// https://syzkaller.appspot.com/bug?id=ff834988a0e05a23199aa0230d9afa4b010c69d2
// 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
#ifndef __NR_open_tree
#define __NR_open_tree 428
#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 < 16; 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, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    memcpy((void*)0x20000c00, "udf\000", 4);
    memcpy((void*)0x20000200, "./file0\000", 8);
    memcpy(
        (void*)0x20002440,
        "\x78\x9c\xec\xdd\x41\x6c\x1c\xd7\x7d\x07\xe0\xff\x1b\x2d\x45\x4a\x6e"
        "\x2b\x26\x4e\x54\xbb\x8d\x8b\x4d\x5b\xa4\x32\x63\xb9\xb2\xa4\x98\x8a"
        "\x55\xb8\xab\x9a\x66\x1b\x40\x96\x89\x50\xcc\x2d\x00\x57\xe4\x4a\x5d"
        "\x98\x22\x09\x92\x6a\x64\x23\x6d\x99\x5e\x7a\xe8\x21\x40\x51\xf4\x90"
        "\x13\x81\xd6\x28\x90\xa2\x81\xd1\x14\x41\x8f\x6c\xeb\x02\xc9\xc5\x87"
        "\x22\xa7\x9e\x88\x16\x36\x82\xa2\x07\xb6\x08\x90\x93\xc1\x60\x66\xdf"
        "\x8a\x4b\x8a\xb2\x64\x53\xa4\x48\xfb\xfb\x6c\xea\x37\x3b\xfb\xde\xec"
        "\x7b\x6f\xd6\x33\xb2\xa0\x37\x2f\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x80\x88\xdf\x7b\xf9\xd2\x99\xe7\xd2\xa3\x6e\x05"
        "\x00\xb0\x9f\xae\x8c\x7f\xf5\xcc\x59\xf7\x7f\x00\xf8\x44\xb9\xea\xff"
        "\xff\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\xa0\x4b\x51\xc4"
        "\xe3\x91\x62\xfe\xca\x7a\x9a\xac\x5e\x77\x0c\x5c\x6e\xcf\xde\xba\x3d"
        "\x31\x32\xba\x73\xb5\x63\xa9\xaa\x79\xa4\x2a\x5f\xfe\x0c\x3c\x77\xf6"
        "\xdc\xf9\x2f\x3d\x3f\x7c\xa1\x9b\x1f\x5c\xff\x61\x7b\x32\x5e\x1d\xbf"
        "\x7a\xa9\xfe\xd2\xdc\xcd\xf9\x85\xd6\xe2\x62\x6b\xba\x3e\x31\xdb\x9e"
        "\x9a\x9b\x6e\x3d\xf0\x11\x76\x5b\x7f\xbb\xa1\x6a\x00\xea\x37\x5f\xbb"
        "\x35\x7d\xfd\xfa\x62\xfd\xec\xb3\xe7\xb6\xbc\x7d\x7b\xf0\xbd\xfe\xc7"
        "\x4e\x0e\x5e\x1c\x7e\xfa\xf4\x53\xdd\xb2\x13\x23\xa3\xa3\xe3\x3d\x65"
        "\x6a\x7d\x1f\xf9\xd3\xef\x72\xaf\x19\x1e\x47\xa3\x88\xd3\x91\xe2\x99"
        "\xef\xfd\x24\x35\x23\xa2\x88\xdd\x8f\xc5\x7d\xbe\x3b\x7b\xed\x58\xd5"
        "\x89\xa1\xaa\x13\x13\x23\xa3\x55\x47\x66\xda\xcd\xd9\xa5\xf2\xcd\xb1"
        "\xee\x40\x14\x11\xf5\x9e\x4a\x8d\xee\x18\xed\xc3\xb9\xd8\x95\x46\xc4"
        "\x72\xd9\xfc\xb2\xc1\x43\x65\xf7\xc6\xe7\x9b\x0b\xcd\x6b\x33\xad\xfa"
        "\x58\x73\x61\xa9\xbd\xd4\x9e\x9b\x1d\x4b\x9d\xd6\x96\xfd\xa9\x47\x11"
        "\x17\x52\xc4\x4a\x44\xac\xf5\xdf\x7d\xb8\xbe\x28\xa2\x16\x29\xbe\x73"
