still open. The old install was put back…" (Start fresh has its own variant). 74 now only means every confirmed unit stopped and a holder scan then refused. | | **P3-2** root fixture | `e8e460e84` | Claim prefix dropped; doc says disposable guest, root, `/root`, no existing unit. `load_tests` collects only its own 8 tests. On enforcing SELinux it skips with the 203/EXEC reason. It waits until the new shell's other-program count is 0 before reading the offer. 73→74 and 73→79 where the branch now answers that. | | **P3-3** exe in fingerprint | `f10c46278` | Every member's `/proc/<pid>/exe` dev:ino is hashed. Unit: the same pid and name running another binary changes the digest. | | **P3-4** anchored old scope | `f10c46278` | The old-layout boundary is only `/system.slice/infraternal-session-<id>.scope` (with nesting below it), and the shell's holder-scan skip uses the same shape. Unit: the scope name under `user.slice`, under another slice, or at the root is refused. | **What the real helper looks like** (J311b guest, systemd 257, all four helpers present): exe `/usr/lib/systemd/systemd-executor` (`64516:8449214`, root:root 0755, beside `/proc/1/exe` = `/usr/lib/systemd/systemd`); parent = the login worker; born 6 ticks after the worker and before any shim or shell; **uid = the login's account** (user@1001's helper runs as 1001, root logins as 0). The rule: the exe's dev:ino is `systemd-executor` beside `/proc/1/exe`, or `/proc/1/exe` itself (older systemd), each root-owned and not group- or other-writable; it is a tty-less child of the worker with the worker's uid, named `(sd-pam)`; it is born before every other process of the login except the worker; and it is the only such process. **Guest proofs** (build `e8e460e84`, enforcing unless noted): - **SP**: a product terminal ran `cp /usr/bin/sleep '/tmp/(sd-pam)'; ( setsid '/tmp/(sd-pam)' 99992 … & )`. The scope then held the real helper (`2645 … exe=/usr/lib/systemd/systemd-executor`) and the spoof (`2674 ppid=2643 (sd-pam) exe=/tmp/(sd-pam)`). Result: `takeover_terminals_exit=73`, and B was **not offered** Take over: "…something besides its own terminals is using it… No terminal was closed, and the old install was left as it was found…". Afterwards the spoof, the terminal and owner `601b8aaf…` were all still there. - **L1 regression**: with the real helper, the offer reads "root, bash on pts/0 and 1 other program, since 10 Nov 2026, 05:49". Confirm closes the terminal, the owner goes from `393e5af8…` to `e89a62b7…`, and B's terminal echo landed. - **Root fixture** (fresh guest, permissive for this run only, static `recovery-helper` from `e8e460e84`): `python3 takeover_terminals_root.py` gives **Ran 8 tests … OK**. That includes the 74 and 79 tests, whose restore assertions now run. The happy path passed 3 of 3 times. `python3 -m unittest takeover_terminals_root` under enforcing gives `Ran 8 tests … OK (skipped=8)`. `verify quick` (dev-02, `e8e460e84`, base `198c4a736`): `QUICK_EXIT=0`. All new tests ran and passed. The touched bun tests and the 7 wizard specs also pass. Evidence on compute01 `~/.cache/codex-scratch/j379c/evidence/{SP,L1,FX}/`. minipc01 untouched.

kayg commented 2026-11-10 11:40:16 +00:00

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J379c round 2 finish (J462 review, comment 89347). Head e8e460e847a2d2b5b51fed1a6cbc82990536b60b on takeover-close-terminals-d368, pushed and confirmed with git ls-remote. Not merged, not deployed; minipc01 not touched. The details and guest proofs are in comment 89398.

Commits: 4c008e2d9 (red) → f10c46278 P2-1/P3-3/P3-4 · 37ad6ed42 (red) → 77d193638 P3-1 · e8e460e84 P3-2 fixture.

