diff options
Diffstat (limited to 'infra/base-images/base-builder-go')
| -rw-r--r-- | infra/base-images/base-builder-go/Dockerfile | 30 | ||||
| -rw-r--r-- | infra/base-images/base-builder-go/ossfuzz_coverage_runner.go | 69 |
2 files changed, 99 insertions, 0 deletions
diff --git a/infra/base-images/base-builder-go/Dockerfile b/infra/base-images/base-builder-go/Dockerfile new file mode 100644 index 000000000..9d2c61502 --- /dev/null +++ b/infra/base-images/base-builder-go/Dockerfile @@ -0,0 +1,30 @@ +# Copyright 2021 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 + +# Set up Golang environment variables (copied from /root/.bash_profile). +ENV GOPATH /root/go + +# /root/.go/bin is for the standard Go binaries (i.e. go, gofmt, etc). +# $GOPATH/bin is for the binaries from the dependencies installed via "go get". +ENV PATH $PATH:/root/.go/bin:$GOPATH/bin + +RUN install_go.sh + +# TODO(jonathanmetzman): Install this file using install_go.sh. +COPY ossfuzz_coverage_runner.go $GOPATH + diff --git a/infra/base-images/base-builder-go/ossfuzz_coverage_runner.go b/infra/base-images/base-builder-go/ossfuzz_coverage_runner.go new file mode 100644 index 000000000..d433da246 --- /dev/null +++ b/infra/base-images/base-builder-go/ossfuzz_coverage_runner.go @@ -0,0 +1,69 @@ +// Copyright 2020 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 mypackagebeingfuzzed + +import ( + "io/ioutil" + "os" + "runtime/pprof" + "testing" +) + +func TestFuzzCorpus(t *testing.T) { + dir := os.Getenv("FUZZ_CORPUS_DIR") + if dir == "" { + t.Logf("No fuzzing corpus directory set") + return + } + infos, err := ioutil.ReadDir(dir) + if err != nil { + t.Logf("Not fuzzing corpus directory %s", err) + return + } + filename := "" + defer func() { + if r := recover(); r != nil { + t.Error("Fuzz panicked in "+filename, r) + } + }() + profname := os.Getenv("FUZZ_PROFILE_NAME") + if profname != "" { + f, err := os.Create(profname + ".cpu.prof") + if err != nil { + t.Logf("error creating profile file %s\n", err) + } else { + _ = pprof.StartCPUProfile(f) + } + } + for i := range infos { + filename = dir + infos[i].Name() + data, err := ioutil.ReadFile(filename) + if err != nil { + t.Error("Failed to read corpus file", err) + } + FuzzFunction(data) + } + if profname != "" { + pprof.StopCPUProfile() + f, err := os.Create(profname + ".heap.prof") + if err != nil { + t.Logf("error creating heap profile file %s\n", err) + } + if err = pprof.WriteHeapProfile(f); err != nil { + t.Logf("error writing heap profile file %s\n", err) + } + f.Close() + } +} |