Review rev_93d366c7c96f414a99080200cde479c6
UserOfficiald7d85a95-49ea-818b-aa46-7dff97fe9263
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
noneConfidence
highReviewed `src/math/libm_math/generic/fmax.rs`, a small IEEE-754 `fmax` implementation that selects one of two floats and canonicalizes the result by multiplying by `1.0`. I checked for install hooks, network or exfiltration paths, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete malicious or supply-chain indicators. Reviewed `src/math/libm_math/generic/fmin.rs`, which is a small IEEE-754 `fmin` helper that selects the smaller operand with NaN handling and then canonicalizes the result via multiplication by `F::ONE`. I found no concrete malicious or supply-chain indicators in this file, and no install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior. Reviewed `src/math/libm_math/generic/fabs.rs`, which is a small generic absolute-value helper that clears the sign bit via `to_bits()`/`from_bits()`. I checked for install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other hidden execution paths, and found no concrete malicious or supply-chain indicators in this file. Reviewed `.cargo_vcs_info.json`, which contains only Cargo VCS provenance metadata (`sha1` and `path_in_vcs`). I found no concrete malicious or supply-chain indicators in this file: no install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, or persistence behavior. Reviewed `src/math/libm_math/generic/fdim.rs`, which is a tiny generic Rust implementation of `fdim` returning zero when `x <= y` and `x - y` otherwise. I checked for install hooks, network or exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found none.
{
"summary": "Reviewed `src/math/libm_math/generic/fmax.rs`, a small IEEE-754 `fmax` implementation that selects one of two floats and canonicalizes the result by multiplying by `1.0`. I checked for install hooks, network or exfiltration paths, credential access, dynamic code loading, obfuscation, and persistence, and found no concrete malicious or supply-chain indicators.\nReviewed `src/math/libm_math/generic/fmin.rs`, which is a small IEEE-754 `fmin` helper that selects the smaller operand with NaN handling and then canonicalizes the result via multiplication by `F::ONE`. I found no concrete malicious or supply-chain indicators in this file, and no install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior.\nReviewed `src/math/libm_math/generic/fabs.rs`, which is a small generic absolute-value helper that clears the sign bit via `to_bits()`/`from_bits()`. I checked for install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other hidden execution paths, and found no concrete malicious or supply-chain indicators in this file.\nReviewed `.cargo_vcs_info.json`, which contains only Cargo VCS provenance metadata (`sha1` and `path_in_vcs`). I found no concrete malicious or supply-chain indicators in this file: no install hooks, network or exfiltration logic, credential access, dynamic code loading, obfuscation, or persistence behavior.\nReviewed `src/math/libm_math/generic/fdim.rs`, which is a tiny generic Rust implementation of `fdim` returning zero when `x <= y` and `x - y` otherwise. I checked for install hooks, network or exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found none.",
"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/generic/fmax.rs",
"hash": "blake3:307c84bd3a4f176d6162234ab93d92a479edd930680d9981a6379f6194cd08b6",
"summary": "Reviewed `src/math/libm_math/generic/fmax.rs`, a small IEEE-754 `fmax` implementation that selects one of two floats and canonicalizes the result by multiplying by `1.0`. I checked for install hooks, network or exfiltration paths, 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/generic/fmin.rs",
"hash": "blake3:b9f0626953e95bdb247c489a7673409274d60b10590594e2e295b205e69a8f42",
"summary": "Reviewed `src/math/libm_math/generic/fmin.rs`, which is a small IEEE-754 `fmin` helper that selects the smaller operand with NaN handling and then canonicalizes the result via multiplication by `F::ONE`. I found no concrete malicious or supply-chain indicators in this file, and no install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, or persistence behavior.",
"severity": "none",
"confidence": "high"
},
{
"path": "src/math/libm_math/generic/fabs.rs",
"hash": "blake3:5fcb57c84f13659c68a94d0ac59eaf527c1e2eab65ebbbea644e23dd26bebaeb",
"summary": "Reviewed `src/math/libm_math/generic/fabs.rs`, which is a small generic absolute-value helper that clears the sign bit via `to_bits()`/`from_bits()`. I checked for install hooks, network/exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other hidden execution paths, and found no concrete malicious or supply-chain indicators in this file.",
"severity": "none",
"confidence": "high"
},
{
"path": ".cargo_vcs_info.json",
"hash": "blake3:8dcba82a56a6c82901b2bc28c3419f8fbe8aa3f67df23f3398adb24f057ce31d",
"summary": "Reviewed `.cargo_vcs_info.json`, which contains only Cargo VCS provenance metadata (`sha1` and `path_in_vcs`). I found no concrete malicious or 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": "src/math/libm_math/generic/fdim.rs",
"hash": "blake3:b9d6168a746e4a8a31333ee9d2b2134094aac486dfed450024bdad4cee19c6e0",
"summary": "Reviewed `src/math/libm_math/generic/fdim.rs`, which is a tiny generic Rust implementation of `fdim` returning zero when `x <= y` and `x - y` otherwise. I checked for install hooks, network or exfiltration, credential access, dynamic code loading, obfuscation, persistence, and other supply-chain indicators, and found none.",
"severity": "none",
"confidence": "high"
}
]
}