1 // Copyright 2014 The Prometheus Authors 2 // Licensed under the Apache License, Version 2.0 (the "License"); 3 // you may not use this file except in compliance with the License. 4 // You may obtain a copy of the License at 5 // 6 // http://www.apache.org/licenses/LICENSE-2.0 7 // 8 // Unless required by applicable law or agreed to in writing, software 9 // distributed under the License is distributed on an "AS IS" BASIS, 10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11 // See the License for the specific language governing permissions and 12 // limitations under the License. 13 14 // Build only when actually fuzzing 15 //go:build gofuzz 16 // +build gofuzz 17 18 package expfmt 19 20 import "bytes" 21 22 // Fuzz text metric parser with with github.com/dvyukov/go-fuzz: 23 // 24 // go-fuzz-build github.com/prometheus/common/expfmt 25 // go-fuzz -bin expfmt-fuzz.zip -workdir fuzz 26 // 27 // Further input samples should go in the folder fuzz/corpus. 28 func Fuzz(in []byte) int { 29 parser := TextParser{} 30 _, err := parser.TextToMetricFamilies(bytes.NewReader(in)) 31 32 if err != nil { 33 return 0 34 } 35 36 return 1 37 } 38