// 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);
}

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;
}

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

struct ipv6hdr {
  __u8 priority : 4, version : 4;
  __u8 flow_lbl[3];

  __be16 payload_len;
  __u8 nexthdr;
  __u8 hop_limit;

  struct in6_addr saddr;
  struct in6_addr daddr;
};

struct tcp_resources {
  uint32_t seq;
  uint32_t ack;
};

static uintptr_t syz_extract_tcp_res(uintptr_t a0, uintptr_t a1, uintptr_t a2)
{

  if (tunfd < 0)
    return (uintptr_t)-1;

  char data[SYZ_TUN_MAX_PACKET_SIZE];
  int rv = read_tun(&data[0], sizeof(data));
  if (rv == -1)
    return (uintptr_t)-1;
  size_t length = rv;

  struct tcphdr* tcphdr;

  if (length < sizeof(struct ethhdr))
    return (uintptr_t)-1;
  struct ethhdr* ethhdr = (struct ethhdr*)&data[0];

  if (ethhdr->h_proto == htons(ETH_P_IP)) {
    if (length < sizeof(struct ethhdr) + sizeof(struct iphdr))
      return (uintptr_t)-1;
    struct iphdr* iphdr = (struct iphdr*)&data[sizeof(struct ethhdr)];
    if (iphdr->protocol != IPPROTO_TCP)
      return (uintptr_t)-1;
    if (length < sizeof(struct ethhdr) + iphdr->ihl * 4 + sizeof(struct tcphdr))
      return (uintptr_t)-1;
    tcphdr = (struct tcphdr*)&data[sizeof(struct ethhdr) + iphdr->ihl * 4];
  } else {
    if (length < sizeof(struct ethhdr) + sizeof(struct ipv6hdr))
      return (uintptr_t)-1;
    struct ipv6hdr* ipv6hdr = (struct ipv6hdr*)&data[sizeof(struct ethhdr)];
    if (ipv6hdr->nexthdr != IPPROTO_TCP)
      return (uintptr_t)-1;
    if (length <
        sizeof(struct ethhdr) + sizeof(struct ipv6hdr) + sizeof(struct tcphdr))
      return (uintptr_t)-1;
    tcphdr =
        (struct tcphdr*)&data[sizeof(struct ethhdr) + sizeof(struct ipv6hdr)];
  }

  struct tcp_resources* res = (struct tcp_resources*)a0;
  res->seq = htonl((ntohl(tcphdr->seq) + (uint32_t)a1));
  res->ack = htonl((ntohl(tcphdr->ack_seq) + (uint32_t)a2));

