// 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 <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/net.h>
#include <linux/tcp.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <signal.h>
#include <stdarg.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/prctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <time.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);
}

#define BITMASK_LEN(type, bf_len) (type)((1ull << (bf_len)) - 1)

#define BITMASK_LEN_OFF(type, bf_off, bf_len)                                  \
  (type)(BITMASK_LEN(type, (bf_len)) << (bf_off))

#define STORE_BY_BITMASK(type, addr, val, bf_off, bf_len)                      \
  if ((bf_off) == 0 && (bf_len) == 0) {                                        \
    *(type*)(addr) = (type)(val);                                              \
  } else {                                                                     \
    type new_val = *(type*)(addr);                                             \
    new_val &= ~BITMASK_LEN_OFF(type, (bf_off), (bf_len));                     \
    new_val |= ((type)(val)&BITMASK_LEN(type, (bf_len))) << (bf_off);          \
    *(type*)(addr) = new_val;                                                  \
  }

struct csum_inet {
  uint32_t acc;
};

static void csum_inet_init(struct csum_inet* csum)
{
  csum->acc = 0;
}

static void csum_inet_update(struct csum_inet* csum, const uint8_t* data,
                             size_t length)
{
  if (length == 0)
    return;

  size_t i;
  for (i = 0; i < length - 1; i += 2)
    csum->acc += *(uint16_t*)&data[i];

  if (length & 1)
    csum->acc += (uint16_t)data[length - 1];

  while (csum->acc > 0xffff)
    csum->acc = (csum->acc & 0xffff) + (csum->acc >> 16);
}

static uint16_t csum_inet_digest(struct csum_inet* csum)
{
  return ~csum->acc;
}

static uint64_t current_time_ms()
{
  struct timespec ts;

  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    fail("clock_gettime failed");
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

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);
  }
}

static int read_tun(char* data, int size)
{
  if (tunfd < 0)
    return -1;

  int rv = read(tunfd, data, size);
  if (rv < 0) {
    if (errno == EAGAIN)
      return -1;
    if (errno == EBADFD)
      return -1;
    fail("tun: read failed with %d", rv);
  }
  return rv;
}

#define MAX_FRAGS 4
struct vnet_fragmentation {
  uint32_t full;
  uint32_t count;
  uint32_t frags[MAX_FRAGS];
};

static uintptr_t syz_emit_ethernet(uintptr_t a0, uintptr_t a1, uintptr_t a2)
{
  if (tunfd < 0)
    return (uintptr_t)-1;

  uint32_t length = a0;
  char* data = (char*)a1;

  struct vnet_fragmentation* frags = (struct vnet_fragmentation*)a2;
  struct iovec vecs[MAX_FRAGS + 1];
  uint32_t nfrags = 0;
  if (!tun_frags_enabled || frags == NULL) {
    vecs[nfrags].iov_base = data;
    vecs[nfrags].iov_len = length;
    nfrags++;
  } else {
    bool full = true;
    uint32_t i, count = 0;
    full = frags->full;
    count = frags->count;
    if (count > MAX_FRAGS)
      count = MAX_FRAGS;
    for (i = 0; i < count && length != 0; i++) {
      uint32_t size = 0;
      size = frags->frags[i];
      if (size > length)
        size = length;
      vecs[nfrags].iov_base = data;
      vecs[nfrags].iov_len = size;
      nfrags++;
      data += size;
      length -= size;
    }
    if (length != 0 && (full || nfrags == 0)) {
      vecs[nfrags].iov_base = data;
      vecs[nfrags].iov_len = length;
      nfrags++;
    }
  }
  return writev(tunfd, vecs, nfrags);
}

static void flush_tun()
{
  char data[SYZ_TUN_MAX_PACKET_SIZE];
  while (read_tun(&data[0], sizeof(data)) != -1)
    ;
}

struct ipt_getinfo {
  char name[32];
  unsigned int valid_hooks;
  unsigned int hook_entry[5];
  unsigned int underflow[5];
  unsigned int num_entries;
  unsigned int size;
};

struct ipt_get_entries {
  char name[32];
  unsigned int size;
  void* entrytable[1024 / sizeof(void*)];
};

struct xt_counters {
  uint64_t pcnt, bcnt;
};

struct ipt_replace {
  char name[32];
  unsigned int valid_hooks;
  unsigned int num_entries;
  unsigned int size;
  unsigned int hook_entry[5];
  unsigned int underflow[5];
  unsigned int num_counters;
  struct xt_counters* counters;
  char entrytable[1024];
};

struct ipt_table_desc {
  const char* name;
  struct ipt_getinfo info;
  struct ipt_get_entries entries;
  struct ipt_replace replace;
  struct xt_counters counters[10];
};

static struct ipt_table_desc ipv4_tables[] = {
    {.name = "filter"}, {.name = "nat"},      {.name = "mangle"},
    {.name = "raw"},    {.name = "security"},
};

#define IPT_BASE_CTL 64
#define IPT_SO_SET_REPLACE (IPT_BASE_CTL)
#define IPT_SO_GET_INFO (IPT_BASE_CTL)
#define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1)

static void checkpoint_net_namespace(void)
{
  socklen_t optlen;
  unsigned i;
  int fd;

  fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
  if (fd == -1)
    fail("socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)");
  for (i = 0; i < sizeof(ipv4_tables) / sizeof(ipv4_tables[0]); i++) {
    struct ipt_table_desc* table = &ipv4_tables[i];
    strcpy(table->info.name, table->name);
    strcpy(table->entries.name, table->name);
    strcpy(table->replace.name, table->name);
    optlen = sizeof(table->info);
    if (getsockopt(fd, SOL_IP, IPT_SO_GET_INFO, &table->info, &optlen)) {
      switch (errno) {
      case EPERM:
      case ENOENT:
      case ENOPROTOOPT:
        continue;
      }
      fail("getsockopt(IPT_SO_GET_INFO)");
    }
    if (table->info.size > sizeof(table->entries.entrytable))
      fail("table size is too large: %u", table->info.size);
    if (table->info.num_entries >
        sizeof(table->counters) / sizeof(table->counters[0]))
      fail("too many counters: %u", table->info.num_entries);
    table->entries.size = table->info.size;
    optlen = sizeof(table->entries) - sizeof(table->entries.entrytable) +
             table->info.size;
    if (getsockopt(fd, SOL_IP, IPT_SO_GET_ENTRIES, &table->entries, &optlen))
      fail("getsockopt(IPT_SO_GET_ENTRIES)");
    table->replace.valid_hooks = table->info.valid_hooks;
    table->replace.num_entries = table->info.num_entries;
    table->replace.counters = table->counters;
    table->replace.size = table->info.size;
    memcpy(table->replace.hook_entry, table->info.hook_entry,
           sizeof(table->replace.hook_entry));
    memcpy(table->replace.underflow, table->info.underflow,
           sizeof(table->replace.underflow));
    memcpy(table->replace.entrytable, table->entries.entrytable,
           table->info.size);
  }
  close(fd);
}

static void reset_net_namespace(void)
{
  struct ipt_get_entries entries;
  struct ipt_getinfo info;
  socklen_t optlen;
  unsigned i;
  int fd;

