cflite: no longer download OSS-Fuzz corpus

.clusterfuzzlite/Dockerfile

@@ -7,7 +7,5 @@ RUN sed -i -e '/^#\s*deb-src.*\smain\s\+restricted/s/^#//' /etc/apt/sources.list
     # libbpf build dependencies \
     apt-get install -y --no-install-recommends libz-dev libz-dev:i386
 COPY .clusterfuzzlite/build.sh $SRC
-RUN git clone --depth 1 https://github.com/libbpf/libbpf
-WORKDIR libbpf
 COPY . $SRC/libbpf
 WORKDIR $SRC/libbpf

.github/workflows/cflite_batch.yml

@@ -1,7 +1,7 @@
 name: ClusterFuzzLite batch fuzzing
 on:
   schedule:
-    - cron: '0/10 * * * *'
+    - cron: '0 0/2 * * *'
 permissions: read-all
 jobs:
   BatchFuzzing:

.github/workflows/cflite_prune.yml

@@ -0,0 +1,19 @@
+name: ClusterFuzzLite prune
+on:
+  schedule:
+    - cron: '0/10 0 * * *'
+permissions: read-all
+jobs:
+  Pruning:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Build Fuzzers
+      id: build
+      uses: google/clusterfuzzlite/actions/build_fuzzers@v1
+    - name: Run Fuzzers
+      id: run
+      uses: google/clusterfuzzlite/actions/run_fuzzers@v1
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        fuzz-seconds: 180
+        mode: 'prune'

scripts/build-fuzzers.sh

@@ -55,6 +55,4 @@ make -C src -j$(nproc) CFLAGS="-I$elfutils/libelf $CFLAGS" BUILD_STATIC_ONLY=y V
 $CC $CFLAGS -Isrc -Iinclude -Iinclude/uapi -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -c .clusterfuzzlite/bpf-object-fuzzer.c -o bpf-object-fuzzer.o
 $CXX $CXXFLAGS $LIB_FUZZING_ENGINE bpf-object-fuzzer.o src/libbpf.a "$elfutils/libelf/libelf.a" -l:libz.a -o "$OUT/bpf-object-fuzzer"
 
-wget -O "$OUT/bpf-object-fuzzer_seed_corpus.zip" https://storage.googleapis.com/libbpf-backup.clusterfuzz-external.appspot.com/corpus/libFuzzer/libbpf_bpf-object-fuzzer/public.zip
-
 rm -rf "$elfutils"