        "\x62\x3d\x5d\x8b\x88\x23\xdd\x71\xf8\x62\x35\x31\xf8\xde\xed\x28\xf6"
        "\xb0\x8f\x0f\xa0\x6c\x67\xbd\x2f\x62\xa5\x38\x04\xe7\xec\x00\xeb\x8f"
        "\x22\x5e\x89\x14\x3f\x7d\xbb\x88\xa9\x72\xcc\xf2\x4f\x7c\x21\xe2\x95"
        "\x32\x7f\x10\xf1\x66\x99\x2f\x46\xa4\xf2\x8b\x71\x3e\xe2\xdd\x1d\xbe"
        "\x47\x1c\x4e\xb5\x28\xe2\x2f\xca\xf3\x7f\x71\x3d\x4d\x57\xd7\x83\xee"
        "\x75\xe5\xf2\xd7\xea\x5f\x99\xbd\x3e\xd7\x53\xb6\x7b\x5d\x39\xf4\xf7"
        "\x87\xfd\x74\xc0\xaf\x4d\x03\x51\x44\xb3\xba\xe2\xaf\xa7\x8f\xfe\x9b"
        "\x1d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1e\xb6\x63"
        "\x51\xc4\x93\x91\xe2\xe5\xff\xf8\xa3\x6a\x5e\x71\x54\xf3\xd2\x4f\x5c"
        "\x1c\xfe\xfd\xc1\x5f\xec\x9d\x33\xfe\xc4\x7d\x8e\x53\x96\x7d\x36\x22"
        "\x96\x8b\x07\x9b\x93\x7b\x34\x4f\x21\x1e\x4b\x63\x29\x3d\xe2\xb9\xc4"
        "\x9f\x64\x03\x51\xc4\x1f\xe7\xf9\x7f\xdf\x7a\xd4\x8d\x01\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf8\x44\x2b\xe2\xc7\x91"
        "\xe2\x85\x77\x4e\xa5\x95\xe8\x5d\x53\xbc\x3d\x7b\xa3\x7e\xb5\x79\x6d"
        "\xa6\xb3\x2a\x6c\x77\xed\xdf\xee\x9a\xe9\x1b\x1b\x1b\x1b\xf5\xd4\xc9"
        "\x46\xce\xc9\x9c\xcb\x39\x57\x72\xae\xe6\x5c\xcb\x19\x45\xae\x9f\xb3"
        "\x91\x73\x32\xe7\x72\xce\x95\x9c\xab\x39\xd7\x72\xc6\x91\x5c\x3f\x67"
        "\x23\xe7\x64\xce\xe5\x9c\x2b\x39\x57\x73\xae\xe5\x8c\x5a\xae\x9f\xb3"
        "\x91\x73\x32\xe7\x72\xce\x95\x9c\xab\x39\xd7\x72\xc6\x01\x59\xbb\x17"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\xe3\xa4\x88\x22"
        "\xde\x8f\x14\xdf\xfe\xc6\x7a\x8a\x14\x11\x8d\x88\xc9\xe8\xe4\x6a\xff"
        "\xa3\x6e\x1d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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        "\xea\x4f\x45\x7c\x3f\x52\xd4\xff\xa0\x71\x67\x5f\x2d\x22\x52\xf5\x6f"
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        "\x94\xb3\x59\x65\xad\xf1\xad\x47\xd0\x7e\x76\xa7\x2f\x15\xf1\xa3\x48"
        "\xd1\x3f\xf0\xd6\x9d\x13\x9e\xcf\x7f\x5f\xe7\xd5\x9d\xaf\x41\xbc\xf9"
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        "\x7c\x32\x36\x6a\x9d\x8d\x5a\x1c\x90\xf6\xec\xd7\x46\xbe\x5e\xc5\x41"
        "\x69\xcf\xf6\x8d\xc6\xc1\x68\xc6\xe6\xc6\x23\xbe\x30\xb1\x2f\xca\xfb"
        "\xff\xbb\x91\xe2\xb7\xdf\xf9\xcf\xee\x0d\xbf\x7b\xff\xff\x85\xce\xab"
        "\x3b\x77\xf8\xf8\xd9\x9f\x6c\xde\xff\x5f\xd8\x7e\xa0\x3d\xba\xff\x3f"
        "\xde\xb3\xef\x85\xfc\xbb\x91\xbe\x5a\xc4\xc0\xd2\xcd\xf9\xbe\x93\x11"
