Revive self-hosted CI (#3045)

* revive CI

* cici

.github/workflows/build_and_test.yml

@@ -370,58 +370,58 @@ jobs:
         shell: bash
         run: RUN_ON_CI=1 LLVM_CONFIG=llvm-config-${{env.MAIN_LLVM_VERSION}} ./scripts/test_fuzzer.sh ${{ matrix.fuzzer }}
 
-  # fuzzers-qemu-user:
-  #   needs:
-  #     - changes
-  #   if: ${{ needs.changes.outputs.qemu == 'true' }}
-  #   strategy:
-  #     matrix:
-  #       os: [ubuntu-24.04]
-  #       fuzzer:
+  fuzzers-qemu-user:
+    needs:
+      - changes
+    if: ${{ needs.changes.outputs.qemu == 'true' }}
+    strategy:
+      matrix:
+        os: [ubuntu-24.04]
+        fuzzer:
           # Binary only
-  #         - ./fuzzers/binary_only/qemu_cmin
-  #         - ./fuzzers/binary_only/qemu_coverage
-  #         - ./fuzzers/binary_only/qemu_launcher
-  #       arch:
-  #         # unless somebody pays us for the servers.
-  #         # - aarch64
-  #         # - arm
-  #         # - i386
-  #         # - ppc
-  #         - x86_64
-  #
-  #   runs-on: [ self-hosted, qemu ]
-  #   container: registry.gitlab.com/qemu-project/qemu/qemu/ubuntu2204:latest
-  #   steps:
-  #     - uses: actions/checkout@v4
-  #     - uses: ./.github/workflows/qemu-fuzzer-tester-prepare
-  #     - name: Build and run example QEMU fuzzers (Linux)
-  #       if: runner.os == 'Linux'
-  #       shell: bash
-  #       run: ARCH=${{ matrix.arch }} RUN_ON_CI=1 LLVM_CONFIG=llvm-config-${{env.MAIN_LLVM_VERSION}} ./scripts/test_fuzzer.sh ${{ matrix.fuzzer }}
-  #
-  # fuzzers-qemu-system:
-  #   needs:
-  #     - changes
-  #   if: ${{ needs.changes.outputs.qemu == 'true' }}
-  #   strategy:
-  #     matrix:
-  #       os: [ubuntu-24.04]
-  #       fuzzer:
+          - ./fuzzers/binary_only/qemu_cmin
+          - ./fuzzers/binary_only/qemu_coverage
+          - ./fuzzers/binary_only/qemu_launcher
+        arch:
+          # unless somebody pays us for the servers.
+          # - aarch64
+          # - arm
+          # - i386
+          # - ppc
+          - x86_64
+
+    runs-on: [ self-hosted, qemu ]
+    container: registry.gitlab.com/qemu-project/qemu/qemu/ubuntu2204:latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/workflows/qemu-fuzzer-tester-prepare
+      - name: Build and run example QEMU fuzzers (Linux)
+        if: runner.os == 'Linux'
+        shell: bash
+        run: ARCH=${{ matrix.arch }} RUN_ON_CI=1 LLVM_CONFIG=llvm-config-${{env.MAIN_LLVM_VERSION}} ./scripts/test_fuzzer.sh ${{ matrix.fuzzer }}
+
+  fuzzers-qemu-system:
+    needs:
+      - changes
+    if: ${{ needs.changes.outputs.qemu == 'true' }}
+    strategy:
+      matrix:
+        os: [ubuntu-24.04]
+        fuzzer:
           # Full-system
-  #         - ./fuzzers/full_system/qemu_baremetal
-  #         - ./fuzzers/full_system/qemu_linux_kernel
-  #         - ./fuzzers/full_system/qemu_linux_process
-  #
-  #   runs-on: [ self-hosted, qemu ]
-  #   container: registry.gitlab.com/qemu-project/qemu/qemu/ubuntu2204:latest
-  #   steps:
-  #     - uses: actions/checkout@v4
-  #     - uses: ./.github/workflows/qemu-fuzzer-tester-prepare
-  #     - name: Build and run example QEMU fuzzers (Linux)
-  #       if: runner.os == 'Linux'
-  #       shell: bash
-  #       run: RUN_ON_CI=1 LLVM_CONFIG=llvm-config-${{env.MAIN_LLVM_VERSION}} ./scripts/test_fuzzer.sh ${{ matrix.fuzzer }}
+          - ./fuzzers/full_system/qemu_baremetal
+          - ./fuzzers/full_system/qemu_linux_kernel
+          - ./fuzzers/full_system/qemu_linux_process
+
+    runs-on: [ self-hosted, qemu ]
+    container: registry.gitlab.com/qemu-project/qemu/qemu/ubuntu2204:latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/workflows/qemu-fuzzer-tester-prepare
+      - name: Build and run example QEMU fuzzers (Linux)
+        if: runner.os == 'Linux'
+        shell: bash
+        run: RUN_ON_CI=1 LLVM_CONFIG=llvm-config-${{env.MAIN_LLVM_VERSION}} ./scripts/test_fuzzer.sh ${{ matrix.fuzzer }}
 
   nostd-build:
     runs-on: ubuntu-24.04