// https://syzkaller.appspot.com/bug?id=f34aaaca22b6590b45be3c10114cf04f402cfdc0
// 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, max_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 void reset_loop_device(const char* loopname)
{
  int loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    return;
  }
  if (ioctl(loopfd, LOOP_CLR_FD, 0)) {
  }
  close(loopfd);
}

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, 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) {
    int loopfd;
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    close(loopfd);
    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)
    reset_loop_device(loopname);
  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;
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;

retry:
  while (umount2(dir, umount_flags) == 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, umount_flags) == 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, umount_flags))
        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, umount_flags))
          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)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  int i, call, thread;
  for (call = 0; call < 4; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      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 (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    memcpy((void*)0x400000001500, "exfat\000", 6);
    memcpy((void*)0x400000001540, "./file0\000", 8);
    *(uint8_t*)0x400000000000 = 0;
    sprintf((char*)0x400000000001, "0x%016llx", (long long)-1);
    sprintf((char*)0x400000000013, "0x%016llx", (long long)-1);
    memcpy(
        (void*)0x400000002c40,
        "\x78\x9c\xec\xdc\x0b\x98\x8d\x55\xfb\x30\xf0\x75\xaf\xb5\x9e\x31\xa6"
        "\x49\xbb\x49\xce\xeb\x5e\xf7\xc3\x4e\x83\x65\x92\x24\x87\x24\x39\x24"
        "\x49\x12\x92\x73\x42\xd2\x24\x49\x92\xc4\x90\x53\x12\x92\x90\xe3\x24"
        "\x89\x31\x21\x39\x0c\x26\x8d\xf3\xf9\x90\x73\xd2\x24\x49\x92\xe4\x94"
        "\x53\x58\xdf\x35\xbd\xbd\x9f\xaf\x7a\xff\x5f\xff\xff\xfb\xbd\xef\xbf"
        "\xff\xf5\xcd\xfd\xbb\xae\x75\xed\x75\xcf\xf3\xdc\xf7\x5e\x6b\xee\x6b"
        "\xf6\x7e\x9e\x7d\x5d\xb3\xbf\xef\x31\xb2\x76\xb3\x3a\x35\x1a\x13\x91"
        "\xf8\x67\xa8\xbf\x4f\xe0\x6f\x0f\x29\x42\x88\x58\x21\xc4\x10\x21\xc4"
        "\x75\x42\x88\x40\x08\x51\x21\xa1\x42\x42\xce\xf1\xbc\x0a\x52\xfe\xa9"
        "\x27\x61\xff\x26\x4d\xd2\xfe\xea\x15\xb0\xbf\x12\xf7\x3f\x77\xe3\xfe"
        "\xe7\x6e\xdc\xff\xdc\x8d\xfb\x9f\xbb\x71\xff\x73\x37\xee\x7f\xee\xc6"
        "\xfd\xcf\xdd\xb8\xff\x8c\xe5\x6a\xe9\x85\xaf\xe7\x91\x7b\x07\x7f\xfe"
        "\x9f\x9b\xf1\xfb\x7f\xee\xc6\xfd\xcf\xdd\xb8\xff\xb9\x1b\xf7\x3f\x77"
        "\xe3\xfe\xe7\x6e\xdc\xff\xdc\x8d\xfb\xff\xff\x9d\xbc\xff\x95\x93\xb9"
        "\xff\xb9\x1b\xf7\x9f\xb1\x5c\xed\x7f\xc0\x67\xd0\x3c\xfe\xc2\xc1\x18"
        "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c"
        "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6"
        "\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18"
        "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c"
        "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6"