• P2-1: (sd-pam) is accepted only by identity. Its exe dev:ino must be systemd-executor beside /proc/1/exe (or /proc/1/exe), root-owned and not group- or other-writable. It must be a tty-less child of the worker with the worker's uid, born before every other process of the login except the worker, and the only one. SP guest e2e: a detached /tmp/(sd-pam) started from a product terminal → 73, no offer, nothing closed. L1: the real helper is still accepted and Take over completes.
• P3-1: a unit that won't stop, or a service step failing after a close, now exits 79 with "…the others are still open…". 74 now only means every confirmed terminal closed and a holder then refused.
• P3-2: the root fixture runs. Ran 8 tests … OK on a fresh guest (permissive); the happy path passed 3 of 3; unittest collects only its 8 tests and skips them under enforcing.
• P3-3: exe dev:ino is in the fingerprint. P3-4: an old scope counts only as a direct child of system.slice, in both the helper and the shell.

Gates

• verify quick (dev-02, e8e460e84, base 198c4a736): QUICK_EXIT=0. All new unit tests ran and passed. Touched bun tests: BUN_EXIT=0. Wizard specs: 7 passed.
• verify fast (compute01, e8e460e84), second run, verbatim:

FAST_START 2026-11-10T09:54:02Z e8e460e847a2d2b5b51fed1a6cbc82990536b60b
| Rust gate                 | Result       |
+---------------------------+--------------+
| Nix Cargo vendoring       | PASS         |
| fmt                       | PASS         |
| migration names           | PASS         |
| migration tooling tests   | PASS         |
| VT native fmt             | PASS         |
| CLI plugin compile-out    | PASS         |
| clippy                    | PASS         |
| SSH runtime test helper   | PASS         |
| real-binary fixture paths | PASS         |
| Traefik component manifest | PASS         |
| release component publication | PASS         |
| test                      | PASS         |
| SSH inode reuse fixture   | PASS         |
| shim process-per-user     | PASS         |
| cargo-deny                | PASS         |
| gate architecture         | PASS         |
| doc coverage ratchet      | PASS         |
| shape lints off (D351)    | PASS         |
| doc comments on diff      | PASS         |
| fixed test waits          | PASS         |
| privileged integration    | PASS         |
| probe release exclusion   | PASS         |
| nightly fuzz reporter     | PASS         |
| nightly browser suite reporter | PASS         |
| static builds             | PASS         |
+---------------------------+--------------+
x86_64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS
aarch64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS
1 tests failed:
(fail) a closing notice cannot hide its replacement [3.25ms]

 655 pass
 655 pass
 1 fail
FAST_EXIT=1

Every Rust row passes. The one tracer failure, startup-toast.test.ts "a closing notice cannot hide its replacement", is pre-existing on dev. It fails alone on unmodified origin/dev 198c4a736 (this branch's merge base) and 547a48885. Dev fixed it after my base in 4055a0590 (#479); on the dev tip d7b2e4dc1 it passes alone. This branch doesn't touch that file or packages/ui.

The first fast run at this head failed only infraternal-agent sessions::tests::slow_hello_failure_still_closes_the_detached_session_it_started, with Text file busy (os error 26) (an exec race under load). That crate is untouched by this branch; the test passed 3 of 3 alone, and the full rerun above passed the test row. Log: fast-3-etxtbsy.log.

Cleanup: guests stopped and overlays deleted, compute01 and dev-02 targets removed, no processes left. Evidence: compute01 ~/.cache/codex-scratch/j379c/evidence/{SP,L1,FX}/ and fast.log.

