// 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*)0x200000000280, "exfat\000", 6);
    memcpy((void*)0x2000000000c0, "./file2\000", 8);
    memcpy(
        (void*)0x200000001800,
        "\x78\x9c\xec\xdc\x0b\xb8\x4e\xd5\xd6\x38\xf0\x31\xe6\x9c\x8b\x6d\xe7"
        "\xf2\x26\xb9\xaf\x31\xc7\xe2\x4d\x2e\x93\x24\xc9\x25\x49\x2e\x49\x92"
        "\x84\x23\xf7\x84\x84\x24\x49\x92\xd8\xe4\x96\x84\x24\xe4\xba\x93\xdc"
        "\x43\xee\x69\xa7\xed\x7e\xbf\xe4\x9e\x24\x47\x92\x24\x49\x42\x92\xf9"
        "\x7f\x76\xe9\x73\x3a\xa7\xef\x74\x2e\x9d\xbf\xf3\xb5\xc7\xef\x79\xd6"
        "\x63\x8e\xb5\xe6\x9c\x6b\xcc\x77\x78\xdf\xf5\xae\xb5\x9f\xbd\xbf\xe8"
        "\x3a\xac\x5a\xc3\xea\x95\xeb\x31\x33\xfc\x2b\xf4\xcf\x0d\xfc\xe9\x9f"
        "\x24\x00\x48\x00\x80\x81\x00\x90\x0d\x00\x02\x00\x28\x9d\xbd\x74\xf6"
        "\xb4\xe3\x99\x34\x26\xfd\x4b\x27\x11\xff\x21\xf5\x67\x5c\xe9\x0c\xc4"
        "\x95\x24\xf5\x4f\xdf\xa4\xfe\xe9\x9b\xd4\x3f\x7d\x93\xfa\xa7\x6f\x52"
        "\xff\xf4\x4d\xea\x9f\xbe\x49\xfd\xd3\x37\xa9\xbf\x10\xe9\xda\xac\x3c"
        "\x57\xcb\x96\x7e\x37\x79\xfe\xff\x7f\x9c\xfa\x77\x06\xcb\xf5\xff\x8f"
        "\x07\xf1\x6f\x77\xfd\x6f\x7d\xa5\xfe\x7f\x34\xfa\x9f\xea\x2d\xf5\x4f"
        "\x37\x32\xfc\xda\x4e\xa9\x7f\x7a\xf1\xeb\x97\x00\xa9\x7f\xfa\x26\xf5"
        "\x4f\x87\xb2\xfe\xdc\x08\xae\x6c\x1e\xe2\x8a\x93\xf7\x7f\xfa\x26\xf5"
        "\x17\x22\x5d\xfb\xdd\x9f\x29\x6f\x38\x77\xa5\x9f\x69\xff\x5e\x5b\xaf"
        "\xff\xc8\xeb\xf3\x5f\xb6\x09\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08"
        "\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84"
        "\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42"
        "\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21"
        "\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10"
        "\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08"
        "\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84"
        "\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\xff"
        "\x1f\x9c\xf3\x97\x19\x00\xf8\xb9\x7d\xa5\xf3\x12\x42\x08\x21\x84\x10"
        "\x42\x08\x21\xc4\xef\xc7\xbf\x75\xa5\x33\x10\x42\x08\x21\x84\x10\x42"
        "\x08\x21\xc4\x7f\x1e\x82\x02\x0d\x06\x02\xc8\x00\x19\x21\x01\x32\x41"
        "\x22\x5c\x05\x99\x21\x0b\x64\x85\x6c\x10\x83\xab\x21\x3b\x5c\x03\x39"
        "\xe0\x5a\xc8\x09\xb9\x20\x37\xe4\x81\xbc\x90\x0f\xf2\x43\x08\x04\x16"
        "\x18\x22\x28\x00\x05\x21\x0e\xd7\x41\x21\xb8\x1e\x0a\x43\x11\x28\x0a"
        "\xc5\xc0\x41\x71\x28\x01\x37\x40\x49\xb8\x11\x4a\xc1\x4d\x50\x1a\x6e"
        "\x86\x32\x70\x0b\x94\x85\x72\x50\x1e\x2a\xc0\xad\x50\x11\x6e\x83\x4a"
