// https://syzkaller.appspot.com/bug?id=3d605ec1d0a7f2a269a1a6936ac7f2b85975ee9c
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <arpa/inet.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <pthread.h>
#include <sched.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/capability.h>
#include <linux/futex.h>
#include <linux/if_addr.h>
#include <linux/if_ether.h>
#include <linux/if_link.h>
#include <linux/if_tun.h>
#include <linux/in6.h>
#include <linux/ip.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>

unsigned long long procid;

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static void thread_start(void* (*fn)(void*), void* arg)
{
  pthread_t th;
  pthread_attr_t attr;
  pthread_attr_init(&attr);
  pthread_attr_setstacksize(&attr, 128 << 10);
  int i;
  for (i = 0; i < 100; i++) {
    if (pthread_create(&th, &attr, fn, arg) == 0) {
      pthread_attr_destroy(&attr);
      return;
    }
    if (errno == EAGAIN) {
      usleep(50);
      continue;
    }
    break;
  }
  exit(1);
}

typedef struct {
  int state;
} event_t;

static void event_init(event_t* ev)
{
  ev->state = 0;
}

static void event_reset(event_t* ev)
{
  ev->state = 0;
}

static void event_set(event_t* ev)
{
  if (ev->state)
    exit(1);
  __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
  syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG);
}

static void event_wait(event_t* ev)
{
  while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}

static int event_isset(event_t* ev)
{
  return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}

static int event_timedwait(event_t* ev, uint64_t timeout)
{
  uint64_t start = current_time_ms();
  uint64_t now = start;
  for (;;) {
    uint64_t remain = timeout - (now - start);
    struct timespec ts;
    ts.tv_sec = remain / 1000;
    ts.tv_nsec = (remain % 1000) * 1000 * 1000;
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
    if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED))
      return 1;
    now = current_time_ms();
    if (now - start > timeout)
      return 0;
  }
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

static struct {
  char* pos;
  int nesting;
  struct nlattr* nested[8];
  char buf[1024];
} nlmsg;

static void netlink_init(int typ, int flags, const void* data, int size)
{
  memset(&nlmsg, 0, sizeof(nlmsg));
  struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg.buf;
  hdr->nlmsg_type = typ;
  hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;
  memcpy(hdr + 1, data, size);
  nlmsg.pos = (char*)(hdr + 1) + NLMSG_ALIGN(size);
}

static void netlink_attr(int typ, const void* data, int size)
{
  struct nlattr* attr = (struct nlattr*)nlmsg.pos;
  attr->nla_len = sizeof(*attr) + size;
  attr->nla_type = typ;
  memcpy(attr + 1, data, size);
  nlmsg.pos += NLMSG_ALIGN(attr->nla_len);
}

static void netlink_nest(int typ)
{
  struct nlattr* attr = (struct nlattr*)nlmsg.pos;
  attr->nla_type = typ;
  nlmsg.pos += sizeof(*attr);
  nlmsg.nested[nlmsg.nesting++] = attr;
}

static void netlink_done(void)
{
  struct nlattr* attr = nlmsg.nested[--nlmsg.nesting];
  attr->nla_len = nlmsg.pos - (char*)attr;
}

static int netlink_send(int sock)
{
  if (nlmsg.pos > nlmsg.buf + sizeof(nlmsg.buf) || nlmsg.nesting)
    exit(1);
  struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg.buf;
  hdr->nlmsg_len = nlmsg.pos - nlmsg.buf;
  struct sockaddr_nl addr;
  memset(&addr, 0, sizeof(addr));
  addr.nl_family = AF_NETLINK;
  unsigned n = sendto(sock, nlmsg.buf, hdr->nlmsg_len, 0,
                      (struct sockaddr*)&addr, sizeof(addr));
  if (n != hdr->nlmsg_len)
    exit(1);
  n = recv(sock, nlmsg.buf, sizeof(nlmsg.buf), 0);
  if (n < sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))
    exit(1);
  if (hdr->nlmsg_type != NLMSG_ERROR)
    exit(1);
  return -((struct nlmsgerr*)(hdr + 1))->error;
}

static void netlink_add_device_impl(const char* type, const char* name)
{
  struct ifinfomsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  netlink_init(RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr, sizeof(hdr));
  if (name)
    netlink_attr(IFLA_IFNAME, name, strlen(name));
  netlink_nest(IFLA_LINKINFO);
  netlink_attr(IFLA_INFO_KIND, type, strlen(type));
}

static void netlink_add_device(int sock, const char* type, const char* name)
{
  netlink_add_device_impl(type, name);
  netlink_done();
  int err = netlink_send(sock);
  (void)err;
}

static void netlink_add_veth(int sock, const char* name, const char* peer)
{
  netlink_add_device_impl("veth", name);
  netlink_nest(IFLA_INFO_DATA);
  netlink_nest(VETH_INFO_PEER);
  nlmsg.pos += sizeof(struct ifinfomsg);
  netlink_attr(IFLA_IFNAME, peer, strlen(peer));
  netlink_done();
  netlink_done();
  netlink_done();
  int err = netlink_send(sock);
  (void)err;
}

static void netlink_add_hsr(int sock, const char* name, const char* slave1,
                            const char* slave2)
{
  netlink_add_device_impl("hsr", name);
  netlink_nest(IFLA_INFO_DATA);
  int ifindex1 = if_nametoindex(slave1);
  netlink_attr(IFLA_HSR_SLAVE1, &ifindex1, sizeof(ifindex1));
  int ifindex2 = if_nametoindex(slave2);
  netlink_attr(IFLA_HSR_SLAVE2, &ifindex2, sizeof(ifindex2));
  netlink_done();
  netlink_done();
  int err = netlink_send(sock);
  (void)err;
}

static void netlink_device_change(int sock, const char* name, bool up,
                                  const char* master, const void* mac,
                                  int macsize)
{
  struct ifinfomsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  if (up)
    hdr.ifi_flags = hdr.ifi_change = IFF_UP;
  netlink_init(RTM_NEWLINK, 0, &hdr, sizeof(hdr));
  netlink_attr(IFLA_IFNAME, name, strlen(name));
  if (master) {
    int ifindex = if_nametoindex(master);
    netlink_attr(IFLA_MASTER, &ifindex, sizeof(ifindex));
  }
  if (macsize)
    netlink_attr(IFLA_ADDRESS, mac, macsize);
  int err = netlink_send(sock);
  (void)err;
}

static int netlink_add_addr(int sock, const char* dev, const void* addr,
                            int addrsize)
{
  struct ifaddrmsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  hdr.ifa_family = addrsize == 4 ? AF_INET : AF_INET6;
  hdr.ifa_prefixlen = addrsize == 4 ? 24 : 120;
  hdr.ifa_scope = RT_SCOPE_UNIVERSE;
  hdr.ifa_index = if_nametoindex(dev);
  netlink_init(RTM_NEWADDR, NLM_F_CREATE | NLM_F_REPLACE, &hdr, sizeof(hdr));
  netlink_attr(IFA_LOCAL, addr, addrsize);
  netlink_attr(IFA_ADDRESS, addr, addrsize);
  return netlink_send(sock);
}

static void netlink_add_addr4(int sock, const char* dev, const char* addr)
{
  struct in_addr in_addr;
  inet_pton(AF_INET, addr, &in_addr);
  int err = netlink_add_addr(sock, dev, &in_addr, sizeof(in_addr));
  (void)err;
}

static void netlink_add_addr6(int sock, const char* dev, const char* addr)
{
  struct in6_addr in6_addr;
  inet_pton(AF_INET6, addr, &in6_addr);
  int err = netlink_add_addr(sock, dev, &in6_addr, sizeof(in6_addr));
  (void)err;
}

