{"record":{"id":"e3ea24e3c1b2bdb5","repo":"wasmerio/wasmer","slug":"internal-error-bad-in-progress-symbol-resolution","errorCode":null,"errorMessage":"Internal error: bad in-progress symbol resolution: {e:?}","messagePattern":"Internal error: bad in-progress symbol resolution: (.+?)","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"critical","filePath":"lib/wasix/src/state/linker/instance_group/imports.rs","lineNumber":125,"sourceCode":"                    let export = match self.resolve_export_from(\n                        store,\n                        *module_handle,\n                        import.name(),\n                        self.instance(*module_handle),\n                        linker_state.dylink_info(*module_handle),\n                        linker_state.memory_base(*module_handle),\n                        self.tls_base(*module_handle),\n                        true,\n                    ) {\n                        Ok(export) => export,\n                        Err(ResolveError::NoTlsBaseGlobalExport) => {\n                            return Err(LinkError::MissingTlsBaseExport(\n                                import.name().to_string(),\n                                *module_handle,\n                            ));\n                        }\n                        Err(e) => {\n                            panic!(\"Internal error: bad in-progress symbol resolution: {e:?}\")\n                        }\n                    };\n\n                    match export {\n                        PartiallyResolvedExport::Global(addr) => {\n                            trace!(?module_handle, ?import, addr, \"Memory address\");\n\n                            let global =\n                                define_integer_global_import(store, &import, addr).unwrap();\n\n                            imports.define(import.module(), import.name(), global);\n                            linker_state.symbol_resolution_records.insert(\n                                SymbolResolutionKey::Needed(key.clone()),\n                                SymbolResolutionResult::Memory(addr),\n                            );\n                        }\n\n                        PartiallyResolvedExport::Tls { offset, final_addr } => {","sourceCodeStart":107,"sourceCodeEnd":143,"githubUrl":"https://github.com/wasmerio/wasmer/blob/8c4b9ee9d33fb2068863fbb3d328683e7e6ff7f5/lib/wasix/src/state/linker/instance_group/imports.rs#L107-L143","documentation":"When populating imports from link state, an InProgressSymbolResolution returned an Err variant other than the handled MissingTlsBaseExport case. Since in-progress resolutions should never carry other errors at this stage, the code panics reporting the unexpected resolution error — an internal consistency check.","triggerScenarios":"A link_state symbol entry for an import is in state Err(e) with an error type other than the missing-TLS-base case while populate_imports_from_link_state walks memory/global imports; typically a link_state built with unvalidated or corrupt resolution data.","commonSituations":"Hand-built or deserialized LinkStates; linker passes that stash intermediate errors into symbol resolutions instead of failing the link; version skew between the resolver that produced the state and the importer consuming it.","solutions":["Inspect the {e:?} in the panic to identify which resolution failed and why; fix the producer of the link state.","Ensure all in-progress resolutions are fully validated (TLS base, memory, global) before calling populate_imports_from_link_state.","If the resolver legitimately produces other error variants, extend the match in imports.rs to map them to LinkError instead of panicking.","Regenerate the LinkState with the current wasmtime version to eliminate format skew."],"exampleFix":"// before\nErr(e) => panic!(\"Internal error: bad in-progress symbol resolution: {e:?}\"),\n// after\nErr(e) => return Err(LinkError::BadSymbolResolution(\n    import.name().to_string(), *module_handle, e)),","handlingStrategy":"validation","validationCode":"// Reject any Err-shaped in-progress resolutions before populating imports\nfor (key, res) in &link_state.symbols {\n    if matches!(res, InProgressSymbolResolution::Err(_)) {\n        return Err(format!(\"link state contains unresolved entry for {:?}\", key));\n    }\n}","typeGuard":"fn is_resolved(res: &InProgressSymbolResolution) -> bool {\n    !matches!(res, InProgressSymbolResolution::Err(_))\n}","tryCatchPattern":null,"preventionTips":["Validate all in-progress resolutions (TLS base, memory, global) before import population.","Fix link-state producers that stash non-TLS errors into resolution entries.","Handle every resolution error variant as a LinkError at resolution time.","Regenerate LinkState with the current wasmtime version to avoid format skew."],"tags":["panic","dynamic-linking","link-state","wasix","internal-error"],"backgroundTag":"bad-symbol-resolution-state","analyzedSha":"8c4b9ee9d33fb2068863fbb3d328683e7e6ff7f5","analyzedAt":"2026-09-01T23:06:31.009Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-09T06:17:21.866Z"}