[Syzkaller IV]syz-sysgen

syz-sysgen

解码器

package main

import (
    "bytes"
    "compress/flate"
    "encoding/gob"
    "fmt"
    "io/ioutil"

    "github.com/google/syzkaller/sys/generated"
)

func main() {
    // if len(os.Args) < 2 {
    //  fmt.Println("Usage: go run inspect_gob.go <path_to_gob_flate_file>")
    //  return
    // }
    filename := "/usr/src/syzkaller/sys/gen/linux_amd64.gob.flate"
    // filename := os.Args[1]
    data, err := ioutil.ReadFile(filename)
    if err != nil {
        panic(err)
    }

    // 1. 解压缩 (flate)
    // 2. 解码 (gob)
    desc := new(generated.Desc)
    if err := gob.NewDecoder(flate.NewReader(bytes.NewReader(data))).Decode(desc); err != nil {
        panic(err)
    }

    // 3. 打印内容
    fmt.Printf("Loaded %d syscalls\n", len(desc.Syscalls))
    for _, call := range desc.Syscalls {
        fmt.Printf("Syscall: %s (ID: %d)\n", call.Name, call.ID)
        for _, arg := range call.Args {
            fmt.Printf("  Arg: %s (Type: %T)\n", arg.Name, arg.Type)
        }
    }
}