#define DEV_IPV4 "172.20.20.%d"
#define DEV_IPV6 "fe80::%02x"
#define DEV_MAC 0x00aaaaaaaaaa
static void initialize_netdevices(void)
{
  char netdevsim[16];
  sprintf(netdevsim, "netdevsim%d", (int)procid);
  struct {
    const char* type;
    const char* dev;
  } devtypes[] = {
      {"ip6gretap", "ip6gretap0"}, {"bridge", "bridge0"},
      {"vcan", "vcan0"},           {"bond", "bond0"},
      {"team", "team0"},           {"dummy", "dummy0"},
      {"nlmon", "nlmon0"},         {"caif", "caif0"},
      {"batadv", "batadv0"},       {"vxcan", "vxcan1"},
      {"netdevsim", netdevsim},    {"veth", 0},
  };
  const char* devmasters[] = {"bridge", "bond", "team"};
  struct {
    const char* name;
    int macsize;
    bool noipv6;
  } devices[] = {
      {"lo", ETH_ALEN},
      {"sit0", 0},
      {"bridge0", ETH_ALEN},
      {"vcan0", 0, true},
      {"tunl0", 0},
      {"gre0", 0},
      {"gretap0", ETH_ALEN},
      {"ip_vti0", 0},
      {"ip6_vti0", 0},
      {"ip6tnl0", 0},
      {"ip6gre0", 0},
      {"ip6gretap0", ETH_ALEN},
      {"erspan0", ETH_ALEN},
      {"bond0", ETH_ALEN},
      {"veth0", ETH_ALEN},
      {"veth1", ETH_ALEN},
      {"team0", ETH_ALEN},
      {"veth0_to_bridge", ETH_ALEN},
      {"veth1_to_bridge", ETH_ALEN},
      {"veth0_to_bond", ETH_ALEN},
      {"veth1_to_bond", ETH_ALEN},
      {"veth0_to_team", ETH_ALEN},
      {"veth1_to_team", ETH_ALEN},
      {"veth0_to_hsr", ETH_ALEN},
      {"veth1_to_hsr", ETH_ALEN},
      {"hsr0", 0},
      {"dummy0", ETH_ALEN},
      {"nlmon0", 0},
      {"vxcan1", 0, true},
      {"caif0", ETH_ALEN},
      {"batadv0", ETH_ALEN},
      {netdevsim, ETH_ALEN},
  };
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock == -1)
    exit(1);
  unsigned i;
  for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++)
    netlink_add_device(sock, devtypes[i].type, devtypes[i].dev);
  for (i = 0; i < sizeof(devmasters) / (sizeof(devmasters[0])); i++) {
    char master[32], slave0[32], veth0[32], slave1[32], veth1[32];
    sprintf(slave0, "%s_slave_0", devmasters[i]);
    sprintf(veth0, "veth0_to_%s", devmasters[i]);
    netlink_add_veth(sock, slave0, veth0);
    sprintf(slave1, "%s_slave_1", devmasters[i]);
    sprintf(veth1, "veth1_to_%s", devmasters[i]);
    netlink_add_veth(sock, slave1, veth1);
    sprintf(master, "%s0", devmasters[i]);
    netlink_device_change(sock, slave0, false, master, 0, 0);
    netlink_device_change(sock, slave1, false, master, 0, 0);
  }
  netlink_device_change(sock, "bridge_slave_0", true, 0, 0, 0);
  netlink_device_change(sock, "bridge_slave_1", true, 0, 0, 0);
  netlink_add_veth(sock, "hsr_slave_0", "veth0_to_hsr");
  netlink_add_veth(sock, "hsr_slave_1", "veth1_to_hsr");
  netlink_add_hsr(sock, "hsr0", "hsr_slave_0", "hsr_slave_1");
  netlink_device_change(sock, "hsr_slave_0", true, 0, 0, 0);
  netlink_device_change(sock, "hsr_slave_1", true, 0, 0, 0);
  for (i = 0; i < sizeof(devices) / (sizeof(devices[0])); i++) {
    char addr[32];
    sprintf(addr, DEV_IPV4, i + 10);
    netlink_add_addr4(sock, devices[i].name, addr);
    if (!devices[i].noipv6) {
      sprintf(addr, DEV_IPV6, i + 10);
      netlink_add_addr6(sock, devices[i].name, addr);
    }
    uint64_t macaddr = DEV_MAC + ((i + 10ull) << 40);
    netlink_device_change(sock, devices[i].name, true, 0, &macaddr,
                          devices[i].macsize);
  }
  close(sock);
}
static void initialize_netdevices_init(void)
{
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock == -1)
    exit(1);
  struct {
    const char* type;
    int macsize;
    bool noipv6;
    bool noup;
  } devtypes[] = {
      {"nr", 7, true}, {"rose", 5, true, true},
  };
  unsigned i;
  for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++) {
    char dev[32], addr[32];
    sprintf(dev, "%s%d", devtypes[i].type, (int)procid);
    sprintf(addr, "172.30.%d.%d", i, (int)procid + 1);
    netlink_add_addr4(sock, dev, addr);
    if (!devtypes[i].noipv6) {
      sprintf(addr, "fe88::%02x:%02x", i, (int)procid + 1);
      netlink_add_addr6(sock, dev, addr);
    }
    int macsize = devtypes[i].macsize;
    uint64_t macaddr = 0xbbbbbb +
                       ((unsigned long long)i << (8 * (macsize - 2))) +
                       (procid << (8 * (macsize - 1)));
    netlink_device_change(sock, dev, !devtypes[i].noup, 0, &macaddr, macsize);
  }
  close(sock);
}

static void setup_common()
{
  if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
  }
}

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  setsid();
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = (200 << 20);
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 32 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 136 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 0;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
  if (unshare(CLONE_NEWNS)) {
  }
  if (unshare(CLONE_NEWIPC)) {
  }
  if (unshare(0x02000000)) {
  }
  if (unshare(CLONE_NEWUTS)) {
  }
  if (unshare(CLONE_SYSVSEM)) {
  }
  typedef struct {
    const char* name;
    const char* value;
  } sysctl_t;
  static const sysctl_t sysctls[] = {
      {"/proc/sys/kernel/shmmax", "16777216"},
      {"/proc/sys/kernel/shmall", "536870912"},
      {"/proc/sys/kernel/shmmni", "1024"},
      {"/proc/sys/kernel/msgmax", "8192"},
      {"/proc/sys/kernel/msgmni", "1024"},
      {"/proc/sys/kernel/msgmnb", "1024"},
      {"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
  };
  unsigned i;
  for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
    write_file(sysctls[i].name, sysctls[i].value);
}

int wait_for_loop(int pid)
{
  if (pid < 0)
    exit(1);
  int status = 0;
  while (waitpid(-1, &status, __WALL) != pid) {
  }
  return WEXITSTATUS(status);
}