        "\x70\x3b\x54\x86\x3b\xa0\x0a\x54\x85\x6a\x50\x1d\xee\x84\x1a\x70\x17"
        "\xd4\x84\xbb\xa1\x16\xdc\x03\xb5\xe1\x5e\xa8\x03\xf7\x41\x5d\xb8\x1f"
        "\xea\x41\x7d\x68\x00\x7f\x82\x86\xf0\x00\x34\x82\xc6\xd0\x04\x9a\x42"
        "\x33\x68\x0e\x2d\x7e\x63\x7c\x72\xb6\x5f\x1b\xff\x0c\xf4\x80\x67\xa1"
        "\x27\xf4\x82\x24\xe8\x0d\x7d\xe0\x39\xe8\x0b\xfd\xa0\x3f\x0c\x80\x81"
        "\xf0\x3c\x0c\x82\x17\x60\x30\xbc\x08\x43\x60\x28\x0c\x83\x97\x60\x38"
        "\xbc\x0c\x23\xe0\x15\x18\x09\xa3\x60\x34\xbc\x0a\x63\x60\x2c\x8c\x83"
        "\xf1\x30\x01\x26\x42\x32\xbc\x06\x93\xe0\xf5\xd6\x06\xde\x78\x20\x0b"
        "\x4c\x85\x69\x30\x1d\x66\xc0\x4c\x98\x05\x6f\xc2\x6c\x98\x03\x73\xe1"
        "\x2d\x98\x07\xf3\x61\x01\x24\x67\x5a\x04\x8b\x61\x09\xbc\x0d\x4b\xe1"
        "\x1d\x48\x81\x77\x61\x19\xbc\x07\xa9\xb0\x1c\x56\xc0\x4a\x58\x05\xab"
        "\x61\x0d\xac\x85\x75\xb0\x1e\x36\xc0\x46\xd8\x04\x9b\x61\x0b\x6c\x85"
        "\x6d\xf0\x3e\x6c\x87\x1d\xb0\x13\x76\xc1\x6e\xd8\x03\x7b\xe1\x03\xd8"
        "\x07\x1f\xc2\x7e\xf8\x08\x0e\xe0\xc7\xff\xe4\xf8\xb3\xbf\x1c\x0f\xdd"
        "\x10\x10\x50\xa1\x42\x83\x06\x33\x60\x06\x4c\xc0\x04\x4c\xc4\x44\xcc"
        "\x8c\x99\x31\x2b\x66\xc5\x18\xc6\x30\x3b\x66\xc7\x1c\x98\x03\x73\x62"
        "\x4e\xcc\x8d\xb9\x31\x2f\xe6\xc5\xfc\x98\x1f\x09\x09\x19\x19\x0b\x60"
        "\x01\x8c\x63\x1c\x0b\x61\x21\x2c\x8c\x85\xb1\x28\x16\x45\x87\x0e\x4b"
        "\x60\x09\x2c\x89\x37\x62\x29\x2c\x85\xa5\xb1\x34\x96\xc1\x32\x58\x16"
        "\xcb\x61\x39\xac\x80\x15\xb0\x22\x56\xc4\x4a\x58\x09\x2b\x63\x65\xac"
        "\x82\x55\xb0\x1a\x56\xc3\x3b\xf1\x4e\xbc\x0b\x6b\x62\x4d\xac\x85\xb5"
        "\xb0\x36\xd6\xc6\x3a\x58\x07\xeb\x62\x5d\xac\x87\xf5\xb0\x01\x36\xc0"
        "\x86\xd8\x10\x1b\x61\x23\x6c\x82\x4d\xb0\x19\x36\xc3\x16\xd8\x02\x5b"
        "\x62\x4b\x6c\x85\xad\xb0\x0d\xb6\xc1\xb6\xd8\x16\xdb\x61\x3b\xec\x80"
        "\x1d\xb0\x23\x76\xc4\x4e\xd8\x09\x3b\x63\x67\xec\x82\x5d\xb0\x2b\x76"
        "\xc5\x6e\xf8\x34\x3e\x8d\xcf\xe0\x33\xf8\x2c\x3e\x8b\xbd\xb0\x8a\xea"
        "\x8d\x7d\xb0\x0f\xf6\xc5\xbe\xd8\x1f\x07\xe0\x00\x7c\x1e\x07\xe1\x0b"
        "\xf8\x02\xbe\x88\x43\x70\x28\x0e\xc3\x97\xf0\x25\x7c\x19\x47\xe0\x19"
        "\x1c\x89\xa3\x70\x34\x8e\xc6\x8a\x6a\x2c\x8e\xc3\xf1\xc8\x6a\x22\x26"
        "\x63\x32\x66\x84\x49\x38\x19\x27\xe3\x14\x9c\x8a\x53\x71\x3a\xce\xc0"
        "\x99\x38\x0b\x67\xe1\x6c\x9c\x83\x73\xf0\x2d\x9c\x87\xf3\x71\x3e\x2e"
        "\xc4\x85\xb8\x18\x97\xe0\x12\x5c\x8a\xef\x60\x0a\xa6\xe0\x32\x3c\x8b"
        "\xa9\xb8\x1c\x57\xe0\x4a\x5c\x85\xab\x71\x15\xae\xc5\x75\xb8\x16\x37"
