// https://syzkaller.appspot.com/bug?id=f40de3a81b1bd1913bee1cc60e71d6f913eb6b03
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/futex.h>
#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static 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 use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

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 = 0;
  for (; 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, 1000000);
}

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_ACQUIRE))
      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;
}

//% This code is derived from puff.{c,h}, found in the zlib development. The
//% original files come with the following copyright notice:

//% Copyright (C) 2002-2013 Mark Adler, all rights reserved
//% version 2.3, 21 Jan 2013
//% This software is provided 'as-is', without any express or implied
//% warranty.  In no event will the author be held liable for any damages
//% arising from the use of this software.
//% Permission is granted to anyone to use this software for any purpose,
//% including commercial applications, and to alter it and redistribute it
//% freely, subject to the following restrictions:
//% 1. The origin of this software must not be misrepresented; you must not
//%    claim that you wrote the original software. If you use this software
//%    in a product, an acknowledgment in the product documentation would be
//%    appreciated but is not required.
//% 2. Altered source versions must be plainly marked as such, and must not be
//%    misrepresented as being the original software.
//% 3. This notice may not be removed or altered from any source distribution.
//% Mark Adler    madler@alumni.caltech.edu

//% BEGIN CODE DERIVED FROM puff.{c,h}

#define MAXBITS 15
#define MAXLCODES 286
#define MAXDCODES 30
#define MAXCODES (MAXLCODES + MAXDCODES)
#define FIXLCODES 288