static void drop_caps(void)
{
  struct __user_cap_header_struct cap_hdr = {};
  struct __user_cap_data_struct cap_data[2] = {};
  cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
  cap_hdr.pid = getpid();
  if (syscall(SYS_capget, &cap_hdr, &cap_data))
    exit(1);
  const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
  cap_data[0].effective &= ~drop;
  cap_data[0].permitted &= ~drop;
  cap_data[0].inheritable &= ~drop;
  if (syscall(SYS_capset, &cap_hdr, &cap_data))
    exit(1);
}

static int do_sandbox_none(void)
{
  if (unshare(CLONE_NEWPID)) {
  }
  int pid = fork();
  if (pid != 0)
    return wait_for_loop(pid);
  setup_common();
  sandbox_common();
  drop_caps();
  initialize_netdevices_init();
  if (unshare(CLONE_NEWNET)) {
  }
  initialize_netdevices();
  loop();
  exit(1);
}

struct thread_t {
  int created, call;
  event_t ready, done;
};

static struct thread_t threads[16];
static void execute_call(int call);
static int running;

static void* thr(void* arg)
{
  struct thread_t* th = (struct thread_t*)arg;
  for (;;) {
    event_wait(&th->ready);
    event_reset(&th->ready);
    execute_call(th->call);
    __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
    event_set(&th->done);
  }
  return 0;
}

