How to use checkLeak method of host Package

Best Syzkaller code snippet using host.checkLeak

raft_test.go

Source:raft_test.go

...145}146var clusters = make(map[string]int) // map[testname]numClusters147func newCluster(t *testing.T) *cluster {148	heartbeatTimeout := 1000 * time.Millisecond149	var checkLeak func()150	var testTimeout *time.Timer151	clusters[t.Name()]++152	if clusters[t.Name()] == 1 { // first cluster in test, initialize network and checks153		println()154		println()155		testln(t.Name(), "--------------------------")156		network = fnet.New()157		checkLeak = leaktest.Check(t)158		testTimeout = time.AfterFunc(time.Minute, func() {159			fmt.Printf("test %s timed out; failing...", t.Name())160			buf := make([]byte, 1024)161			for {162				n := runtime.Stack(buf, true)163				if n < len(buf) {164					buf = buf[:n]165					fmt.Println(string(buf))166					return167				}168				buf = make([]byte, 2*len(buf))169			}170		})171	}172	clusterID++173	c := &cluster{174		T:                t,175		id:               clusterID,176		port:             8888 + int(clusterID),177		checkLeak:        checkLeak,178		testTimeout:      testTimeout,179		rr:               make(map[uint64]*Raft),180		ports:            make(map[uint64]int),181		storage:          make(map[uint64]string),182		alerts:           make(map[uint64]*alerts),183		serveErr:         make(map[uint64]chan error),184		heartbeatTimeout: heartbeatTimeout,185		longTimeout:      5 * time.Second,186		commitTimeout:    5 * time.Millisecond,187	}188	c.opt = Options{189		HeartbeatTimeout: heartbeatTimeout,190		PromoteThreshold: heartbeatTimeout,191		Bandwidth:        256 * 1024,192		LogSegmentSize:   4 * 1024,193		SnapshotsRetain:  1,194		ShutdownOnRemove: true,195	}196	return c197}198var clusterID uint64199var network = fnet.New()200type cluster struct {201	*testing.T202	id               uint64203	port             int204	checkLeak        func()205	testTimeout      *time.Timer206	rr               map[uint64]*Raft207	ports            map[uint64]int208	storage          map[uint64]string209	alerts           map[uint64]*alerts210	serverErrMu      sync.RWMutex211	serveErr         map[uint64]chan error212	heartbeatTimeout time.Duration213	longTimeout      time.Duration214	commitTimeout    time.Duration215	opt              Options216	quorumWait       time.Duration217	resolverMu       sync.RWMutex218}219func (c *cluster) LookupID(id uint64, timeout time.Duration) (addr string, err error) {220	c.resolverMu.RLock()221	defer c.resolverMu.RUnlock()222	return c.id2Addr(id), nil223}224func (c *cluster) status(r *Raft) status {225	ee.statusMu.RLock()226	defer ee.statusMu.RUnlock()227	return ee.status[identity{r.cid, r.nid}]228}229func (c *cluster) registerFor(typ eventType, rr ...*Raft) *observer {230	return ee.registerFor(typ, c.id, rr...)231}232func (c *cluster) unregister(ob *observer) {233	ee.unregister(ob)234}235// if last param is error, call t.Fatal236func (c *cluster) ensure(v ...interface{}) {237	c.Helper()238	if len(v) > 0 {239		if err, ok := v[len(v)-1].(error); ok {240			c.Fatal(err)241		}242	}243}244func (c *cluster) exclude(excludes ...*Raft) []*Raft {245	var members []*Raft246loop:247	for _, r := range c.rr {248		for _, exclude := range excludes {249			if r == exclude {250				continue loop251			}252		}253		members = append(members, r)254	}255	return members256}257func (c *cluster) launch(n int, bootstrap bool) map[uint64]*Raft {258	c.Helper()259	testln("launch:", n, "bootstrap:", bootstrap)260	nodes := make(map[uint64]Node, n)261	for i := 1; i <= n; i++ {262		id := uint64(i + len(c.rr))263		nodes[id] = Node{ID: id, Addr: c.id2Addr(id), Voter: true}264	}265	launched := make(map[uint64]*Raft)266	for _, node := range nodes {267		storageDir, err := ioutil.TempDir(tempDir, "storage")268		if err != nil {269			c.Fatal(err)270		}271		if err = SetIdentity(storageDir, c.id, node.ID); err != nil {272			c.Fatal(err)273		}274		if bootstrap {275			if err := bootstrapStorage(storageDir, c.opt, nodes); err != nil {276				c.Fatalf("Storage.bootstrap failed: %v", err)277			}278		}279		fsm := &fsmMock{id: identity{c.id, node.ID}, changed: ee.onFMSChanged}280		c.alerts[node.ID] = new(alerts)281		opt := c.opt282		opt.Alerts = c.alerts[node.ID]283		r, err := New(opt, fsm, storageDir)284		if err != nil {285			c.Fatal(err)286		}287		r.quorumWait = c.quorumWait288		launched[r.nid] = r289		c.rr[node.ID] = r290		c.storage[node.ID] = storageDir291		c.serverErrMu.Lock()292		c.serveErr[r.nid] = make(chan error, 1)293		c.serverErrMu.Unlock()294	}295	for _, r := range launched {296		c.serve(r)297	}298	return launched299}300func (c *cluster) serve(r *Raft) {301	c.Helper()302	// switch to fake transport303	host := network.Host(id2Host(r.NID()))304	r.dialFn = host.DialTimeout305	l, err := host.Listen("tcp", c.id2Addr(r.NID()))306	if err != nil {307		c.Fatalf("raft.listen failed: %v", err)308	}309	ee.statusMu.Lock()310	identity := identity{r.cid, r.nid}311	status := ee.status[identity]312	status.state = Follower313	status.leader = 0314	ee.status[identity] = status315	ee.statusMu.Unlock()316	serving := make(chan struct{})317	go func() {318		close(serving)319		err := r.Serve(l)320		c.serverErrMu.RLock()321		c.serveErr[r.nid] <- err322		c.serverErrMu.RUnlock()323	}()324	<-serving325}326func (c *cluster) ensureLaunch(n int) (ldr *Raft, flrs []*Raft) {327	c.Helper()328	c.launch(n, true)329	ldr = c.waitForHealthy()330	flrs = c.followers()331	return332}333func (c *cluster) serveError(r *Raft) error {334	c.serverErrMu.RLock()335	ch := c.serveErr[r.nid]336	c.serverErrMu.RUnlock()337	err := <-ch338	ch <- ErrServerClosed339	return err340}341func (c *cluster) shutdown(rr ...*Raft) {342	c.Helper()343	checkLeak := false344	if len(rr) == 0 {345		testln("shutting down cluster")346		checkLeak = true347		rr = c.exclude()348	}349	var wg sync.WaitGroup350	for _, r := range rr {351		testln("shutting down", host(r))352		wg.Add(1)353		go func(r *Raft) {354			_ = r.Shutdown(context.Background())355			wg.Done()356		}(r)357	}358	wg.Wait()359	for _, r := range rr {360		err := c.serveError(r)361		if err != ErrServerClosed {362			c.Errorf("M%d.shutdown: got %v, want ErrServerClosed", r.NID(), err)363		}364	}365	if c.Failed() {366		c.FailNow()367	}368	if checkLeak && c.checkLeak != nil {369		if c.testTimeout != nil {370			c.testTimeout.Stop()371		}372		c.checkLeak()373		c.checkLeak = nil374	}375}376func (c *cluster) restart(r *Raft) *Raft {377	c.Helper()378	c.shutdown(r)379	newFSM := &fsmMock{id: identity{r.cid, r.nid}, changed: ee.onFMSChanged}380	storage := c.storage[r.nid]381	opt := c.opt382	opt.Alerts = c.alerts[r.nid]383	newr, err := New(opt, newFSM, storage)384	if err != nil {385		c.Fatal(err)386	}387	r.quorumWait = c.quorumWait...