struct puff_state {
  unsigned char* out;
  unsigned long outlen;
  unsigned long outcnt;
  const unsigned char* in;
  unsigned long inlen;
  unsigned long incnt;
  int bitbuf;
  int bitcnt;
  jmp_buf env;
};
static int puff_bits(struct puff_state* s, int need)
{
  long val = s->bitbuf;
  while (s->bitcnt < need) {
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    val |= (long)(s->in[s->incnt++]) << s->bitcnt;
    s->bitcnt += 8;
  }
  s->bitbuf = (int)(val >> need);
  s->bitcnt -= need;
  return (int)(val & ((1L << need) - 1));
}
static int puff_stored(struct puff_state* s)
{
  s->bitbuf = 0;
  s->bitcnt = 0;
  if (s->incnt + 4 > s->inlen)
    return 2;
  unsigned len = s->in[s->incnt++];
  len |= s->in[s->incnt++] << 8;
  if (s->in[s->incnt++] != (~len & 0xff) ||
      s->in[s->incnt++] != ((~len >> 8) & 0xff))
    return -2;
  if (s->incnt + len > s->inlen)
    return 2;
  if (s->outcnt + len > s->outlen)
    return 1;
  for (; len--; s->outcnt++, s->incnt++) {
    if (s->in[s->incnt])
      s->out[s->outcnt] = s->in[s->incnt];
  }
  return 0;
}
struct puff_huffman {
  short* count;
  short* symbol;
};
static int puff_decode(struct puff_state* s, const struct puff_huffman* h)
{
  int first = 0;
  int index = 0;
  int bitbuf = s->bitbuf;
  int left = s->bitcnt;
  int code = first = index = 0;
  int len = 1;
  short* next = h->count + 1;
  while (1) {
    while (left--) {
      code |= bitbuf & 1;
      bitbuf >>= 1;
      int count = *next++;
      if (code - count < first) {
        s->bitbuf = bitbuf;
        s->bitcnt = (s->bitcnt - len) & 7;
        return h->symbol[index + (code - first)];
      }
      index += count;
      first += count;
      first <<= 1;
      code <<= 1;
      len++;
    }
    left = (MAXBITS + 1) - len;
    if (left == 0)
      break;
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    bitbuf = s->in[s->incnt++];
    if (left > 8)
      left = 8;
  }
  return -10;
}
static int puff_construct(struct puff_huffman* h, const short* length, int n)
{
  int len;
  for (len = 0; len <= MAXBITS; len++)
    h->count[len] = 0;
  int symbol;
  for (symbol = 0; symbol < n; symbol++)
    (h->count[length[symbol]])++;
  if (h->count[0] == n)
    return 0;
  int left = 1;
  for (len = 1; len <= MAXBITS; len++) {
    left <<= 1;
    left -= h->count[len];
    if (left < 0)
      return left;
  }
  short offs[MAXBITS + 1];
  offs[1] = 0;
  for (len = 1; len < MAXBITS; len++)
    offs[len + 1] = offs[len] + h->count[len];
  for (symbol = 0; symbol < n; symbol++)
    if (length[symbol] != 0)
      h->symbol[offs[length[symbol]]++] = symbol;
  return left;
}
static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode,
                      const struct puff_huffman* distcode)
{
  static const short lens[29] = {3,  4,  5,  6,   7,   8,   9,   10,  11, 13,
                                 15, 17, 19, 23,  27,  31,  35,  43,  51, 59,
                                 67, 83, 99, 115, 131, 163, 195, 227, 258};
  static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2,
                                 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0};
  static const short dists[30] = {
      1,    2,    3,    4,    5,    7,    9,    13,    17,    25,
      33,   49,   65,   97,   129,  193,  257,  385,   513,   769,
      1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577};
  static const short dext[30] = {0, 0, 0,  0,  1,  1,  2,  2,  3,  3,
                                 4, 4, 5,  5,  6,  6,  7,  7,  8,  8,
                                 9, 9, 10, 10, 11, 11, 12, 12, 13, 13};
  int symbol;
  do {
    symbol = puff_decode(s, lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 256) {
      if (s->outcnt == s->outlen)
        return 1;
      if (symbol)
        s->out[s->outcnt] = symbol;
      s->outcnt++;
    } else if (symbol > 256) {
      symbol -= 257;
      if (symbol >= 29)
        return -10;
      int len = lens[symbol] + puff_bits(s, lext[symbol]);
      symbol = puff_decode(s, distcode);
      if (symbol < 0)
        return symbol;
      unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]);
      if (dist > s->outcnt)
        return -11;
      if (s->outcnt + len > s->outlen)
        return 1;
      while (len--) {
        if (dist <= s->outcnt && s->out[s->outcnt - dist])
          s->out[s->outcnt] = s->out[s->outcnt - dist];
        s->outcnt++;
      }
    }
  } while (symbol != 256);
  return 0;
}
static int puff_fixed(struct puff_state* s)
{
  static int virgin = 1;
  static short lencnt[MAXBITS + 1], lensym[FIXLCODES];
  static short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  static struct puff_huffman lencode, distcode;
  if (virgin) {
    lencode.count = lencnt;
    lencode.symbol = lensym;
    distcode.count = distcnt;
    distcode.symbol = distsym;
    short lengths[FIXLCODES];
    int symbol;
    for (symbol = 0; symbol < 144; symbol++)
      lengths[symbol] = 8;
    for (; symbol < 256; symbol++)
      lengths[symbol] = 9;
    for (; symbol < 280; symbol++)
      lengths[symbol] = 7;
    for (; symbol < FIXLCODES; symbol++)
      lengths[symbol] = 8;
    puff_construct(&lencode, lengths, FIXLCODES);
    for (symbol = 0; symbol < MAXDCODES; symbol++)
      lengths[symbol] = 5;
    puff_construct(&distcode, lengths, MAXDCODES);
    virgin = 0;
  }
  return puff_codes(s, &lencode, &distcode);
}
static int puff_dynamic(struct puff_state* s)
{
  static const short order[19] = {16, 17, 18, 0, 8,  7, 9,  6, 10, 5,
                                  11, 4,  12, 3, 13, 2, 14, 1, 15};
  int nlen = puff_bits(s, 5) + 257;
  int ndist = puff_bits(s, 5) + 1;
  int ncode = puff_bits(s, 4) + 4;
  if (nlen > MAXLCODES || ndist > MAXDCODES)
    return -3;
  short lengths[MAXCODES];
  int index;
  for (index = 0; index < ncode; index++)
    lengths[order[index]] = puff_bits(s, 3);
  for (; index < 19; index++)
    lengths[order[index]] = 0;
  short lencnt[MAXBITS + 1], lensym[MAXLCODES];
  struct puff_huffman lencode = {lencnt, lensym};
  int err = puff_construct(&lencode, lengths, 19);
  if (err != 0)
    return -4;
  index = 0;
  while (index < nlen + ndist) {
    int symbol;
    int len;
    symbol = puff_decode(s, &lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 16)
      lengths[index++] = symbol;
    else {
      len = 0;
      if (symbol == 16) {
        if (index == 0)
          return -5;
        len = lengths[index - 1];
        symbol = 3 + puff_bits(s, 2);
      } else if (symbol == 17)
        symbol = 3 + puff_bits(s, 3);
      else
        symbol = 11 + puff_bits(s, 7);
      if (index + symbol > nlen + ndist)
        return -6;
      while (symbol--)
        lengths[index++] = len;
    }
  }
  if (lengths[256] == 0)
    return -9;
  err = puff_construct(&lencode, lengths, nlen);
  if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
    return -7;
  short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  struct puff_huffman distcode = {distcnt, distsym};
  err = puff_construct(&distcode, lengths + nlen, ndist);
  if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
    return -8;
  return puff_codes(s, &lencode, &distcode);
}
static int puff(unsigned char* dest, unsigned long* destlen,
                const unsigned char* source, unsigned long sourcelen)
{
  struct puff_state s = {
      .out = dest,
      .outlen = *destlen,
      .outcnt = 0,
      .in = source,
      .inlen = sourcelen,
      .incnt = 0,
      .bitbuf = 0,
      .bitcnt = 0,
  };
  int err;
  if (setjmp(s.env) != 0)
    err = 2;
  else {
    int last;
    do {
      last = puff_bits(&s, 1);
      int type = puff_bits(&s, 2);
      err = type == 0 ? puff_stored(&s)
                      : (type == 1 ? puff_fixed(&s)
                                   : (type == 2 ? puff_dynamic(&s) : -1));
      if (err != 0)
        break;
    } while (!last);
  }
  *destlen = s.outcnt;
  return err;
}

