docutils: initial integration (#9307)

Signed-off-by: David Korczynski <david@adalogics.com>

Signed-off-by: David Korczynski <david@adalogics.com>

projects/docutils/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 --depth=1 https://github.com/jwilk-mirrors/docutils docutils
+COPY *.sh *py $SRC/
+WORKDIR $SRC/docutils

projects/docutils/build.sh

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+#!/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

projects/docutils/fuzz_rst_parse.py

@@ -0,0 +1,44 @@
+#!/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
+
+from docutils import parsers, frontend, utils, ApplicationError
+
+
+def TestOneInput(data):
+    fdp = atheris.FuzzedDataProvider(data)
+    rst_parser_class = parsers.get_parser_class('rst')
+    parser = rst_parser_class()
+    document = utils.new_document(
+        fdp.ConsumeUnicodeNoSurrogates(124),
+        frontend.get_default_settings(parser)
+    )
+    try:
+        parser.parse(fdp.ConsumeUnicodeNoSurrogates(sys.maxsize), document)
+    except ApplicationError:
+        pass
+
+
+def main():
+    atheris.instrument_all()
+    atheris.Setup(sys.argv, TestOneInput, enable_python_coverage=True)
+    atheris.Fuzz()
+
+
+if __name__ == "__main__":
+    main()
+

projects/docutils/project.yaml

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+fuzzing_engines:
+- libfuzzer
+homepage: https://github.com/jwilk-mirrors/docutils
+language: python
+main_repo: https://github.com/jwilk-mirrors/docutils
+sanitizers:
+- address
+- undefined
+vendor_ccs:
+- david@adalogics.com