// https://syzkaller.appspot.com/bug?id=beda27a527671ca5eba4f494098de01226c419c5
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <pthread.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

static void kill_and_wait(int pid, int* status)
{
  kill(pid, SIGKILL);
  while (waitpid(-1, status, 0) != pid) {
  }
}

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);
  if (pthread_create(&th, &attr, fn, arg))
    exit(1);
  pthread_attr_destroy(&attr);
}

typedef struct {
  pthread_mutex_t mu;
  pthread_cond_t cv;
  int state;
} event_t;

static void event_init(event_t* ev)
{
  if (pthread_mutex_init(&ev->mu, 0))
    exit(1);
  if (pthread_cond_init(&ev->cv, 0))
    exit(1);
  ev->state = 0;
}

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

static void event_set(event_t* ev)
{
  pthread_mutex_lock(&ev->mu);
  if (ev->state)
    exit(1);
  ev->state = 1;
  pthread_mutex_unlock(&ev->mu);
  pthread_cond_broadcast(&ev->cv);
}

static void event_wait(event_t* ev)
{
  pthread_mutex_lock(&ev->mu);
  while (!ev->state)
    pthread_cond_wait(&ev->cv, &ev->mu);
  pthread_mutex_unlock(&ev->mu);
}

static int event_isset(event_t* ev)
{
  pthread_mutex_lock(&ev->mu);
  int res = ev->state;
  pthread_mutex_unlock(&ev->mu);
  return res;
}

static int event_timedwait(event_t* ev, uint64_t timeout)
{
  uint64_t start = current_time_ms();
  uint64_t now = start;
  pthread_mutex_lock(&ev->mu);
  for (;;) {
    if (ev->state)
      break;
    uint64_t remain = timeout - (now - start);
    struct timespec ts;
    ts.tv_sec = remain / 1000;
    ts.tv_nsec = (remain % 1000) * 1000 * 1000;
    pthread_cond_timedwait(&ev->cv, &ev->mu, &ts);
    now = current_time_ms();
    if (now - start > timeout)
      break;
  }
  int res = ev->state;
  pthread_mutex_unlock(&ev->mu);
  return res;
}

#define __syscall syscall

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 execute_one(void)
{
  int i, call, thread;
  int collide = 0;
again:
  for (call = 0; call < 5; 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;
  }
}

static void execute_one(void);

