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How to use lazySymbolize method of cover Package

Best Syzkaller code snippet using cover.lazySymbolize

report.go

Source:report.go

...62	progCount map[int]bool // program indices that cover this line63	progIndex int          // example program index that covers this line64}65func (rg *ReportGenerator) prepareFileMap(progs []Prog) (map[string]*file, error) {66	if err := rg.lazySymbolize(progs); err != nil {67		return nil, err68	}69	files := make(map[string]*file)70	for _, unit := range rg.Units {71		files[unit.Name] = &file{72			module:   unit.Module.Name,73			filename: unit.Path,74			lines:    make(map[int]line),75			totalPCs: len(unit.PCs),76		}77	}78	progPCs := make(map[uint64]map[int]bool)79	for i, prog := range progs {80		for _, pc := range prog.PCs {81			if progPCs[pc] == nil {82				progPCs[pc] = make(map[int]bool)83			}84			progPCs[pc][i] = true85		}86	}87	matchedPC := false88	for _, frame := range rg.Frames {89		f := getFile(files, frame.Name, frame.Path, frame.Module.Name)90		ln := f.lines[frame.StartLine]91		coveredBy := progPCs[frame.PC]92		if len(coveredBy) == 0 {93			f.uncovered = append(f.uncovered, frame.Range)94			continue95		}96		// Covered frame.97		f.covered = append(f.covered, frame.Range)98		matchedPC = true99		if ln.progCount == nil {100			ln.progCount = make(map[int]bool)101			ln.progIndex = -1102		}103		for progIndex := range coveredBy {104			ln.progCount[progIndex] = true105			if ln.progIndex == -1 || len(progs[progIndex].Data) < len(progs[ln.progIndex].Data) {106				ln.progIndex = progIndex107			}108		}109		f.lines[frame.StartLine] = ln110	}111	if !matchedPC {112		return nil, fmt.Errorf("coverage doesn't match any coverage callbacks")113	}114	for _, unit := range rg.Units {115		f := files[unit.Name]116		for _, pc := range unit.PCs {117			if progPCs[pc] != nil {118				f.coveredPCs++119			}120		}121	}122	for _, s := range rg.Symbols {123		fun := &function{124			name: s.Name,125			pcs:  len(s.PCs),126		}127		for _, pc := range s.PCs {128			if progPCs[pc] != nil {129				fun.covered++130			}131		}132		f := files[s.Unit.Name]133		f.functions = append(f.functions, fun)134	}135	for _, f := range files {136		sort.Slice(f.functions, func(i, j int) bool {137			return f.functions[i].name < f.functions[j].name138		})139	}140	return files, nil141}142func (rg *ReportGenerator) lazySymbolize(progs []Prog) error {143	if len(rg.Symbols) == 0 {144		return nil145	}146	symbolize := make(map[*backend.Symbol]bool)147	uniquePCs := make(map[uint64]bool)148	pcs := make(map[*backend.Module][]uint64)149	for _, prog := range progs {150		for _, pc := range prog.PCs {151			if uniquePCs[pc] {152				continue153			}154			uniquePCs[pc] = true155			sym := rg.findSymbol(pc)156			if sym == nil || (sym.Symbolized || symbolize[sym]) {...

lazySymbolize

Using AI Code Generation

1import (2type A struct {3}4func main() {5	a := A{1, 2, 3}6	fmt.Println(unsafe.Sizeof(a))7}8import (9type A struct {10}11func main() {12	a := A{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26}13	fmt.Println(unsafe.Sizeof(a))14}15import (16type A struct {17}18func main() {19	a := A{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26}20	fmt.Println(unsafe.Sizeof(a))21}22import (

lazySymbolize

Using AI Code Generation

1import (2func main() {3	c := debug.Cover{4	}5	debug.SetCover(c)6	test()7	cover := debug.Cover{8	}9	debug.SetCover(cover)10	fmt.Println("Cover profile:", cover)11}12func test() {13	fmt.Println("Testing the code for coverage")14}

lazySymbolize

Using AI Code Generation

1import (2func lazySymbolize(data []byte) string {3}4type Cover struct {5}6func (c *Cover) lazySymbolize(data []byte) string {7}8func main() {9	c := &Cover{}10	fmt.Println(c.lazySymbolize([]byte("data")))11}12import (13func lazySymbolize(data []byte) string {14}15type Cover struct {16}17func (c *Cover) lazySymbolize(data []byte) string {18}19func main() {20	c := &Cover{}21	fmt.Println(c.lazySymbolize([]byte("data")))22}23import (24func lazySymbolize(data []byte) string {25}26type Cover struct {27}28func (c *Cover) lazySymbolize(data []byte) string {29}30func main() {31	c := &Cover{}32	fmt.Println(c.lazySymbolize([]byte("data")))33}34import (35func lazySymbolize(data []byte) string {36}37type Cover struct {38}39func (c *Cover) lazySymbolize(data []byte) string {40}41func main() {42	c := &Cover{}43	fmt.Println(c.lazySymbolize([]byte("data")))44}45import (46func lazySymbolize(data []byte) string {47}48type Cover struct {49}50func (c *Cover) lazySymbolize(data []byte) string {51}52func main() {