        "\x18\x63\x8c\x31\xc6\x18\x63\x8c\xfd\x37\x38\xef\xaf\xd2\x42\x88\xbf"
        "\xcf\xff\xea\x75\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\xec\x5f\xc7\xe7"
        "\xf9\xbf\x1f\xcf\xfb\xdf\xb5\x10\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c"
        "\xfd\x1b\x81\x90\x42\x09\x2d\x02\x11\x23\xf2\x88\x58\x91\x57\xc4\x89"
        "\x6b\x44\xbc\xb8\x56\xe4\x13\xd7\x89\x88\xb8\x5e\x24\x88\x1b\x44\x7e"
        "\x71\xa3\x28\x20\x0a\x8a\x42\xa2\xb0\x28\x22\x8a\x8a\x62\xc2\x08\x14"
        "\x56\x90\x08\x45\x71\x51\x42\x44\xc5\x4d\xa2\xa4\xb8\x59\x24\x8a\x52"
        "\xa2\xb4\x28\x23\x9c\x28\x2b\x92\xc4\x2d\xa2\x9c\xb8\x55\x94\x17\xb7"
        "\x89\x0a\xe2\x76\x51\x51\xdc\x21\x2a\x89\xca\xa2\x8a\xa8\x2a\xee\x14"
        "\xd5\xc4\x5d\xa2\xba\xb8\x5b\xd4\x10\xf7\x88\x9a\xa2\x96\xa8\x2d\xea"
        "\x88\x7b\x45\x5d\x71\x9f\xa8\x27\xee\x17\xf5\xc5\x03\xa2\x81\x78\x50"
        "\x34\x14\x0f\x89\x46\xe2\x61\xd1\x58\x34\x11\x4d\xc5\x23\xa2\x99\x78"
        "\x54\x34\x17\x2d\x44\x4b\xd1\x4a\xb4\x16\x6d\x44\xdb\x7f\x2a\xff\x25"
        "\xd1\x5b\xbc\x2c\xfa\x88\xbe\x22\x45\xf4\x13\xfd\xc5\x2b\x62\x80\x18"
        "\x28\x06\x89\xc1\x62\x88\x78\x55\x0c\x15\xaf\x89\x61\xe2\x75\x31\x5c"
        "\x8c\x10\x23\xc5\x1b\x62\x94\x78\x53\x8c\x16\x6f\x89\x31\x62\xac\x18"
        "\x27\xde\x16\xe3\xc5\x04\x31\x51\x4c\x12\x93\xc5\x14\x91\x2a\xde\x11"
        "\x53\xc5\xbb\x62\x9a\x78\x4f\x4c\x17\xef\x8b\x19\x62\xa6\x48\x13\xb3"
        "\x44\xba\xf8\x40\xcc\x16\x73\xc4\x5c\xf1\xa1\x98\x27\x3e\x12\xf3\xc5"
        "\x02\xb1\x50\x2c\x12\x19\x62\xb1\x58\x22\x96\x8a\x4c\xf1\xb1\x58\x26"
        "\x3e\x11\x59\x62\xb9\x58\x21\x56\x8a\x55\x62\xb5\x58\x23\xd6\x8a\x75"
        "\x62\xbd\xd8\x20\x36\x8a\x4d\x62\xb3\xd8\x22\xb6\x8a\x6d\xe2\x53\xb1"
        "\x5d\xec\x10\x3b\xc5\x2e\xb1\x5b\xec\x11\x7b\xc5\x67\x62\x9f\xf8\x5c"
        "\xec\x17\x5f\x88\x6c\xf1\xe5\x7f\x31\xff\xdc\xef\xf2\x7b\x82\x00\x01"
        "\x12\x24\x68\xd0\x10\x03\x31\x10\x0b\xb1\x10\x07\x71\x10\x0f\xf1\x90"
        "\x0f\xf2\x41\x04\x22\x90\x00\x09\x90\x1f\xf2\x43\x01\x28\x00\x85\xa0"
        "\x10\x14\x81\x22\x50\x0c\x8a\x01\x02\x02\x01\x41\x71\x28\x0e\x51\x88"
        "\x42\x49\x28\x09\x89\x90\x08\xa5\xa1\x34\x38\x70\x90\x04\x49\x50\x0e"
        "\x6e\x85\xf2\x50\x1e\x2a\x40\x05\xa8\x08\x15\xa1\x12\x54\x86\xca\x50"
        "\x15\xaa\x42\x35\xa8\x06\xd5\xa1\x3a\xd4\x80\x1a\x50\x13\x6a\x42\x6d"
        "\xa8\x0d\xf7\xc2\xbd\x70\x1f\xd4\x83\x7a\x50\x1f\xea\x43\x03\x68\x00"
        "\x0d\xa1\x21\x34\x82\x46\xd0\x18\x1a\x43\x53\x68\x0a\xcd\xa0\x19\x34"
        "\x87\xe6\xd0\x12\x5a\x42\x6b\x68\x0d\x6d\xa1\x2d\xb4\x83\x76\xd0\x1e"
        "\xda\x43\x47\xe8\x08\x9d\xa0\x13\x74\x86\xce\x90\x0c\xc9\xd0\x05\xba"
        "\x40\x57\xe8\x0a\xdd\xa0\x1b\x74\x87\xee\xd0\x03\x7a\x40\x4f\x78\x11"
        "\x5e\x84\x97\xe0\x25\x78\x19\x5e\x86\xbe\x50\x53\xf6\x83\xfe\xd0\x1f"
        "\x06\xc0\x00\x18\x04\x83\x61\x30\xbc\x0a\x43\xe1\x35\x78\x0d\x5e\x87"
        "\xe1\x30\x02\x46\xc2\x1b\xf0\x06\xbc\x09\xa3\xe1\x2c\x8c\x81\xb1\x30"
        "\x0e\xc6\x41\x35\x39\x01\x26\xc2\x24\x20\x39\x05\x52\x21\x15\xa6\xc2"
        "\x54\x98\x06\xd3\x60\x3a\xbc\x0f\x93\x60\x26\xa4\xc1\x2c\x48\x87\x74"
