// https://syzkaller.appspot.com/bug?id=912f70e859dfffd2533b7cfcd2c71e0dd6f71e9d
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <arpa/inet.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <linux/if.h>
#include <linux/if_ether.h>
#include <linux/if_tun.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <net/if_arp.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/uio.h>
#include <unistd.h>

__attribute__((noreturn)) static void doexit(int status)
{
  volatile unsigned i;
  syscall(__NR_exit_group, status);
  for (i = 0;; i++) {
  }
}
#include <stdint.h>
#include <string.h>

const int kFailStatus = 67;
const int kRetryStatus = 69;

static void fail(const char* msg, ...)
{
  int e = errno;
  va_list args;
  va_start(args, msg);
  vfprintf(stderr, msg, args);
  va_end(args);
  fprintf(stderr, " (errno %d)\n", e);
  doexit((e == ENOMEM || e == EAGAIN) ? kRetryStatus : kFailStatus);
}

static void vsnprintf_check(char* str, size_t size, const char* format,
                            va_list args)
{
  int rv;

  rv = vsnprintf(str, size, format, args);
  if (rv < 0)
    fail("tun: snprintf failed");
  if ((size_t)rv >= size)
    fail("tun: string '%s...' doesn't fit into buffer", str);
}

static void snprintf_check(char* str, size_t size, const char* format, ...)
{
  va_list args;

  va_start(args, format);
  vsnprintf_check(str, size, format, args);
  va_end(args);
}

#define COMMAND_MAX_LEN 128
#define PATH_PREFIX                                                            \
  "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin "
#define PATH_PREFIX_LEN (sizeof(PATH_PREFIX) - 1)

static void execute_command(bool panic, const char* format, ...)
{
  va_list args;
  char command[PATH_PREFIX_LEN + COMMAND_MAX_LEN];
  int rv;

  va_start(args, format);
  memcpy(command, PATH_PREFIX, PATH_PREFIX_LEN);
  vsnprintf_check(command + PATH_PREFIX_LEN, COMMAND_MAX_LEN, format, args);
  rv = system(command);
  if (panic && rv != 0)
    fail("tun: command \"%s\" failed with code %d", &command[0], rv);

  va_end(args);
}

static int tunfd = -1;
static int tun_frags_enabled;

#define SYZ_TUN_MAX_PACKET_SIZE 1000

#define MAX_PIDS 32
#define ADDR_MAX_LEN 32

#define LOCAL_MAC "aa:aa:aa:aa:%02hx:aa"
#define REMOTE_MAC "aa:aa:aa:aa:%02hx:bb"

#define LOCAL_IPV4 "172.20.%d.170"
#define REMOTE_IPV4 "172.20.%d.187"

#define LOCAL_IPV6 "fe80::%02hx:aa"
#define REMOTE_IPV6 "fe80::%02hx:bb"

#define IFF_NAPI 0x0010
#define IFF_NAPI_FRAGS 0x0020

static void initialize_tun(int id)
{
  if (id >= MAX_PIDS)
    fail("tun: no more than %d executors", MAX_PIDS);

  tunfd = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
  if (tunfd == -1) {
    printf("tun: can't open /dev/net/tun: please enable CONFIG_TUN=y\n");
    printf("otherwise fuzzing or reproducing might not work as intended\n");
    return;
  }

  char iface[IFNAMSIZ];
  snprintf_check(iface, sizeof(iface), "syz%d", id);

  struct ifreq ifr;
  memset(&ifr, 0, sizeof(ifr));
  strncpy(ifr.ifr_name, iface, IFNAMSIZ);
  ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_NAPI | IFF_NAPI_FRAGS;
  if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) {
    ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
    if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0)
      fail("tun: ioctl(TUNSETIFF) failed");
  }
  if (ioctl(tunfd, TUNGETIFF, (void*)&ifr) < 0)
    fail("tun: ioctl(TUNGETIFF) failed");
  tun_frags_enabled = (ifr.ifr_flags & IFF_NAPI_FRAGS) != 0;

  char local_mac[ADDR_MAX_LEN];
  snprintf_check(local_mac, sizeof(local_mac), LOCAL_MAC, id);
  char remote_mac[ADDR_MAX_LEN];
  snprintf_check(remote_mac, sizeof(remote_mac), REMOTE_MAC, id);