        "\x03\x8b\xaf\xbf\x71\xba\x7d\xb3\x79\xa3\x75\xa3\x35\x7b\xfe\xcc\x99"
        "\x2f\x0f\x0f\x7f\xf9\xdc\x99\xbe\xa3\x11\x03\xd7\xdb\x33\xad\x9e\xad"
        "\x5d\x0f\x15\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\xfe"
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        "\xe2\xf0\xd3\xa7\x9f\x3a\x12\x47\xaa\xf9\x56\x5b\xe6\x6d\xbd\x3a\x7e"
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        "\x35\x37\xdd\x7a\xd0\x8f\x1b\xa8\xa6\x7b\x4d\x8c\x8c\xee\x49\x67\xee"
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        "\x8e\xef\x1f\x1f\xb8\x74\x6d\x71\x69\xa1\x39\xb5\xf3\xdb\x71\x2c\x8a"
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        "\xea\xd8\x8e\x93\xe9\x3e\xbc\xbe\x54\xc4\x7f\x45\x8a\xa9\xf3\xf5\xf4"
        "\xf9\xbc\x2f\xcf\xff\xdb\x3e\xc3\x7f\xcb\xfc\xff\xe5\xed\x07\xda\xa3"
        "\xf9\x7f\x9f\xea\xd9\x57\x7e\x66\x4a\x45\xfc\x2c\x52\xfc\xd6\x5f\x3e"
        "\x11\x9f\xaf\xda\x79\x3c\xee\x1a\xb3\x5c\xee\x6f\x23\xc5\xd0\x85\xcf"
        "\xe5\x72\x71\xb4\x2c\xd7\x6d\x43\xe7\xb9\x02\x9d\x99\x81\x65\xd9\xff"
        "\x8b\x14\xff\xf8\xfe\xd6\xb2\xdd\xf9\x90\x8f\x6f\x96\x7d\xee\x81\x07"
        "\xf6\x90\x28\xcf\xff\x89\x48\xf1\xfd\x3f\xff\x6e\xfc\x7a\xde\xb7\xf5"
        "\xf9\x0f\x3b\x9f\xff\xe3\xdb\x0f\xb4\x47\xe7\xff\x33\x3d\xfb\x8e\x6f"
        "\x79\x5e\xc1\xae\xbb\x4e\x3e\xff\xa7\x23\xc5\x8b\x8f\xbf\x15\xbf\x91"
        "\xf7\x7d\xd0\xf3\x3f\x8a\xd8\xd8\xd8\xf8\xd3\x88\x53\xb9\xf0\x9d\xe7"
        "\x73\xec\xd1\xf9\xff\x6c\xcf\xbe\xc1\xe8\x7c\xee\x6f\x3e\xbc\xee\x03"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x1c\x5a\x7d\xa9\x88\xbf\x8b\x14\x4f"
        "\x8d\xd6\xd2\xf3\x79\xdf\x83\xfc\xfd\xbf\xe9\xed\x07\xda\xa3\xbf\xff"
        "\xf5\xcb\x3d\xfb\xa6\xf7\x69\xbd\xa2\x5d\x0f\x2a\x00\x00\x00\x00\x1c"
        "\x10\x7d\xa9\x88\x1f\x47\x8a\x1b\x4b\x6f\xdd\x99\x43\xbd\x75\xfe\x77"
        "\xcf\xfc\xcf\xdf\xd9\x5c\x7b\x7d\x24\x6d\x7b\xb7\xfa\x73\xbe\x5f\xaa"
        "\x9e\x1b\xf0\x30\xff\xfc\xaf\xd7\x60\xfe\xdc\xc9\xdd\x77\x1b\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0e\x94\x94\x8a"
        "\x78\x3e\xaf\xa7\x3e\x79\x9f\xf5\xd4\x57\x23\xc5\xcb\xff\xf3\x4c\x2e"
        "\x97\x4e\x96\xe5\xba\xeb\xc0\x0f\x56\xbf\x0e\x5c\x99\x9b\x3d\x7d\x69"
        "\x66\x66\x6e\xaa\xb9\xd4\xbc\x36\xd3\xaa\x8f\xcf\x37\xa7\x5a\x65\xdd"
        "\xcf\x44\x8a\xf5\xbf\xf9\x5c\xae\x5b\x54\xeb\xab\x77\xd7\x9b\xef\xac"
        "\xf1\x3e\xb0\xd1\x5d\x8b\x7d\x21\x52\x8c\xfe\x7d\xb7\x6c\x67\x2d\xf6"
