How to use GetConst method of prog Package

Best Syzkaller code snippet using prog.GetConst

init.go

Source:init.go

...9func InitTarget(target *prog.Target) {10	arch := &arch{11		unix:                        targets.MakeUnixNeutralizer(target),12		clockGettimeSyscall:         target.SyscallMap["clock_gettime"],13		MREMAP_MAYMOVE:              target.GetConst("MREMAP_MAYMOVE"),14		MREMAP_FIXED:                target.GetConst("MREMAP_FIXED"),15		SYSLOG_ACTION_CONSOLE_OFF:   target.GetConst("SYSLOG_ACTION_CONSOLE_OFF"),16		SYSLOG_ACTION_CONSOLE_ON:    target.GetConst("SYSLOG_ACTION_CONSOLE_ON"),17		SYSLOG_ACTION_CONSOLE_LEVEL: target.GetConst("SYSLOG_ACTION_CONSOLE_LEVEL"),18		SYSLOG_ACTION_CLEAR:         target.GetConst("SYSLOG_ACTION_CLEAR"),19		SYSLOG_ACTION_SIZE_UNREAD:   target.GetConst("SYSLOG_ACTION_SIZE_UNREAD"),20		FIFREEZE:                    target.GetConst("FIFREEZE"),21		FITHAW:                      target.GetConst("FITHAW"),22		SNAPSHOT_FREEZE:             target.GetConst("SNAPSHOT_FREEZE"),23		SNAPSHOT_POWER_OFF:          target.GetConst("SNAPSHOT_POWER_OFF"),24		EXT4_IOC_SHUTDOWN:           target.GetConst("EXT4_IOC_SHUTDOWN"),25		EXT4_IOC_RESIZE_FS:          target.GetConst("EXT4_IOC_RESIZE_FS"),26		EXT4_IOC_MIGRATE:            target.GetConst("EXT4_IOC_MIGRATE"),27		FAN_OPEN_PERM:               target.GetConst("FAN_OPEN_PERM"),28		FAN_ACCESS_PERM:             target.GetConst("FAN_ACCESS_PERM"),29		FAN_OPEN_EXEC_PERM:          target.GetConst("FAN_OPEN_EXEC_PERM"),30		PTRACE_TRACEME:              target.GetConst("PTRACE_TRACEME"),31		CLOCK_REALTIME:              target.GetConst("CLOCK_REALTIME"),32		AF_NFC:                      target.GetConst("AF_NFC"),33		AF_LLC:                      target.GetConst("AF_LLC"),34		AF_BLUETOOTH:                target.GetConst("AF_BLUETOOTH"),35		AF_X25:                      target.GetConst("AF_X25"),36		AF_AX25:                     target.GetConst("AF_AX25"),37		AF_NETROM:                   target.GetConst("AF_NETROM"),38		AF_ROSE:                     target.GetConst("AF_ROSE"),39		USB_MAJOR:                   target.GetConst("USB_MAJOR"),40		TIOCSSERIAL:                 target.GetConst("TIOCSSERIAL"),41		TIOCGSERIAL:                 target.GetConst("TIOCGSERIAL"),42		// These are not present on all arches.43		ARCH_SET_FS: target.ConstMap["ARCH_SET_FS"],44		ARCH_SET_GS: target.ConstMap["ARCH_SET_GS"],45	}46	target.MakeDataMmap = targets.MakePosixMmap(target, true, true)47	target.Neutralize = arch.neutralize48	target.SpecialTypes = map[string]func(g *prog.Gen, typ prog.Type, dir prog.Dir, old prog.Arg) (49		prog.Arg, []*prog.Call){50		"timespec":                  arch.generateTimespec,51		"timeval":                   arch.generateTimespec,52		"sockaddr_alg":              arch.generateSockaddrAlg,53		"alg_name":                  arch.generateAlgName,54		"alg_aead_name":             arch.generateAlgAeadName,55		"alg_hash_name":             arch.generateAlgHashName,56		"alg_skcipher_name":         arch.generateAlgSkcipherhName,57		"ipt_replace":               arch.generateIptables,58		"ip6t_replace":              arch.generateIptables,59		"arpt_replace":              arch.generateArptables,60		"ebt_replace":               arch.generateEbtables,61		"usb_device_descriptor":     arch.generateUsbDeviceDescriptor,62		"usb_device_descriptor_hid": arch.generateUsbHidDeviceDescriptor,63	}64	target.AuxResources = map[string]bool{65		"uid":       true,66		"pid":       true,67		"gid":       true,68		"timespec":  true,69		"timeval":   true,70		"time_sec":  true,71		"time_usec": true,72		"time_nsec": true,73	}74	switch target.Arch {75	case "amd64":76		target.SpecialPointers = []uint64{77			0xffffffff81000000, // kernel text78		}79	case "386", "arm64", "arm", "ppc64le", "mips64le", "s390x", "riscv64":80	default:81		panic("unknown arch")82	}83	if target.Arch == runtime.GOARCH {84		KCOV_INIT_TRACE = uintptr(target.GetConst("KCOV_INIT_TRACE"))85		KCOV_ENABLE = uintptr(target.GetConst("KCOV_ENABLE"))86		KCOV_REMOTE_ENABLE = uintptr(target.GetConst("KCOV_REMOTE_ENABLE"))87		KCOV_DISABLE = uintptr(target.GetConst("KCOV_DISABLE"))88		KCOV_TRACE_PC = uintptr(target.GetConst("KCOV_TRACE_PC"))89		KCOV_TRACE_CMP = uintptr(target.GetConst("KCOV_TRACE_CMP"))90	}91}92var (93	// This should not be here, but for now we expose this for syz-fuzzer.94	KCOV_INIT_TRACE    uintptr95	KCOV_ENABLE        uintptr96	KCOV_REMOTE_ENABLE uintptr97	KCOV_DISABLE       uintptr98	KCOV_TRACE_PC      uintptr99	KCOV_TRACE_CMP     uintptr100)101type arch struct {102	unix *targets.UnixNeutralizer103	clockGettimeSyscall *prog.Syscall...

