The overlay was the last fixed cost bypassing the session: a whole JVM start,
15.8 s in the measured Node runs, while the census and query batches already route
through it.
`save` writes under the process working directory, which for a session is its own
private scratch rather than the build scratch, so the saved graph is now looked for
in both. Finding neither keeps the raw graph and records it rather than reporting
success, because a graph without its dataflow layer has that layer recomputed by
every later batch, 54 s each on a 637-file plugin, with nothing otherwise saying so.
The disposable invocation remains the fallback and runs unchanged whenever the
session is off or cannot answer.
Controls cover both new paths: an engine that reports success but saves no graph
keeps the raw one and notes it, and a graph saved under the session's workspace is
found and applied.
1,395 tests passed, nine skipped. The transport stays off by default; task 11.5
measures against the frozen profile. Rollout stays NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
JVM startup, not analysis, is what a push scan spends its time on: each disposable
script invocation costs 13 to 23 seconds while the work takes under a second.
The session owns one Joern server per transaction on loopback with an OS-chosen
port and no published port. Three properties are load-bearing, and the probe that
settled the design demonstrated why each is needed.
An HTTP status is not an answer. The server returns success even for a compile
error, with the diagnostic in its body, so every request redirects the evaluated
code's console output into a fresh private file behind a nonce, and the nonce is
verified before the answer is accepted. The engine's body is retained for exactly
the case where the receipt is missing, without which that failure explains nothing.
A poisoned session answers nothing afterwards, and cancellation kills the process
group rather than the launcher, which this project has already run a machine out of
memory by neglecting.
What the probe established about the engine, after three iterations that each
failed loudly: runScript is absent from the server REPL; a shipped @main script
cannot be nested in a block expression, so definitions go to the top level
unwrapped; and the REPL shadows Console with io.joern.console.Console, which has no
withOut, so capture must qualify scala.Console. With that fixed, both mechanisms
answer identically to the disposable invocation, 0.8 s against 9.8 s.
The backend routes batch and single queries through the session only when
session_transport is enabled, which it is not by default. Any failure falls back to
the disposable invocation rather than reporting a zero, and each script is defined
under its own name because every script declares exec.
Equivalence for taint, dominance and configuration is task 11.2 and gates any
measured run. 1,391 tests passed, nine skipped. Rollout stays NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
The M1b exit run established the comparison but could not show a developer-readable
consequence or repair direction, because both belong to an evaluated capability
declaration and the installed registry is deliberately empty.
The experimental evaluation output now renders, for each change-attributed finding,
its family, exact location, witness, change attribution, provenance, engine method
and operation, together with a consequence and repair direction produced from a
supplied declaration through the same grounded-template path the admitted case
uses. No prose is invented: when no declaration matches, or a template is not
grounded in the operation and context, or the declaration does not cover the
operation symbol, the explanation is absent and the reason is stated.
Declarations reach this rendering only. The runner never passes them to admission,
so nothing in that file can enable a capability or emit an alert however it is
written, and a control asserts that even a declaration claiming PASS admits
nothing. The flag requires explicit base/head replay and the recorded-veto flag.
The evaluation instrument generates its own unreviewed declaration bound to the
run's analysis semantics, asserting that it is neither enabled nor PASS, so the
demonstration cannot drift into a qualified claim.
1,377 tests passed, nine skipped. Rollout stays NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
The runner handed every candidate the whole transaction's coverage reason list as
its unresolved dependencies, so admission always answered dependency_unresolved.
That list even included other candidates' comparison outcomes, so one unresolved
comparison anywhere marked every other claim as having an unresolved dependency.
Gaps are now attributed. A boundary carrying a question id counts only when that
question is in this candidate's required comparison scope, the same scope 10.2
established. A gap nothing attributed to any question always counts, because
unknown ownership is not evidence of independence. Integrity degradations count.
A declared exclusion, a correspondence ambiguity and a bounded reachability do
not, because each was already weighed against this specific claim: the first is a
scope choice, the second is decided per operation, and the third is decided per
claim by the comparison.
Found by the M1b production rerun rather than by the suite: the comparison reached
a correct new verdict and admission still rejected it for a dependency belonging
to unrelated questions. It is not an M1b exit blocker, since eligibility stays
disabled, but it would have blocked admission forever once capabilities qualify.
