ericseppanen / unsound-zoo

The Unsound Zoo: examples of shooting yourself in the foot with Rust

The Unsound Zoo

A Collection of Unsound Rust Code

Table Of Contents

Introduction

Links to the code

Simple unsound examples

• Constructing a malformed bool
• Constructing a malfomed char
• Constructing a null reference
• Constructing a malformed Box
• Constructing a malformed enum
• Constructing an invalid NonZero__
• Constructing an invalid slice
• Accessing uninitialized memory
• Reading the padding bytes of a struct
• Extending a reference lifetime
• Mutating immutable data
• Constructing illegal aliases

Complex unsound examples

• UB via leaking a poorly-designed Drain