  memset(&info, 0, sizeof(info));
  memset(&entries, 0, sizeof(entries));
  fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
  if (fd == -1)
    fail("socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)");
  for (i = 0; i < sizeof(ipv4_tables) / sizeof(ipv4_tables[0]); i++) {
    struct ipt_table_desc* table = &ipv4_tables[i];
    if (table->info.valid_hooks == 0)
      continue;
    strcpy(info.name, table->name);
    optlen = sizeof(info);
    if (getsockopt(fd, SOL_IP, IPT_SO_GET_INFO, &info, &optlen))
      fail("getsockopt(IPT_SO_GET_INFO)");
    if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
      strcpy(entries.name, table->name);
      entries.size = table->info.size;
      optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
      if (getsockopt(fd, SOL_IP, IPT_SO_GET_ENTRIES, &entries, &optlen))
        fail("getsockopt(IPT_SO_GET_ENTRIES)");
      if (memcmp(&table->entries, &entries, optlen) == 0)
        continue;
    }
    table->replace.num_counters = info.num_entries;
    optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
             table->replace.size;
    if (setsockopt(fd, SOL_IP, IPT_SO_SET_REPLACE, &table->replace, optlen))
      fail("setsockopt(IPT_SO_SET_REPLACE)");
  }
  close(fd);
}

static void test();

void loop()
{
  int iter;
  checkpoint_net_namespace();
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      fail("loop fork failed");
    if (pid == 0) {
      prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
      setpgrp();
      flush_tun();
      test();
      doexit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      int res = waitpid(-1, &status, __WALL | WNOHANG);
      if (res == pid)
        break;
      usleep(1000);
      if (current_time_ms() - start > 5 * 1000) {
        kill(-pid, SIGKILL);
        kill(pid, SIGKILL);
        while (waitpid(-1, &status, __WALL) != pid) {
        }
        break;
      }
    }
    reset_net_namespace();
  }
}

