How to use executeAndCollide method of main Package

Best Syzkaller code snippet using main.executeAndCollide

proc.go

Source:proc.go

...80		if len(fuzzerSnapshot.corpus) == 0 || i%generatePeriod == 0 {81			// Generate a new prog.82			p := proc.fuzzer.target.Generate(proc.rnd, prog.RecommendedCalls, ct)83			log.Logf(1, "#%v: generated", proc.pid)84			proc.executeAndCollide(proc.execOpts, p, ProgNormal, StatGenerate)85		} else {86			// Mutate an existing prog.87			p := fuzzerSnapshot.chooseProgram(proc.rnd).Clone()88			p.Mutate(proc.rnd, prog.RecommendedCalls, ct, fuzzerSnapshot.corpus)89			log.Logf(1, "#%v: mutated", proc.pid)90			proc.executeAndCollide(proc.execOpts, p, ProgNormal, StatFuzz)91		}92	}93}94func (proc *Proc) triageInput(item *WorkTriage) {95	log.Logf(1, "#%v: triaging type=%x", proc.pid, item.flags)96	prio := signalPrio(item.p, &item.info, item.call)97	inputSignal := signal.FromRaw(item.info.Signal, prio)98	newSignal := proc.fuzzer.corpusSignalDiff(inputSignal)99	if newSignal.Empty() {100		return101	}102	callName := ".extra"103	logCallName := "extra"104	if item.call != -1 {105		callName = item.p.Calls[item.call].Meta.Name106		logCallName = fmt.Sprintf("call #%v %v", item.call, callName)107	}108	log.Logf(3, "triaging input for %v (new signal=%v)", logCallName, newSignal.Len())109	var inputCover cover.Cover110	const (111		signalRuns       = 3112		minimizeAttempts = 3113	)114	// Compute input coverage and non-flaky signal for minimization.115	notexecuted := 0116	rawCover := []uint32{}117	for i := 0; i < signalRuns; i++ {118		info := proc.executeRaw(proc.execOptsCover, item.p, StatTriage)119		if !reexecutionSuccess(info, &item.info, item.call) {120			// The call was not executed or failed.121			notexecuted++122			if notexecuted > signalRuns/2+1 {123				return // if happens too often, give up124			}125			continue126		}127		thisSignal, thisCover := getSignalAndCover(item.p, info, item.call)128		if len(rawCover) == 0 && proc.fuzzer.fetchRawCover {129			rawCover = append([]uint32{}, thisCover...)130		}131		newSignal = newSignal.Intersection(thisSignal)132		// Without !minimized check manager starts losing some considerable amount133		// of coverage after each restart. Mechanics of this are not completely clear.134		if newSignal.Empty() && item.flags&ProgMinimized == 0 {135			return136		}137		inputCover.Merge(thisCover)138	}139	if item.flags&ProgMinimized == 0 {140		item.p, item.call = prog.Minimize(item.p, item.call, false,141			func(p1 *prog.Prog, call1 int) bool {142				for i := 0; i < minimizeAttempts; i++ {143					info := proc.execute(proc.execOpts, p1, ProgNormal, StatMinimize)144					if !reexecutionSuccess(info, &item.info, call1) {145						// The call was not executed or failed.146						continue147					}148					thisSignal, _ := getSignalAndCover(p1, info, call1)149					if newSignal.Intersection(thisSignal).Len() == newSignal.Len() {150						return true151					}152				}153				return false154			})155	}156	data := item.p.Serialize()157	sig := hash.Hash(data)158	log.Logf(2, "added new input for %v to corpus:\n%s", logCallName, data)159	proc.fuzzer.sendInputToManager(rpctype.Input{160		Call:     callName,161		CallID:   item.call,162		Prog:     data,163		Signal:   inputSignal.Serialize(),164		Cover:    inputCover.Serialize(),165		RawCover: rawCover,166	})167	proc.fuzzer.addInputToCorpus(item.p, inputSignal, sig)168	if item.flags&ProgSmashed == 0 {169		proc.fuzzer.workQueue.enqueue(&WorkSmash{item.p, item.call})170	}171}172func reexecutionSuccess(info *ipc.ProgInfo, oldInfo *ipc.CallInfo, call int) bool {173	if info == nil || len(info.Calls) == 0 {174		return false175	}176	if call != -1 {177		// Don't minimize calls from successful to unsuccessful.178		// Successful calls are much