// 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_ioctl
#define __NR_ioctl 29
#endif
#ifndef __NR_memfd_create
#define __NR_memfd_create 279
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_openat
#define __NR_openat 56
#endif
#ifndef __NR_truncate
#define __NR_truncate 45
#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, "./file1\000", 8);
    *(uint8_t*)0x400000000000 = 0;
    memcpy(
        (void*)0x400000002ac0,
        "\x78\x9c\xec\xdd\x0b\x98\x8e\xd5\xfa\x30\xf0\x75\xaf\xb5\x1e\xc6\x34"
        "\xf1\x36\xc9\x61\x58\xf7\xba\x1f\xde\x34\x58\x26\x49\x72\x48\x92\x43"
        "\x92\x24\x49\x92\x53\x42\xd2\x24\x49\x42\x62\xc8\x29\x09\x49\xc8\x71"
        "\x92\x1c\x86\x90\x1c\x26\x26\x8d\xf3\xf9\x90\x73\xd2\x64\x4b\x92\x24"
        "\xa7\x9c\xc2\xfa\xae\xa9\xdd\xb6\xf7\xbf\xfd\xbf\xec\xfd\xed\xfd\xff"
        "\xfc\xbf\x3d\xf7\xef\xba\xd6\xf5\xae\xfb\x5a\xcf\xbd\x9e\xb5\xde\x9b"
        "\x79\x9f\xe7\xb9\xe6\xf0\x43\xd7\xe1\xb5\x9a\xd4\xae\xde\x88\x88\xc4"
        "\xbf\x04\x7e\x7b\x49\x11\x42\xc4\x08\x21\x06\x09\x21\xf2\x09\x21\x02"
        "\x21\x44\xf9\xf8\xf2\xf1\xd9\xe3\x79\x14\xa4\xfc\x6b\x27\x61\xff\x5e"
        "\x8f\xa6\x5d\xeb\x15\xb0\x6b\x89\xeb\x9f\xb3\x71\xfd\x73\x36\xae\x7f"
        "\xce\xc6\xf5\xcf\xd9\xb8\xfe\x39\x1b\xd7\x3f\x67\xe3\xfa\xe7\x6c\x5c"
        "\x7f\xc6\x72\xb2\xad\x33\x0b\xdf\xc0\x2d\xe7\xb6\x7f\xfd\xf9\x7f\xcc"
        "\x6f\x2f\xfc\xfc\xff\xff\x43\xfc\xf9\x9f\xb3\x71\xfd\xff\xd3\x9c\xce"
        "\xf3\xcf\x1c\xcd\xf5\xff\x4f\x72\xd9\x7b\xff\xcf\x65\x70\xfd\x73\x36"
        "\xae\x7f\xce\xc6\xf5\xcf\xd9\xb8\xfe\x39\x1b\xd7\x3f\x67\xe3\xfa\x33"
        "\x96\x93\x5d\xeb\xe7\xcf\xdc\xae\x6d\xbb\xd6\xff\xfe\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\xe5\x0c\xe7\xfc\x15\x5a\x08\xf1\x7b\xff\x5a\xaf"
        "\x8b\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\xff\x3e\x3e\xf7\xb5\x5e\x01"
        "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\xfe\xe7\x81\x90\x42\x09\x2d\x02"
        "\x91\x4b\xe4\x16\x31\x22\x8f\x88\x15\xd7\x89\x38\x71\xbd\xc8\x2b\xf2"
        "\x89\x88\xb8\x41\xc4\x8b\x1b\x45\x7e\x71\x93\x28\x20\x0a\x8a\x42\xa2"