  char local_ipv4[ADDR_MAX_LEN];
  snprintf_check(local_ipv4, sizeof(local_ipv4), LOCAL_IPV4, id);
  char remote_ipv4[ADDR_MAX_LEN];
  snprintf_check(remote_ipv4, sizeof(remote_ipv4), REMOTE_IPV4, id);

  char local_ipv6[ADDR_MAX_LEN];
  snprintf_check(local_ipv6, sizeof(local_ipv6), LOCAL_IPV6, id);
  char remote_ipv6[ADDR_MAX_LEN];
  snprintf_check(remote_ipv6, sizeof(remote_ipv6), REMOTE_IPV6, id);

  execute_command(1, "sysctl -w net.ipv6.conf.%s.accept_dad=0", iface);

  execute_command(1, "sysctl -w net.ipv6.conf.%s.router_solicitations=0",
                  iface);

  execute_command(1, "ip link set dev %s address %s", iface, local_mac);
  execute_command(1, "ip addr add %s/24 dev %s", local_ipv4, iface);
  execute_command(1, "ip -6 addr add %s/120 dev %s", local_ipv6, iface);
  execute_command(1, "ip neigh add %s lladdr %s dev %s nud permanent",
                  remote_ipv4, remote_mac, iface);
  execute_command(1, "ip -6 neigh add %s lladdr %s dev %s nud permanent",
                  remote_ipv6, remote_mac, iface);
  execute_command(1, "ip link set dev %s up", iface);
}

#define DEV_IPV4 "172.20.%d.%d"
#define DEV_IPV6 "fe80::%02hx:%02hx"
#define DEV_MAC "aa:aa:aa:aa:%02hx:%02hx"

static void initialize_netdevices(int id)
{
  unsigned i;
  const char* devtypes[] = {"ip6gretap", "bridge", "vcan"};
  const char* devnames[] = {"lo",       "sit0",    "bridge0", "vcan0",
                            "tunl0",    "gre0",    "gretap0", "ip_vti0",
                            "ip6_vti0", "ip6tnl0", "ip6gre0", "ip6gretap0",
                            "erspan0"};

  for (i = 0; i < sizeof(devtypes) / (sizeof(devtypes[0])); i++)
    execute_command(0, "ip link add dev %s0 type %s", devtypes[i], devtypes[i]);
  for (i = 0; i < sizeof(devnames) / (sizeof(devnames[0])); i++) {
    char addr[ADDR_MAX_LEN];
    snprintf_check(addr, sizeof(addr), DEV_IPV4, id, id + 10);
    execute_command(0, "ip -4 addr add %s/24 dev %s", addr, devnames[i]);
    snprintf_check(addr, sizeof(addr), DEV_IPV6, id, id + 10);
    execute_command(0, "ip -6 addr add %s/120 dev %s", addr, devnames[i]);
    snprintf_check(addr, sizeof(addr), DEV_MAC, id, id + 10);
    execute_command(0, "ip link set dev %s address %s", devnames[i], addr);
    execute_command(0, "ip link set dev %s up", devnames[i]);
  }
}

static void setup_tun(uint64_t pid, bool enable_tun)
{
  if (enable_tun) {
    initialize_tun(pid);
    initialize_netdevices(pid);
  }
}