static void loop(void)
{
  int i, call, thread;
  int collide = 0;
again:
  for (call = 0; call < 4; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      if (collide && (call % 2) == 0)
        break;
      event_timedwait(&th->done, 45);
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
  if (!collide) {
    collide = 1;
    goto again;
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res;
  switch (call) {
  case 0:
    res = syscall(__NR_socket, 0xa, 3, 0x3c);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    *(uint16_t*)0x20000140 = 0xa;
    *(uint16_t*)0x20000142 = htobe16(0);
    *(uint32_t*)0x20000144 = htobe32(0);
    *(uint8_t*)0x20000148 = -1;
    *(uint8_t*)0x20000149 = 2;
    *(uint8_t*)0x2000014a = 0;
    *(uint8_t*)0x2000014b = 0;
    *(uint8_t*)0x2000014c = 0;
    *(uint8_t*)0x2000014d = 0;
    *(uint8_t*)0x2000014e = 0;
    *(uint8_t*)0x2000014f = 0;
    *(uint8_t*)0x20000150 = 0;
    *(uint8_t*)0x20000151 = 0;
    *(uint8_t*)0x20000152 = 0;
    *(uint8_t*)0x20000153 = 0;
    *(uint8_t*)0x20000154 = 0;
    *(uint8_t*)0x20000155 = 0;
    *(uint8_t*)0x20000156 = 0;
    *(uint8_t*)0x20000157 = 1;
    *(uint32_t*)0x20000158 = 9;
    syscall(__NR_connect, r[0], 0x20000140, 0x1c);
    break;
  case 2:
    memcpy((void*)0x200001c0,
           "\x3a\xae\x00\x00\x00\x23\x7b\x3d\x03\x00\x00\x00\x00\x00\xf4\x94"
           "\x9a\x2d\xee\x32\xb1\x62\x64\x07\x36\xb9\xbe\xca\xba\x3d\xe7\xb4"
           "\x01\x00\x00\x20\x00\x00\x00\x00\x19\x8c\xe1\x79\x05\xd3\x2c\xe5"
           "\x04\xd9\x93\x49\x46\xcf\xae\xb9\x2e\xca\x74\x05\x08\xbd\x92\x0c"
           "\xbe\xdd\x79\x4c\x1a\xaa\xdc\xf6\x6a\x62\x8b\x3c\xcc\x05\x7c\x2a"
           "\xe6\xb8\x99\xd4\x04\x8c\x0b\x55\x74\x00\x00\x00\x00\x00\x00\x04"
           "\x00\x00\x00\x00\x8d\xc6\x18\xc6\x45\x15\x6c\xf0\x63\x71\x19\x89"
           "\x49\xc4\x48\x73\x2a\xa5\x45\xfe\xdc\x85\x6f\xdb\xf5\xc4\xc5\x86"
           "\xfc\x7b\x0c\x1c\x73\x86\xe7\xb0\xc6\x6f\x9b\x64\xad\xf1\x11\xcb"
           "\x89\xc9\x6e\x7e\xa5\x30\x72\x64\xaa\xeb\x01\x36\x8d\x1c\x65\x36"
           "\x5b\x5a\x8d\xc7\x34\x9d\x82\x33\x44\x23\xad\x1f\x7c\x2a\xbf\xa7"
           "\xf7\xc7\xe1\xdb\x90\x44\xf9\x87\x63\xf0\xb0\x82\x3d\x20\x69\xe9"
           "\x2f\xa7\x32\x7e\x4c\x47\xda\x77\x07\xc6\x29\x11\xfe\x95\x04\x05"
           "\xca\x20\x38\x22\xab\x90\xf2\x63\x85\xd4\x09\xc6\x47\x3f\xc2\xfc"
           "\x6c\x1c\x38\xb4\xba\x6d\xb2\x81\xea\xd3\x1c\x87\xe6\x38\x36\x41"
           "\x48\x70\x9d\x35\x8a\x5f\x5d\x80\x11\xc5\x02\x36\x5e\x79\xbc\xb7"
           "\xa7\x1d\x81\x19\x8a\xad\x55\x21\x05\x11\xe1\xc7\xec\x92\x93\x42"
           "\x8f\x11\x8c\x12\xac\x15\x53\xab\x33\x99\xc7\x60\xa1\x53\x2b\x57"
           "\xe1\x3d\x7e\x1f\x54\x86\x07\xbf\xeb\x2c\x13\xf3\x52\xcf\x8f\xf9"
           "\x83\x71\x68\xb5\xb1\x5d\x39\x74\xb8\x23\x3f\xd7",
           316);
    syscall(__NR_write, r[0], 0x200001c0, 0x41a0);
    break;
  case 3:
    memcpy((void*)0x200005c0, "filter\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000",
           32);
    *(uint32_t*)0x200005e0 = 0xe;
    *(uint32_t*)0x200005e4 = 4;
    *(uint32_t*)0x200005e8 = 0x580;
    *(uint32_t*)0x200005ec = 0x4b0;
    *(uint32_t*)0x200005f0 = 0x260;
    *(uint32_t*)0x200005f4 = 0x378;
    *(uint32_t*)0x200005f8 = 0x260;
    *(uint32_t*)0x200005fc = 0x378;
    *(uint32_t*)0x20000600 = 0x4b0;
    *(uint32_t*)0x20000604 = 0x4b0;
    *(uint32_t*)0x20000608 = 0x4b0;
    *(uint32_t*)0x2000060c = 0x4b0;
    *(uint32_t*)0x20000610 = 0x4b0;
    *(uint32_t*)0x20000614 = 4;
    *(uint64_t*)0x20000618 = 0;
    memcpy((void*)0x20000620,
           "\xdf\x63\x76\x0c\x30\xce\x51\x0e\x47\x18\x42\x36\xc9\xe9\xaf\x7b",
           16);
    *(uint8_t*)0x20000630 = 0;
    *(uint8_t*)0x20000631 = 0;
    *(uint8_t*)0x20000632 = 0;
    *(uint8_t*)0x20000633 = 0;
    *(uint8_t*)0x20000634 = 0;
    *(uint8_t*)0x20000635 = 0;
    *(uint8_t*)0x20000636 = 0;
    *(uint8_t*)0x20000637 = 0;
    *(uint8_t*)0x20000638 = 0;
    *(uint8_t*)0x20000639 = 0;
    *(uint8_t*)0x2000063a = 0;
    *(uint8_t*)0x2000063b = 0;
    *(uint8_t*)0x2000063c = 0;
    *(uint8_t*)0x2000063d = 0;
    *(uint8_t*)0x2000063e = 0;
    *(uint8_t*)0x2000063f = 0;
    *(uint32_t*)0x20000640 = htobe32(0xff000000);
    *(uint32_t*)0x20000644 = htobe32(-1);
    *(uint32_t*)0x20000648 = htobe32(-1);
    *(uint32_t*)0x2000064c = htobe32(0xff);
    *(uint32_t*)0x20000650 = htobe32(0);
    *(uint32_t*)0x20000654 = htobe32(-1);
    *(uint32_t*)0x20000658 = htobe32(0xffffff00);
    *(uint32_t*)0x2000065c = htobe32(0);
    memcpy((void*)0x20000660,
           "lo\000\000\000\000\000\000\000\000\000\000\000\000\000\000", 16);
    memcpy((void*)0x20000670, "ip6gretap0\000\000\000\000\000\000", 16);
    *(uint8_t*)0x20000689 = -1;
    *(uint8_t*)0x200006a7 = 0;
    *(uint16_t*)0x200006b8 = 0x3b;
    *(uint8_t*)0x200006ba = 1;
    *(uint8_t*)0x200006bb = 4;
    *(uint8_t*)0x200006bc = 4;
    *(uint32_t*)0x200006c8 = 0;
    *(uint16_t*)0x200006cc = 0x228;
    *(uint16_t*)0x200006ce = 0x260;
    *(uint32_t*)0x200006d0 = 0;
    *(uint64_t*)0x200006d8 = 0;
    *(uint64_t*)0x200006e0 = 0;
    *(uint16_t*)0x200006e8 = 0x28;
    memcpy((void*)0x200006ea, "set\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000",
           29);