**J379c round 2 finish (J462 review, comment 89347).** Head **`e8e460e847a2d2b5b51fed1a6cbc82990536b60b`** on `takeover-close-terminals-d368`, pushed and confirmed with `git ls-remote`. Not merged, not deployed; minipc01 not touched. The details and guest proofs are in comment 89398. Commits: `4c008e2d9` (red) → `f10c46278` P2-1/P3-3/P3-4 · `37ad6ed42` (red) → `77d193638` P3-1 · `e8e460e84` P3-2 fixture. - **P2-1:** `(sd-pam)` is accepted only by identity. Its exe dev:ino must be `systemd-executor` beside `/proc/1/exe` (or `/proc/1/exe`), root-owned and not group- or other-writable. It must be a tty-less child of the worker with the worker's uid, born before every other process of the login except the worker, and the only one. **SP guest e2e:** a detached `/tmp/(sd-pam)` started from a product terminal → 73, no offer, nothing closed. **L1:** the real helper is still accepted and Take over completes. - **P3-1:** a unit that won't stop, or a service step failing after a close, now exits 79 with "…the others are still open…". 74 now only means every confirmed terminal closed and a holder then refused. - **P3-2:** the root fixture runs. `Ran 8 tests … OK` on a fresh guest (permissive); the happy path passed 3 of 3; `unittest` collects only its 8 tests and skips them under enforcing. - **P3-3:** exe dev:ino is in the fingerprint. **P3-4:** an old scope counts only as a direct child of `system.slice`, in both the helper and the shell. **Gates** - `verify quick` (dev-02, `e8e460e84`, base `198c4a736`): `QUICK_EXIT=0`. All new unit tests ran and passed. Touched bun tests: `BUN_EXIT=0`. Wizard specs: 7 passed. - `verify fast` (compute01, `e8e460e84`), second run, verbatim: ```text FAST_START 2026-11-10T09:54:02Z e8e460e847a2d2b5b51fed1a6cbc82990536b60b | Rust gate | Result | +---------------------------+--------------+ | Nix Cargo vendoring | PASS | | fmt | PASS | | migration names | PASS | | migration tooling tests | PASS | | VT native fmt | PASS | | CLI plugin compile-out | PASS | | clippy | PASS | | SSH runtime test helper | PASS | | real-binary fixture paths | PASS | | Traefik component manifest | PASS | | release component publication | PASS | | test | PASS | | SSH inode reuse fixture | PASS | | shim process-per-user | PASS | | cargo-deny | PASS | | gate architecture | PASS | | doc coverage ratchet | PASS | | shape lints off (D351) | PASS | | doc comments on diff | PASS | | fixed test waits | PASS | | privileged integration | PASS | | probe release exclusion | PASS | | nightly fuzz reporter | PASS | | nightly browser suite reporter | PASS | | static builds | PASS | +---------------------------+--------------+ x86_64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS aarch64-unknown-linux-musl: +102400 bytes accepted with delta; zero/negative deltas reported; missing/wrong/dynamic/PT_INTERP/inspection defects rejected PASS 1 tests failed: (fail) a closing notice cannot hide its replacement [3.25ms] 655 pass 655 pass 1 fail FAST_EXIT=1 ``` Every Rust row passes. The one tracer failure, `startup-toast.test.ts` "a closing notice cannot hide its replacement", is pre-existing on dev. It fails alone on unmodified origin/dev `198c4a736` (this branch's merge base) and `547a48885`. Dev fixed it after my base in `4055a0590` (#479); on the dev tip `d7b2e4dc1` it passes alone. This branch doesn't touch that file or `packages/ui`. The first `fast` run at this head failed only `infraternal-agent` `sessions::tests::slow_hello_failure_still_closes_the_detached_session_it_started`, with `Text file busy (os error 26)` (an exec race under load). That crate is untouched by this branch; the test passed 3 of 3 alone, and the full rerun above passed the `test` row. Log: `fast-3-etxtbsy.log`. Cleanup: guests stopped and overlays deleted, compute01 and dev-02 targets removed, no processes left. Evidence: compute01 `~/.cache/codex-scratch/j379c/evidence/{SP,L1,FX}/` and `fast.log`.

kayg commented 2026-11-10 11:44:42 +00:00

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J474 fix-check (round 2) started. Reviewing takeover-close-terminals-d368 at e8e460e847a2d2b5b51fed1a6cbc82990536b60b against J462's review (89347) and the finish (89527). Merge with origin/dev d7b2e4dc1 = scratch b0bf93e83 (branch j474-review-merge, deleted at the end; the reviewed branch is not pushed to). verify fast on that merge is running on compute01 (~/.cache/codex-scratch/j474/evidence/fast.log). Plan: read the P2-1 identity check for exec, hard link, bind mount, PID reuse and namespace bypasses (≈45 min), then re-run guest proofs SP and L1 on a fresh J311b overlay on compute01 (≈60 min). minipc01 not touched.