long r[2];
void loop()
{
  memset(r, -1, sizeof(r));
  syscall(__NR_mmap, 0x20000000, 0xea1000, 3, 0x32, -1, 0);
  r[0] = syscall(__NR_socket, 2, 2, 0);
  *(uint32_t*)0x20004000 = 0x90;
  syscall(__NR_getsockopt, r[0], 0, 0x30, 0x20008000, 0x20004000);
  r[1] = syscall(__NR_socket, 2, 0x80003, 7);
  memcpy((void*)0x2000dcf0, "\x66\x69\x6c\x74\x65\x72\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00\x00\x00\x00",
         32);
  *(uint32_t*)0x2000dd10 = 0xe;
  *(uint32_t*)0x2000dd14 = 4;
  *(uint32_t*)0x2000dd18 = 0x280;
  *(uint32_t*)0x2000dd1c = -1;
  *(uint32_t*)0x2000dd20 = 0;
  *(uint32_t*)0x2000dd24 = 0;
  *(uint32_t*)0x2000dd28 = 0;
  *(uint32_t*)0x2000dd2c = -1;
  *(uint32_t*)0x2000dd30 = -1;
  *(uint32_t*)0x2000dd34 = 0;
  *(uint32_t*)0x2000dd38 = 0;
  *(uint32_t*)0x2000dd3c = 0;
  *(uint32_t*)0x2000dd40 = -1;
  *(uint32_t*)0x2000dd44 = 4;
  *(uint64_t*)0x2000dd48 = 0x20008fc0;
  *(uint8_t*)0x2000dd50 = 0;
  *(uint8_t*)0x2000dd51 = 0;
  *(uint8_t*)0x2000dd52 = 0;
  *(uint8_t*)0x2000dd53 = 0;
  *(uint8_t*)0x2000dd54 = 0;
  *(uint8_t*)0x2000dd55 = 0;
  *(uint8_t*)0x2000dd56 = 0;
  *(uint8_t*)0x2000dd57 = 0;
  *(uint8_t*)0x2000dd58 = 0;
  *(uint8_t*)0x2000dd59 = 0;
  *(uint8_t*)0x2000dd5a = 0;
  *(uint8_t*)0x2000dd5b = 0;
  *(uint8_t*)0x2000dd5c = 0;
  *(uint8_t*)0x2000dd5d = 0;
  *(uint8_t*)0x2000dd5e = 0;
  *(uint8_t*)0x2000dd5f = 0;
  *(uint8_t*)0x2000dd60 = 0;
  *(uint8_t*)0x2000dd61 = 0;
  *(uint8_t*)0x2000dd62 = 0;
  *(uint8_t*)0x2000dd63 = 0;
  *(uint8_t*)0x2000dd64 = 0;
  *(uint8_t*)0x2000dd65 = 0;
  *(uint8_t*)0x2000dd66 = 0;
  *(uint8_t*)0x2000dd67 = 0;
  *(uint8_t*)0x2000dd68 = 0;
  *(uint8_t*)0x2000dd69 = 0;
  *(uint8_t*)0x2000dd6a = 0;
  *(uint8_t*)0x2000dd6b = 0;
  *(uint8_t*)0x2000dd6c = 0;
  *(uint8_t*)0x2000dd6d = 0;
  *(uint8_t*)0x2000dd6e = 0;
  *(uint8_t*)0x2000dd6f = 0;
  *(uint8_t*)0x2000dd70 = 0;
  *(uint8_t*)0x2000dd71 = 0;
  *(uint8_t*)0x2000dd72 = 0;
  *(uint8_t*)0x2000dd73 = 0;
  *(uint8_t*)0x2000dd74 = 0;
  *(uint8_t*)0x2000dd75 = 0;
  *(uint8_t*)0x2000dd76 = 0;
  *(uint8_t*)0x2000dd77 = 0;
  *(uint8_t*)0x2000dd78 = 0;
  *(uint8_t*)0x2000dd79 = 0;
  *(uint8_t*)0x2000dd7a = 0;
  *(uint8_t*)0x2000dd7b = 0;
  *(uint8_t*)0x2000dd7c = 0;
  *(uint8_t*)0x2000dd7d = 0;
  *(uint8_t*)0x2000dd7e = 0;
  *(uint8_t*)0x2000dd7f = 0;
  *(uint8_t*)0x2000dd80 = 0;
  *(uint8_t*)0x2000dd81 = 0;
  *(uint8_t*)0x2000dd82 = 0;
  *(uint8_t*)0x2000dd83 = 0;
  *(uint8_t*)0x2000dd84 = 0;
  *(uint8_t*)0x2000dd85 = 0;
