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//! Fuzz targets for message parsers.
//!
//! Run with: cargo +nightly fuzz run fuzz_parse
//!
//! Requires: cargo install cargo-fuzz
//!
//! These targets verify that no input can cause a panic,
//! buffer overflow, or undefined behavior in the parsers.
// Note: this file is a reference for cargo-fuzz targets.
// To use, create a fuzz/Cargo.toml and fuzz_targets/
// directory per cargo-fuzz conventions. The actual fuzz
// harnesses are:
#[cfg(test)]
mod tests {
/// Fuzz MsgHeader::parse with random bytes.
#[test]
fn fuzz_header_parse() {
for _ in 0..10_000 {
let mut buf = [0u8; 128];
tesseras_dht::sys::random_bytes(&mut buf);
// Should never panic
let _ = tesseras_dht::wire::MsgHeader::parse(&buf);
}
}
/// Fuzz msg::parse_store with random bytes.
#[test]
fn fuzz_store_parse() {
for _ in 0..10_000 {
let mut buf = [0u8; 256];
tesseras_dht::sys::random_bytes(&mut buf);
let _ = tesseras_dht::msg::parse_store(&buf);
}
}
/// Fuzz msg::parse_find_node with random bytes.
#[test]
fn fuzz_find_node_parse() {
for _ in 0..10_000 {
let mut buf = [0u8; 128];
tesseras_dht::sys::random_bytes(&mut buf);
let _ = tesseras_dht::msg::parse_find_node(&buf);
}
}
/// Fuzz msg::parse_find_value with random bytes.
#[test]
fn fuzz_find_value_parse() {
for _ in 0..10_000 {
let mut buf = [0u8; 256];
tesseras_dht::sys::random_bytes(&mut buf);
let _ = tesseras_dht::msg::parse_find_value(&buf);
}
}
/// Fuzz rdp::parse_rdp_wire with random bytes.
#[test]
fn fuzz_rdp_parse() {
for _ in 0..10_000 {
let mut buf = [0u8; 128];
tesseras_dht::sys::random_bytes(&mut buf);
let _ = tesseras_dht::rdp::parse_rdp_wire(&buf);
}
}
/// Fuzz dgram::parse_fragment with random bytes.
#[test]
fn fuzz_fragment_parse() {
for _ in 0..10_000 {
let mut buf = [0u8; 64];
tesseras_dht::sys::random_bytes(&mut buf);
let _ = tesseras_dht::dgram::parse_fragment(&buf);
}
}
/// Fuzz msg::parse_find_value_reply with random bytes.
#[test]
fn fuzz_find_value_reply_parse() {
for _ in 0..10_000 {
let mut buf = [0u8; 256];
tesseras_dht::sys::random_bytes(&mut buf);
let _ = tesseras_dht::msg::parse_find_value_reply(&buf);
}
}
}
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