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Automation Advisor
Syzkaller
prog
encodeFallbackSignal

How to use encodeFallbackSignal method of prog Package

Best Syzkaller code snippet using prog.encodeFallbackSignal

analysis.go

Source:analysis.go

...191		typ := fallbackSignalErrno192		if inf.Flags&CallFinished != 0 && inf.Flags&CallBlocked != 0 {193			typ = fallbackSignalErrnoBlocked194		}195		inf.Signal = append(inf.Signal, encodeFallbackSignal(typ, id, inf.Errno))196		if c.Meta.Attrs.BreaksReturns {197			break198		}199		if inf.Errno != 0 {200			continue201		}202		ForeachArg(c, func(arg Arg, _ *ArgCtx) {203			if a, ok := arg.(*ResultArg); ok {204				resources[a] = c205			}206		})207		// Specifically look only at top-level arguments,208		// deeper arguments can produce too much false signal.209		flags := 0210		for _, arg := range c.Args {211			flags = extractArgSignal(arg, id, flags, inf, resources)212		}213		if flags != 0 {214			inf.Signal = append(inf.Signal,215				encodeFallbackSignal(fallbackSignalFlags, id, flags))216		}217	}218}219func extractArgSignal(arg Arg, callID, flags int, inf *CallInfo, resources map[*ResultArg]*Call) int {220	switch a := arg.(type) {221	case *ResultArg:222		flags <<= 1223		if a.Res != nil {224			ctor := resources[a.Res]225			if ctor != nil {226				inf.Signal = append(inf.Signal,227					encodeFallbackSignal(fallbackSignalCtor, callID, ctor.Meta.ID))228			}229		} else {230			if a.Val != a.Type().(*ResourceType).SpecialValues()[0] {231				flags |= 1232			}233		}234	case *ConstArg:235		const width = 3236		flags <<= width237		switch typ := a.Type().(type) {238		case *FlagsType:239			if typ.BitMask {240				for i, v := range typ.Vals {241					if a.Val&v != 0 {242						flags ^= 1 << (uint(i) % width)243					}244				}245			} else {246				for i, v := range typ.Vals {247					if a.Val == v {248						flags |= i % (1 << width)249						break250					}251				}252			}253		case *LenType:254			flags <<= 1255			if a.Val == 0 {256				flags |= 1257			}258		}259	case *PointerArg:260		flags <<= 1261		if a.IsSpecial() {262			flags |= 1263		}264	}265	return flags266}267func DecodeFallbackSignal(s uint32) (callID, errno int) {268	typ, id, aux := decodeFallbackSignal(s)269	switch typ {270	case fallbackSignalErrno, fallbackSignalErrnoBlocked:271		return id, aux272	case fallbackSignalCtor, fallbackSignalFlags:273		return id, 0274	default:275		panic(fmt.Sprintf("bad fallback signal type %v", typ))276	}277}278func encodeFallbackSignal(typ, id, aux int) uint32 {279	if typ & ^7 != 0 {280		panic(fmt.Sprintf("bad fallback signal type %v", typ))281	}282	if id & ^fallbackCallMask != 0 {283		panic(fmt.Sprintf("bad call id in fallback signal %v", id))284	}285	return uint32(typ) | uint32(id&fallbackCallMask)<<3 | uint32(aux)<<16286}287func decodeFallbackSignal(s uint32) (typ, id, aux int) {288	return int(s & 7), int((s >> 3) & fallbackCallMask), int(s >> 16)289}...

encodeFallbackSignal

Using AI Code Generation

1import (2func main() {3	fmt.Println(strings.Contains("test", "es"))4	fmt.Println(strings.Contains("test", "a"))5	fmt.Println(strings.Contains("test", "x"))6	fmt.Println(strings.Contains("test", ""))7}8import (9func main() {10	fmt.Println(strings.ContainsAny("team", "i"))11	fmt.Println(strings.ContainsAny("failure", "u & i"))12	fmt.Println(strings.ContainsAny("in failure", "s g"))13	fmt.Println(strings.ContainsAny("foo", ""))14	fmt.Println(strings.ContainsAny("", ""))15}16import (17func main() {18	fmt.Println(strings.Count("cheese", "e"))19}20import (21func main() {22	fmt.Printf("Fields are: %q", strings.Fields("  foo bar  baz   "))23}24import (25func main() {26	fmt.Printf("Fields are: %q", strings.FieldsFunc("  foo1;bar

encodeFallbackSignal

Using AI Code Generation

1import (2func main() {3	fmt.Println(utf8.EncodeRune([]byte("a"), 'a'))4}5import (6func main() {7	fmt.Println(utf8.EncodeRune([]byte("a"), 'a'))8}9import (10func main() {11	fmt.Println(utf8.EncodeRune([]byte("a"), 'a'))12}13import (14func main() {15	fmt.Println(utf8.EncodeRune([]byte("a"), 'a'))16}

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