  return 0;
}

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*)0x20005be8, "\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*)0x20005c08 = 9;
  *(uint32_t*)0x20005c0c = 4;
  *(uint32_t*)0x20005c10 = 0x3b8;
  *(uint32_t*)0x20005c14 = 0;
  *(uint32_t*)0x20005c18 = -1;
  *(uint32_t*)0x20005c1c = -1;
  *(uint32_t*)0x20005c20 = 0;
  *(uint32_t*)0x20005c24 = -1;
  *(uint32_t*)0x20005c28 = 0;
  *(uint32_t*)0x20005c2c = -1;
  *(uint32_t*)0x20005c30 = -1;
  *(uint32_t*)0x20005c34 = 0;
  *(uint32_t*)0x20005c38 = -1;
  *(uint32_t*)0x20005c3c = 4;
  *(uint64_t*)0x20005c40 = 0x20004000;
  *(uint8_t*)0x20005c48 = 0;
  *(uint8_t*)0x20005c49 = 0;
  *(uint8_t*)0x20005c4a = 0;
  *(uint8_t*)0x20005c4b = 0;
  *(uint8_t*)0x20005c4c = 0;
  *(uint8_t*)0x20005c4d = 0;
  *(uint8_t*)0x20005c4e = 0;
  *(uint8_t*)0x20005c4f = 0;
  *(uint8_t*)0x20005c50 = 0;
  *(uint8_t*)0x20005c51 = 0;
  *(uint8_t*)0x20005c52 = 0;
  *(uint8_t*)0x20005c53 = 0;
  *(uint8_t*)0x20005c54 = 0;
  *(uint8_t*)0x20005c55 = 0;
  *(uint8_t*)0x20005c56 = 0;
  *(uint8_t*)0x20005c57 = 0;
  *(uint8_t*)0x20005c58 = 0;
  *(uint8_t*)0x20005c59 = 0;
  *(uint8_t*)0x20005c5a = 0;
  *(uint8_t*)0x20005c5b = 0;
  *(uint8_t*)0x20005c5c = 0;
  *(uint8_t*)0x20005c5d = 0;
  *(uint8_t*)0x20005c5e = 0;
  *(uint8_t*)0x20005c5f = 0;
  *(uint8_t*)0x20005c60 = 0;
  *(uint8_t*)0x20005c61 = 0;
  *(uint8_t*)0x20005c62 = 0;
  *(uint8_t*)0x20005c63 = 0;
  *(uint8_t*)0x20005c64 = 0;
  *(uint8_t*)0x20005c65 = 0;
  *(uint8_t*)0x20005c66 = 0;
  *(uint8_t*)0x20005c67 = 0;
  *(uint8_t*)0x20005c68 = 0;
  *(uint8_t*)0x20005c69 = 0;
  *(uint8_t*)0x20005c6a = 0;
  *(uint8_t*)0x20005c6b = 0;
  *(uint8_t*)0x20005c6c = 0;
  *(uint8_t*)0x20005c6d = 0;
  *(uint8_t*)0x20005c6e = 0;
  *(uint8_t*)0x20005c6f = 0;
  *(uint8_t*)0x20005c70 = 0;
  *(uint8_t*)0x20005c71 = 0;
  *(uint8_t*)0x20005c72 = 0;
  *(uint8_t*)0x20005c73 = 0;
  *(uint8_t*)0x20005c74 = 0;
  *(uint8_t*)0x20005c75 = 0;
  *(uint8_t*)0x20005c76 = 0;
  *(uint8_t*)0x20005c77 = 0;
  *(uint8_t*)0x20005c78 = 0;
  *(uint8_t*)0x20005c79 = 0;
  *(uint8_t*)0x20005c7a = 0;
  *(uint8_t*)0x20005c7b = 0;
  *(uint8_t*)0x20005c7c = 0;
  *(uint8_t*)0x20005c7d = 0;
  *(uint8_t*)0x20005c7e = 0;
  *(uint8_t*)0x20005c7f = 0;
  *(uint8_t*)0x20005c80 = 0;
  *(uint8_t*)0x20005c81 = 0;
  *(uint8_t*)0x20005c82 = 0;
  *(uint8_t*)0x20005c83 = 0;
  *(uint8_t*)0x20005c84 = 0;
  *(uint8_t*)0x20005c85 = 0;
  *(uint8_t*)0x20005c86 = 0;
  *(uint8_t*)0x20005c87 = 0;