    *(uint8_t*)0x20000707 = 1;
    *(uint16_t*)0x20000708 = 0;
    *(uint8_t*)0x2000070a = 3;
    *(uint8_t*)0x2000070b = 0;
    *(uint16_t*)0x20000710 = 0x138;
    memcpy((void*)0x20000712, "rt\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000",
           29);
    *(uint8_t*)0x2000072f = 0;
    *(uint32_t*)0x20000730 = 9;
    *(uint32_t*)0x20000734 = 0x80000000;
    *(uint32_t*)0x20000738 = 0x100;
    *(uint32_t*)0x2000073c = 0;
    *(uint8_t*)0x20000740 = 0x20;
    *(uint8_t*)0x20000741 = 6;
    *(uint8_t*)0x20000744 = 0;
    *(uint8_t*)0x20000745 = 0;
    *(uint8_t*)0x20000746 = 0;
    *(uint8_t*)0x20000747 = 0;
    *(uint8_t*)0x20000748 = 0;
    *(uint8_t*)0x20000749 = 0;
    *(uint8_t*)0x2000074a = 0;
    *(uint8_t*)0x2000074b = 0;
    *(uint8_t*)0x2000074c = 0;
    *(uint8_t*)0x2000074d = 0;
    *(uint8_t*)0x2000074e = 0;
    *(uint8_t*)0x2000074f = 0;
    *(uint8_t*)0x20000750 = 0;
    *(uint8_t*)0x20000751 = 0;
    *(uint8_t*)0x20000752 = 0;
    *(uint8_t*)0x20000753 = 0;
    *(uint8_t*)0x20000754 = 0;
    *(uint8_t*)0x20000755 = 0;
    *(uint8_t*)0x20000756 = 0;
    *(uint8_t*)0x20000757 = 0;
    *(uint8_t*)0x20000758 = 0;
    *(uint8_t*)0x20000759 = 0;
    *(uint8_t*)0x2000075a = 0;
    *(uint8_t*)0x2000075b = 0;
    *(uint8_t*)0x2000075c = 0;
    *(uint8_t*)0x2000075d = 0;
    *(uint8_t*)0x2000075e = 0;
    *(uint8_t*)0x2000075f = 0;
    *(uint8_t*)0x20000760 = 0;
    *(uint8_t*)0x20000761 = 0;
    *(uint8_t*)0x20000762 = 0;
    *(uint8_t*)0x20000763 = 0;
    *(uint8_t*)0x20000764 = -1;
    *(uint8_t*)0x20000765 = 1;
    *(uint8_t*)0x20000766 = 0;
    *(uint8_t*)0x20000767 = 0;
    *(uint8_t*)0x20000768 = 0;
    *(uint8_t*)0x20000769 = 0;
    *(uint8_t*)0x2000076a = 0;
    *(uint8_t*)0x2000076b = 0;
    *(uint8_t*)0x2000076c = 0;
    *(uint8_t*)0x2000076d = 0;
    *(uint8_t*)0x2000076e = 0;
    *(uint8_t*)0x2000076f = 0;
    *(uint8_t*)0x20000770 = 0;
    *(uint8_t*)0x20000771 = 0;
    *(uint8_t*)0x20000772 = 0;
    *(uint8_t*)0x20000773 = 1;
    *(uint8_t*)0x20000774 = 0xfe;
    *(uint8_t*)0x20000775 = 0x80;
    *(uint8_t*)0x20000776 = 0;
    *(uint8_t*)0x20000777 = 0;
    *(uint8_t*)0x20000778 = 0;
    *(uint8_t*)0x20000779 = 0;
    *(uint8_t*)0x2000077a = 0;
    *(uint8_t*)0x2000077b = 0;
    *(uint8_t*)0x2000077c = 0;
    *(uint8_t*)0x2000077d = 0;
    *(uint8_t*)0x2000077e = 0;
    *(uint8_t*)0x2000077f = 0;
    *(uint8_t*)0x20000780 = 0;
    *(uint8_t*)0x20000781 = 0;
    *(uint8_t*)0x20000782 = 0;
    *(uint8_t*)0x20000783 = 0xb;
    *(uint8_t*)0x20000784 = -1;
    *(uint8_t*)0x20000785 = 2;
    *(uint8_t*)0x20000786 = 0;
    *(uint8_t*)0x20000787 = 0;
    *(uint8_t*)0x20000788 = 0;
    *(uint8_t*)0x20000789 = 0;
    *(uint8_t*)0x2000078a = 0;
    *(uint8_t*)0x2000078b = 0;
    *(uint8_t*)0x2000078c = 0;
    *(uint8_t*)0x2000078d = 0;
    *(uint8_t*)0x2000078e = 0;
    *(uint8_t*)0x2000078f = 0;
    *(uint8_t*)0x20000790 = 0;
    *(uint8_t*)0x20000791 = 0;
    *(uint8_t*)0x20000792 = 0;
    *(uint8_t*)0x20000793 = 1;
    *(uint8_t*)0x20000794 = 0;
    *(uint8_t*)0x20000795 = 0;
    *(uint8_t*)0x20000796 = 0;
    *(uint8_t*)0x20000797 = 0;
    *(uint8_t*)0x20000798 = 0;
    *(uint8_t*)0x20000799 = 0;
    *(uint8_t*)0x2000079a = 0;
    *(uint8_t*)0x2000079b = 0;
    *(uint8_t*)0x2000079c = 0;
    *(uint8_t*)0x2000079d = 0;
    *(uint8_t*)0x2000079e = -1;
    *(uint8_t*)0x2000079f = -1;
    *(uint32_t*)0x200007a0 = htobe32(0);
    *(uint8_t*)0x200007a4 = 0;
    *(uint8_t*)0x200007a5 = 0;
    *(uint8_t*)0x200007a6 = 0;
    *(uint8_t*)0x200007a7 = 0;
    *(uint8_t*)0x200007a8 = 0;
    *(uint8_t*)0x200007a9 = 0;
    *(uint8_t*)0x200007aa = 0;
    *(uint8_t*)0x200007ab = 0;
    *(uint8_t*)0x200007ac = 0;
    *(uint8_t*)0x200007ad = 0;
    *(uint8_t*)0x200007ae = -1;
    *(uint8_t*)0x200007af = -1;
    *(uint8_t*)0x200007b0 = 0xac;
    *(uint8_t*)0x200007b1 = 0x14;
    *(uint8_t*)0x200007b2 = 0x14;
    *(uint8_t*)0x200007b3 = 0xaa;
    *(uint8_t*)0x200007b4 = 0;
    *(uint8_t*)0x200007b5 = 0;
    *(uint8_t*)0x200007b6 = 0;
    *(uint8_t*)0x200007b7 = 0;
    *(uint8_t*)0x200007b8 = 0;
    *(uint8_t*)0x200007b9 = 0;
    *(uint8_t*)0x200007ba = 0;
    *(uint8_t*)0x200007bb = 0;
    *(uint8_t*)0x200007bc = 0;
    *(uint8_t*)0x200007bd = 0;
    *(uint8_t*)0x200007be = -1;
    *(uint8_t*)0x200007bf = -1;
    *(uint8_t*)0x200007c0 = 0xac;
    *(uint8_t*)0x200007c1 = 0x1e;
    *(uint8_t*)0x200007c2 = 1;
    *(uint8_t*)0x200007c3 = 1;
    *(uint8_t*)0x200007c4 = 0xfe;
    *(uint8_t*)0x200007c5 = 0x80;
    *(uint8_t*)0x200007c6 = 0;
    *(uint8_t*)0x200007c7 = 0;
    *(uint8_t*)0x200007c8 = 0;
    *(uint8_t*)0x200007c9 = 0;
    *(uint8_t*)0x200007ca = 0;
    *(uint8_t*)0x200007cb = 0;
    *(uint8_t*)0x200007cc = 0;
    *(uint8_t*)0x200007cd = 0;
    *(uint8_t*)0x200007ce = 0;
    *(uint8_t*)0x200007cf = 0;
    *(uint8_t*)0x200007d0 = 0;
    *(uint8_t*)0x200007d1 = 0;
    *(uint8_t*)0x200007d2 = 0;
    *(uint8_t*)0x200007d3 = 0xe;
    *(uint8_t*)0x200007d4 = -1;
    *(uint8_t*)0x200007d5 = 1;
    *(uint8_t*)0x200007d6 = 0;
    *(uint8_t*)0x200007d7 = 0;
    *(uint8_t*)0x200007d8 = 0;
    *(uint8_t*)0x200007d9 = 0;
    *(uint8_t*)0x200007da = 0;
    *(uint8_t*)0x200007db = 0;
    *(uint8_t*)0x200007dc = 0;
    *(uint8_t*)0x200007dd = 0;
