How to use findCsummedArg method of prog Package

Best Syzkaller code snippet using prog.findCsummedArg

checksum.go

Source:checksum.go

...50	csumUses := make(map[Arg]struct{})51	// Calculate generic inet checksums.52	for _, arg := range inetCsumFields {53		typ, _ := arg.Type().(*CsumType)54		csummedArg := findCsummedArg(arg, typ, parentsMap)55		csumUses[csummedArg] = struct{}{}56		chunk := CsumChunk{CsumChunkArg, csummedArg, 0, 0}57		csumMap[arg] = CsumInfo{Kind: CsumInet, Chunks: []CsumChunk{chunk}}58	}59	// No need to continue if there are no pseudo csum fields.60	if len(pseudoCsumFields) == 0 {61		return csumMap, csumUses62	}63	// Extract ipv4 or ipv6 source and destination addresses.64	var ipSrcAddr, ipDstAddr Arg65	ForeachArg(c, func(arg Arg, _ *ArgCtx) {66		groupArg, ok := arg.(*GroupArg)67		if !ok {68			return69		}70		// syz_csum_* structs are used in tests71		switch groupArg.Type().TemplateName() {72		case "ipv4_header", "syz_csum_ipv4_header":73			ipSrcAddr, ipDstAddr = extractHeaderParams(groupArg, 4)74		case "ipv6_packet_t", "syz_csum_ipv6_header":75			ipSrcAddr, ipDstAddr = extractHeaderParams(groupArg, 16)76		}77	})78	if ipSrcAddr == nil || ipDstAddr == nil {79		panic("no ipv4 nor ipv6 header found")80	}81	// Calculate pseudo checksums.82	for _, arg := range pseudoCsumFields {83		typ, _ := arg.Type().(*CsumType)84		csummedArg := findCsummedArg(arg, typ, parentsMap)85		protocol := uint8(typ.Protocol)86		var info CsumInfo87		if ipSrcAddr.Size() == 4 {88			info = composePseudoCsumIPv4(csummedArg, ipSrcAddr, ipDstAddr, protocol)89		} else {90			info = composePseudoCsumIPv6(csummedArg, ipSrcAddr, ipDstAddr, protocol)91		}92		csumMap[arg] = info93		csumUses[csummedArg] = struct{}{}94		csumUses[ipSrcAddr] = struct{}{}95		csumUses[ipDstAddr] = struct{}{}96	}97	return csumMap, csumUses98}99func findCsummedArg(arg Arg, typ *CsumType, parentsMap map[Arg]Arg) Arg {100	if typ.Buf == ParentRef {101		csummedArg := parentsMap[arg]102		if csummedArg == nil {103			panic(fmt.Sprintf("%q for %q is not in parents map", ParentRef, typ.Name()))104		}105		return csummedArg106	}107	for parent := parentsMap[arg]; parent != nil; parent = parentsMap[parent] {108		// TODO(dvyukov): support template argument names as in size calculation.109		if typ.Buf == parent.Type().Name() {110			return parent111		}112	}113	panic(fmt.Sprintf("csum field %q references non existent field %q", typ.Name(), typ.Buf))...

findCsummedArg

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Scan(&n)4    for i := 0; i < n; i++ {5        fmt.Scan(&x)6        arr = append(arr, x)7    }8    fmt.Scan(&s)9    fmt.Println(prog.findCsummedArg(arr, s))10}11type prog struct{}12func (p prog) findCsummedArg(arr []int, s int) int {13    for i := 0; i < len(arr); i++ {14        if sum <= s {15        } else {16        }17    }18}

findCsummedArg

Using AI Code Generation

1import (2func main() {3	target, err := prog.GetTarget("linux", "amd64")4	if err != nil {5		panic(err)6	}7	p := target.MakeProg()8	csummedArg := p.FindCsummedArg(call, csumArg)9	fmt.Printf("csummedArg: %v10}11csummedArg: &{0x0 [0x1 0x1] 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0}

findCsummedArg

Using AI Code Generation

1import (2func main() {3    f, err := os.Open("input.txt")4    if err != nil {5        log.Fatal(err)6    }7    defer f.Close()8    for {9        _, err := fmt.Fscanf(f, "%d10        if err != nil {11        }12        nums = append(nums, n)13    }14    csummedArg := findCsummedArg(nums)15    fmt.Println(csummedArg)16}17func findCsummedArg(nums []int) int {18    for i := 25; i < len(nums); i++ {19        if !isSumOfPrev25(nums[i], nums[i-25:i]) {20        }21    }22}23func isSumOfPrev25(num int, prev25 []int) bool {24    for i := 0; i < 25; i++ {25        for j := i + 1; j < 25; j++ {26            if prev25[i]+prev25[j] == num {27            }28        }29    }30}31import (32func TestFindCsummedArg(t *testing.T) {33    nums := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 45, 26, 65, 95, 102, 117, 150, 182, 127, 219, 299, 277,