  *(uint8_t*)0x20005c88 = 0;
  *(uint8_t*)0x20005c89 = 0;
  *(uint8_t*)0x20005c8a = 0;
  *(uint8_t*)0x20005c8b = 0;
  *(uint8_t*)0x20005c8c = 0;
  *(uint8_t*)0x20005c8d = 0;
  *(uint8_t*)0x20005c8e = 0;
  *(uint8_t*)0x20005c8f = 0;
  *(uint8_t*)0x20005c90 = 0;
  *(uint8_t*)0x20005c91 = 0;
  *(uint8_t*)0x20005c92 = 0;
  *(uint8_t*)0x20005c93 = 0;
  *(uint8_t*)0x20005c94 = 0;
  *(uint8_t*)0x20005c95 = 0;
  *(uint8_t*)0x20005c96 = 0;
  *(uint8_t*)0x20005c97 = 0;
  *(uint8_t*)0x20005c98 = 0;
  *(uint8_t*)0x20005c99 = 0;
  *(uint8_t*)0x20005c9a = 0;
  *(uint8_t*)0x20005c9b = 0;
  *(uint8_t*)0x20005c9c = 0;
  *(uint8_t*)0x20005c9d = 0;
  *(uint8_t*)0x20005c9e = 0;
  *(uint8_t*)0x20005c9f = 0;
  *(uint8_t*)0x20005ca0 = 0;
  *(uint8_t*)0x20005ca1 = 0;
  *(uint8_t*)0x20005ca2 = 0;
  *(uint8_t*)0x20005ca3 = 0;
  *(uint8_t*)0x20005ca4 = 0;
  *(uint8_t*)0x20005ca5 = 0;
  *(uint8_t*)0x20005ca6 = 0;
  *(uint8_t*)0x20005ca7 = 0;
  *(uint8_t*)0x20005ca8 = 0;
  *(uint8_t*)0x20005ca9 = 0;
  *(uint8_t*)0x20005caa = 0;
  *(uint8_t*)0x20005cab = 0;
  *(uint8_t*)0x20005cac = 0;
  *(uint8_t*)0x20005cad = 0;
  *(uint8_t*)0x20005cae = 0;
  *(uint8_t*)0x20005caf = 0;
  *(uint8_t*)0x20005cb0 = 0;
  *(uint8_t*)0x20005cb1 = 0;
  *(uint8_t*)0x20005cb2 = 0;
  *(uint8_t*)0x20005cb3 = 0;
  *(uint8_t*)0x20005cb4 = 0;
  *(uint8_t*)0x20005cb5 = 0;
  *(uint8_t*)0x20005cb6 = 0;
  *(uint8_t*)0x20005cb7 = 0;
  *(uint8_t*)0x20005cb8 = 0;
  *(uint8_t*)0x20005cb9 = 0;
  *(uint8_t*)0x20005cba = 0;
  *(uint8_t*)0x20005cbb = 0;
  *(uint8_t*)0x20005cbc = 0;
  *(uint8_t*)0x20005cbd = 0;
  *(uint8_t*)0x20005cbe = 0;
  *(uint8_t*)0x20005cbf = 0;
  *(uint8_t*)0x20005cc0 = 0;
  *(uint8_t*)0x20005cc1 = 0;
  *(uint8_t*)0x20005cc2 = 0;
  *(uint8_t*)0x20005cc3 = 0;
  *(uint8_t*)0x20005cc4 = 0;
  *(uint8_t*)0x20005cc5 = 0;
  *(uint8_t*)0x20005cc6 = 0;
  *(uint8_t*)0x20005cc7 = 0;
  *(uint8_t*)0x20005cc8 = 0;
  *(uint8_t*)0x20005cc9 = 0;
  *(uint8_t*)0x20005cca = 0;
  *(uint8_t*)0x20005ccb = 0;
  *(uint8_t*)0x20005ccc = 0;
  *(uint8_t*)0x20005ccd = 0;
  *(uint8_t*)0x20005cce = 0;
  *(uint8_t*)0x20005ccf = 0;
  *(uint32_t*)0x20005cd0 = 0;
  *(uint16_t*)0x20005cd4 = 0xa8;
  *(uint16_t*)0x20005cd6 = 0xd0;
  *(uint32_t*)0x20005cd8 = 0;
  *(uint64_t*)0x20005ce0 = 0;
  *(uint64_t*)0x20005ce8 = 0;
  *(uint16_t*)0x20005cf0 = 0x28;
  memcpy((void*)0x20005cf2, "\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*)0x20005d0f = 0;
  *(uint32_t*)0x20005d10 = 0xfffffffe;