        "\x98\x0d\x73\x60\x0e\x7c\x08\xf3\xe0\x23\xf8\x08\x16\xc0\x02\x58\x04"
        "\x19\x90\x01\x4b\x60\x29\x64\x42\x26\x2c\x83\x73\x90\x05\xcb\x61\x05"
        "\xac\x84\x55\xb0\x1a\x56\xc1\x5a\x58\x07\x6b\x61\x03\x6c\x84\x0d\xb0"
        "\x19\x36\xc3\x56\xd8\x0a\x9f\xc2\xa7\xb0\x03\x76\xc0\x2e\xd8\x05\x7b"
        "\x60\x0f\x7c\x06\x9f\xc1\xe7\xf0\x39\x0c\x87\x6c\xc8\x86\x03\x70\x00"
        "\x0e\xc2\x41\x38\x04\x87\xe0\x30\x1c\x86\x23\x70\x04\x8e\xc2\x51\x38"
        "\x06\xc7\xe0\x38\x1c\x87\x13\x70\x12\x4e\xc1\x49\x38\x03\x67\xe0\x2c"
        "\x9c\x83\xf3\x70\x1e\x2e\xc2\x45\xb8\x04\x97\xe0\x0a\x5c\xc9\xf9\xe3"
        "\x97\x39\xb4\xd4\x32\x46\xc6\xc8\x58\x19\x2b\xe3\x64\x9c\x8c\x97\xf1"
        "\x32\x9f\xcc\x27\x23\x32\x22\x13\x64\x82\xcc\x2f\xf3\xcb\x02\xb2\x80"
        "\x2c\x24\x0b\xc9\x22\xb2\x88\x2c\x26\x8b\x49\x94\x28\x49\x86\xb2\xb8"
        "\x2c\x2e\xa3\x32\x2a\x4b\xca\x92\x32\x51\x26\xca\xd2\xb2\xb4\x74\xd2"
        "\xc9\x24\x99\x24\xcb\xc9\x72\xb2\xbc\x2c\x2f\x2b\xc8\xdb\x65\x45\x79"
        "\x87\xac\x24\x2b\xcb\x0e\xae\xaa\xac\x2a\xab\xc9\x8e\xae\xba\xbc\x5b"
        "\xd6\x90\x35\x64\x4d\x59\x4b\xd6\x96\x75\x64\x1d\x59\x57\xd6\x95\xf5"
        "\x64\x3d\x59\x5f\xd6\x97\x0d\x64\x03\xd9\x50\x3e\x24\x1b\xc9\x7e\x30"
        "\x08\x9a\xc8\x9c\xce\x34\x93\x23\xa0\xb9\x1c\x09\x2d\x65\x2b\xd9\x5a"
        "\xb6\x91\x6f\xc2\x63\xb2\x9d\x1c\x0d\xed\x65\x07\xd9\x51\x3e\x21\xc7"
        "\xc2\x18\xe8\x2c\xdb\xb9\x64\xf9\xb4\xec\x22\x27\x42\x57\xf9\xac\x9c"
        "\x04\xcf\xc9\xee\x72\x0a\xf4\x90\x2f\xc8\x9e\xf2\x45\xd9\x4b\xbe\x24"
        "\x7b\xcb\xf6\xae\x8f\xec\x2b\xa7\x43\x3f\xd9\x5f\xce\x84\x01\x72\xa0"
        "\x1c\x24\x07\xcb\xd9\x50\x4b\xe6\x74\xac\xb6\x7c\x5d\x0e\x97\x23\xe4"
        "\x48\xf9\x86\x5c\x04\x6f\xca\xd1\xf2\x2d\x39\x46\x8e\x95\xe3\xe4\xdb"
        "\x72\xbc\x9c\x20\x27\xca\x49\x72\xb2\x9c\x22\x53\xe5\x3b\x72\xaa\x7c"
        "\x57\x4e\x93\xef\x49\x29\xdf\x97\x33\xe4\x4c\x99\x26\x67\xc9\x74\xf9"
        "\x81\x9c\x2d\xe7\xc8\xb9\xf2\x43\x39\x4f\x7e\x14\x2b\x84\x90\x0b\xe5"
        "\x22\x99\x21\x17\xcb\x25\x72\xa9\xcc\x94\x1f\xcb\x65\xf2\x13\x99\x25"
        "\x97\xcb\x15\x72\xa5\x5c\x25\x57\xcb\x35\x72\xad\x5c\x27\xd7\xcb\x0d"
        "\x72\xa3\xdc\x24\x37\xcb\x2d\x72\xab\xdc\x26\x3f\x95\xdb\xe5\x0e\xb9"
        "\x53\xee\x92\xbb\xe5\x1e\xb9\x57\x7e\x26\xf7\xc9\xcf\xe5\x7e\xf9\x85"
        "\xcc\x96\x5f\xca\x03\xf2\x2b\x79\x50\x7e\x2d\x0f\xc9\x6f\xe4\x61\xf9"
        "\xad\x3c\x22\xbf\x93\x47\xe5\xf7\xf2\x98\xfc\x41\x1e\x97\x3f\xca\x13"
        "\xf2\xa4\x3c\x25\x4f\xcb\x33\xf2\x27\x79\x56\x9e\x93\xe7\xe5\x05\x79"
        "\x51\xfe\x2c\x2f\xc9\xcb\xf2\x8a\xf4\x52\x28\x50\x52\x29\xa5\x55\xa0"
        "\x62\x54\x1e\x15\xab\xf2\xaa\x38\x75\x8d\x8a\x57\xd7\xaa\x7c\xea\x3a"
        "\x15\x51\xd7\xab\x04\x75\x83\xca\xaf\x6e\x54\x05\x54\x41\x55\x48\x15"
        "\x56\x45\x54\x51\x55\x4c\x19\x85\xca\x2a\x52\xa1\x2a\xae\x4a\xa8\xa8"
        "\xba\x49\x95\x54\x37\xab\x44\x55\x4a\x95\x56\x65\x94\x53\x65\x55\x92"
        "\xba\x45\x95\x53\xb7\xaa\xf2\xea\x36\x55\x41\xdd\xae\x2a\xaa\x3b\x54"
        "\x25\x55\x59\x55\x51\x55\xd5\x9d\xaa\x9a\xba\x4b\x55\x57\x77\xab\x1a"
        "\xea\x1e\x55\x53\xd5\x52\xb5\x55\x1d\x75\xaf\xaa\xab\xee\x53\xf5\xd4"