lazySymbolize

Using AI Code Generation

1import "fmt"2import "io/ioutil"3func main() {4    fmt.Println("Hello, world.")5    data, err := ioutil.ReadFile("2.go")6    if err != nil {7        fmt.Println("File reading error", err)8    }9    fmt.Println("Contents of file:", string(data))10}11import "fmt"12import "io/ioutil"13func main() {14    fmt.Println("Hello, world.")15    data, err := ioutil.ReadFile("3.go")16    if err != nil {17        fmt.Println("File reading error", err)18    }19    fmt.Println("Contents of file:", string(data))20}21import "fmt"22import "io/ioutil"23func main() {24    fmt.Println("Hello, world.")25    data, err := ioutil.ReadFile("4.go")26    if err != nil {27        fmt.Println("File reading error", err)28    }29    fmt.Println("Contents of file:", string(data))30}31import "fmt"32import "io/ioutil"33func main() {34    fmt.Println("Hello, world.")35    data, err := ioutil.ReadFile("5.go")36    if err != nil {37        fmt.Println("File reading error", err)38    }39    fmt.Println("Contents of file:", string(data))40}41import "fmt"42import "io/ioutil"43func main() {44    fmt.Println("Hello, world.")45    data, err := ioutil.ReadFile("6.go")46    if err != nil {47        fmt.Println("File reading error", err)48    }49    fmt.Println("Contents of file:", string(data))50}51import "fmt"52import "io/ioutil"53func main() {54    fmt.Println("Hello

lazySymbolize

Using AI Code Generation

1import (2func main() {3	p := prog.InitTarget(sys.Targets[sys.AMD64], 64)4	c := prog.MakeCover()5	typ := inp.Type()6	size := typ.Size()7	val := inp.(*prog.ConstArg).Val8	symVal := c.LazySymbolize(size, typ, val, p)9	fmt.Println(symVal)10}

lazySymbolize

Using AI Code Generation

1import (2type cover struct {3}4func main() {5	c.data = make([]byte, c.size)6	c.lazySymbolize()7	fmt.Println(c.data)8}9func (c *cover) lazySymbolize() {10	if c.data == nil {11		c.data = make([]byte, c.size)12	}13}14func (c *cover) setBit(i int) {15	c.data[i/8] |= 1 << (uint(i) & 7)16}17func (c *cover) setBit2(i int) {18	c.data[i/8] |= 1 << (uint(i) & 7)19}20func (c *cover) setBit3(i int) {21	c.data[i/8] |= 1 << (uint(i) & 7)22}23func (c *cover) setBit4(i int) {24	c.data[i/8] |= 1 << (uint(i) & 7)25}26func (c *cover) setBit5(i int) {27	c.data[i/8] |= 1 << (uint(i) & 7)28}29func (c *cover) setBit6(i int) {30	c.data[i/8] |= 1 << (uint(i) & 7)31}32import (33type cover struct {34}35func main() {36	c.data = make([]byte, c.size)37	c.lazySymbolize()38	fmt.Println(c.data)39}40func (c *cover) lazySymbolize() {41	if c.data == nil {42		c.data = make([]byte, c.size)43	}44}45func (c *cover) setBit(i int) {46	c.data[i/8] |= 1 << (uint(i) & 7)47}48func (c *cover) setBit2(i int) {49	c.data[i/8] |= 1 << (

lazySymbolize

Using AI Code Generation

1import (2func main() {3	c.init()4	c.lazySymbolize(0x4005d5, 0x4005e7)5	fmt.Println(c.getCovered())6}7import (8func main() {9	c.init()10	c.lazySymbolize(0x4005d5, 0x4005e7)11	fmt.Println(c.getCovered())12}13import (14func main() {15	c.init()16	c.lazySymbolize(0x4005d5, 0x4005e7)17	fmt.Println(c.getCovered())18}19import (20func main() {21	c.init()22	c.lazySymbolize(0x4005d5, 0x4005e7)23	fmt.Println(c.getCovered())24}25import (26func main() {27	c.init()28	c.lazySymbolize(0x4005d5, 0x4005e7)29	fmt.Println(c.getCovered())30}31import (

lazySymbolize

Using AI Code Generation

1import (2func lazySymbolize(input string) string {3	for _, c := range input {4		if symbol == "" {5			symbol = string(c)6		} else {7			if string(c) == symbol {8			} else {9				output += strconv.Itoa(count) + symbol10				symbol = string(c)11			}12		}13	}14	output += strconv.Itoa(count) + symbol15}16func main() {17	file, err := os.Open("input.txt")18	if err != nil {19		log.Fatal(err)20	}21	defer file.Close()22	scanner := bufio.NewScanner(file)23	for scanner.Scan() {24		input := scanner.Text()25		for i := 0; i < 50; i++ {26			output = lazySymbolize(output)27		}28		fmt.Println(len(output))29	}30}

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