{"record":{"id":"fdb2d28e4bf7866f","repo":"affaan-m/ECC","slug":"label-exceeds-the-max-bytes-byte-limit","errorCode":null,"errorMessage":"{label} exceeds the {max_bytes}-byte limit","messagePattern":"(.+?) exceeds the (.+?)-byte limit","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"ecc2/src/main.rs","lineNumber":1420,"sourceCode":"    let file = options\n        .open(path)\n        .with_context(|| format!(\"Failed to open {}\", path.display()))?;\n    let metadata = file\n        .metadata()\n        .with_context(|| format!(\"Failed to inspect {}\", path.display()))?;\n    if !metadata.is_file() {\n        anyhow::bail!(\"{label} must be a regular file\");\n    }\n\n    let read_limit = max_bytes\n        .checked_add(1)\n        .context(\"bounded input byte limit is too large\")?;\n    let mut content = Vec::new();\n    file.take(read_limit)\n        .read_to_end(&mut content)\n        .with_context(|| format!(\"Failed to read {}\", path.display()))?;\n    if content.len() as u64 > max_bytes {\n        anyhow::bail!(\"{label} exceeds the {max_bytes}-byte limit\");\n    }\n    Ok(content)\n}\n\n#[tokio::main]\nasync fn main() -> Result<()> {\n    tracing_subscriber::fmt()\n        .with_env_filter(EnvFilter::from_default_env())\n        .init();\n\n    let cli = Cli::parse();\n\n    let cfg = config::Config::load()?;\n    let db = session::store::StateStore::open(&cfg.db_path)?;\n\n    match cli.command {\n        Some(Commands::HarnessEval { command }) => match command {\n            HarnessEvalCommands::Record {","sourceCodeStart":1402,"sourceCodeEnd":1438,"githubUrl":"https://github.com/affaan-m/ECC/blob/8321021c54d670126ce3b2969d5deb880b4b0c2a/ecc2/src/main.rs#L1402-L1438","documentation":"The bounded input reader enforces a maximum byte size on files it reads: it reads at most `max_bytes + 1` bytes via `Take::read_to_end` and bails if the content length exceeds `max_bytes`. This protects the CLI from unbounded memory consumption when a huge file is passed as input.","triggerScenarios":"Passing a file larger than the configured `max_bytes` limit to the bounded reader (e.g. a multi-gigabyte log or dataset fed to a flag with a size cap).","commonSituations":"Pointing the CLI at a large generated artifact, a log that grew beyond the expected size, or a limit configured too low for a legitimate input.","solutions":["Reduce the input file size (truncate, split, or preprocess) below the limit.","Raise the `max_bytes` limit if the input is legitimately large and memory allows.","Pre-check the file size with metadata before invoking and surface a friendly message."],"exampleFix":"// before\nlet content = read_bounded_file(path, label, 1_048_576)?;\n// after\nlet max = 10 * 1_048_576; // raise limit to 10 MiB\nlet content = read_bounded_file(path, label, max)?;","handlingStrategy":"validation","validationCode":"let size = std::fs::metadata(path)?.len();\nanyhow::ensure!(size <= max_bytes, \"{} is {} bytes, exceeds limit of {}\", path.display(), size, max_bytes);","typeGuard":null,"tryCatchPattern":"match read_bounded_file(path, label, max_bytes) {\n    Ok(content) => content,\n    Err(e) if e.to_string().contains(\"-byte limit\") => {\n        eprintln!(\"Input too large: compress, split, or raise the limit\");\n        std::process::exit(2);\n    }\n    Err(e) => return Err(e),\n}","preventionTips":["Check file size with `ls -l`/`du` before feeding large inputs","Configure max_bytes to match expected artifact sizes","Rotate or truncate logs that grow unbounded"],"tags":["filesystem","cli","size-limit","input-validation"],"backgroundTag":"file-size-limit-exceeded","analyzedSha":"8321021c54d670126ce3b2969d5deb880b4b0c2a","analyzedAt":"2026-09-16T10:08:13.343Z","contentChangedAt":"2026-09-16T10:08:13.343Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}