        "\xfd\xaa\xbe\x7a\x40\x35\x50\x0f\xaa\x86\xea\x21\xd5\x48\x3d\xac\x1a"
        "\xab\x26\xaa\xa9\x7a\x44\x35\x53\x8f\xaa\xe6\xaa\x85\x6a\xa9\x5a\xa9"
        "\xd6\xaa\x8d\x6a\xab\x1e\x53\xed\xd4\xe3\xaa\xbd\xea\xa0\x3a\xaa\x27"
        "\x54\x27\xf5\xa4\xea\xac\x9e\x52\xc9\xea\x69\xd5\x45\x3d\xa3\xba\xaa"
        "\x67\x55\x37\xf5\x9c\xea\xae\x9e\x57\x3d\xd4\x0b\xaa\xa7\x7a\x51\xf5"
        "\x52\x97\xd5\x15\xe5\x55\x1f\xd5\x57\xa5\xa8\x7e\xaa\xbf\x7a\x45\x0d"
        "\x50\x03\xd5\x20\x35\x58\x0d\x51\xaf\xaa\xa1\xea\x35\x35\x4c\xbd\xae"
        "\x86\xab\x11\x6a\xa4\x7a\x43\x8d\x52\x6f\xaa\xd1\xea\x2d\x35\x46\x8d"
        "\x55\xe3\xd4\xdb\x6a\xbc\x9a\xa0\x26\xaa\x49\x6a\xb2\x9a\xa2\x52\xd5"
        "\x3b\x6a\xaa\x7a\x57\x4d\x53\xef\xa9\xe9\xea\x7d\x35\x43\xcd\x54\x69"
        "\x6a\x96\x1a\xf4\x6b\xa5\xb9\xff\x89\xfc\x77\xff\x41\xfe\xb0\x5f\x9e"
        "\x7d\xab\xda\xa6\x3e\x55\xdb\xd5\x0e\xb5\x53\xed\x52\xbb\xd5\x1e\xb5"
        "\x57\xed\x55\xfb\xd4\x3e\xb5\x5f\xed\x57\xd9\x2a\x5b\x1d\x50\x07\xd4"
        "\x41\x75\x50\x1d\x52\x87\xd4\x61\x75\x58\x1d\x51\x47\xd4\x51\x75\x54"
        "\x1d\x53\xc7\xd4\x71\x75\x5c\x9d\x50\x27\xd5\x05\x75\x5a\x9d\x51\x3f"
        "\xa9\xb3\xea\x9c\x3a\xa7\x2e\xa8\x8b\xea\xa2\xba\xf4\xeb\xef\x40\x68"
        "\xd0\x52\x2b\xad\x75\xa0\x63\x74\x1e\x1d\xab\xf3\xea\x38\x7d\x8d\x8e"
        "\xd7\xd7\xea\x7c\xfa\x3a\x1d\xd1\xd7\xeb\x04\x7d\x83\xce\xaf\x6f\xd4"
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        "\xa1\x2e\xae\x4b\xe8\xa8\xbe\x49\x97\xd4\x37\xeb\x44\x5d\x4a\x97\xd6"
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        "\x0d\xe2\x82\xb8\x20\x3e\x88\x0f\xf2\x05\xf9\x82\x48\x10\x09\x12\x82"
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        "\xb1\xc0\x04\x18\xd8\x80\x82\x30\x28\x1e\x94\x08\xa2\xc1\x4d\x41\xc9"
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        "\xa8\x1c\x54\x09\xaa\x06\x77\x06\xd5\x82\xbb\x82\xea\xc1\xdd\x41\x8d"
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        "\x86\x98\x57\xcd\x50\xf3\x9a\x19\x66\x5e\x37\xc3\xcd\x08\x33\xd2\xbc"
        "\x61\x46\x99\x37\xcd\x68\xf3\x96\x19\x63\xc6\x9a\x71\xe6\x6d\x33\xde"
        "\x4c\x30\x13\xcd\x24\x33\xd9\x4c\x31\xa9\xe6\x1d\x33\xd5\xbc\x6b\xa6"
        "\x99\xf7\xcc\x74\xf3\xbe\x99\x61\x66\x9a\x34\x33\xcb\xa4\x9b\x0f\xcc"
        "\x6c\x33\xc7\xcc\x35\x1f\x9a\x79\xe6\x23\x33\xdf\x2c\x30\x0b\xcd\x22"
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        "\x9b\x15\x66\xa5\x59\x65\x56\x9b\x35\x66\xad\x59\x67\xd6\x9b\x0d\x66"
        "\xa3\xd9\x64\x36\x9b\x2d\x66\xab\xd9\x66\x3e\x35\xdb\xcd\x0e\xb3\xd3"
        "\xec\x32\xbb\xcd\x1e\xb3\xd7\x7c\x66\xf6\x99\xcf\xcd\x7e\xf3\x85\xc9"
        "\x36\x5f\x9a\x03\xe6\x2b\x73\xd0\x7c\x6d\x0e\x99\x6f\xcc\x61\xf3\xad"
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        "\xa4\x39\x65\x4e\x9b\x33\xe6\x27\x73\xd6\x9c\x33\xe7\xcd\x05\x73\xd1"
        "\xfc\x6c\x2e\x99\xcb\xe6\x8a\xf1\x39\x17\xf7\x39\x6f\xef\xa8\x51\x63"
        "\x0c\xc6\x60\x2c\xc6\x62\x1c\xc6\x61\x3c\xc6\x63\x3e\xcc\x87\x11\x8c"
        "\x60\x02\x26\x60\x7e\xcc\x8f\x05\xb0\x00\x16\xc2\x42\x58\x04\x8b\x60"
        "\x31\x2c\x86\x39\x08\x09\x8b\x63\x71\x8c\x62\x14\x4b\x62\x49\x4c\xc4"