common.go

Source:common.go

...9// If contain is set, the mapping is surrounded by PROT_NONE pages.10// These flags should be in sync with what executor.11func MakePosixMmap(target *prog.Target, exec, contain bool) func() []*prog.Call {12	meta := target.SyscallMap["mmap"]13	protRW := target.GetConst("PROT_READ") | target.GetConst("PROT_WRITE")14	if exec {15		protRW |= target.GetConst("PROT_EXEC")16	}17	flags := target.GetConst("MAP_ANONYMOUS") | target.GetConst("MAP_PRIVATE") | target.GetConst("MAP_FIXED")18	size := target.NumPages * target.PageSize19	const invalidFD = ^uint64(0)20	makeMmap := func(addr, size, prot uint64) *prog.Call {21		args := []prog.Arg{22			prog.MakeVmaPointerArg(meta.Args[0].Type, prog.DirIn, addr, size),23			prog.MakeConstArg(meta.Args[1].Type, prog.DirIn, size),24			prog.MakeConstArg(meta.Args[2].Type, prog.DirIn, prot),25			prog.MakeConstArg(meta.Args[3].Type, prog.DirIn, flags),26			prog.MakeResultArg(meta.Args[4].Type, prog.DirIn, nil, invalidFD),27		}28		i := len(args)29		// Some targets have a padding argument between fd and offset.30		if len(meta.Args) > 6 {31			args = append(args, prog.MakeConstArg(meta.Args[i].Type, prog.DirIn, 0))32			i++33		}34		args = append(args, prog.MakeConstArg(meta.Args[i].Type, prog.DirIn, 0))35		return &prog.Call{36			Meta: meta,37			Args: args,38			Ret:  prog.MakeReturnArg(meta.Ret),39		}40	}41	return func() []*prog.Call {42		if contain {43			return []*prog.Call{44				makeMmap(^target.PageSize+1, target.PageSize, 0),45				makeMmap(0, size, protRW),46				makeMmap(size, target.PageSize, 0),47			}48		}49		return []*prog.Call{makeMmap(0, size, protRW)}50	}51}52func MakeSyzMmap(target *prog.Target) func() []*prog.Call {53	meta := target.SyscallMap["syz_mmap"]54	size := target.NumPages * target.PageSize55	return func() []*prog.Call {56		return []*prog.Call{57			{58				Meta: meta,59				Args: []prog.Arg{60					prog.MakeVmaPointerArg(meta.Args[0].Type, prog.DirIn, 0, size),61					prog.MakeConstArg(meta.Args[1].Type, prog.DirIn, size),62				},63				Ret: prog.MakeReturnArg(meta.Ret),64			},65		}66	}67}68type UnixNeutralizer struct {69	MAP_FIXED uint6470	S_IFREG   uint6471	S_IFCHR   uint6472	S_IFBLK   uint6473	S_IFIFO   uint6474	S_IFSOCK  uint6475}76func MakeUnixNeutralizer(target *prog.Target) *UnixNeutralizer {77	return &UnixNeutralizer{78		MAP_FIXED: target.GetConst("MAP_FIXED"),79		S_IFREG:   target.GetConst("S_IFREG"),80		S_IFCHR:   target.GetConst("S_IFCHR"),81		S_IFBLK:   target.GetConst("S_IFBLK"),82		S_IFIFO:   target.GetConst("S_IFIFO"),83		S_IFSOCK:  target.GetConst("S_IFSOCK"),84	}85}86func (arch *UnixNeutralizer) Neutralize(c *prog.Call) {87	switch c.Meta.CallName {88	case "mmap":89		// Add MAP_FIXED flag, otherwise it produces non-deterministic results.90		c.Args[3].(*prog.ConstArg).Val |= arch.MAP_FIXED91	case "mknod", "mknodat":92		pos := 193		if c.Meta.CallName == "mknodat" {94			pos = 295		}96		switch c.Args[pos+1].Type().(type) {97		case *prog.ProcType, *prog.ResourceType:...

GetConst

Using AI Code Generation

1import (2func main() {3 fmt.Println(prog.GetConst())4}5func GetConst() int {6}

GetConst

Using AI Code Generation

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

GetConst

Using AI Code Generation

1import (2func main() {3    fmt.Println(prog.GetConst())4}5const (6func GetConst() int {7}8import (9func main() {10    fmt.Println(prog.Const)11}12const (13func GetConst() int {14}15import (16func main() {17    fmt.Println(prog.GetConst())18}19const (20func GetConst() int {21}

GetConst

Using AI Code Generation

1import "fmt"2import "github.com/rajeshkumar1991/GoLang/Prog"3func main() {4    fmt.Println(Prog.GetConst())5}6import "fmt"7import "github.com/rajeshkumar1991/GoLang/Prog"8func main() {9    fmt.Println(Prog.GetConst())10}11import "fmt"12import "github.com/rajeshkumar1991/GoLang/Prog"13func main() {14    fmt.Println(Prog.GetConst())15}16import "fmt"17func GetConst() int {18}19func init() {20    fmt.Println("init method called")21}22import "fmt"

GetConst

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println(prog.GetConst())4}5import (6func main() {7    fmt.Println(prog.GetConst())8}9import (10func main() {11    fmt.Println(prog.GetConst())12}13import (14func main() {15    fmt.Println(prog.GetConst())16}17The above error is because the prog package is not imported in 2.go file. So we need to import the prog package in 2.go file. The below code will

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