# c rust rewrite

Published articles for c rust rewrite.

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## Google Rewrites Critical C Dependencies to Rust Using AI and Differential Fuzzing

DevFeed: [Google Rewrites Critical C Dependencies to Rust Using AI and Differential Fuzzing](<https://devfeed.tech/articles/google-rewrites-critical-c-dependencies-to-rust-using-ai-and-differential-fuzzing-60663.md>)

Original publisher: [Read original article](<https://www.infoq.com/news/2026/09/c-rust-rewrite/>)

Author: Olimpiu Pop

Published: 2026-09-27T14:14:00Z

Content type: news

Language: en

Sources: [InfoQ](<https://devfeed.tech/sources/infoq.md>)

Topics: [Memory Safety](<https://devfeed.tech/topics/memory-safety.md>), [Fuzzing/Fuzz testing](<https://devfeed.tech/topics/fuzzing.md>), [ClojureScript](<https://devfeed.tech/topics/clojurescript.md>), [code security](<https://devfeed.tech/topics/code-security.md>), [Responsibility & Safety](<https://devfeed.tech/topics/responsibility-safety.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [ai-harness](<https://devfeed.tech/tags/ai-harness.md>), [c](<https://devfeed.tech/tags/c.md>), [c-rust-rewrite](<https://devfeed.tech/tags/c-rust-rewrite.md>), [development](<https://devfeed.tech/tags/development.md>), [fuzzing](<https://devfeed.tech/tags/fuzzing.md>), [google-s](<https://devfeed.tech/tags/google-s.md>), [large-language-models](<https://devfeed.tech/tags/large-language-models.md>), [memory-safety](<https://devfeed.tech/tags/memory-safety.md>), [news](<https://devfeed.tech/tags/news.md>), [rust](<https://devfeed.tech/tags/rust.md>), [security](<https://devfeed.tech/tags/security.md>), [zero-day](<https://devfeed.tech/tags/zero-day.md>)

### AI overview

Google's security team used Gemini to help port giflib from C to memory-safe Rust while preserving its ABI compatibility. Human review addressed unsafe pointer and lifetime issues, and regression testing and differential fuzzing checked behavioral equivalence. The migration also eliminated an unpatched heap-write zero-day before its public cataloguing.

### Source excerpt

Google's security team developed a method to replace legacy C code in the giflib image-processing library with Rust, targeting inherent memory vulnerabilities. They utilised an automated migration process, ensuring compatibility and zero-day vulnerability mitigation. The project successfully maintained runtime performance while demonstrating that AI translations require ongoing human oversight. By Olimpiu Pop