// https://syzkaller.appspot.com/bug?id=4e947674d10b0fb0cb94d4d723989cee439a71d6
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <endian.h>
#include <errno.h>
#include <linux/net.h>
#include <netinet/in.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <sys/prctl.h>
#include <sys/socket.h>
#include <sys/syscall.h>
#include <sys/time.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 <errno.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.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;
}

#define XT_TABLE_SIZE 1536
#define XT_MAX_ENTRIES 10

struct xt_counters {
  uint64_t pcnt, bcnt;
};

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[XT_TABLE_SIZE / sizeof(void*)];
};

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[XT_TABLE_SIZE];
};

struct ipt_table_desc {
  const char* name;
  struct ipt_getinfo info;
  struct ipt_replace replace;
};

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

static struct ipt_table_desc ipv6_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)

struct arpt_getinfo {
  char name[32];
  unsigned int valid_hooks;
  unsigned int hook_entry[3];
  unsigned int underflow[3];
  unsigned int num_entries;
  unsigned int size;
};

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

struct arpt_replace {
  char name[32];
  unsigned int valid_hooks;
  unsigned int num_entries;
  unsigned int size;
  unsigned int hook_entry[3];
  unsigned int underflow[3];
  unsigned int num_counters;
  struct xt_counters* counters;
  char entrytable[XT_TABLE_SIZE];
};

struct arpt_table_desc {
  const char* name;
  struct arpt_getinfo info;
  struct arpt_replace replace;
};

static struct arpt_table_desc arpt_tables[] = {
    {.name = "filter"},
};

#define ARPT_BASE_CTL 96
#define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL)
#define ARPT_SO_GET_INFO (ARPT_BASE_CTL)
#define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1)

static void checkpoint_iptables(struct ipt_table_desc* tables, int num_tables,
                                int family, int level)
{
  struct ipt_get_entries entries;
  socklen_t optlen;
  int fd, i;

  fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
  if (fd == -1)
    fail("socket(%d, SOCK_STREAM, IPPROTO_TCP)", family);
  for (i = 0; i < num_tables; i++) {
    struct ipt_table_desc* table = &tables[i];
    strcpy(table->info.name, table->name);
    strcpy(table->replace.name, table->name);
    optlen = sizeof(table->info);
    if (getsockopt(fd, level, 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->replace.entrytable))
      fail("table size is too large: %u", table->info.size);
    if (table->info.num_entries > XT_MAX_ENTRIES)
      fail("too many counters: %u", table->info.num_entries);
    memset(&entries, 0, sizeof(entries));
    strcpy(entries.name, table->name);
    entries.size = table->info.size;
    optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
    if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &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.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, entries.entrytable, table->info.size);
  }
  close(fd);
}

static void reset_iptables(struct ipt_table_desc* tables, int num_tables,
                           int family, int level)
{
  struct xt_counters counters[XT_MAX_ENTRIES];
  struct ipt_get_entries entries;
  struct ipt_getinfo info;
  socklen_t optlen;
  int fd, i;

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

static void checkpoint_arptables(void)
{
  struct arpt_get_entries entries;
  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(arpt_tables) / sizeof(arpt_tables[0]); i++) {
    struct arpt_table_desc* table = &arpt_tables[i];
    strcpy(table->info.name, table->name);
    strcpy(table->replace.name, table->name);
    optlen = sizeof(table->info);
    if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &table->info, &optlen)) {
      switch (errno) {
      case EPERM:
      case ENOENT:
      case ENOPROTOOPT:
        continue;
      }
      fail("getsockopt(ARPT_SO_GET_INFO)");
    }
    if (table->info.size > sizeof(table->replace.entrytable))
      fail("table size is too large: %u", table->info.size);
    if (table->info.num_entries > XT_MAX_ENTRIES)
      fail("too many counters: %u", table->info.num_entries);
    memset(&entries, 0, sizeof(entries));
    strcpy(entries.name, table->name);
    entries.size = table->info.size;
    optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
    if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
      fail("getsockopt(ARPT_SO_GET_ENTRIES)");
    table->replace.valid_hooks = table->info.valid_hooks;
    table->replace.num_entries = table->info.num_entries;
    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, entries.entrytable, table->info.size);
  }
  close(fd);
}

