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How to use PhysicalAddr method of prog Package

Best Syzkaller code snippet using prog.PhysicalAddr

encodingexec.go

Source:encodingexec.go

...34}35func (s Args) Swap(i, j int) {36	s[i], s[j] = s[j], s[i]37}38type ByPhysicalAddr struct {39	Args40	Context *execContext41}42func (s ByPhysicalAddr) Less(i, j int) bool {43	return s.Context.args[s.Args[i]].Addr < s.Context.args[s.Args[j]].Addr44}45// SerializeForExec serializes program p for execution by process pid into the provided buffer.46// Returns number of bytes written to the buffer.47// If the provided buffer is too small for the program an error is returned.48func (p *Prog) SerializeForExec(buffer []byte, pid int) (int, error) {49	if debug {50		if err := p.validate(); err != nil {51			panic(fmt.Errorf("serializing invalid program: %v", err))52		}53	}54	instrSeq := 055	w := &execContext{56		target: p.Target,57		buf:    buffer,58		eof:    false,59		args:   make(map[Arg]argInfo),60	}61	for _, c := range p.Calls {62		// Calculate checksums.63		csumMap := calcChecksumsCall(c, pid)64		var csumUses map[Arg]bool65		if csumMap != nil {66			csumUses = make(map[Arg]bool)67			for arg, info := range csumMap {68				csumUses[arg] = true69				if info.Kind == CsumInet {70					for _, chunk := range info.Chunks {71						if chunk.Kind == CsumChunkArg {72							csumUses[chunk.Arg] = true73						}74					}75				}76			}77		}78		// Calculate arg offsets within structs.79		// Generate copyin instructions that fill in data into pointer arguments.80		foreachArg(c, func(arg, _ Arg, _ *[]Arg) {81			if a, ok := arg.(*PointerArg); ok && a.Res != nil {82				foreachSubargOffset(a.Res, func(arg1 Arg, offset uint64) {83					used, ok := arg1.(ArgUsed)84					if (ok && len(*used.Used()) != 0) || csumUses[arg1] {85						w.args[arg1] = argInfo{Addr: p.Target.physicalAddr(arg) + offset}86					}87					if _, ok := arg1.(*GroupArg); ok {88						return89					}90					if _, ok := arg1.(*UnionArg); ok {91						return92					}93					if a1, ok := arg1.(*DataArg); ok && len(a1.Data) == 0 {94						return95					}96					if !IsPad(arg1.Type()) && arg1.Type().Dir() != DirOut {97						w.write(ExecInstrCopyin)98						w.write(p.Target.physicalAddr(arg) + offset)99						w.writeArg(arg1, pid, csumMap)100						instrSeq++101					}102				})103			}104		})105		// Generate checksum calculation instructions starting from the last one,106		// since checksum values can depend on values of the latter ones107		if csumMap != nil {108			var csumArgs []Arg109			for arg := range csumMap {110				csumArgs = append(csumArgs, arg)111			}112			sort.Sort(ByPhysicalAddr{Args: csumArgs, Context: w})113			for i := len(csumArgs) - 1; i >= 0; i-- {114				arg := csumArgs[i]115				if _, ok := arg.Type().(*CsumType); !ok {116					panic("csum arg is not csum type")117				}118				w.write(ExecInstrCopyin)119				w.write(w.args[arg].Addr)120				w.write(ExecArgCsum)121				w.write(arg.Size())122				switch csumMap[arg].Kind {123				case CsumInet:124					w.write(ExecArgCsumInet)125					w.write(uint64(len(csumMap[arg].Chunks)))126					for _, chunk := range csumMap[arg].Chunks {...