  *(uint8_t*)0x2000dd86 = 0;
  *(uint8_t*)0x2000dd87 = 0;
  *(uint8_t*)0x2000dd88 = 0;
  *(uint8_t*)0x2000dd89 = 0;
  *(uint8_t*)0x2000dd8a = 0;
  *(uint8_t*)0x2000dd8b = 0;
  *(uint8_t*)0x2000dd8c = 0;
  *(uint8_t*)0x2000dd8d = 0;
  *(uint8_t*)0x2000dd8e = 0;
  *(uint8_t*)0x2000dd8f = 0;
  *(uint8_t*)0x2000dd90 = 0;
  *(uint8_t*)0x2000dd91 = 0;
  *(uint8_t*)0x2000dd92 = 0;
  *(uint8_t*)0x2000dd93 = 0;
  *(uint8_t*)0x2000dd94 = 0;
  *(uint8_t*)0x2000dd95 = 0;
  *(uint8_t*)0x2000dd96 = 0;
  *(uint8_t*)0x2000dd97 = 0;
  *(uint8_t*)0x2000dd98 = 0;
  *(uint8_t*)0x2000dd99 = 0;
  *(uint8_t*)0x2000dd9a = 0;
  *(uint8_t*)0x2000dd9b = 0;
  *(uint8_t*)0x2000dd9c = 0;
  *(uint8_t*)0x2000dd9d = 0;
  *(uint8_t*)0x2000dd9e = 0;
  *(uint8_t*)0x2000dd9f = 0;
  *(uint8_t*)0x2000dda0 = 0;
  *(uint8_t*)0x2000dda1 = 0;
  *(uint8_t*)0x2000dda2 = 0;
  *(uint8_t*)0x2000dda3 = 0;
  *(uint32_t*)0x2000dda4 = 0;
  *(uint16_t*)0x2000dda8 = 0x70;
  *(uint16_t*)0x2000ddaa = 0x98;
  *(uint32_t*)0x2000ddac = 0;
  *(uint64_t*)0x2000ddb0 = 0;
  *(uint64_t*)0x2000ddb8 = 0;
  *(uint16_t*)0x2000ddc0 = 0x28;
  memcpy((void*)0x2000ddc2, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00",
         29);
  *(uint8_t*)0x2000dddf = 0;
  *(uint32_t*)0x2000dde0 = 0xfffffffe;
  *(uint8_t*)0x2000dde8 = 0;
  *(uint8_t*)0x2000dde9 = 0;
  *(uint8_t*)0x2000ddea = 0;
  *(uint8_t*)0x2000ddeb = 0;
  *(uint8_t*)0x2000ddec = 0;
  *(uint8_t*)0x2000dded = 0;
  *(uint8_t*)0x2000ddee = 0;
  *(uint8_t*)0x2000ddef = 0;
  *(uint8_t*)0x2000ddf0 = 0;
  *(uint8_t*)0x2000ddf1 = 0;
  *(uint8_t*)0x2000ddf2 = 0;
  *(uint8_t*)0x2000ddf3 = 0;
  *(uint8_t*)0x2000ddf4 = 0;
  *(uint8_t*)0x2000ddf5 = 0;
  *(uint8_t*)0x2000ddf6 = 0;
  *(uint8_t*)0x2000ddf7 = 0;
  *(uint8_t*)0x2000ddf8 = 0;
  *(uint8_t*)0x2000ddf9 = 0;
  *(uint8_t*)0x2000ddfa = 0;
  *(uint8_t*)0x2000ddfb = 0;
  *(uint8_t*)0x2000ddfc = 0;
  *(uint8_t*)0x2000ddfd = 0;
  *(uint8_t*)0x2000ddfe = 0;
  *(uint8_t*)0x2000ddff = 0;
  *(uint8_t*)0x2000de00 = 0;
  *(uint8_t*)0x2000de01 = 0;
  *(uint8_t*)0x2000de02 = 0;
  *(uint8_t*)0x2000de03 = 0;
  *(uint8_t*)0x2000de04 = 0;
  *(uint8_t*)0x2000de05 = 0;
  *(uint8_t*)0x2000de06 = 0;
  *(uint8_t*)0x2000de07 = 0;
  *(uint8_t*)0x2000de08 = 0;
  *(uint8_t*)0x2000de09 = 0;
  *(uint8_t*)0x2000de0a = 0;
  *(uint8_t*)0x2000de0b = 0;
  *(uint8_t*)0x2000de0c = 0;
  *(uint8_t*)0x2000de0d = 0;
  *(uint8_t*)0x2000de0e = 0;
  *(uint8_t*)0x2000de0f = 0;
  *(uint8_t*)0x2000de10 = 0;
  *(uint8_t*)0x2000de11 = 0;