    *(uint8_t*)0x200007de = 0;
    *(uint8_t*)0x200007df = 0;
    *(uint8_t*)0x200007e0 = 0;
    *(uint8_t*)0x200007e1 = 0;
    *(uint8_t*)0x200007e2 = 0;
    *(uint8_t*)0x200007e3 = 1;
    *(uint8_t*)0x200007e4 = 0xfe;
    *(uint8_t*)0x200007e5 = 0x80;
    *(uint8_t*)0x200007e6 = 0;
    *(uint8_t*)0x200007e7 = 0;
    *(uint8_t*)0x200007e8 = 0;
    *(uint8_t*)0x200007e9 = 0;
    *(uint8_t*)0x200007ea = 0;
    *(uint8_t*)0x200007eb = 0;
    *(uint8_t*)0x200007ec = 0;
    *(uint8_t*)0x200007ed = 0;
    *(uint8_t*)0x200007ee = 0;
    *(uint8_t*)0x200007ef = 0;
    *(uint8_t*)0x200007f0 = 0;
    *(uint8_t*)0x200007f1 = 0;
    *(uint8_t*)0x200007f2 = 0;
    *(uint8_t*)0x200007f3 = 0xaa;
    memcpy((void*)0x200007f4,
           "\x85\xf9\xb0\xc3\x52\xab\x97\xa6\x17\xde\x29\x51\x57\xf9\x84\x6b",
           16);
    *(uint8_t*)0x20000804 = 0xfe;
    *(uint8_t*)0x20000805 = 0x80;
    *(uint8_t*)0x20000806 = 0;
    *(uint8_t*)0x20000807 = 0;
    *(uint8_t*)0x20000808 = 0;
    *(uint8_t*)0x20000809 = 0;
    *(uint8_t*)0x2000080a = 0;
    *(uint8_t*)0x2000080b = 0;
    *(uint8_t*)0x2000080c = 0;
    *(uint8_t*)0x2000080d = 0;
    *(uint8_t*)0x2000080e = 0;
    *(uint8_t*)0x2000080f = 0;
    *(uint8_t*)0x20000810 = 0;
    *(uint8_t*)0x20000811 = 0;
    *(uint8_t*)0x20000812 = 0;
    *(uint8_t*)0x20000813 = 0x21;
    *(uint8_t*)0x20000814 = 0;
    *(uint8_t*)0x20000815 = 0;
    *(uint8_t*)0x20000816 = 0;
    *(uint8_t*)0x20000817 = 0;
    *(uint8_t*)0x20000818 = 0;
    *(uint8_t*)0x20000819 = 0;
    *(uint8_t*)0x2000081a = 0;
    *(uint8_t*)0x2000081b = 0;
    *(uint8_t*)0x2000081c = 0;
    *(uint8_t*)0x2000081d = 0;
    *(uint8_t*)0x2000081e = -1;
    *(uint8_t*)0x2000081f = -1;
    *(uint8_t*)0x20000820 = 0xac;
    *(uint8_t*)0x20000821 = 0x1e;
    *(uint8_t*)0x20000822 = 0;
    *(uint8_t*)0x20000823 = 1;
    *(uint8_t*)0x20000824 = -1;
    *(uint8_t*)0x20000825 = 2;
    *(uint8_t*)0x20000826 = 0;
    *(uint8_t*)0x20000827 = 0;
    *(uint8_t*)0x20000828 = 0;
    *(uint8_t*)0x20000829 = 0;
    *(uint8_t*)0x2000082a = 0;
    *(uint8_t*)0x2000082b = 0;
    *(uint8_t*)0x2000082c = 0;
    *(uint8_t*)0x2000082d = 0;
    *(uint8_t*)0x2000082e = 0;
    *(uint8_t*)0x2000082f = 0;
    *(uint8_t*)0x20000830 = 0;
    *(uint8_t*)0x20000831 = 0;
    *(uint8_t*)0x20000832 = 0;
    *(uint8_t*)0x20000833 = 1;
    *(uint8_t*)0x20000834 = 0xfe;
    *(uint8_t*)0x20000835 = 0x80;
    *(uint8_t*)0x20000836 = 0;
    *(uint8_t*)0x20000837 = 0;
    *(uint8_t*)0x20000838 = 0;
    *(uint8_t*)0x20000839 = 0;
    *(uint8_t*)0x2000083a = 0;
    *(uint8_t*)0x2000083b = 0;
    *(uint8_t*)0x2000083c = 0;
    *(uint8_t*)0x2000083d = 0;
    *(uint8_t*)0x2000083e = 0;
    *(uint8_t*)0x2000083f = 0;
    *(uint8_t*)0x20000840 = 0;
    *(uint8_t*)0x20000841 = 0;
    *(uint8_t*)0x20000842 = 0;
    *(uint8_t*)0x20000843 = 0xbb;
    *(uint8_t*)0x20000844 = 5;
    *(uint16_t*)0x20000848 = 0x38;
    memcpy((void*)0x2000084a, "SET\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000",
           29);
    *(uint8_t*)0x20000867 = 3;
    *(uint16_t*)0x20000868 = 0x8000;
    *(uint8_t*)0x2000086a = 0;
    *(uint8_t*)0x2000086b = 0x81;
    *(uint16_t*)0x2000086c = 8;
    *(uint8_t*)0x2000086e = 0xb;
    *(uint8_t*)0x2000086f = 5;
    *(uint16_t*)0x20000870 = 5;
    *(uint8_t*)0x20000872 = 0x42;
    *(uint8_t*)0x20000873 = 3;
    *(uint32_t*)0x20000874 = 7;
    *(uint32_t*)0x20000878 = 0x8d;
    *(uint8_t*)0x20000880 = 0;
    *(uint8_t*)0x20000881 = 0;
    *(uint8_t*)0x20000882 = 0;
    *(uint8_t*)0x20000883 = 0;
    *(uint8_t*)0x20000884 = 0;
    *(uint8_t*)0x20000885 = 0;
    *(uint8_t*)0x20000886 = 0;
    *(uint8_t*)0x20000887 = 0;
    *(uint8_t*)0x20000888 = 0;
    *(uint8_t*)0x20000889 = 0;
    *(uint8_t*)0x2000088a = 0;
    *(uint8_t*)0x2000088b = 0;
    *(uint8_t*)0x2000088c = 0;
    *(uint8_t*)0x2000088d = 0;
    *(uint8_t*)0x2000088e = 0;
    *(uint8_t*)0x2000088f = 0;
    *(uint8_t*)0x20000890 = 0;
    *(uint8_t*)0x20000891 = 0;
    *(uint8_t*)0x20000892 = 0;
    *(uint8_t*)0x20000893 = 0;
    *(uint8_t*)0x20000894 = 0;
    *(uint8_t*)0x20000895 = 0;
    *(uint8_t*)0x20000896 = 0;
    *(uint8_t*)0x20000897 = 0;
    *(uint8_t*)0x20000898 = 0;
    *(uint8_t*)0x20000899 = 0;
    *(uint8_t*)0x2000089a = 0;
    *(uint8_t*)0x2000089b = 0;
    *(uint8_t*)0x2000089c = 0;
    *(uint8_t*)0x2000089d = 0;
    *(uint8_t*)0x2000089e = 0;
    *(uint8_t*)0x2000089f = 0;
    *(uint8_t*)0x200008a0 = 0;
    *(uint8_t*)0x200008a1 = 0;
    *(uint8_t*)0x200008a2 = 0;
    *(uint8_t*)0x200008a3 = 0;
    *(uint8_t*)0x200008a4 = 0;
    *(uint8_t*)0x200008a5 = 0;
    *(uint8_t*)0x200008a6 = 0;
    *(uint8_t*)0x200008a7 = 0;
    *(uint8_t*)0x200008a8 = 0;
    *(uint8_t*)0x200008a9 = 0;
    *(uint8_t*)0x200008aa = 0;
    *(uint8_t*)0x200008ab = 0;
    *(uint8_t*)0x200008ac = 0;
    *(uint8_t*)0x200008ad = 0;
    *(uint8_t*)0x200008ae = 0;
    *(uint8_t*)0x200008af = 0;
    *(uint8_t*)0x200008b0 = 0;
    *(uint8_t*)0x200008b1 = 0;
    *(uint8_t*)0x200008b2 = 0;
    *(uint8_t*)0x200008b3 = 0;
    *(uint8_t*)0x200008b4 = 0;
    *(uint8_t*)0x200008b5 = 0;
    *(uint8_t*)0x200008b6 = 0;
    *(uint8_t*)0x200008b7 = 0;
    *(uint8_t*)0x200008b8 = 0;
    *(uint8_t*)0x200008b9 = 0;
    *(uint8_t*)0x200008ba = 0;
    *(uint8_t*)0x200008bb = 0;