//% END CODE DERIVED FROM puff.{c,h}

#define ZLIB_HEADER_WIDTH 2

static int puff_zlib_to_file(const unsigned char* source,
                             unsigned long sourcelen, int dest_fd)
{
  if (sourcelen < ZLIB_HEADER_WIDTH)
    return 0;
  source += ZLIB_HEADER_WIDTH;
  sourcelen -= ZLIB_HEADER_WIDTH;
  const unsigned long max_destlen = 132 << 20;
  void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ,
                   MAP_PRIVATE | MAP_ANON, -1, 0);
  if (ret == MAP_FAILED)
    return -1;
  unsigned char* dest = (unsigned char*)ret;
  unsigned long destlen = max_destlen;
  int err = puff(dest, &destlen, source, sourcelen);
  if (err) {
    munmap(dest, max_destlen);
    errno = -err;
    return -1;
  }
  if (write(dest_fd, dest, destlen) != (ssize_t)destlen) {
    munmap(dest, max_destlen);
    return -1;
  }
  return munmap(dest, destlen);
}

static int setup_loop_device(unsigned char* data, unsigned long size,
                             const char* loopname, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (puff_zlib_to_file(data, size, memfd)) {
    err = errno;
    goto error_close_memfd;
  }
  loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    err = errno;
    goto error_close_memfd;
  }
  if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
    if (errno != EBUSY) {
      err = errno;
      goto error_close_loop;
    }
    ioctl(loopfd, LOOP_CLR_FD, 0);
    usleep(1000);
    if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
      err = errno;
      goto error_close_loop;
    }
  }
  close(memfd);
  *loopfd_p = loopfd;
  return 0;

error_close_loop:
  close(loopfd);
error_close_memfd:
  close(memfd);
error:
  errno = err;
  return -1;
}

static long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile long flags, volatile long optsarg,
                            volatile long change_dir,
                            volatile unsigned long size, volatile long image)
{
  unsigned char* data = (unsigned char*)image;
  int res = -1, err = 0, loopfd = -1, need_loop_device = !!size;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    source = loopname;
  }
  mkdir(target, 0777);
  char opts[256];
  memset(opts, 0, sizeof(opts));
  if (strlen(mount_opts) > (sizeof(opts) - 32)) {
  }
  strncpy(opts, mount_opts, sizeof(opts) - 32);
  if (strcmp(fs, "iso9660") == 0) {
    flags |= MS_RDONLY;
  } else if (strncmp(fs, "ext", 3) == 0) {
    bool has_remount_ro = false;
    char* remount_ro_start = strstr(opts, "errors=remount-ro");
    if (remount_ro_start != NULL) {
      char after = *(remount_ro_start + strlen("errors=remount-ro"));
      char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1);
      has_remount_ro = ((before == '\0' || before == ',') &&
                        (after == '\0' || after == ','));
    }
    if (strstr(opts, "errors=panic") || !has_remount_ro)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

error_clear_loop:
  if (need_loop_device) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
  errno = err;
  return res;
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
retry:
  while (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    while (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void reset_loop()
{
  char buf[64];
  snprintf(buf, sizeof(buf), "/dev/loop%llu", procid);
  int loopfd = open(buf, O_RDWR);
  if (loopfd != -1) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