  *(uint8_t*)0x20005d18 = 0xfe;
  *(uint8_t*)0x20005d19 = 0x80;
  *(uint8_t*)0x20005d1a = 0;
  *(uint8_t*)0x20005d1b = 0;
  *(uint8_t*)0x20005d1c = 0;
  *(uint8_t*)0x20005d1d = 0;
  *(uint8_t*)0x20005d1e = 0;
  *(uint8_t*)0x20005d1f = 0;
  *(uint8_t*)0x20005d20 = 0;
  *(uint8_t*)0x20005d21 = 0;
  *(uint8_t*)0x20005d22 = 0;
  *(uint8_t*)0x20005d23 = 0;
  *(uint8_t*)0x20005d24 = 0;
  *(uint8_t*)0x20005d25 = 0;
  *(uint8_t*)0x20005d26 = 0;
  *(uint8_t*)0x20005d27 = 0xaa;
  *(uint8_t*)0x20005d28 = -1;
  *(uint8_t*)0x20005d29 = 1;
  *(uint8_t*)0x20005d2a = 0;
  *(uint8_t*)0x20005d2b = 0;
  *(uint8_t*)0x20005d2c = 0;
  *(uint8_t*)0x20005d2d = 0;
  *(uint8_t*)0x20005d2e = 0;
  *(uint8_t*)0x20005d2f = 0;
  *(uint8_t*)0x20005d30 = 0;
  *(uint8_t*)0x20005d31 = 0;
  *(uint8_t*)0x20005d32 = 0;
  *(uint8_t*)0x20005d33 = 0;
  *(uint8_t*)0x20005d34 = 0;
  *(uint8_t*)0x20005d35 = 0;
  *(uint8_t*)0x20005d36 = 0;
  *(uint8_t*)0x20005d37 = 1;
  *(uint32_t*)0x20005d38 = htobe32(0);
  *(uint32_t*)0x20005d3c = htobe32(0);
  *(uint32_t*)0x20005d40 = htobe32(0);
  *(uint32_t*)0x20005d44 = htobe32(0);
  *(uint32_t*)0x20005d48 = htobe32(0);
  *(uint32_t*)0x20005d4c = htobe32(0);
  *(uint32_t*)0x20005d50 = htobe32(0);
  *(uint32_t*)0x20005d54 = htobe32(0);
  *(uint8_t*)0x20005d58 = 0x73;
  *(uint8_t*)0x20005d59 = 0x79;
  *(uint8_t*)0x20005d5a = 0x7a;
  *(uint8_t*)0x20005d5b = 0;
  *(uint8_t*)0x20005d5c = 0;
  memcpy((void*)0x20005d68,
         "\x69\x66\x62\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         16);
  *(uint8_t*)0x20005d78 = 0;
  *(uint8_t*)0x20005d79 = 0;
  *(uint8_t*)0x20005d7a = 0;
  *(uint8_t*)0x20005d7b = 0;
  *(uint8_t*)0x20005d7c = 0;
  *(uint8_t*)0x20005d7d = 0;
  *(uint8_t*)0x20005d7e = 0;
  *(uint8_t*)0x20005d7f = 0;
  *(uint8_t*)0x20005d80 = 0;
  *(uint8_t*)0x20005d81 = 0;
  *(uint8_t*)0x20005d82 = 0;
  *(uint8_t*)0x20005d83 = 0;
  *(uint8_t*)0x20005d84 = 0;
  *(uint8_t*)0x20005d85 = 0;
  *(uint8_t*)0x20005d86 = 0;
  *(uint8_t*)0x20005d87 = 0;
  *(uint8_t*)0x20005d88 = 0;
  *(uint8_t*)0x20005d89 = 0;
  *(uint8_t*)0x20005d8a = 0;
  *(uint8_t*)0x20005d8b = 0;
  *(uint8_t*)0x20005d8c = 0;
  *(uint8_t*)0x20005d8d = 0;
  *(uint8_t*)0x20005d8e = 0;
  *(uint8_t*)0x20005d8f = 0;
  *(uint8_t*)0x20005d90 = 0;
  *(uint8_t*)0x20005d91 = 0;
  *(uint8_t*)0x20005d92 = 0;
  *(uint8_t*)0x20005d93 = 0;
  *(uint8_t*)0x20005d94 = 0;
  *(uint8_t*)0x20005d95 = 0;
  *(uint8_t*)0x20005d96 = 0;
