How to use signalPrio method of main Package

Best Syzkaller code snippet using main.signalPrio

fuzzer.go

Source:fuzzer.go

...516	return517}518func (fuzzer *Fuzzer) getObjSignal(p *prog.Prog, info *ipc.ProgInfo, call int) signal.Signal {519	inf := &info.Calls[call]520	prio := signalPrio(p, inf, call)521	return signal.ObjCovFromRaw(inf.ObjCover, prio)522}523func (fuzzer *Fuzzer) getAllObjSignal(p *prog.Prog, info *ipc.ProgInfo) signal.Signal {524	var prio uint8525	var objSig signal.Signal526	for i := range info.Calls {527		prio = signalPrio(p, &info.Calls[i], i)528		objSig.Merge(signal.ObjCovFromRaw(info.Calls[i].ObjCover, prio))529	}530	return objSig531}532func (fuzzer *Fuzzer) checkNewObjSignal(p *prog.Prog, info *ipc.ProgInfo) (calls []int, extra bool) {533	fuzzer.signalMu.RLock()534	defer fuzzer.signalMu.RUnlock()535	// objSig := fuzzer.getObjSignal(p, info)536	// newObjSig := fuzzer.maxObjSignal.Diff(objSig)537	// if newObjSig.Empty() {538	// 	return false539	// }540	for i, inf := range info.Calls {541		if fuzzer.checkNewObjCallSignal(p, &inf, i) {542			calls = append(calls, i)543		}544	}545	// extra = fuzzer.checkNewObjCallSignal(p, &inf, i)546	extra = false547	return548}549func (fuzzer *Fuzzer) getObjCoverSize(info *ipc.ProgInfo) int {550	size := 0551	for i := range info.Calls {552		size += len(info.Calls[i].ObjCover)553	}554	return size555}556func (fuzzer *Fuzzer) checkNewCallSignal(p *prog.Prog, info *ipc.CallInfo, call int) bool {557	diff := fuzzer.maxSignal.DiffRaw(info.Signal, signalPrio(p, info, call))558	if diff.Empty() {559		return false560	}561	fuzzer.signalMu.RUnlock()562	fuzzer.signalMu.Lock()563	fuzzer.maxSignal.Merge(diff)564	fuzzer.newSignal.Merge(diff)565	fuzzer.signalMu.Unlock()566	fuzzer.signalMu.RLock()567	return true568}569func (fuzzer *Fuzzer) checkNewObjCallSignal(p *prog.Prog, info *ipc.CallInfo, call int) bool {570	// diff := fuzzer.maxSignal.DiffRaw(info.Signal, signalPrio(p, info, call))571	objSig := signal.ObjCovFromRaw(info.ObjCover, signalPrio(p, info, call))572	diff := fuzzer.maxObjSignal.Diff(objSig)573	if diff.Empty() {574		return false575	}576	fuzzer.signalMu.RUnlock()577	fuzzer.signalMu.Lock()578	fuzzer.maxSignal.Merge(diff)579	fuzzer.newSignal.Merge(diff)580	fuzzer.signalMu.Unlock()581	fuzzer.signalMu.RLock()582	return true583}584func signalPrio(p *prog.Prog, info *ipc.CallInfo, call int) (prio uint8) {585	if call == -1 {586		return 0587	}588	if info.Errno == 0 {589		prio |= 1 << 1590	}591	if !p.Target.CallContainsAny(p.Calls[call]) {592		prio |= 1 << 0593	}594	return595}596func parseOutputType(str string) OutputType {597	switch str {598	case "none":...