long r[3];
void test()
{
  memset(r, -1, sizeof(r));
  syscall(__NR_mmap, 0x20000000, 0xfff000, 3, 0x32, -1, 0);
  r[0] = syscall(__NR_socket, 0xa, 5, 0);
  memcpy((void*)0x20006000, "\x72\x61\x77\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",
         32);
  *(uint32_t*)0x20006020 = 9;
  *(uint32_t*)0x20006024 = 4;
  *(uint32_t*)0x20006028 = 0x358;
  *(uint32_t*)0x2000602c = 0;
  *(uint32_t*)0x20006030 = -1;
  *(uint32_t*)0x20006034 = -1;
  *(uint32_t*)0x20006038 = 0;
  *(uint32_t*)0x2000603c = -1;
  *(uint32_t*)0x20006040 = 0;
  *(uint32_t*)0x20006044 = -1;
  *(uint32_t*)0x20006048 = -1;
  *(uint32_t*)0x2000604c = 0;
  *(uint32_t*)0x20006050 = -1;
  *(uint32_t*)0x20006054 = 4;
  *(uint64_t*)0x20006058 = 0x20004000;
  *(uint8_t*)0x20006060 = 0;
  *(uint8_t*)0x20006061 = 0;
  *(uint8_t*)0x20006062 = 0;
  *(uint8_t*)0x20006063 = 0;
  *(uint8_t*)0x20006064 = 0;
  *(uint8_t*)0x20006065 = 0;
  *(uint8_t*)0x20006066 = 0;
  *(uint8_t*)0x20006067 = 0;
  *(uint8_t*)0x20006068 = 0;
  *(uint8_t*)0x20006069 = 0;
  *(uint8_t*)0x2000606a = 0;
  *(uint8_t*)0x2000606b = 0;
  *(uint8_t*)0x2000606c = 0;
  *(uint8_t*)0x2000606d = 0;
  *(uint8_t*)0x2000606e = 0;
  *(uint8_t*)0x2000606f = 0;
  *(uint8_t*)0x20006070 = 0;
  *(uint8_t*)0x20006071 = 0;
  *(uint8_t*)0x20006072 = 0;
  *(uint8_t*)0x20006073 = 0;
  *(uint8_t*)0x20006074 = 0;
  *(uint8_t*)0x20006075 = 0;
  *(uint8_t*)0x20006076 = 0;
  *(uint8_t*)0x20006077 = 0;
  *(uint8_t*)0x20006078 = 0;
  *(uint8_t*)0x20006079 = 0;
  *(uint8_t*)0x2000607a = 0;
  *(uint8_t*)0x2000607b = 0;
  *(uint8_t*)0x2000607c = 0;
  *(uint8_t*)0x2000607d = 0;
  *(uint8_t*)0x2000607e = 0;
  *(uint8_t*)0x2000607f = 0;
  *(uint8_t*)0x20006080 = 0;
  *(uint8_t*)0x20006081 = 0;
  *(uint8_t*)0x20006082 = 0;
  *(uint8_t*)0x20006083 = 0;
  *(uint8_t*)0x20006084 = 0;
  *(uint8_t*)0x20006085 = 0;
  *(uint8_t*)0x20006086 = 0;
  *(uint8_t*)0x20006087 = 0;
  *(uint8_t*)0x20006088 = 0;
  *(uint8_t*)0x20006089 = 0;
  *(uint8_t*)0x2000608a = 0;
  *(uint8_t*)0x2000608b = 0;
  *(uint8_t*)0x2000608c = 0;
  *(uint8_t*)0x2000608d = 0;
  *(uint8_t*)0x2000608e = 0;
  *(uint8_t*)0x2000608f = 0;
  *(uint8_t*)0x20006090 = 0;
  *(uint8_t*)0x20006091 = 0;
  *(uint8_t*)0x20006092 = 0;
  *(uint8_t*)0x20006093 = 0;
  *(uint8_t*)0x20006094 = 0;
  *(uint8_t*)0x20006095 = 0;
  *(uint8_t*)0x20006096 = 0;
  *(uint8_t*)0x20006097 = 0;
  *(uint8_t*)0x20006098 = 0;
  *(uint8_t*)0x20006099 = 0;
  *(uint8_t*)0x2000609a = 0;
  *(uint8_t*)0x2000609b = 0;
  *(uint8_t*)0x2000609c = 0;
  *(uint8_t*)0x2000609d = 0;
  *(uint8_t*)0x2000609e = 0;
  *(uint8_t*)0x2000609f = 0;
  *(uint8_t*)0x200060a0 = 0;
  *(uint8_t*)0x200060a1 = 0;
  *(uint8_t*)0x200060a2 = 0;
  *(uint8_t*)0x200060a3 = 0;
  *(uint8_t*)0x200060a4 = 0;
  *(uint8_t*)0x200060a5 = 0;
  *(uint8_t*)0x200060a6 = 0;
  *(uint8_t*)0x200060a7 = 0;
  *(uint8_t*)0x200060a8 = 0;
  *(uint8_t*)0x200060a9 = 0;
  *(uint8_t*)0x200060aa = 0;
  *(uint8_t*)0x200060ab = 0;
  *(uint8_t*)0x200060ac = 0;
  *(uint8_t*)0x200060ad = 0;
  *(uint8_t*)0x200060ae = 0;
  *(uint8_t*)0x200060af = 0;
  *(uint8_t*)0x200060b0 = 0;
  *(uint8_t*)0x200060b1 = 0;
  *(uint8_t*)0x200060b2 = 0;
  *(uint8_t*)0x200060b3 = 0;
  *(uint8_t*)0x200060b4 = 0;
  *(uint8_t*)0x200060b5 = 0;
  *(uint8_t*)0x200060b6 = 0;
  *(uint8_t*)0x200060b7 = 0;
  *(uint8_t*)0x200060b8 = 0;
  *(uint8_t*)0x200060b9 = 0;
  *(uint8_t*)0x200060ba = 0;
  *(uint8_t*)0x200060bb = 0;
  *(uint8_t*)0x200060bc = 0;
  *(uint8_t*)0x200060bd = 0;
  *(uint8_t*)0x200060be = 0;
  *(uint8_t*)0x200060bf = 0;
  *(uint8_t*)0x200060c0 = 0;
  *(uint8_t*)0x200060c1 = 0;
  *(uint8_t*)0x200060c2 = 0;
  *(uint8_t*)0x200060c3 = 0;
  *(uint8_t*)0x200060c4 = 0;
  *(uint8_t*)0x200060c5 = 0;
  *(uint8_t*)0x200060c6 = 0;
  *(uint8_t*)0x200060c7 = 0;
  *(uint8_t*)0x200060c8 = 0;
  *(uint8_t*)0x200060c9 = 0;
  *(uint8_t*)0x200060ca = 0;
  *(uint8_t*)0x200060cb = 0;
  *(uint8_t*)0x200060cc = 0;
  *(uint8_t*)0x200060cd = 0;
  *(uint8_t*)0x200060ce = 0;
  *(uint8_t*)0x200060cf = 0;
  *(uint8_t*)0x200060d0 = 0;
  *(uint8_t*)0x200060d1 = 0;
  *(uint8_t*)0x200060d2 = 0;
  *(uint8_t*)0x200060d3 = 0;
  *(uint8_t*)0x200060d4 = 0;
  *(uint8_t*)0x200060d5 = 0;
  *(uint8_t*)0x200060d6 = 0;
  *(uint8_t*)0x200060d7 = 0;
  *(uint8_t*)0x200060d8 = 0;
  *(uint8_t*)0x200060d9 = 0;
  *(uint8_t*)0x200060da = 0;
  *(uint8_t*)0x200060db = 0;
  *(uint8_t*)0x200060dc = 0;
  *(uint8_t*)0x200060dd = 0;
  *(uint8_t*)0x200060de = 0;
  *(uint8_t*)0x200060df = 0;
  *(uint8_t*)0x200060e0 = 0;
  *(uint8_t*)0x200060e1 = 0;
  *(uint8_t*)0x200060e2 = 0;
  *(uint8_t*)0x200060e3 = 0;
  *(uint8_t*)0x200060e4 = 0;
  *(uint8_t*)0x200060e5 = 0;
  *(uint8_t*)0x200060e6 = 0;
  *(uint8_t*)0x200060e7 = 0;
  *(uint32_t*)0x200060e8 = 0;
  *(uint16_t*)0x200060ec = 0xa8;
  *(uint16_t*)0x200060ee = 0xd0;
  *(uint32_t*)0x200060f0 = 0;
  *(uint64_t*)0x200060f8 = 0;
  *(uint64_t*)0x20006100 = 0;
  *(uint16_t*)0x20006108 = 0x28;
  memcpy((void*)0x2000610a, "\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*)0x20006127 = 0;