        "\xe0\x46\xdc\x80\x9b\x71\x33\x6e\xc5\xad\xf8\x3e\xbe\x8f\x3b\x70\x07"
        "\xee\xc2\x5d\xb8\x07\xf7\xe0\x07\xf8\x01\x7e\x88\x1f\xe2\x10\x3c\x80"
        "\x07\xf0\x20\x1e\xc4\x43\x78\x08\x0f\xe3\x61\x3c\x82\x47\xf0\x28\x1e"
        "\xc5\x63\x78\x0c\x8f\xe3\x71\x3c\x81\x27\xf0\x24\x7e\x8d\xa7\xf0\x6b"
        "\x3c\x8d\xa7\xf1\x0c\x9e\xc5\x73\x00\x70\x1e\xcf\xe3\x05\xbc\x80\x17"
        "\xf1\x62\xda\x9b\x5f\xa5\x31\xca\xa8\x0c\x2a\x83\x4a\x50\x09\x2a\x51"
        "\x25\xaa\xcc\x2a\xb3\xca\xaa\xb2\xaa\x98\x8a\xa9\xec\x2a\xbb\xca\xa1"
        "\x72\xa8\x9c\x2a\xa7\xca\xad\x72\xab\xbc\x2a\xaf\xca\xaf\xf2\x2b\x52"
        "\xa4\x58\x45\xaa\x80\x2a\xa0\xe2\x2a\xae\x0a\xa9\x42\xaa\xb0\x2a\xac"
        "\x8a\xaa\xa2\xca\x29\xa7\x4a\xa8\x12\xaa\xa4\x2a\xa9\x4a\xa9\x52\xaa"
        "\xb4\xba\x59\x95\x51\xb7\xa8\xb2\xaa\x9c\x6a\xed\x2a\xa8\x0a\xaa\xa2"
        "\x6a\xe3\x2a\xa9\xdb\x55\x65\x55\x59\x55\x51\x55\x55\x35\x55\x5d\x55"
        "\x57\x35\x54\x0d\x55\x53\xd5\x54\xb5\x54\x2d\x55\x5b\xd5\x56\x75\xd4"
        "\x7d\xaa\xae\xea\x8d\xfd\xb1\xbe\x4a\xab\x4c\x43\x35\x14\x1b\xa9\x61"
        "\xd8\x44\x35\x55\xcd\x54\x73\xf5\x32\x3e\xa8\x5a\xaa\x11\xd8\x4a\xb5"
        "\x56\x6d\xd4\xc3\x6a\x14\x8e\xc4\x76\xaa\xa5\xeb\xa0\x1e\x55\x1d\xd5"
        "\x38\xec\xa4\x1e\x57\xe3\xf1\x09\xd5\x45\x4d\xc4\xae\xea\x29\xd5\x4d"
        "\x3d\xad\xba\xab\x67\x54\x0f\xd5\xca\xf5\x54\xbd\xd4\x14\xec\xad\xfa"
        "\xa8\xe9\xd8\x57\xf5\x53\xfd\xd5\x00\x35\x1b\xab\xaa\xb4\x8a\x55\x53"
        "\x2f\xaa\x21\x6a\xa8\x1a\xa6\x5e\x52\x8b\xf1\x65\x35\x42\xbd\xa2\x46"
        "\xaa\x51\x6a\xb4\x7a\x55\x8d\x51\x63\xd5\x38\x35\x5e\x4d\x50\x13\x55"
        "\xb2\x7a\x4d\x4d\x52\xaf\xab\xc9\xea\x0d\x35\x45\x4d\x55\xd3\xd4\x74"
        "\x35\x43\xcd\x54\xb3\xd4\x9b\x6a\xb6\x9a\xa3\xe6\xaa\xb7\xd4\x3c\x35"
        "\x5f\x2d\x50\x0b\xd5\x22\xb5\x58\x2d\x51\x6f\xab\xa5\xea\x1d\x95\xa2"
        "\xde\x55\xcb\xd4\x7b\x2a\x55\x2d\x57\x2b\xd4\x4a\xb5\x4a\xad\x56\x6b"
        "\xd4\x5a\xb5\x4e\xad\x57\x1b\xd4\x46\xb5\x49\x6d\x56\x5b\xd4\x56\xb5"
        "\x4d\xbd\xaf\xb6\xab\x1d\x6a\xa7\xda\xa5\x76\xab\x3d\x6a\xaf\xfa\x40"
        "\xed\x53\x1f\xaa\xfd\xea\x23\x75\x40\x7d\xac\x0e\xaa\x3f\xab\x43\xea"
        "\x13\x75\x58\x7d\xaa\x8e\xa8\xcf\xd4\x51\xf5\xb9\x3a\xa6\xbe\x50\xc7"
        "\xd5\x97\xea\x84\xfa\x4a\x9d\x54\x5f\xab\x53\xea\x1b\x75\x5a\x7d\xab"
        "\xce\xa8\xb3\xea\x9c\xfa\x4e\x9d\x57\xdf\xab\x0b\xea\x07\x75\x51\x79"
        "\x05\x1a\xb5\xd2\x5a\x1b\x1d\xe8\x0c\x3a\xa3\x4e\xd0\x99\x74\xa2\xbe"
        "\x4a\x67\xd6\x59\x74\x56\x9d\x4d\xc7\xf4\xd5\x3a\xbb\xbe\x46\xe7\xd0"