proc.go

Source:proc.go

...93	if !proc.fuzzer.coverageEnabled {94		panic("should not be called when coverage is disabled")95	}96	call := item.p.Calls[item.call]97	inputSignal := signal.FromRaw(item.info.Signal, signalPrio(item.p.Target, call, &item.info))98	newSignal := proc.fuzzer.corpusSignalDiff(inputSignal)99	if newSignal.Empty() {100		return101	}102	log.Logf(3, "triaging input for %v (new signal=%v)", call.Meta.CallName, newSignal.Len())103	var inputCover cover.Cover104	const (105		signalRuns       = 3106		minimizeAttempts = 3107	)108	// Compute input coverage and non-flaky signal for minimization.109	notexecuted := 0110	for i := 0; i < signalRuns; i++ {111		info := proc.executeRaw(proc.execOptsCover, item.p, StatTriage)112		if len(info) == 0 || len(info[item.call].Signal) == 0 ||113			item.info.Errno == 0 && info[item.call].Errno != 0 {114			// The call was not executed or failed.115			notexecuted++116			if notexecuted > signalRuns/2+1 {117				return // if happens too often, give up118			}119			continue120		}121		inf := info[item.call]122		thisSignal := signal.FromRaw(inf.Signal, signalPrio(item.p.Target, call, &inf))123		newSignal = newSignal.Intersection(thisSignal)124		// Without !minimized check manager starts losing some considerable amount125		// of coverage after each restart. Mechanics of this are not completely clear.126		if newSignal.Empty() && item.flags&ProgMinimized == 0 {127			return128		}129		inputCover.Merge(inf.Cover)130	}131	if item.flags&ProgMinimized == 0 {132		item.p, item.call = prog.Minimize(item.p, item.call, false,133			func(p1 *prog.Prog, call1 int) bool {134				for i := 0; i < minimizeAttempts; i++ {135					info := proc.execute(proc.execOptsNoCollide, p1, ProgNormal, StatMinimize)136					if len(info) == 0 || len(info[call1].Signal) == 0 {137						continue // The call was not executed.138					}139					inf := info[call1]140					if item.info.Errno == 0 && inf.Errno != 0 {141						// Don't minimize calls from successful to unsuccessful.142						// Successful calls are much more valuable.143						return false144					}145					prio := signalPrio(p1.Target, p1.Calls[call1], &inf)146					thisSignal := signal.FromRaw(inf.Signal, prio)147					if newSignal.Intersection(thisSignal).Len() == newSignal.Len() {148						return true149					}150				}151				return false152			})153	}154	data := item.p.Serialize()155	sig := hash.Hash(data)156	log.Logf(2, "added new input for %v to corpus:\n%s", call.Meta.CallName, data)157	proc.fuzzer.sendInputToManager(rpctype.RPCInput{158		Call:   call.Meta.CallName,159		Prog:   data,...

signalPrio

Using AI Code Generation

1import (2func main() {3    c := make(chan int)4    go func() {5        for i := 0; i < 10; i++ {6        }7    }()8    go func() {9        for i := 0; i < 10; i++ {10        }11    }()12    go func() {13        for i := 0; i < 10; i++ {14            fmt.Println(<-c)15        }16    }()17    time.Sleep(time.Second)18}19import (20func main() {21    c := make(chan int)22    go func() {23        for i := 0; i < 10; i++ {24        }25    }()26    go func() {27        for i := 0; i < 10; i++ {28        }29    }()30    go func() {31        for i := 0; i < 10; i++ {32            fmt.Println(<-c)33        }34    }()35    time.Sleep(time.Second)36}37import (38func main() {39    c := make(chan int)40    go func() {41        for i := 0; i < 10; i++ {42        }43    }()44    go func() {45        for i := 0; i < 10; i++ {46        }47    }()48    go func() {49        for i := 0; i < 10; i++ {50            fmt.Println(<-c)51        }52    }()53    time.Sleep(time.Second)54}55import (56func main() {57    c := make(chan int)58    go func() {59        for i := 0; i < 10; i++ {60        }61    }()62    go func() {63        for i := 0; i < 10; i++ {

signalPrio

Using AI Code Generation

1import (2func main() {3    c := make(chan int)4    go func() {5        for {6            select {7                fmt.Println("from c", v)8            case <-time.After(2 * time.Second):9                fmt.Println("timeout")10            }11        }12    }()13    for i := 0; i < 5; i++ {14        select {15        case <-time.After(3 * time.Second):16            fmt.Println("send timeout")17        }18    }19}