        "\x44\x2c\x8d\xa5\xd1\xa1\xc3\x24\x4c\xc2\x72\x58\x0e\xcb\x63\x79\xac"
        "\x80\x15\xb0\x22\x56\xc4\x4a\x58\x09\xab\x60\x15\xbc\x13\xef\xc4\xbb"
        "\xf0\x2e\xbc\x1b\xef\xc6\x7b\xf0\x1e\xac\x85\xb5\xb0\x0e\xd6\xc1\xba"
        "\x58\x17\xeb\x61\x3d\xac\x8f\xf5\xb1\x01\x36\xc0\x86\xd8\x10\x1b\x61"
        "\x23\x6c\x8c\x8d\xb1\x29\x36\xc5\x66\xd8\x0c\x9b\x63\x73\x6c\x89\x2d"
        "\xb1\x35\xb6\xc6\xb6\xd8\x16\xdb\x61\x3b\x6c\x8f\xed\xb1\x23\x76\xc4"
        "\x4e\xd8\x09\x3b\x63\x67\x4c\xc6\x64\xec\x82\x5d\xb0\x2b\x76\xc5\x6e"
        "\xd8\x0d\xbb\x63\x77\xec\x81\x3d\xb0\x27\xf6\xc4\x5e\xd8\x0b\x7b\x63"
        "\x6f\xec\x83\x7d\x30\x05\x53\xb0\x3f\xf6\xc7\x01\x38\x00\x07\xe1\x20"
        "\x1c\x82\x43\x70\x28\x0e\xc5\x61\x38\x0c\x87\xe3\x70\x1c\x89\x23\x71"
        "\x14\x8e\xc2\xd1\x38\x1a\xc7\xe0\x58\x1c\x87\x6f\xe3\x78\x9c\x80\x13"
        "\x71\x12\x4e\xc6\x29\x98\x8a\xa9\x38\x15\xa7\xe2\x34\x9c\x86\xd3\x71"
        "\x3a\xce\xc0\x19\x98\x86\x69\x98\x8e\xe9\x38\x1b\x67\xe3\x5c\x9c\x8b"
        "\xf3\x70\x1e\xce\xc7\xf9\xb8\x10\x17\x62\x06\x66\xe0\x12\x5c\x82\x99"
        "\x98\x89\xcb\x70\x19\x66\x61\x16\xae\xc0\x15\xb8\x0a\x57\xe1\x1a\x5c"
        "\x83\xeb\x70\x1d\x6e\xc0\x0d\xb8\x09\x37\xe1\x16\xdc\x82\xdb\x70\x1b"
        "\x6e\xc7\xed\xb8\x13\x77\xe2\x6e\xdc\x8d\x7b\x71\x2f\xee\xc3\x7d\xb8"
        "\x1f\xf7\x63\x36\x66\xe3\x01\x3c\x80\x07\xf1\x20\x1e\xc2\x43\x78\x18"
        "\x0f\xe3\x11\x3c\x82\x47\xf1\x28\x1e\xc3\x63\x78\x1c\x8f\xe3\x09\x3c"
        "\x81\xa7\xf0\x14\x9e\xc1\x33\x78\x16\xcf\xe2\x79\x3c\x8f\x17\xf1\x67"
        "\xbc\x84\x97\xf1\x0a\x7a\x8c\xb5\x79\x6d\x9c\xbd\xc6\xc6\xdb\x6b\x6d"
        "\x3e\x7b\x9d\xfd\x7d\x5c\xc8\x16\xb6\x45\x6c\x51\x5b\xcc\x1a\x5b\xc0"
        "\x16\xfc\x4d\x8c\xd6\xda\x44\x5b\xca\x96\xb6\x65\xac\xb3\x65\x6d\x92"
        "\xbd\xe5\x0f\x71\x25\x5b\xd9\x56\xb1\x55\xed\x9d\xb6\x9a\xbd\xcb\x56"
        "\xff\x43\x5c\xd7\xde\x67\xeb\xd9\xfb\x6d\x7d\xfb\x80\xad\x63\xef\xfd"
        "\x4d\xdc\xc0\x3e\x68\x1b\xda\x47\x6d\x23\xdb\xc2\x36\xb6\xad\x6c\x53"
        "\xdb\xc6\x36\xb3\x8f\xda\xe6\xb6\x85\x6d\x69\x5b\xd9\xd6\xb6\x8d\xed"
        "\x64\x9f\xb4\x9d\xed\x53\x36\xd9\x3e\x6d\xbb\xd8\x67\xfe\x10\x2f\xb1"
        "\x4b\xed\x3a\xbb\xde\x6e\xb0\x1b\xed\x3e\xfb\xb9\x3d\x6f\x2f\xd8\xa3"
        "\xf6\x7b\x7b\xd1\xfe\x6c\xfb\xd8\xbe\x76\x88\x7d\xd5\x0e\xb5\xaf\xd9"
        "\x61\xf6\x75\x3b\xdc\x8e\xf8\x43\x3c\xce\xbe\x6d\xc7\xdb\x09\x76\xa2"
        "\x9d\x64\x27\xdb\x29\x7f\x88\x67\xd8\x99\x36\xcd\xce\xb2\xe9\xf6\x03"
        "\x3b\xdb\xce\xf9\x43\x9c\x61\x17\xdb\x79\x36\xd3\xce\xb7\x0b\xec\x42"
        "\xbb\xe8\x97\x38\x67\x4d\x99\xf6\x63\xbb\xcc\x7e\x62\xb3\xec\x72\xbb"
        "\xc2\xae\xb4\xab\xec\x6a\xbb\xc6\xae\xfd\xdf\x6b\x5d\x69\x37\xdb\x2d"
        "\x76\xab\xdd\x6b\x3f\xb3\xdb\xed\x0e\xbb\xd3\xee\xb2\xbb\xed\x9e\x5f"
        "\xe2\x9c\x7d\xec\xb7\x5f\xd8\x6c\xfb\xa5\x3d\x62\xbf\xb3\x07\xed\xd7"
        "\xf6\x90\x3d\x66\x0f\xdb\x6f\x7f\x89\x73\xf6\x77\xcc\xfe\x60\x8f\xdb"
        "\x1f\xed\x09\x7b\xd2\x9e\xb2\xa7\xed\x19\xfb\x93\x3d\x6b\xcf\xfd\xb2"
        "\xff\x9c\xbd\x9f\xb6\x97\xed\x15\xeb\xad\x20\x20\x49\x8a\x34\x05\x14"
