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How to use DoRawCover method of cover Package

Best Syzkaller code snippet using cover.DoRawCover

html.go

Source:html.go

...226	DoHTMLTable227	DoModuleCover228	DoCSV229	DoCSVFiles230	DoRawCoverFiles231	DoRawCover232	DoFilterPCs233)234func (mgr *Manager) httpCover(w http.ResponseWriter, r *http.Request) {235	mgr.httpCoverCover(w, r, DoHTML, true)236}237func (mgr *Manager) httpSubsystemCover(w http.ResponseWriter, r *http.Request) {238	mgr.httpCoverCover(w, r, DoHTMLTable, true)239}240func (mgr *Manager) httpModuleCover(w http.ResponseWriter, r *http.Request) {241	mgr.httpCoverCover(w, r, DoModuleCover, true)242}243func (mgr *Manager) httpCoverCover(w http.ResponseWriter, r *http.Request, funcFlag int, isHTMLCover bool) {244	if !mgr.cfg.Cover {245		if isHTMLCover {246			mgr.httpCoverFallback(w, r)247		} else {248			http.Error(w, "coverage is not enabled", http.StatusInternalServerError)249		}250		return251	}252	// Don't hold the mutex while creating report generator and generating the report,253	// these operations take lots of time.254	mgr.mu.Lock()255	initialized := mgr.modulesInitialized256	mgr.mu.Unlock()257	if !initialized {258		http.Error(w, "coverage is not ready, please try again later after fuzzer started", http.StatusInternalServerError)259		return260	}261	rg, err := getReportGenerator(mgr.cfg, mgr.modules)262	if err != nil {263		http.Error(w, fmt.Sprintf("failed to generate coverage profile: %v", err), http.StatusInternalServerError)264		return265	}266	mgr.mu.Lock()267	var progs []cover.Prog268	if sig := r.FormValue("input"); sig != "" {269		inp := mgr.corpus[sig]270		progs = append(progs, cover.Prog{271			Data: string(inp.Prog),272			PCs:  coverToPCs(rg, inp.Cover),273		})274	} else {275		call := r.FormValue("call")276		for _, inp := range mgr.corpus {277			if call != "" && call != inp.Call {278				continue279			}280			progs = append(progs, cover.Prog{281				Data: string(inp.Prog),282				PCs:  coverToPCs(rg, inp.Cover),283			})284		}285	}286	mgr.mu.Unlock()287	var coverFilter map[uint32]uint32288	if r.FormValue("filter") != "" {289		coverFilter = mgr.coverFilter290	}291	if funcFlag == DoRawCoverFiles {292		if err := rg.DoRawCoverFiles(w, progs, coverFilter); err != nil {293			http.Error(w, fmt.Sprintf("failed to generate coverage profile: %v", err), http.StatusInternalServerError)294			return295		}296		runtime.GC()297		return298	} else if funcFlag == DoRawCover {299		rg.DoRawCover(w, progs, coverFilter)300		return301	} else if funcFlag == DoFilterPCs {302		rg.DoFilterPCs(w, progs, coverFilter)303		return304	}305	do := rg.DoHTML306	if funcFlag == DoHTMLTable {307		do = rg.DoHTMLTable308	} else if funcFlag == DoModuleCover {309		do = rg.DoModuleCover310	} else if funcFlag == DoCSV {311		do = rg.DoCSV312	} else if funcFlag == DoCSVFiles {313		do = rg.DoCSVFiles314	}315	if err := do(w, progs, coverFilter); err != nil {316		http.Error(w, fmt.Sprintf("failed to generate coverage profile: %v", err), http.StatusInternalServerError)317		return318	}319	runtime.GC()320}321func (mgr *Manager) httpCoverFallback(w http.ResponseWriter, r *http.Request) {322	mgr.mu.Lock()323	defer mgr.mu.Unlock()324	var maxSignal signal.Signal325	for _, inp := range mgr.corpus {326		maxSignal.Merge(inp.Signal.Deserialize())327	}328	calls := make(map[int][]int)329	for s := range maxSignal {330		id, errno := prog.DecodeFallbackSignal(uint32(s))331		calls[id] = append(calls[id], errno)332	}333	data := &UIFallbackCoverData{}334	for _, id := range mgr.checkResult.EnabledCalls[mgr.cfg.Sandbox] {335		errnos := calls[id]336		sort.Ints(errnos)337		successful := 0338		for len(errnos) != 0 && errnos[0] == 0 {339			successful++340			errnos = errnos[1:]341		}342		data.Calls = append(data.Calls, UIFallbackCall{343			Name:       mgr.target.Syscalls[id].Name,344			Successful: successful,345			Errnos:     errnos,346		})347	}348	sort.Slice(data.Calls, func(i, j int) bool {349		return data.Calls[i].Name < data.Calls[j].Name350	})351	executeTemplate(w, fallbackCoverTemplate, data)352}353func (mgr *Manager) httpFuncCover(w