  *(uint32_t*)0x20006128 = 0xfffffffe;
  *(uint8_t*)0x20006130 = 0xfe;
  *(uint8_t*)0x20006131 = 0x80;
  *(uint8_t*)0x20006132 = 0;
  *(uint8_t*)0x20006133 = 0;
  *(uint8_t*)0x20006134 = 0;
  *(uint8_t*)0x20006135 = 0;
  *(uint8_t*)0x20006136 = 0;
  *(uint8_t*)0x20006137 = 0;
  *(uint8_t*)0x20006138 = 0;
  *(uint8_t*)0x20006139 = 0;
  *(uint8_t*)0x2000613a = 0;
  *(uint8_t*)0x2000613b = 0;
  *(uint8_t*)0x2000613c = 0;
  *(uint8_t*)0x2000613d = 0;
  *(uint8_t*)0x2000613e = 0;
  *(uint8_t*)0x2000613f = 0xaa;
  *(uint8_t*)0x20006140 = -1;
  *(uint8_t*)0x20006141 = 1;
  *(uint8_t*)0x20006142 = 0;
  *(uint8_t*)0x20006143 = 0;
  *(uint8_t*)0x20006144 = 0;
  *(uint8_t*)0x20006145 = 0;
  *(uint8_t*)0x20006146 = 0;
  *(uint8_t*)0x20006147 = 0;
  *(uint8_t*)0x20006148 = 0;
  *(uint8_t*)0x20006149 = 0;
  *(uint8_t*)0x2000614a = 0;
  *(uint8_t*)0x2000614b = 0;
  *(uint8_t*)0x2000614c = 0;
  *(uint8_t*)0x2000614d = 0;
  *(uint8_t*)0x2000614e = 0;
  *(uint8_t*)0x2000614f = 1;
  *(uint32_t*)0x20006150 = htobe32(0);
  *(uint32_t*)0x20006154 = htobe32(0);
  *(uint32_t*)0x20006158 = htobe32(0);
  *(uint32_t*)0x2000615c = htobe32(0);
  *(uint32_t*)0x20006160 = htobe32(0);
  *(uint32_t*)0x20006164 = htobe32(0);
  *(uint32_t*)0x20006168 = htobe32(0);
  *(uint32_t*)0x2000616c = htobe32(0);
  *(uint8_t*)0x20006170 = 0x73;
  *(uint8_t*)0x20006171 = 0x79;
  *(uint8_t*)0x20006172 = 0x7a;
  *(uint8_t*)0x20006173 = 0;
  *(uint8_t*)0x20006174 = 0;
  memcpy((void*)0x20006180,
         "\x69\x66\x62\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         16);
  *(uint8_t*)0x20006190 = 0;
  *(uint8_t*)0x20006191 = 0;
  *(uint8_t*)0x20006192 = 0;
  *(uint8_t*)0x20006193 = 0;
  *(uint8_t*)0x20006194 = 0;
  *(uint8_t*)0x20006195 = 0;
  *(uint8_t*)0x20006196 = 0;
  *(uint8_t*)0x20006197 = 0;
  *(uint8_t*)0x20006198 = 0;
  *(uint8_t*)0x20006199 = 0;
  *(uint8_t*)0x2000619a = 0;
  *(uint8_t*)0x2000619b = 0;
  *(uint8_t*)0x2000619c = 0;
  *(uint8_t*)0x2000619d = 0;
  *(uint8_t*)0x2000619e = 0;
  *(uint8_t*)0x2000619f = 0;
  *(uint8_t*)0x200061a0 = 0;
  *(uint8_t*)0x200061a1 = 0;
  *(uint8_t*)0x200061a2 = 0;
  *(uint8_t*)0x200061a3 = 0;
  *(uint8_t*)0x200061a4 = 0;
  *(uint8_t*)0x200061a5 = 0;
  *(uint8_t*)0x200061a6 = 0;
  *(uint8_t*)0x200061a7 = 0;
  *(uint8_t*)0x200061a8 = 0;
  *(uint8_t*)0x200061a9 = 0;
  *(uint8_t*)0x200061aa = 0;
  *(uint8_t*)0x200061ab = 0;
  *(uint8_t*)0x200061ac = 0;
  *(uint8_t*)0x200061ad = 0;
  *(uint8_t*)0x200061ae = 0;
  *(uint8_t*)0x200061af = 0;
  *(uint16_t*)0x200061b0 = 0;
  *(uint8_t*)0x200061b2 = 0;
  *(uint8_t*)0x200061b3 = 0;
  *(uint8_t*)0x200061b4 = 0;
  *(uint32_t*)0x200061b8 = 0;
  *(uint16_t*)0x200061bc = 0xa8;
  *(uint16_t*)0x200061be = 0xd8;
  *(uint32_t*)0x200061c0 = 0;
  *(uint64_t*)0x200061c4 = 0;
  *(uint64_t*)0x200061cc = 0;
  *(uint16_t*)0x200061d8 = 0x30;
  memcpy((void*)0x200061da, "\x43\x4f\x4e\x4e\x4d\x41\x52\x4b\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00",
         29);
  *(uint8_t*)0x200061f7 = 1;
  *(uint32_t*)0x200061f8 = 0;
  *(uint32_t*)0x200061fc = 0;
  *(uint32_t*)0x20006200 = 0;
  *(uint8_t*)0x20006204 = 0;
  *(uint8_t*)0x20006208 = 0;
  *(uint8_t*)0x20006209 = 0;
  *(uint8_t*)0x2000620a = 0;
  *(uint8_t*)0x2000620b = 0;
  *(uint8_t*)0x2000620c = 0;
  *(uint8_t*)0x2000620d = 0;
  *(uint8_t*)0x2000620e = 0;
  *(uint8_t*)0x2000620f = 0;
  *(uint8_t*)0x20006210 = 0;
  *(uint8_t*)0x20006211 = 0;
  *(uint8_t*)0x20006212 = 0;
  *(uint8_t*)0x20006213 = 0;
  *(uint8_t*)0x20006214 = 0;
  *(uint8_t*)0x20006215 = 0;
  *(uint8_t*)0x20006216 = 0;
  *(uint8_t*)0x20006217 = 0;
  *(uint8_t*)0x20006218 = 0;
  *(uint8_t*)0x20006219 = 0;
  *(uint8_t*)0x2000621a = 0;
  *(uint8_t*)0x2000621b = 0;
  *(uint8_t*)0x2000621c = 0;
  *(uint8_t*)0x2000621d = 0;
  *(uint8_t*)0x2000621e = 0;
  *(uint8_t*)0x2000621f = 0;
  *(uint8_t*)0x20006220 = 0;
  *(uint8_t*)0x20006221 = 0;
  *(uint8_t*)0x20006222 = 0;
  *(uint8_t*)0x20006223 = 0;
  *(uint8_t*)0x20006224 = 0;
  *(uint8_t*)0x20006225 = 0;
  *(uint8_t*)0x20006226 = 0;
  *(uint8_t*)0x20006227 = 0;
  *(uint8_t*)0x20006228 = 0;
  *(uint8_t*)0x20006229 = 0;
  *(uint8_t*)0x2000622a = 0;
  *(uint8_t*)0x2000622b = 0;
  *(uint8_t*)0x2000622c = 0;
  *(uint8_t*)0x2000622d = 0;
  *(uint8_t*)0x2000622e = 0;
  *(uint8_t*)0x2000622f = 0;
  *(uint8_t*)0x20006230 = 0;
  *(uint8_t*)0x20006231 = 0;
  *(uint8_t*)0x20006232 = 0;
  *(uint8_t*)0x20006233 = 0;
  *(uint8_t*)0x20006234 = 0;
  *(uint8_t*)0x20006235 = 0;
  *(uint8_t*)0x20006236 = 0;
  *(uint8_t*)0x20006237 = 0;
  *(uint8_t*)0x20006238 = 0;
  *(uint8_t*)0x20006239 = 0;
  *(uint8_t*)0x2000623a = 0;
  *(uint8_t*)0x2000623b = 0;
  *(uint8_t*)0x2000623c = 0;
  *(uint8_t*)0x2000623d = 0;
  *(uint8_t*)0x2000623e = 0;
  *(uint8_t*)0x2000623f = 0;
  *(uint8_t*)0x20006240 = 0;
  *(uint8_t*)0x20006241 = 0;
  *(uint8_t*)0x20006242 = 0;
  *(uint8_t*)0x20006243 = 0;
  *(uint8_t*)0x20006244 = 0;
  *(uint8_t*)0x20006245 = 0;