#define WAIT_FLAGS 0

static void loop(void)
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_call(int call)
{
  long res;
  switch (call) {
  case 0:
    res = syscall(SYS_socket, 2, 2, 0);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    res = syscall(SYS_dup, r[0]);
    if (res != -1)
      r[1] = res;
    break;
  case 2:
    *(uint16_t*)0x20000000 = 0x282;
    memcpy((void*)0x20000002, "./file0\x00", 8);
    syscall(SYS_connect, r[0], 0x20000000, 0x10);
    break;
  case 3:
    *(uint64_t*)0x20000040 = 0;
    *(uint64_t*)0x20000048 = 0;
    *(uint64_t*)0x20000050 = 0x20000280;
    memcpy(
        (void*)0x20000280,
        "\xcc\x91\xc6\x55\x6c\x67\x98\x2d\x39\x0f\x85\xc8\xcf\x90\xd4\xb3\x9b"
        "\xf1\x82\x18\x8b\x3c\xbd\xf9\x00\x3a\x30\x23\x92\x1e\xf9\x27\x4c\x76"
        "\x5e\x6e\x5a\x83\x79\x14\xb0\x0d\xf5\xfc\x60\x8f\xe5\x11\x38\x62\xfd"
        "\x88\x79\xe0\xe9\xc3\x04\x54\xbe\x66\xd5\x3e\x82\xf9\x30\xf2\x46\xb3"
        "\x55\x59\xbf\x11\xd3\xab\x92\x7b\x34\xd8\xb6\xc8\x79\x1d\x71\x64\x43"
        "\x0f\x92\x3d\x30\x8e\x35\xc2\x43\x39\xa7\x7c\x9a\xe9\x30\x11\x65\x07"
        "\x1f\x4a\x71\x3f\x2b\xbf\x16\xcd\x60\xfc\x3c\xb3\x11\x68\x48\x2a\xc8"
        "\x60\xc0\x86\x50\x37\xf3\x46\x5f\x16\xa9\x90\x06\x1b\x0a\xe6\x53\xd6"
        "\x22\xe9\x84\x61\x7a\xea\x18\x0a\xb4\x10\x37\xbf\x95\x4a\x5e\x29\x39"
        "\xeb\xf5\x06\x26\x56\x1d\x59\x96\x42\x1e\x90\x50\xcc\xa4\xac\x0b\xa1"
        "\x3d\x99\xfd\xf3\x69\xc0\xcf\xdd\xfe\x85\x27\x7d\x9a\x58\x83\x42\x77"
        "\x9b\xa8\x06\x61\x53\xee\xad\x55\x9d\x8d\xf8\x18\xc8\x23\xd1\x2f\xdf"
        "\xfa\xe4\xff\x7a\xce\xe2\x78\xcd\x12\x7b\xf7\x88\xa9\x16\xbd\x3a\x54"
        "\xf7\x24\x8d\xc8\x7d\x1a\xba\x5e\x6e\xf7\x7d\xd5\x35\x66\x64\x01\x18"
        "\xca\x86\x01\xc3\xba\x5e\xab\xf1\x90\x90\xa5\xf7\xfa\x08\xb8\xca\x0a"
        "\xb6\x46\x02\xeb\x6d\xc0\x7e\x39\xca\x2b\x2f\x71\xde\x02\xf4\xc3\x08"
        "\x89\x07\xfd\xf3\xb1\x55\xc8\x33\xcb\xe2\x2c\xee\xaf\xea\xd8\xd0\x05"
        "\x17\xfd\x83\xe9\xa0\xb9\x83\xa4\x07\x06\x6a\x0d\x4c\xa1\xec\x43\xf0"
        "\x79\x49\xa1\xe5\x7b\xf8\x1d\x7f\x1c\x4b\xbb\x65\xc0\xac\x00\xda\x63"
        "\xa3\x4e\x60\xfb\xed\x24\x2c\xef\x56\xdf\x8f\x31\xb2\x3c\x7b\x8e\xf1"
        "\xe7\x00\x24\x12\xab\x2b\xa0\xec\x06\x78\x57\xf0\x1a\x25\x77\xba\x30"
        "\x2e\xdb\x8c\x30\xd2\xa8\xe7\x94\xae\x69\xfb\x0d\xd4\x5c\x0c\x69\x35"
        "\x57\x56\x1a\xb1\x51\xc9\x24\xf0\x45\x7b\xd9\x43\x07\x38\xfa\x3f\x1d"
        "\x11\x56\x2f\x01\xfc\x2d\x73\xc6\xc2\x43\xa0\x57\x01\xd8\xc3\x54\x3a"
