diff --git a/projects/importlib_metadata/Dockerfile b/projects/importlib_metadata/Dockerfile new file mode 100644 index 000000000..a851e520c --- /dev/null +++ b/projects/importlib_metadata/Dockerfile @@ -0,0 +1,22 @@ +#!/usr/bin/python3 + +# Copyright 2023 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 pip3 install --upgrade pip +RUN git clone https://github.com/python/importlib_metadata importlib_metadata +COPY *.sh *py $SRC/ +WORKDIR $SRC/importlib_metadata diff --git a/projects/importlib_metadata/build.sh b/projects/importlib_metadata/build.sh new file mode 100644 index 000000000..42a717520 --- /dev/null +++ b/projects/importlib_metadata/build.sh @@ -0,0 +1,22 @@ +#!/bin/bash -eu + +# Copyright 2023 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. +# +########################################################################## +pip3 install . +# Build fuzzers in $OUT. +for fuzzer in $(find $SRC -name 'fuzz_*.py'); do + compile_python_fuzzer $fuzzer +done diff --git a/projects/importlib_metadata/fuzz_importlib.py b/projects/importlib_metadata/fuzz_importlib.py new file mode 100644 index 000000000..9b7b6d33a --- /dev/null +++ b/projects/importlib_metadata/fuzz_importlib.py @@ -0,0 +1,46 @@ +#!/usr/bin/python3 + +# Copyright 2023 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 atheris + +from importlib_metadata import ( + Distribution, + EntryPoints, + PathDistribution, +) + + +def TestOneInput(data): + fdp = atheris.FuzzedDataProvider(data) + fuzz_str = fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(1, 1024)) + list(Distribution._deps_from_requires_text(fuzz_str)) + try: + list(EntryPoints._from_text(fuzz_str)) + except TypeError: + pass + PathDistribution._name_from_stem(fuzz_str) + + +def main(): + atheris.instrument_all() + atheris.Setup(sys.argv, TestOneInput) + atheris.Fuzz() + + +if __name__ == "__main__": + main() diff --git a/projects/importlib_metadata/project.yaml b/projects/importlib_metadata/project.yaml new file mode 100644 index 000000000..41afd9809 --- /dev/null +++ b/projects/importlib_metadata/project.yaml @@ -0,0 +1,10 @@ +fuzzing_engines: +- libfuzzer +homepage: https://github.com/python/importlib_metadata +language: python +main_repo: https://github.com/python/importlib_metadata +sanitizers: +- address +- undefined +vendor_ccs: +- david@adalogics.com