How to use coverageFilterRegion method of main Package

Best Syzkaller code snippet using main.coverageFilterRegion

covfilter.go

Source:covfilter.go

...123	}124	return nil125}126func createCoverageBitmap(target *targets.Target, pcs map[uint32]uint32) []byte {127	start, size := coverageFilterRegion(pcs)128	log.Logf(0, "coverage filter from 0x%x to 0x%x, size 0x%x, pcs %v", start, start+size, size, len(pcs))129	// The file starts with two uint32: covFilterStart and covFilterSize,130	// and a bitmap with size ((covFilterSize>>4)/8+1 bytes follow them.131	// 8-bit = 1-byte132	data := make([]byte, 8+((size>>4)/8+1))133	order := binary.ByteOrder(binary.BigEndian)134	if target.LittleEndian {135		order = binary.LittleEndian136	}137	order.PutUint32(data, start)138	order.PutUint32(data[4:], size)139	bitmap := data[8:]140	for pc := range pcs {141		// The lowest 4-bit is dropped.142		pc = uint32(backend.NextInstructionPC(target, uint64(pc)))143		pc = (pc - start) >> 4144		bitmap[pc/8] |= (1 << (pc % 8))145	}146	return data147}148func coverageFilterRegion(pcs map[uint32]uint32) (uint32, uint32) {149	start, end := ^uint32(0), uint32(0)150	for pc := range pcs {151		if start > pc {152			start = pc153		}154		if end < pc {155			end = pc156		}157	}158	return start, end - start159}160func compileRegexps(regexpStrings []string) ([]*regexp.Regexp, error) {161	var regexps []*regexp.Regexp162	for _, rs := range regexpStrings {...

coverageFilterRegion

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4}5import (6func main() {7    fmt.Println("Hello, playground")8}9import (10func main() {11    fmt.Println("Hello, playground")12}13import (14func main() {15    fmt.Println("Hello, playground")16}17import (18func main() {19    fmt.Println("Hello, playground")20}21import (22func main() {23    fmt.Println("Hello, playground")24}25import (26func main() {27    fmt.Println("Hello, playground")28}29import (30func main() {31    fmt.Println("Hello, playground")32}33import (34func main() {35    fmt.Println("Hello, playground")36}37import (38func main() {39    fmt.Println("Hello, playground")40}41import (42func main() {43    fmt.Println("Hello, playground")44}45import (46func main() {47    fmt.Println("Hello, playground")48}

coverageFilterRegion

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    coverageFilterRegion()5}6import (7func main() {8    fmt.Println("Hello, playground")9    coverageFilterRegion()10}11import (12func main() {13    fmt.Println("Hello, playground")14    coverageFilterRegion()15}16import (17func main() {18    fmt.Println("Hello, playground")19    coverageFilterRegion()20}21import (22func main() {23    fmt.Println("Hello, playground")24    coverageFilterRegion()25}26import (27func main() {28    fmt.Println("Hello, playground")29    coverageFilterRegion()30}31import (32func main() {33    fmt.Println("Hello, playground")34    coverageFilterRegion()35}36import (37func main() {38    fmt.Println("Hello, playground")39    coverageFilterRegion()40}41import (42func main() {43    fmt.Println("Hello, playground")44    coverageFilterRegion()45}46import (47func main() {48    fmt.Println("Hello, playground")49    coverageFilterRegion()50}

coverageFilterRegion

Using AI Code Generation

1import (2func main() {3    trace.Start(os.Stderr)4    defer trace.Stop()5    runtime.GC()6    p := &profile{}7    p.init()8    defer p.close()9    runtime.SetFinalizer(p, func(p *profile) {10        fmt.Println("Finalizer called")11        p.close()12    })13    runtime.GC()14    p2 := &profile{}15    p2.init()16    defer p2.close()17    runtime.SetFinalizer(p2, func(p *profile) {18        fmt.Println("Finalizer called")19        p.close()20    })21    runtime.GC()22    p3 := &profile{}23    p3.init()24    defer p3.close()25    runtime.SetFinalizer(p3, func(p *profile) {26        fmt.Println("Finalizer called")27        p.close()28    })29    runtime.GC()30}31type profile struct {32}33func (p *profile) init() {34    runtime.SetFinalizer(p, func(p *profile) {35        fmt.Println("Finalizer called")36        p.close()37    })38}39func (p *profile) close() {40    runtime.SetFinalizer(p, nil)41}42import (43func main() {44    trace.Start(os.Stderr)45    defer trace.Stop()46    runtime.GC()47    p := &profile{}48    p.init()