        "\xee\xda\xe4\x9d\xf5\xc0\x3b\x6b\xb1\x97\x65\x3f\x15\x29\xfe\xfb\x1f"
        "\xb6\x96\xed\xae\x63\xfd\xd9\xcd\xb2\x67\xcb\xb2\x7f\x1d\x29\xbe\xfe"
        "\xcf\x3b\x97\x3d\xb9\x59\xf6\x5c\x59\xf6\xbb\x91\xe2\x87\x5f\xaf\x77"
        "\xcb\x1e\x2f\xcb\x76\x9f\x8f\xda\x79\x26\xe9\x40\x2d\x66\x5a\xcf\x4e"
        "\xcd\xcd\xdc\xf5\x28\x54\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\xf8\xb0\xfa\x52\x11\x7f\x16\x29\xfe\xf7\xe6\x4a\x2c"
        "\xe7\x69\xff\x79\xfd\xff\xee\x0a\xfc\xb5\x6e\xd9\x37\xbf\xd9\xb3\xde"
        "\xff\x36\xb7\xab\x75\xfe\x07\xab\xf5\xff\xef\xb5\xfd\x51\xd6\xff\x1f"
        "\x7c\x68\x3d\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x80\xc3\x23\x45\x11\x6f\x44\x8a\xf9\x2b\xeb\x69\xb5\xbf\x7c\xdd\x31"
        "\x70\xb9\x3d\x7b\xeb\xf6\xc4\xc8\xe8\xce\xd5\x8e\xa5\xaa\xe6\x91\xaa"
        "\x7c\xf9\x33\xf0\xdc\xd9\x73\xe7\xbf\xf4\xfc\xf0\x85\x6e\x7e\x70\xfd"
        "\x87\xed\xc9\x78\x75\xfc\xea\xa5\xfa\x4b\x73\x37\xe7\x17\x5a\x8b\x8b"
        "\xad\xe9\xfa\xc4\x6c\x7b\x6a\x6e\xba\xf5\xc0\x47\xd8\x6d\xfd\xcd\xa1"
        "\xeb\x18\xaa\x06\xa0\x7e\xf3\xb5\x5b\xd3\xd7\xaf\x2f\xd6\xcf\x3e\x7b"
        "\x6e\xcb\xdb\xb7\x07\xdf\xeb\x7f\xec\xe4\xe0\xc5\xe1\xa7\x4f\x3f\xd5"
        "\x2d\x3b\x31\x32\x3a\x3a\xde\x53\xa6\xd6\xf7\x21\x3e\xfd\x43\x35\x6e"
        "\xd3\xd1\x28\xe2\xaf\x22\xc5\x33\xdf\xfb\x49\xfa\x97\xfe\x88\x22\x76"
        "\x3f\x16\xf7\xf9\xee\xec\xb5\x63\x55\x27\x86\xaa\x4e\x4c\x8c\x8c\x56"
        "\x1d\x99\x69\x37\x67\x97\xca\x37\xc7\xba\x03\x51\x44\xd4\x7b\x2a\x35"
        "\xba\x63\xb4\x0f\xe7\x62\x57\x1a\x11\xcb\x65\xf3\xcb\x06\x0f\x95\xdd"
        "\x1b\x9f\x6f\x2e\x34\xaf\xcd\xb4\xea\x63\xcd\x85\xa5\xf6\x52\x7b\x6e"
        "\x76\x2c\x75\x5a\x5b\xf6\xa7\x1e\x45\x5c\x48\x11\x2b\x11\xb1\xd6\x7f"
        "\xf7\xe1\xfa\xa2\x88\xd7\x22\xc5\x77\x4e\xac\xa7\x7f\xed\x8f\x38\xd2"
        "\x1d\x87\x2f\x5e\x19\xff\xea\x99\xb3\xf7\x6e\x47\xb1\x87\x7d\x7c\x00"
        "\x65\x3b\xeb\x7d\x11\x2b\xc5\x21\x38\x67\x07\x58\x7f\x14\xf1\x4f\x91"
        "\xe2\xa7\x6f\x9f\x8a\x7f\xeb\x8f\xa8\x45\xe7\x27\xbe\x10\xf1\x4a\x99"
        "\x3f\x88\x78\xb3\xcc\x17\x23\x52\xf9\xc5\x38\x1f\xf1\xee\x0e\xdf\x23"
        "\x0e\xa7\x5a\x14\xf1\xff\xe5\xf9\xbf\xb8\x9e\xde\xee\x2f\xaf\x07\xdd"
        "\xeb\xca\xe5\xaf\xd5\xbf\x32\x7b\x7d\xae\xa7\x6c\xf7\xba\x72\xe8\xef"
        "\x0f\xfb\xe9\x80\x5f\x9b\x06\xa2\x88\x1f\x56\x57\xfc\xf5\xf4\xef\xfe"