  *(uint8_t*)0x20005d97 = 0;
  *(uint16_t*)0x20005d98 = 0;
  *(uint8_t*)0x20005d9a = 0;
  *(uint8_t*)0x20005d9b = 0;
  *(uint8_t*)0x20005d9c = 0;
  *(uint32_t*)0x20005da0 = 0;
  *(uint16_t*)0x20005da4 = 0xa8;
  *(uint16_t*)0x20005da6 = 0x110;
  *(uint32_t*)0x20005da8 = 0;
  *(uint64_t*)0x20005dac = 0;
  *(uint64_t*)0x20005db4 = 0;
  *(uint16_t*)0x20005dc0 = 0x68;
  memcpy((void*)0x20005dc2, "\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\x00\x00\x00\x00",
         29);
  *(uint8_t*)0x20005ddf = 2;
  *(uint16_t*)0x20005de0 = 3;
  *(uint16_t*)0x20005de2 = 0;
  *(uint32_t*)0x20005de4 = 0;
  *(uint32_t*)0x20005de8 = 0;
  memcpy((void*)0x20005dec,
         "\x73\x6e\x6d\x70\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         16);
  memcpy((void*)0x20005dfc, "\x73\x79\x7a\x31\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);
  *(uint64_t*)0x20005e20 = 0;
  *(uint8_t*)0x20005e28 = 0;
  *(uint8_t*)0x20005e29 = 0;
  *(uint8_t*)0x20005e2a = 0;
  *(uint8_t*)0x20005e2b = 0;
  *(uint8_t*)0x20005e2c = 0;
  *(uint8_t*)0x20005e2d = 0;
  *(uint8_t*)0x20005e2e = 0;
  *(uint8_t*)0x20005e2f = 0;
  *(uint8_t*)0x20005e30 = 0;
  *(uint8_t*)0x20005e31 = 0;
  *(uint8_t*)0x20005e32 = 0;
  *(uint8_t*)0x20005e33 = 0;
  *(uint8_t*)0x20005e34 = 0;
  *(uint8_t*)0x20005e35 = 0;
  *(uint8_t*)0x20005e36 = 0;
  *(uint8_t*)0x20005e37 = 0;
  *(uint8_t*)0x20005e38 = 0;
  *(uint8_t*)0x20005e39 = 0;
  *(uint8_t*)0x20005e3a = 0;
  *(uint8_t*)0x20005e3b = 0;
  *(uint8_t*)0x20005e3c = 0;
  *(uint8_t*)0x20005e3d = 0;
  *(uint8_t*)0x20005e3e = 0;
  *(uint8_t*)0x20005e3f = 0;
  *(uint8_t*)0x20005e40 = 0;
  *(uint8_t*)0x20005e41 = 0;
  *(uint8_t*)0x20005e42 = 0;
  *(uint8_t*)0x20005e43 = 0;
  *(uint8_t*)0x20005e44 = 0;
  *(uint8_t*)0x20005e45 = 0;
  *(uint8_t*)0x20005e46 = 0;
  *(uint8_t*)0x20005e47 = 0;
  *(uint8_t*)0x20005e48 = 0;
  *(uint8_t*)0x20005e49 = 0;
  *(uint8_t*)0x20005e4a = 0;
  *(uint8_t*)0x20005e4b = 0;
  *(uint8_t*)0x20005e4c = 0;
  *(uint8_t*)0x20005e4d = 0;
  *(uint8_t*)0x20005e4e = 0;
  *(uint8_t*)0x20005e4f = 0;
  *(uint8_t*)0x20005e50 = 0;
  *(uint8_t*)0x20005e51 = 0;
  *(uint8_t*)0x20005e52 = 0;
  *(uint8_t*)0x20005e53 = 0;
  *(uint8_t*)0x20005e54 = 0;
  *(uint8_t*)0x20005e55 = 0;
  *(uint8_t*)0x20005e56 = 0;
  *(uint8_t*)0x20005e57 = 0;
  *(uint8_t*)0x20005e58 = 0;
  *(uint8_t*)0x20005e59 = 0;
  *(uint8_t*)0x20005e5a = 0;
  *(uint8_t*)0x20005e5b = 0;
  *(uint8_t*)0x20005e5c = 0;
  *(uint8_t*)0x20005e5d = 0;
