Add fuzzing harness, try to decode into various types (#468)
* WIP adding fuzzing * Check for round trips (BinaryHeap isn't PartialEq) * Expand globs * Rename fuzzing target
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target
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corpus
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artifacts
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "arbitrary"
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version = "1.0.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "510c76ecefdceada737ea728f4f9a84bd2e1ef29f1ba555e560940fe279954de"
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[[package]]
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name = "bincode"
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version = "2.0.0-beta.0"
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dependencies = [
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"bincode_derive",
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]
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[[package]]
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name = "bincode-fuzz"
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version = "0.0.0"
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dependencies = [
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"bincode",
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"libfuzzer-sys",
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]
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[[package]]
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name = "bincode_derive"
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version = "2.0.0-beta.0"
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dependencies = [
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"virtue",
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]
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[[package]]
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name = "cc"
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version = "1.0.72"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
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[[package]]
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name = "libfuzzer-sys"
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version = "0.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "36a9a84a6e8b55dfefb04235e55edb2b9a2a18488fcae777a6bdaa6f06f1deb3"
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dependencies = [
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"arbitrary",
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"cc",
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"once_cell",
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]
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[[package]]
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name = "once_cell"
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version = "1.9.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "da32515d9f6e6e489d7bc9d84c71b060db7247dc035bbe44eac88cf87486d8d5"
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[[package]]
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name = "virtue"
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version = "0.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f0e85ed1066abcc0ea331cce3ce83cccf30ae9900529ca46f353b22ca79b56b8"
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[package]
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name = "bincode-fuzz"
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version = "0.0.0"
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authors = ["Automatically generated"]
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publish = false
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edition = "2018"
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[package.metadata]
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cargo-fuzz = true
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[dependencies]
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libfuzzer-sys = "0.4"
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[dependencies.bincode]
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path = ".."
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# Prevent this from interfering with workspaces
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[workspace]
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members = ["."]
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[[bin]]
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name = "roundtrip"
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path = "fuzz_targets/roundtrip.rs"
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test = false
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doc = false
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#![no_main]
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use libfuzzer_sys::fuzz_target;
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use std::collections::{BTreeMap, BTreeSet, HashMap, VecDeque};
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use std::ffi::CString;
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use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6};
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use std::num::{NonZeroI128, NonZeroI32, NonZeroU128, NonZeroU32};
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use std::path::PathBuf;
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use std::rc::Rc;
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use std::sync::Arc;
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use std::time::{Duration, SystemTime};
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#[derive(bincode::Decode, bincode::Encode, PartialEq, Debug)]
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enum AllTypes {
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BTreeMap(BTreeMap<u8, u8>),
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HashMap(HashMap<u8, u8>),
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BTreeSet(BTreeSet<u8>),
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VecDeque(VecDeque<u8>),
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Vec(Vec<u8>),
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String(String),
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Box(Box<u8>),
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BoxSlice(Box<[u8]>),
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Rc(Rc<u8>),
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Arc(Arc<u8>),
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CString(CString),
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SystemTime(SystemTime),
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Duration(Duration),
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PathBuf(PathBuf),
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IpAddr(IpAddr),
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Ipv4Addr(Ipv4Addr),
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Ipv6Addr(Ipv6Addr),
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SocketAddr(SocketAddr),
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SocketAddrV4(SocketAddrV4),
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SocketAddrV6(SocketAddrV6),
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NonZeroU32(NonZeroU32),
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NonZeroI32(NonZeroI32),
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NonZeroU128(NonZeroU128),
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NonZeroI128(NonZeroI128),
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// Cow(Cow<'static, [u8]>), Blocked, see comment on decode
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}
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fuzz_target!(|data: &[u8]| {
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let config = bincode::config::Configuration::standard().with_limit::<1024>();
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let result: Result<(AllTypes, _), _> = bincode::decode_from_slice(data, config);
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if let Ok((before, _)) = result {
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let encoded = bincode::encode_to_vec(&before, config).expect("round trip");
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let (after, _) = bincode::decode_from_slice(&encoded, config).unwrap();
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assert_eq!(before, after);
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}
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});
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