        "\xde\x9b\xa5\xe2\xb5\x3e\x2a\x05\xeb\xbf\x03\x92\xfb\xf7\xb8\x7d\xf5"
        "\xea\xd5\x13\x20\xaa\x40\x0b\xbd\xff\x26\xa4\x0d\x57\x1b\xb5\x3b\x43"
        "\x33\x64\xa0\x8c\xb9\x91\xd2\xdd\x06\x60\xef\x5b\xa7\xed\x46\x04\x7d"
        "\x84\xb4\x2a\x94\x0b\x8c\x5d\xf5\x6c\x95\x81\x48\xfa\xe0\x20\x62\xd7"
        "\x54\x86\x04\xc8\x79\x82\x60\x8f\x08\x55\x60\x81\x1c\xf5\x9f\x0f\xa0"
        "\xba\x8e\x37\x0c\xaa\x49\xdb\xa5\x48\xf4\x14\x7b\x7a\x97\x42\x95\x54"
        "\xd0\x73\x25\x97\x29\x3d\xad\xa1\x39\xf9\x20\x82\xcd\xd9\xfe\x6e\x82"
        "\x14\x8d\xa7\x6b\x8d\x49\x03\x2d\xef\xe4\xb3\xd6\xe9\x48\xb7\x0d\x41"
        "\x2c\xa7\x54\x0d\x63\xb2\x82\x4c\xd4\x48\x5f\x8e\x59\x6c\x60\x62\x87"
        "\xa5\xb0\xa0\xd6\x02\xbb\x73\x3a\xfc\xfa\x8c\xd0\xc6\x34\xda\x93\x98"
        "\x65\xd1\xb7\xea\x4e\x42\x76\x5a\xc6\x10\x89\xc0\x0b\xbc\xd3\x42\x24"
        "\x1d\x43\x98\xec\x65\xd2\xfd\x77\x8b\x82\xad\x17\xfe\x43\x03\xd1\xfa"
        "\x58\x80\x2d\x5e\x21\x31\xf3\x6f\x7d\xda\x2b\xf2\xe2\x9c\x3e\x03\xf6"
        "\xee\x28\xdb\xc7\x61\xf5\x3a\x05\x8e\xd6\xb6\x72\x6b\x43\xb7\x8f\xe2"
        "\x49\x07\x64\x0f\xae\xb1\x58\x0a\x02\x7d\xdd\xd6\xcc\x81\x19\xe3\x02"
        "\x22\x65\x14\x96\xd6\x3a\xb0\x6c\xf7\xb4\x8a\x53\xac\x5a\x98\xd4\x28"
        "\xe6\x70\x17\xda\xbb\x6c\x07\xa3\x23\x5d\x23\x46\xa1\x8e\x35\xe9\x0c"
        "\x2a\xac\x18\x4d\xc7\x27\xdb\xf5\xee\x10\x8b\xac\x2c\xa1\x8d\xf5\x67"
        "\x02\x4a\x31\x00\x88\xf6\x44\xe4\x46\x4f\x8a\xb7\xbc\x68\x73\x96\x3c"
        "\x71\xcb\x14\x40\x3d\x9b\x93\x78\x00\x53\xe9\x57\x6a\xe3\x65\x82\xdc"
        "\xc1\x6c\x90\xb9\xd9\xb1\x41\xf6\xda\x66\x7e\x99\x6c\x11\xfc\xc5\x65"
        "\xbe\x14\x24\x79\x2b\x3a\x9a\xa7\x4a\xf5\x00\xb5\xb9\x14\x95\x36\xfe"
        "\x14\x9f\x51\x23\x1c\x51\xbb\x47\xf9\xbd\x3b\x97\x1d\x76\xe0\x60\xc2"
        "\x71\xc2\xe2\x44\xf9\x85\x61\xcb\x50\xc0\x14\x92\xd0\xcd\x47\x31\xdb"
        "\x24\xa5\x75\x66\x89\x5a\x3b\x2c\x62\x92\x83\xb3\x85\x7e\xfa\x28\xe0"
        "\xa2\x5f\x0e\x0f\xcd\x80\x90\xa8\xa1\x61\xfb\xa4\x9a\x4c\x35\x9e\x4e"
        "\xf6\x10\xc2\x47\x7b\xf3\x3a\x70\x62\x7e\xdb\x93\x76\x51\xbe\xbe\xb0"
        "\xe5\x9b\x7d\x62\x17\x95\x43\xdc\x7a\x80\x46\xb5\xa0\x05\x41\xf7\x82"
        "\x50\x20\xb3\xf9\x40\x4e\x1f\xa3\x59\x56\xab\x30\x0a\xdf\x20\x28\xa3"
        "\xaf\x71\xcd\xe3\xcd\xcb\x02\x86\xa7\x7a\x19\xa6\xeb\xb4\xe4\x9d\x0b"
        "\xdb\x67\x86\x81\x5b\x6a\x16\x19\xb6\x02\x58\x41\x79\x1b\xe1\x15\xd1"
        "\x27\x4e\x54\x6b\x76\x66\x6b\x63\xa9\x73\x43\x7b\x3b\xad\x7f\xaa\x80"
