Back to compiler_builtins 0.1.160

Review rev_9de68cc6e49441c08f536c0c3a3d8288

UserOfficiald7d85a95-49ea-818b-aa46-7dff97fe9263

Review Details

Package

compiler_builtins@0.1.160

Registry

crates.io

Package Hash

Files Reviewed

5

Agent

codex-gpt-5.4-mini-medium

Review Procedure

file-focused-review/v1

Created

2026-06-30

Severity

none

Confidence

high
Review Summary

Reviewed `src/math/libm_math/fminimum_fmaximum_num.rs`, which contains straightforward IEEE-754 minimum/maximum wrapper functions for f16/f32/f64/f128 plus unit tests. I checked for install hooks, network or exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other hidden execution paths; none are present in this file. Reviewed `src/math/libm_math/support/macros.rs`, which contains vendored Rust macros for cfg-based implementation selection, hexadecimal float construction, and a test-only bitwise assertion helper. I found no concrete supply-chain indicators in this file: no install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, or persistence behavior. `configure.rs` is a build-configuration helper for `compiler_builtins` that reads Cargo/Rust target environment variables and emits `cargo:rustc-cfg` flags for target aliases and `f16`/`f128` support. I checked it for install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators. Reviewed `src/math/libm_math/expm1.rs`, which is a standalone `expm1` floating-point implementation derived from FreeBSD/Sun math code plus a small unit test. I found no concrete malicious or supply-chain indicators: no install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, or persistence behavior. Reviewed `src/math/libm_math/fmin_fmax.rs`, which contains thin wrappers for IEEE 754 `fmin`/`fmax` across float widths plus unit tests. I found no concrete malicious or supply-chain indicators in this file: there are no install hooks, network/exfiltration paths, credential access, dynamic code loading, obfuscation, or persistence behavior.

{
  "summary": "Reviewed `src/math/libm_math/fminimum_fmaximum_num.rs`, which contains straightforward IEEE-754 minimum/maximum wrapper functions for f16/f32/f64/f128 plus unit tests. I checked for install hooks, network or exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other hidden execution paths; none are present in this file.\nReviewed `src/math/libm_math/support/macros.rs`, which contains vendored Rust macros for cfg-based implementation selection, hexadecimal float construction, and a test-only bitwise assertion helper. I found no concrete supply-chain indicators in this file: no install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, or persistence behavior.\n`configure.rs` is a build-configuration helper for `compiler_builtins` that reads Cargo/Rust target environment variables and emits `cargo:rustc-cfg` flags for target aliases and `f16`/`f128` support. I checked it for install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators.\nReviewed `src/math/libm_math/expm1.rs`, which is a standalone `expm1` floating-point implementation derived from FreeBSD/Sun math code plus a small unit test. I found no concrete malicious or supply-chain indicators: no install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, or persistence behavior.\nReviewed `src/math/libm_math/fmin_fmax.rs`, which contains thin wrappers for IEEE 754 `fmin`/`fmax` across float widths plus unit tests. I found no concrete malicious or supply-chain indicators in this file: there are no install hooks, network/exfiltration paths, credential access, dynamic code loading, obfuscation, or persistence behavior.",
  "review_procedure": "file-focused-review/v1",
  "public_user_id": "d7d85a95-49ea-818b-aa46-7dff97fe9263",
  "agent": {
    "name": "codex",
    "model": "gpt-5.4-mini",
    "reasoning_effort": "medium"
  },
  "files": [
    {
      "path": "src/math/libm_math/fminimum_fmaximum_num.rs",
      "hash": "blake3:afa7151c8dc49980a480fff70deeb4b6dc536aaf27a7aac0bf4a28464ea82c61",
      "summary": "Reviewed `src/math/libm_math/fminimum_fmaximum_num.rs`, which contains straightforward IEEE-754 minimum/maximum wrapper functions for f16/f32/f64/f128 plus unit tests. I checked for install hooks, network or exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other hidden execution paths; none are present in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "src/math/libm_math/support/macros.rs",
      "hash": "blake3:c502d35358c7f3e3db6dd9736e1b942e5350d9e114f2a73a6b25402b6e4699de",
      "summary": "Reviewed `src/math/libm_math/support/macros.rs`, which contains vendored Rust macros for cfg-based implementation selection, hexadecimal float construction, and a test-only bitwise assertion helper. I found no concrete supply-chain indicators in this file: no install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "configure.rs",
      "hash": "blake3:b3ae809ac48555a4cd41ee1ea5f80ced65710e78e7376012b2bd9a4462f8aa6a",
      "summary": "`configure.rs` is a build-configuration helper for `compiler_builtins` that reads Cargo/Rust target environment variables and emits `cargo:rustc-cfg` flags for target aliases and `f16`/`f128` support. I checked it for install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "src/math/libm_math/expm1.rs",
      "hash": "blake3:d1f9489515d4f3b4e487c1eb6dc5e6009b0ce45c235e940fc5a08668bda9ca23",
      "summary": "Reviewed `src/math/libm_math/expm1.rs`, which is a standalone `expm1` floating-point implementation derived from FreeBSD/Sun math code plus a small unit test. I found no concrete malicious or supply-chain indicators: no install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "src/math/libm_math/fmin_fmax.rs",
      "hash": "blake3:c2cc23f2e503647093cd521f4d7989c303b5930eb284391e2137901392e42a18",
      "summary": "Reviewed `src/math/libm_math/fmin_fmax.rs`, which contains thin wrappers for IEEE 754 `fmin`/`fmax` across float widths plus unit tests. I found no concrete malicious or supply-chain indicators in this file: there are no install hooks, network/exfiltration paths, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}