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;
  for (call = 0; call < 6; 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);
      event_timedwait(&th->done, 50 + (call == 0 ? 4000 : 0));
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      setup_test();
      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 < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[3] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    memcpy((void*)0x20000040, "udf\000", 4);
    memcpy((void*)0x20000c40, "./bus\000", 6);
    memcpy(
        (void*)0x20000c80,
        "\x78\x9c\xec\xdd\x4f\x6c\x1c\xd7\x7d\x07\xf0\xdf\x1b\x91\x22\x25\xb7"
        "\x15\x13\xdb\x8a\xdd\xc6\xc5\xa6\x2d\x52\x99\xb1\x5c\xfd\x8b\xa9\x58"
        "\x85\xbb\xaa\x69\xb6\x01\x64\x99\x08\xc5\xdc\x02\x70\x45\xae\x54\xc2"
        "\xd4\x92\x20\xa9\x46\x36\xd2\x82\xe9\xa5\x87\x1e\x02\x14\x45\x0f\x39"
        "\x11\x68\x8d\x02\x09\x1a\x18\x4d\x11\x14\xe8\x85\x6d\x5d\x20\x39\xd4"
        "\x87\x22\xa7\x9e\x88\x16\x36\x82\xa0\x07\xb6\x08\x90\x53\xc0\x60\x66"
        "\xdf\x92\x4b\x8a\xb2\x18\x53\x94\x48\xfb\xf3\xb1\xa9\xef\xee\xcc\x7b"
        "\x33\xef\xcd\x8c\x67\x64\x41\x6f\x5e\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\x00\x00\x00\x11\xbf\xff\xca\xe5\x33\x67\xd3\xa3\x6e"
        "\x05\x00\xf0\x30\x5d\x1d\xfb\xd2\x99\x73\x9e\xff\x00\xf0\xb1\x72\xcd"
        "\xff\xff\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x41\x97\xa2"
        "\x88\xc7\x23\xc5\xdc\xd5\xb5\x34\x51\x7d\x6f\xeb\xbf\x32\xdd\xba\x7d"
        "\x67\x7c\x78\x64\xe7\x6a\xc7\x52\x55\xf3\x48\x55\xbe\xfc\xe9\x3f\x7b"
        "\xee\xfc\x85\xcf\xbf\x30\x74\xb1\x93\x1f\x5c\xff\x41\x7b\x3a\x5e\x1b"
        "\xbb\x76\xb9\xf6\xf2\xec\xad\xb9\xf9\xe6\xc2\x42\x73\xaa\x36\xde\x9a"
        "\x9e\x9c\x9d\x6a\xee\x7a\x0b\x7b\xad\xbf\xdd\x60\x75\x00\x6a\xb7\x5e"
        "\xbf\x3d\x75\xe3\xc6\x42\xed\xdc\xf3\xe7\xb7\xac\xbe\x33\xf0\x7e\xdf"
        "\x63\x27\x07\x2e\x0d\x3d\x7b\xfa\x99\x4e\xd9\xf1\xe1\x91\x91\xb1\xae"
        "\x32\x3d\xbd\x1f\x7a\xef\x77\xb9\xd7\x08\x8f\xa3\x51\xc4\xe9\x48\xf1"
        "\xdc\x77\x7e\x94\x1a\x11\x51\xc4\xde\x8f\xc5\x7d\xae\x9d\xfd\x76\xac"
        "\xea\xc4\x60\xd5\x89\xf1\xe1\x91\xaa\x23\x33\xd3\x8d\xd6\x62\xb9\x72"
        "\xb4\x73\x20\x8a\x88\x5a\x57\xa5\x7a\xe7\x18\x3d\x84\x73\xb1\x27\xf5"
        "\x88\xa5\xb2\xf9\x65\x83\x07\xcb\xee\x8d\xcd\x35\xe6\x1b\xd7\x67\x9a"
        "\xb5\xd1\xc6\xfc\xe2\xf4\xe2\xf4\x6c\x6b\x34\xb5\x5b\x5b\xf6\xa7\x16"
        "\x45\x5c\x4c\x11\xcb\x11\xb1\xda\x77\xf7\xe6\x7a\xa3\x88\x9e\x48\xf1"
        "\xcd\x13\x6b\xe9\x7a\x44\x1c\xe9\x1c\x87\xcf\x55\x03\x83\xef\xdd\x8e"
        "\x62\x1f\xfb\xb8\x0b\x65\x3b\x6b\xbd\x11\xcb\xc5\x21\x38\x67\x07\x58"
        "\x5f\x14\xf1\x6a\xa4\xf8\xc9\x3b\xa7\x62\xb2\x3c\x66\xf9\x27\x3e\x1b"