  *(uint8_t*)0x20006246 = 0;
  *(uint8_t*)0x20006247 = 0;
  *(uint8_t*)0x20006248 = 0;
  *(uint8_t*)0x20006249 = 0;
  *(uint8_t*)0x2000624a = 0;
  *(uint8_t*)0x2000624b = 0;
  *(uint8_t*)0x2000624c = 0;
  *(uint8_t*)0x2000624d = 0;
  *(uint8_t*)0x2000624e = 0;
  *(uint8_t*)0x2000624f = 0;
  *(uint8_t*)0x20006250 = 0;
  *(uint8_t*)0x20006251 = 0;
  *(uint8_t*)0x20006252 = 0;
  *(uint8_t*)0x20006253 = 0;
  *(uint8_t*)0x20006254 = 0;
  *(uint8_t*)0x20006255 = 0;
  *(uint8_t*)0x20006256 = 0;
  *(uint8_t*)0x20006257 = 0;
  *(uint8_t*)0x20006258 = 0;
  *(uint8_t*)0x20006259 = 0;
  *(uint8_t*)0x2000625a = 0;
  *(uint8_t*)0x2000625b = 0;
  *(uint8_t*)0x2000625c = 0;
  *(uint8_t*)0x2000625d = 0;
  *(uint8_t*)0x2000625e = 0;
  *(uint8_t*)0x2000625f = 0;
  *(uint8_t*)0x20006260 = 0;
  *(uint8_t*)0x20006261 = 0;
  *(uint8_t*)0x20006262 = 0;
  *(uint8_t*)0x20006263 = 0;
  *(uint8_t*)0x20006264 = 0;
  *(uint8_t*)0x20006265 = 0;
  *(uint8_t*)0x20006266 = 0;
  *(uint8_t*)0x20006267 = 0;
  *(uint8_t*)0x20006268 = 0;
  *(uint8_t*)0x20006269 = 0;
  *(uint8_t*)0x2000626a = 0;
  *(uint8_t*)0x2000626b = 0;
  *(uint8_t*)0x2000626c = 0;
  *(uint8_t*)0x2000626d = 0;
  *(uint8_t*)0x2000626e = 0;
  *(uint8_t*)0x2000626f = 0;
  *(uint8_t*)0x20006270 = 0;
  *(uint8_t*)0x20006271 = 0;
  *(uint8_t*)0x20006272 = 0;
  *(uint8_t*)0x20006273 = 0;
  *(uint8_t*)0x20006274 = 0;
  *(uint8_t*)0x20006275 = 0;
  *(uint8_t*)0x20006276 = 0;
  *(uint8_t*)0x20006277 = 0;
  *(uint8_t*)0x20006278 = 0;
  *(uint8_t*)0x20006279 = 0;
  *(uint8_t*)0x2000627a = 0;
  *(uint8_t*)0x2000627b = 0;
  *(uint8_t*)0x2000627c = 0;
  *(uint8_t*)0x2000627d = 0;
  *(uint8_t*)0x2000627e = 0;
  *(uint8_t*)0x2000627f = 0;
  *(uint8_t*)0x20006280 = 0;
  *(uint8_t*)0x20006281 = 0;
  *(uint8_t*)0x20006282 = 0;
  *(uint8_t*)0x20006283 = 0;
  *(uint8_t*)0x20006284 = 0;
  *(uint8_t*)0x20006285 = 0;
  *(uint8_t*)0x20006286 = 0;
  *(uint8_t*)0x20006287 = 0;
  *(uint8_t*)0x20006288 = 0;
  *(uint8_t*)0x20006289 = 0;
  *(uint8_t*)0x2000628a = 0;
  *(uint8_t*)0x2000628b = 0;
  *(uint8_t*)0x2000628c = 0;
  *(uint8_t*)0x2000628d = 0;
  *(uint8_t*)0x2000628e = 0;
  *(uint8_t*)0x2000628f = 0;
  *(uint32_t*)0x20006290 = 0;
  *(uint16_t*)0x20006294 = 0xa8;
  *(uint16_t*)0x20006296 = 0xe8;
  *(uint32_t*)0x20006298 = 0;
  *(uint64_t*)0x2000629c = 0;
  *(uint64_t*)0x200062a4 = 0;
  *(uint16_t*)0x200062b0 = 0x40;
  memcpy((void*)0x200062b2, "\x52\x41\x54\x45\x45\x53\x54\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*)0x200062cf = 0;
  memcpy((void*)0x200062d0,
         "\x73\x79\x7a\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         16);
  *(uint8_t*)0x200062e0 = 0;
  *(uint8_t*)0x200062e1 = 0;
  *(uint64_t*)0x200062e8 = 0;
  *(uint8_t*)0x200062f0 = 0xfe;
  *(uint8_t*)0x200062f1 = 0x80;
  *(uint8_t*)0x200062f2 = 0;
  *(uint8_t*)0x200062f3 = 0;
  *(uint8_t*)0x200062f4 = 0;
  *(uint8_t*)0x200062f5 = 0;
  *(uint8_t*)0x200062f6 = 0;
  *(uint8_t*)0x200062f7 = 0;
  *(uint8_t*)0x200062f8 = 0;
  *(uint8_t*)0x200062f9 = 0;
  *(uint8_t*)0x200062fa = 0;
  *(uint8_t*)0x200062fb = 0;
  *(uint8_t*)0x200062fc = 0;
  *(uint8_t*)0x200062fd = 0;
  *(uint8_t*)0x200062fe = 0;
  *(uint8_t*)0x200062ff = 0;
  *(uint8_t*)0x20006300 = 0;
  *(uint8_t*)0x20006301 = 0;
  *(uint8_t*)0x20006302 = 0;
  *(uint8_t*)0x20006303 = 0;
  *(uint8_t*)0x20006304 = 0;
  *(uint8_t*)0x20006305 = 0;
  *(uint8_t*)0x20006306 = 0;
  *(uint8_t*)0x20006307 = 0;
  *(uint8_t*)0x20006308 = 0;
  *(uint8_t*)0x20006309 = 0;
  *(uint8_t*)0x2000630a = -1;
  *(uint8_t*)0x2000630b = -1;
  *(uint8_t*)0x2000630c = 0xac;
  *(uint8_t*)0x2000630d = 0x14;
  *(uint8_t*)0x2000630e = 0;
  *(uint8_t*)0x2000630f = 0;
  *(uint32_t*)0x20006310 = htobe32(0);
  *(uint32_t*)0x20006314 = htobe32(0);
  *(uint32_t*)0x20006318 = htobe32(0);
  *(uint32_t*)0x2000631c = htobe32(0);
  *(uint32_t*)0x20006320 = htobe32(0);
  *(uint32_t*)0x20006324 = htobe32(0);
  *(uint32_t*)0x20006328 = htobe32(0);
  *(uint32_t*)0x2000632c = htobe32(0);
  memcpy((void*)0x20006330,
         "\x74\x75\x6e\x6c\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         16);
  *(uint8_t*)0x20006340 = 0x73;
  *(uint8_t*)0x20006341 = 0x79;
  *(uint8_t*)0x20006342 = 0x7a;
  *(uint8_t*)0x20006343 = 0;
  *(uint8_t*)0x20006344 = 0;
  *(uint8_t*)0x20006350 = 0;
  *(uint8_t*)0x20006351 = 0;
  *(uint8_t*)0x20006352 = 0;
  *(uint8_t*)0x20006353 = 0;
  *(uint8_t*)0x20006354 = 0;
  *(uint8_t*)0x20006355 = 0;
  *(uint8_t*)0x20006356 = 0;
  *(uint8_t*)0x20006357 = 0;
  *(uint8_t*)0x20006358 = 0;
  *(uint8_t*)0x20006359 = 0;
  *(uint8_t*)0x2000635a = 0;
  *(uint8_t*)0x2000635b = 0;
  *(uint8_t*)0x2000635c = 0;
  *(uint8_t*)0x2000635d = 0;
  *(uint8_t*)0x2000635e = 0;
  *(uint8_t*)0x2000635f = 0;
  *(uint8_t*)0x20006360 = 0;
  *(uint8_t*)0x20006361 = 0;
  *(uint8_t*)0x20006362 = 0;
  *(uint8_t*)0x20006363 = 0;
  *(uint8_t*)0x20006364 = 0;
  *(uint8_t*)0x20006365 = 0;
  *(uint8_t*)0x20006366 = 0;
  *(uint8_t*)0x20006367 = 0;
  *(uint8_t*)0x20006368 = 0;