        "\xbb\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x38\x40\x8a"
        "\xf8\xd5\x48\xf1\xc2\x3b\xa7\x52\x35\x3f\xf8\xce\x9c\xe2\xf6\xec\x8d"
        "\xfa\xd5\xe6\xb5\x99\xce\xb4\xbe\xee\xdc\xbf\xee\x9c\xe9\x8d\x8d\x8d"
        "\x8d\x7a\xea\x64\x23\xe7\x64\xce\xe5\x9c\x2b\x39\x57\x73\xae\xe5\x8c"
        "\x22\xd7\xcf\xd9\xc8\x39\x99\x73\x39\xe7\x4a\xce\xd5\x9c\x6b\x39\xe3"
        "\x48\xae\x9f\xb3\x91\x73\x32\xe7\x72\xce\x95\x9c\xab\x39\xd7\x72\x46"
        "\x2d\xd7\xcf\xd9\xc8\x39\x99\x73\x39\xe7\x4a\xce\xd5\x9c\x6b\x39\xe3"
        "\x80\xcc\xdd\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x3e\x5e\x8a\xea\x9f\x14\xdf\xfe\xc6\x7a\xda\xe8\xef\xac\x2f\x3d"
        "\x19\x9d\x5c\xb5\x1e\xe8\xc7\xde\xcf\x03\x00\x00\xff\xff\x5a\x72\xfd"
        "\x09",
        3095);
    syz_mount_image(0x20000c00, 0x20000200, 0x14444, 0x20000240, 1, 0xc17,
                    0x20002440);
    break;
  case 1:
    memcpy((void*)0x20000180, "./bus\000", 6);
    res = syscall(__NR_open, 0x20000180ul, 0x14937eul, 0ul);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    memcpy((void*)0x200000c0, "./bus\000", 6);
    res = syscall(__NR_creat, 0x200000c0ul, 0ul);
    if (res != -1)
      r[1] = res;
    break;
  case 3:
    syscall(__NR_lseek, r[1], 0x7ffffcul, 0ul);
    break;
  case 4:
    syscall(__NR_write, r[1], 0x20000080ul, 0xfd14ul);
    {
      int i;
      for (i = 0; i < 32; i++) {
        syscall(__NR_write, r[1], 0x20000080ul, 0xfd14ul);
      }
    }
    break;
  case 5:
    syscall(__NR_mmap, 0x20000000ul, 0x600000ul, 0x27ffffful, 0x4002011ul, r[0],
            0ul);
    break;
  case 6:
    memcpy((void*)0x200007c0, "/dev/full\000", 10);
    res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x200007c0ul, 0ul, 0ul);
    if (res != -1)
      r[2] = res;
    break;
  case 7:
    syscall(__NR_openat, 0xffffffffffffff9cul, 0ul, 2ul, 0ul);
    break;
  case 8:
    syscall(__NR_ioctl, r[1], 0x81f8943c, 0ul);
    break;
  case 9:
    syscall(__NR_openat, 0xffffffffffffff9cul, 0ul, 0ul, 0ul);
    break;
  case 10:
    syscall(__NR_getdents, -1, 0ul, 0ul);
    break;
  case 11:
    syscall(__NR_getdents, -1, 0ul, 0ul);
    break;
  case 12:
    syscall(__NR_ioctl, -1, 0xc4009420, 0ul);
    break;
  case 13:
    syscall(__NR_open, 0ul, 0ul, 0ul);
    break;
  case 14:
    syscall(__NR_open_tree, r[2], 0ul, 0ul);
    break;
  case 15:
    syscall(__NR_read, r[2], 0x20000080ul, 0xffffff1cul);
    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;
}