examples/BUILD.bazel

load("@io_bazel_rules_kotlin//kotlin:jvm.bzl", "kt_jvm_library")
load("@fmeum_rules_jni//jni:defs.bzl", "java_jni_library")
load("//bazel:compat.bzl", "SKIP_ON_MACOS", "SKIP_ON_WINDOWS")
load("//bazel:fuzz_target.bzl", "java_fuzz_target_test")

java_fuzz_target_test(
    name = "Autofuzz",
    expected_findings = ["java.lang.ArrayIndexOutOfBoundsException"],
    fuzzer_args = [
        "--autofuzz=com.google.json.JsonSanitizer::sanitize",
        # Exit after the first finding for testing purposes.
        "--keep_going=1",
    ],
    runtime_deps = [
        "@maven//:com_mikesamuel_json_sanitizer",
    ],
)

java_fuzz_target_test(
    name = "ExampleFuzzer",
    srcs = [
        "src/main/java/com/example/ExampleFuzzer.java",
        "src/main/java/com/example/ExampleFuzzerHooks.java",
    ],
    # Comment out the next line to keep the fuzzer running indefinitely.
    hook_classes = ["com.example.ExampleFuzzerHooks"],
    target_class = "com.example.ExampleFuzzer",
)

java_jni_library(
    name = "example_fuzzer_with_native_lib",
    srcs = [
        "src/main/java/com/example/ExampleFuzzerWithNative.java",
    ],
    native_libs = [
        "//examples/src/main/native/com/example:native_asan",
        "//examples/src/main/native/com/example:native_ubsan",
    ],
    visibility = ["//examples/src/main/native/com/example:__pkg__"],
    deps = [
        "//agent:jazzer_api_compile_only",
    ],
)

java_fuzz_target_test(
    name = "ExampleFuzzerWithASan",
    fuzzer_args = ["--jvm_args=-Djazzer.native_lib=native_asan"],
    sanitizer = "address",
    target_class = "com.example.ExampleFuzzerWithNative",
    verify_crash_reproducer = False,
    runtime_deps = [
        ":example_fuzzer_with_native_lib",
    ],
)

java_fuzz_target_test(
    name = "ExampleFuzzerWithUBSan",
    fuzzer_args = ["--jvm_args=-Djazzer.native_lib=native_ubsan"],
    sanitizer = "undefined",
    target_class = "com.example.ExampleFuzzerWithNative",
    # Crashes at runtime without an error message.
    target_compatible_with = SKIP_ON_WINDOWS,
    verify_crash_reproducer = False,
    runtime_deps = [
        ":example_fuzzer_with_native_lib",
    ],
)

java_fuzz_target_test(
    name = "ExamplePathTraversalFuzzer",
    srcs = [
        "src/main/java/com/example/ExamplePathTraversalFuzzer.java",
        "src/main/java/com/example/ExamplePathTraversalFuzzerHooks.java",
    ],
    hook_classes = ["com.example.ExamplePathTraversalFuzzerHooks"],
    target_class = "com.example.ExamplePathTraversalFuzzer",
)

java_fuzz_target_test(
    name = "ExampleValueProfileFuzzer",
    srcs = [
        "src/main/java/com/example/ExampleValueProfileFuzzer.java",
    ],
    expected_findings = ["com.code_intelligence.jazzer.api.FuzzerSecurityIssueLow"],
    # Comment out the next line to keep the fuzzer running indefinitely.
    fuzzer_args = ["-use_value_profile=1"],
    target_class = "com.example.ExampleValueProfileFuzzer",
)

java_fuzz_target_test(
    name = "MazeFuzzer",
    srcs = [
        "src/main/java/com/example/MazeFuzzer.java",
    ],
    expected_findings = ["com.example.MazeFuzzer$$TreasureFoundException"],
    fuzzer_args = ["-use_value_profile=1"],
    target_class = "com.example.MazeFuzzer",
)

java_fuzz_target_test(
    name = "ExampleOutOfMemoryFuzzer",
    srcs = [
        "src/main/java/com/example/ExampleOutOfMemoryFuzzer.java",
    ],
    expected_findings = ["java.lang.OutOfMemoryError"],
    fuzzer_args = ["--jvm_args=-Xmx512m"],
    target_class = "com.example.ExampleOutOfMemoryFuzzer",
)

java_fuzz_target_test(
    name = "ExampleStackOverflowFuzzer",
    srcs = [
        "src/main/java/com/example/ExampleStackOverflowFuzzer.java",
    ],
    expected_findings = ["java.lang.StackOverflowError"],
    target_class = "com.example.ExampleStackOverflowFuzzer",
    # Crashes with a segfault before any stack trace printing is reached.
    target_compatible_with = SKIP_ON_MACOS,
)

