1 files changed, 13 insertions, 0 deletions
diff --git a/users/zseri/store-ref-scanner/fuzz/fuzz_targets/hbm-roundtrip.rs b/users/zseri/store-ref-scanner/fuzz/fuzz_targets/hbm-roundtrip.rs
new file mode 100644
index 000000000000..0738da68b77d
--- /dev/null
+++ b/users/zseri/store-ref-scanner/fuzz/fuzz_targets/hbm-roundtrip.rs
@@ -0,0 +1,13 @@
+#![no_main]
+use libfuzzer_sys::fuzz_target;
+
+fuzz_target!(|data: &[u8]| {
+    use core::convert::TryInto;
+    use store_ref_scanner::HalfBytesMask;
+    for i in data.chunks_exact(16) {
+        let a = HalfBytesMask(i.try_into().unwrap());
+        let b = a.into_expanded();
+        let c = HalfBytesMask::from_expanded(b);
+        assert_eq!(a, c);
+    }
+});