Exemple #1
0
def main() -> None:
    parser = argparse.ArgumentParser(
        description=
        "A script that creates a README and bug_report directory for a test and its result_dir."
    )

    parser.add_argument(
        "source_dir",
        help="Source directory containing test.json and shaders.")

    parser.add_argument(
        "result_dir",
        help=
        "Path to the result_dir of a test containing e.g. the intermediate shader files, log.txt, etc.",
    )

    parser.add_argument(
        "--output_dir",
        help=
        "Output directory where the README and bug_report directory will be written.",
        default=".",
    )

    parsed_args = parser.parse_args(sys.argv[1:])

    source_dir = Path(parsed_args.source_dir)
    result_dir = Path(parsed_args.result_dir)
    output_dir = Path(parsed_args.output_dir)

    check_dir_exists(source_dir)
    check_dir_exists(result_dir)

    test = test_util.metadata_read_from_path(source_dir /
                                             test_util.TEST_METADATA)

    binary_manager = binaries_util.get_default_binary_manager(
        settings=Settings()).get_child_binary_manager(
            binary_list=list(test.binaries) + list(test.device.binaries))

    check(test.HasField("glsl"),
          AssertionError("Only glsl tests currently supported"))

    check(
        test.device.HasField("preprocess"),
        AssertionError("Only preprocess device tests currently supported"),
    )

    fuzz_test_util.tool_crash_summary_bug_report_dir(source_dir, result_dir,
                                                     output_dir,
                                                     binary_manager)
Exemple #2
0
def main_helper(  # pylint: disable=too-many-locals, too-many-branches, too-many-statements;
    settings_path: Path,
    iteration_seed_override: Optional[int] = None,
    fuzzing_tool_pattern: Optional[List[FuzzingTool]] = None,
    allow_no_stack_traces: bool = False,
    override_sigint: bool = True,
    use_amber_vulkan_loader: bool = False,
    active_device_names: Optional[List[str]] = None,
    update_ignored_crash_signatures_gerrit_cookie: Optional[str] = None,
) -> None:

    if not fuzzing_tool_pattern:
        fuzzing_tool_pattern = [FuzzingTool.GLSL_FUZZ]

    util.update_gcov_environment_variable_if_needed()

    if override_sigint:
        interrupt_util.override_sigint()

    try_get_root_file()

    settings = settings_util.read_or_create(settings_path)

    binary_manager = binaries_util.get_default_binary_manager(
        settings=settings)

    temp_dir = Path() / "temp"

    # Note: we use "is not None" so that if the user passes an empty Gerrit cookie, we still try to execute this code.
    if update_ignored_crash_signatures_gerrit_cookie is not None:
        git_tool = util.tool_on_path("git")
        downloaded_graphicsfuzz_tests_dir = (
            temp_dir / f"graphicsfuzz_cts_tests_{get_random_name()[:8]}")
        work_dir = temp_dir / f"graphicsfuzz_cts_run_{get_random_name()[:8]}"
        download_cts_gf_tests.download_cts_graphicsfuzz_tests(
            git_tool=git_tool,
            cookie=update_ignored_crash_signatures_gerrit_cookie,
            output_tests_dir=downloaded_graphicsfuzz_tests_dir,
        )
        download_cts_gf_tests.extract_shaders(
            tests_dir=downloaded_graphicsfuzz_tests_dir,
            binaries=binary_manager)
        with util.file_open_text(work_dir / "results.csv",
                                 "w") as results_out_handle:
            run_cts_gf_tests.main_helper(
                tests_dir=downloaded_graphicsfuzz_tests_dir,
                work_dir=work_dir,
                binaries=binary_manager,
                settings=settings,
                active_devices=devices_util.get_active_devices(
                    settings.device_list),
                results_out_handle=results_out_handle,
                updated_settings_output_path=settings_path,
            )
        return

    active_devices = devices_util.get_active_devices(
        settings.device_list, active_device_names=active_device_names)

    # Add host_preprocessor device from device list if it is missing.
    if not active_devices[0].HasField("preprocess"):
        for device in settings.device_list.devices:
            if device.HasField("preprocess"):
                active_devices.insert(0, device)
                break

    # Add host_preprocessor device (from scratch) if it is still missing.
    if not active_devices[0].HasField("preprocess"):
        active_devices.insert(
            0, Device(name="host_preprocessor", preprocess=DevicePreprocess()))

    reports_dir = Path() / "reports"
    fuzz_failures_dir = reports_dir / FUZZ_FAILURES_DIR_NAME
    references_dir = Path() / REFERENCES_DIR
    donors_dir = Path() / DONORS_DIR
    spirv_fuzz_shaders_dir = Path() / "spirv_fuzz_shaders"

