[multierr] initial integration (#10298)

Signed-off-by: AdamKorcz <adam@adalogics.com>

projects/multierr/Dockerfile

@@ -0,0 +1,20 @@
+# 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-go
+RUN git clone --depth 1 https://github.com/uber-go/multierr
+WORKDIR $SRC/multierr
+COPY build.sh fuzz_test.go $SRC/

projects/multierr/build.sh

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+#!/bin/bash -eu
+# 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.
+#
+################################################################################
+
+cp $SRC/fuzz_test.go ./
+go mod tidy
+printf "package multierr\nimport _ \"github.com/AdamKorcz/go-118-fuzz-build/testing\"\n" > register.go
+go mod tidy
+compile_native_go_fuzzer go.uber.org/multierr FuzzCombine FuzzCombine

projects/multierr/fuzz_test.go

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+// 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.
+//
+
+package multierr
+
+import (
+	"errors"
+	"testing"
+)
+
+func FuzzCombine(f *testing.F) {
+	f.Fuzz(func(t *testing.T, err1, err2 string) {
+		e1 := errors.New(err1)
+		e2 := errors.New(err2)
+		Combine(e1, e2)
+	})
+}
+

projects/multierr/project.yaml

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+homepage: "https://github.com/uber-go/multierr"
+language: go
+main_repo: "https://github.com/uber-go/multierr"
+auto_ccs:
+  - "adam@adalogics.com"
+fuzzing_engines:
+  - libfuzzer
+sanitizers:
+  - address