Add fuzzing integration for rust-url

projects/rust-url/Dockerfile

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+# Copyright 2026 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-rust
+
+RUN git clone --depth 1 https://github.com/servo/rust-url rust-url
+WORKDIR $SRC
+
+COPY build.sh $SRC/

projects/rust-url/build.sh

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+#!/bin/bash -eu
+# Copyright 2026 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.
+#
+################################################################################
+
+cd $SRC/rust-url
+
+# Build all workspace-level fuzz targets
+cd fuzz
+cargo fuzz build -O
+
+# Copy all fuzz targets to $OUT
+for target in fuzz_url_parse_roundtrip fuzz_url_differential fuzz_url_setters fuzz_idna fuzz_data_url fuzz_form_urlencoded fuzz_percent_encoding; do
+  cp target/x86_64-unknown-linux-gnu/release/$target $OUT/
+done
+
+# Copy seed corpus
+if [ -d corpus/seed ]; then
+  for target in fuzz_url_parse_roundtrip fuzz_url_differential fuzz_url_setters fuzz_idna fuzz_data_url fuzz_form_urlencoded fuzz_percent_encoding; do
+    mkdir -p $OUT/${target}_seed_corpus
+    cp corpus/seed/* $OUT/${target}_seed_corpus/
+    cd $OUT && zip -j ${target}_seed_corpus.zip ${target}_seed_corpus/* && rm -rf ${target}_seed_corpus
+    cd $SRC/rust-url/fuzz
+  done
+fi
+
+# Copy dictionary
+if [ -f fuzz.dict ]; then
+  for target in fuzz_url_parse_roundtrip fuzz_url_differential fuzz_url_setters fuzz_idna fuzz_data_url fuzz_form_urlencoded fuzz_percent_encoding; do
+    cp fuzz.dict $OUT/${target}.dict
+  done
+fi

projects/rust-url/project.yaml

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+homepage: "https://github.com/servo/rust-url"
+language: rust
+primary_contact: "manishsmail@gmail.com"
+auto_ccs:
+  - "jaredreyespt@gmail.com"
+vendor_ccs:
+  - "jaredreyespt@gmail.com"
+sanitizers:
+  - address
+  - undefined
+main_repo: "https://github.com/servo/rust-url"