more valuable.179		if oldInfo.Errno == 0 && info.Calls[call].Errno != 0 {180			return false181		}182		return len(info.Calls[call].Signal) != 0183	}184	return len(info.Extra.Signal) != 0185}186func getSignalAndCover(p *prog.Prog, info *ipc.ProgInfo, call int) (signal.Signal, []uint32) {187	inf := &info.Extra188	if call != -1 {189		inf = &info.Calls[call]190	}191	return signal.FromRaw(inf.Signal, signalPrio(p, inf, call)), inf.Cover192}193func (proc *Proc) smashInput(item *WorkSmash) {194	if proc.fuzzer.faultInjectionEnabled && item.call != -1 {195		proc.failCall(item.p, item.call)196	}197	if proc.fuzzer.comparisonTracingEnabled && item.call != -1 {198		proc.executeHintSeed(item.p, item.call)199	}200	fuzzerSnapshot := proc.fuzzer.snapshot()201	for i := 0; i < 100; i++ {202		p := item.p.Clone()203		p.Mutate(proc.rnd, prog.RecommendedCalls, proc.fuzzer.choiceTable, fuzzerSnapshot.corpus)204		log.Logf(1, "#%v: smash mutated", proc.pid)205		proc.executeAndCollide(proc.execOpts, p, ProgNormal, StatSmash)206	}207}208func (proc *Proc) failCall(p *prog.Prog, call int) {209	for nth := 1; nth <= 100; nth++ {210		log.Logf(1, "#%v: injecting fault into call %v/%v", proc.pid, call, nth)211		newProg := p.Clone()212		newProg.Calls[call].Props.FailNth = nth213		info := proc.executeRaw(proc.execOpts, newProg, StatSmash)214		if info != nil && len(info.Calls) > call && info.Calls[call].Flags&ipc.CallFaultInjected == 0 {215			break216		}217	}218}219func (proc *Proc) executeHintSeed(p *prog.Prog, call int) {220	log.Logf(1, "#%v: collecting comparisons", proc.pid)221	// First execute the original program to dump comparisons from KCOV.222	info := proc.execute(proc.execOptsComps, p, ProgNormal, StatSeed)223	if info == nil {224		return225	}226	// Then mutate the initial program for every match between227	// a syscall argument and a comparison operand.228	// Execute each of such mutants to check if it gives new coverage.229	p.MutateWithHints(call, info.Calls[call].Comps, func(p *prog.Prog) {230		log.Logf(1, "#%v: executing comparison hint", proc.pid)231		proc.execute(proc.execOpts, p, ProgNormal, StatHint)232	})233}234func (proc *Proc) execute(execOpts *ipc.ExecOpts, p *prog.Prog, flags ProgTypes, stat Stat) *ipc.ProgInfo {235	info := proc.executeRaw(execOpts, p, stat)236	if info == nil {237		return nil238	}239	calls, extra := proc.fuzzer.checkNewSignal(p, info)240	for _, callIndex := range calls {241		proc.enqueueCallTriage(p, flags, callIndex, info.Calls[callIndex])242	}243	if extra {244		proc.enqueueCallTriage(p, flags, -1, info.Extra)245	}246	return info247}248func (proc *Proc) enqueueCallTriage(p *prog.Prog, flags ProgTypes, callIndex int, info ipc.CallInfo) {249	// info.Signal points to the output shmem region, detach it before queueing.250	info.Signal = append([]uint32{}, info.Signal...)251	// None of the caller use Cover, so just nil it instead of detaching.252	// Note: triage input uses executeRaw to get coverage.253	info.Cover = nil254	proc.fuzzer.workQueue.enqueue(&WorkTriage{255		p:     p.Clone(),256		call:  callIndex,257		info:  info,258		flags: flags,259	})260}261func (proc *Proc) executeAndCollide(execOpts *ipc.ExecOpts, p *prog.Prog, flags ProgTypes, stat Stat) {262	proc.execute(execOpts, p, flags, stat)263	if proc.execOptsCollide.Flags&ipc.FlagThreaded == 0 {264		// We cannot collide syscalls without being in the threaded mode.265		return266	}267	const collideIterations = 2268	for i := 0; i < collideIterations; i++ {269		proc.executeRaw(proc.execOptsCollide, proc.randomCollide(p), StatCollide)270	}271}272func (proc *Proc) randomCollide(origP *prog.Prog) *prog.Prog {273	// Old-styl collide with a 33% probability.274	if proc.rnd.Intn(3) == 0 {275		p, err := prog.DoubleExecCollide(origP, proc.rnd)...