1,371 tests passed, nine skipped. Rollout stays NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
The NodeGoat rerun after 10.4-10.6 showed both target questions completing, which
is what those tasks were for, but the comparison still reported
head_context_incomplete. Two checks inside comparison had not been updated with
the same distinction: any degradation blocked, and any scope boundary blocked.
A declared exclusion and a correspondence ambiguity both reached those checks. The
first is a scope choice rather than a failure to read the graph, and the second is
decided per operation since 10.3, so neither should block a claim. Both remain in
aggregate coverage. Integrity degradations, unknown ownership and every other
boundary still block, and bounded reachability is still filtered separately
because it blocks only claims resting on a flow not having been traced.
1,368 tests passed, nine skipped. Rollout stays NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
vendor_semantics_unresolved was grouped with the graph integrity failures, so any
declared exclusion demoted every otherwise complete answer in the repository to
graph_incomplete. Every real repository excludes its dependencies, so this fired
on all of them, including on a complete first-party census with successful query
receipts.
Graph boundaries are now split by what they mean. An integrity failure says the
graph could not be read or is incomplete, so an answer drawn from it is demoted:
unparsed files, an empty or sharded graph, an incomplete or unavailable census,
an unresolved symlink, an unsupported frontend, unreadable source, an ambiguous
frontend path and unvalidated TypeScript property support all keep that behavior.
A declared exclusion is a deliberate scope choice. It stays physical, stays out of
targets and graphs, and stays reported in coverage, but it is not evidence that a
first-party answer is wrong.
Whether a particular answer needed the excluded semantics is carried by that
question's own unresolved call destinations, recorded per question in 10.5, rather
than assumed for every answer in the repository.
Controls exercise the real partition logic rather than an injected reason: a
vendored directory leaves the answer completed with the exclusion still reported,
an unresolved symlink still demotes, and the two together still demote.
1,365 tests passed, nine skipped. Rollout stays NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
dynamic_external_or_depth_context_unresolved was applied as though it invalidated
everything about a question. It does not. Bounded reachability can hide further
flows; it cannot invalidate a flow that was traced, and it cannot remove a call
from a structurally scoped enumeration.
At scan level the boundary is now recorded against its owning question without
demoting that question's answer. An unavailable context projection, an empty
context scope and an unreadable method extent are unknown ownership and still
demote.
In comparison it no longer blocks the head's own claim, since the finding rests
on a path that was actually traced, and no longer blocks an absence read off the
enumerated inventory. It still blocks every claim that rests on a flow not having
been traced, including the anchored source-connection branch, which now reports
base_reachability_bounded rather than silently passing.
The query declares the basis of its enumeration. A file- or nesting-scoped
question walks calls structurally, so an unresolved destination cannot remove one
from scope. Following the call graph makes the reachable set the scope, so the
same unresolved destination can shrink what was enumerated; that inventory cannot
establish absence while reachability is bounded, and says so.
One prior control asserted a question's own reachability gap blocks its own
claim. It is updated with its reason and split, so an own projection gap is still
proven to block while an own reachability gap no longer does.
1,362 tests passed, nine skipped. Rollout stays NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
A taint answer reports traced flows, so an absent row means either that the
operation is not present or that no traced path reached it. Change comparison
needs that distinction to say a change introduced an operation, and reachability
is deliberately bounded, so the two can never be separated from flow rows alone.
That is why the veto guarding the confusion is permanently true on any real
Express application, and why it could be neither discharged nor safely removed.
The taint query now exports one row per operation it enumerated in scope, plus a
completion marker. The marker is what makes an empty inventory meaningful:
without it a scope that was never enumerated and a scope holding no such
operation are indistinguishable.
Comparison separates three outcomes on a changed line: the operation is present
in the base without a traced flow, which is a reachability statement and not
novelty; the operation is absent from an enumerated base, which establishes that
the change introduced it; or the base scope was never enumerated, which stays
explicitly unresolved. A malformed inventory row is not an empty inventory.
The arbiter now skips any row carrying a kind, so an inventory row cannot be
normalized into a flow with an empty source that names no attacker input.
Verified against the real engine on an authored two-revision JavaScript control:
the operation is enumerated on both sides, the base carries it with zero traced
flows, the zero-operation marker appears for an empty scope, and answers and
findings are unchanged. No new sink inference, alias resolver or second source
IR. 1,354 tests passed, nine skipped. Rollout stays NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
Rerunning the three NodeGoat revisions after tasks 10.1-10.3 shows the recorded
view now classifies the case: the vulnerable revision reaches new with
operation_absent_from_comparable_base, and the unchanged revision reaches
unchanged with its base location resolved to the same lines. Both previously
stopped at operation_correspondence_unresolved and witness_identity_unresolved.