        "\xb0\x48\x10\x45\x44\x51\x61\x04\x0a\x2b\x48\x84\xa2\x98\x28\x2e\xa2"
        "\xe2\x66\x51\x42\xdc\x22\x12\x45\x49\x51\x4a\x94\x16\x4e\x94\x11\x49"
        "\xe2\x56\x51\x56\xdc\x26\xca\x89\xdb\x45\x79\x71\x87\xa8\x20\xee\x14"
        "\x15\x45\x25\x51\x59\x54\x11\x77\x89\xaa\xe2\x6e\x51\x4d\xdc\x23\xaa"
        "\x8b\x7b\x45\x0d\x51\x53\xd4\x12\xb5\xc5\x7d\xa2\x8e\xb8\x5f\xd4\x15"
        "\x0f\x88\x7a\xe2\x41\x51\x5f\x3c\x24\x1a\x88\x87\x45\x43\xf1\x88\x68"
        "\x24\x1e\x15\x8d\xc5\x63\xa2\x89\x78\x5c\x34\x15\x4f\x88\x66\xa2\xb9"
        "\x68\x21\x5a\x8a\x56\xff\x57\xf9\xaf\x88\x9e\xe2\x55\xd1\x4b\xf4\x16"
        "\x29\xa2\x8f\xe8\x2b\x5e\x13\xfd\x44\x7f\x31\x40\x0c\x14\x83\xc4\xeb"
        "\x62\xb0\x78\x43\x0c\x11\x6f\x8a\xa1\x62\x98\x18\x2e\xde\x12\x23\xc4"
        "\xdb\x62\xa4\x78\x47\x8c\x12\xa3\xc5\x18\xf1\xae\x18\x2b\xc6\x89\xf1"
        "\x62\x82\x98\x28\x26\x89\x54\xf1\x9e\x98\x2c\xde\x17\x53\xc4\x07\x62"
        "\xaa\x98\x26\xa6\x8b\x19\x22\x4d\xcc\x14\xb3\xc4\x87\x62\xb6\x98\x23"
        "\xe6\x8a\x8f\xc4\x3c\xf1\xb1\x98\x2f\x16\x88\x85\x62\x91\x48\x17\x9f"
        "\x88\xc5\x62\x89\xc8\x10\x9f\x8a\xa5\xe2\x33\x91\x29\x96\x89\xe5\x62"
        "\x85\x58\x29\x56\x89\xd5\x62\x8d\x58\x2b\xd6\x89\xf5\x62\x83\xd8\x28"
        "\x36\x89\xcd\x62\x8b\xd8\x2a\x3e\x17\xdb\xc4\x76\xb1\x43\xec\x14\xbb"
        "\xc4\x6e\xb1\x47\x7c\x21\xf6\x8a\x2f\xc5\x3e\xf1\x95\xc8\x12\x5f\xff"
        "\x93\xf9\x67\xff\x4b\x7e\x37\x10\x20\x40\x82\x04\x0d\x1a\x72\x41\x2e"
        "\x88\x81\x18\x88\x85\x58\x88\x83\x38\xc8\x0b\x79\x21\x02\x11\x88\x87"
        "\x78\xc8\x0f\xf9\xa1\x00\x14\x80\x42\x50\x08\x12\x20\x01\x8a\x42\x51"
        "\x40\x40\x20\x20\x28\x06\xc5\x20\x0a\x51\x28\x01\x25\x20\x11\x12\xa1"
        "\x14\x94\x02\x07\x0e\x92\x20\x09\xca\xc2\x6d\x50\x0e\xca\x41\x79\x28"
        "\x0f\x15\xa0\x02\x54\x84\x4a\x50\x09\xaa\x40\x15\xa8\x0a\x55\xa1\x1a"
        "\x54\x83\xea\x50\x1d\x6a\x40\x0d\xa8\x05\xb5\xe0\x3e\xb8\x0f\xee\x87"
        "\xba\x50\x17\xea\x41\x3d\xa8\x0f\xf5\xa1\x01\x34\x80\x86\xd0\x10\x1a"
        "\x41\x23\x68\x0c\x8d\xa1\x09\x34\x81\xa6\xd0\x14\x9a\x41\x33\x68\x01"