  *(uint8_t*)0x20006369 = 0;
  *(uint8_t*)0x2000636a = 0;
  *(uint8_t*)0x2000636b = 0;
  *(uint8_t*)0x2000636c = 0;
  *(uint8_t*)0x2000636d = 0;
  *(uint8_t*)0x2000636e = 0;
  *(uint8_t*)0x2000636f = 0;
  *(uint16_t*)0x20006370 = 0;
  *(uint8_t*)0x20006372 = 0;
  *(uint8_t*)0x20006373 = 0;
  *(uint8_t*)0x20006374 = 0;
  *(uint32_t*)0x20006378 = 0;
  *(uint16_t*)0x2000637c = 0xa8;
  *(uint16_t*)0x2000637e = 0xc8;
  *(uint32_t*)0x20006380 = 0;
  *(uint64_t*)0x20006384 = 0;
  *(uint64_t*)0x2000638c = 0;
  *(uint16_t*)0x20006398 = 0x20;
  memcpy((void*)0x2000639a, "\x54\x52\x41\x43\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",
         29);
  *(uint8_t*)0x200063b7 = 0;
  *(uint64_t*)0x20004000 = 0;
  *(uint64_t*)0x20004008 = 0;
  *(uint64_t*)0x20004010 = 0;
  *(uint64_t*)0x20004018 = 0;
  *(uint64_t*)0x20004020 = 0;
  *(uint64_t*)0x20004028 = 0;
  *(uint64_t*)0x20004030 = 0;
  *(uint64_t*)0x20004038 = 0;
  syscall(__NR_setsockopt, r[0], 0x29, 0x40, 0x20006000, 0x3b8);
  r[1] = syscall(__NR_socket, 0xa, 1, 0);
  *(uint8_t*)0x200aa000 = 0xfe;
  *(uint8_t*)0x200aa001 = 0x80;
  *(uint8_t*)0x200aa002 = 0;
  *(uint8_t*)0x200aa003 = 0;
  *(uint8_t*)0x200aa004 = 0;
  *(uint8_t*)0x200aa005 = 0;
  *(uint8_t*)0x200aa006 = 0;
  *(uint8_t*)0x200aa007 = 0;
  *(uint8_t*)0x200aa008 = 0;
  *(uint8_t*)0x200aa009 = 0;
  *(uint8_t*)0x200aa00a = 0;
  *(uint8_t*)0x200aa00b = 0;
  *(uint8_t*)0x200aa00c = 0;
  *(uint8_t*)0x200aa00d = 0;
  *(uint8_t*)0x200aa00e = 0;
  *(uint8_t*)0x200aa00f = 0xbb;
  *(uint32_t*)0x200aa010 = 0;
  *(uint8_t*)0x200aa014 = 0;
  *(uint8_t*)0x200aa015 = 0;
  *(uint16_t*)0x200aa016 = 0;
  *(uint16_t*)0x200aa018 = 0;
  *(uint16_t*)0x200aa01a = 0;
  *(uint32_t*)0x200aa01c = 0;
  syscall(__NR_setsockopt, r[1], 0x29, 0x1b, 0x200aa000, 0x20);
  *(uint8_t*)0x200f2f0b = 0xaa;
  *(uint8_t*)0x200f2f0c = 0xaa;
  *(uint8_t*)0x200f2f0d = 0xaa;
  *(uint8_t*)0x200f2f0e = 0xaa;
  *(uint8_t*)0x200f2f0f = 0;
  *(uint8_t*)0x200f2f10 = 0xaa;
  *(uint8_t*)0x200f2f11 = 0xaa;
  *(uint8_t*)0x200f2f12 = 0xaa;
  *(uint8_t*)0x200f2f13 = 0xaa;
  *(uint8_t*)0x200f2f14 = 0xaa;
  *(uint8_t*)0x200f2f15 = 0;
  *(uint8_t*)0x200f2f16 = 0;
  *(uint16_t*)0x200f2f17 = htobe16(0x86dd);
  STORE_BY_BITMASK(uint8_t, 0x200f2f19, 0, 0, 4);
  STORE_BY_BITMASK(uint8_t, 0x200f2f19, 6, 4, 4);
  memcpy((void*)0x200f2f1a, "\x52\x05\x00", 3);
  *(uint16_t*)0x200f2f1d = htobe16(0x14);
  *(uint8_t*)0x200f2f1f = 6;
  *(uint8_t*)0x200f2f20 = 0;
  *(uint8_t*)0x200f2f21 = 0;
  *(uint8_t*)0x200f2f22 = 0;
  *(uint8_t*)0x200f2f23 = 0;
  *(uint8_t*)0x200f2f24 = 0;
  *(uint8_t*)0x200f2f25 = 0;
  *(uint8_t*)0x200f2f26 = 0;
  *(uint8_t*)0x200f2f27 = 0;
  *(uint8_t*)0x200f2f28 = 0;
  *(uint8_t*)0x200f2f29 = 0;
  *(uint8_t*)0x200f2f2a = 0;
  *(uint8_t*)0x200f2f2b = -1;
  *(uint8_t*)0x200f2f2c = -1;
  *(uint32_t*)0x200f2f2d = htobe32(0xe0000001);
  *(uint8_t*)0x200f2f31 = -1;
  *(uint8_t*)0x200f2f32 = 2;
  *(uint8_t*)0x200f2f33 = 0;
  *(uint8_t*)0x200f2f34 = 0;
  *(uint8_t*)0x200f2f35 = 0;
  *(uint8_t*)0x200f2f36 = 0;
  *(uint8_t*)0x200f2f37 = 0;
  *(uint8_t*)0x200f2f38 = 0;
  *(uint8_t*)0x200f2f39 = 0;
  *(uint8_t*)0x200f2f3a = 0;
  *(uint8_t*)0x200f2f3b = 0;
  *(uint8_t*)0x200f2f3c = 0;
  *(uint8_t*)0x200f2f3d = 0;
  *(uint8_t*)0x200f2f3e = 0;
  *(uint8_t*)0x200f2f3f = 0;
  *(uint8_t*)0x200f2f40 = 1;
  *(uint16_t*)0x200f2f41 = 0;
  *(uint16_t*)0x200f2f43 = 0;
  *(uint32_t*)0x200f2f45 = 0x42424242;
  *(uint32_t*)0x200f2f49 = 0x42424242;
  STORE_BY_BITMASK(uint8_t, 0x200f2f4d, 0, 0, 1);
  STORE_BY_BITMASK(uint8_t, 0x200f2f4d, 0, 1, 3);
  STORE_BY_BITMASK(uint8_t, 0x200f2f4d, 5, 4, 4);
  *(uint8_t*)0x200f2f4e = 0;
  *(uint16_t*)0x200f2f4f = htobe16(0);
  *(uint16_t*)0x200f2f51 = 0;
  *(uint16_t*)0x200f2f53 = htobe16(0);
  struct csum_inet csum_1;
  csum_inet_init(&csum_1);
  csum_inet_update(&csum_1, (const uint8_t*)0x200f2f21, 16);
  csum_inet_update(&csum_1, (const uint8_t*)0x200f2f31, 16);
  uint32_t csum_1_chunk_2 = 0x14000000;
  csum_inet_update(&csum_1, (const uint8_t*)&csum_1_chunk_2, 4);
  uint32_t csum_1_chunk_3 = 0x6000000;
  csum_inet_update(&csum_1, (const uint8_t*)&csum_1_chunk_3, 4);
  csum_inet_update(&csum_1, (const uint8_t*)0x200f2f41, 20);
  *(uint16_t*)0x200f2f51 = csum_inet_digest(&csum_1);
  syz_emit_ethernet(0x4a, 0x200f2f0b, 0x20000000);
  r[2] = syscall(__NR_socket, 2, 3, 0x81);
  memcpy((void*)0x20397cd8, "\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*)0x20397cf8 = 0xe;
  *(uint32_t*)0x20397cfc = 4;
  *(uint32_t*)0x20397d00 = 0x2c8;
  *(uint32_t*)0x20397d04 = -1;
  *(uint32_t*)0x20397d08 = 0;
  *(uint32_t*)0x20397d0c = 0;
  *(uint32_t*)0x20397d10 = 0;
  *(uint32_t*)0x20397d14 = -1;
  *(uint32_t*)0x20397d18 = -1;
  *(uint32_t*)0x20397d1c = 0;
  *(uint32_t*)0x20397d20 = 0;
  *(uint32_t*)0x20397d24 = 0;
  *(uint32_t*)0x20397d28 = -1;
  *(uint32_t*)0x20397d2c = 4;
  *(uint64_t*)0x20397d30 = 0x20012fc0;
  *(uint8_t*)0x20397d38 = 0;
  *(uint8_t*)0x20397d39 = 0;
  *(uint8_t*)0x20397d3a = 0;
