From b1f99d8af25407d480b34314cd11cea72c8b640f Mon Sep 17 00:00:00 2001 From: DavidKorczynski Date: Fri, 2 Dec 2022 18:17:15 +0000 Subject: [PATCH] pasta: initial integration (#9114) Signed-off-by: David Korczynski Signed-off-by: David Korczynski --- projects/pasta/Dockerfile | 19 +++++++++++++++ projects/pasta/build.sh | 22 +++++++++++++++++ projects/pasta/fuzz_parse.py | 47 ++++++++++++++++++++++++++++++++++++ projects/pasta/project.yaml | 10 ++++++++ 4 files changed, 98 insertions(+) create mode 100644 projects/pasta/Dockerfile create mode 100644 projects/pasta/build.sh create mode 100644 projects/pasta/fuzz_parse.py create mode 100644 projects/pasta/project.yaml diff --git a/projects/pasta/Dockerfile b/projects/pasta/Dockerfile new file mode 100644 index 000000000..1d1257d98 --- /dev/null +++ b/projects/pasta/Dockerfile @@ -0,0 +1,19 @@ +#!/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/google/pasta pasta +RUN python3 -m pip install --upgrade pip && pip install pysecsan +COPY *.sh *py $SRC/ +WORKDIR $SRC/pasta diff --git a/projects/pasta/build.sh b/projects/pasta/build.sh new file mode 100644 index 000000000..a6922c0de --- /dev/null +++ b/projects/pasta/build.sh @@ -0,0 +1,22 @@ +#!/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. +# +################################################################################ +pip3 install . + +# Build fuzzers in $OUT. +for fuzzer in $(find $SRC -name 'fuzz_*.py'); do + compile_python_fuzzer $fuzzer +done \ No newline at end of file diff --git a/projects/pasta/fuzz_parse.py b/projects/pasta/fuzz_parse.py new file mode 100644 index 000000000..5b913d0a8 --- /dev/null +++ b/projects/pasta/fuzz_parse.py @@ -0,0 +1,47 @@ +#!/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 atheris + +import pasta + +# For detecting security-sensitive issues +import pysecsan +pysecsan.sanlib.sanitizer_log_level = 30 +pysecsan.add_hooks() + + +@atheris.instrument_func +def TestOneInput(data): + fdp = atheris.FuzzedDataProvider(data) + try: + pasta.parse(fdp.ConsumeUnicodeNoSurrogates(8096)) + except ( + SyntaxError, # thrown by ast fast + ValueError, # thrown by ast fast + pasta.base.annotate.AnnotationError, # pasta-thrown error + MemoryError # For stack overflows + ): + 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/pasta/project.yaml b/projects/pasta/project.yaml new file mode 100644 index 000000000..5eaba358e --- /dev/null +++ b/projects/pasta/project.yaml @@ -0,0 +1,10 @@ +fuzzing_engines: +- libfuzzer +homepage: https://github.com/google/pasta +language: python +main_repo: https://github.com/google/pasta +sanitizers: +- address +- undefined +vendor_ccs: +- david@adalogics.com \ No newline at end of file