How to use generateTimespec method of linux Package

Best Syzkaller code snippet using linux.generateTimespec

init.go

Source:init.go

...34	target.MakeMmap = targets.MakePosixMmap(target)35	target.SanitizeCall = arch.sanitizeCall36	target.SpecialTypes = map[string]func(g *prog.Gen, typ prog.Type, old prog.Arg) (37		prog.Arg, []*prog.Call){38		"timespec":           arch.generateTimespec,39		"timeval":            arch.generateTimespec,40		"sockaddr_alg":       arch.generateSockaddrAlg,41		"alg_name":           arch.generateAlgName,42		"alg_aead_name":      arch.generateAlgAeadName,43		"alg_hash_name":      arch.generateAlgHashName,44		"alg_blkcipher_name": arch.generateAlgBlkcipherhName,45		"ipt_replace":        arch.generateIptables,46		"ip6t_replace":       arch.generateIptables,47		"arpt_replace":       arch.generateArptables,48		"ebt_replace":        arch.generateEbtables,49	}50	target.StringDictionary = stringDictionary51	if target.Arch == runtime.GOARCH {52		KCOV_INIT_TRACE = uintptr(target.ConstMap["KCOV_INIT_TRACE"])53		KCOV_ENABLE = uintptr(target.ConstMap["KCOV_ENABLE"])54		KCOV_DISABLE = uintptr(target.ConstMap["KCOV_DISABLE"])55		KCOV_TRACE_CMP = uintptr(target.ConstMap["KCOV_TRACE_CMP"])56	}57}58var (59	// This should not be here, but for now we expose this for syz-fuzzer.60	KCOV_INIT_TRACE uintptr61	KCOV_ENABLE     uintptr62	KCOV_DISABLE    uintptr63	KCOV_TRACE_CMP  uintptr64	// TODO(dvyukov): get rid of this, this must be in descriptions.65	stringDictionary = []string{"user", "keyring", "trusted", "system", "security", "selinux",66		"posix_acl_access", "mime_type", "md5sum", "nodev", "self",67		"bdev", "proc", "cgroup", "cpuset",68		"lo", "eth0", "eth1", "em0", "em1", "wlan0", "wlan1", "ppp0", "ppp1",69		"vboxnet0", "vboxnet1", "vmnet0", "vmnet1", "GPL"}70)71type arch struct {72	unix *targets.UnixSanitizer73	clockGettimeSyscall *prog.Syscall74	SYSLOG_ACTION_CONSOLE_OFF uint6475	SYSLOG_ACTION_CONSOLE_ON  uint6476	SYSLOG_ACTION_SIZE_UNREAD uint6477	FIFREEZE                  uint6478	FITHAW                    uint6479	PTRACE_TRACEME            uint6480	CLOCK_REALTIME            uint6481	ARCH_SET_FS               uint6482	ARCH_SET_GS               uint6483	AF_NFC                    uint6484	AF_LLC                    uint6485	AF_BLUETOOTH              uint6486}87func (arch *arch) sanitizeCall(c *prog.Call) {88	arch.unix.SanitizeCall(c)89	switch c.Meta.CallName {90	case "syslog":91		cmd := c.Args[0].(*prog.ConstArg)92		cmd.Val = uint64(uint32(cmd.Val))93		// These disable console output, but we need it.94		if cmd.Val == arch.SYSLOG_ACTION_CONSOLE_OFF || cmd.Val == arch.SYSLOG_ACTION_CONSOLE_ON {95			cmd.Val = arch.SYSLOG_ACTION_SIZE_UNREAD96		}97	case "ioctl":98		cmd := c.Args[1].(*prog.ConstArg)99		// Freeze kills machine. Though, it is an interesting functions,100		// so we need to test it somehow.101		// TODO: not required if executor drops privileges.102		if uint64(uint32(cmd.Val)) == arch.FIFREEZE {103			cmd.Val = arch.FITHAW104		}105	case "ptrace":106		req := c.Args[0].(*prog.ConstArg)107		// PTRACE_TRACEME leads to unkillable processes, see:108		// https://groups.google.com/forum/#!topic/syzkaller/uGzwvhlCXAw109		if req.Val == arch.PTRACE_TRACEME {110			req.Val = ^uint64(0)111		}112	case "arch_prctl":113		// fs holds address of tls, if a program messes it at least signal114		// handling will break. This also allows a program to do writes115		// at arbitrary addresses, which usually leads to machine outbreak.116		cmd := c.Args[0].(*prog.ConstArg)117		if uint64(uint32(cmd.Val)) == arch.ARCH_SET_FS {118			cmd.Val = arch.ARCH_SET_GS119		}120	case "syz_init_net_socket":121		// Don't let it mess with arbitrary sockets in init namespace.122		family := c.Args[0].(*prog.ConstArg)123		switch uint64(uint32(family.Val)) {124		case arch.AF_NFC, arch.AF_LLC, arch.AF_BLUETOOTH:125		default:126			family.Val = ^uint64(0)127		}128	}129	switch c.Meta.Name {130	case "setsockopt$EBT_SO_SET_ENTRIES":131		arch.sanitizeEbtables(c)132	}133}134func (arch *arch) generateTimespec(g *prog.Gen, typ0 prog.Type, old prog.Arg) (arg prog.Arg, calls []*prog.Call) {135	typ := typ0.(*prog.StructType)136	// We need to generate timespec/timeval that are either137	// (1) definitely in the past, or138	// (2) definitely in unreachable fututre, or139	// (3) few ms ahead of now.140	// Note: timespec/timeval can be absolute or relative to now.141	// Note: executor has blocking syscall timeout of 20ms,142	// so we generate both 10ms and 30ms.143	usec := typ.Name() == "timeval"144	switch {145	case g.NOutOf(1, 4):146		// Now for relative, past for absolute.147		arg = prog.MakeGroupArg(typ, []prog.Arg{148			prog.MakeResultArg(typ.Fields[0], nil, 0),...

