mirror of https://github.com/google/oss-fuzz.git
70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
// 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()
|
|
}
|
|
}
|