        "\xf1\x6a\x99\xdf\x8b\x78\xab\xcc\x97\x22\x52\x79\x61\x5c\x88\x78\x6f"
        "\x87\xeb\x88\xc3\xa9\x27\x8a\xf8\x8b\xf2\xfc\x5f\x5a\x4b\x53\xd5\xfd"
        "\xa0\x73\x5f\xb9\xf2\xe5\xda\x17\x5b\x37\x66\xbb\xca\x76\xee\x2b\x87"
        "\xfe\xf9\x10\xd5\x83\xef\xe1\x38\xe0\xf7\xa6\xfe\x28\xa2\x51\xdd\xf1"
        "\xd7\xd2\x87\xff\xcd\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x0f\xda\xb1\x28\xe2\xe9\x48\xf1\xca\x7f\xfe\x71\x35\xae\x38"
        "\xaa\x71\xe9\x27\x2e\x0d\xfd\xc1\xc0\x2f\x77\x8f\x19\x7f\xea\x3e\xdb"
        "\x29\xcb\x3e\x1f\x11\x4b\xc5\xee\xc6\xe4\x1e\xcd\x43\x88\x47\xd3\x68"
        "\x4a\x8f\x78\x2c\xf1\xc7\x59\x7f\x14\xf1\x27\x79\xfc\xdf\xd7\x1f\x75"
        "\x63\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x3e"
        "\xd6\x8a\xf8\x61\xa4\x78\xf1\xdd\x53\x69\x39\x75\xcf\x29\x3e\xdd\xba"
        "\x59\xbb\xd6\xb8\x3e\xd3\x9e\x15\xb6\x33\xf7\x6f\x67\xce\xf4\xf5\xf5"
        "\xf5\xf5\x5a\x6a\x67\x3d\xe7\x44\xce\xa5\x9c\xcb\x39\x57\x72\xae\xe6"
        "\x8c\x22\xcf\x31\x9d\xb7\x53\x2f\x72\xfd\x9c\x4b\x39\x97\x73\xae\xe4"
        "\x5c\xcd\x19\x47\xf2\xfe\x73\xd6\x73\x4e\xe4\x5c\xca\xb9\x9c\x73\x25"
        "\xe7\x6a\xce\x72\xe7\x55\xfd\x9c\xf5\x9c\x13\x39\x97\x72\x2e\xe7\x5c"
        "\xc9\xb9\x9a\x33\x0e\xc8\xdc\xbd\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x1f\x25\x45\x14\xf1\xb3\x48\xf1\x8d\xaf\xae\xa5\x48"
        "\x11\x51\x8f\x98\x88\x76\xae\xf4\x3d\xea\xd6\x01\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\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\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\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\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\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\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\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\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\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\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\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\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\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\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\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"
        "\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\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\x00\xa5\xbe\x54\xc4\x77\x23\x45\xed\x0f"
        "\xeb\x1b\xcb\x7a\x22\x22\x55\xff\xb6\x9d\x2a\x7f\xb9\x10\xf5\xa3\x65"
        "\x7e\x32\xea\x43\x65\xbe\x14\xf5\xcb\x39\x1b\x55\xf6\xd4\xbf\xfe\x08"
        "\xda\xcf\xde\xf4\xa6\x22\x7e\x10\x29\xfa\xfa\xdf\xde\x38\xe1\xf9\xfc"