# WARNING: This fuzz target uses a vulnerable version of log4j, which could result in the execution
# of arbitrary code during fuzzing if executed with an older JDK. Use at your own risk.
java_fuzz_target_test(
    name = "Log4jFuzzer",
    timeout = "long",
    srcs = [
        "src/main/java/com/example/Log4jFuzzer.java",
    ],
    fuzzer_args = [
        "-fork=4",
        "-use_value_profile=1",
    ],
    # Finding this bug takes ~5 minutes on a decent laptop, but the GitHub Actions machines are not
    # powerful enough to run it as part of our test suite.
    tags = ["manual"],
    target_class = "com.example.Log4jFuzzer",
    deps = [
        "@maven//:org_apache_logging_log4j_log4j_api",
        "@maven//:org_apache_logging_log4j_log4j_core",
    ],
)

java_fuzz_target_test(
    name = "JpegImageParserFuzzer",
    size = "enormous",
    srcs = [
        "src/main/java/com/example/JpegImageParserFuzzer.java",
    ],
    expected_findings = ["java.lang.NegativeArraySizeException"],
    fuzzer_args = [
        "-fork=3",
    ],
    target_class = "com.example.JpegImageParserFuzzer",
    # The exit codes of the forked libFuzzer processes are not picked up correctly.
    target_compatible_with = SKIP_ON_MACOS,
    deps = [
        "@maven//:org_apache_commons_commons_imaging",
    ],
)

java_fuzz_target_test(
    name = "GifImageParserFuzzer",
    srcs = [
        "src/main/java/com/example/GifImageParserFuzzer.java",
    ],
    expected_findings = [
        "java.lang.ArrayIndexOutOfBoundsException",
        "java.lang.IllegalArgumentException",
        "java.lang.OutOfMemoryError",
    ],
    target_class = "com.example.GifImageParserFuzzer",
    deps = [
        "@maven//:org_apache_commons_commons_imaging",
    ],
)

java_fuzz_target_test(
    name = "TiffImageParserFuzzer",
    srcs = [
        "src/main/java/com/example/TiffImageParserFuzzer.java",
    ],
    tags = ["manual"],
    target_class = "com.example.TiffImageParserFuzzer",
    deps = [
        "@maven//:org_apache_commons_commons_imaging",
    ],
)

java_fuzz_target_test(
    name = "JsonSanitizerCrashFuzzer",
    srcs = [
        "src/main/java/com/example/JsonSanitizerCrashFuzzer.java",
    ],
    expected_findings = ["java.lang.IndexOutOfBoundsException"],
    target_class = "com.example.JsonSanitizerCrashFuzzer",
    deps = [
        "@maven//:com_mikesamuel_json_sanitizer",
    ],
)

java_fuzz_target_test(
    name = "JsonSanitizerDenylistFuzzer",
    srcs = [
        "src/main/java/com/example/JsonSanitizerDenylistFuzzer.java",
    ],
    expected_findings = ["java.lang.AssertionError"],
    target_class = "com.example.JsonSanitizerDenylistFuzzer",
    deps = [
        "@maven//:com_mikesamuel_json_sanitizer",
    ],
)

java_binary(
    name = "JsonSanitizerReplayerCrash",
    data = [
        ":json_sanitizer_denylist_crash",
    ],
    main_class = "com.code_intelligence.jazzer.replay.Replayer",
    runtime_deps = [
        ":JsonSanitizerDenylistFuzzer_target_deploy.jar",
        "//agent/src/main/java/com/code_intelligence/jazzer/replay:Replayer_deploy.jar",
    ],
)

