diff --git a/fuzz/.gitignore b/fuzz/.gitignore new file mode 100644 index 0000000000..572e03bdf3 --- /dev/null +++ b/fuzz/.gitignore @@ -0,0 +1,4 @@ + +target +corpus +artifacts diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml new file mode 100644 index 0000000000..bcbc3aad25 --- /dev/null +++ b/fuzz/Cargo.toml @@ -0,0 +1,24 @@ + +[package] +name = "chrono-fuzz" +version = "0.0.0" +authors = ["David Korczynski "] +publish = false +edition = "2018" + +[package.metadata] +cargo-fuzz = true + +[dependencies] +libfuzzer-sys = "0.3" + +[dependencies.chrono] +path = ".." + +# Prevent this from interfering with workspaces +[workspace] +members = ["."] + +[[bin]] +name = "fuzz_reader" +path = "fuzz_targets/fuzz_reader.rs" diff --git a/fuzz/README.md b/fuzz/README.md new file mode 100644 index 0000000000..bfe4fc347f --- /dev/null +++ b/fuzz/README.md @@ -0,0 +1,12 @@ +# Fuzzing Chrono +To fuzz Chrono we rely on the [Cargo-fuzz](https://rust-fuzz.github.io/) project. + +To install cargo-fuzz: +``` +cargo install cargo-fuzz +``` + +To run the Chrono fuzzer, navigate to the top directory of chrono and issue the following command: +``` +cargo-fuzz run fuzz_reader +``` diff --git a/fuzz/fuzz_targets/fuzz_reader.rs b/fuzz/fuzz_targets/fuzz_reader.rs new file mode 100644 index 0000000000..c93c587157 --- /dev/null +++ b/fuzz/fuzz_targets/fuzz_reader.rs @@ -0,0 +1,10 @@ +#![no_main] +use libfuzzer_sys::fuzz_target; + +fuzz_target!(|data: &[u8]| { + use chrono::prelude::*; + if let Ok(data) = std::str::from_utf8(data) { + let _ = DateTime::parse_from_rfc2822(data); + let _ = DateTime::parse_from_rfc3339(data); + } +});