http.ResponseWriter, r *http.Request) {354	mgr.httpCoverCover(w, r, DoCSV, false)355}356func (mgr *Manager) httpFileCover(w http.ResponseWriter, r *http.Request) {357	mgr.httpCoverCover(w, r, DoCSVFiles, false)358}359func (mgr *Manager) httpPrio(w http.ResponseWriter, r *http.Request) {360	mgr.mu.Lock()361	defer mgr.mu.Unlock()362	callName := r.FormValue("call")363	call := mgr.target.SyscallMap[callName]364	if call == nil {365		http.Error(w, fmt.Sprintf("unknown call: %v", callName), http.StatusInternalServerError)366		return367	}368	var corpus []*prog.Prog369	for _, inp := range mgr.corpus {370		p, err := mgr.target.Deserialize(inp.Prog, prog.NonStrict)371		if err != nil {372			http.Error(w, fmt.Sprintf("failed to deserialize program: %v", err), http.StatusInternalServerError)373			return374		}375		corpus = append(corpus, p)376	}377	prios := mgr.target.CalculatePriorities(corpus)378	data := &UIPrioData{Call: callName}379	for i, p := range prios[call.ID] {380		data.Prios = append(data.Prios, UIPrio{mgr.target.Syscalls[i].Name, p})381	}382	sort.Slice(data.Prios, func(i, j int) bool {383		return data.Prios[i].Prio > data.Prios[j].Prio384	})385	executeTemplate(w, prioTemplate, data)386}387func (mgr *Manager) httpFile(w http.ResponseWriter, r *http.Request) {388	file := filepath.Clean(r.FormValue("name"))389	if !strings.HasPrefix(file, "crashes/") && !strings.HasPrefix(file, "corpus/") {390		http.Error(w, "oh, oh, oh!", http.StatusInternalServerError)391		return392	}393	file = filepath.Join(mgr.cfg.Workdir, file)394	f, err := os.Open(file)395	if err != nil {396		http.Error(w, "failed to open the file", http.StatusInternalServerError)397		return398	}399	defer f.Close()400	w.Header().Set("Content-Type", "text/plain; charset=utf-8")401	io.Copy(w, f)402}403func (mgr *Manager) httpInput(w http.ResponseWriter, r *http.Request) {404	mgr.mu.Lock()405	defer mgr.mu.Unlock()406	inp, ok := mgr.corpus[r.FormValue("sig")]407	if !ok {408		http.Error(w, "can't find the input", http.StatusInternalServerError)409		return410	}411	w.Header().Set("Content-Type", "text/plain; charset=utf-8")412	w.Write(inp.Prog)413}414func (mgr *Manager) httpReport(w http.ResponseWriter, r *http.Request) {415	mgr.mu.Lock()416	defer mgr.mu.Unlock()417	crashID := r.FormValue("id")418	desc, err := ioutil.ReadFile(filepath.Join(mgr.crashdir, crashID, "description"))419	if err != nil {420		http.Error(w, "failed to read description file", http.StatusInternalServerError)421		return422	}423	tag, _ := ioutil.ReadFile(filepath.Join(mgr.crashdir, crashID, "repro.tag"))424	prog, _ := ioutil.ReadFile(filepath.Join(mgr.crashdir, crashID, "repro.prog"))425	cprog, _ := ioutil.ReadFile(filepath.Join(mgr.crashdir, crashID, "repro.cprog"))426	rep, _ := ioutil.ReadFile(filepath.Join(mgr.crashdir, crashID, "repro.report"))427	commitDesc := ""428	if len(tag) != 0 {429		commitDesc = fmt.Sprintf(" on commit %s.", trimNewLines(tag))430	}431	fmt.Fprintf(w, "Syzkaller hit '%s' bug%s.\n\n", trimNewLines(desc), commitDesc)432	if len(rep) != 0 {433		fmt.Fprintf(w, "%s\n\n", rep)434	}435	if len(prog) == 0 && len(cprog) == 0 {436		fmt.Fprintf(w, "The bug is not reproducible.\n")437	} else {438		fmt.Fprintf(w, "Syzkaller reproducer:\n%s\n\n", prog)439		if len(cprog) != 0 {440			fmt.Fprintf(w, "C reproducer:\n%s\n\n", cprog)441		}442	}443}444func (mgr *Manager) httpRawCover(w http.ResponseWriter, r *http.Request) {445	mgr.httpCoverCover(w, r, DoRawCover, false)446}447func (mgr *Manager) httpRawCoverFiles(w http.ResponseWriter, r *http.Request) {448	mgr.httpCoverCover(w, r, DoRawCoverFiles, false)449}450func (mgr *Manager) httpFilterPCs(w http.ResponseWriter, r *http.Request) {451	if mgr.coverFilter == nil {452		fmt.Fprintf(w, "cover is not filtered in config.\n")453		return454	}455	mgr.httpCoverCover(w, r, DoFilterPCs, false)456}457func (mgr *Manager) collectCrashes(workdir string) ([]*UICrashType, error) {458	// Note: mu is not locked here.459	reproReply := make(chan map[string]bool)460	mgr.reproRequest <- reproReply461	repros := <-reproReply462	crashdir := filepath.Join(workdir, "crashes")...

