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opened 2026-10-31 01:12:16 +00:00 by bsakaguchi
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📋 Pull Request Information
Original PR: https://github.com/morluto/rea/pull/4275
Author: @RishTheFish21
Created: 10/15/2026
Status: ❌ Closed
Base:
main← Head:fix/4241-ghidra-heap📝 Commits (2)
cd2ee37fix(ghidra): report JVM heap exhaustion as a memory constraintcf884f4fix(ghidra): advise a larger heap only for heap exhaustion📊 Changes
8 files changed (+362 additions, -7 deletions)
View changed files
📝
docs/installation.md(+14 -0)📝
src/ghidra/GhidraDiagnostics.ts(+3 -0)📝
src/ghidra/GhidraLauncher.ts(+33 -6)➕
src/ghidra/GhidraMemoryExhaustion.test.ts(+90 -0)➕
src/ghidra/GhidraMemoryExhaustion.ts(+93 -0)📝
src/ghidra/GhidraProvider.behavior.test.ts(+123 -1)📝
src/ghidra/GhidraProviderClient.ts(+4 -0)📝
tests/boundary/providers/ghidra/ghidraJavaLaunch.test.ts(+2 -0)📄 Description
Summary
When Ghidra's JVM runs out of heap during import or analysis, REA reports a generic
execution_failurethat tells the caller to runrea doctor. Doctor reports Ghidra as healthy, so the advice leads nowhere. The real cause (java.lang.OutOfMemoryError: Java heap space) is only visible deep insidedetails.diagnostics.stdout.text.Now, when a failed Ghidra session's own output shows a JVM
OutOfMemoryError, REA reportsresource_constraintwithresource: "memory", the heap size it launched Ghidra with, and memory-specific remediation.Fixes #4241
Problem and expected behavior
docs/binary-diagnostics.mdsays memory allocation failures useresource_constraint, with effective limits (or an explicit unknown) and memory-specific guidance. No Ghidra path recognizedOutOfMemoryError, so every heap exhaustion was projected asProviderAdapterError(execution_failure), or as a timeout if the deadline hit first.Smallest trigger: any target large enough to exhaust a small heap, e.g.
GHIDRA_HEADLESS_MAXMEM=128M rea inspect "$(command -v node)" --provider ghidra --json.Change and scope
src/ghidra/GhidraMemoryExhaustion.ts: looks forjava.lang.OutOfMemoryError(with its detail, e.g. "Java heap space") in the retained Ghidra process stdout/stderr. When found, the failure becomesAnalysisResourceConstraintError("memory"):reported_limits.jvm_max_heapis the heap REA launched with, ornullif unknown.GHIDRA_HEADLESS_MAXMEMabove that value or skip heavy analyzers withREA_GHIDRA_DISABLED_ANALYZERS, then reopen. It also notes thatrea doctordoesn't check heap size.remote) failures and cancellations are unchanged.jvm_max_heap.-Xmxactually passed to the JVM.GHIDRA_HEADLESS_MAXMEM/GHIDRA_MAXMEMis reported. Otherwise it stays unknown.docs/installation.md: documents the new classification under "Ghidra heap and CPU controls".Not included: the issue's second request (naming
REA_GHIDRA_STARTUP_TIMEOUT_MSin startup-timeout remediation) and the optional "Untested Go version" limitation. Both touch different code paths, so I'd do them separately.Follow the contribution scope.
Unresolved scope, authority, side effects, or required verification block
integration. Link the required maintainer scope decision for new providers or
capabilities involving target execution, injection, mutation, or protection
recovery; ordinary fixes within existing boundaries may state "not applicable".
Draft PRs may leave the scope decision pending and the readiness and merge checklists
unchecked. Maintainers can help resolve open questions.
Contract and boundary impact
projectPrimarySessionErrorinsrc/ghidra/GhidraProviderClient.ts); launch diagnostics inGhidraLauncher.ts/GhidraDiagnostics.ts.resource_constraintcode instead ofexecution_failure/provider_timeout. No schema change.docs/public/product-catalog.json), package, or installation impact (CI generates and validates ignored catalogs andskills/; edit authored instructions in.agents/skills/reverse-engineer-anything/and never commit build outputs): None.Expected effects (check known effects; use documentation-only on its own).
Unchecked items do not establish absence; leave uncertainties visible.
Evidence and regression coverage
src/ghidra/GhidraMemoryExhaustion.test.ts: readsOutOfMemoryErrorwith and without detail from stdout and stderr; bounds long details; ignores mentions outside the process streams. Heap selection uses the last POSIX-Xmx, and Windows reports only explicit settings.src/ghidra/GhidraProvider.behavior.test.ts: a process failure with heap exhaustion in stdout projects toresource_constraintwithjvm_max_heap: "4G"and the new remediation. A timeout withGC overhead limit exceededand no recorded heap reportsjvm_max_heap: null. Failures without an OOM, and bridge-reported failures, are unchanged.tests/boundary/providers/ghidra/ghidraJavaLaunch.test.ts: a real launch recordsjvmMaxHeap: "1G"and diagnostics expose it.GHIDRA_HEADLESS_MAXMEM=128M rea inspect "$(command -v node)" --provider ghidra --json:"code":"execution_failure". The only mention of the cause is buried in stdout diagnostics:OutOfMemoryError: Java heap space\n\tat java.base/java.lang.Long.valueOf(...)."code":"resource_constraint","jvm_max_heap":"128M", messageGhidra's JVM ran out of memory (java.lang.OutOfMemoryError: Java heap space) with a maximum heap of 128M.OutOfMemoryErrorprinted earlier in a long session will classify a later process failure as memory too, since the classification reads the session's retained output.For evidence-bearing changes:
Validation performed
npm run test:focused -- src/ghidra/GhidraMemoryExhaustion.test.ts src/ghidra/GhidraProvider.behavior.test.ts tests/boundary/providers/ghidra/ghidraJavaLaunch.test.ts: passednpm run check:fast: passednpm run lint: passednpm run knip: passednpm run docs:check: passedexecution_failure→resource_constraintwithjvm_max_heap: "128M"Compatibility, safety, and release
execution_failurefor Ghidra heap exhaustion now receiveresource_constraint(resource: "memory"). Other failures are unchanged.Author readiness
Human owner: @RishTheFish21
Before merge
type(scope): outcome.🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.