  *(uint8_t*)0x20397d3b = 0;
  *(uint8_t*)0x20397d3c = 0;
  *(uint8_t*)0x20397d3d = 0;
  *(uint8_t*)0x20397d3e = 0;
  *(uint8_t*)0x20397d3f = 0;
  *(uint8_t*)0x20397d40 = 0;
  *(uint8_t*)0x20397d41 = 0;
  *(uint8_t*)0x20397d42 = 0;
  *(uint8_t*)0x20397d43 = 0;
  *(uint8_t*)0x20397d44 = 0;
  *(uint8_t*)0x20397d45 = 0;
  *(uint8_t*)0x20397d46 = 0;
  *(uint8_t*)0x20397d47 = 0;
  *(uint8_t*)0x20397d48 = 0;
  *(uint8_t*)0x20397d49 = 0;
  *(uint8_t*)0x20397d4a = 0;
  *(uint8_t*)0x20397d4b = 0;
  *(uint8_t*)0x20397d4c = 0;
  *(uint8_t*)0x20397d4d = 0;
  *(uint8_t*)0x20397d4e = 0;
  *(uint8_t*)0x20397d4f = 0;
  *(uint8_t*)0x20397d50 = 0;
  *(uint8_t*)0x20397d51 = 0;
  *(uint8_t*)0x20397d52 = 0;
  *(uint8_t*)0x20397d53 = 0;
  *(uint8_t*)0x20397d54 = 0;
  *(uint8_t*)0x20397d55 = 0;
  *(uint8_t*)0x20397d56 = 0;
  *(uint8_t*)0x20397d57 = 0;
  *(uint8_t*)0x20397d58 = 0;
  *(uint8_t*)0x20397d59 = 0;
  *(uint8_t*)0x20397d5a = 0;
  *(uint8_t*)0x20397d5b = 0;
  *(uint8_t*)0x20397d5c = 0;
  *(uint8_t*)0x20397d5d = 0;
  *(uint8_t*)0x20397d5e = 0;
  *(uint8_t*)0x20397d5f = 0;
  *(uint8_t*)0x20397d60 = 0;
  *(uint8_t*)0x20397d61 = 0;
  *(uint8_t*)0x20397d62 = 0;
  *(uint8_t*)0x20397d63 = 0;
  *(uint8_t*)0x20397d64 = 0;
  *(uint8_t*)0x20397d65 = 0;
  *(uint8_t*)0x20397d66 = 0;
  *(uint8_t*)0x20397d67 = 0;
  *(uint8_t*)0x20397d68 = 0;
  *(uint8_t*)0x20397d69 = 0;
  *(uint8_t*)0x20397d6a = 0;
  *(uint8_t*)0x20397d6b = 0;
  *(uint8_t*)0x20397d6c = 0;
  *(uint8_t*)0x20397d6d = 0;
  *(uint8_t*)0x20397d6e = 0;
  *(uint8_t*)0x20397d6f = 0;
  *(uint8_t*)0x20397d70 = 0;
  *(uint8_t*)0x20397d71 = 0;
  *(uint8_t*)0x20397d72 = 0;
  *(uint8_t*)0x20397d73 = 0;
  *(uint8_t*)0x20397d74 = 0;
  *(uint8_t*)0x20397d75 = 0;
  *(uint8_t*)0x20397d76 = 0;
  *(uint8_t*)0x20397d77 = 0;
  *(uint8_t*)0x20397d78 = 0;
  *(uint8_t*)0x20397d79 = 0;
  *(uint8_t*)0x20397d7a = 0;
  *(uint8_t*)0x20397d7b = 0;
  *(uint8_t*)0x20397d7c = 0;
  *(uint8_t*)0x20397d7d = 0;
  *(uint8_t*)0x20397d7e = 0;
  *(uint8_t*)0x20397d7f = 0;
  *(uint8_t*)0x20397d80 = 0;
  *(uint8_t*)0x20397d81 = 0;
  *(uint8_t*)0x20397d82 = 0;
  *(uint8_t*)0x20397d83 = 0;
  *(uint8_t*)0x20397d84 = 0;
  *(uint8_t*)0x20397d85 = 0;
  *(uint8_t*)0x20397d86 = 0;
  *(uint8_t*)0x20397d87 = 0;
  *(uint8_t*)0x20397d88 = 0;
  *(uint8_t*)0x20397d89 = 0;
  *(uint8_t*)0x20397d8a = 0;
  *(uint8_t*)0x20397d8b = 0;
  *(uint32_t*)0x20397d8c = 0;
  *(uint16_t*)0x20397d90 = 0x70;
  *(uint16_t*)0x20397d92 = 0x98;
  *(uint32_t*)0x20397d94 = 0;
  *(uint64_t*)0x20397d98 = 0;
  *(uint64_t*)0x20397da0 = 0;
  *(uint16_t*)0x20397da8 = 0x28;
  memcpy((void*)0x20397daa, "\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*)0x20397dc7 = 0;
  *(uint32_t*)0x20397dc8 = 0xfffffffe;
  *(uint32_t*)0x20397dd0 = htobe32(0);
  *(uint8_t*)0x20397dd4 = 0xac;
  *(uint8_t*)0x20397dd5 = 0x14;
  *(uint8_t*)0x20397dd6 = 0;
  *(uint8_t*)0x20397dd7 = 0;
  *(uint32_t*)0x20397dd8 = htobe32(0);
  *(uint32_t*)0x20397ddc = htobe32(0);
  *(uint8_t*)0x20397de0 = 0x73;
  *(uint8_t*)0x20397de1 = 0x79;
  *(uint8_t*)0x20397de2 = 0x7a;
  *(uint8_t*)0x20397de3 = 0;
  *(uint8_t*)0x20397de4 = 0;
  *(uint8_t*)0x20397df0 = 0x73;
  *(uint8_t*)0x20397df1 = 0x79;
  *(uint8_t*)0x20397df2 = 0x7a;
  *(uint8_t*)0x20397df3 = 0;
  *(uint8_t*)0x20397df4 = 0;
  *(uint8_t*)0x20397e00 = 0;
  *(uint8_t*)0x20397e01 = 0;
  *(uint8_t*)0x20397e02 = 0;
  *(uint8_t*)0x20397e03 = 0;
  *(uint8_t*)0x20397e04 = 0;
  *(uint8_t*)0x20397e05 = 0;
  *(uint8_t*)0x20397e06 = 0;
  *(uint8_t*)0x20397e07 = 0;
  *(uint8_t*)0x20397e08 = 0;
  *(uint8_t*)0x20397e09 = 0;
  *(uint8_t*)0x20397e0a = 0;
  *(uint8_t*)0x20397e0b = 0;
  *(uint8_t*)0x20397e0c = 0;
  *(uint8_t*)0x20397e0d = 0;
  *(uint8_t*)0x20397e0e = 0;
  *(uint8_t*)0x20397e0f = 0;
  *(uint8_t*)0x20397e10 = 0;
  *(uint8_t*)0x20397e11 = 0;
  *(uint8_t*)0x20397e12 = 0;
  *(uint8_t*)0x20397e13 = 0;
  *(uint8_t*)0x20397e14 = 0;
  *(uint8_t*)0x20397e15 = 0;
  *(uint8_t*)0x20397e16 = 0;
  *(uint8_t*)0x20397e17 = 0;
  *(uint8_t*)0x20397e18 = 0;
  *(uint8_t*)0x20397e19 = 0;
  *(uint8_t*)0x20397e1a = 0;
  *(uint8_t*)0x20397e1b = 0;
  *(uint8_t*)0x20397e1c = 0;
  *(uint8_t*)0x20397e1d = 0;
  *(uint8_t*)0x20397e1e = 0;
  *(uint8_t*)0x20397e1f = 0;
  *(uint16_t*)0x20397e20 = 0;
  *(uint8_t*)0x20397e22 = 0;
  *(uint8_t*)0x20397e23 = 0;
  *(uint32_t*)0x20397e24 = 0;
  *(uint16_t*)0x20397e28 = 0x70;
  *(uint16_t*)0x20397e2a = 0x98;
  *(uint32_t*)0x20397e2c = 0;
  *(uint64_t*)0x20397e30 = 0;
  *(uint64_t*)0x20397e38 = 0;
  *(uint16_t*)0x20397e40 = 0x28;
  memcpy((void*)0x20397e42, "\x43\x4c\x41\x53\x53\x49\x46\x59\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00",
         29);
  *(uint8_t*)0x20397e5f = 0;
  *(uint32_t*)0x20397e60 = 0;
  *(uint32_t*)0x20397e68 = htobe32(0);
  *(uint32_t*)0x20397e6c = htobe32(0xe0000002);
  *(uint32_t*)0x20397e70 = htobe32(0);
  *(uint32_t*)0x20397e74 = htobe32(0);
  *(uint8_t*)0x20397e78 = 0x73;
  *(uint8_t*)0x20397e79 = 0x79;
  *(uint8_t*)0x20397e7a = 0x7a;
