Files
go-toml/ossfuzz/fuzz.go
T
manunio 55ca4e35e4 fuzz: improve target perf (#864)
This attempts to improve issue types like timeout, slow_unit
and speed, as seen in the following oss-fuzz performance report:
https://oss-fuzz.com/performance-report/libFuzzer_go-toml_fuzz_toml/libfuzzer_asan_go-toml/2023-05-11
2023-05-12 16:21:17 +02:00

46 lines
733 B
Go

//go:build go1.18 || go1.19 || go1.20
// +build go1.18 go1.19 go1.20
package ossfuzz
import (
"fmt"
"reflect"
"strings"
"github.com/pelletier/go-toml/v2"
)
func FuzzToml(data []byte) int {
if len(data) >= 2048 {
return 0
}
if strings.Contains(string(data), "nan") {
return 0
}
var v interface{}
err := toml.Unmarshal(data, &v)
if err != nil {
return 0
}
encoded, err := toml.Marshal(v)
if err != nil {
panic(fmt.Sprintf("failed to marshal unmarshaled document: %s", err))
}
var v2 interface{}
err = toml.Unmarshal(encoded, &v2)
if err != nil {
panic(fmt.Sprintf("failed round trip: %s", err))
}
if !reflect.DeepEqual(v, v2) {
panic(fmt.Sprintf("not equal: %#+v %#+v", v, v2))
}
return 1
}