        "\xd7\xea\x9c\x3a\x97\xce\x6d\xf2\xe8\xbc\x3a\x9f\xce\xaf\x43\x4d\xda"
        "\x6a\xd6\x91\x2e\xa0\x0b\xea\xb8\xbe\x4e\x17\xd2\xd7\xeb\xc2\xba\x88"
        "\x2e\xaa\x8b\x69\xa7\x8b\xeb\x12\xfa\x06\x5d\x52\xdf\xa8\x4b\xe9\x9b"
        "\x74\x69\x7d\xb3\x2e\xa3\x6f\xd1\x65\x75\x39\x5d\xde\x83\xbe\x55\x57"
        "\xd4\xb7\xe9\x4a\xfa\x76\x5d\x59\xdf\xa1\xab\xe8\xaa\xba\x9a\xae\xae"
        "\xef\xd4\x35\xf4\x5d\xba\xa6\xbe\x5b\xd7\xd2\xf7\xe8\xda\xfa\x5e\x5d"
        "\x47\xdf\xa7\xeb\xea\xfb\x75\x3d\x5d\x5f\x37\xd0\x19\x2e\x5d\xb3\x1a"
        "\xeb\x26\xba\xa9\x6e\xa6\x9b\xeb\x16\xfa\x41\xdd\x52\x3f\xa4\x5b\xe9"
        "\xd6\xba\x8d\x7e\x58\xb7\xd5\x8f\x40\x92\x6e\xaf\x3b\xe8\x47\x75\x47"
        "\xfd\x98\xee\xa4\x1f\xd7\x9d\xf5\x13\xba\x8b\x7e\x52\x77\xd5\x4f\xe9"
        "\x6e\xfa\x69\xdd\x5d\xff\xa0\x2f\x6a\xaf\x7b\xea\x5e\x3a\x49\xf7\xd6"
        "\x7d\xf4\x73\xba\xaf\xee\xa7\xfb\xeb\x01\x7a\xa0\x7e\x5e\x0f\xd2\x2f"
        "\xe8\xc1\xfa\x45\x3d\x44\x0f\xd5\xc3\xf4\x4b\x7a\xb8\x7e\x59\x8f\xd0"
        "\xaf\xe8\x91\x7a\x94\x1e\xad\x5f\xd5\x63\xf4\x58\x3d\x4e\x8f\xd7\x13"
        "\xf4\x44\x9d\xac\x5f\xd3\x93\xf4\xeb\x7a\xb2\x7e\x43\x4f\xd1\x53\xf5"
        "\x34\x3d\x5d\xcf\xd0\x33\x75\xff\x4b\x33\xcd\xfd\x07\xc6\xbf\xfe\x2b"
        "\xe3\x07\xff\x78\xf6\xad\x7a\x9b\x7e\x5f\x6f\xd7\x3b\xf4\x4e\xbd\x4b"
        "\xef\xd6\x7b\xf4\x5e\xbd\x57\xef\xd3\xfb\xf4\x7e\xbd\x5f\x1f\xd0\x07"
        "\xf4\x41\x7d\x50\x1f\xd2\x87\xf4\x61\x7d\x58\x1f\xd1\x47\xf4\x51\x7d"
        "\x54\x1f\xd3\xc7\xf4\x71\x7d\x5c\x9f\xd0\x27\xf4\x49\xfd\xb5\xfe\x4e"
        "\x7f\xa3\x4f\xeb\x6f\xf5\x19\x7d\x56\x9f\xd5\xdf\xe9\xf3\xfa\xbc\xbe"
        "\x70\xe9\x35\x00\x83\x46\x19\x6d\x8c\x09\x4c\x06\x93\xd1\x24\x98\x4c"
        "\x26\xd1\x5c\x65\x32\x9b\x2c\x26\xab\xc9\x66\x62\xe6\x6a\x93\xdd\x5c"
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        "\xa5\xb9\x34\x8f\xe6\xd1\x02\x5a\x40\x8b\x68\x11\x2d\xa1\x25\xb4\x94"
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        "\xb4\x86\xd6\xd0\x3a\x5a\x47\x1b\x68\x03\x6d\xa2\x4d\xb4\x85\xb6\xd0"
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        "\x6c\xb3\xd8\xac\x36\x9b\xfd\xeb\x38\xb7\xcd\x63\xf3\xda\x7c\x36\xbf"
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        "\x2d\x6e\x4b\xd8\x1b\xfe\x26\x2e\x6b\xcb\xd9\xf2\xb6\x82\xbd\xd5\x56"
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        "\x5b\xcb\xde\x63\xab\xdb\x3b\x7f\x11\xd7\xb6\xf7\xda\x3a\xf6\x01\x5b"
        "\xd7\x36\xb6\xf5\x6c\x53\xdb\xc0\x36\xb7\x0d\xed\x03\xb6\x91\x6d\x6c"
        "\x9b\xd8\xa6\xb6\x99\x6d\x6e\xdb\xda\x47\x6c\x3b\xdb\xde\x76\xb0\x8f"