**J474 fix-check (round 2) started.** Reviewing `takeover-close-terminals-d368` at `e8e460e847a2d2b5b51fed1a6cbc82990536b60b` against J462's review (89347) and the finish (89527). Merge with origin/dev `d7b2e4dc1` = scratch `b0bf93e83` (branch `j474-review-merge`, deleted at the end; the reviewed branch is not pushed to). `verify fast` on that merge is running on compute01 (`~/.cache/codex-scratch/j474/evidence/fast.log`). Plan: read the P2-1 identity check for exec, hard link, bind mount, PID reuse and namespace bypasses (≈45 min), then re-run guest proofs SP and L1 on a fresh J311b overlay on compute01 (≈60 min). minipc01 not touched.

kayg commented 2026-11-10 14:57:58 +00:00

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J474b fix-check started. Review target: takeover-close-terminals-d368 at e8e460e847a2d2b5b51fed1a6cbc82990536b60b; scratch merge base: origin/dev d7b2e4dc1 (j474-merge b0bf93e83). Plan: review the privileged helper match and kill boundary (including exec, links/mounts, PID reuse and namespaces); verify and clean the prior J474 guest; reproduce SP and L1 on a fresh guest; run scripts/verify fast on compute01. No push; minipc01 untouched. Estimate: about 2 hours plus build-slot wait.

J474b fix-check started. Review target: `takeover-close-terminals-d368` at `e8e460e847a2d2b5b51fed1a6cbc82990536b60b`; scratch merge base: `origin/dev d7b2e4dc1` (`j474-merge b0bf93e83`). Plan: review the privileged helper match and kill boundary (including exec, links/mounts, PID reuse and namespaces); verify and clean the prior J474 guest; reproduce SP and L1 on a fresh guest; run `scripts/verify fast` on compute01. No push; minipc01 untouched. Estimate: about 2 hours plus build-slot wait.

kayg commented 2026-11-10 15:08:55 +00:00

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Guest cleanup before my rerun: compute01 still had J474's L1 QEMU guest (PID 3483325, forwarded port 22379) with open files /root/j379c-vm/j474L1.qcow2 and j474L1.console.log. I verified the open files against the live process, stopped it through a pidfd, removed only those J474 files and the matching pidfile, and left the J311b seed/base untouched. The guest process and J474 overlay are absent; no host-side processes reference the J474 scratch path. Two other QEMU guests use unrelated ports and have no J474 argv/open files, so I left them running. Receipt: ~/.cache/codex-scratch/j474b/evidence/guest-cleanup.log.

Guest cleanup before my rerun: compute01 still had J474's L1 QEMU guest (PID 3483325, forwarded port 22379) with open files `/root/j379c-vm/j474L1.qcow2` and `j474L1.console.log`. I verified the open files against the live process, stopped it through a pidfd, removed only those J474 files and the matching pidfile, and left the J311b seed/base untouched. The guest process and J474 overlay are absent; no host-side processes reference the J474 scratch path. Two other QEMU guests use unrelated ports and have no J474 argv/open files, so I left them running. Receipt: `~/.cache/codex-scratch/j474b/evidence/guest-cleanup.log`.

kayg commented 2026-11-10 15:24:33 +00:00

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Update: after fetching, current origin/dev is 4889dfaf16a95203882f745187bcb99368ca1a54, newer than J474's d7 scratch merge. I will run the gate on a fresh scratch merge of review head e8e460e847a2d2b5b51fed1a6cbc82990536b60b with that current dev head. J474's old scratch worktree stays untouched; no push.

Update: after fetching, current `origin/dev` is `4889dfaf16a95203882f745187bcb99368ca1a54`, newer than J474's d7 scratch merge. I will run the gate on a fresh scratch merge of review head `e8e460e847a2d2b5b51fed1a6cbc82990536b60b` with that current dev head. J474's old scratch worktree stays untouched; no push.

kayg commented 2026-11-10 16:05:31 +00:00

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J474b progress: the local and compute01 scratch merges both contain review head e8e460e84 plus current origin/dev 4889dfaf16a95203882f745187bcb99368ca1a54 (merge tree 9a88ba24e). I verified the prior J474 QEMU is stopped and its overlay is absent; J311b base/seed remain intact. scripts/verify quick has acquired a compute01 build slot and is still compiling; raw log: ~/.cache/codex-scratch/j474b/evidence/quick.log. scripts/verify fast follows in the same slot. Next: fresh J311b-derived guest runs for SP and L1, then verdict. No push; minipc01 untouched.