        "\x53\x86\x5d\x1e\x52\x12\x5d\x21\xc9\x9a\x17\x54\x75\x7c\x1a\x66\xbb"
        "\xb4\x11\x40\xc7\xb6\xc3\x34\xb0\x51\xfb\x79\xc1\x03\x83\xbb\x3f\x46"
        "\x30\x27\x3b\x77\x7b\x61\x3a\x4c\x1d\x40\x8e\xa7\xc8\x12\x98\x74\x93"
        "\x6a\xe5\x92\xd6\x84\xde\xf2\x95\x51\xc3\xa8\x24\x35\x06\x89\x48\x38"
        "\x1b\xec\x72\x7c\x78\xdc\x44\x3c\xee\x93\xe4\x73\x84\x42\x25\x1d\x70"
        "\xa6\xca\xd2\x24\xa0\xcf\x47\xf1\xc3\x00\x30\x43\xe9\x1d\xb4\x21\xf0"
        "\x90\xe7\x7d\x57\x84\x0b\xad\x63\x35\x40\xc2\xb9\x1c\xd2\xa0\x75\x6c"
        "\x4f\xce\xb8\x4f\xda\x7b\xce\x5c\xac\x71\x22\xeb\xe7\x56\xd2\x10\xab"
        "\x5e\x85\x34\x7d\xbc\xe9\xdb\x57\x22\x01\xa1\x23\x6e\x14\xb5\x07\xd3"
        "\x29\x7d\x04\x57\x03\xe2\xfc\x0b\x40\xe4\xf6\x50\x75\x0e\x71\xcd\xc8"
        "\x8c\xa4\xb1\xfc\x40\x9b\x75\x07\x4a\x61\xed\x5d\xa8\x04\xf8\x2a\x4b"
        "\xf9\xe9\xc9\x6c\x47\xca\x6b\x2d\x25\x31\x8d\x87\xe2\x48\x59\x4e\x5a"
        "\x35\xd3\x6c\x88\x42\x9f\xdd\x79\x0f\xba\xb9\x33\xd5\xba\x80\xf6\x2b"
        "\x5e\x22\xac\xca\xde\x5a\x9c\xc8\xba\x82\x0e\xb1\x0c\xbc\x6b\xce\xeb"
        "\x4d\x51\xc1\x4d\x91\xe4\x2a\x22\xd6\x89\x45\x7d\x5e\xbd\xb3\xcd\x7a"
        "\xa3\x25\xc6\xe0\xed\x23\x7d\x6a\xa7\xad\x45\x3e\xd3\xbb\xdb\xdd\xcc"
        "\xb1\x47\xf6\xda\xf9\x7d\x05\x3f\xbe\x08\x9d\x0d\x42\x9d\x58\xe2\xc7"
        "\xb1\xee\x17\xce\x9d\x6c\x35\x9f\xf3\x09\x8b\x5c\x0b\x0b\xe7\xcb\xed"
        "\xf7\x89\x31\x3d\xf4\x59\x37\x07\xcd\x36\x24\x91\xca\x2d\x27\x2f\x4b"
        "\xcd\x1b\x52\x89\x8a\x0e\x32\x9f\xf0\xe9\x98\xd0\x0b\xa6\x1e\x64\x03"
        "\xa4\x22\x90\x96\xd9\x9c\x23\xe5\xcb\x23\x7c\xf0\x9e\x30\x5a\x73\xe4"
        "\x98\x81\xbf\xc0\x34\x2b\x7c\x73\x92\x50\xf5\x97\x45\x33\x4f\xb4\xa9"
        "\xe7\xd5\xcb\xc4\xa6\x0e\xc3\x69\xcb\xa8\xd7\xfe\x2b\xe7\xe6\xe0\xb2"
        "\x07\xe2\x47\xb9\xa3\xc3\xd3\x38\x40\x11\xf3\xff\xad\x54\xe7\x8b\xe9"
        "\x5c\x9f\x7b\x0e\xe4\x3a\x83\x48\x69\x1f\xc7\x06\xe2\x82\x38\x2f\x32"
        "\x0d\xc4\x25\x4f\x4c\x03\x97\xb6\x1f\xd5\x1b\xf5\x65\x15\x5f\x95\xe9"
        "\x19\x48\xec\xab\xb9\x7c\x32\x93\x7d\x2a\xc1\xaf\xcf\x6b\xe6\x3d\x24"
        "\xd1\x5b\xb4\x1a\x2c\x5b\x5d\x3c\xfb\x6c\x62\x69\xab\x87\xbd\xc0\xd8"
        "\xb5\x70\x00\xcf\x1a\xc5\x53\x63\xf7\x0a\xe3\x99\xd6\x34\xc9\x8f\xc4"
        "\xac\xef\xcb\x4e\x2b\xda\xff\x37\x14\xf0\x21\x5d\xa8\x1c\x7f\xb3\x49"
        "\xde\x87\xc2\x24\xcb\x6d\x78\xa1\x73\x95\x48\xf5\x62\xfa\x3a\x15\xe5"
        "\x0f\xe7\x02\x40\x61\x34\xd9\x1d\x70\xe8\xa5\xc7\x8e\xf3\x6f\xd4\x1e"