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        "\xd3\xec\x74\x3b\xc3\xce\x04\x63\xdf\xb4\xb3\xed\x9c\x9f\x63\x3b\xeb"
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        "\xb4\x9c\x52\xec\xbb\x76\x99\x7d\xcf\xa6\xda\xe5\x76\x85\x5d\x69\x57"
        "\xd9\xd5\x76\x8d\x5d\xfb\x3f\xb9\xae\xb4\x9b\xed\x16\xbb\xd5\xee\xb5"
        "\x1f\xd8\xed\x76\x87\xdd\x69\x77\xd9\xdd\x76\xcf\x8f\x71\xda\x3a\xf6"
        "\xdb\x8f\xec\x01\xfb\xb1\x3d\x6a\x3f\xb7\x87\xec\x27\xf6\xb0\x3d\x6e"
        "\x8f\xd8\xcf\x7e\x8c\xd3\xd6\x77\xdc\x7e\x69\x4f\xd8\xaf\xec\x49\xfb"
        "\xb5\x3d\x65\xbf\xb1\xa7\xed\xb7\xf6\x8c\x3d\xfb\xe3\xfa\xd3\xd6\xfe"
        "\x8d\xfd\xc1\x5e\xb4\xde\x02\x23\x2b\xd6\x6c\x38\xe0\x0c\x9c\x91\x13"
        "\x38\x13\x27\xf2\x55\x9c\x99\xb3\x70\x56\xce\xc6\x31\xbe\x9a\xb3\xf3"
        "\x35\x9c\x83\xaf\xe5\x9c\x9c\x8b\x73\x73\x1e\xce\xcb\xf9\x38\x3f\x87"
        "\x4c\x6c\x99\x39\xe2\x02\x5c\x90\xe3\x7c\x1d\x17\xe2\xeb\xb9\x30\x17"
        "\xe1\xa2\x5c\x8c\x1d\x17\xe7\x12\x7c\x03\x97\xe4\x1b\xb9\x14\xdf\xc4"
        "\xa5\xf9\x66\x2e\xc3\xb7\x70\x59\x2e\xc7\xe5\xb9\x02\xdf\xca\x15\xf9"
        "\x36\xae\xc4\xb7\x73\x65\xbe\x83\xab\x70\x55\xae\xc6\xd5\xf9\x4e\xae"
        "\xc1\x77\x71\x4d\xbe\x9b\x6b\xf1\x3d\x5c\x9b\xef\xe5\x3a\x7c\x1f\xd7"
        "\xe5\xfb\xb9\x1e\xd7\xe7\x06\xfc\x27\x6e\xc8\x0f\x70\x23\x6e\xcc\x4d"
        "\xb8\x29\x37\xe3\xe6\x0c\xfc\x20\xb7\xe4\x87\xb8\x15\xb7\xe6\x36\xfc"
        "\x30\xb7\xe5\x47\xb8\x1d\xb7\xe7\x0e\xfc\x28\x77\xe4\xc7\xb8\x13\x3f"
        "\xce\x9d\xf9\x09\xee\xc2\x4f\x72\x57\x7e\x8a\xbb\xf1\xd3\xdc\x9d\x9f"
        "\xe1\x1e\xfc\x2c\xf7\xe4\x5e\x9c\xc4\xbd\xb9\x0f\x3f\xc7\x7d\xb9\x1f"
        "\xf7\xe7\x01\x3c\x90\x9f\xe7\x41\xfc\x02\x0f\xe6\x17\x79\x08\x0f\xe5"
        "\x61\xfc\x12\x0f\xe7\x97\x79\x04\xbf\xc2\x23\x79\x14\x8f\xe6\x57\x79"
        "\x0c\x8f\xe5\x71\x3c\x9e\x27\xf0\x44\x4e\xe6\xd7\x78\x12\xbf\xce\x93"
        "\xf9\x0d\x9e\xc2\x53\x79\x1a\x4f\xe7\x19\x3c\x93\x67\xf1\x9b\x3c\x9b"
        "\xe7\xf0\x5c\x7e\x8b\xe7\xf1\x7c\x5e\xc0\x0b\x79\x11\x2f\xe6\x25\xfc"
        "\x36\x2f\xe5\x77\x38\x85\xdf\xe5\x65\xfc\x1e\xa7\xf2\x72\x5e\xc1\x2b"
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        "\x2d\xbc\x95\xb7\xf1\xfb\xbc\x9d\x77\xf0\x4e\xde\xc5\xbb\x79\x0f\xef"
        "\xe5\x0f\x78\x1f\x7f\xc8\xfb\xf9\x23\x3e\xc0\x1f\xf3\x41\xfe\x33\x1f"
        "\xe2\x4f\xf8\x30\x7f\xca\x47\xf8\x33\x3e\xca\x9f\xf3\x31\xfe\x82\x8f"
        "\xf3\x97\x7c\x82\xbf\xe2\x93\xfc\x35\x9f\xe2\x6f\xf8\x34\x7f\xcb\x67"
        "\xf8\x2c\x9f\xe3\xef\xf8\x3c\x7f\xcf\x17\xf8\x07\xbe\xc8\x9e\x21\xc2"