signalPrio

Using AI Code Generation

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

signalPrio

Using AI Code Generation

1import (2func main() {3        var sigs = make(chan os.Signal, 1)4        signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)5        fmt.Println("awaiting signal")6        fmt.Println("exiting")7}8import (9func main() {10        var sigs = make(chan os.Signal, 1)11        signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)12        fmt.Println("awaiting signal")13        fmt.Println("exiting")14}15import (16func main() {17        var sigs = make(chan os.Signal, 1)18        signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)19        fmt.Println("awaiting signal")20        fmt.Println("exiting")21}22import (23func main() {24        var sigs = make(chan os.Signal, 1)25        signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)26        fmt.Println("awaiting signal")27        fmt.Println("exiting")28}29import (30func main() {31        var sigs = make(chan os.Signal, 1)32        signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)33        fmt.Println("awaiting signal")34        fmt.Println("exiting")35}36import (

signalPrio

Using AI Code Generation

1import (2func main() {3	fmt.Println("hello world")4	sigs := make(chan os.Signal, 1)5	done := make(chan bool, 1)6	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)7	go func() {8		fmt.Println()9		fmt.Println(sig)10	}()11	fmt.Println("awaiting signal")12	fmt.Println("exiting")13}14import (15func main() {16	fmt.Println("hello world")17	sigs := make(chan os.Signal, 1)18	done := make(chan bool, 1)19	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)20	go func() {21		fmt.Println()22		fmt.Println(sig)23	}()24	fmt.Println("awaiting signal")25	fmt.Println("exiting")26}27import (28func main() {29	fmt.Println("hello world")30	sigs := make(chan os.Signal, 1)31	done := make(chan bool, 1)32	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)33	go func() {34		fmt.Println()35		fmt.Println(sig)36	}()37	fmt.Println("awaiting signal")38	fmt.Println("exiting")39}40import (41func main() {42	fmt.Println("hello world")43	sigs := make(chan os.Signal, 1)44	done := make(chan bool, 1)45	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)46	go func() {47		fmt.Println()48		fmt.Println(sig)49	}()50	fmt.Println("awaiting signal")51	fmt.Println("exiting")52}

signalPrio

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello from 2.go")4    signalPrio()5}6import "fmt"7func main() {8    fmt.Println("Hello from 1.go")9    signalPrio()10}11import "fmt"12func main() {13    fmt.Println("Hello from 4.go")14    signalPrio()15}16import "fmt"17func main() {18    fmt.Println("Hello from 3.go")19    signalPrio()20}21import "fmt"22func main() {23    fmt.Println("Hello from 5.go")24    signalPrio()25}26import "fmt"27func main() {28    fmt.Println("Hello from 6.go")29    signalPrio()30}

signalPrio

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("I am in 2.go")4    signalPrio()5}6import "fmt"7func main() {8    fmt.Println("I am in 1.go")9    signalPrio()10}11import "fmt"12func signalPrio() {13    fmt.Println("I am in main.go")14}15import "fmt"16func signalPrio() {17    fmt.Println("I am in main.go")18}19import "fmt"20func main() {21    fmt.Println("I am in 1.go")22    signalPrio()23}24import "fmt"25func main() {26    fmt.Println("I am in 2.go")27    signalPrio()28}29import "fmt"30func signalPrio() {31    fmt.Println("I am in main.go")32}33import "fmt"34func main() {35    fmt.Println("I am in 1.go")

signalPrio

Using AI Code Generation

1import (2func main() {3	fmt.Println("Calling signalPrio method")4	syscall.SignalPrio()5}6import (7func main() {8	fmt.Println("Calling signalPrio method")9	syscall.SignalPrio()10}11import (12func main() {13	fmt.Println("Calling signalPrio method")14	syscall.SignalPrio()15}16import (17func main() {18	fmt.Println("Calling signalPrio method")19	syscall.SignalPrio()20}21import (22func main() {23	fmt.Println("Calling signalPrio method")24	syscall.SignalPrio()25}26import (27func main() {28	fmt.Println("Calling signalPrio method")29	syscall.SignalPrio()30}31import (32func main() {33	fmt.Println("Calling signalPrio method")34	syscall.SignalPrio()35}36import (37func main() {38	fmt.Println("Calling signalPrio method")39	syscall.SignalPrio()40}

signalPrio

Using AI Code Generation

1import (2func main() {3	ch := make(chan string, 1)4	go func() {5		time.Sleep(1 * time.Second)6	}()7	time.Sleep(1 * time.Second)8	fmt.Println(data)9	fmt.Println(

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