static void reset_arptables()
{
  struct xt_counters counters[XT_MAX_ENTRIES];
  struct arpt_get_entries entries;
  struct arpt_getinfo info;
  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(arpt_tables) / sizeof(arpt_tables[0]); i++) {
    struct arpt_table_desc* table = &arpt_tables[i];
    if (table->info.valid_hooks == 0)
      continue;
    memset(&info, 0, sizeof(info));
    strcpy(info.name, table->name);
    optlen = sizeof(info);
    if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &info, &optlen))
      fail("getsockopt(ARPT_SO_GET_INFO)");
    if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
      memset(&entries, 0, sizeof(entries));
      strcpy(entries.name, table->name);
      entries.size = table->info.size;
      optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
      if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
        fail("getsockopt(ARPT_SO_GET_ENTRIES)");
      if (memcmp(table->replace.entrytable, entries.entrytable,
                 table->info.size) == 0)
        continue;
    }
    table->replace.num_counters = info.num_entries;
    table->replace.counters = counters;
    optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
             table->replace.size;
    if (setsockopt(fd, SOL_IP, ARPT_SO_SET_REPLACE, &table->replace, optlen))
      fail("setsockopt(ARPT_SO_SET_REPLACE)");
  }
  close(fd);
}
#include <linux/if.h>
#include <linux/netfilter_bridge/ebtables.h>

struct ebt_table_desc {
  const char* name;
  struct ebt_replace replace;
  char entrytable[XT_TABLE_SIZE];
};

static struct ebt_table_desc ebt_tables[] = {
    {.name = "filter"}, {.name = "nat"}, {.name = "broute"},
};

static void checkpoint_ebtables(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(ebt_tables) / sizeof(ebt_tables[0]); i++) {
    struct ebt_table_desc* table = &ebt_tables[i];
    strcpy(table->replace.name, table->name);
    optlen = sizeof(table->replace);
    if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_INFO, &table->replace,
                   &optlen)) {
      switch (errno) {
      case EPERM:
      case ENOENT:
      case ENOPROTOOPT:
        continue;
      }
      fail("getsockopt(EBT_SO_GET_INIT_INFO)");
    }
    if (table->replace.entries_size > sizeof(table->entrytable))
      fail("table size is too large: %u", table->replace.entries_size);
    table->replace.num_counters = 0;
    table->replace.entries = table->entrytable;
    optlen = sizeof(table->replace) + table->replace.entries_size;
    if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_ENTRIES, &table->replace,
                   &optlen))
      fail("getsockopt(EBT_SO_GET_INIT_ENTRIES)");
  }
  close(fd);
}

static void reset_ebtables()
{
  struct ebt_replace replace;
  char entrytable[XT_TABLE_SIZE];
  socklen_t optlen;
  unsigned i, j, h;
  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(ebt_tables) / sizeof(ebt_tables[0]); i++) {
    struct ebt_table_desc* table = &ebt_tables[i];
    if (table->replace.valid_hooks == 0)
      continue;
    memset(&replace, 0, sizeof(replace));
    strcpy(replace.name, table->name);
    optlen = sizeof(replace);
    if (getsockopt(fd, SOL_IP, EBT_SO_GET_INFO, &replace, &optlen))
      fail("getsockopt(EBT_SO_GET_INFO)");
    replace.num_counters = 0;
    for (h = 0; h < NF_BR_NUMHOOKS; h++)
      table->replace.hook_entry[h] = 0;
    if (memcmp(&table->replace, &replace, sizeof(table->replace)) == 0) {
      memset(&entrytable, 0, sizeof(entrytable));
      replace.entries = entrytable;
      optlen = sizeof(replace) + replace.entries_size;
      if (getsockopt(fd, SOL_IP, EBT_SO_GET_ENTRIES, &replace, &optlen))
        fail("getsockopt(EBT_SO_GET_ENTRIES)");
      if (memcmp(table->entrytable, entrytable, replace.entries_size) == 0)
        continue;
    }
    for (j = 0, h = 0; h < NF_BR_NUMHOOKS; h++) {
      if (table->replace.valid_hooks & (1 << h)) {
        table->replace.hook_entry[h] =
            (struct ebt_entries*)table->entrytable + j;
        j++;
      }
    }
    optlen = sizeof(table->replace) + table->replace.entries_size;
    if (setsockopt(fd, SOL_IP, EBT_SO_SET_ENTRIES, &table->replace, optlen))
      fail("setsockopt(EBT_SO_SET_ENTRIES)");
  }
  close(fd);
}

static void checkpoint_net_namespace(void)
{
  checkpoint_ebtables();
  checkpoint_arptables();
  checkpoint_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
                      AF_INET, SOL_IP);
  checkpoint_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
                      AF_INET6, SOL_IPV6);
}

static void reset_net_namespace(void)
{
  reset_ebtables();
  reset_arptables();
  reset_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
                 AF_INET, SOL_IP);
  reset_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
                 AF_INET6, SOL_IPV6);
}