        "\x48\x45\x3a\x32\x51\x10\x65\x88\x32\x46\x09\x51\xa6\x28\x31\xba\x2a"
        "\xca\x1c\x65\x89\xb2\x46\xd9\xa2\x58\x74\x75\x94\x3d\xba\x26\xca\x11"
        "\x5d\x1b\xe5\x8c\x72\x45\xb9\xa3\x3c\x51\xde\x28\x5f\x94\x3f\x0a\x23"
        "\x8a\x6c\xc4\x51\x14\x15\x88\x0a\x46\xf1\xe8\xba\xa8\x50\x74\x7d\x54"
        "\x38\x2a\x12\x15\x8d\x8a\x45\x2e\x2a\x1e\x95\x88\x6e\x88\x4a\x46\x37"
        "\x46\xa5\xa2\x9b\xa2\xd2\xd1\xcd\x51\x99\xe8\x96\xa8\x6c\x54\x2e\x2a"
        "\x1f\x55\x88\x6e\x8d\x2a\x46\xb7\x45\x95\xa2\xdb\xa3\xca\xd1\x1d\x51"
        "\x95\xa8\x6a\x54\x2d\xaa\x1e\xdd\x19\xd5\x88\xee\x8a\x6a\x46\x77\x47"
        "\xb5\xa2\x7b\xa2\x52\xd1\xbd\x51\x9d\xe8\xbe\xa8\x6e\x74\x7f\x54\x2f"
        "\xaa\x1f\x35\x88\xfe\x14\x35\x8c\x1e\x88\x1a\x45\x8d\xa3\x26\x51\xd3"
        "\xa8\x59\xd4\x3c\x6a\x11\x3d\x18\xb5\x8c\x1e\x8a\x12\x00\xa0\x4d\xf4"
        "\x70\xd4\x36\x7a\x24\x6a\x17\xb5\x8f\x3a\x44\x8f\x46\x1d\xa3\xc7\xfe"
        "\xe7\x78\xab\x22\xc1\x4f\x57\xd3\xbf\x3a\x9e\x14\xf5\x8e\xf4\xa5\xbb"
        "\x8d\xbb\xf5\xa2\xf8\xe2\xf8\x92\xf8\xdb\xf1\xa5\xf1\x77\xe2\x29\xf1"
        "\x77\xe3\xcb\xe2\xef\xc5\x53\xe3\xcb\xe3\x2b\xe2\x2b\xe3\xab\xe2\xab"
        "\xe3\x6b\xe2\x6b\xe3\xeb\xe2\xeb\xe3\x1b\xe2\x1b\xe3\x9b\xe2\x9b\xe3"
        "\x5b\xe2\x5b\xe3\xde\x57\xcf\x08\x0e\xd3\x6e\x84\xc1\xb8\xc0\x65\x70"
        "\x19\x5d\x82\xcb\xe4\x12\xdd\x55\x2e\xb3\xcb\xe2\xb2\xba\x6c\x2e\xe6"
        "\xae\x76\xd9\xdd\x35\x2e\x87\xbb\xd6\xe5\x74\xb9\x5c\x6e\x97\xc7\xe5"
        "\x75\xf9\x5c\x7e\x17\x3a\x72\x97\x32\x83\x82\x2e\xee\xae\x73\x85\xdc"
        "\xf5\xae\xb0\x2b\xe2\x8a\xba\x62\xce\xb9\xe2\xae\x84\x6b\xee\x5a\xb8"
        "\x16\xae\xa5\x7b\xc8\xb5\x72\xad\x5d\x1b\xf7\xb0\x7b\xd8\x3d\xe2\x1e"
        "\x71\xed\x5d\x7b\xf7\xa8\xeb\xe8\x1e\x73\x9d\xdc\xe3\xae\xb3\x7b\xc2"
        "\x75\x71\x4f\xba\x27\xdd\x53\xae\x9b\x7b\xda\x75\x77\xcf\xb8\x1e\xee"
        "\x59\xd7\xd3\xf5\x72\x49\x2e\xc9\xf5\x71\x7d\x5c\x5f\xd7\xd7\xf5\x77"
        "\xfd\xdd\x40\x37\xd0\x0d\x72\x83\xdc\x60\x37\xd8\x0d\x71\x43\xdc\x30"
        "\x37\xcc\x0d\x77\xc3\xdd\x08\x37\xc2\x8d\x74\x23\xdd\x68\x37\xda\x8d"
        "\x71\x63\xdc\x38\x37\xce\x4d\x70\x13\x5c\xb2\x4b\x76\x93\xdc\x24\x37"
        "\xd9\x4d\x76\x53\xdc\x14\x37\xcd\x4d\x73\x33\xdc\x0c\x37\xcb\xcd\x72"
        "\xb3\xdd\x6c\x37\xd7\xcd\x75\xf3\xdc\x3c\xb7\xc0\x2d\x70\x8b\xdc\x22"
        "\xb7\xc4\x2d\x71\x4b\xdd\x52\x97\xe2\x52\xdc\x32\xb7\xcc\xa5\xba\x54"
        "\xb7\xc2\xad\x70\xab\xdc\x2a\xb7\xc6\xad\x71\xeb\xdc\x3a\xb7\xc1\x6d"
        "\x70\x9b\xdc\x26\xb7\xc5\x6d\x71\xdb\xdc\x36\xb7\xdd\x6d\x77\x3b\xdd"
        "\x4e\xb7\xdb\xed\x76\x7b\xdd\x5e\xb7\xcf\xed\x73\xfb\xdd\x7e\x77\xc0"
