fix build

Author: aapoalas

.github/workflows/fuzz.yml

@@ -17,9 +17,6 @@ jobs:
       # The number of seconds to run the fuzz target. 300 seconds = 5 minutes.
       FUZZ_TIME: 300
 
-      # Use address sanitizer in the fuzzing.
-      RUSTFLAGS: -Zsanitizer=address
-
     strategy:
       matrix:
         os: ["ubuntu-24.04-arm", "ubuntu-latest"]
@@ -42,8 +39,8 @@ jobs:
       - run: cargo install --root "${{ runner.tool_cache }}/cargo-fuzz" --version ${{ env.CARGO_FUZZ_VERSION }} cargo-fuzz --locked
 
       # Build and then run the fuzz target.
-      - run: cargo fuzz build ${{ matrix.fuzz_target }}
-      - run: cargo fuzz run ${{ matrix.fuzz_target }} -- -max_total_time=${{ env.FUZZ_TIME }}
+      - run: RUSTFLAGS=-Zsanitizer=address cargo fuzz build ${{ matrix.fuzz_target }}
+      - run: RUSTFLAGS=-Zsanitizer=address cargo fuzz run ${{ matrix.fuzz_target }} -- -max_total_time=${{ env.FUZZ_TIME }}
 
       # Upload fuzzing artifacts on failure for post-mortem debugging.
       - uses: actions/upload-artifact@v4