    # Log a warning if there is no tool on the PATH for printing stack traces.
    prepended = util.prepend_catchsegv_if_available([], log_warning=True)
    if not allow_no_stack_traces and not prepended:
        raise AssertionError("Stopping because we cannot get stack traces.")

    spirv_fuzz_shaders: List[Path] = []
    references: List[Path] = []

    if FuzzingTool.SPIRV_FUZZ in fuzzing_tool_pattern:
        check_dir_exists(spirv_fuzz_shaders_dir)
        spirv_fuzz_shaders = sorted(spirv_fuzz_shaders_dir.rglob("*.json"))

    if FuzzingTool.GLSL_FUZZ in fuzzing_tool_pattern:
        check_dir_exists(references_dir)
        check_dir_exists(donors_dir)
        # TODO: make GraphicsFuzz find donors recursively.
        references = sorted(references_dir.rglob("*.json"))
        # Filter to only include .json files that have at least one shader (.frag, .vert, .comp) file.
        references = [
            ref for ref in references if shader_job_util.get_related_files(ref)
        ]

    if use_amber_vulkan_loader:
        library_path = binary_manager.get_binary_path_by_name(
            binaries_util.AMBER_VULKAN_LOADER_NAME).path.parent
        util.add_library_paths_to_environ([library_path], os.environ)

    fuzzing_tool_index = 0

    while True:

        interrupt_util.interrupt_if_needed()

        # We have to use "is not None" because the seed could be 0.
        if iteration_seed_override is not None:
            iteration_seed = iteration_seed_override
        else:
            iteration_seed = secrets.randbits(ITERATION_SEED_BITS)

        log(f"Iteration seed: {iteration_seed}")
        random.seed(iteration_seed)

        staging_name = get_random_name()[:8]
        staging_dir = temp_dir / staging_name

        try:
            util.mkdir_p_new(staging_dir)
        except FileExistsError:
            if iteration_seed_override is not None:
                raise
            log(f"Staging directory already exists: {str(staging_dir)}")
            log("Starting new iteration.")
            continue

        # Pseudocode:
        #  - Create test_dir(s) in staging directory.
        #  - Run test_dir(s) on all active devices (stop early if appropriate).
        #  - For each test failure on each device, copy the test to reports_dir, adding the device and crash signature.
        #  - Reduce each report (on the given device).
        #  - Produce a summary for each report.

        fuzzing_tool = fuzzing_tool_pattern[fuzzing_tool_index]
        fuzzing_tool_index = (fuzzing_tool_index +
                              1) % len(fuzzing_tool_pattern)

        if fuzzing_tool == FuzzingTool.SPIRV_FUZZ:
            fuzz_spirv_test.fuzz_spirv(
                staging_dir,
                reports_dir,
                fuzz_failures_dir,
                active_devices,
                spirv_fuzz_shaders,
                settings,
                binary_manager,
            )
        elif fuzzing_tool == FuzzingTool.GLSL_FUZZ:
            fuzz_glsl_test.fuzz_glsl(
                staging_dir,
                reports_dir,
                fuzz_failures_dir,
                active_devices,
                references,
                donors_dir,
                settings,
                binary_manager,
            )
        else:
            raise AssertionError(f"Unknown fuzzing tool: {fuzzing_tool}")

        if iteration_seed_override is not None:
            log("Stopping due to iteration_seed")
            break
        shutil.rmtree(staging_dir)
Exemple #3
0
def main_helper(  # pylint: disable=too-many-locals, too-many-branches, too-many-statements;
    settings_path: Path,
    iteration_seed_override: Optional[int],
    use_spirv_fuzz: bool,
    force_no_stack_traces: bool,
) -> None:

    util.update_gcov_environment_variable_if_needed()

    try:
        artifact_util.artifact_path_get_root()
    except FileNotFoundError:
        log(
            "Could not find ROOT file (in the current directory or above) to mark where binaries should be stored. "
            "Creating a ROOT file in the current directory."
        )
        util.file_write_text(Path(artifact_util.ARTIFACT_ROOT_FILE_NAME), "")

    settings = settings_util.read_or_create(settings_path)

    active_devices = devices_util.get_active_devices(settings.device_list)

    reports_dir = Path() / "reports"
    fuzz_failures_dir = reports_dir / FUZZ_FAILURES_DIR_NAME
    temp_dir = Path() / "temp"
    references_dir = Path() / "references"
    donors_dir = Path() / "donors"
    spirv_fuzz_shaders_dir = Path() / "spirv_fuzz_shaders"

    # Log a warning if there is no tool on the PATH for printing stack traces.
    prepended = util.prepend_catchsegv_if_available([], log_warning=True)
    if not force_no_stack_traces and not prepended:
        raise AssertionError("Stopping because we cannot get stack traces.")