  *(uint8_t*)0x2000de12 = 0;
  *(uint8_t*)0x2000de13 = 0;
  *(uint8_t*)0x2000de14 = 0;
  *(uint8_t*)0x2000de15 = 0;
  *(uint8_t*)0x2000de16 = 0;
  *(uint8_t*)0x2000de17 = 0;
  *(uint8_t*)0x2000de18 = 0;
  *(uint8_t*)0x2000de19 = 0;
  *(uint8_t*)0x2000de1a = 0;
  *(uint8_t*)0x2000de1b = 0;
  *(uint8_t*)0x2000de1c = 0;
  *(uint8_t*)0x2000de1d = 0;
  *(uint8_t*)0x2000de1e = 0;
  *(uint8_t*)0x2000de1f = 0;
  *(uint8_t*)0x2000de20 = 0;
  *(uint8_t*)0x2000de21 = 0;
  *(uint8_t*)0x2000de22 = 0;
  *(uint8_t*)0x2000de23 = 0;
  *(uint8_t*)0x2000de24 = 0;
  *(uint8_t*)0x2000de25 = 0;
  *(uint8_t*)0x2000de26 = 0;
  *(uint8_t*)0x2000de27 = 0;
  *(uint8_t*)0x2000de28 = 0;
  *(uint8_t*)0x2000de29 = 0;
  *(uint8_t*)0x2000de2a = 0;
  *(uint8_t*)0x2000de2b = 0;
  *(uint8_t*)0x2000de2c = 0;
  *(uint8_t*)0x2000de2d = 0;
  *(uint8_t*)0x2000de2e = 0;
  *(uint8_t*)0x2000de2f = 0;
  *(uint8_t*)0x2000de30 = 0;
  *(uint8_t*)0x2000de31 = 0;
  *(uint8_t*)0x2000de32 = 0;
  *(uint8_t*)0x2000de33 = 0;
  *(uint8_t*)0x2000de34 = 0;
  *(uint8_t*)0x2000de35 = 0;
  *(uint8_t*)0x2000de36 = 0;
  *(uint8_t*)0x2000de37 = 0;
  *(uint8_t*)0x2000de38 = 0;
  *(uint8_t*)0x2000de39 = 0;
  *(uint8_t*)0x2000de3a = 0;
  *(uint8_t*)0x2000de3b = 0;
  *(uint32_t*)0x2000de3c = 0;
  *(uint16_t*)0x2000de40 = 0x70;
  *(uint16_t*)0x2000de42 = 0xb8;
  *(uint32_t*)0x2000de44 = 0;
  *(uint64_t*)0x2000de48 = 0;
  *(uint64_t*)0x2000de50 = 0;
  *(uint16_t*)0x2000de58 = 0x48;
  memcpy((void*)0x2000de5a, "\x54\x45\x45\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00",
         29);
  *(uint8_t*)0x2000de77 = 1;
  *(uint8_t*)0x2000de78 = 0xfe;
  *(uint8_t*)0x2000de79 = 0x80;
  *(uint8_t*)0x2000de7a = 0;
  *(uint8_t*)0x2000de7b = 0;
  *(uint8_t*)0x2000de7c = 0;
  *(uint8_t*)0x2000de7d = 0;
  *(uint8_t*)0x2000de7e = 0;
  *(uint8_t*)0x2000de7f = 0;
  *(uint8_t*)0x2000de80 = 0;
  *(uint8_t*)0x2000de81 = 0;
  *(uint8_t*)0x2000de82 = 0;
  *(uint8_t*)0x2000de83 = 0;
  *(uint8_t*)0x2000de84 = 0;
  *(uint8_t*)0x2000de85 = 0;
  *(uint8_t*)0x2000de86 = 0;
  *(uint8_t*)0x2000de87 = 0xaa;
  memcpy((void*)0x2000de88,
         "\x72\x6f\x73\x65\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         16);
  *(uint64_t*)0x2000de98 = 0;
  *(uint8_t*)0x2000dea0 = 0xac;
  *(uint8_t*)0x2000dea1 = 0x14;
  *(uint8_t*)0x2000dea2 = 0;
  *(uint8_t*)0x2000dea3 = 0xbb;
  *(uint8_t*)0x2000dea4 = 0xac;
  *(uint8_t*)0x2000dea5 = 0x14;
  *(uint8_t*)0x2000dea6 = 0;
  *(uint8_t*)0x2000dea7 = 0xbb;
  *(uint32_t*)0x2000dea8 = htobe32(0);
