Specify corpus location

.github/scripts/run_long_fuzzers.sh

@@ -68,8 +68,14 @@ while IFS= read -r fuzz_bin; do
   if [[ -n "$FUZZ_DURATION" ]]; then
     cmd+=("--fuzz_for=${FUZZ_DURATION}")
   fi
+  env_vars=()
   if [[ -n "$CORPUS_DIR" ]]; then
-    cmd+=("--corpus_database=${CORPUS_DIR}")
+    fuzz_corpus_dir="${CORPUS_DIR}/${fuzz_name}"
+    mkdir -p "$fuzz_corpus_dir"
+    env_vars+=(
+      "FUZZTEST_TESTSUITE_OUT_DIR=${fuzz_corpus_dir}"
+      "FUZZTEST_TESTSUITE_IN_DIR=${fuzz_corpus_dir}"
+    )
   fi
-  "${cmd[@]}" | tee "$LOG_DIR/${fuzz_name}.log"
+  env "${env_vars[@]}" "${cmd[@]}" 2>&1 | tee "$LOG_DIR/${fuzz_name}.log" || true
 done <<< "$FUZZ_BINS"

.github/workflows/nightly-long-tests.yml

@@ -2,8 +2,12 @@ name: Nightly Long Tests
 
 on:
   schedule:
-    - cron: "0 0 * * *"
+    - cron: '0 7 * * *'   # midnight MDT (07:00 UTC)
   workflow_dispatch:
+    inputs:
+      fuzz_duration:
+        description: 'Duration per fuzz target (e.g. 120s, 10m)'
+        default: '600s'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -27,11 +31,11 @@ jobs:
       packages: write
       actions: read
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Restore fuzz corpus cache
         id: fuzz-corpus-cache
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           path: .fuzztest_corpus
           key: fuzz-corpus-${{ runner.os }}-${{ github.run_id }}
@@ -126,29 +130,59 @@ jobs:
           ASAN_OPTIONS: detect_leaks=1:strict_string_checks=1:check_initialization_order=1
           UBSAN_OPTIONS: halt_on_error=1:print_stacktrace=1:suppressions=/dev/null
         run: |
+          FUZZ_DURATION="${{ inputs.fuzz_duration || '600s' }}"
           "${GITHUB_WORKSPACE}/.github/scripts/run_long_fuzzers.sh" "$(pwd)" "${GITHUB_WORKSPACE}/fuzz-logs" \
-            --fuzz-for 600s \
+            --fuzz-for "$FUZZ_DURATION" \
             --corpus "${XMERA_FUZZTEST_CORPUS_DIR}"
 
+      - name: Generate fuzz report summary
+        if: ${{ always() }}
+        run: |
+          {
+            echo "## Nightly Fuzz Report — $(date -u +%Y-%m-%d)"
+            echo ""
+            echo "| Target | Corpus Files | Status |"
+            echo "|--------|-------------|--------|"
+
+            for log in fuzz-logs/*.log; do
+              [[ -f "$log" ]] || continue
+              name="$(basename "$log" .log)"
+
+              corpus_count=0
+              if [[ -d ".fuzztest_corpus" ]]; then
+                corpus_count=$(find ".fuzztest_corpus" -type f -path "*${name}*" 2>/dev/null | wc -l || echo 0)
+              fi
+
+              if grep -qiE '(SUMMARY:.*Sanitizer|crash-|==ERROR)' "$log" 2>/dev/null; then
+                status="CRASH"
+              else
+                status="OK"
+              fi
+
+              echo "| ${name} | ${corpus_count} | ${status} |"
+            done
+          } >> "$GITHUB_STEP_SUMMARY"
+
       - name: Archive fuzz logs
         if: ${{ always() }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: fuzz-logs
           path: fuzz-logs
           retention-days: 7
 
       - name: Upload fuzz corpus artifact
         if: ${{ always() }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: fuzz-corpus-${{ github.run_id }}
-          path: .fuzztest_corpus
+          path: ${{ github.workspace }}/.fuzztest_corpus/
+          include-hidden-files: true
           retention-days: 7
 
       - name: Save fuzz corpus cache
         if: ${{ always() }}
-        uses: actions/cache/save@v4
+        uses: actions/cache/save@v5
         with:
           path: .fuzztest_corpus
           key: fuzz-corpus-${{ runner.os }}-${{ github.run_id }}