From a56e05cf630aae95b2ad946966170a2e656bd50b Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat, 18 Feb 2023 21:44:24 +0100
Subject: [PATCH] add fuzzing for the date function
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Work done Rafał Mikrut
---
 src/uu/date/fuzz/.gitignore                   |  3 +++
 src/uu/date/fuzz/Cargo.toml                   | 26 +++++++++++++++++++
 .../date/fuzz/fuzz_targets/fuzz_target_1.rs   | 13 ++++++++++
 3 files changed, 42 insertions(+)
 create mode 100644 src/uu/date/fuzz/.gitignore
 create mode 100644 src/uu/date/fuzz/Cargo.toml
 create mode 100644 src/uu/date/fuzz/fuzz_targets/fuzz_target_1.rs

diff --git a/src/uu/date/fuzz/.gitignore b/src/uu/date/fuzz/.gitignore
new file mode 100644
index 000000000..a0925114d
--- /dev/null
+++ b/src/uu/date/fuzz/.gitignore
@@ -0,0 +1,3 @@
+target
+corpus
+artifacts
diff --git a/src/uu/date/fuzz/Cargo.toml b/src/uu/date/fuzz/Cargo.toml
new file mode 100644
index 000000000..8853ede90
--- /dev/null
+++ b/src/uu/date/fuzz/Cargo.toml
@@ -0,0 +1,26 @@
+# spell-checker:ignore libfuzzer
+
+[package]
+name = "uu_date-fuzz"
+version = "0.0.0"
+publish = false
+edition = "2021"
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies]
+libfuzzer-sys = "0.4"
+
+[dependencies.uu_date]
+path = ".."
+
+# Prevent this from interfering with workspaces
+[workspace]
+members = ["."]
+
+[[bin]]
+name = "fuzz_target_1"
+path = "fuzz_targets/fuzz_target_1.rs"
+test = false
+doc = false
diff --git a/src/uu/date/fuzz/fuzz_targets/fuzz_target_1.rs b/src/uu/date/fuzz/fuzz_targets/fuzz_target_1.rs
new file mode 100644
index 000000000..432a90994
--- /dev/null
+++ b/src/uu/date/fuzz/fuzz_targets/fuzz_target_1.rs
@@ -0,0 +1,13 @@
+// spell-checker:ignore libfuzzer
+
+#![no_main]
+use libfuzzer_sys::fuzz_target;
+
+use std::ffi::OsString;
+use uu_date::uumain;
+
+fuzz_target!(|data: &[u8]| {
+    let iter: Vec<OsString> = [""].into_iter().map(|e| OsString::from(e)).collect();
+    let it2 = iter.into_iter();
+    uumain(it2);
+});