From 95f8d1494504a95ed8d2e5e914c06cf3f395b1af Mon Sep 17 00:00:00 2001 From: DavidKorczynski Date: Wed, 14 Dec 2022 17:23:45 +0000 Subject: [PATCH] abseil-py: initial integration (#9207) Signed-off-by: David Korczynski Signed-off-by: David Korczynski --- projects/abseil-py/Dockerfile | 18 +++++++ projects/abseil-py/build.sh | 25 ++++++++++ projects/abseil-py/fuzz_argparse.py | 75 +++++++++++++++++++++++++++++ projects/abseil-py/project.yaml | 10 ++++ 4 files changed, 128 insertions(+) create mode 100644 projects/abseil-py/Dockerfile create mode 100644 projects/abseil-py/build.sh create mode 100644 projects/abseil-py/fuzz_argparse.py create mode 100644 projects/abseil-py/project.yaml diff --git a/projects/abseil-py/Dockerfile b/projects/abseil-py/Dockerfile new file mode 100644 index 000000000..49b400d66 --- /dev/null +++ b/projects/abseil-py/Dockerfile @@ -0,0 +1,18 @@ +#!/usr/bin/python3 +# Copyright 2022 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +FROM gcr.io/oss-fuzz-base/base-builder-python +RUN git clone https://github.com/abseil/abseil-py abseil-py +COPY *.sh *py $SRC/ +WORKDIR $SRC/abseil-py diff --git a/projects/abseil-py/build.sh b/projects/abseil-py/build.sh new file mode 100644 index 000000000..6b9c89337 --- /dev/null +++ b/projects/abseil-py/build.sh @@ -0,0 +1,25 @@ +#!/bin/bash -eu +# Copyright 2022 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +################################################################################ +python3 setup.py install +cd ../ +mkdir fuzzbuilds +cd fuzzbuilds + +# Build fuzzers in $OUT. +for fuzzer in $(find $SRC -name 'fuzz_*.py'); do + compile_python_fuzzer $fuzzer +done diff --git a/projects/abseil-py/fuzz_argparse.py b/projects/abseil-py/fuzz_argparse.py new file mode 100644 index 000000000..8b1a8ffa9 --- /dev/null +++ b/projects/abseil-py/fuzz_argparse.py @@ -0,0 +1,75 @@ +#!/usr/bin/python3 +# Copyright 2022 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import sys +import enum +import atheris + +from absl import flags +from absl.flags import _exceptions +from absl.flags import argparse_flags + +class FuzzEnum(enum.Enum): + VAL1 = object() + VAL2 = object() + + +def TestOneInput(data): + """Hits the logic in https://github.com/abseil/abseil-py/tree/main/absl/flags""" + fdp = atheris.FuzzedDataProvider(data) + + def rs(size): + return fdp.ConsumeUnicodeNoSurrogates(size) + + fuzz_flag_values = flags.FlagValues() + try: + flags.DEFINE_string(rs(256), None, rs(256), flag_values = fuzz_flag_values) + except _exceptions.Error: + pass + + try: + flags.DEFINE_float(rs(256), 0.0, rs(256), flag_values = fuzz_flag_values) + except _exceptions.Error: + pass + + try: + flags.DEFINE_enum_class(rs(256), None, FuzzEnum, rs(256), flag_values = fuzz_flag_values) + except _exceptions.Error: + pass + + try: + flags.DEFINE_integer(rs(256), rs(256), rs(256), flag_values = fuzz_flag_values) + except _exceptions.Error: + pass + + command_line_args = [] + for idx in range(fdp.ConsumeIntInRange(1, 20)): + command_line_args.append(rs(256)) + + # Parse it all + try: + fuzz_flag_values(command_line_args) + except _exceptions.Error: + pass + + +def main(): + atheris.instrument_all() + atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True) + atheris.Fuzz() + + +if __name__ == "__main__": + main() diff --git a/projects/abseil-py/project.yaml b/projects/abseil-py/project.yaml new file mode 100644 index 000000000..d68773ff2 --- /dev/null +++ b/projects/abseil-py/project.yaml @@ -0,0 +1,10 @@ +fuzzing_engines: +- libfuzzer +homepage: https://github.com/abseil/abseil-py +language: python +main_repo: https://github.com/abseil/abseil-py +sanitizers: +- address +- undefined +vendor_ccs: +- david@adalogics.com