From c18654e7da795c00a7fc8dcae5f5d231b8198ad0 Mon Sep 17 00:00:00 2001
From: DavidKorczynski <david@adalogics.com>
Date: Fri, 9 Sep 2022 21:03:42 +0100
Subject: [PATCH] pandas: initial integration (#8459)

---
 projects/pandas/Dockerfile            | 22 ++++++++++++
 projects/pandas/build.sh              | 22 ++++++++++++
 projects/pandas/fuzz_python_parser.py | 50 +++++++++++++++++++++++++++
 projects/pandas/project.yaml          | 11 ++++++
 4 files changed, 105 insertions(+)
 create mode 100644 projects/pandas/Dockerfile
 create mode 100755 projects/pandas/build.sh
 create mode 100644 projects/pandas/fuzz_python_parser.py
 create mode 100644 projects/pandas/project.yaml

diff --git a/projects/pandas/Dockerfile b/projects/pandas/Dockerfile
new file mode 100644
index 000000000..ef049f8bd
--- /dev/null
+++ b/projects/pandas/Dockerfile
@@ -0,0 +1,22 @@
+# 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 apt-get update && apt-get install -y make autoconf automake libtool
+RUN pip3 install --upgrade pip Cython numpy
+RUN git clone --depth 1 https://github.com/pandas-dev/pandas pandas
+WORKDIR pandas
+COPY build.sh *.py $SRC/
diff --git a/projects/pandas/build.sh b/projects/pandas/build.sh
new file mode 100755
index 000000000..d45f30a8a
--- /dev/null
+++ b/projects/pandas/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.
+#
+###############################################################################
+
+python3 setup.py install
+pip3 install .
+for fuzzer in $(find $SRC -name 'fuzz_*.py'); do
+  LD_PRELOAD=$OUT/sanitizer_with_fuzzer.so ASAN_OPTIONS=detect_leaks=0 compile_python_fuzzer $fuzzer --hidden-import cmath
+done
diff --git a/projects/pandas/fuzz_python_parser.py b/projects/pandas/fuzz_python_parser.py
new file mode 100644
index 000000000..03316820d
--- /dev/null
+++ b/projects/pandas/fuzz_python_parser.py
@@ -0,0 +1,50 @@
+#!/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.
+"""Targets pandas parsers. Both native and python code"""
+
+import os
+import sys
+import atheris
+import io
+
+from pandas.errors import (
+    EmptyDataError,
+    ParserError,
+)
+
+from pandas.io.parsers import read_csv
+
+
+def TestOneInput(data):
+    fdp = atheris.FuzzedDataProvider(data)
+
+    try:
+        read_csv(io.StringIO(fdp.ConsumeUnicodeNoSurrogates(sys.maxsize)))
+    except (
+        EmptyDataError,
+        ParserError,
+        ValueError
+    ):
+        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/pandas/project.yaml b/projects/pandas/project.yaml
new file mode 100644
index 000000000..1825fb556
--- /dev/null
+++ b/projects/pandas/project.yaml
@@ -0,0 +1,11 @@
+homepage: "https://github.com/pandas-dev/pandas"
+language: python
+main_repo: "https://github.com/pandas-dev/pandas"
+fuzzing_engines:
+  - libfuzzer
+sanitizers:
+  - address
+  - undefined
+vendor_ccs:
+  - david@adalogics.com
+  - adam@adalogics.com