Avoid no-op in ByteRandMutator (#999)

2023-01-17 11:07:50 +01:00 · 2023-01-17 11:07:50 +01:00 · 15c1c0fb5e
commit 15c1c0fb5e
parent 7cf7d545a6
1 changed files with 1 additions and 1 deletions
--- a/libafl/src/mutators/mutations.rs
+++ b/libafl/src/mutators/mutations.rs
@ -311,7 +311,7 @@ where
            Ok(MutationResult::Skipped)
        } else {
            let byte = state.rand_mut().choose(input.bytes_mut());
-            *byte = state.rand_mut().next() as u8;
+            *byte ^= 1 + state.rand_mut().below(254) as u8;
            Ok(MutationResult::Mutated)
        }
    }