        "\xf7\xb6\xbf\x6d\x5c\x06\xf1\xd6\xd7\x36\xbf\xfd\x6a\x4f\x3b\x8f\x74"
        "\x56\x0e\xbc\xdf\xf7\xd8\xc9\x13\x97\x86\x46\x7e\xfd\xa9\x7b\x7d\x4e"
        "\x3b\x35\x60\xf0\xca\x74\xeb\xf6\x9d\xda\xf8\xf0\xc8\xc8\x58\xd7\xe2"
        "\x9e\xbc\xf7\x4f\x76\x2d\x1b\xc8\xfb\x2d\x1e\x4c\xd7\x89\x88\x85\x37"
        "\xde\x7c\xbd\x31\x33\xd3\x9c\xff\x18\x7e\x78\x3f\x5f\x48\x07\xa5\x3d"
        "\x3e\xf8\xf0\x28\x3e\xac\xf5\xef\xb4\xea\x51\xdf\x99\x78\x18\xca\xe7"
        "\xff\x7b\x91\xe2\x77\xde\xfd\xaf\xce\x03\xbf\xf3\xfc\xff\xa5\xf6\xb7"
        "\x8d\x27\x7c\xfc\xf4\x4f\x37\x9f\xff\x2f\x6e\xdf\xd0\x3e\x3d\xff\x1f"
        "\xef\x5a\xf6\x62\xfe\xdd\x48\x6f\x4f\x44\xff\xe2\xad\xb9\xde\x93\x11"
        "\xfd\x0b\x6f\xbc\x79\x7a\xfa\x56\xe3\x66\xf3\x66\xb3\x75\xe1\xcc\x99"
        "\x2f\x0c\x0d\x7d\xe1\xfc\x99\xde\xa3\x11\xfd\x37\xa6\x67\x9a\x5d\x9f"
        "\xf6\x7c\xa8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1e"
        "\xae\x54\xc4\xef\x45\x8a\xc6\x0f\xd6\x52\x2d\x22\xee\x54\xe3\xb5\x06"
        "\x2e\x0d\x3d\x7b\xfa\x99\x23\x71\xa4\x1a\x6f\xb5\x65\xdc\xd6\x6b\x63"
        "\xd7\x2e\xd7\x5e\x9e\xbd\x35\x37\xdf\x5c\x58\x68\x4e\xd5\xc6\x5b\xd3"
        "\x93\xb3\x53\xcd\xdd\xee\xae\xbf\x1a\xee\x35\x3e\x3c\xb2\x2f\x9d\xb9"
        "\xaf\x63\xfb\xdc\xfe\x63\xfd\x2f\xcf\xce\xbd\x31\x3f\x7d\xf3\x8f\x16"
        "\x77\x5c\x7f\xbc\xff\xf2\xf5\x85\xc5\xf9\xc6\xe4\xce\xab\xe3\x58\x14"
        "\x11\xf5\xee\x25\x83\x55\x83\xc7\x87\x47\xaa\x46\xcf\x4c\x37\x5a\x55"
        "\xd5\xd1\x1d\x07\xd3\xfd\xe2\x7a\x53\x11\xff\x1d\x29\x26\x2f\xd4\xd2"
        "\x67\xf2\xb2\x3c\xfe\x6f\xfb\x08\xff\x2d\xe3\xff\x97\xb6\x6f\x68\xa7"
        "\x31\x7f\xff\xb1\xf7\xf1\x7f\x9f\xe8\x5a\x56\xee\x33\xa5\x22\x7e\x1a"
        "\x29\x7e\xfb\x2f\x9f\x8a\xcf\x54\xed\x3c\x1e\x77\x1d\xb3\x5c\xee\x6f"
        "\x23\xc5\xe0\xc5\x4f\xe7\x72\x71\xb4\x2c\xd7\x69\x43\xfb\xbd\x02\xed"
        "\x91\x81\x65\xd9\xff\x8b\x14\xff\xf0\xb3\xad\x65\x3b\xe3\x21\x1f\xdf"
        "\x2c\x7b\x76\xd7\x07\xf6\x90\x28\xcf\xff\x89\x48\xf1\xdd\x3f\xff\x56"
        "\xfc\x46\x5e\xb6\xf5\xfd\x0f\x3b\x9f\xff\xe3\xdb\x37\xb4\x4f\xe3\x3f"
        "\x9f\xe8\x5a\x76\x7c\xcb\xfb\x0a\xf6\xdc\x75\xf2\xf9\x3f\x1d\x29\x5e"
        "\x7a\xfc\xed\xf8\xcd\xbc\xec\x83\xde\xff\xd1\x79\xf7\xc6\xa9\x5c\x78"
        "\xe3\xfd\x1c\xfb\x74\xfe\x9f\xec\x5a\x36\x90\xf7\xfb\x5b\x0f\xa6\xeb"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x87\x5a\x6f\x2a\xe2\xef\x22\xc5"
        "\x33\x23\x3d\xe9\x85\xbc\x6c\x37\x7f\xff\x6f\x6a\xfb\x86\xf6\xe9\xef"
        "\x7f\x7d\xaa\x6b\xd9\xd4\x43\x9a\xaf\x68\xcf\x07\x15\x00\x00\x00\x00"
        "\x0e\x88\xde\x54\xc4\x0f\x23\xc5\xcd\xc5\xb7\x37\xc6\x50\x6f\x1d\xff"
        "\xdd\x35\xfe\xf3\x77\x37\xc7\x7f\x0e\xa7\x6d\x6b\xab\x3f\xe7\xfb\x95"