        "\x43\x79\x28\x96\xf2\x52\x1c\x5d\x43\xf1\x74\x2d\xe5\xa3\xeb\x28\x42"
        "\xd7\x53\x02\xdd\x40\xf9\xe9\x46\x2a\x40\x05\xa9\x10\x15\xa6\x22\x54"
        "\x94\x8a\x91\x21\x24\x4b\x44\x21\x15\xa7\x12\x14\xa5\x9b\xa8\x24\xdd"
        "\x4c\x89\x54\x8a\x4a\x53\x19\x72\x54\x96\x92\xe8\x16\x2a\x47\xb7\x52"
        "\x79\xba\x8d\x2a\xd0\xed\x54\x91\xee\xa0\x4a\x54\x99\xaa\x50\x55\xba"
        "\x93\xaa\xd1\x5d\x54\x9d\xee\xa6\x1a\x74\x0f\xd5\xa4\x5a\x54\x9b\xea"
        "\xd0\xbd\x54\x97\xee\xa3\x7a\x74\x3f\xd5\xa7\x07\xa8\x01\x3d\x48\x0d"
        "\xe9\x21\x6a\x44\x0f\x53\x63\x6a\x42\x4d\xe9\x11\x6a\x46\x8f\x52\x73"
        "\x6a\x41\x2d\xa9\x15\xb5\xa6\x36\xd4\x96\x1e\xa3\x76\xf4\x38\xb5\xa7"
        "\x0e\xd4\x91\x9e\xa0\x4e\xf4\x24\x75\xa6\xa7\x28\x99\x9e\xa6\x2e\xf4"
        "\x0c\x75\xa5\x67\xa9\x1b\x3d\x47\xdd\xe9\x79\xea\x41\x2f\x50\x4f\x7a"
        "\x91\x7a\xd1\x4b\xd4\x9b\x5e\xa6\x3e\xd4\x97\x52\xa8\x1f\xf5\xa7\x57"
        "\x68\x00\x0d\xa4\x41\x34\x98\x86\xd0\xab\x34\x94\x5e\xa3\x61\xf4\x3a"
        "\x0d\xa7\x11\x34\x92\xde\xa0\x51\xf4\x26\x8d\xa6\xb7\x68\x0c\x8d\xa5"
        "\x71\xf4\x36\x8d\xa7\x09\x34\x91\x26\xd1\x64\x9a\x42\xa9\xf4\x0e\x4d"
        "\xa5\x77\x69\x1a\xbd\x47\xd3\xe9\x7d\x9a\x41\x33\x29\x8d\x66\x51\x3a"
        "\x7d\x40\xb3\x69\x0e\xcd\xa5\x0f\x69\x1e\x7d\x44\xf3\x69\x01\x2d\xa4"
        "\x45\x94\x41\x8b\x69\x09\x2d\xa5\x4c\xfa\x98\x96\xd1\x27\x94\x45\xcb"
        "\x69\x05\xad\xa4\x55\xb4\x9a\xd6\xd0\x5a\x5a\x47\xeb\x69\x03\x6d\xa4"
        "\x4d\xb4\x99\xb6\xd0\x56\xda\x46\x9f\xd2\x76\xda\x41\x3b\x69\x17\xed"
        "\xa6\x3d\xb4\x97\x3e\xa3\x7d\xf4\x39\xed\xa7\x2f\x28\x9b\xbe\xa4\x03"
        "\xf4\x15\x1d\xa4\xaf\xe9\x10\x7d\x43\x87\xe9\x5b\x3a\x42\xdf\xd1\x51"
        "\xfa\x9e\x8e\xd1\x0f\x74\x9c\x7e\xa4\x13\x74\x92\x4e\xd1\x69\x3a\x43"
        "\x3f\xd1\x59\x3a\x47\xe7\xe9\x02\x5d\xa4\x9f\xe9\x12\x5d\xa6\x2b\xe4"
        "\x49\x84\x10\xca\x50\x85\x3a\x0c\xc2\x98\x30\x4f\x18\x1b\xe6\x0d\xe3"
        "\xc2\x6b\xc2\xf8\xf0\xda\x30\x5f\x78\x5d\x18\x09\xaf\x0f\x13\xc2\x1b"
        "\xc2\xfc\xe1\x8d\x61\x81\xb0\x60\x58\x28\x2c\x1c\x16\x09\x8b\x86\xc5"
        "\x42\x13\x62\x68\x43\x0a\xc3\xb0\x78\x58\x22\x8c\x86\x37\x85\x25\xc3"
        "\x9b\xc3\xc4\xb0\x54\x58\x3a\x2c\x13\xba\xb0\x6c\x98\x14\xde\x12\x96"
        "\x0b\x6f\x0d\xcb\x87\xb7\x85\x15\xc2\xdb\xc3\x8a\xe1\x1d\x61\xa5\xb0"
        "\x72\x58\x25\xac\x1a\xde\x19\x56\x0b\xef\x0a\xab\x87\x77\x87\x35\xc2"
        "\x7b\xc2\x9a\x61\xad\xb0\x76\x58\x27\xbc\x37\xac\x1b\xde\x17\xd6\x0b"
        "\xef\x0f\xeb\x87\x0f\x84\xe5\xc3\x07\xc3\x86\xe1\x43\x61\xa3\xf0\xe1"
        "\xb0\x71\xd8\x24\x6c\x1a\x3e\x12\x36\x0b\x1f\x0d\x9b\x87\x2d\xc2\x96"
        "\x61\xab\xb0\x75\xd8\x26\x6c\x1b\x3e\x16\xb6\x0b\x1f\x0f\xdb\x87\x1d"
        "\xc2\x8e\xe1\x13\x61\xa7\xf0\xc9\xb0\x73\xf8\x54\x98\x1c\x3e\x1d\x76"
        "\x09\x9f\xf9\xd3\xe3\x29\x61\xbf\xb0\x7f\xf8\x4a\xf8\x4a\xe8\xfd\xfd"
        "\x6a\x61\x74\x51\x34\x23\xba\x38\xba\x24\xba\x34\x9a\x19\xfd\x38\xba"
        "\x2c\xfa\x49\x34\x2b\xba\x3c\xba\x22\xba\x32\xba\x2a\xba\x3a\xba\x26"
        "\xba\x36\xba\x2e\xba\x3e\xba\x21\xba\x31\xba\x29\xba\x39\xba\x25\xba"
        "\x35\xea\x7d\x9d\x3c\xc2\x81\x93\x4e\x39\xed\x02\x17\xe3\xf2\xb8\x58"