DoRawCover

Using AI Code Generation

1import (2func main() {3	src, err := os.Open("1.go")4	if err != nil {5		log.Fatal(err)6	}7	f, err := parser.ParseFile(fset, "1.go", src, 0)8	if err != nil {9		log.Fatal(err)10	}11	ast.Print(fset, f)12	cov := DoRawCover(fset, f)13	fmt.Println(cov)14}15func DoRawCover(fset *token.FileSet, f *ast.File) string {

DoRawCover

Using AI Code Generation

1import (2func main() {3	f, err := os.Create("cpu.prof")4	if err != nil {5		fmt.Println(err)6	}7	pprof.StartCPUProfile(f)8	defer pprof.StopCPUProfile()9	defer debug.FreeOSMemory()10	img := image.NewRGBA(image.Rect(0, 0, 100, 100))11	for i := 0; i < 100; i++ {12		for j := 0; j < 100; j++ {13			img.Set(i, j, color.RGBA{uint8(i), uint8(j), 255, 255})14		}15	}16	f, err = os.Create("image.png")17	if err != nil {18		fmt.Println(err)19	}20	png.Encode(f, img)21	dir, err := os.Getwd()22	if err != nil {23		fmt.Println(err)24	}25	_, filename, _, ok := runtime.Caller(0)26	if !ok {27		fmt.Println("No caller information")28	}29	absPath, err := filepath.Abs(filename)30	if err != nil {31		fmt.Println(err)32	}33	dir = filepath.Dir(absPath)34	cover, err := pprof.NewProfile("cover")35	if err != nil {36		fmt.Println(err)37	}38	cover.DoRawCover(cover.DoRawCover)39	f, err = os.Create(dir + "/cover.out")40	if err != nil {41		fmt.Println(err)42	}43	cover.WriteTo(f, 0)44}45import (

DoRawCover

Using AI Code Generation

1import (2func main() {3	f, err := os.Open("profile.cov")4	if err != nil {5		fmt.Println("Error reading file:", err)6	}7	defer f.Close()8	b, err := cover.ParseProfile(f)9	if err != nil {10		fmt.Println("Error parsing file:", err)11	}12	c := cover.NewProfile()13	c.DoRawCover(b)14	fmt.Printf("RAW: %v15	table := tablewriter.NewWriter(os.Stdout)16	table.SetHeader([]string{"File", "Start", "End", "Count"})17	for _, block := range c.RawBlocks {18		table.Append([]string{block.FileName, fmt.Sprint(block.StartLine), fmt.Sprint(block.EndLine), fmt.Sprint(block.Count)})19	}20	table.Render()21	file := xlsx.NewFile()22	sheet, err := file.AddSheet("Sheet1")23	if err != nil {24		fmt.Printf(err.Error())25	}26	row := sheet.AddRow()27	cell := row.AddCell()28	cell = row.AddCell()29	cell = row.AddCell()30	cell = row.AddCell()31	for _, block := range c.RawBlocks {32		row := sheet.AddRow()33		cell := row.AddCell()34		cell = row.AddCell()35		cell.Value = fmt.Sprint(block.StartLine)36		cell = row.AddCell()37		cell.Value = fmt.Sprint(block.EndLine)38		cell = row.AddCell()39		cell.Value = fmt.Sprint(block.Count)40	}41	err = file.Save("cover.xlsx")42	if err != nil {43		fmt.Printf(err.Error())44	}45}46RAW: [{/home/tealeg/projects/gocover/cover.go 8 8 0} {/home/tealeg/projects/gocover/cover.go 10 10 0} {/home/te

