From 6480b2c2a0a9263d6762c0b8530c5803fcb7b2a8 Mon Sep 17 00:00:00 2001
From: Adrian Taylor <adetaylor@chromium.org>
Date: Wed, 2 Feb 2022 14:59:53 -0800
Subject: [PATCH] Adding fuzzers for unsafe code.

---
 fuzz/Cargo.toml                 | 31 +++++++++++++++++++++++++++++++
 fuzz/fuzz_targets/fuzz_next.rs  | 10 ++++++++++
 fuzz/fuzz_targets/fuzz_quote.rs |  9 +++++++++
 3 files changed, 50 insertions(+)
 create mode 100644 fuzz/Cargo.toml
 create mode 100644 fuzz/fuzz_targets/fuzz_next.rs
 create mode 100644 fuzz/fuzz_targets/fuzz_quote.rs

diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
new file mode 100644
index 0000000..1533360
--- /dev/null
+++ b/fuzz/Cargo.toml
@@ -0,0 +1,31 @@
+[package]
+name = "shlex-fuzz"
+version = "0.0.0"
+authors = ["Automatically generated"]
+publish = false
+edition = "2018"
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies]
+libfuzzer-sys = "0.4"
+
+[dependencies.shlex]
+path = ".."
+
+# Prevent this from interfering with workspaces
+[workspace]
+members = ["."]
+
+[[bin]]
+name = "fuzz_next"
+path = "fuzz_targets/fuzz_next.rs"
+test = false
+doc = false
+
+[[bin]]
+name = "fuzz_quote"
+path = "fuzz_targets/fuzz_quote.rs"
+test = false
+doc = false
diff --git a/fuzz/fuzz_targets/fuzz_next.rs b/fuzz/fuzz_targets/fuzz_next.rs
new file mode 100644
index 0000000..64b7a2a
--- /dev/null
+++ b/fuzz/fuzz_targets/fuzz_next.rs
@@ -0,0 +1,10 @@
+#![no_main]
+#[macro_use] extern crate libfuzzer_sys;
+use shlex::Shlex;
+
+fuzz_target!(|data: &[u8]| {
+    if let Ok(s) = std::str::from_utf8(data) {
+        let mut sh = Shlex::new(s);
+        while let Some(word) = sh.next() {}
+    }
+});
diff --git a/fuzz/fuzz_targets/fuzz_quote.rs b/fuzz/fuzz_targets/fuzz_quote.rs
new file mode 100644
index 0000000..2178dde
--- /dev/null
+++ b/fuzz/fuzz_targets/fuzz_quote.rs
@@ -0,0 +1,9 @@
+#![no_main]
+#[macro_use] extern crate libfuzzer_sys;
+use shlex::quote;
+
+fuzz_target!(|data: &[u8]| {
+    if let Ok(s) = std::str::from_utf8(data) {
+        quote(s);
+    }
+});