add a fuzzer for parse_datetime_from_str

fuzz/Cargo.lock

@@ -104,7 +104,7 @@ dependencies = [
 
 [[package]]
 name = "humantime_to_duration"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "chrono",
  "regex",

fuzz/Cargo.toml

@@ -20,3 +20,9 @@ name = "fuzz_from_str"
 path = "fuzz_targets/from_str.rs"
 test = false
 doc = false
+
+[[bin]]
+name = "fuzz_parse_datetime_from_str"
+path = "fuzz_targets/parse_datetime_from_str.rs"
+test = false
+doc = false

fuzz/fuzz_targets/parse_datetime_from_str.rs

@@ -0,0 +1,8 @@
+#![no_main]
+
+use libfuzzer_sys::fuzz_target;
+
+fuzz_target!(|data: &[u8]| {
+    let s = std::str::from_utf8(data).unwrap_or("");
+    let _ = humantime_to_duration::parse_datetime::from_str(s);
+});