Back to compiler_builtins 0.1.160

Review rev_4b54bd240c344d0589ac824b9a96af62

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-high

Review Procedure

file-focused-review/v1

Created

2026-07-14

Severity

none

Confidence

high
{
  "review_procedure": "file-focused-review/v1",
  "public_user_id": "d7d85a95-49ea-818b-aa46-7dff97fe9263",
  "agent": {
    "name": "codex",
    "model": "gpt-5.4-mini",
    "reasoning_effort": "high"
  },
  "files": [
    {
      "path": "src/math/libm_math/arch/wasm32.rs",
      "hash": "blake3:a3ef5c7ced54dc83cff7e1439cc099450b9fdba8d3a6c06222e974adbe168628",
      "summary": "Reviewed `src/math/libm_math/arch/wasm32.rs`, which is a small set of wrappers around WebAssembly float intrinsics and `abs` for basic math operations. I checked for install-time execution, network/exfiltration, credential access, dynamic code loading, obfuscation, and persistence behavior, and found no concrete malicious or supply-chain indicators in this file.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "src/math/libm_math/arch/x86.rs",
      "hash": "blake3:d270fb6c3f82c3df1eed656f1671fea5cddab3f04d3919e19698f802443272b8",
      "summary": "Reviewed the x86 math shim that reexports FMA helpers and implements `sqrtf`/`sqrt` with inline `sqrtss` and `sqrtsd` assembly. I checked this file for install-time hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, and persistence behavior, and found none.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "src/math/libm_math/arch/x86/detect.rs",
      "hash": "blake3:7d5836bc3cafab77baec4c0f6aba0a8f691337bb687af4bc7f262382455782c2",
      "summary": "This file implements x86 CPU feature detection using `cpuid`/`xgetbv`, caches the resulting flags, and includes a unit test that compares the detected features against Rust's standard x86 feature detection. I checked it for install hooks, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete malicious or supply-chain indicators.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "src/math/libm_math/arch/x86/fma.rs",
      "hash": "blake3:e077f4ecc386a0582ce6d94a4a228745e8479edccb45179c9c2bd354099447c0",
      "summary": "Reviewed `src/math/libm_math/arch/x86/fma.rs`, which provides runtime-dispatched x86 FMA/FMA4 fused-multiply-add implementations using inline assembly plus generic fallback paths. I found no concrete malicious or supply-chain indicators in this file: there are no install hooks, network or exfiltration code, credential access, dynamic code loading, obfuscation, or persistence behavior.",
      "severity": "none",
      "confidence": "high"
    },
    {
      "path": "src/math/libm_math/asin.rs",
      "hash": "blake3:a3d8da751b12c94c0ace179297a067d4aae01f084d532a1fb6bcd73b1750cfd5",
      "summary": "Reviewed the f64 arcsine implementation in `src/math/libm_math/asin.rs`, including its argument-range handling and polynomial approximation path. I found no concrete indicators of install-time execution, network or exfiltration behavior, credential access, dynamic code loading, obfuscation, persistence, or other supply-chain compromise in this target file.",
      "severity": "none",
      "confidence": "high"
    }
  ]
}