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// Copyright 2019 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package test
import (
"bytes"
"fmt"
"math/rand"
"github.com/google/syzkaller/prog"
_ "github.com/google/syzkaller/sys"
"github.com/google/syzkaller/sys/targets"
)
func FuzzDeserialize(data []byte) int {
p0, err0 := fuzzTarget.Deserialize(data, prog.NonStrict)
p1, err1 := fuzzTarget.Deserialize(data, prog.Strict)
if p0 == nil {
if p1 != nil {
panic("NonStrict is stricter than Strict")
}
if err0 == nil || err1 == nil {
panic("no error")
}
return 0
}
if err0 != nil {
panic("got program and error")
}
data0 := p0.Serialize()
if p1 != nil {
if err1 != nil {
panic("got program and error")
}
if !bytes.Equal(data0, p1.Serialize()) {
panic("got different data")
}
}
p2, err2 := fuzzTarget.Deserialize(data0, prog.NonStrict)
if err2 != nil {
panic(fmt.Sprintf("failed to parse serialized: %v\n%s", err2, data0))
}
if !bytes.Equal(data0, p2.Serialize()) {
panic("got different data")
}
p3 := p0.Clone()
if !bytes.Equal(data0, p3.Serialize()) {
panic("got different data")
}
if prodData, err := p0.SerializeForExec(); err == nil {
if _, err := fuzzTarget.DeserializeExec(prodData, nil); err != nil {
panic(err)
}
}
p3.Mutate(rand.NewSource(0), 3, fuzzChoiceTable, nil, nil)
return 0
}
func FuzzParseLog(data []byte) int {
if len(fuzzTarget.ParseLog(data, prog.NonStrict)) != 0 {
return 1
}
return 0
}
var fuzzTarget, fuzzChoiceTable = func() (*prog.Target, *prog.ChoiceTable) {
target, err := prog.GetTarget(targets.TestOS, targets.TestArch64)
if err != nil {
panic(err)
}
return target, target.DefaultChoiceTable()
}()
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