mirror of
https://github.com/reactos/syzkaller.git
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0f33548a39
A new version of golangci-lint started failing trying to build syz-trace2syz (because we already ignore some files). Ignore the rest of files to fix the failure.
118 lines
2.9 KiB
Go
118 lines
2.9 KiB
Go
// Copyright 2018 syzkaller project authors. All rights reserved.
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// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
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// +build !codeanalysis
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// syz-trace2syz converts strace traces to syzkaller programs.
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//
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// Simple usage:
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// strace -o trace -a 1 -s 65500 -v -xx -f -Xraw ./a.out
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// syz-trace2syz -file trace
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// Intended for seed selection or debugging
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package main
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import (
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"flag"
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"io/ioutil"
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"path/filepath"
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"strconv"
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"github.com/google/syzkaller/pkg/db"
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"github.com/google/syzkaller/pkg/log"
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"github.com/google/syzkaller/pkg/osutil"
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"github.com/google/syzkaller/prog"
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_ "github.com/google/syzkaller/sys"
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"github.com/google/syzkaller/tools/syz-trace2syz/proggen"
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)
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var (
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flagFile = flag.String("file", "", "file to parse")
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flagDir = flag.String("dir", "", "directory to parse")
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flagDeserialize = flag.String("deserialize", "", "(Optional) directory to store deserialized programs")
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)
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const (
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goos = "linux" // Target OS
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arch = "amd64" // Target architecture
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)
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func main() {
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flag.Parse()
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target := initializeTarget(goos, arch)
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progs := parseTraces(target)
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log.Logf(0, "successfully converted traces; generating corpus.db")
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pack(progs)
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}
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func initializeTarget(os, arch string) *prog.Target {
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target, err := prog.GetTarget(os, arch)
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if err != nil {
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log.Fatalf("failed to load target: %s", err)
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}
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target.ConstMap = make(map[string]uint64)
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for _, c := range target.Consts {
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target.ConstMap[c.Name] = c.Value
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}
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return target
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}
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func parseTraces(target *prog.Target) []*prog.Prog {
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var ret []*prog.Prog
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var names []string
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if *flagFile != "" {
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names = append(names, *flagFile)
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} else if *flagDir != "" {
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names = getTraceFiles(*flagDir)
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} else {
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log.Fatalf("-file or -dir must be specified")
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}
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deserializeDir := *flagDeserialize
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totalFiles := len(names)
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log.Logf(0, "parsing %v traces", totalFiles)
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for i, file := range names {
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log.Logf(1, "parsing file %v/%v: %v", i+1, totalFiles, filepath.Base(names[i]))
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progs, err := proggen.ParseFile(file, target)
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if err != nil {
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log.Fatalf("%v", err)
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}
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ret = append(ret, progs...)
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if deserializeDir != "" {
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for i, p := range progs {
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progName := filepath.Join(deserializeDir, filepath.Base(file)+strconv.Itoa(i))
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if err := osutil.WriteFile(progName, p.Serialize()); err != nil {
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log.Fatalf("failed to output file: %v", err)
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}
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}
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}
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}
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return ret
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}
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func getTraceFiles(dir string) []string {
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infos, err := ioutil.ReadDir(dir)
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if err != nil {
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log.Fatalf("%s", err)
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}
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var names []string
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for _, info := range infos {
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name := filepath.Join(dir, info.Name())
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names = append(names, name)
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}
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return names
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}
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func pack(progs []*prog.Prog) {
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var records []db.Record
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for _, prog := range progs {
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records = append(records, db.Record{Val: prog.Serialize()})
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}
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if err := db.Create("corpus.db", 0, records); err != nil {
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log.Fatalf("%v", err)
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}
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log.Logf(0, "finished!")
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}
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