Reactivate xz (#11805)

Lasse and I have discussed this and we'd like oss-fuzz working again on
the repository as fixes and various cleanups continue to be committed.

The malicious test files have been purged already in
e93e13c8b3.

Obviously will need an ACK from @Larhzu.

projects/xz-java/Dockerfile

@@ -0,0 +1,24 @@
+# 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-jvm
+
+RUN apt-get install ant -y
+RUN git clone --depth 1 https://github.com/tukaani-project/xz-java $SRC/xz-java
+
+COPY build.sh $SRC/
+COPY *Fuzzer.java $SRC/
+WORKDIR $SRC/xz-java

projects/xz-java/XZEncoderFuzzer.java

@@ -0,0 +1,42 @@
+// Copyright 2024 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 com.code_intelligence.jazzer.api.FuzzedDataProvider;
+import org.tukaani.xz.LZMA2Options;
+import org.tukaani.xz.UnsupportedOptionsException;
+import org.tukaani.xz.XZOutputStream;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+public class XZEncoderFuzzer {
+    public static void fuzzerTestOneInput(FuzzedDataProvider data) {
+        ByteArrayInputStream in = new ByteArrayInputStream(data.consumeBytes(300));
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        LZMA2Options options = new LZMA2Options();
+        try {
+            options.setPreset(data.consumeInt(LZMA2Options.PRESET_MIN, LZMA2Options.PRESET_MAX));
+        } catch (UnsupportedOptionsException e) {
+            throw new RuntimeException(e);
+        }
+
+        byte[] buf = data.consumeBytes(300);
+        try {
+            XZOutputStream xzOut = new XZOutputStream(out, options);
+            xzOut.write(buf, 0, buf.length);
+            xzOut.finish();
+        } catch (IOException e) {}
+    }
+}

projects/xz-java/build.sh

@@ -0,0 +1,53 @@
+#!/bin/bash -eu
+# Copyright 2024 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.
+#
+################################################################################
+
+
+ant
+
+cp "$SRC/xz-java/build/jar/xz.jar" $OUT/
+
+ALL_JARS=$(find $OUT/ -name *.jar ! -name jazzer*.jar -printf "%f ")
+
+# The classpath at build-time includes the project jars in $OUT as well as the
+# Jazzer API.
+BUILD_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "$OUT/%s:"):$JAZZER_API_PATH
+
+# All .jar and .class files lie in the same directory as the fuzzer at runtime.
+RUNTIME_CLASSPATH=$(echo $ALL_JARS | xargs printf -- "\$this_dir/%s:"):\$this_dir
+
+for fuzzer in $(find $SRC -name '*Fuzzer.java'); do
+  fuzzer_basename=$(basename -s .java $fuzzer)
+  javac -cp $BUILD_CLASSPATH $fuzzer
+  cp $SRC/*.class $OUT/
+
+  # Create an execution wrapper that executes Jazzer with the correct arguments.
+  echo "#!/bin/bash
+# LLVMFuzzerTestOneInput for fuzzer detection.
+this_dir=\$(dirname \"\$0\")
+if [[ \"\$@\" =~ (^| )-runs=[0-9]+($| ) ]]; then
+  mem_settings='-Xmx1900m:-Xss900k'
+else
+  mem_settings='-Xmx2048m:-Xss1024k'
+fi
+LD_LIBRARY_PATH=\"$JVM_LD_LIBRARY_PATH\":\$this_dir \
+\$this_dir/jazzer_driver --agent_path=\$this_dir/jazzer_agent_deploy.jar \
+--cp=$RUNTIME_CLASSPATH \
+--target_class=$fuzzer_basename \
+--jvm_args=\"\$mem_settings\" \
+\$@" > $OUT/$fuzzer_basename
+  chmod u+x $OUT/$fuzzer_basename
+done

projects/xz-java/project.yaml

@@ -0,0 +1,10 @@
+homepage: "https://tukaani.org/xz/java.html"
+language: jvm
+primary_contact: "lasse.collin@tukaani.org"
+fuzzing_engines:
+  - libfuzzer
+main_repo: "https://github.com/tukaani-project/xz-java"
+sanitizers:
+  - address
+vendor_ccs:
+  - "bug-disclosure@code-intelligence.com"

projects/xz/Dockerfile

@@ -0,0 +1,21 @@
+# Copyright 2018 Google Inc.
+#
+# 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
+RUN apt-get update && apt-get install -y make autoconf autopoint libtool zip
+RUN git clone https://github.com/tukaani-project/xz.git
+COPY build.sh $SRC/
+WORKDIR xz

projects/xz/build.sh

@@ -0,0 +1,38 @@
+#!/bin/bash -eu
+# Copyright 2024 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.
+#
+################################################################################
+
+./autogen.sh --no-po4a --no-doxygen
+./configure \
+  --enable-static \
+  --disable-debug \
+  --disable-shared \
+  --disable-xz \
+  --disable-xzdec \
+  --disable-lzmadec \
+  --disable-lzmainfo
+
+make clean
+make -j$(nproc)
+make -C tests/ossfuzz
+
+cp $SRC/xz/tests/ossfuzz/config/*.options $OUT/
+cp $SRC/xz/tests/ossfuzz/config/*.dict $OUT/
+
+find $SRC/xz/tests/files -name "*.lzma" \
+-exec zip -ujq $OUT/fuzz_decode_alone_seed_corpus.zip "{}" \;
+find $SRC/xz/tests/files -name "*.xz" \
+-exec zip -ujq $OUT/fuzz_decode_stream_seed_corpus.zip "{}" \;

projects/xz/project.yaml

@@ -0,0 +1,15 @@
+homepage: "https://tukaani.org/xz/"
+language: c++
+primary_contact: "lasse.collin@tukaani.org"
+auto_ccs:
+  - "bshas3@gmail.com"
+  - "samjd1024@gmail.com"
+fuzzing_engines:
+  - libfuzzer
+  - afl
+  - honggfuzz
+sanitizers:
+  - address
+  - memory
+  - undefined
+main_repo: 'https://github.com/tukaani-project/xz.git'