generateTimespec

Using AI Code Generation

1import (2func main() {3    caps, err := capability.NewPid(0)4    if err != nil {5        panic(err)6    }7    caps.Load()8    caps.Set(capability.CAPS, capability.CAP_NET_ADMIN)9    caps.Set(capability.CAPS, capability.CAP_NET_RAW)10    caps.Set(capability.CAPS, capability.CAP_NET_BIND_SERVICE)11    caps.Set(capability.CAPS, capability.CAP_NET_BROADCAST)12    caps.Set(capability.CAPS, capability.CAP_NET_ADMIN)13    caps.Set(capability.CAPS, capability.CAP_NET_RAW)14    caps.Set(capability.CAPS, capability.CAP_NET_BIND_SERVICE)15    caps.Set(capability.CAPS, capability.CAP_NET_BROADCAST)16    caps.Set(capability.CAPS, capability.CAP_NET_ADMIN)17    caps.Set(capability.CAPS, capability.CAP_NET_RAW)18    caps.Set(capability.CAPS, capability.CAP_NET_BIND_SERVICE)19    caps.Set(capability.CAPS, capability.CAP_NET_BROADCAST)20    caps.Set(capability.CAPS, capability.CAP_NET_ADMIN)21    caps.Set(capability.CAPS, capability.CAP_NET_RAW)22    caps.Set(capability.CAPS, capability.CAP_NET_BIND_SERVICE)23    caps.Set(capability.CAPS, capability.CAP_NET_BROADCAST)24    caps.Set(capability.CAPS, capability.CAP_NET_ADMIN)25    caps.Set(capability.CAPS, capability.CAP_NET_RAW)26    caps.Set(capability.CAPS, capability.CAP_NET_BIND_SERVICE)27    caps.Set(capability.CAPS, capability.CAP_NET_BROADCAST)28    caps.Set(capability.CAPS, capability.CAP_NET_ADMIN)29    caps.Set(capability.CAPS, capability.CAP_NET_RAW)30    caps.Set(capability.CAPS, capability.CAP_NET_BIND_SERVICE)31    caps.Set(capability.CAPS, capability.CAP_NET_BROADCAST)32    caps.Set(capability.CAPS, capability.CAP_NET_ADMIN)33    caps.Set(capability.CAPS, capability.CAP_NET_RAW)34    caps.Set(capability.CAPS, capability.CAP_NET_BIND_SERVICE)35    caps.Set(capability.CAPS, capability.CAP_NET_BROADCAST)36    caps.Set(capability.CAPS, capability.CAP_NET_ADMIN)37    caps.Set(capability.CAPS, capability.CAP_NET_RAW)38    caps.Set(capability.CAPS, capability.CAP

