{"record":{"id":"4937542b324921e7","repo":"openai/codex","slug":"failed-to-convert-argv-to-cstring-err","errorCode":null,"errorMessage":"failed to convert argv to CString: {err}","messagePattern":"failed to convert argv to CString: (.+?)","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"codex-rs/bwrap/src/main.rs","lineNumber":15,"sourceCode":"#[cfg(all(target_os = \"linux\", bwrap_available))]\nfn main() {\n    use std::ffi::CStr;\n    use std::ffi::CString;\n    use std::os::raw::c_char;\n    use std::os::unix::ffi::OsStrExt;\n\n    unsafe extern \"C\" {\n        fn bwrap_main(argc: libc::c_int, argv: *const *const c_char) -> libc::c_int;\n    }\n\n    let cstrings = std::env::args_os()\n        .map(|arg| {\n            CString::new(arg.as_os_str().as_bytes())\n                .unwrap_or_else(|err| panic!(\"failed to convert argv to CString: {err}\"))\n        })\n        .collect::<Vec<_>>();\n    let mut argv_ptrs = cstrings\n        .iter()\n        .map(CString::as_c_str)\n        .map(CStr::as_ptr)\n        .collect::<Vec<*const c_char>>();\n    argv_ptrs.push(std::ptr::null());\n\n    // SAFETY: We provide a null-terminated argv vector whose pointers remain\n    // valid for the duration of the call.\n    let exit_code = unsafe { bwrap_main(cstrings.len() as libc::c_int, argv_ptrs.as_ptr()) };\n    std::process::exit(exit_code);\n}\n\n#[cfg(all(target_os = \"linux\", not(bwrap_available)))]\nfn main() {\n    panic!(","sourceCodeStart":1,"sourceCodeEnd":33,"githubUrl":"https://github.com/openai/codex/blob/339751715c64496cb86246bfb3935f40e309dd3d/codex-rs/bwrap/src/main.rs#L1-L33","documentation":"Error \"failed to convert argv to CString: {err}\" thrown in openai/codex.","triggerScenarios":"Thrown at codex-rs/bwrap/src/main.rs:15 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"339751715c64496cb86246bfb3935f40e309dd3d","analyzedAt":"2026-08-25T05:35:09.876Z","schemaVersion":2},"datasetVersion":"2026-08-25T06:17:31.827Z"}