        "\xea\xbd\x01\x0f\xf2\xcf\xff\xba\x0d\xe4\xfd\x4e\xec\xbd\xdb\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\xa0\xa4\x54"
        "\xc4\x0b\x79\x3e\xf5\x89\xfb\xcc\xa7\xbe\x12\x29\x5e\xf9\xf1\x73\xb9"
        "\x5c\x3a\x59\x96\xeb\xcc\x03\x3f\x50\xfd\xda\x7f\x75\xb6\x75\xfa\xf2"
        "\xcc\xcc\xec\x64\x63\xb1\x71\x7d\xa6\x59\x1b\x9b\x6b\x4c\x36\xcb\xba"
        "\x4f\x44\x8a\xb5\xbf\xf9\x74\xae\x5b\x54\xf3\xab\x77\xe6\x9b\x6f\xcf"
        "\xf1\xbe\x39\x17\xfb\x7c\xa4\x18\xf9\x76\xa7\x6c\x1c\x8d\xe2\xc9\x1f"
        "\x77\xe6\x26\x7f\x62\xb3\xec\xd9\xb2\xec\x27\x22\xc5\xff\xfc\x7d\x77"
        "\xd9\xd8\x98\xc7\xfa\xc9\xcd\xb2\xe7\xca\xb2\x7f\x1d\x29\xbe\xf2\x4f"
        "\x3b\x97\x3d\xb9\x59\xf6\x7c\x59\xf6\x5b\x91\xe2\xfb\x5f\xa9\x75\xca"
        "\x1e\x2f\xcb\x76\xde\x8f\xfa\xa9\xcd\xb2\xcf\x4f\xce\xce\xdc\xf5\x2a"
        "\x54\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf8"
        "\x45\xf5\xa6\x22\xfe\x2c\x52\xfc\xef\xad\xe5\x8d\xb1\xfc\x79\xfe\xff"
        "\xde\xae\xaf\x95\xb7\xbe\xd6\x35\xdf\xff\x36\x77\xaa\x79\xfe\x07\xaa"
        "\xf9\xff\xef\xf5\xb9\xbb\x6e\x67\x5f\xf7\x9b\xff\x7f\xe0\xc1\x75\x15"
        "\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\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\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\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\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\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\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\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\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\x00\x00\x00\x00\x00\x00\x00\x00\x0e\x8d\x14"
        "\x45\xbc\x19\x29\xe6\xae\xae\xa5\x95\xbe\xf2\x7b\x5b\xff\x95\xe9\xd6"
        "\xed\x3b\xe3\xc3\x23\x3b\x57\x3b\x96\xaa\x9a\x47\xaa\xf2\xe5\x4f\xff"
        "\xd9\x73\xe7\x2f\x7c\xfe\x85\xa1\x8b\x9d\xfc\xe0\xfa\x0f\xda\xd3\xf1"
        "\xda\xd8\xb5\xcb\xb5\x97\x67\x6f\xcd\xcd\x37\x17\x16\x9a\x53\xb5\xf1"
        "\xd6\xf4\xe4\xec\x54\x73\xd7\x5b\xd8\x6b\xfd\xed\x06\xab\x03\x50\xbb"
        "\xf5\xfa\xed\xa9\x1b\x37\x16\x6a\xe7\x9e\x3f\xbf\x65\xf5\x9d\x81\xf7"
        "\xfb\x1e\x3b\x39\x70\x69\xe8\xd9\xd3\xcf\x74\xca\x8e\x0f\x8f\x8c\x8c"
        "\x75\x95\xe9\xe9\xdd\xba\xc9\x6f\x7f\xe8\xc6\x6c\x9e\xd7\xed\x8e\x46"
        "\x11\x7f\x15\x29\x9e\xfb\xce\x8f\xd2\xbf\xf4\x45\x14\xb1\xf7\x63\x71"
        "\x9f\x6b\x67\xbf\x1d\xab\x3a\x31\x58\x75\x62\x7c\x78\xa4\xea\xc8\xcc"
        "\x74\xa3\xb5\x58\xae\x1c\xed\x1c\x88\x22\xa2\xd6\x55\xa9\xde\x39\x46"
        "\xbb\x3c\x17\x8f\x4c\x3d\x62\xa9\x6c\x7e\xd9\xe0\xc1\xb2\x7b\x63\x73"
        "\x8d\xf9\xc6\xf5\x99\x66\x6d\xb4\x31\xbf\x38\xfd\xcf\xcd\xd9\xd6\x68"