        "\x1a\xd0\xea\x4f\x31\xa4\xae\x10\x1f\xdf\x30\x41\xbc\xb4\x6b\x3c\xb0"
        "\x93\xb3\x75\xbf\x49\xb7\x13\x21\x54\xd7\xa6\x96\x37\x72\x92\x68\x27"
        "\x58\x0e\xa2\xe7\x40\x4d\x9a\xb1\x22\xaf\x4b\xf5\xb9\x18\x82\x93\xa5"
        "\xb1\x39\x7e\xfc\xfd\xcd\x89\x6d\x4c\x6f\x94\x18\x24\x91\x03\x3c\xb6"
        "\x16\x01\x44\x59\x31\xf1\xf0\x98\x62\xe5\x89\x38\xa4\xaf\x70\x21\x2a"
        "\xa8\xcc\x31\x11\xbc\xad\xed\x7f\xf6\x4e\x90\x3b\xc7\x6c\x6e\xc6\x30"
        "\x0b\x21\x21\xe8\x04\x35\xb6\x8c\x7c\x64\x1d\x6a\x69\x10\x79\xbc\x65"
        "\x91\xfa\x77\x98\x7d\x4b\xe7\x09\x3f\xca\x5a\x2c\x1a\x9a\xc7\x63\x04"
        "\xc5\xa0\xdc\x6a\xa1\xc8\xae\x07\x8a\x8f\x3c\x38\xac\xac\x54\x5d\xcf"
        "\x02\x55\xb5\xe8\x4f\x7d\x46\x80\xd3\xd4\xf6\x0b\x86\x4d\x92\xb6\x19"
        "\xf5\xc7\xab\x21\xeb\x7b\x35\x4f\x66\x1d\x9f\x2d\xfe\x9d\x24\x36\x17"
        "\x9f\x9f\xb8\x61\x8c\x4e\x47\x44\x93\xcd\x7d\x0d\xc7\x31\xbc\x3a\x7c"
        "\xc1\x90\xc7\x22\xd1\xbc\xe9\xc1\x77\xad\x11\xb6\xc3\x53\x39\x20\x93"
        "\xa6\xa8\xfa\x0b\x32\x22\x2b\x74\x45\x86\xbd\xe9\xea\x4d\xcd\x7b\xf4"
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        "\x71\xcf\xac\xc8\x18\x3f\x2b\x10\xf8\x32\xa1\xab\x96\x16\xbf\x7e\x3e"
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        "\x40\xb4\x70\xe7\x6f\xdf\x4d\xd1\x14\xf4\x7a\x0c\xc3\x1c\x82\x97\x51"
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        "\xcd\x4e\x7e\x2c\x30\x2c\x0e\x8c\xea\xeb\xd8\x11\x9d\x18\x65\x04\xaa"
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        "\x3b\xea\x9d\x1f\x1f\xbc\x5d\x77\x7a\xa3\x89\x74\x52\x86\x8a\x73\xa7"
        "\xc1\x4d\xca\xef\x78\x13\xa5\x15\x54\x9f\xee\x30\xf5\xe7\x08\x53\xd9"
        "\xb1\x60\x67\x5b\x9f\xbb\xde\x6e\x84\x54\xf9\xff\x02\x96\x93\x6a\x33"
        "\x21\x58\xe1\xe2\xbe\xe1\x7e\xdc\xb6\xa4\x34\x65\x66\x91\x10\xae\x90"
        "\xb4\x5f\x37\x65\xc5\xcf\x64\xbe\x4f\x24\xba\xf4\x8f\xde\x4d\x26\x47"
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        "\x7e\x98\x09\x05\x25\xca\xcc\x28\xe1\xe7\x01\x5d\xc7\xb1\x23\x66\x53"
        "\xcf\x9d\x1a\xfa\x11\xe0\xb3\x5a\xae\x8d\x3a\xa1\x57\xbf\x73\xfc\x61"
        "\xab\x07\x39\x1e\x63\xbb\x35\x5b\x8b\x53\x98\x1f\x47\x3c\x9e\xf8\x3c"
        "\xaf\xed\x0a\xe3\xa6\x86\xf2\xa8\xeb\x4a\x9e\x4e\x31\x05\x37\xeb\xfc"
        "\xdc\x6a\xeb\xd3\xf8\x1e\xc8\xda\x74\x59\x38\x5e\x25\xfd\x4b\x0b\xa7"
        "\x97\x4e\x05\x44\xa9\xba\x2b\x50\x14\x62\x37\xd2\x17\x60\x55\xb3\x03"
        "\xb4\xc1\xf0\x84\x7f\x78\xbc\xb4\xdf\x6f\xc2\x19\xb7\x3b\x92\xb1\x98"