executeAndCollide

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4}5import (6func executeAndCollide() {7	fmt.Println("Hello, playground")8}9Your name to display (optional):10Your name to display (optional):

executeAndCollide

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, World!")4	var a = []int{1, 2, 3, 4, 5}5	var b = []int{3, 4, 5, 6, 7}6	fmt.Println(executeAndCollide(a, b))7}8import (9func executeAndCollide(a []int, b []int) []int {10	for i := 0; i < len(a); i++ {11		for j := 0; j < len(b); j++ {12			if a[i] == b[j] {13				c = append(c, a[i])14			}15		}16	}17}

executeAndCollide

Using AI Code Generation

1import (2type point struct {3}4type circle struct {5}6type rectangle struct {7}8func (c circle) area() float64 {9}10func (r rectangle) area() float64 {11}12func (c circle) collide(r rectangle) bool {13	circleDistanceX := math.Abs(c.center.x - r.leftX)14	circleDistanceY := math.Abs(c.center.y - r.leftY)15	if circleDistanceX > (r.width/2 + c.radius) {16	}17	if circleDistanceY > (r.height/2 + c.radius) {18	}19	if circleDistanceX <= (r.width / 2) {20	}21	if circleDistanceY <= (r.height / 2) {22	}23	cornerDistanceSq := (circleDistanceX - r.width/2) * (circleDistanceX - r.width/2) +24		(circleDistanceY - r.height/2) * (circleDistanceY - r.height/2)25	return cornerDistanceSq <= (c.radius * c.radius)26}27func (r rectangle) collide(c circle) bool {28	return c.collide(r)29}30func (r rectangle) collide2(r2 rectangle) bool {31}32func (c circle) collide2(c2 circle) bool {33	return math.Pow(c.center.x-c2.center.x, 2)+math.Pow(c.center.y-c2.center.y, 2) < math.Pow(c.radius+c2.radius, 2)34}35func (c circle) collide3(c2 circle) bool {36	return math.Pow(c.center.x-c2.center.x, 2)+math.Pow(c.center.y-c2.center.y, 2) < math.Pow(c.radius-c2.radius, 2)37}38func (r rectangle) collide3(r2 rectangle) bool {

executeAndCollide

Using AI Code Generation

1import "fmt"2type Collide interface {3    ExecuteAndCollide()4}5type Main struct {6}7func (m Main) ExecuteAndCollide() {8    fmt.Println("ExecuteAndCollide")9}10func main() {11    m := Main{}12    m.ExecuteAndCollide()13}14import "fmt"15type Collide interface {16    ExecuteAndCollide()17}18type Main struct {19}20func (m Main) ExecuteAndCollide() {21    fmt.Println("ExecuteAndCollide")22}23func main() {24    m := Main{}25    m.ExecuteAndCollide()26}27import "fmt"28type Collide interface {29    ExecuteAndCollide()30}31type Main struct {32}33func (m Main) ExecuteAndCollide() {34    fmt.Println("ExecuteAndCollide")35}36func main() {37    m := Main{}38    m.ExecuteAndCollide()39}40import "fmt"41type Collide interface {42    ExecuteAndCollide()43}44type Main struct {45}46func (m Main) ExecuteAndCollide() {47    fmt.Println("ExecuteAndCollide")48}49func main() {50    m := Main{}51    m.ExecuteAndCollide()52}53import "fmt"54type Collide interface {55    ExecuteAndCollide()56}57type Main struct {58}59func (m Main) ExecuteAndCollide() {60    fmt.Println("ExecuteAndCollide")61}62func main() {63    m := Main{}64    m.ExecuteAndCollide()65}66import "fmt"67type Collide interface {68    ExecuteAndCollide()69}70type Main struct {71}72func (m Main) ExecuteAndCollide() {73    fmt.Println("ExecuteAndCollide")74}75func main() {76    m := Main{}77    m.ExecuteAndCollide()78}

executeAndCollide

Using AI Code Generation

1import (2func main() {3	rand.Seed(time.Now().UnixNano())4	mainInstance := new(mainClass)5	mainInstance.executeAndCollide()6}7import (8type mainClass struct {9}10import (11type mainClass struct {12}13func (mainInstance *mainClass) executeAndCollide() {14}15import (16type mainClass struct {17}18func (mainInstance *mainClass) executeAndCollide() {19}20import (21type mainClass struct {22}23func (mainInstance *mainClass) executeAndCollide() {24}25import (26type mainClass struct {27}28func (mainInstance *mainClass) executeAndCollide() {

executeAndCollide

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	executeAndCollide("hello", "hello")5}6import "fmt"7func executeAndCollide(a string, b string) {8	fmt.Println(a, b)9}

executeAndCollide

Using AI Code Generation

1import (2func main() {3	inputFile, err := os.Open("input.txt")4	if err != nil {5		fmt.Println("Error: ", err)6	}7	defer inputFile.Close()8	scanner := bufio.NewScanner(inputFile)9	scanner.Split(bufio.ScanLines)10	for scanner.Scan() {11		lines = append(lines, scanner.Text())12	}13	outputFile, err := os.Create("output.txt")14	if err != nil {15		fmt.Println("Error: ", err)16	}17	defer outputFile.Close()18	writer := bufio.NewWriter(outputFile)19	for _, line := range lines {20		writer.WriteString(executeAndCollide(line) + "\r21	}22	writer.Flush()23}24import (25func executeAndCollide(line string) string {26	tokens := strings.Split(line, " ")27	x1, _ := strconv.Atoi(tokens[0])28	y1, _ := strconv.Atoi(tokens[1])29	x2, _ := strconv.Atoi(tokens[2])30	y2, _ := strconv.Atoi(tokens[3])31	x3, _ := strconv.Atoi(tokens[4])32	y3, _ := strconv.Atoi(tokens[5])33	x4, _ := strconv.Atoi(tokens[6])34	y4, _ := strconv.Atoi(tokens

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