J474b progress: the local and compute01 scratch merges both contain review head `e8e460e84` plus current `origin/dev` `4889dfaf16a95203882f745187bcb99368ca1a54` (merge tree `9a88ba24e`). I verified the prior J474 QEMU is stopped and its overlay is absent; J311b base/seed remain intact. `scripts/verify quick` has acquired a compute01 build slot and is still compiling; raw log: `~/.cache/codex-scratch/j474b/evidence/quick.log`. `scripts/verify fast` follows in the same slot. Next: fresh J311b-derived guest runs for SP and L1, then verdict. No push; minipc01 untouched.

kayg commented 2026-11-10 17:17:56 +00:00

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J474b progress (review tree 1073bcd2, target e8e460e84 + origin/dev 4889dfaf). The prior J474 guest is stopped and its overlay is absent; J311b base/seed remain intact. Compute01 fast is still running in its existing slot; I am not starting another gate.

Findings from the merged source:

• P2: takeover_terminals.rs:405-422 accepts the unique executor candidate when its /proc/PID/stat start tick equals the earliest member tick. It does not require a unique earliest member. On compute01, CLK_TCK=100 (10 ms/tick). A same-account process can execute the accepted systemd inode, set comm=(sd-pam), and be adopted as a direct child by the login worker's subreaper. If the genuine helper is gone and the spoof ties the earliest remaining member's tick, it is the sole candidate and is omitted from the terminal row. The current unit test at takeover_terminals_tests.rs:304-350 covers a different executable, a later executor and a second helper, but not the equal-tick/helper-absent case. I am checking the real login process records in L1.
• P3: previous_attempt.sh:1419-1429 returns 79 when systemctl disable fails after a terminal was closed, then returns 73 for a post-close daemon-reload failure (the exit trap maps that to 74). The mapped messages in previous_attempt.rs:478-489 respectively say a terminal/service would not stop and other terminals remain open, or that another holder was found. Those causes are not true for the disable/daemon-reload paths. Before any close, stop/disable-manager errors also map to 73 and the “something else is using it” message without a holder proof. The root fixture explicitly exercises disable-failure-after-close at takeover_terminals_root.py:297-313.

Next: fresh SP and L1 guests, final fast output, then verdict. No product files changed or pushed; minipc01 remains untouched.

J474b progress (review tree 1073bcd2, target e8e460e84 + origin/dev 4889dfaf). The prior J474 guest is stopped and its overlay is absent; J311b base/seed remain intact. Compute01 fast is still running in its existing slot; I am not starting another gate. Findings from the merged source: - P2: `takeover_terminals.rs:405-422` accepts the unique executor candidate when its `/proc/PID/stat` start tick equals the earliest member tick. It does not require a unique earliest member. On compute01, CLK_TCK=100 (10 ms/tick). A same-account process can execute the accepted systemd inode, set `comm=(sd-pam)`, and be adopted as a direct child by the login worker's subreaper. If the genuine helper is gone and the spoof ties the earliest remaining member's tick, it is the sole candidate and is omitted from the terminal row. The current unit test at `takeover_terminals_tests.rs:304-350` covers a different executable, a later executor and a second helper, but not the equal-tick/helper-absent case. I am checking the real login process records in L1. - P3: `previous_attempt.sh:1419-1429` returns 79 when `systemctl disable` fails after a terminal was closed, then returns 73 for a post-close `daemon-reload` failure (the exit trap maps that to 74). The mapped messages in `previous_attempt.rs:478-489` respectively say a terminal/service would not stop and other terminals remain open, or that another holder was found. Those causes are not true for the disable/daemon-reload paths. Before any close, stop/disable-manager errors also map to 73 and the “something else is using it” message without a holder proof. The root fixture explicitly exercises disable-failure-after-close at `takeover_terminals_root.py:297-313`. Next: fresh SP and L1 guests, final fast output, then verdict. No product files changed or pushed; minipc01 remains untouched.

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