chore(zseri/store-ref-scanner): use tailored fuzz input r/3387

Change-Id: Ib061154c2329432469e8f7bef4598402a56bd0c3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4606
Reviewed-by: zseri <zseri.devel@ytrizja.de>
Tested-by: BuildkiteCI

1 files changed, 5 insertions, 8 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
index 0738da68b7..9e21a7738a 100644
--- a/users/zseri/store-ref-scanner/fuzz/fuzz_targets/hbm-roundtrip.rs
+++ b/users/zseri/store-ref-scanner/fuzz/fuzz_targets/hbm-roundtrip.rs
@@ -1,13 +1,10 @@
 #![no_main]
 use libfuzzer_sys::fuzz_target;
 
-fuzz_target!(|data: &[u8]| {
-    use core::convert::TryInto;
+fuzz_target!(|data: [u8; 16]| {
     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);
-    }
+    let a = HalfBytesMask(data);
+    let b = a.into_expanded();
+    let c = HalfBytesMask::from_expanded(b);
+    assert_eq!(a, c);
 });