        "\x97\xd7\xc5\xb9\x6b\x5c\xbc\xbb\xd6\xe5\x73\xd7\xb9\x88\xbb\xde\x25"
        "\xb8\x1b\x5c\x7e\x77\xa3\x2b\xe0\x0a\xba\x42\xae\xb0\x2b\xe2\x8a\xba"
        "\x62\xce\x38\x74\xd6\x91\x0b\x5d\x71\x57\xc2\x45\xdd\x4d\xae\xa4\xbb"
        "\xd9\x25\xba\x52\xae\xb4\x2b\xe3\x9c\x2b\xeb\x92\x5c\x1b\xd7\xd6\xb5"
        "\x75\xed\xdc\xe3\xae\xbd\xeb\xe0\x3a\xba\x27\xdc\x13\xee\x49\xf7\xa4"
        "\x7b\xca\x3d\xe5\x9e\x76\x5d\xdc\x33\xae\xab\x7b\xd6\x75\x73\xcf\xb9"
        "\xee\xee\x79\xf7\xbc\x7b\xc1\xf5\x74\x2f\xba\x5e\xee\x25\xd7\xdb\xbd"
        "\xec\xfa\xb8\xbe\x2e\xc5\xa5\xb8\xfe\xae\xbf\x1b\xe0\x06\xb8\x41\x6e"
        "\x90\x1b\xe2\x86\xb8\xa1\x6e\xa8\x1b\xe6\x86\xb9\xe1\x6e\xb8\x1b\xe9"
        "\x46\xba\x51\x6e\x94\x1b\xed\x46\xbb\x31\x6e\x8c\x1b\xe7\xc6\xb9\xf1"
        "\x6e\xbc\x9b\xe8\x26\xba\xc9\x6e\xb2\x4b\x75\xa9\x6e\xaa\x9b\xea\xa6"
        "\xb9\x69\x6e\xba\x9b\xee\x66\xb8\x19\x2e\xcd\xa5\xb9\x74\x97\xee\x66"
        "\xbb\xd9\x6e\xae\x9b\x1b\x3b\xcf\xcd\x73\xf3\xdd\x7c\xb7\xd0\x2d\x74"
        "\x19\x2e\xc3\x2d\x71\x4b\x5c\xa6\xcb\x74\xcb\xdc\x32\x97\xe5\xb2\xdc"
        "\x0a\xb7\xc2\xad\x72\xab\xdc\x1a\xb7\xc6\xad\x73\xeb\xdc\x06\xb7\xc1"
        "\x6d\x72\x9b\xdc\x16\xb7\xc5\x6d\x73\xdb\xdc\x76\xb7\xdd\xed\x74\x3b"
        "\xdd\x6e\xb7\xdb\xed\x75\x7b\xdd\x3e\xb7\xcf\xed\x77\xfb\x5d\xb6\xcb"
        "\x76\x07\xdc\x01\x77\xd0\x1d\x74\x87\xdc\x37\xee\xb0\xfb\xd6\x1d\x71"
        "\xdf\xb9\xa3\xee\x7b\x77\xcc\xfd\xe0\x8e\xbb\x1f\xdd\x09\x77\xd2\x9d"
        "\x72\xa7\xdd\x19\xf7\x93\x3b\xeb\xce\xb9\xf3\xee\x82\xbb\xe8\x7e\x76"
        "\x97\xdc\x65\x77\xc5\x79\x97\x1a\x79\x27\x32\x35\xf2\x6e\x64\x5a\xe4"
        "\xbd\xc8\xf4\xc8\xfb\x91\x19\x91\x99\x91\xb4\xc8\xac\x48\x7a\xe4\x83"
        "\xc8\xec\xc8\x9c\xc8\xdc\xc8\x87\x91\x79\x91\x8f\x22\xf3\x23\x0b\x22"
        "\x0b\x23\x8b\x22\x19\x91\xc5\x91\x25\x91\xa5\x91\xcc\xc8\xc7\x91\x65"
        "\x91\x4f\x22\x59\x91\xe5\x91\x15\x91\x95\x91\x55\x91\xd5\x11\xef\x8b"
        "\x6e\x0f\x7d\x71\x5f\xc2\x47\xfd\x4d\xbe\xa4\xbf\xd9\x27\xfa\x52\xbe"
        "\xb4\x2f\xe3\x9d\x2f\xeb\x93\xfc\x2d\xbe\x9c\xbf\xd5\x97\xf7\xb7\xf9"
        "\x0a\xfe\x76\x5f\xd1\xdf\xe1\x2b\xf9\xca\xbe\x8a\x6f\xe1\x5b\xfa\x56"
        "\xbe\xb5\x6f\xe3\xdb\xfa\xc7\x7c\x3b\xff\xb8\x6f\xef\x3b\xf8\x8e\xfe"
        "\x09\xdf\xc9\x3f\xe9\x3b\xfb\xa7\x7c\xb2\x7f\xda\x77\xf1\xcf\xf8\xae"
        "\xfe\x59\xdf\xcd\x3f\xe7\xbb\xfb\xe7\x7d\x0f\xff\x82\xef\xe9\x5f\xf4"
        "\xbd\xfc\x4b\xbe\xb7\x7f\xd9\xf7\xf1\x7d\x7d\x8a\xef\xe7\xfb\xfb\x57"
        "\xfc\x00\x3f\xd0\x0f\xf2\x83\xfd\x10\xff\xaa\x1f\xea\x5f\xf3\xc3\xfc"
        "\xeb\x7e\xb8\x1f\xe1\x47\xfa\x37\xfc\x28\xff\xa6\x1f\xed\xdf\xf2\x63"
        "\xfc\x58\x3f\xce\xbf\xed\xc7\xfb\x09\x7e\xa2\x9f\xe4\x27\xfb\x29\x3e"
        "\xd5\xbf\xe3\xa7\xfa\x77\xfd\x34\xff\x9e\x9f\xee\xdf\xf7\x33\xfc\x4c"
        "\x9f\xe6\x67\xf9\x74\xff\x81\x9f\xed\xe7\xf8\xb9\xfe\x43\x3f\xcf\x7f"
        "\xe4\xe7\xfb\x05\x7e\xa1\x5f\xe4\x33\xfc\x62\xbf\xc4\x2f\xf5\x99\xfe"
        "\x63\xbf\xcc\x7f\xe2\xb3\xfc\x72\xbf\xc2\xaf\xf4\xab\xfc\x6a\xbf\xc6"
        "\xaf\xf5\xeb\xfc\x7a\xbf\xc1\x6f\xf4\x9b\xfc\x66\xbf\xc5\x6f\xf5\xdb"
        "\xfc\xa7\x7e\xbb\xdf\xe1\x77\xfa\x5d\x7e\xb7\xdf\xe3\xf7\xfa\xcf\xfc"