email.go

Source:email.go

...29	host := p[1]30	_, err := net.LookupMX(host)31	return err == nil32}33func checkLeak(email string) ([]string, error) {34	u := fmt.Sprintf("https://hacked-emails.com/api?q=%s", url.QueryEscape(email))35	req, err := http.NewRequest("GET", u, nil)36	if err != nil {37		return nil, err38	}39	client := &http.Client{}40	resp, err := client.Do(req)41	if err != nil {42		return nil, err43	}44	defer resp.Body.Close()45	var leaks struct {46		Status string47		Data   []struct {48			Title string49		} `json:"data,omitempty"`50	}51	if err := json.NewDecoder(resp.Body).Decode(&leaks); err != nil {52		return nil, err53	}54	if leaks.Status == "apilimit" {55		return nil, errors.New("reached ratelimit")56	}57	var titles []string58	for _, d := range leaks.Data {59		titles = append(titles, d.Title)60	}61	return titles, nil62}63type module bool64var info = models.ModuleInfo{65	ID:   "email-module",66	Name: "Email Module",67}68func (m module) OnLoad(dir string) (models.ModuleInfo, error) {69	return info, nil70}71func (m module) Execute(inp <-chan models.Record, out chan<- models.Record) error {72	for rec := range inp {73		emails := extractEmails(string(rec.Resp.Content))74		if len(emails) > 0 {75			test := rec76			test.AddVulnerability(models.Vulnerability{77				Name:     "Email",78				Desc:     fmt.Sprintf("found %v", strings.Join(emails, ", ")),79				Severity: models.LOW,80			})81			for _, email := range emails {82				key := info.ID + email83				if _, err := cache.Get(key); err == nil {84					//Already checked85					continue86				}87				leaks, err := checkLeak(email)88				if err != nil {89					log.Print("Getting leaks failed: ", err)90					continue91				}92				if len(leaks) > 0 {93					test.AddVulnerability(models.Vulnerability{94						Name:     "Email with leaked password",95						Desc:     fmt.Sprintf("%q found in leak databases: %v ", email, strings.Join(leaks, ", ")),96						Severity: models.HIGH,97					})98				}99				err = cache.Set(key, 1)100				if err != nil {101					log.Print("Error catching result ", err)...