  *(uint8_t*)0x20397e7b = 0;
  *(uint8_t*)0x20397e7c = 0;
  memcpy((void*)0x20397e88,
         "\x6c\x6f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         16);
  *(uint8_t*)0x20397e98 = 0;
  *(uint8_t*)0x20397e99 = 0;
  *(uint8_t*)0x20397e9a = 0;
  *(uint8_t*)0x20397e9b = 0;
  *(uint8_t*)0x20397e9c = 0;
  *(uint8_t*)0x20397e9d = 0;
  *(uint8_t*)0x20397e9e = 0;
  *(uint8_t*)0x20397e9f = 0;
  *(uint8_t*)0x20397ea0 = 0;
  *(uint8_t*)0x20397ea1 = 0;
  *(uint8_t*)0x20397ea2 = 0;
  *(uint8_t*)0x20397ea3 = 0;
  *(uint8_t*)0x20397ea4 = 0;
  *(uint8_t*)0x20397ea5 = 0;
  *(uint8_t*)0x20397ea6 = 0;
  *(uint8_t*)0x20397ea7 = 0;
  *(uint8_t*)0x20397ea8 = 0;
  *(uint8_t*)0x20397ea9 = 0;
  *(uint8_t*)0x20397eaa = 0;
  *(uint8_t*)0x20397eab = 0;
  *(uint8_t*)0x20397eac = 0;
  *(uint8_t*)0x20397ead = 0;
  *(uint8_t*)0x20397eae = 0;
  *(uint8_t*)0x20397eaf = 0;
  *(uint8_t*)0x20397eb0 = 0;
  *(uint8_t*)0x20397eb1 = 0;
  *(uint8_t*)0x20397eb2 = 0;
  *(uint8_t*)0x20397eb3 = 0;
  *(uint8_t*)0x20397eb4 = 0;
  *(uint8_t*)0x20397eb5 = 0;
  *(uint8_t*)0x20397eb6 = 0;
  *(uint8_t*)0x20397eb7 = 0;
  *(uint16_t*)0x20397eb8 = 0;
  *(uint8_t*)0x20397eba = 0;
  *(uint8_t*)0x20397ebb = 0;
  *(uint32_t*)0x20397ebc = 0;
  *(uint16_t*)0x20397ec0 = 0xa0;
  *(uint16_t*)0x20397ec2 = 0xc8;
  *(uint32_t*)0x20397ec4 = 0;
  *(uint64_t*)0x20397ec8 = 0;
  *(uint64_t*)0x20397ed0 = 0;
  *(uint16_t*)0x20397ed8 = 0x30;
  memcpy((void*)0x20397eda, "\x63\x6f\x6e\x6e\x6d\x61\x72\x6b\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00",
         29);
  *(uint8_t*)0x20397ef7 = 1;
  *(uint32_t*)0x20397ef8 = 0;
  *(uint32_t*)0x20397efc = 0;
  *(uint32_t*)0x20397f00 = 0;
  *(uint16_t*)0x20397f08 = 0x28;
  memcpy((void*)0x20397f0a, "\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*)0x20397f27 = 0;
  *(uint32_t*)0x20397f28 = 0;
  *(uint32_t*)0x20397f30 = htobe32(0);
  *(uint32_t*)0x20397f34 = htobe32(0xe0000002);
  *(uint32_t*)0x20397f38 = htobe32(0);
  *(uint32_t*)0x20397f3c = htobe32(-1);
  *(uint8_t*)0x20397f40 = 0x73;
  *(uint8_t*)0x20397f41 = 0x79;
  *(uint8_t*)0x20397f42 = 0x7a;
  *(uint8_t*)0x20397f43 = 0x30;
  *(uint8_t*)0x20397f44 = 0;
  memcpy((void*)0x20397f50,
         "\x86\xd3\xd6\x53\xc2\x5e\xa8\xd7\x4a\x86\xad\xd0\x35\xad\xfd\xcf",
         16);
  *(uint8_t*)0x20397f60 = 0;
  *(uint8_t*)0x20397f61 = 0;
  *(uint8_t*)0x20397f62 = 0;
  *(uint8_t*)0x20397f63 = 0;
  *(uint8_t*)0x20397f64 = 0;
  *(uint8_t*)0x20397f65 = 0;
  *(uint8_t*)0x20397f66 = 0;
  *(uint8_t*)0x20397f67 = 0;
  *(uint8_t*)0x20397f68 = 0;
  *(uint8_t*)0x20397f69 = 0;
  *(uint8_t*)0x20397f6a = 0;
  *(uint8_t*)0x20397f6b = 0;
  *(uint8_t*)0x20397f6c = 0;
  *(uint8_t*)0x20397f6d = 0;
  *(uint8_t*)0x20397f6e = 0;
  *(uint8_t*)0x20397f6f = 0;
  *(uint8_t*)0x20397f70 = 0;
  *(uint8_t*)0x20397f71 = 0;
  *(uint8_t*)0x20397f72 = 0;
  *(uint8_t*)0x20397f73 = 0;
  *(uint8_t*)0x20397f74 = 0;
  *(uint8_t*)0x20397f75 = 0;
  *(uint8_t*)0x20397f76 = 0;
  *(uint8_t*)0x20397f77 = 0;
  *(uint8_t*)0x20397f78 = 0;
  *(uint8_t*)0x20397f79 = 0;
  *(uint8_t*)0x20397f7a = 0;
  *(uint8_t*)0x20397f7b = 0;
  *(uint8_t*)0x20397f7c = 0;
  *(uint8_t*)0x20397f7d = 0;
  *(uint8_t*)0x20397f7e = 0;
  *(uint8_t*)0x20397f7f = 0;
  *(uint16_t*)0x20397f80 = 0;
  *(uint8_t*)0x20397f82 = 0;
  *(uint8_t*)0x20397f83 = 0;
  *(uint32_t*)0x20397f84 = 0;
  *(uint16_t*)0x20397f88 = 0x70;
  *(uint16_t*)0x20397f8a = 0xd0;
  *(uint32_t*)0x20397f8c = 0;
  *(uint64_t*)0x20397f90 = 0;
  *(uint64_t*)0x20397f98 = 0;
  *(uint16_t*)0x20397fa0 = 0x60;
  memcpy((void*)0x20397fa2, "\x43\x4c\x55\x53\x54\x45\x52\x49\x50\x00\x00\x00"
                            "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                            "\x00\x00\x00\x00\x00",
         29);
  *(uint8_t*)0x20397fbf = 0;
  *(uint32_t*)0x20397fc0 = 1;
  *(uint8_t*)0x20397fc4 = 0;
  *(uint8_t*)0x20397fc5 = 0;
  *(uint8_t*)0x20397fc6 = 0;
  *(uint8_t*)0x20397fc7 = 0;
  *(uint8_t*)0x20397fc8 = 0;
  *(uint8_t*)0x20397fc9 = 0;
  *(uint16_t*)0x20397fca = 0;
  *(uint16_t*)0x20397fcc = 0;
  *(uint16_t*)0x20397fce = 0;
  *(uint16_t*)0x20397fd0 = 0;
  *(uint16_t*)0x20397fd2 = 0;
  *(uint16_t*)0x20397fd4 = 0;
  *(uint16_t*)0x20397fd6 = 0;
  *(uint16_t*)0x20397fd8 = 0;
  *(uint16_t*)0x20397fda = 0;
  *(uint16_t*)0x20397fdc = 0;
  *(uint16_t*)0x20397fde = 0;
  *(uint16_t*)0x20397fe0 = 0;
  *(uint16_t*)0x20397fe2 = 0;
  *(uint16_t*)0x20397fe4 = 0;
  *(uint16_t*)0x20397fe6 = 0;
  *(uint16_t*)0x20397fe8 = 0;
  *(uint16_t*)0x20397fea = 0;
  *(uint16_t*)0x20397fec = 0;
  *(uint32_t*)0x20397ff0 = 0;
  *(uint32_t*)0x20397ff4 = 0;
  *(uint64_t*)0x20397ff8 = 0;
  *(uint64_t*)0x20012fc0 = 0;
  *(uint64_t*)0x20012fc8 = 0;
  *(uint64_t*)0x20012fd0 = 0;
  *(uint64_t*)0x20012fd8 = 0;
  *(uint64_t*)0x20012fe0 = 0;
  *(uint64_t*)0x20012fe8 = 0;
  *(uint64_t*)0x20012ff0 = 0;
  *(uint64_t*)0x20012ff8 = 0;
  syscall(__NR_setsockopt, r[2], 0, 0x40, 0x20397cd8, 0x328);
}

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