coverageFilterRegion

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	mycoverage.CoverageFilterRegion()5}6import (7func main() {8	fmt.Println("Hello, playground")9	mycoverage.CoverageFilterRegion()10}11import (12func CoverageFilterRegion() {13	fmt.Println("Hello, playground")14	mycoverage.CoverageFilterRegion()15}16import (17func CoverageFilterRegion() {18	fmt.Println("Hello, playground")19	mycoverage.CoverageFilterRegion()20}

coverageFilterRegion

Using AI Code Generation

1import (2func main() {3	mainObj := new(main)4	reader := bufio.NewReader(os.Stdin)5	fmt.Print("Enter the number of test cases: ")6	testCases, _ := reader.ReadString('7	testCases = strings.TrimSpace(testCases)8	testCasesInt, _ := strconv.Atoi(testCases)9	for i := 1; i <= testCasesInt; i++ {10		fmt.Print("Enter the number of regions: ")11		regions, _ := reader.ReadString('12		regions = strings.TrimSpace(regions)13		regionsInt, _ := strconv.Atoi(regions)14		for j := 1; j <= regionsInt; j++ {15			fmt.Print("Enter the region: ")16			region, _ := reader.ReadString('17			region = strings.TrimSpace(region)18			regionInt, _ := strconv.Atoi(region)19			regionList = append(regionList, regionInt)20		}21		result := mainObj.coverageFilterRegion(regionList)22		fmt.Println(result)23	}24}25import (26func main() {27	mainObj := new(main)28	reader := bufio.NewReader(os.Stdin)29	fmt.Print("Enter the number of test cases: ")30	testCases, _ := reader.ReadString('31	testCases = strings.TrimSpace(testCases)32	testCasesInt, _ := strconv.Atoi(testCases)33	for i := 1; i <= testCasesInt; i++ {34		fmt.Print("Enter the number of regions: ")35		regions, _ := reader.ReadString('36		regions = strings.TrimSpace(regions)37		regionsInt, _ := strconv.Atoi(regions)38		for j := 1; j <= regionsInt; j++ {39			fmt.Print("Enter the region: ")40			region, _ := reader.ReadString('41			region = strings.TrimSpace(region)42			regionInt, _ := strconv.Atoi(region)

coverageFilterRegion

Using AI Code Generation

1import (2func main() {3	f, err := os.Open("image.png")4	if err != nil {5		log.Fatal(err)6	}7	defer f.Close()8	img, err := png.Decode(f)9	if err != nil {10		log.Fatal(err)11	}12	img = img.(image.Image)13	coverageFilterRegion(img)14}15func coverageFilterRegion(img image.Image) {16	bounds := img.Bounds()17	newImg := image.NewRGBA(bounds)18	for i := bounds.Min.X; i < bounds.Max.X; i++ {19		for j := bounds.Min.Y; j < bounds.Max.Y; j++ {20			r, g, b, a := img.At(i, j).RGBA()21			if r > 0 && g > 0 && b > 0 && a > 0 {22				newImg.Set(i, j, color.RGBA{255, 255, 255, 255})23			} else {24				newImg.Set(i, j, color.RGBA{0, 0, 0, 255})25			}26		}27	}28	output, err := os.Create("output.png")29	if err != nil {30		fmt.Println(err)31	}32	defer output.Close()33	png.Encode(output, newImg)34}

coverageFilterRegion

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter the input to be parsed")4	fmt.Scanln(&input)5	fmt.Println("Enter the start line")6	fmt.Scanln(&startLine)7	fmt.Println("Enter the end line")8	fmt.Scanln(&endLine)9	filter(input, startLine, endLine)10}11func filter(input string, startLine int, endLine int) {12	lines := strings.Split(input, "13	for i := 0; i < len(lines); i++ {14		lineNumber := getLineNumber(line)15		if lineNumber >= startLine && lineNumber <= endLine {16			filteredLines = append(filteredLines, line)17		}18	}19	output := strings.Join(filteredLines, "20	fmt.Println(output)21}22func getLineNumber(input string) int {23	split := strings.Split(input, ":")24	number, _ := strconv.Atoi(line)25}26import (27func main() {28	fmt.Println("Enter the input to be parsed")29	fmt.Scanln(&input)30	fmt.Println("Enter the regex")31	fmt.Scanln(&regex)32	filter(input, regex)33}34func filter(input string, regex string) {35	lines := strings.Split(input, "36	for i := 0; i < len(lines); i++ {37		lineNumber := getLineNumber(line

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