        "\x1d\x70\x07\xdd\x41\x77\xc8\x1d\x72\x87\xdd\xa7\xee\x88\xfb\xcc\x1d"
        "\x75\x9f\xbb\x63\xee\x0b\x77\xdc\x7d\xe9\x4e\xb8\xaf\xdc\x49\xf7\xb5"
        "\x3b\xe5\xbe\x71\xa7\xdd\xb7\xee\x8c\x3b\xeb\xce\xb9\xef\xdc\x79\xf7"
        "\xbd\xbb\xe0\x7e\x70\x17\x9d\x77\xc9\xb1\xd7\x62\x93\x62\xaf\xc7\x26"
        "\xc7\xde\x88\x4d\x89\x4d\x8d\x4d\x8b\x4d\x8f\xcd\x88\xcd\x8c\xcd\x8a"
        "\xbd\x19\x9b\x1d\x9b\x13\x9b\x1b\x7b\x2b\x36\x2f\x36\x3f\xb6\x20\xb6"
        "\x30\xb6\x28\xb6\x38\xb6\x24\xf6\x76\x6c\x69\xec\x9d\x58\x4a\xec\xdd"
        "\xd8\xb2\xd8\x7b\xb1\xd4\xd8\xf2\xd8\x8a\xd8\xca\xd8\xaa\xd8\xea\x98"
        "\xf7\xf9\xb6\x47\xbe\x80\x2f\xe8\xe3\xfe\x3a\x5f\xc8\x5f\xef\x0b\xfb"
        "\x22\xbe\xa8\x2f\xe6\x9d\x2f\xee\x4b\xf8\x1b\x7c\x49\x7f\xa3\x2f\xe5"
        "\x6f\xf2\xa5\xfd\xcd\xbe\x8c\xbf\xc5\x97\xf5\xe5\x7c\x79\xdf\xd8\x37"
        "\xf1\x4d\x7d\x33\xdf\xdc\xb7\xf0\x0f\xfa\x96\xfe\x21\xdf\xca\xb7\xf6"
        "\x6d\xfc\xc3\xbe\xad\x7f\xc4\xb7\xf3\xed\x7d\x07\xff\xa8\xef\xe8\x1f"
        "\xf3\x9d\xfc\xe3\xbe\xb3\x7f\xc2\x77\xf1\x4f\xfa\xae\xfe\xa9\xf9\x97"
        "\xfe\x7b\xf8\x1e\xfe\x59\xdf\xd3\xf7\xf2\x49\xbe\xb7\xef\xe3\x9f\xf3"
        "\x7d\x7d\x3f\xdf\xdf\x0f\xf0\x03\xfd\xf3\x7e\x90\x7f\xc1\x0f\xf6\x2f"
        "\xfa\x21\x7e\xa8\x1f\xe6\x5f\xf2\xc3\xfd\xcb\x7e\x84\x7f\xc5\x8f\xf4"
        "\xa3\xfc\x68\xff\xaa\x1f\xe3\xc7\xfa\x71\x7e\xbc\x9f\xe0\x27\xfa\x64"
        "\xff\x9a\x9f\xe4\x5f\xf7\x93\xfd\x1b\x7e\x8a\x9f\xea\xa7\xf9\xe9\x7e"
        "\x86\x9f\xe9\x67\xf9\x37\xfd\x6c\x3f\xc7\xcf\xf5\x6f\xf9\x79\x7e\xbe"
        "\x5f\xe0\x17\xfa\x45\x7e\xb1\x5f\xe2\xdf\xf6\x4b\xfd\x3b\x3e\xc5\xbf"
        "\xeb\x97\xf9\xf7\x7c\xaa\x5f\xee\x57\xf8\x95\x7e\x95\x5f\xed\xd7\xf8"
        "\xb5\x7e\x9d\x5f\xef\x37\xf8\x8d\x7e\x93\xdf\xec\xb7\xf8\xad\x7e\x9b"
        "\xcf\x08\xdb\xfd\x0e\xbf\xd3\xef\xf2\xbb\xfd\x1e\xbf\xd7\x7f\xe0\xf7"
        "\xf9\x0f\xfd\x7e\xff\x91\x3f\xe0\x3f\xf6\x07\xfd\x9f\xfd\x21\xff\x89"
        "\x3f\xec\x3f\xf5\x47\xfc\x67\xfe\xa8\xff\xdc\x1f\xf3\x5f\xf8\xe3\xfe"
        "\x4b\x7f\xc2\x7f\xe5\x4f\xfa\x00\x4e\xf9\x6f\xfc\x69\xff\xad\x3f\xe3"
        "\xcf\xfa\x73\xfe\x3b\x7f\xde\x7f\xef\x2f\xf8\x1f\xfc\x45\xf9\x9d\x35"
        "\x21\x84\x10\x42\x88\x7f\x88\xfe\x8d\xe3\xbd\x7f\x65\x9f\xba\xb4\x19"
        "\x00\xe8\x03\x00\x59\x76\xe4\x39\xf2\xd7\x73\x6e\xca\xf9\x53\xbb\x9f"
        "\xda\xd7\x31\x06\x00\x8f\xf6\xea\x5a\xff\xe7\xad\x7e\xfd\xa4\xa4\xa4"
        "\x4b\x7d\x53\x0d\x04\x05\x17\x02\x40\xec\xf2\xf8\x1f\x7f\xca\x73\x29"
        "\x5e\x0e\x6d\xe0\x11\xe8\x00\xad\xa1\xe4\xaf\xa5\x67\x7e\x6e\xfc\xe5"