sh_test(
    name = "JsonSanitizerReplayerCrashTest",
    srcs = ["check_for_finding.sh"],
    args = [
        "jazzer/$(rootpath :JsonSanitizerReplayerCrash)",
        "com.example.JsonSanitizerDenylistFuzzer",
        "jazzer/$(rootpath :json_sanitizer_denylist_crash)",
    ],
    data = [
        ":JsonSanitizerReplayerCrash",
        ":json_sanitizer_denylist_crash",
    ],
    deps = [
        "@bazel_tools//tools/bash/runfiles",
    ],
)

java_fuzz_target_test(
    name = "JsonSanitizerIdempotenceFuzzer",
    srcs = [
        "src/main/java/com/example/JsonSanitizerIdempotenceFuzzer.java",
    ],
    expected_findings = ["java.lang.AssertionError"],
    target_class = "com.example.JsonSanitizerIdempotenceFuzzer",
    deps = [
        "@maven//:com_mikesamuel_json_sanitizer",
    ],
)

java_fuzz_target_test(
    name = "JsonSanitizerValidJsonFuzzer",
    srcs = [
        "src/main/java/com/example/JsonSanitizerValidJsonFuzzer.java",
    ],
    expected_findings = ["com.code_intelligence.jazzer.api.FuzzerSecurityIssueLow"],
    target_class = "com.example.JsonSanitizerValidJsonFuzzer",
    deps = [
        "@maven//:com_google_code_gson_gson",
        "@maven//:com_mikesamuel_json_sanitizer",
    ],
)

java_fuzz_target_test(
    name = "JacksonCborFuzzer",
    srcs = [
        "src/main/java/com/example/JacksonCborFuzzer.java",
    ],
    expected_findings = ["java.lang.NullPointerException"],
    target_class = "com.example.JacksonCborFuzzer",
    deps = [
        "@maven//:com_fasterxml_jackson_core_jackson_core",
        "@maven//:com_fasterxml_jackson_core_jackson_databind",
        "@maven//:com_fasterxml_jackson_dataformat_jackson_dataformat_cbor",
    ],
)

java_fuzz_target_test(
    name = "FastJsonFuzzer",
    srcs = [
        "src/main/java/com/example/FastJsonFuzzer.java",
    ],
    expected_findings = ["java.lang.NumberFormatException"],
    target_class = "com.example.FastJsonFuzzer",
    deps = [
        "@maven//:com_alibaba_fastjson",
    ],
)

kt_jvm_library(
    name = "KlaxonFuzzTarget",
    srcs = [
        "src/main/java/com/example/KlaxonFuzzer.kt",
    ],
    deps = [
        "//agent:jazzer_api_compile_only",
        "@maven//:com_beust_klaxon",
    ],
)

java_fuzz_target_test(
    name = "KlaxonFuzzer",
    expected_findings = [
        "java.lang.ClassCastException",
        "java.lang.IllegalStateException",
        "java.lang.NumberFormatException",
    ],
    fuzzer_args = [
        "--keep_going=7",
    ],
    target_class = "com.example.KlaxonFuzzer",
    runtime_deps = [":KlaxonFuzzTarget"],
)

java_fuzz_target_test(
    name = "TurboJpegFuzzer",
    srcs = [
        "src/main/java/com/example/TurboJpegFuzzer.java",
    ],
    data = [
        "@libjpeg_turbo//:turbojpeg_native",
    ],
    fuzzer_args = [
        "-rss_limit_mb=8196",
    ],
    sanitizer = "address",
    tags = ["manual"],
    target_class = "com.example.TurboJpegFuzzer",
    deps = [
        "@libjpeg_turbo//:turbojpeg_java",
    ],
)

java_binary(
    name = "examples",
    create_executable = False,
    visibility = ["//visibility:public"],
    runtime_deps = [
        ":ExampleFuzzer_target_deploy.jar",
        ":ExampleValueProfileFuzzer_target_deploy.jar",
        ":FastJsonFuzzer_target_deploy.jar",
        ":JacksonCborFuzzer_target_deploy.jar",
        ":JpegImageParserFuzzer_target_deploy.jar",
        ":JsonSanitizerDenylistFuzzer_target_deploy.jar",
    ],
)