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();
      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();
  }
}

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};
void test()
{
  long res;
  res = syscall(__NR_socket, 2, 2, 0x88);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20b9aff0 = 2;
  *(uint16_t*)0x20b9aff2 = htobe16(0x4e20);
  *(uint32_t*)0x20b9aff4 = htobe32(0);
  *(uint8_t*)0x20b9aff8 = 0;
  *(uint8_t*)0x20b9aff9 = 0;
  *(uint8_t*)0x20b9affa = 0;
  *(uint8_t*)0x20b9affb = 0;
  *(uint8_t*)0x20b9affc = 0;
  *(uint8_t*)0x20b9affd = 0;
  *(uint8_t*)0x20b9affe = 0;
  *(uint8_t*)0x20b9afff = 0;
  syscall(__NR_bind, r[0], 0x20b9aff0, 0x10);
  *(uint16_t*)0x20f7b000 = 2;
  *(uint16_t*)0x20f7b002 = htobe16(0x4e20);
  *(uint32_t*)0x20f7b004 = htobe32(0);
  *(uint8_t*)0x20f7b008 = 0;
  *(uint8_t*)0x20f7b009 = 0;
  *(uint8_t*)0x20f7b00a = 0;
  *(uint8_t*)0x20f7b00b = 0;
  *(uint8_t*)0x20f7b00c = 0;
  *(uint8_t*)0x20f7b00d = 0;
  *(uint8_t*)0x20f7b00e = 0;
  *(uint8_t*)0x20f7b00f = 0;
  syscall(__NR_sendto, r[0], 0x20347000, 0x390, 0x8084, 0x20f7b000, 0x10);
  *(uint16_t*)0x2082dff0 = 2;
  *(uint16_t*)0x2082dff2 = htobe16(0x4e20);
  *(uint8_t*)0x2082dff4 = 0xac;
  *(uint8_t*)0x2082dff5 = 0x14;
  *(uint8_t*)0x2082dff6 = -1;
  *(uint8_t*)0x2082dff7 = 0xaa;
  *(uint8_t*)0x2082dff8 = 0;
  *(uint8_t*)0x2082dff9 = 0;
  *(uint8_t*)0x2082dffa = 0;
  *(uint8_t*)0x2082dffb = 0;
  *(uint8_t*)0x2082dffc = 0;
  *(uint8_t*)0x2082dffd = 0;
  *(uint8_t*)0x2082dffe = 0;
  *(uint8_t*)0x2082dfff = 0;
  syscall(__NR_sendto, r[0], 0x208b3000, 0, 0, 0x2082dff0, 0x10);
  res = syscall(__NR_socket, 0xf, 3, 2);
  if (res != -1)
    r[1] = res;
  *(uint64_t*)0x20360000 = 0;
  *(uint32_t*)0x20360008 = 0;
  *(uint64_t*)0x20360010 = 0x2035d000;
  *(uint64_t*)0x2035d000 = 0x2033c000;
  *(uint8_t*)0x2033c000 = 2;
  *(uint8_t*)0x2033c001 = 0xd;
  *(uint8_t*)0x2033c002 = 0;
  *(uint8_t*)0x2033c003 = 0;
  *(uint16_t*)0x2033c004 = 0x10;
  *(uint16_t*)0x2033c006 = 0;
  *(uint32_t*)0x2033c008 = 0;
  *(uint32_t*)0x2033c00c = 0;
  *(uint16_t*)0x2033c010 = 3;
  *(uint16_t*)0x2033c012 = 6;
  *(uint8_t*)0x2033c014 = 0;
  *(uint8_t*)0x2033c015 = 0;
  *(uint16_t*)0x2033c016 = 0;
  *(uint16_t*)0x2033c018 = 2;
  *(uint16_t*)0x2033c01a = htobe16(0x4e20);
  *(uint32_t*)0x2033c01c = htobe32(0x7f000001);
  *(uint8_t*)0x2033c020 = 0;
  *(uint8_t*)0x2033c021 = 0;
  *(uint8_t*)0x2033c022 = 0;