    spirv_fuzz_shaders: List[Path] = []
    references: List[Path] = []

    if use_spirv_fuzz:
        check_dir_exists(spirv_fuzz_shaders_dir)
        spirv_fuzz_shaders = sorted(spirv_fuzz_shaders_dir.rglob("*.json"))
    else:
        check_dir_exists(references_dir)
        check_dir_exists(donors_dir)
        # TODO: make GraphicsFuzz find donors recursively.
        references = sorted(references_dir.rglob("*.json"))
        # Filter to only include .json files that have at least one shader (.frag, .vert, .comp) file.
        references = [
            ref for ref in references if shader_job_util.get_related_files(ref)
        ]

    binary_manager = binaries_util.get_default_binary_manager(
        settings=settings
    ).get_child_binary_manager(list(settings.custom_binaries), prepend=True)

    while True:

        # We have to use "is not None" because the seed could be 0.
        if iteration_seed_override is not None:
            iteration_seed = iteration_seed_override
        else:
            iteration_seed = secrets.randbits(ITERATION_SEED_BITS)

        log(f"Iteration seed: {iteration_seed}")
        random.seed(iteration_seed)

        staging_name = get_random_name()[:8]
        staging_dir = temp_dir / staging_name

        try:
            util.mkdir_p_new(staging_dir)
        except FileExistsError:
            if iteration_seed_override is not None:
                raise
            log(f"Staging directory already exists: {str(staging_dir)}")
            log(f"Starting new iteration.")
            continue

        # Pseudocode:
        #  - Create test_dir(s) in staging directory.
        #  - Run test_dir(s) on all active devices (stop early if appropriate).
        #  - For each test failure on each device, copy the test to reports_dir, adding the device and crash signature.
        #  - Reduce each report (on the given device).
        #  - Produce a summary for each report.

        if use_spirv_fuzz:
            fuzz_spirv_test.fuzz_spirv(
                staging_dir,
                reports_dir,
                fuzz_failures_dir,
                active_devices,
                spirv_fuzz_shaders,
                settings,
                binary_manager,
            )
        else:
            fuzz_glsl_test.fuzz_glsl(
                staging_dir,
                reports_dir,
                fuzz_failures_dir,
                active_devices,
                references,
                donors_dir,
                settings,
                binary_manager,
            )

        shutil.rmtree(staging_dir)

        if iteration_seed_override is not None:
            log("Stopping due to iteration_seed")
            break
def main() -> None:  # pylint: disable=too-many-locals;
    parser = argparse.ArgumentParser(
        description=
        "Classifies spirv-fuzz tests via the set of remaining transformation types."
    )

    parser.add_argument(
        "--tests_dir",
        help=
        "The directory in which to search for tests by looking for summary/ directories.",
        default=str(Path("") / "reports" / "crashes" / "bad_image"),
    )

    parsed_args = parser.parse_args(sys.argv[1:])

    tests_dir: Path = Path(parsed_args.tests_dir)

    check_dir_exists(tests_dir)

    summary_dirs: List[Path] = list(tests_dir.glob("**/summary"))
    summary_dirs = [d for d in summary_dirs if d.is_dir()]
    summary_dirs = sorted(summary_dirs)

    check(
        bool(summary_dirs),
        AssertionError(f"No summary dirs found under {str(tests_dir)}"),
    )

    signature_to_dirs: Dict[str, List[Path]] = {}
    # For each summary directory, get its signature based on the transformation types remaining
    # and add the info to |signature_to_dirs|.
    for summary_dir in summary_dirs:
        log(f"Checking {summary_dir}")
        transformations_json = util.file_read_text(
            summary_dir / "reduced_1" / "variant" /
            "shader.frag.transformations_json")
        transformations = json.loads(transformations_json)

        # E.g.
        # {
        #  "transformation": [
        #   {
        #    "addConstantScalar": {...}
        #   },
        #   {
        #    "addConstantComposite": {...}
        #   },
        #   ...,
        # }

        transformation_types: Set[str] = set()

        transformation_list = transformations["transformation"]

        check(
            bool(transformation_list),
            AssertionError(
                f"No transformations found for {str(transformations_json)}"),
        )

        for transformation in transformation_list:
            keys = transformation.keys()

            check(
                len(keys) == 1,
                AssertionError(
                    f"Transformation had more than one key: {transformation}"),
            )
            transformation_types.add(list(keys)[0])

        transformation_types -= COMMON_TRANSFORMATION_TYPES

        transformation_types_sorted = sorted(transformation_types)
        signature = "_".join(transformation_types_sorted)
        log(f"signature: {signature}")

        # Add to or update the map.
        signature_to_dirs.setdefault(signature, []).append(summary_dir)

    log("\n\nTable:\n")

    for (signature, cases) in sorted(signature_to_dirs.items(),
                                     key=lambda item: item[0]):
        log(f"{signature}:")
        for case in cases:
            log(f"  {str(case)}")