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[GH-ISSUE #5824] [Bug] Native IDA metadata timeouts lose the requested analysis operation #3520
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opened 2026-10-31 00:41:26 +00:00 by bsakaguchi
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Originally created by @coygeek on GitHub (Oct 21, 2026).
Original GitHub issue: https://github.com/morluto/rea/issues/5824
Before submitting
Area
Native analysis or decompilation
Observed behavior
Executed the public CLI command
node scripts/rea.mjs decompile <fixture.elf> main --provider ida --jsonagainst a local simulated native attached MCP provider. Initialization and tool discovery succeeded. When the provider leftresources/readforida://idb/metadataunanswered, REA exited withprovider_timeoutbut identified the failed operation asida_mcp_read_resourceindetails.operation,recovery.operation, the message and recovery guidance. The accepted analysis operation wasprocedure_pseudo_code.A control using the same registration/profile and a valid metadata response completed decompilation and returned
operation: "procedure_pseudo_code". These are adapter/CLI observations with a fixture, not real IDA observations.Reproduction
src/ida/repro.test.ts. It uses the existing CLI and ELF fixtures, starts only a loopback HTTP server, runs a successful control and a stalled-resource case, and closes the server afterward. SetHOME,XDG_CONFIG_HOMEandTMPDIRto separate directories inside a disposable local workspace before running; the CLI children also receive the suite's isolated workspace environment.npm run test:local -- src/ida/repro.test.ts. The same body reproduced the timeout case once and passed the success control once. The assertions below describe the observed defective attribution, so a passing test confirms the defect. Delete the test afterward.Expected behavior
Identify the accepted
procedure_pseudo_codeoperation in the timeout and recovery fields, while retainingprovider_timeout, retryability, the actual 500 ms request budget, captured output and any cleanup facts. Preserve the metadata-resource stage separately as diagnostic context.The applicable selected-runtime contract says failures are reported at the operation requiring that runtime. Metadata acquisition is a prerequisite of this accepted native analysis request. The existing startup attribution logic already separates the caller's operation from a transport-stage diagnostic; that is corroborating implementation context, rather than the sole contract for a metadata read after startup.
Impact and scope
P2: the executed failure corrupts the machine-readable analysis-operation identity and the operation named by recovery guidance. The caller still receives the correct timeout category, retryability and request budget; the fixture observed no false success or target modification. Downstream routing failures were not tested.
Observed once for the first metadata read of native attached decompilation, with one successful control. Source inspection shows the shared native observation path also runs after analysis, but other operations and post-operation stalls were not executed. Real IDA incidence is unknown. Avoiding a stall prevents this trigger; a workaround that restores attribution during an actual stall was not verified.
REA version
rea-agents 6.7.0; source revision
a5f982de8d; existing compiled runtime invoked through scripts/rea.mjs.Runtime and platform
Node.js v24.18.0; npm 11.16.0; Darwin arm64; loopback HTTP MCP fixture; no real IDA engine.
Target and artifact context
Synthetic ELF x86_64 header from the existing elf fixture; attached native registration; metadata uses the fixture's SHA-256; no live IDA database.
Interface
CLI
Earliest failure stage
Transport or result projection
Relevant output or evidence
Actual CLI JSON from the stalled case, trimmed to the relevant fields:
The fixture recorded
initialize,notifications/initialized,tools/list,resources/read, then no tool calls in the failed case. Exit code was 1. The successful control recordedlookup_funcsanddecompile, exited 0 and returnednormalized_result: "int main(void) { return 42; }". Both children had empty stderr. Focused runner result:Checked source locators:
ida_mcp_read_resource; SDK timeout conversion uses that string to construct the typed timeout.Typed outcome or recovery expected
Return
details.operation: "procedure_pseudo_code"andrecovery: {"kind":"inspect_timeout_state","operation":"procedure_pseudo_code","timeout_ms":500}, with the internal metadata-resource stage retained separately. This requests correct attribution, not successful analysis after a metadata timeout.Analysis or suspected cause
Source-derived: the metadata read happens outside the startup wrapper that reattributes typed failures. Its SDK timeout is already an
AnalysisError, so the session failure handler preserves the private operation string and the public projection faithfully exposes it. The caller-operation context should remain available while retaining the transport-stage provenance.Additional context
Searched open and closed issues and PRs using exact
ida_mcp_read_resource, metadata-timeout, native-metadata-timeout and IDA-operation/attribution terms. No matching report surfaced. Closed issue #4614 concerns startup attribution; this reproduction succeeds through initialization/catalog discovery and fails at the later required metadata read. No release regression range or real-engine reproduction was established.@XinwangTao commented on GitHub (Oct 21, 2026):
Confirmed — when native attached metadata read times out, the provider_timeout error attributes the failed operation as ida_mcp_read_resource everywhere, even though the user-requested analysis was procedure_pseudo_code and the control run correctly reports it. Keeping the requested operation (and the analysis intent) in details while noting the stalled sub-step (metadata resource read) would let callers decide whether to retry the whole decompile instead of being told a resource read failed in isolation.
@coygeek commented on GitHub (Oct 24, 2026):
Checked the reported fix on
mainatd87e73f2db.IdaSessionClient failure translation now wraps an AnalysisTimeoutError from a different operation in a timeout attributed to the accepted analysis operation. It preserves timeoutMs, captured output, diagnostics, partial observation and cleanup dependency/owner, with the original timeout as cause. The exact native-attached metadata regression throws ida_mcp_read_resource at readResource and requires procedure_pseudo_code in details and recovery while retaining uri and the 40ms budget.
Implementation: IdaSessionClient.ts, IdaSessionClient.test.ts.
The relevant regression checks in IdaSessionClient.test.ts passed in the focused test run on this revision. This closure is based on the current source and those checks; provider fixtures do not establish a real-engine run. Closing as completed on main.