elf.go

Source:elf.go

...31    Type elf.ProgType32    Flags elf.ProgFlag33    Offset uint64 // File offset34    VirtualAddr uint64 // Virtual memory starting address35    PhysicalAddr uint64 // Physical address (not relevant for most systems)36    FileSize uint6437    MemSize uint6438    Align uint6439    Data []byte40}41type SectionHeader struct {}42type elfN uint6443func createBinaryWriter(w io.Writer, bo binary.ByteOrder, x32 bool) func(...interface{}) error {44    return func(data ...interface{}) error {45        for _, v := range data {46            _, isElfN := v.(elfN)47            var err error48            if isElfN {49                if x32 {50                    err = binary.Write(w, bo, uint32(v.(elfN)))51                } else {52                    err = binary.Write(w, bo, uint64(v.(elfN)))53                }54            } else {55                err = binary.Write(w, bo, v)56            }57            if err != nil {58                return err59            }60        }61        return nil62    }63}64// WriteElf writes the given ELF info to the provided writer65func (f *ELFFile) Write(w io.WriteSeeker) error {66    fh := f.FileHeader67    // Detect 32/64 bit and byteorder68    x32 := fh.Class == elf.ELFCLASS3269    var bo binary.ByteOrder70    if fh.Endianness == elf.ELFDATA2LSB {71        bo = binary.LittleEndian72    } else if fh.Endianness == elf.ELFDATA2MSB {73        bo = binary.BigEndian74    } else {75        return errors.New("Can't detect endianness")76    }77    write := createBinaryWriter(w, bo, x32)78    var ehdrSize, phdrSize, shdrSize uint1679    if x32 {80        ehdrSize = 5281        phdrSize = 3282        shdrSize = 4083    } else {84        ehdrSize = 6485        phdrSize = 5686        shdrSize = 6487    }88    // Write file header89    err := write(90        // Identifier91        [4]byte{0x7f, 'E', 'L', 'F'}, // Magic92        fh.Class,93        fh.Endianness,94        elf.EV_CURRENT,95        fh.ABI,96        fh.ABIVersion,97        [7]byte{}, // Pad out the identifier to 7 bytes98        // Write rest of file header99        fh.Type,100        fh.Arch,101        uint32(elf.EV_CURRENT),102        elfN(fh.EntryPoint),103        elfN(fh.ProgramTableOffset),104        elfN(fh.SectionTableOffset),105        uint32(0), // Flags (unused field)106        ehdrSize,107        phdrSize,108        uint16(len(f.ProgramTable)),109        shdrSize,110        uint16(len(f.SectionTable)),111        fh.Shstrndx,112    )113    if err != nil {114        return err115    }116    err = f.writeProgramTable(w, write, x32, phdrSize)117    if err != nil {118        return err119    }120    /*121    // Section Table122    for idx, section := range f.SectionTable {123        w.Seek(int64(fh.SectionTableOffset) + int64(idx)*int64(shdrSize), io.SeekStart)124        sh := section.SectionHeader125        err = write(126            uint32(idx), // Section name table index127            sh.Type,128            elfN(sh.Flags),129            elfN(sh.Addr),130            elfN(sh.Offset),131            elfN(sh.Size),132            sh.Link,133            sh.Info,134            elfN(sh.Addralign),135            elfN(sh.Entsize),136        )137        if err != nil {138            return err139        }140        _, err = w.Seek(int64(sh.Offset), io.SeekStart)141        if err != nil {142            return err143        }144        _, err = io.Copy(w, section.Open())145        if err != nil {146            return err147        }148    }*/149    return nil150}151func (f *ELFFile) writeProgramTable(w io.WriteSeeker, write func(...interface{}) error, x32 bool, phdrSize uint16) error {152    for idx, prog := range f.ProgramTable {153        // Seek to program table entry start154        _, err := w.Seek(int64(f.FileHeader.ProgramTableOffset) + int64(idx)*int64(phdrSize), io.SeekStart)155        if err != nil {156            return err157        }158        err = write(uint32(prog.Type))159        if err != nil {160            return err161        }162        // The position of the flags struct member differs between 32 and 64 bit headers163        if !x32 {164            err = write(prog.Flags)165            if err != nil {166                return err167            }168        }169        err = write(170            elfN(prog.Offset),171            elfN(prog.VirtualAddr),172            elfN(prog.PhysicalAddr),173            elfN(prog.FileSize),174            elfN(prog.MemSize),175        )176        if err != nil {177            return err178        }179        if x32 {180            err = write(prog.Flags)181            if err != nil {182                return err183            }184        }185        err = write(prog.Align)186        if err != nil {...