        "\x3e\xff\xb9\xdf\xef\xbf\xf0\xd9\xfe\x4b\x7f\xc0\x7f\xe5\x0f\xfa\xaf"
        "\xfd\x21\xff\x8d\x3f\xec\xbf\xf5\x47\xfc\x77\xfe\xa8\xff\xde\x1f\xf3"
        "\x3f\xf8\xe3\xfe\x47\x7f\xc2\x9f\xf4\xa7\xfc\x69\x7f\xc6\xff\xe4\xcf"
        "\xfa\x73\xfe\xbc\xbf\xe0\x2f\xfa\x9f\xfd\x25\x7f\xd9\x5f\xe1\xff\x59"
        "\x63\x8c\x31\xc6\x18\xfb\x4f\x51\x7f\x72\xbc\xdf\x3f\xf8\x99\xfc\x75"
        "\xe4\xe8\x2f\x84\xb8\x76\x47\xe1\xc3\xbf\xaf\xb9\xa9\xc0\xdf\xe6\x03"
        "\xe5\xbe\x2e\x11\x21\xc4\xd3\x7d\x7b\x34\xf9\xfb\x68\xd2\x24\x25\x25"
        "\xe5\xd7\x73\xb3\x94\x08\x4a\x2c\x10\x42\x44\xae\xe6\xc7\x88\xab\xf1"
        "\x72\xd1\x51\x3c\x29\x92\x45\x07\x51\xee\x77\xab\x80\x5f\x1f\xab\x00"
        "\xfd\xbe\xbe\xfa\x6d\xfd\xe8\xed\x42\xc4\xe5\x24\xfc\x9a\x12\x2b\x7e"
        "\x89\x7f\x57\xff\xd6\x7f\xb8\xff\x81\xb2\xc5\xe2\x3f\xd4\xff\xdd\xfa"
        "\xa3\x0b\x84\x48\x2c\x71\x35\x27\xaf\xb8\x1a\x5f\xad\x5f\xfe\x3f\xa8"
        "\xbf\xa7\xd3\x9f\xd4\xcf\xfb\x75\xaa\x10\xed\xff\x8f\x9c\x78\x71\x35"
        "\xbe\x5a\x3f\x49\x3c\x2e\x9e\x11\xc9\xbf\x39\x93\x31\xc6\x18\x63\x8c"
        "\x31\xc6\x18\xfb\x9b\x81\xf2\x62\xcf\x3f\xbb\xbf\xcd\xb9\x3f\x2f\xa2"
        "\xaf\xe6\xe4\x11\x57\xe3\xff\xf8\xfe\x9c\x31\xc6\x18\x63\x8c\x31\xc6"
        "\x18\x63\xff\x53\x3c\xf7\x62\xaf\xa7\x1e\x4b\x4e\xee\xd0\x8d\x27\x3c"
        "\xe1\x09\x4f\x92\x3b\x08\xf1\xcb\xe4\x37\x2f\x13\x31\x7f\xd9\x0b\x14"
        "\x63\x8c\x31\xc6\x18\x63\xec\x5f\xe6\xea\xd5\xff\x5f\xbd\x12\xc6\x18"
        "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c"
        "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6"
        "\x18\x63\x2c\xf7\xfa\xf7\x7f\x9d\x58\x5e\xfe\x66\x01\xc6\x18\x63\x8c"
        "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6"
        "\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\xb9\xde\xff\x0a\x00\x00\xff"
        "\xff\xd1\xd3\x63\xbc",
        5360);
    syz_mount_image(/*fs=*/0x400000001500, /*dir=*/0x400000001540, /*flags=*/0,
                    /*opts=*/0x400000000000, /*chdir=*/1, /*size=*/0x14f0,
                    /*img=*/0x400000002c40);
    break;
  case 1:
    memcpy((void*)0x400000000300, "./bus\000", 6);
    syscall(__NR_creat, /*file=*/0x400000000300ul, /*mode=*/0ul);
    break;
  case 2:
    memcpy((void*)0x400000000240, ".\000", 2);
    res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x400000000240ul,
                  /*flags=*/0, /*mode=*/0);
    if (res != -1)
      r[0] = res;
    break;
  case 3:
    *(uint32_t*)0x400000000080 = 1;
    *(uint32_t*)0x400000000084 = 0;
    memcpy((void*)0x400000000088, "\343U\247j\021\241\276\030", 8);
    memset((void*)0x400000000090, 0, 24);
    memset((void*)0x4000000000ac, 0, 20);
    syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x8004587d,
            /*arg=*/0x400000000080ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x3ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x400000000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x400001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  const char* reason;
  (void)reason;
  for (procid = 0; procid < 5; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}