| commit | 1995e408fdd5ffb00b85d976c94825faf745c79d | [log] [tgz] |
|---|---|---|
| author | Andrew Walbran <[email protected]> | Wed Nov 15 16:10:33 2023 +0000 |
| committer | Andrew Walbran <[email protected]> | Wed Nov 15 16:10:33 2023 +0000 |
| tree | 76997bf0e41150dd3770d52411a947bf2d4133e6 | |
| parent | d9c9674a604b494a2da4d29b0b55d525ae29da2c [diff] |
Migrate to cargo_embargo. Bug: 293289578 Test: Ran cargo_embargo, compared Android.bp Change-Id: I226a1c76f85dfa574c06cb61c266bc64a1ec34f9
libfuzzer-sys CrateBarebones wrapper around LLVM's libFuzzer runtime library.
The CPP parts are extracted from compiler-rt git repository with git filter-branch.
libFuzzer relies on LLVM sanitizer support. The Rust compiler has built-in support for LLVM sanitizer support, for now, it's limited to Linux. As a result, libfuzzer-sys only works on Linux.
cargo fuzz!The recommended way to use this crate with cargo fuzz!.
This crate can also be used manually as following:
First create a new cargo project:
$ cargo new --bin fuzzed $ cd fuzzed
Then add a dependency on the fuzzer-sys crate and your own crate:
[dependencies] libfuzzer-sys = "0.4.0" your_crate = { path = "../path/to/your/crate" }
Change the fuzzed/src/main.rs to fuzz your code:
#![no_main] use libfuzzer_sys::fuzz_target; fuzz_target!(|data: &[u8]| { // code to fuzz goes here });
Build by running the following command:
$ cargo rustc -- \ -C passes='sancov' \ -C llvm-args='-sanitizer-coverage-level=3' \ -C llvm-args='-sanitizer-coverage-inline-8bit-counters' \ -Z sanitizer=address
And finally, run the fuzzer:
$ ./target/debug/fuzzed
./update-libfuzzer.sh <github.com/llvm-mirror/llvm-project SHA1>
All files in libfuzzer directory are licensed NCSA.
Everything else is dual-licensed Apache 2.0 and MIT.