PhysicalAddr

Using AI Code Generation

1import (2func init() {3	runtime.LockOSThread()4}5func main() {6	if err := glfw.Init(); err != nil {7		panic(err)8	}9	defer glfw.Terminate()10	glfw.WindowHint(glfw.Resizable, glfw.False)11	glfw.WindowHint(glfw.ContextVersionMajor, 4)12	glfw.WindowHint(glfw.ContextVersionMinor, 1)13	glfw.WindowHint(glfw.OpenGLProfile, glfw.OpenGLCoreProfile)14	glfw.WindowHint(glfw.OpenGLForwardCompatible, glfw.True)15	window, err = glfw.CreateWindow(800, 600, "Testing", nil, nil)16	if err != nil {17		panic(err)18	}19	window.MakeContextCurrent()20	if err := gl.Init(); err != nil {21		panic(err)22	}23	version := gl.GoStr(gl.GetString(gl.VERSION))24	fmt.Println("OpenGL version", version)25	program, err := newProgram(vertexShader, fragmentShader)26	if err != nil {27		panic(err)28	}29	gl.UseProgram(program)30	gl.GenVertexArrays(1, &vao)31	gl.BindVertexArray(vao)32	gl.GenBuffers(1, &vbo)33	vertices := []float32{34	}35	gl.BindBuffer(gl.ARRAY_BUFFER, vbo)36	gl.BufferData(gl.ARRAY_BUFFER, len(vertices)*4, gl.Ptr(vertices), gl.STATIC_DRAW)

PhysicalAddr

Using AI Code Generation

1import (2func main() {3    s := stack.New()4    s.Push(1)5    s.Push(2)6    s.Push(3)7    fmt.Println(s)8    fmt.Println(s.Peek())9    fmt.Println(s.Pop())10    fmt.Println(s)11}12func main() {13    s := stack.New()14    s.Push(1)15    s.Push(2)16    s.Push(3)17    fmt.Println(s)18    fmt.Println(s.Peek())19    fmt.Println(s.Pop())20    fmt.Println(s)21}22func main() {23    s := stack.New()24    s.Push(1)25    s.Push(2)26    s.Push(3)27    fmt.Println(s)28    fmt.Println(s.Peek())29    fmt.Println(s.Pop())30    fmt.Println(s)31}32func main() {33    s := stack.New()34    s.Push(1)35    s.Push(2)36    s.Push(3)37    fmt.Println(s)38    fmt.Println(s.Peek())39    fmt.Println(s.Pop())40    fmt.Println(s)41}42func main() {43    s := stack.New()44    s.Push(1)45    s.Push(2)46    s.Push(3)47    fmt.Println(s)48    fmt.Println(s.Peek())49    fmt.Println(s.Pop())50    fmt.Println(s)51}52func main() {53    s := stack.New()54    s.Push(1)55    s.Push(2)56    s.Push(3)57    fmt.Println(s)58    fmt.Println(s.Peek())59    fmt.Println(s.Pop())60    fmt.Println(s)61}62func main() {

PhysicalAddr

Using AI Code Generation

1import (2func main() {3    xlsx, err := xlsx.OpenFile("test.xlsx")4    if err != nil {5        fmt.Println(err)6    }7    fmt.Println(cell.PhysicalAddr())8}

PhysicalAddr

Using AI Code Generation

1import (2func main() {3	fmt.Println("Program started")4	pc, _, _, _ := runtime.Caller(0)5	f := runtime.FuncForPC(pc)6	fmt.Println("File name: ", f.FileLine(pc))7	fmt.Println("Function name: ", f.Name())8	fmt.Println("Entry address: ", f.Entry())9	fmt.Println("Program ended")10}

PhysicalAddr

Using AI Code Generation

1import (2func main() {3ctx := duktape.New()4defer ctx.Destroy()5ctx.PevalString(`(function(){6var prog = new Program("test.exe");7print(prog.PhysicalAddr());8})()`)9}10import (11func main() {12ctx := duktape.New()13defer ctx.Destroy()14ctx.PevalString(`(function(){15var prog = new Program("test.exe");16print(prog.PhysicalAddr());17})()`)18}19import (20func main() {21ctx := duktape.New()22defer ctx.Destroy()23ctx.PevalString(`(function(){24var prog = new Program("test.exe");25print(prog.PhysicalAddr());26})()`)27}28import (29func main() {30ctx := duktape.New()31defer ctx.Destroy()32ctx.PevalString(`(function(){33var prog = new Program("test.exe");34print(prog.PhysicalAddr());35})()`)36}37import (38func main() {39ctx := duktape.New()40defer ctx.Destroy()41ctx.PevalString(`(function(){42var prog = new Program("test.exe");43print(prog.PhysicalAddr());44})()`)45}46import (47func main() {48ctx := duktape.New()49defer ctx.Destroy()50ctx.PevalString(`(function(){51var prog = new Program("test.exe");52print(prog.PhysicalAddr());53})()`)54}55import (56func main() {

PhysicalAddr

Using AI Code Generation

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

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