findCsummedArg

Using AI Code Generation

1import (2func main() {3	sum, err := strconv.Atoi(os.Args[1])4	if err != nil {5		fmt.Println("Error: ", err)6	}7	nums := make([]int, 0)8	for i := 2; i < len(os.Args); i++ {9		num, err := strconv.Atoi(os.Args[i])10		if err != nil {11			fmt.Println("Error: ", err)12		}13		nums = append(nums, num)14	}15	arg1, arg2 := findCsummedArg(sum, nums)16	fmt.Println(arg1, arg2)17}18func findCsummedArg(sum int, nums []int) (int, int) {19	numMap := make(map[int]bool)20	for _, num := range nums {21	}22	for _, num := range nums {23		if numMap[sum-num] {24		}25	}26}27import (28func main() {29	sum, err := strconv.Atoi(os.Args[1])

findCsummedArg

Using AI Code Generation

1func main() {2    args = []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}3    fmt.Println(findCsummedArg(sum, args))4}5func main() {6    args = []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}7    fmt.Println(findCsummedArg(sum, args))8}9func main() {10    args = []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}11    fmt.Println(findCsummedArg(sum, args))12}13func main() {14    args = []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}15    fmt.Println(findCsummedArg(sum, args))16}17func main() {18    args = []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}19    fmt.Println(findCsummedArg(sum, args))20}21func main() {

findCsummedArg

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    p := new(prog)5    p.load()6    p.findCsummedArg()7    fmt.Println(p)8}9import (10type prog struct {11}12func (p *prog) load() {13}14func (p *prog) findCsummedArg() {15    fmt.Println("findCsummedArg")16    data, err := ioutil.ReadFile("test.c")17    if err != nil {18        fmt.Println("File reading error", err)19    }20    fmt.Println("Contents of file:", string(data))21    str := string(data)22    lines = strings.Split(str, "23    for i := 0; i < len(lines); i++ {24        if strings.Contains(lines[i], "csummed") {25            fmt.Println(lines[i])26            fields = strings.Split(lines[i], " ")27            for j := 0; j < len(fields); j++ {28                if strings.Contains(fields[j], "arg") {29                    fmt.Println(p.csummedArg)30                }31            }32        }33    }34}35func (p *prog) String() string {36    return fmt.Sprintf("name: %s, csummedArg: %s", p.name, p.csummedArg)37}38import (39func main() {40    fmt.Println("Hello, playground")41    p := new(prog)42    p.load()43    p.findCsummedArg()44    fmt.Println(p)45}46import (

findCsummedArg

Using AI Code Generation

1import (2func main() {3	prog.FindCsummedArg()4}5func FindCsummedArg() {6	fmt.Println("findCsummedArg")7}8type Prog struct {9}

findCsummedArg

Using AI Code Generation

1import (2func main() {3    if len(os.Args) != 3 {4        fmt.Println("Usage: go run 2.go <checksum> <filename>")5        os.Exit(1)6    }7    checksum, err := strconv.Atoi(os.Args[1])8    if err != nil {9        fmt.Println("Error: checksum must be an integer")10        os.Exit(1)11    }12    prog := new(program)13    prog.load(filename)14    arg := prog.findCsummedArg(checksum)15    fmt.Println(arg)16}17import (18func main() {19    if len(os.Args) != 3 {20        fmt.Println("Usage: go run 2.go <checksum> <filename>")21        os.Exit(1)22    }23    checksum, err := strconv.Atoi(os.Args[1])24    if err != nil {25        fmt.Println("Error: checksum must be an integer")26        os.Exit(1)27    }28    prog := new(program)29    prog.load(filename)30    arg := prog.findCsummedArg(checksum)31    fmt.Println(arg)32}33import (34func main() {

findCsummedArg

Using AI Code Generation

1import (2func main() {3	prog = Program{}4	prog.findCsummedArg()5}6type Program struct {7}8func (prog Program) findCsummedArg() {9	for i := 1; i < len(os.Args); i++ {10		num, _ := strconv.Atoi(os.Args[i])11	}12	fmt.Println("The sum of the arguments is: ", sum)13}14import (15func main() {16	prog = Program{}17	prog.findCsummedArg()18}19type Program struct {20}21func (prog Program) findCsummedArg() {22	for i := 1; i < len(os.Args); i++ {23		num, _ := strconv.Atoi(os.Args[i])24	}25	fmt.Println("The sum of the arguments is: ", sum)26}27import (28func main() {29	prog = Program{}30	prog.findCsummedArg()31}32type Program struct {33}34func (prog Program) findCsummedArg() {35	for i := 1; i < len(os.Args); i++ {36		num, _ := strconv.Atoi(os.Args[i])37	}38	fmt.Println("The sum of the arguments is: ", sum)39}40import

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