checkLeak

Using AI Code Generation

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

checkLeak

Using AI Code Generation

1import (2type host struct {3}4func (h *host) checkLeak() {5    fmt.Println("Checking for leak")6    time.Sleep(1 * time.Second)7    fmt.Println("Leak check complete")8}9func main() {10    h := &host{name: "host1", ip: "

checkLeak

Using AI Code Generation

1import (2func main() {3	host := new(Host)4	host.checkLeak()5	fmt.Println("Hello World")6}7import (8type Host struct {9}10func (h *Host) checkLeak() {11	runtime.ReadMemStats(&memstats)12	fmt.Println("Allocated Memory: ", memstats.Alloc)13}14type A struct {15}16type B struct {17}18func main() {19	a := new(A)

checkLeak

Using AI Code Generation

1import (2func main() {3    h.checkLeak()4    fmt.Println("Exiting main")5}6func (h host) checkLeak() {7    fmt.Println("Entering checkLeak")8    defer h.leak()9    fmt.Println("Exiting checkLeak")10}11func (h host) leak() {12    fmt.Println("Entering leak")13    for i := 0; i < 10; i++ {14        go func() {15            fmt.Println("In goroutine")16            time.Sleep(1 * time.Second)17        }()18    }19    fmt.Println("Exiting leak")20}21import (22func main() {23    h.checkLeak()24    fmt.Println("Exiting main")25}26func (h host) checkLeak() {27    fmt.Println("Entering checkLeak")

checkLeak

Using AI Code Generation

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

checkLeak

Using AI Code Generation

1import "fmt"2func main() {3    h := new(host)4    h.setHost("localhost", 8080)5    h.checkLeak()6}7import "fmt"8func main() {9    h := new(host)10    h.setHost("localhost", 8080)11    h.checkLeak()12}13import "fmt"14func main() {15    h := new(host)16    h.setHost("localhost", 8080)17    h.checkLeak()18}19import "fmt"20func main() {21    h := new(host)22    h.setHost("localhost", 8080)23    h.checkLeak()24}25import "fmt"26func main() {27    h := new(host)28    h.setHost("localhost", 8080)29    h.checkLeak()30}31import "fmt"32func main() {33    h := new(host)34    h.setHost("localhost", 8080)35    h.checkLeak()36}37import "fmt"38func main() {39    h := new(host)40    h.setHost("localhost", 8080)41    h.checkLeak()42}43import "fmt"44func main() {45    h := new(host)46    h.setHost("localhost", 8080)47    h.checkLeak()48}49import "fmt"50func main() {51    h := new(host)

checkLeak

Using AI Code Generation

1import (2func main() {3	runtime.GC()4	fmt.Println("Number of unreachable objects before the call to checkLeak method:", runtime.NumGoroutine())5	runtime.GC()6	fmt.Println("Number of unreachable objects after the call to checkLeak method:", runtime.NumGoroutine())7}8import (9func main() {10	runtime.GC()11	fmt.Println("Number of unreachable objects before the call to checkLeak method:", runtime.NumGoroutine())12	runtime.GC()13	fmt.Println("Number of unreachable objects after the call to checkLeak method:", runtime.NumGoroutine())14}15import (16func main() {17	runtime.GC()18	fmt.Println("Number of unreachable objects before the call to checkLeak method:", runtime.NumGoroutine())19	runtime.GC()20	fmt.Println("Number of unreachable objects after the call to checkLeak method:", runtime.NumGoroutine())21}22import (23func main() {24	runtime.GC()25	fmt.Println("Number of unreachable objects before the call to checkLeak method:", runtime.NumGoroutine())26	runtime.GC()27	fmt.Println("Number of unreachable objects after the call to checkLeak method:", runtime.NumGoroutine())28}29import (30func main() {31	runtime.GC()

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