DoRawCover

Using AI Code Generation

1import (2func main() {3    f, err := os.Open("profile.cov")4    if err != nil {5        panic(err)6    }7    defer f.Close()8    profile, err := cover.ParseProfile(f)9    if err != nil {10        panic(err)11    }12    coverage := profile.DoRawCover()13    for _, file := range coverage {14        fmt.Println(file.Name)15        for _, block := range file.Blocks {16            fmt.Printf("%d %d %d17        }18    }19}

DoRawCover

Using AI Code Generation

1import (2func main() {3	c.DoRawCover()4	fmt.Println("raw coverage data is: ", c.RawCover)5}6import (7func main() {8	c.DoCover()9	fmt.Println("coverage data is: ", c.Cover)10}11import (12func main() {13	c.DoRawCover()14	fmt.Println("raw coverage data is: ", c.RawCover)15}16import (17func main() {18	c.DoCover()19	fmt.Println("coverage data is: ", c.Cover)20}21import (22func main() {23	c.DoRawCover()24	fmt.Println("raw coverage data is: ", c.RawCover)25}26import (27func main() {28	c.DoCover()29	fmt.Println("coverage data is: ", c.Cover)30}31import (32func main() {33	c.DoRawCover()34	fmt.Println("raw coverage data is: ", c.RawCover)35}36import (37func main() {38	c.DoCover()

DoRawCover

Using AI Code Generation

1import (2func main() {3	c := cover.New()4	imageBytes, err := ioutil.ReadFile("C:\\Users\\shubham\\Desktop\\go\\src\\cover\\cover.jpg")5	if err != nil {6		fmt.Println("Error in reading file")7	}8	coverBytes, err := c.DoRawCover(imageBytes, "C:\\Users\\shubham\\Desktop\\go\\src\\cover\\cover.jpg")9	if err != nil {10		fmt.Println("Error in cover")11	}12	err = ioutil.WriteFile("C:\\Users\\shubham\\Desktop\\go\\src\\cover\\cover.jpg", coverBytes, 0)13	if err != nil {14		fmt.Println("Error in writing file")15	}16}17import (18type Cover struct {19}20func New() *Cover {21	return &Cover{}22}23func (c *Cover) DoCover(filePath string) ([]byte, error) {24	file, err := os.Open(filePath)25	if err != nil {26	}27	buf := new(bytes.Buffer)28	_, err = io.Copy(buf, file)29	if err != nil {30	}31	coverBytes, err := c.DoRawCover(buf.Bytes(), filePath)32	if err != nil {33	}34}35func (c *Cover) DoRawCover(imageBytes []byte, filePath string) ([]byte, error) {36	img, _, err := image.Decode(bytes.NewReader(imageBytes))37	if err != nil {38	}

DoRawCover

Using AI Code Generation

1import (2func main() {3	cover := cover.NewCover()4	cover.AddFile("1.go")5	cover.AddFile("2.go")6	cover.AddFile("3.go")7	cover.AddFile("4.go")8	cover.AddFile("5.go")9	cover.AddFile("6.go")10	cover.AddFile("7.go")11	cover.AddFile("8.go")12	cover.AddFile("9.go")13	cover.AddFile("10.go")14	cover.AddFile("11.go")15	cover.AddFile("12.go")16	cover.AddFile("13.go")17	cover.AddFile("14.go")18	cover.AddFile("15.go")19	cover.AddFile("16.go")20	cover.AddFile("17.go")21	cover.AddFile("18.go")22	cover.AddFile("19.go")23	cover.AddFile("20.go")24	cover.AddFile("21.go")25	cover.AddFile("22.go")26	cover.AddFile("23.go")27	cover.AddFile("24.go")28	cover.AddFile("25.go")29	cover.AddFile("26.go")30	cover.AddFile("27.go")31	cover.AddFile("28.go")32	cover.AddFile("29.go")33	cover.AddFile("30.go")34	cover.AddFile("31.go")35	cover.AddFile("32.go")36	cover.AddFile("33.go")37	cover.AddFile("34.go")38	cover.AddFile("35.go")39	cover.AddFile("36.go")40	cover.AddFile("37.go")41	cover.AddFile("38.go")42	cover.AddFile("39.go")43	cover.AddFile("40.go")44	cover.AddFile("41.go")45	cover.AddFile("42.go")46	cover.AddFile("43.go")47	cover.AddFile("44.go")48	cover.AddFile("45.go")49	cover.AddFile("46.go")50	cover.AddFile("47.go")51	cover.AddFile("48.go")52	cover.AddFile("49.go")53	cover.AddFile("50.go")54	cover.AddFile("51.go")55	cover.AddFile("52.go")56	cover.AddFile("53.go")57	cover.AddFile("54.go")58	cover.AddFile("55.go")59	cover.AddFile("56.go")60	cover.AddFile("57.go")

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