  *(uint8_t*)0x20005e5e = 0;
  *(uint8_t*)0x20005e5f = 0;
  *(uint8_t*)0x20005e60 = 0;
  *(uint8_t*)0x20005e61 = 0;
  *(uint8_t*)0x20005e62 = 0;
  *(uint8_t*)0x20005e63 = 0;
  *(uint8_t*)0x20005e64 = 0;
  *(uint8_t*)0x20005e65 = 0;
  *(uint8_t*)0x20005e66 = 0;
  *(uint8_t*)0x20005e67 = 0;
  *(uint8_t*)0x20005e68 = 0;
  *(uint8_t*)0x20005e69 = 0;
  *(uint8_t*)0x20005e6a = 0;
  *(uint8_t*)0x20005e6b = 0;
  *(uint8_t*)0x20005e6c = 0;
  *(uint8_t*)0x20005e6d = 0;
  *(uint8_t*)0x20005e6e = 0;
  *(uint8_t*)0x20005e6f = 0;
  *(uint8_t*)0x20005e70 = 0;
  *(uint8_t*)0x20005e71 = 0;
  *(uint8_t*)0x20005e72 = 0;
  *(uint8_t*)0x20005e73 = 0;
  *(uint8_t*)0x20005e74 = 0;
  *(uint8_t*)0x20005e75 = 0;
  *(uint8_t*)0x20005e76 = 0;
  *(uint8_t*)0x20005e77 = 0;
  *(uint8_t*)0x20005e78 = 0;
  *(uint8_t*)0x20005e79 = 0;
  *(uint8_t*)0x20005e7a = 0;
  *(uint8_t*)0x20005e7b = 0;
  *(uint8_t*)0x20005e7c = 0;
  *(uint8_t*)0x20005e7d = 0;
  *(uint8_t*)0x20005e7e = 0;
  *(uint8_t*)0x20005e7f = 0;
  *(uint8_t*)0x20005e80 = 0;
  *(uint8_t*)0x20005e81 = 0;
  *(uint8_t*)0x20005e82 = 0;
  *(uint8_t*)0x20005e83 = 0;
  *(uint8_t*)0x20005e84 = 0;
  *(uint8_t*)0x20005e85 = 0;
  *(uint8_t*)0x20005e86 = 0;
  *(uint8_t*)0x20005e87 = 0;
  *(uint8_t*)0x20005e88 = 0;
  *(uint8_t*)0x20005e89 = 0;
  *(uint8_t*)0x20005e8a = 0;
  *(uint8_t*)0x20005e8b = 0;
  *(uint8_t*)0x20005e8c = 0;
  *(uint8_t*)0x20005e8d = 0;
  *(uint8_t*)0x20005e8e = 0;
  *(uint8_t*)0x20005e8f = 0;
  *(uint8_t*)0x20005e90 = 0;
  *(uint8_t*)0x20005e91 = 0;
  *(uint8_t*)0x20005e92 = 0;
  *(uint8_t*)0x20005e93 = 0;
  *(uint8_t*)0x20005e94 = 0;
  *(uint8_t*)0x20005e95 = 0;
  *(uint8_t*)0x20005e96 = 0;
  *(uint8_t*)0x20005e97 = 0;
  *(uint8_t*)0x20005e98 = 0;
  *(uint8_t*)0x20005e99 = 0;
  *(uint8_t*)0x20005e9a = 0;
  *(uint8_t*)0x20005e9b = 0;
  *(uint8_t*)0x20005e9c = 0;
  *(uint8_t*)0x20005e9d = 0;
  *(uint8_t*)0x20005e9e = 0;
  *(uint8_t*)0x20005e9f = 0;
  *(uint8_t*)0x20005ea0 = 0;
  *(uint8_t*)0x20005ea1 = 0;
  *(uint8_t*)0x20005ea2 = 0;
  *(uint8_t*)0x20005ea3 = 0;
  *(uint8_t*)0x20005ea4 = 0;
  *(uint8_t*)0x20005ea5 = 0;
  *(uint8_t*)0x20005ea6 = 0;
  *(uint8_t*)0x20005ea7 = 0;
  *(uint8_t*)0x20005ea8 = 0;
  *(uint8_t*)0x20005ea9 = 0;
  *(uint8_t*)0x20005eaa = 0;
  *(uint8_t*)0x20005eab = 0;
  *(uint8_t*)0x20005eac = 0;
  *(uint8_t*)0x20005ead = 0;
  *(uint8_t*)0x20005eae = 0;
  *(uint8_t*)0x20005eaf = 0;
  *(uint32_t*)0x20005eb0 = 0;
  *(uint16_t*)0x20005eb4 = 0xa8;
