Enable address sanitizer without leak detector (yet)

Fix buffer overflow in luaO_chunkid

Author: khvzak

.github/workflows/main.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@nightly
       - name: Run tests
         run: |
-          RUSTFLAGS="-D warnings" cargo test
+          RUSTFLAGS="-D warnings -Z sanitizer=address" ASAN_OPTIONS=detect_leaks=0 cargo test
 
   rustfmt:
     name: Rustfmt

src/lobject.rs

@@ -1278,6 +1278,6 @@ pub unsafe extern "C" fn luaO_chunkid(
             memcpy(out as *mut c_void, cstr!("...") as *const c_void, 3);
             out = out.add(3);
         }
-        memcpy(out as *mut c_void, cstr!("\"]") as *const c_void, 4);
+        memcpy(out as *mut c_void, cstr!("\"]") as *const c_void, 3);
     };
 }