  *(uint8_t*)0x2033c023 = 0;
  *(uint8_t*)0x2033c024 = 0;
  *(uint8_t*)0x2033c025 = 0;
  *(uint8_t*)0x2033c026 = 0;
  *(uint8_t*)0x2033c027 = 0;
  *(uint16_t*)0x2033c028 = 3;
  *(uint16_t*)0x2033c02a = 5;
  *(uint8_t*)0x2033c02c = 0;
  *(uint8_t*)0x2033c02d = 0;
  *(uint16_t*)0x2033c02e = 0;
  *(uint16_t*)0x2033c030 = 2;
  *(uint16_t*)0x2033c032 = htobe16(0x4e20);
  *(uint32_t*)0x2033c034 = htobe32(0);
  *(uint8_t*)0x2033c038 = 0;
  *(uint8_t*)0x2033c039 = 0;
  *(uint8_t*)0x2033c03a = 0;
  *(uint8_t*)0x2033c03b = 0;
  *(uint8_t*)0x2033c03c = 0;
  *(uint8_t*)0x2033c03d = 0;
  *(uint8_t*)0x2033c03e = 0;
  *(uint8_t*)0x2033c03f = 0;
  *(uint16_t*)0x2033c040 = 8;
  *(uint16_t*)0x2033c042 = 0x12;
  *(uint16_t*)0x2033c044 = 2;
  *(uint8_t*)0x2033c046 = 1;
  *(uint8_t*)0x2033c047 = 0;
  *(uint32_t*)0x2033c048 = 0;
  *(uint32_t*)0x2033c04c = 0;
  *(uint16_t*)0x2033c050 = 0x30;
  *(uint16_t*)0x2033c052 = 0;
  *(uint8_t*)0x2033c054 = 3;
  *(uint8_t*)0x2033c055 = 3;
  *(uint16_t*)0x2033c056 = 0;
  *(uint32_t*)0x2033c058 = 0;
  *(uint32_t*)0x2033c05c = 0;
  *(uint8_t*)0x2033c060 = -1;
  *(uint8_t*)0x2033c061 = 1;
  *(uint8_t*)0x2033c062 = 0;
  *(uint8_t*)0x2033c063 = 0;
  *(uint8_t*)0x2033c064 = 0;
  *(uint8_t*)0x2033c065 = 0;
  *(uint8_t*)0x2033c066 = 0;
  *(uint8_t*)0x2033c067 = 0;
  *(uint8_t*)0x2033c068 = 0;
  *(uint8_t*)0x2033c069 = 0;
  *(uint8_t*)0x2033c06a = 0;
  *(uint8_t*)0x2033c06b = 0;
  *(uint8_t*)0x2033c06c = 0;
  *(uint8_t*)0x2033c06d = 0;
  *(uint8_t*)0x2033c06e = 0;
  *(uint8_t*)0x2033c06f = 1;
  *(uint8_t*)0x2033c070 = 0;
  *(uint8_t*)0x2033c071 = 0;
  *(uint8_t*)0x2033c072 = 0;
  *(uint8_t*)0x2033c073 = 0;
  *(uint8_t*)0x2033c074 = 0;
  *(uint8_t*)0x2033c075 = 0;
  *(uint8_t*)0x2033c076 = 0;
  *(uint8_t*)0x2033c077 = 0;
  *(uint8_t*)0x2033c078 = 0;
  *(uint8_t*)0x2033c079 = 0;
  *(uint8_t*)0x2033c07a = -1;
  *(uint8_t*)0x2033c07b = -1;
  *(uint32_t*)0x2033c07c = htobe32(0xe0000001);
  *(uint64_t*)0x2035d008 = 0x80;
  *(uint64_t*)0x20360018 = 1;
  *(uint64_t*)0x20360020 = 0;
  *(uint64_t*)0x20360028 = 0;
  *(uint32_t*)0x20360030 = 0;
  syscall(__NR_sendmsg, r[1], 0x20360000, 0);
  *(uint32_t*)0x20000000 = 0;
  *(uint32_t*)0x20000004 = 0;
  *(uint32_t*)0x20000008 = 0;
  *(uint32_t*)0x2000000c = 0;
  *(uint32_t*)0x20000010 = 0;
  *(uint32_t*)0x20000014 = 0;
}

int main()
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  for (;;) {
    loop();
  }
}