  *(uint32_t*)0x2000deac = htobe32(0);
  memcpy((void*)0x2000deb0,
         "\x65\x71\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         16);
  *(uint8_t*)0x2000dec0 = 0x73;
  *(uint8_t*)0x2000dec1 = 0x79;
  *(uint8_t*)0x2000dec2 = 0x7a;
  *(uint8_t*)0x2000dec3 = 0;
  *(uint8_t*)0x2000dec4 = 0;
  *(uint8_t*)0x2000ded0 = 0;
  *(uint8_t*)0x2000ded1 = 0;
  *(uint8_t*)0x2000ded2 = 0;
  *(uint8_t*)0x2000ded3 = 0;
  *(uint8_t*)0x2000ded4 = 0;
  *(uint8_t*)0x2000ded5 = 0;
  *(uint8_t*)0x2000ded6 = 0;
  *(uint8_t*)0x2000ded7 = 0;
  *(uint8_t*)0x2000ded8 = 0;
  *(uint8_t*)0x2000ded9 = 0;
  *(uint8_t*)0x2000deda = 0;
  *(uint8_t*)0x2000dedb = 0;
  *(uint8_t*)0x2000dedc = 0;
  *(uint8_t*)0x2000dedd = 0;
  *(uint8_t*)0x2000dede = 0;
  *(uint8_t*)0x2000dedf = 0;
  *(uint8_t*)0x2000dee0 = 0;
  *(uint8_t*)0x2000dee1 = 0;
  *(uint8_t*)0x2000dee2 = 0;
  *(uint8_t*)0x2000dee3 = 0;
  *(uint8_t*)0x2000dee4 = 0;
  *(uint8_t*)0x2000dee5 = 0;
  *(uint8_t*)0x2000dee6 = 0;
  *(uint8_t*)0x2000dee7 = 0;
  *(uint8_t*)0x2000dee8 = 0;
  *(uint8_t*)0x2000dee9 = 0;
  *(uint8_t*)0x2000deea = 0;
  *(uint8_t*)0x2000deeb = 0;
  *(uint8_t*)0x2000deec = 0;
  *(uint8_t*)0x2000deed = 0;
  *(uint8_t*)0x2000deee = 0;
  *(uint8_t*)0x2000deef = 0;
  *(uint16_t*)0x2000def0 = 0;
  *(uint8_t*)0x2000def2 = 0;
  *(uint8_t*)0x2000def3 = 0;
  *(uint32_t*)0x2000def4 = 0;
  *(uint16_t*)0x2000def8 = 0x70;
  *(uint16_t*)0x2000defa = 0x98;
  *(uint32_t*)0x2000defc = 0;
  *(uint64_t*)0x2000df00 = 0;
  *(uint64_t*)0x2000df08 = 0;
  *(uint16_t*)0x2000df10 = 0x28;
  memcpy((void*)0x2000df12, "\x52\x45\x4a\x45\x43\x54\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00",
         29);
  *(uint8_t*)0x2000df2f = 0;
  *(uint32_t*)0x2000df30 = 0;
  *(uint8_t*)0x2000df38 = 0;
  *(uint8_t*)0x2000df39 = 0;
  *(uint8_t*)0x2000df3a = 0;
  *(uint8_t*)0x2000df3b = 0;
  *(uint8_t*)0x2000df3c = 0;
  *(uint8_t*)0x2000df3d = 0;
  *(uint8_t*)0x2000df3e = 0;
  *(uint8_t*)0x2000df3f = 0;
  *(uint8_t*)0x2000df40 = 0;
  *(uint8_t*)0x2000df41 = 0;
  *(uint8_t*)0x2000df42 = 0;
  *(uint8_t*)0x2000df43 = 0;
  *(uint8_t*)0x2000df44 = 0;
  *(uint8_t*)0x2000df45 = 0;
  *(uint8_t*)0x2000df46 = 0;
  *(uint8_t*)0x2000df47 = 0;
  *(uint8_t*)0x2000df48 = 0;
  *(uint8_t*)0x2000df49 = 0;
  *(uint8_t*)0x2000df4a = 0;
  *(uint8_t*)0x2000df4b = 0;
  *(uint8_t*)0x2000df4c = 0;
  *(uint8_t*)0x2000df4d = 0;
  *(uint8_t*)0x2000df4e = 0;
  *(uint8_t*)0x2000df4f = 0;
  *(uint8_t*)0x2000df50 = 0;