The rerun also caught a defect in the repair itself: the new novelty reason was
missing from the admission allowlist, so admission rejected the candidate as
change_unsupported. Fixed with a control.
The production path is still blocked by the last two vetoes, and the measurement
shows neither can be scoped or relaxed as the plan described. A taint answer
reports traced flows, so an absent row means either that the operation does not
exist in the base or that no traced flow reached it.
dynamic_external_or_depth_context_unresolved exists to stop the second being read
as the first, and removing it would turn a wrong absence into a wrong new
finding. It is also computed over every in-scope method, so on any real Express
application it is always true and can never be discharged, which is why the tool
reports nothing on real projects.
The resolution is new evidence rather than a relaxed rule: export the operations
the query actually enumerated, separately from the flows it traced, so absence is
established from the inventory while a traced-flow claim still requires complete
reachability. That is now task 10.4, ahead of the two vetoes it unblocks, and it
adds no detector, alias resolver or second source IR.
1,348 tests passed, nine skipped. No capability enabled; rollout stays NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
Two vetoes M1a recorded were global where the evidence is local.
Comparison required every selected base question to complete, so one unsupported
family anywhere prevented an otherwise complete target comparison. Completeness
is now demanded over the required scope: the counterpart question plus the
dependencies the change context actually recorded for it. Every other gap stays
in aggregate coverage and is still reported, never discharged. An incomplete
counterpart, an incomplete recorded dependency, an unknown-ownership boundary
and a truncated base scan all still yield unknown.
Correspondence ambiguity was recorded file-wide and inherited by every question,
so repeated unchanged lines in one file invalidated every question in the
repository and blocked the whole transaction comparison. It is now decided per
operation by the correspondence classifier: an operation needing an ambiguous
anchor stays uncomparable, while a uniquely mapped or newly introduced operation
in the same file is unaffected. The mapping is still withheld and still reported.
On the NodeGoat case the ambiguity is on the target's own file, so file-level
scoping would not have been enough; only per-operation resolution is.
1,347 tests passed, nine skipped. No capability enabled; rollout stays NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
M1a measured that a newly introduced operation sits on a changed line, has no
base line anchor, and therefore stayed unclassified even with every completeness
veto lifted. Establish absence over the complete counterpart answer instead of
over a line anchor.
Correspondence now reports why a head operation does not map: `changed_line`
inside a recorded head edit, `ambiguous` where several base lines could
correspond, or `unmapped` where no anchor exists. Only the first supports
reasoning about an introduced operation, and only when the base counterpart
answer is complete and contains no operation with that spelling.
Movement is matched on the operation spelling alone, so a benign identifier
rename that changes only the source text reads as movement rather than a new
flow. The existing rename control caught that; the key was too brittle before.
One prior control is superseded and updated with its reason: a new operation on
a changed line in a comparable existing file is now new rather than unknown.
Movement, ambiguity, unmapped operations, discharged or unentailed claims and an
incomplete or failed base all remain unknown.
1,337 tests passed, nine skipped. No capability enabled; rollout stays NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
Add group 9 to the approved task plan as the bounded owner amendment release
milestone M1a requires, implement the task-local recorded-veto evaluation flag,
and run the three pinned NodeGoat revisions under it.
The flag re-runs the production comparison and admission over a lifted copy of
the same evidence and records each veto instead of applying it. Recognized
completeness vetoes are lifted and logged; failures never are, because silence
from a failure is not a quiet fixed twin. It is off by default, accepted only on
explicit base/head replay, refused in Git stdin mode, labels every payload it
produces, and admits no defect even when a lifted candidate otherwise would.
M1a outcome, inside its one-week box and with expectations frozen on disk first:
the three entailed <lambda>2 witnesses are present at contributions.js 32-34; the
fixed twin was genuinely analyzed and quiet, answering its target question with
zero rows and no deadline reason while the same findings appear as base-only; the
unchanged revision was analyzed and recorded unchanged. The kill criterion did
not trigger.
Five vetoes fired and were recorded. M1a also corrected the diagnosis: with all
five lifted the detection still stops at operation_correspondence_unresolved,
because a newly introduced operation sits on a changed line and has no base
anchor. The unchanged revision resolves its base location on the same lines and
classifies as unchanged, which isolates correspondence as the mechanism. That
fifth veto was not in the earlier four-veto diagnosis and is now M1b's central
repair.