  *(uint16_t*)0x20005eb6 = 0xc8;
  *(uint32_t*)0x20005eb8 = 0;
  *(uint64_t*)0x20005ebc = 0;
  *(uint64_t*)0x20005ec4 = 0;
  *(uint16_t*)0x20005ed0 = 0x20;
  memcpy((void*)0x20005ed2, "\x4e\x4f\x54\x52\x41\x43\x4b\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*)0x20005eef = 0;
  *(uint8_t*)0x20005ef0 = 0xfe;
  *(uint8_t*)0x20005ef1 = 0x80;
  *(uint8_t*)0x20005ef2 = 0;
  *(uint8_t*)0x20005ef3 = 0;
  *(uint8_t*)0x20005ef4 = 0;
  *(uint8_t*)0x20005ef5 = 0;
  *(uint8_t*)0x20005ef6 = 0;
  *(uint8_t*)0x20005ef7 = 0;
  *(uint8_t*)0x20005ef8 = 0;
  *(uint8_t*)0x20005ef9 = 0;
  *(uint8_t*)0x20005efa = 0;
  *(uint8_t*)0x20005efb = 0;
  *(uint8_t*)0x20005efc = 0;
  *(uint8_t*)0x20005efd = 0;
  *(uint8_t*)0x20005efe = 0;
  *(uint8_t*)0x20005eff = 0;
  *(uint8_t*)0x20005f00 = 0;
  *(uint8_t*)0x20005f01 = 0;
  *(uint8_t*)0x20005f02 = 0;
  *(uint8_t*)0x20005f03 = 0;
  *(uint8_t*)0x20005f04 = 0;
  *(uint8_t*)0x20005f05 = 0;
  *(uint8_t*)0x20005f06 = 0;
  *(uint8_t*)0x20005f07 = 0;
  *(uint8_t*)0x20005f08 = 0;
  *(uint8_t*)0x20005f09 = 0;
  *(uint8_t*)0x20005f0a = -1;
  *(uint8_t*)0x20005f0b = -1;
  *(uint8_t*)0x20005f0c = 0xac;
  *(uint8_t*)0x20005f0d = 0x14;
  *(uint8_t*)0x20005f0e = 0;
  *(uint8_t*)0x20005f0f = 0;
  *(uint32_t*)0x20005f10 = htobe32(0);
  *(uint32_t*)0x20005f14 = htobe32(0);
  *(uint32_t*)0x20005f18 = htobe32(0);
  *(uint32_t*)0x20005f1c = htobe32(0);
  *(uint32_t*)0x20005f20 = htobe32(0);
  *(uint32_t*)0x20005f24 = htobe32(0);
  *(uint32_t*)0x20005f28 = htobe32(0);
  *(uint32_t*)0x20005f2c = htobe32(0);
  memcpy((void*)0x20005f30,
         "\x74\x75\x6e\x6c\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         16);
  *(uint8_t*)0x20005f40 = 0x73;
  *(uint8_t*)0x20005f41 = 0x79;
  *(uint8_t*)0x20005f42 = 0x7a;
  *(uint8_t*)0x20005f43 = 0;
  *(uint8_t*)0x20005f44 = 0;
  *(uint8_t*)0x20005f50 = 0;
  *(uint8_t*)0x20005f51 = 0;
  *(uint8_t*)0x20005f52 = 0;
  *(uint8_t*)0x20005f53 = 0;
  *(uint8_t*)0x20005f54 = 0;
  *(uint8_t*)0x20005f55 = 0;
  *(uint8_t*)0x20005f56 = 0;
  *(uint8_t*)0x20005f57 = 0;
  *(uint8_t*)0x20005f58 = 0;
  *(uint8_t*)0x20005f59 = 0;
  *(uint8_t*)0x20005f5a = 0;
  *(uint8_t*)0x20005f5b = 0;
  *(uint8_t*)0x20005f5c = 0;
  *(uint8_t*)0x20005f5d = 0;
  *(uint8_t*)0x20005f5e = 0;
  *(uint8_t*)0x20005f5f = 0;
  *(uint8_t*)0x20005f60 = 0;
  *(uint8_t*)0x20005f61 = 0;
  *(uint8_t*)0x20005f62 = 0;
  *(uint8_t*)0x20005f63 = 0;
  *(uint8_t*)0x20005f64 = 0;