        "\x6a\xb7\xb6\xec\x4f\x2d\x8a\xb8\x98\x22\x96\x23\x62\xb5\xef\xee\xcd"
        "\xf5\x46\x11\xaf\x47\x8a\x6f\x9e\x58\x4b\xff\xda\x17\x71\xa4\x73\x1c"
        "\x3e\x77\x75\xec\x4b\x67\xce\xdd\xbb\x1d\xc5\x3e\xf6\x71\x17\xca\x76"
        "\xd6\x7a\x23\x96\x8b\x43\x70\xce\x0e\xb0\xbe\x28\xe2\x1f\x23\xc5\x4f"
        "\xde\x39\x15\xff\xd6\x17\xd1\x13\xed\x9f\xf8\x6c\xc4\xab\x65\x7e\x2f"
        "\xe2\xad\x32\x5f\x8a\x48\xe5\x85\x71\x21\xe2\xbd\x1d\xae\x23\x0e\xa7"
        "\x9e\x28\xe2\xff\xcb\xf3\x7f\x69\x2d\xbd\xd3\x57\xde\x0f\x3a\xf7\x95"
        "\x2b\x5f\xae\x7d\xb1\x75\x63\xb6\xab\x6c\xe7\xbe\x72\xe8\x9f\x0f\x0f"
        "\xd3\x01\xbf\x37\xf5\x47\x11\xdf\xaf\xee\xf8\x6b\xe9\xdf\xfd\x77\x0d"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\x80\x14\xf1\x6b"
        "\x91\xe2\xc5\x77\x4f\xa5\x6a\x7c\xf0\xc6\x98\xe2\xe9\xd6\xcd\xda\xb5"
        "\xc6\xf5\x99\xf6\xb0\xbe\xce\xd8\xbf\xce\x98\xe9\xf5\xf5\xf5\xf5\x5a"
        "\x6a\x67\x3d\xe7\x44\xce\xa5\x9c\xcb\x39\x57\x72\xae\xe6\x8c\x22\xd7"
        "\xcf\x59\xcf\x39\x91\x73\x29\xe7\x72\x99\xbd\xed\xb1\xc6\x55\xfd\x9c"
        "\x71\x24\xd7\xcf\x59\xcf\x39\x91\x73\x29\xe7\x72\xce\x95\x9c\xab\x39"
        "\xa3\x27\xd7\xcf\x59\xcf\x39\x91\x73\x29\xe7\x72\xce\x95\x9c\xab\x39"
        "\xe3\x80\x8c\xdd\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x3e\x5a\x8a\xea\x9f\x14\xdf\xf8\xea\x5a\x5a\xef\x6b\xcf\x2f"
        "\x3d\x11\xed\x5c\x31\x1f\xe8\x47\xde\xcf\x03\x00\x00\xff\xff\x75\x41"
        "\xf7\x54",
        3096);
    syz_mount_image(0x20000040, 0x20000c40, 0x2000000, 0x20000080, 1, 0xc18,
                    0x20000c80);
    break;
  case 1:
    memcpy((void*)0x20000140, "./bus\000", 6);
    res = syscall(__NR_creat, 0x20000140ul, 0ul);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    res = syscall(__NR_io_setup, 0x7fd, 0x20000000ul);
    if (res != -1)
      r[1] = *(uint64_t*)0x20000000;
    break;
  case 3:
    memcpy((void*)0x20000100, "cgroup.controllers\000", 19);
    res = syscall(__NR_openat, 0xffffff9c, 0x20000100ul, 0x275aul, 0ul);
    if (res != -1)
      r[2] = res;
    break;
  case 4:
    syscall(__NR_write, r[2], 0x20000180ul, 0x208e24bul);
    break;
  case 5:
    *(uint64_t*)0x20000540 = 0x200000c0;
    *(uint64_t*)0x200000c0 = 0x20000;
    *(uint32_t*)0x200000c8 = 0;
    *(uint32_t*)0x200000cc = 0;
    *(uint16_t*)0x200000d0 = 1;
    *(uint16_t*)0x200000d2 = 0;
    *(uint32_t*)0x200000d4 = r[0];
    *(uint64_t*)0x200000d8 = 0x20000000;
    *(uint64_t*)0x200000e0 = 0x377140be6b5ef4c7;
    *(uint64_t*)0x200000e8 = 0;
    *(uint64_t*)0x200000f0 = 0;
    *(uint32_t*)0x200000f8 = 0;
    *(uint32_t*)0x200000fc = -1;
    syscall(__NR_io_submit, r[1], 0x20000000000001cbul, 0x20000540ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}