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.github/workflows/bazel_test_centipede.yml

@@ -25,66 +25,44 @@ on:
   workflow_dispatch:
 
 jobs:
-  run_tests:
-    name: Run Centipede tests
-    runs-on: ubuntu-latest
+  run_tests_mac:
+    name: Run Centipede tests (MacOS)
+    runs-on: macos-13
     timeout-minutes: 60
     strategy:
       matrix:
-        config: ['default', 'noriegeli', 'asan']
+        config: ['noriegeli']
     steps:
-      # TODO(lszekeres): Remove once the following is fixed:
-      # https://github.com/actions/runner-images/issues/9491
-      - name: Reduce ASLR entropy as a temporary workaround
-        run: |
-          sudo sysctl -w vm.mmap_rnd_bits=28
       - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Install dependencies
-        run: |
-          sudo apt-get update && sudo apt-get install -yq \
-            clang llvm libssl-dev
       - name: Restore latest cache
         uses: actions/cache/restore@v4
         with:
           path: "~/.cache/bazel"
-          key: bazel-centipede-cache-${{ matrix.config }}
-          restore-keys: bazel-centipede-cache-${{ matrix.config }}-
-      - name: Run unit tests
-        if: matrix.config == 'default'
-        run: |
-          bazel test --local_test_jobs=1 --test_output=streamed centipede:all
-      - name: Run e2e tests
-        if: matrix.config == 'default'
-        run: |
-          bazel test --test_output=errors centipede/testing:instrumentation_test centipede/testing:runner_test
-      - name: Run puzzles
-        if: matrix.config == 'default'
+          key: bazel-centipede-cache-mac-${{ matrix.config }}
+          restore-keys: bazel-centipede-cache-mac-${{ matrix.config }}-
+      - name: Add LLVM symbolizer to path
         run: |
-          bazel test --test_output=errors centipede/puzzles:all
-      - name: Run puzzles with ASAN
-        if: matrix.config == 'asan'
-        run: |
-          bazel test --test_output=errors --linkopt=-fsanitize=address --copt=-fsanitize=address centipede/puzzles:all
-      - name: Run unit tests without Riegeli
-        if: matrix.config == 'noriegeli'
-        run: |
-          bazel test --no//fuzztest:use_riegeli --local_test_jobs=1 --test_output=streamed centipede:all
+          ln -s $(brew --prefix llvm@15)/bin/llvm-symbolizer /usr/local/bin
+      # - name: Run unit tests
+      #   if: ${{ !cancelled() && matrix.config == 'noriegeli' }}
+      #   run: |
+      #     bazel test --local_test_jobs=1 --test_output=errors --no//fuzztest:use_riegeli --linkopt=-Wl,-undefined,dynamic_lookup centipede:all
       - name: Run e2e tests without Riegeli
-        if: matrix.config == 'noriegeli'
+        if: ${{ !cancelled() && matrix.config == 'noriegeli' }}
         run: |
-          bazel test --no//fuzztest:use_riegeli --test_output=errors centipede/testing:instrumentation_test centipede/testing:runner_test
+          bazel test --test_output=streamed --no//fuzztest:use_riegeli --linkopt=-Wl,-undefined,dynamic_lookup centipede/testing:instrumentation_test centipede/testing:runner_test
       - name: Run puzzles without Riegeli
-        if: matrix.config == 'noriegeli'
-        run: |
-          bazel test --no//fuzztest:use_riegeli --test_output=errors centipede/puzzles:all
-      - name: Run puzzles without Riegeli with ASAN
-        if: matrix.config == 'noriegeli'
+        if: ${{ !cancelled() && matrix.config == 'noriegeli' }}
         run: |
-          bazel test --no//fuzztest:use_riegeli --test_output=errors --linkopt=-fsanitize=address --copt=-fsanitize=address centipede/puzzles:all
+          bazel test --test_output=streamed --no//fuzztest:use_riegeli --linkopt=-Wl,-undefined,dynamic_lookup centipede/puzzles:run_1_per_input_timeout
+      # - name: Run puzzles without Riegeli with ASAN
+      #   if: ${{ !cancelled() && matrix.config == 'noriegeli' }}
+      #   run: |
+      #     bazel test --no//fuzztest:use_riegeli --test_output=errors --linkopt=-Wl,-undefined,dynamic_lookup --linkopt=-fsanitize=address --copt=-fsanitize=address centipede/puzzles:all
       - name: Save new cache based on main
         if: github.ref == 'refs/heads/main'
         uses: actions/cache/save@v4
         with:
           path: "~/.cache/bazel"
-          key: bazel-centipede-cache-${{ matrix.config }}-${{ github.run_id }}
+          key: bazel-centipede-cache-mac-${{ matrix.config }}-${{ github.run_id }}