Diagnosis only. No defect admitted, no capability enabled, no gate changed, no
latency claim; the 900-second development budget cannot measure the hook gate.
Rollout and task 8.3 remain NO-GO.
Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo
Two decisions the maintainer made, as rows rather than constants. A vendored tree (vendor/, node_modules/,
third_party/) is somebody else's unit: out of the targets in preprocess and out of the graph through the
frontend's --exclude, which the scan hands to the backend because the CPG seam imports only the standard
library. A test path (tests/, test-*.php, *Test.php) stays in scope -- a test that reaches a sink still
names the sink -- but its regions are not shipped and order after the product's. Measured before the row:
207 of WP Statistics's 357 PHP files were vendored, and 14 of the 67 regions ahead of MW WP Form's CVE
were test files. The position benchmark applies both, so it measures the order the scan spends.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
php2cpg drives PHP-Parser through `php` from a script inside its own install. A second install the
containerised interpreter had no mount for parsed 1 of 637 files and exited 0 -- caught by the build
census, and now refused by name before any build. On 4.0.625 with the closure exclusion gated off:
pmpro 637 of 637 in 100 s, WP Statistics 115 s with only the two data tables excluded. Phase-2 v5
verdict and the within-tier reading recorded in the brief.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
v5 (parameter-fed carried confirmed by the exact flow): pmpro 69, wpstatistics 172, mwwpform 68,
vampi 16. Reading the recorded head of each order: every region ahead of a CVE is in its tier on a tied
or higher score, and 10 of the 67 ahead of MW WP Form's are test-mail.php. The build's own word on what
is product was on the region and not in the vector; it is now, at -2.0 for an unshipped file. Orders
only, never promotes.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
Structural carried (v3) measured: pmpro 391 -> 69, wpstatistics 504 -> 172, mwwpform 513 -> 68 -- and
tier 4 swollen to 555 and 569 regions, because "assigned from a parameter" was folded in with "assigned
from a source" and every constructor does the former. The query now reports carriedKind; the vector
promotes on "source" and gives "parameter" a within-tier weight of 0.75.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
budget_at_recall by a real evidence pass over every region: pmpro 391 -> 116, wpstatistics 504 -> 223,
mwwpform 513 -> 292, vampi 16 -> 16. The gate (< 50) is not met. pmpro's CVE is inside its 121 tier-4
regions; WP Statistics's and MW WP Form's are one tier low because `carried` -- stage one of the
two-stage join -- was not reported as evidence. taint.sc now reports it where a sink exists, and the
vector reads the query's answer when given.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
joern#6281 is closed as fixed in v4.0.625 (verified here on the reproducer). The version is read off the
jar beside the launcher; below 4.0.625 the miscompiled file is still excluded, at or above it nothing is,
and an install whose version cannot be read keeps the workaround.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
WP Statistics's first region is JavaScript, and a build asked for as JavaScript went looking for
jssrc2cpg, failed both launchers, lost the whole run's output and left a 9.6 MB scratch directory behind.
Also notes upstream: joern#6281 is fixed in v4.0.625.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
One flatten too many turned "base,controlflow,typerel,callgraph,dataflowOss" into "b,a,s,e,...", and
every real build then warned that its graph lacked the dataflow layer while carrying it. The compile test
now asserts the shape on a real graph.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
`Evidence.score` orders pairs within a tier by one table of weights (open sinks, cleansed sinks, local /
carried / near sources, entry, declared public), capped so volume stops counting, and zero for tier 0 so
the weights can rank but never manufacture. `ScanBudget.order_by_evidence` runs the evidence pass over
every region and cuts `max_regions` from each region's best (tier, score); `order_by_evidence()` is the
one ordering function, used by the scan and by `benchmarks/ranking/position.py --evidence`. Off by
default until the position benchmark says where the pinned CVEs land under it.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
Three checks for three findings that were each silently wrong for a day (task 5.13). A clean build whose
census cannot be taken inside the query timeout is a failed build, by name: every later query would time
out and read as "nothing here", and the launcher fallback no longer rebuilds the same graph without
asking again. The census now carries the graph's saved overlays and the worker JVM's actual heap, and the
backend warns when the dataflow layer is missing (every batch would recompute it) or the heap is not the
configured one (the knob is not reaching the JVM that matters). An empty tree counts as complete, not as
a failed count.
Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