  *(uint8_t*)0x2000df51 = 0;
  *(uint8_t*)0x2000df52 = 0;
  *(uint8_t*)0x2000df53 = 0;
  *(uint8_t*)0x2000df54 = 0;
  *(uint8_t*)0x2000df55 = 0;
  *(uint8_t*)0x2000df56 = 0;
  *(uint8_t*)0x2000df57 = 0;
  *(uint8_t*)0x2000df58 = 0;
  *(uint8_t*)0x2000df59 = 0;
  *(uint8_t*)0x2000df5a = 0;
  *(uint8_t*)0x2000df5b = 0;
  *(uint8_t*)0x2000df5c = 0;
  *(uint8_t*)0x2000df5d = 0;
  *(uint8_t*)0x2000df5e = 0;
  *(uint8_t*)0x2000df5f = 0;
  *(uint8_t*)0x2000df60 = 0;
  *(uint8_t*)0x2000df61 = 0;
  *(uint8_t*)0x2000df62 = 0;
  *(uint8_t*)0x2000df63 = 0;
  *(uint8_t*)0x2000df64 = 0;
  *(uint8_t*)0x2000df65 = 0;
  *(uint8_t*)0x2000df66 = 0;
  *(uint8_t*)0x2000df67 = 0;
  *(uint8_t*)0x2000df68 = 0;
  *(uint8_t*)0x2000df69 = 0;
  *(uint8_t*)0x2000df6a = 0;
  *(uint8_t*)0x2000df6b = 0;
  *(uint8_t*)0x2000df6c = 0;
  *(uint8_t*)0x2000df6d = 0;
  *(uint8_t*)0x2000df6e = 0;
  *(uint8_t*)0x2000df6f = 0;
  *(uint8_t*)0x2000df70 = 0;
  *(uint8_t*)0x2000df71 = 0;
  *(uint8_t*)0x2000df72 = 0;
  *(uint8_t*)0x2000df73 = 0;
  *(uint8_t*)0x2000df74 = 0;
  *(uint8_t*)0x2000df75 = 0;
  *(uint8_t*)0x2000df76 = 0;
  *(uint8_t*)0x2000df77 = 0;
  *(uint8_t*)0x2000df78 = 0;
  *(uint8_t*)0x2000df79 = 0;
  *(uint8_t*)0x2000df7a = 0;
  *(uint8_t*)0x2000df7b = 0;
  *(uint8_t*)0x2000df7c = 0;
  *(uint8_t*)0x2000df7d = 0;
  *(uint8_t*)0x2000df7e = 0;
  *(uint8_t*)0x2000df7f = 0;
  *(uint8_t*)0x2000df80 = 0;
  *(uint8_t*)0x2000df81 = 0;
  *(uint8_t*)0x2000df82 = 0;
  *(uint8_t*)0x2000df83 = 0;
  *(uint8_t*)0x2000df84 = 0;
  *(uint8_t*)0x2000df85 = 0;
  *(uint8_t*)0x2000df86 = 0;
  *(uint8_t*)0x2000df87 = 0;
  *(uint8_t*)0x2000df88 = 0;
  *(uint8_t*)0x2000df89 = 0;
  *(uint8_t*)0x2000df8a = 0;
  *(uint8_t*)0x2000df8b = 0;
  *(uint32_t*)0x2000df8c = 0;
  *(uint16_t*)0x2000df90 = 0x70;
  *(uint16_t*)0x2000df92 = 0x98;
  *(uint32_t*)0x2000df94 = 0;
  *(uint64_t*)0x2000df98 = 0;
  *(uint64_t*)0x2000dfa0 = 0;
  *(uint16_t*)0x2000dfa8 = 0x28;
  memcpy((void*)0x2000dfaa, "\x52\x45\x4a\x45\x43\x54\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00",
         29);
  *(uint8_t*)0x2000dfc7 = 0;
  *(uint32_t*)0x2000dfc8 = 0;
  *(uint64_t*)0x20008fc0 = 0;
  *(uint64_t*)0x20008fc8 = 0;
  *(uint64_t*)0x20008fd0 = 0;
  *(uint64_t*)0x20008fd8 = 0;
  *(uint64_t*)0x20008fe0 = 0;
  *(uint64_t*)0x20008fe8 = 0;
  *(uint64_t*)0x20008ff0 = 0;
  *(uint64_t*)0x20008ff8 = 0;
  syscall(__NR_setsockopt, r[1], 0, 0x40, 0x2000dcf0, 0x2e0);
}

int main()
{
  setup_tun(0, true);
  loop();
  return 0;
}