  *(uint8_t*)0x20005f65 = 0;
  *(uint8_t*)0x20005f66 = 0;
  *(uint8_t*)0x20005f67 = 0;
  *(uint8_t*)0x20005f68 = 0;
  *(uint8_t*)0x20005f69 = 0;
  *(uint8_t*)0x20005f6a = 0;
  *(uint8_t*)0x20005f6b = 0;
  *(uint8_t*)0x20005f6c = 0;
  *(uint8_t*)0x20005f6d = 0;
  *(uint8_t*)0x20005f6e = 0;
  *(uint8_t*)0x20005f6f = 0;
  *(uint16_t*)0x20005f70 = 0;
  *(uint8_t*)0x20005f72 = 0;
  *(uint8_t*)0x20005f73 = 0;
  *(uint8_t*)0x20005f74 = 0;
  *(uint32_t*)0x20005f78 = 0;
  *(uint16_t*)0x20005f7c = 0xa8;
  *(uint16_t*)0x20005f7e = 0x110;
  *(uint32_t*)0x20005f80 = 0;
  *(uint64_t*)0x20005f84 = 0;
  *(uint64_t*)0x20005f8c = 0;
  *(uint16_t*)0x20005f98 = 0x68;
  memcpy((void*)0x20005f9a, "\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\x00\x00\x00\x00",
         29);
  *(uint8_t*)0x20005fb7 = 2;
  *(uint16_t*)0x20005fb8 = 0xfffc;
  *(uint16_t*)0x20005fba = 0;
  *(uint32_t*)0x20005fbc = 0;
  *(uint32_t*)0x20005fc0 = 0;
  memcpy((void*)0x20005fc4,
         "\x73\x6e\x6d\x70\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         16);
  memcpy((void*)0x20005fd4, "\x73\x79\x7a\x31\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);
  *(uint64_t*)0x20005ff8 = 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, 0x20005be8, 0x418);
  syz_extract_tcp_res(0x20500000, 1, 0);
  r[1] = syscall(__NR_socket, 0xa, 5, 0x84);
  *(uint32_t*)0x20058000 = 1;
  *(uint16_t*)0x20058008 = 0xa;
  *(uint16_t*)0x2005800a = 0;
  *(uint32_t*)0x2005800c = 0;
  *(uint8_t*)0x20058010 = -1;
  *(uint8_t*)0x20058011 = 1;
  *(uint8_t*)0x20058012 = 0;
  *(uint8_t*)0x20058013 = 0;
  *(uint8_t*)0x20058014 = 0;
  *(uint8_t*)0x20058015 = 0;
  *(uint8_t*)0x20058016 = 0;
  *(uint8_t*)0x20058017 = 0;
  *(uint8_t*)0x20058018 = 0;
  *(uint8_t*)0x20058019 = 0;
  *(uint8_t*)0x2005801a = 0;
  *(uint8_t*)0x2005801b = 0;
  *(uint8_t*)0x2005801c = 0;
  *(uint8_t*)0x2005801d = 0;
  *(uint8_t*)0x2005801e = 0;
  *(uint8_t*)0x2005801f = 1;
  *(uint32_t*)0x20058020 = 0;
  *(uint64_t*)0x20058028 = 0;
  *(uint64_t*)0x20058030 = 0;
  *(uint64_t*)0x20058038 = 0;
  *(uint64_t*)0x20058040 = 0;
  *(uint64_t*)0x20058048 = 0;
  *(uint64_t*)0x20058050 = 0;
  *(uint64_t*)0x20058058 = 0;
  *(uint64_t*)0x20058060 = 0;
  *(uint64_t*)0x20058068 = 0;
  *(uint64_t*)0x20058070 = 0;
  *(uint64_t*)0x20058078 = 0;
  *(uint64_t*)0x20058080 = 0;
  syscall(__NR_setsockopt, r[1], 0x29, 0x2a, 0x20058000, 0x88);
  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();
  }
}