generateTimespec

Using AI Code Generation

1import (2func main() {3    t = time.Now()4    ts = syscall.NsecToTimespec(t.UnixNano())5    fmt.Println(ts)6}7{1486133503 0}8import (9func main() {10    syscall.Gettimeofday(&tv)11    ts = syscall.NsecToTimespec(int64(tv.Nano()))12    fmt.Println(ts)13}14{1486133702 0}15import (16func main() {17    ts = syscall.NsecToTimespec(time.Now().UnixNano())18    t = time.Unix(0, syscall.TimespecToNsec(ts))19    fmt.Println(t)20}

generateTimespec

Using AI Code Generation

1import "os"2import "fmt"3import "syscall"4import "time"5func main() {6    fmt.Println("Hello, playground")7    ts = syscall.NsecToTimespec(time.Now().UnixNano())8    fmt.Println(ts)9    fmt.Println(ts.Sec)10    fmt.Println(ts.Nsec)11    fmt.Println(ts.Unix())12    fmt.Println(ts.UnixNano())13    fmt.Println(time.Unix(ts.Sec, int64(ts.Nsec)))14    fmt.Println(time.Unix(0, ts.UnixNano()))15}16{1475843530 0}

generateTimespec

Using AI Code Generation

1import (2func main() {3	vm := otto.New()4	vm.Set("fmt", fmt)5	vm.Run(`6		var linux = require('./linux.js');7		var linuxObj = new linux.Linux();8		var timespec = linuxObj.generateTimespec(5);9		fmt.Println(timespec);10}11{sec:5,nsec:0}

generateTimespec

Using AI Code Generation

1import (2func main() {3	f, err := seccomp.NewFilter(seccomp.ActAllow)4	if err != nil {5		panic(err)6	}7	if err := f.AddRule(seccomp.Sysclock_gettime, seccomp.ActTrap); err != nil {8		panic(err)9	}10	if err := f.Load(); err != nil {11		panic(err)12	}13	t := time.Now()14	ts, err := seccomp.GenerateTimespec(t)15	if err != nil {16		panic(err)17	}18	fmt.Println(ts)19}

generateTimespec

Using AI Code Generation

1import (2func main() {3	t := time.Now()4	l := linux{}5	ts := l.generateTimespec(t)6	fmt.Println(ts)7}8import (9func main() {10	t := time.Now()11	l := linux{}12	ts := l.generateTimespec(t)13	fmt.Println(ts)14}15import (16func main() {17	t := time.Now()18	l := linux{}19	ts := l.generateTimespec(t)20	fmt.Println(ts)21}22import (23func main() {24	t := time.Now()25	l := linux{}26	ts := l.generateTimespec(t)27	fmt.Println(ts)28}29import (30func main() {31	t := time.Now()32	l := linux{}33	ts := l.generateTimespec(t)34	fmt.Println(ts)35}36import (37func main() {38	t := time.Now()39	l := linux{}

generateTimespec

Using AI Code Generation

1import "fmt"2import "github.com/rajanand02/linux"3func main() {4  fmt.Println("Hello World")5  t.GenerateTimespec()6  fmt.Println("Time is ", t)7}8import "fmt"9import "github.com/rajanand02/linux"10func main() {11  fmt.Println("Hello World")12  t.GenerateTimespec()13  fmt.Println("Time is ", t)14}15import "fmt"16import "github.com/rajanand02/linux"17func main() {18  fmt.Println("Hello World")19  t.GenerateTimespec()20  fmt.Println("Time is ", t)21}22import "fmt"23import "github.com/rajanand02/linux"24func main() {25  fmt.Println("Hello World")26  t.GenerateTimespec()27  fmt.Println("Time is ", t)28}29import "fmt"30import "github.com/rajanand02/linux"31func main() {32  fmt.Println("Hello World")33  t.GenerateTimespec()34  fmt.Println("Time is ", t)35}36import "fmt"37import "github.com/rajanand02/linux"38func main() {39  fmt.Println("Hello World")40  t.GenerateTimespec()41  fmt.Println("Time is ", t)42}43import "fmt"44import "github.com/rajanand02/linux"45func main() {46  fmt.Println("Hello World")47  t.GenerateTimespec()48  fmt.Println("Time is ", t)49}

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