    *(uint8_t*)0x200008bc = 0;
    *(uint8_t*)0x200008bd = 0;
    *(uint8_t*)0x200008be = 0;
    *(uint8_t*)0x200008bf = 0;
    *(uint8_t*)0x200008c0 = 0;
    *(uint8_t*)0x200008c1 = 0;
    *(uint8_t*)0x200008c2 = 0;
    *(uint8_t*)0x200008c3 = 0;
    *(uint8_t*)0x200008c4 = 0;
    *(uint8_t*)0x200008c5 = 0;
    *(uint8_t*)0x200008c6 = 0;
    *(uint8_t*)0x200008c7 = 0;
    *(uint8_t*)0x200008c8 = 0;
    *(uint8_t*)0x200008c9 = 0;
    *(uint8_t*)0x200008ca = 0;
    *(uint8_t*)0x200008cb = 0;
    *(uint8_t*)0x200008cc = 0;
    *(uint8_t*)0x200008cd = 0;
    *(uint8_t*)0x200008ce = 0;
    *(uint8_t*)0x200008cf = 0;
    *(uint8_t*)0x200008d0 = 0;
    *(uint8_t*)0x200008d1 = 0;
    *(uint8_t*)0x200008d2 = 0;
    *(uint8_t*)0x200008d3 = 0;
    *(uint8_t*)0x200008d4 = 0;
    *(uint8_t*)0x200008d5 = 0;
    *(uint8_t*)0x200008d6 = 0;
    *(uint8_t*)0x200008d7 = 0;
    *(uint8_t*)0x200008d8 = 0;
    *(uint8_t*)0x200008d9 = 0;
    *(uint8_t*)0x200008da = 0;
    *(uint8_t*)0x200008db = 0;
    *(uint8_t*)0x200008dc = 0;
    *(uint8_t*)0x200008dd = 0;
    *(uint8_t*)0x200008de = 0;
    *(uint8_t*)0x200008df = 0;
    *(uint8_t*)0x200008e0 = 0;
    *(uint8_t*)0x200008e1 = 0;
    *(uint8_t*)0x200008e2 = 0;
    *(uint8_t*)0x200008e3 = 0;
    *(uint8_t*)0x200008e4 = 0;
    *(uint8_t*)0x200008e5 = 0;
    *(uint8_t*)0x200008e6 = 0;
    *(uint8_t*)0x200008e7 = 0;
    *(uint8_t*)0x200008e8 = 0;
    *(uint8_t*)0x200008e9 = 0;
    *(uint8_t*)0x200008ea = 0;
    *(uint8_t*)0x200008eb = 0;
    *(uint8_t*)0x200008ec = 0;
    *(uint8_t*)0x200008ed = 0;
    *(uint8_t*)0x200008ee = 0;
    *(uint8_t*)0x200008ef = 0;
    *(uint8_t*)0x200008f0 = 0;
    *(uint8_t*)0x200008f1 = 0;
    *(uint8_t*)0x200008f2 = 0;
    *(uint8_t*)0x200008f3 = 0;
    *(uint8_t*)0x200008f4 = 0;
    *(uint8_t*)0x200008f5 = 0;
    *(uint8_t*)0x200008f6 = 0;
    *(uint8_t*)0x200008f7 = 0;
    *(uint8_t*)0x200008f8 = 0;
    *(uint8_t*)0x200008f9 = 0;
    *(uint8_t*)0x200008fa = 0;
    *(uint8_t*)0x200008fb = 0;
    *(uint8_t*)0x200008fc = 0;
    *(uint8_t*)0x200008fd = 0;
    *(uint8_t*)0x200008fe = 0;
    *(uint8_t*)0x200008ff = 0;
    *(uint8_t*)0x20000900 = 0;
    *(uint8_t*)0x20000901 = 0;
    *(uint8_t*)0x20000902 = 0;
    *(uint8_t*)0x20000903 = 0;
    *(uint8_t*)0x20000904 = 0;
    *(uint8_t*)0x20000905 = 0;
    *(uint8_t*)0x20000906 = 0;
    *(uint8_t*)0x20000907 = 0;
    *(uint32_t*)0x20000928 = 0;
    *(uint16_t*)0x2000092c = 0xf0;
    *(uint16_t*)0x2000092e = 0x118;
    *(uint32_t*)0x20000930 = 0;
    *(uint64_t*)0x20000938 = 0;
    *(uint64_t*)0x20000940 = 0;
    *(uint16_t*)0x20000948 = 0x28;
    memcpy((void*)0x2000094a, "icmp6\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000",
           29);
    *(uint8_t*)0x20000967 = 0;
    *(uint8_t*)0x20000968 = 0x1f;
    *(uint8_t*)0x20000969 = 0x1b;
    *(uint8_t*)0x2000096a = -1;
    *(uint8_t*)0x2000096b = 0;
    *(uint16_t*)0x20000970 = 0x28;
    memcpy((void*)0x20000972, "REJECT\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000",
           29);
    *(uint8_t*)0x2000098f = 0;
    *(uint32_t*)0x20000990 = 0;
    memcpy((void*)0x20000998,
           "\x90\x17\xf2\xe1\xc9\x79\x34\xf6\x03\x49\x37\xed\x70\x52\x3a\x78",
           16);
    *(uint8_t*)0x200009a8 = 0;
    *(uint8_t*)0x200009a9 = 0;
    *(uint8_t*)0x200009aa = 0;
    *(uint8_t*)0x200009ab = 0;
    *(uint8_t*)0x200009ac = 0;
    *(uint8_t*)0x200009ad = 0;
    *(uint8_t*)0x200009ae = 0;
    *(uint8_t*)0x200009af = 0;
    *(uint8_t*)0x200009b0 = 0;
    *(uint8_t*)0x200009b1 = 0;
    *(uint8_t*)0x200009b2 = 0;
    *(uint8_t*)0x200009b3 = 0;
    *(uint8_t*)0x200009b4 = 0;
    *(uint8_t*)0x200009b5 = 0;
    *(uint8_t*)0x200009b6 = 0;
    *(uint8_t*)0x200009b7 = 0;
    *(uint32_t*)0x200009b8 = htobe32(-1);
    *(uint32_t*)0x200009bc = htobe32(-1);
    *(uint32_t*)0x200009c0 = htobe32(-1);
    *(uint32_t*)0x200009c4 = htobe32(0xffffff00);
    *(uint32_t*)0x200009c8 = htobe32(0xff);
    *(uint32_t*)0x200009cc = htobe32(0xff);
    *(uint32_t*)0x200009d0 = htobe32(0);
    *(uint32_t*)0x200009d4 = htobe32(0);
    memcpy((void*)0x200009d8,
           "caif0\000\000\000\000\000\000\000\000\000\000\000", 16);
    memcpy((void*)0x200009e8, "nlmon0\000\000\000\000\000\000\000\000\000\000",
           16);
    *(uint8_t*)0x20000a01 = -1;
    *(uint8_t*)0x20000a1f = -1;
    *(uint16_t*)0x20000a30 = 0x2e;
    *(uint8_t*)0x20000a32 = 0xbc;
    *(uint8_t*)0x20000a33 = 4;
    *(uint8_t*)0x20000a34 = 0x40;
    *(uint32_t*)0x20000a40 = 0;
    *(uint16_t*)0x20000a44 = 0x110;
    *(uint16_t*)0x20000a46 = 0x138;
    *(uint32_t*)0x20000a48 = 0;
    *(uint64_t*)0x20000a50 = 0;
    *(uint64_t*)0x20000a58 = 0;
    *(uint16_t*)0x20000a60 = 0x48;
    memcpy((void*)0x20000a62, "hbh\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000",
           29);
    *(uint8_t*)0x20000a7f = 0;
    *(uint32_t*)0x20000a80 = 0;
    *(uint8_t*)0x20000a84 = 5;
    *(uint8_t*)0x20000a85 = 1;
    *(uint16_t*)0x20000a86 = 0;
    *(uint16_t*)0x20000a88 = 7;
    *(uint16_t*)0x20000a8a = 0xfbff;
    *(uint16_t*)0x20000a8c = 9;
    *(uint16_t*)0x20000a8e = 0xcc9c;
    *(uint16_t*)0x20000a90 = 0x47a2;
    *(uint16_t*)0x20000a92 = 0xb9;
    *(uint16_t*)0x20000a94 = 1;
    *(uint16_t*)0x20000a96 = 2;
    *(uint16_t*)0x20000a98 = 8;