WORKSPACE

@@ -27,6 +27,15 @@ http_archive(
     url = "https://github.com/abseil/abseil-cpp/releases/download/20240116.0/abseil-cpp-20240116.0.tar.gz"
 )
 
+http_archive(
+    name = "platforms",
+    urls = [
+        "https://mirror.bazel.build/github.com/bazelbuild/platforms/releases/download/0.0.10/platforms-0.0.10.tar.gz",
+        "https://github.com/bazelbuild/platforms/releases/download/0.0.10/platforms-0.0.10.tar.gz",
+    ],
+    sha256 = "218efe8ee736d26a3572663b374a253c012b716d8af0c07e842e82f238a0a7ee",
+)
+
 ################################################################################
 # Transitive dependencies for core FuzzTest
 ################################################################################

centipede/BUILD

@@ -351,7 +351,12 @@ cc_library(
     name = "stats",
     srcs = ["stats.cc"],
     hdrs = ["stats.h"],
-    linkopts = ["-latomic"],  # for std::atomic::load()/store().
+    linkopts = select({
+        "@platforms//os:macos": [],
+        "//conditions:default": [
+            "-latomic",  # for std::atomic::load()/store().
+        ],
+    }),
     deps = [
         ":environment",
         ":workdir",
@@ -420,7 +425,12 @@ cc_library(
     name = "shared_memory_blob_sequence",
     srcs = ["shared_memory_blob_sequence.cc"],
     hdrs = ["shared_memory_blob_sequence.h"],
-    linkopts = ["-lrt"],  # for shm_open.
+    linkopts = select({
+        "@platforms//os:macos": [],
+        "//conditions:default": [
+            "-lrt",  # for shm_open
+        ],
+    }),
     visibility = PUBLIC_API_VISIBILITY,
     deps = ["@com_google_absl//absl/base:nullability"],
     # don't add any dependencies.
@@ -702,7 +712,12 @@ cc_library(
     name = "early_exit",
     srcs = ["early_exit.cc"],
     hdrs = ["early_exit.h"],
-    linkopts = ["-latomic"],  # for std::atomic::load()/store().
+    linkopts = select({
+        "@platforms//os:macos": [],
+        "//conditions:default": [
+            "-latomic",  # for std::atomic::load()/store().
+        ],
+    }),
     visibility = PUBLIC_API_VISIBILITY,
 )
 
@@ -1015,9 +1030,13 @@ RUNNER_SANITIZED_COPTS = [
 
 RUNNER_LINKOPTS = [
     "-ldl",  # for dlsym
-    "-lrt",  # for shm_open
     "-lpthread",  # for pthread_once
-]
+] + select({
+    "@platforms//os:macos": [],
+    "//conditions:default": [
+        "-lrt",  # for shm_open
+    ],
+})
 
 # WARNING: be careful with more deps here. Use only the most trivial ones.
 RUNNER_DEPS = [
@@ -1162,8 +1181,11 @@ sh_library(
 sh_library(
     name = "test_util_sh",
     srcs = ["test_util.sh"],
-    data = [
-    ],
+    data = select({
+        "@platforms//os:macos": [],
+        "//conditions:default": [
+        ],
+    }),
 )
 
 ################################################################################

centipede/centipede_callbacks.cc

@@ -139,8 +139,8 @@ Command &CentipedeCallbacks::GetOrCreateCommandForBinary(
   Command &cmd = commands_.emplace_back(Command(
       /*path=*/binary, /*args=*/{},
       /*env=*/env,
-      /*out=*/execute_log_path_,
-      /*err=*/execute_log_path_,
+      /*out=*/"",
+      /*err=*/"",
       /*timeout=*/amortized_timeout,
       /*temp_file_path=*/temp_input_file_path_));
   if (env_.fork_server) cmd.StartForkServer(temp_dir_, Hash(binary));

centipede/centipede_callbacks.h

@@ -176,8 +176,8 @@ class CentipedeCallbacks {
       std::filesystem::path(temp_dir_).append("log");
   std::string failure_description_path_ =
       std::filesystem::path(temp_dir_).append("failure_description");
-  const std::string shmem_name1_ = ProcessAndThreadUniqueID("/centipede-shm1-");
-  const std::string shmem_name2_ = ProcessAndThreadUniqueID("/centipede-shm2-");
+  const std::string shmem_name1_ = ProcessAndThreadUniqueID("/ctpd-shm1-");
+  const std::string shmem_name2_ = ProcessAndThreadUniqueID("/ctpd-shm2-");
 
   SharedMemoryBlobSequence inputs_blobseq_;
   SharedMemoryBlobSequence outputs_blobseq_;