        "\xfc\xc1\x5f\x74\x48\xd5\x10\xc4\x6f\x06\x48\x04\xc8\xf4\xf3\xbe\xb4"
        "\x7b\xc2\x44\xf8\xeb\xf9\x6f\xfc\xd5\xf5\xf7\x53\x8d\xdf\xe6\xbf\x97"
        "\x7f\xda\xfc\x0b\x01\x0a\x17\xbc\x3c\x26\xed\x44\x3f\xc7\x97\xe7\x2f"
        "\xf5\xbf\xcc\xbf\xa7\xed\x6f\xcc\x9f\xe9\x93\x64\x80\x56\x7f\x31\x26"
        "\x33\x5c\x8e\x2f\xcf\x5f\x02\x1e\x82\xc7\xa0\xc3\x2f\x7a\x0a\x21\x84"
        "\x10\x42\x08\x21\x84\x10\x3f\xe9\xa7\xce\x77\xfb\xad\xfb\xdb\xb4\xfb"
        "\xf3\xbc\xe6\xf2\x98\x8c\x70\x39\xfe\x8d\xfb\xf3\xdf\x52\xe9\xf7\x58"
        "\x83\x10\x42\x08\x21\x84\x10\x42\x08\x21\xfe\xbe\x27\x9e\xee\xde\xfe"
        "\xc1\x0e\x1d\x5a\x77\xfe\x43\x36\x14\x00\x3c\xdd\xbd\x7d\xc6\xff\xf4"
        "\xb9\xbc\xf7\xfe\xbf\x64\xc9\x7f\xbf\x81\x00\xf0\x5f\x90\xc6\xbf\xd5"
        "\x38\x9d\xe5\xbf\x22\x8d\x3f\x7a\xe3\x4a\x7f\x32\x09\x21\x84\x10\x42"
        "\x08\x21\x7e\x6f\x97\xbf\xf4\x5f\xe9\x4c\x84\x10\x42\x08\x21\x84\x10"
        "\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08"
        "\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x88\xf4\xeb"
        "\x5f\xff\x0b\x61\xea\x1f\xee\x7c\xa5\xd7\x28\x84\x10\x42\x08\x21\x84"
        "\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42"
        "\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21"
        "\x84\x10\x42\x08\x21\x84\x10\x42\x5c\x69\xff\x2f\x00\x00\xff\xff\x7e"
        "\x54\x47\x72",
        5426);
    syz_mount_image(
        /*fs=*/0x200000000280, /*dir=*/0x2000000000c0,
        /*flags=MS_LAZYTIME|MS_SYNCHRONOUS|MS_SILENT|MS_RELATIME|MS_MANDLOCK*/
        0x2208050, /*opts=*/0x200000000140, /*chdir=*/1, /*size=*/0x1532,
        /*img=*/0x200000001800);
    break;
  case 1:
    memcpy((void*)0x200000006c80, "./file3\000", 8);
    syz_mount_image(/*fs=*/0, /*dir=*/0x200000006c80,
                    /*flags=MS_UNBINDABLE|MS_NODIRATIME*/ 0x20800, /*opts=*/0,
                    /*chdir=*/0, /*size=*/0, /*img=*/0);
    break;
  case 2:
    memcpy((void*)0x200000000240, ".\000", 2);
    res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000240ul,
                  /*flags=*/0, /*mode=*/0);
    if (res != -1)
      r[0] = res;
    break;
  case 3:
    *(uint32_t*)0x200000000080 = 1;
    *(uint32_t*)0x200000000084 = 0;
    memcpy((void*)0x200000000088, "\343U\247j\021\241\276\030", 8);
    memset((void*)0x200000000090, 0, 24);
    memset((void*)0x2000000000ac, 0, 20);
    syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x8004587d,
            /*arg=*/0x200000000080ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-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;
}