    *(uint16_t*)0x20000a9a = 7;
    *(uint16_t*)0x20000a9c = 0xe9c6;
    *(uint16_t*)0x20000a9e = 0x179;
    *(uint16_t*)0x20000aa0 = 0;
    *(uint16_t*)0x20000aa2 = 0;
    *(uint16_t*)0x20000aa4 = 0;
    *(uint8_t*)0x20000aa6 = 0xd;
    *(uint16_t*)0x20000aa8 = 0x28;
    memcpy((void*)0x20000aaa, "MARK\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000",
           29);
    *(uint8_t*)0x20000ac7 = 2;
    *(uint32_t*)0x20000ac8 = 6;
    *(uint32_t*)0x20000acc = 7;
    *(uint8_t*)0x20000ad0 = 0;
    *(uint8_t*)0x20000ad1 = 0;
    *(uint8_t*)0x20000ad2 = 0;
    *(uint8_t*)0x20000ad3 = 0;
    *(uint8_t*)0x20000ad4 = 0;
    *(uint8_t*)0x20000ad5 = 0;
    *(uint8_t*)0x20000ad6 = 0;
    *(uint8_t*)0x20000ad7 = 0;
    *(uint8_t*)0x20000ad8 = 0;
    *(uint8_t*)0x20000ad9 = 0;
    *(uint8_t*)0x20000ada = 0;
    *(uint8_t*)0x20000adb = 0;
    *(uint8_t*)0x20000adc = 0;
    *(uint8_t*)0x20000add = 0;
    *(uint8_t*)0x20000ade = 0;
    *(uint8_t*)0x20000adf = 0;
    *(uint8_t*)0x20000ae0 = 0;
    *(uint8_t*)0x20000ae1 = 0;
    *(uint8_t*)0x20000ae2 = 0;
    *(uint8_t*)0x20000ae3 = 0;
    *(uint8_t*)0x20000ae4 = 0;
    *(uint8_t*)0x20000ae5 = 0;
    *(uint8_t*)0x20000ae6 = 0;
    *(uint8_t*)0x20000ae7 = 0;
    *(uint8_t*)0x20000ae8 = 0;
    *(uint8_t*)0x20000ae9 = 0;
    *(uint8_t*)0x20000aea = 0;
    *(uint8_t*)0x20000aeb = 0;
    *(uint8_t*)0x20000aec = 0;
    *(uint8_t*)0x20000aed = 0;
    *(uint8_t*)0x20000aee = 0;
    *(uint8_t*)0x20000aef = 0;
    *(uint8_t*)0x20000af0 = 0;
    *(uint8_t*)0x20000af1 = 0;
    *(uint8_t*)0x20000af2 = 0;
    *(uint8_t*)0x20000af3 = 0;
    *(uint8_t*)0x20000af4 = 0;
    *(uint8_t*)0x20000af5 = 0;
    *(uint8_t*)0x20000af6 = 0;
    *(uint8_t*)0x20000af7 = 0;
    *(uint8_t*)0x20000af8 = 0;
    *(uint8_t*)0x20000af9 = 0;
    *(uint8_t*)0x20000afa = 0;
    *(uint8_t*)0x20000afb = 0;
    *(uint8_t*)0x20000afc = 0;
    *(uint8_t*)0x20000afd = 0;
    *(uint8_t*)0x20000afe = 0;
    *(uint8_t*)0x20000aff = 0;
    *(uint8_t*)0x20000b00 = 0;
    *(uint8_t*)0x20000b01 = 0;
    *(uint8_t*)0x20000b02 = 0;
    *(uint8_t*)0x20000b03 = 0;
    *(uint8_t*)0x20000b04 = 0;
    *(uint8_t*)0x20000b05 = 0;
    *(uint8_t*)0x20000b06 = 0;
    *(uint8_t*)0x20000b07 = 0;
    *(uint8_t*)0x20000b08 = 0;
    *(uint8_t*)0x20000b09 = 0;
    *(uint8_t*)0x20000b0a = 0;
    *(uint8_t*)0x20000b0b = 0;
    *(uint8_t*)0x20000b0c = 0;
    *(uint8_t*)0x20000b0d = 0;
    *(uint8_t*)0x20000b0e = 0;
    *(uint8_t*)0x20000b0f = 0;
    *(uint8_t*)0x20000b10 = 0;
    *(uint8_t*)0x20000b11 = 0;
    *(uint8_t*)0x20000b12 = 0;
    *(uint8_t*)0x20000b13 = 0;
    *(uint8_t*)0x20000b14 = 0;
    *(uint8_t*)0x20000b15 = 0;
    *(uint8_t*)0x20000b16 = 0;
    *(uint8_t*)0x20000b17 = 0;
    *(uint8_t*)0x20000b18 = 0;
    *(uint8_t*)0x20000b19 = 0;
    *(uint8_t*)0x20000b1a = 0;
    *(uint8_t*)0x20000b1b = 0;
    *(uint8_t*)0x20000b1c = 0;
    *(uint8_t*)0x20000b1d = 0;
    *(uint8_t*)0x20000b1e = 0;
    *(uint8_t*)0x20000b1f = 0;
    *(uint8_t*)0x20000b20 = 0;
    *(uint8_t*)0x20000b21 = 0;
    *(uint8_t*)0x20000b22 = 0;
    *(uint8_t*)0x20000b23 = 0;
    *(uint8_t*)0x20000b24 = 0;
    *(uint8_t*)0x20000b25 = 0;
    *(uint8_t*)0x20000b26 = 0;
    *(uint8_t*)0x20000b27 = 0;
    *(uint8_t*)0x20000b28 = 0;
    *(uint8_t*)0x20000b29 = 0;
    *(uint8_t*)0x20000b2a = 0;
    *(uint8_t*)0x20000b2b = 0;
    *(uint8_t*)0x20000b2c = 0;
    *(uint8_t*)0x20000b2d = 0;
    *(uint8_t*)0x20000b2e = 0;
    *(uint8_t*)0x20000b2f = 0;
    *(uint8_t*)0x20000b30 = 0;
    *(uint8_t*)0x20000b31 = 0;
    *(uint8_t*)0x20000b32 = 0;
    *(uint8_t*)0x20000b33 = 0;
    *(uint8_t*)0x20000b34 = 0;
    *(uint8_t*)0x20000b35 = 0;
    *(uint8_t*)0x20000b36 = 0;
    *(uint8_t*)0x20000b37 = 0;
    *(uint8_t*)0x20000b38 = 0;
    *(uint8_t*)0x20000b39 = 0;
    *(uint8_t*)0x20000b3a = 0;
    *(uint8_t*)0x20000b3b = 0;
    *(uint8_t*)0x20000b3c = 0;
    *(uint8_t*)0x20000b3d = 0;
    *(uint8_t*)0x20000b3e = 0;
    *(uint8_t*)0x20000b3f = 0;
    *(uint8_t*)0x20000b40 = 0;
    *(uint8_t*)0x20000b41 = 0;
    *(uint8_t*)0x20000b42 = 0;
    *(uint8_t*)0x20000b43 = 0;
    *(uint8_t*)0x20000b44 = 0;
    *(uint8_t*)0x20000b45 = 0;
    *(uint8_t*)0x20000b46 = 0;
    *(uint8_t*)0x20000b47 = 0;
    *(uint8_t*)0x20000b48 = 0;
    *(uint8_t*)0x20000b49 = 0;
    *(uint8_t*)0x20000b4a = 0;
    *(uint8_t*)0x20000b4b = 0;
    *(uint8_t*)0x20000b4c = 0;
    *(uint8_t*)0x20000b4d = 0;
    *(uint8_t*)0x20000b4e = 0;
    *(uint8_t*)0x20000b4f = 0;
    *(uint8_t*)0x20000b50 = 0;
    *(uint8_t*)0x20000b51 = 0;
    *(uint8_t*)0x20000b52 = 0;
    *(uint8_t*)0x20000b53 = 0;
    *(uint8_t*)0x20000b54 = 0;
    *(uint8_t*)0x20000b55 = 0;
    *(uint8_t*)0x20000b56 = 0;
    *(uint8_t*)0x20000b57 = 0;
    *(uint32_t*)0x20000b58 = 0;
    *(uint16_t*)0x20000b5c = 0xa8;
    *(uint16_t*)0x20000b5e = 0xd0;
    *(uint32_t*)0x20000b60 = 0;
    *(uint64_t*)0x20000b68 = 0;
    *(uint64_t*)0x20000b70 = 0;
    *(uint16_t*)0x20000b78 = 0x28;
    memcpy((void*)0x20000b7a, "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000",
           29);
    *(uint8_t*)0x20000b97 = 0;
    *(uint32_t*)0x20000b98 = 0xfffffffe;
    syscall(__NR_setsockopt, -1, 0x29, 0x40, 0x200005c0, 0x5e0);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  do_sandbox_none();
  return 0;
}