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How to use mutateAlignedInt method of prog Package

Best Syzkaller code snippet using prog.mutateAlignedInt

mutation.go

Source:mutation.go

...242	default:243		return a.Val ^ (1 << uint64(r.Intn(int(t.TypeBitSize()))))244	}245}246func mutateAlignedInt(r *randGen, a *ConstArg, t *IntType) uint64 {247	rangeEnd := t.RangeEnd248	if t.RangeBegin == 0 && int64(rangeEnd) == -1 {249		// Special [0:-1] range for all possible values.250		rangeEnd = uint64(1<<t.TypeBitSize() - 1)251	}252	index := (a.Val - t.RangeBegin) / t.Align253	misalignment := (a.Val - t.RangeBegin) % t.Align254	switch {255	case r.nOutOf(1, 3):256		index += uint64(r.Intn(4)) + 1257	case r.nOutOf(1, 2):258		index -= uint64(r.Intn(4)) + 1259	default:260		index ^= 1 << uint64(r.Intn(int(t.TypeBitSize())))261	}262	lastIndex := (rangeEnd - t.RangeBegin) / t.Align263	index %= lastIndex + 1264	return t.RangeBegin + index*t.Align + misalignment265}266func (t *IntType) mutate(r *randGen, s *state, arg Arg, ctx ArgCtx) (calls []*Call, retry, preserve bool) {267	if r.bin() {268		return regenerate(r, s, arg)269	}270	a := arg.(*ConstArg)271	if t.Align == 0 {272		a.Val = mutateInt(r, a, t)273	} else {274		a.Val = mutateAlignedInt(r, a, t)275	}276	a.Val = truncateToBitSize(a.Val, t.TypeBitSize())277	return278}279func (t *FlagsType) mutate(r *randGen, s *state, arg Arg, ctx ArgCtx) (calls []*Call, retry, preserve bool) {280	a := arg.(*ConstArg)281	for oldVal := a.Val; oldVal == a.Val; {282		a.Val = r.flags(t.Vals, t.BitMask, a.Val)283	}284	return285}286func (t *LenType) mutate(r *randGen, s *state, arg Arg, ctx ArgCtx) (calls []*Call, retry, preserve bool) {287	if !r.mutateSize(arg.(*ConstArg), *ctx.Parent, ctx.Fields) {288		retry = true...

mutateAlignedInt

Using AI Code Generation

1import (2func main() {3    fmt.Println("x = ", x, "y = ", y)4    prog.mutateAlignedInt(&x, &y)5    fmt.Println("x = ", x, "y = ", y)6}7import (8func main() {9    fmt.Println("x = ", x, "y = ", y)10    prog.mutateUnalignedInt(&x, &y)11    fmt.Println("x = ", x, "y = ", y)12}13import (14func main() {15    fmt.Println("x = ", x, "y = ", y)16    prog.mutateUnalignedInt(&x, &y)17    fmt.Println("x = ", x, "y = ", y)18}19import (20func main() {21    fmt.Println("x = ", x, "y = ", y)22    prog.mutateUnalignedInt(&x, &y)23    fmt.Println("x = ", x, "y = ", y)24}25import (26func main() {27    fmt.Println("x = ", x, "y = ", y)28    prog.mutateUnalignedInt(&x, &y)29    fmt.Println("x = ", x, "y = ", y)30}31import (32func main() {

mutateAlignedInt

Using AI Code Generation

1import "fmt"2func main() {3    prog.mutateAlignedInt()4    fmt.Println(prog.i)5}6type prog struct {7}8func (p *prog) mutateAlignedInt() {9}

mutateAlignedInt

Using AI Code Generation

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

mutateAlignedInt

Using AI Code Generation

1import (2func main() {3	prog.mutateAlignedInt(1, 2)4	fmt.Println(prog)5}6import (7func main() {8	prog.mutateAlignedInt(1, 2)9	fmt.Println(prog)10}11import (12type prog struct {13}14func (p *prog) mutateAlignedInt(start, end int) {15	if start < 0 || end > int(unsafe.Sizeof(p)) {16		fmt.Println("Invalid range")17	}18	for i := start; i < end; i++ {19		(*byte)(unsafe.Pointer(uintptr(unsafe.Pointer(p)) + uintptr(i))) = 020	}21}

mutateAlignedInt

Using AI Code Generation

1import (2func main() {3    fmt.Println("Before Mutation: ", i)4    prog.mutateAlignedInt(&i)5    fmt.Println("After Mutation: ", i)6}7import (8func main() {9    fmt.Println("Before Mutation: ", i)10    prog.mutateUnalignedInt(&i)11    fmt.Println("After Mutation: ", i)12}13import (14func main() {15    fmt.Println("Before Mutation: ", i)16    prog.mutateUnalignedInt(&i)17    fmt.Println("After Mutation: ", i)18}19import (20func main() {21    fmt.Println("Before Mutation: ", i)22    prog.mutateUnalignedInt(&i)23    fmt.Println("After Mutation: ", i)24}25import (26func main() {27    fmt.Println("Before Mutation: ", i)28    prog.mutateUnalignedInt(&i)29    fmt.Println("After Mutation: ", i)30}31import (32func main() {33    fmt.Println("Before Mutation: ", i)34    prog.mutateUnalignedInt(&i)35    fmt.Println("After Mutation: ", i)36}

mutateAlignedInt

Using AI Code Generation

1import (2func main() {3	p := prog{}4	fmt.Printf("i is: %x5	p.mutateAlignedInt(&i)6	fmt.Printf("i is: %x7}8type prog struct {9}10func (p *prog) mutateAlignedInt(i *int32) {11}

mutateAlignedInt

Using AI Code Generation

1import (2func main() {3	fmt.Println("x is", x)4	x = prog.mutateAlignedInt(x)5	fmt.Println("x is now", x)6}7type prog struct {8}9func (p prog) mutateAlignedInt(x int) int {10}11type prog struct {12}13func (p prog) mutateAlignedInt(x int) int {14}15TEXT ·mutateAlignedInt(SB), $0-816	MOVQ x+0(FP), AX17	MOVQ AX, ret+8(FP)18import (19func TestMutateAlignedInt(t *testing.T) {20	if x != 3 {21		t.Errorf("x should be 3, but is %d", x)22	}23	x = prog.mutateAlignedInt(x)24	if x != 4 {25		t.Errorf("x should be 4, but is %d", x)26	}27}28TEXT ·TestMutateAlignedInt(SB), $0-829	MOVQ $3, x+0(FP)30	MOVQ x+0(FP), AX31	MOVQ x+0(FP), AX32	MOVQ AX, x+0(FP)33	MOVQ x+0(FP), AX

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