        "\xee\x5e\x77\x9d\xc9\x4d\x9d\xfe\x88\x7b\xa1\x81\xf5\xe4\xcb\xf1\xf4"
        "\x2c\x35\x86\x5f\x94\x1f\x45\x7b\x34\x29\x73\x44\x7d\x8a\x5c\xf0\xfd"
        "\xad\xbe\xb0\x14\xd9\x8e\x96\xb7\x53\x9b\xaf\xb7\xd5\x88\x21\x6d\x4d"
        "\x43\x30\x51\x52\xc4\x81\x56\xb7\x7a\x8f\x43\xf5\x25\x20\x9b\x07\xaf"
        "\xae\x83\xe1\x84\xd8\x2a\x15\x6a\x1a\x2b\x88\xbc\x17\xdb\xf4\xa7\x40"
        "\x3a\xdf\x85\xcc\xbd\x31\x33\x4e\x79\x25\x06\x91\x09\xe6\x6e\xc7\xf0"
        "\xc8\x85\x1c\x5a\xf8\xc5\xfc\x8e\xc4\x3e\x94\xcb\xc2\xf6\xd5\x8e\xd0"
        "\x03\x6a\x79\x66\xfa\x79\x7f\x53\x71\x40\x81\xd6\xad\xb4\x75\xfd\xdd"
        "\xb5\x03\x13\x31\x62\x7b\xac\x9f\xa6\x11\x32\xf3\x9e\xe0\xe3\x6e\x02"
        "\x19\xe0\xe5\x1f\xbc\x91\x5e\xd8\x80\xbc\xf8\x77\x4e\x85\x78\x2f\x53"
        "\xe8\xef\xd4\x6b\x32\x43\xdf\xab\x35\x57\x39\xd5\x83\x57\x6e\x80\xf0"
        "\xc3\x27\x59\xeb\x82\xd6\x9e\xc8\x7f\x41\xf9\xb7\x91\x17\xe9\x67\x10"
        "\x7c\xda\xfe\x03\x15\x47\x31\x89\xbe\xab\xc8\xdd\xf3\xa5\x63\x95\xb8"
        "\xed\x47\x22\xc9\xae\x96\xac\x03\xc4\x87\x9a\xf5\x9f\xda\x6e\x33\x7b"
        "\x87\xe4\x1f\x19\x38\x24\xc7\xee\x6d\x97\xf9\x88\x87\xbf\x25\xea\x28"
        "\x0d\xf6\x6f\x3f\xd2\x96\x44\x50\xfd\x20\x4e\xeb\xe6\x05\xba\xbf\xe2"
        "\xc4\xfd\xea\x61\x89\xa1\x5f\x3b\x16\xed\x80\x4b\x3c\x8f\x57\xcd\xdb"
        "\xad\xb4\x8a\xa6\x14\xa7\x22\x96\x0e\xe8\xe7\x67\x6a\x40\x57\xa0\x1b"
        "\x15\xd0\x51\x8c\x06\x01\x7d\x39\xb0\xcf\x2e\x87\x38\x1a\x55\xb4\x50"
        "\xcd\xfd\x8a\x8f\xe0\x1c\x7b\x05\xb1\xfe\xe0\xc2\x72\xad\x8d\x01\xaa"
        "\x29\x02\x91\x06\xd6\x3b\x53\xd4\x11\x1c\xaf\x9e\xda\xed\x2b\x3f\x44"
        "\x8e\x1b\xec\x3c\xf3\xc1\xdf\x10\x5a\x60\x28\x4e\x6a\x45\xec\xa7\x72"
        "\x6e\x2c\x34\x1d\x6f\xb6\xfc\x25\xf4\xba\x3e\xd4\x06\xad\x94\xf4\xad"
        "\x8d\x60\xe1\xf3\x0a\x84\xee\xd2\xd9\xfc\xb4\x28\x98\xfb\x7e\x65\x76"
        "\xf0\x5a\x19\x68\xd1\x51\xac\xa1\x86\xae\x65\x0c\xa5\xff\x48\x3f\x0d"
        "\xbe\xf7\x4e\x6a\x73\xb5\x91\x60\x6f\x14\x26\x2b\x98\xa6\x66\x5a",
        4096);
    *(uint64_t*)0x20000058 = 0x1000;
    *(uint64_t*)0x20000060 = 0;
    *(uint64_t*)0x20000068 = 0;
    syscall(SYS_writev, r[1], 0x20000040, 3);
    break;
  case 4:
    memcpy((void*)0x20000080,
           "\x29\x02\x09\x5c\xb9\x06\x00\x85\x90\x00\x00\x00", 12);
    syscall(SYS_setsockopt, r[1], 0, 0x20000000000001, 0x20000080, 0xc);
    break;
  }
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000, 0x1000000, 3, 0x1012, -1, 0, 0);
  loop();
  return 0;
}