        "\x2d\xa0\x15\xb4\x82\xd6\xd0\x1a\xda\x40\x1b\x68\x07\xed\xa0\x3d\xb4"
        "\x87\x0e\xd0\x01\x92\x21\x19\x3a\x42\x47\xe8\x04\x9d\xa0\x33\x74\x86"
        "\x2e\xd0\x05\xba\x42\x57\xe8\x06\xdd\xa1\x3b\xbc\x02\xaf\xc0\xab\xf0"
        "\x2a\xf4\x86\x1a\xb2\x0f\xf4\x85\xbe\xd0\x0f\xfa\xc1\x00\x18\x08\x03"
        "\xe1\x75\x18\x0c\x6f\xc0\x1b\xf0\x26\x0c\x85\x61\x30\x1c\xde\x82\xb7"
        "\xe0\x6d\x18\x09\x67\x60\x14\x8c\x86\x31\x30\x06\xaa\xca\x71\x30\x1e"
        "\x26\x00\xc9\x49\x90\x0a\xa9\x30\x19\x26\xc3\x14\x98\x02\x53\x61\x1a"
        "\x4c\x83\x19\x90\x06\x33\x61\x16\xcc\x82\xd9\x30\x07\xe6\xc0\x47\x30"
        "\x0f\x3e\x86\x8f\x61\x01\x2c\x80\x45\x90\x0e\xe9\xb0\x18\x96\x40\x06"
        "\x64\xc0\x52\x38\x0b\x99\xb0\x0c\x96\xc3\x0a\x58\x09\xab\x60\x25\xac"
        "\x81\xb5\xb0\x06\xd6\xc3\x06\x58\x0f\x9b\x60\x13\x6c\x81\x2d\xf0\x39"
        "\x7c\x0e\xdb\x61\x3b\xec\x84\x9d\xb0\x1b\x76\xc3\x17\xf0\x05\x7c\x09"
        "\x5f\xc2\x50\xc8\x82\x2c\xd8\x0f\xfb\xe1\x00\x1c\x80\x83\x70\x10\x0e"
        "\xc1\x21\x38\x0c\x87\xe1\x08\x1c\x81\xa3\x70\x14\x8e\xc1\x31\x38\x0e"
        "\x27\xe0\x24\x9c\x80\xd3\x70\x1a\xce\xc0\x59\x38\x07\xe7\xe0\x02\x5c"
        "\x80\x8b\x70\x11\x2e\xc3\xe5\xec\xff\xfc\x32\x9b\x96\x5a\xe6\x92\xb9"
        "\x64\x8c\x8c\x91\xb1\x32\x56\xc6\xc9\x38\x99\x57\xe6\x95\x11\x19\x91"
        "\xf1\x32\x5e\xe6\x97\xf9\x65\x01\x59\x40\x16\x92\x85\x64\x82\x4c\x90"
        "\x45\x65\x51\x89\x12\x25\xc9\x50\x16\x93\xc5\x64\x54\x46\x65\x09\x59"
        "\x42\x26\xca\x44\x59\x4a\x96\x92\x4e\x3a\x99\x24\x93\x64\x59\x59\x56"
        "\x96\x93\xe5\x64\x79\x79\x87\xac\x20\xef\x94\x15\x65\x25\xd9\xd6\x55"
        "\x91\x55\x64\x55\xd9\xce\x55\x93\xf7\xc8\xea\xb2\xba\xac\x21\x6b\xca"
        "\x5a\xb2\xb6\xac\x2d\xeb\xc8\x3a\xb2\xae\xac\x2b\xeb\xc9\x7a\xb2\xbe"
        "\xac\x2f\x1b\xc8\x87\x65\x43\xd9\x07\x06\xc0\xa3\x32\xbb\x32\x4d\xe4"
        "\x30\x68\x2a\x87\x43\x33\xd9\x5c\xb6\x90\x2d\xe5\xdb\xf0\xa4\x6c\x2d"
        "\x47\x42\x1b\xd9\x56\xb6\x93\x4f\xcb\xd1\x30\x0a\x3a\xc8\xd6\x2e\x59"
        "\x3e\x27\x3b\xca\xf1\xd0\x49\xbe\x20\x27\xc0\x8b\xb2\x8b\x9c\x04\x5d"
        "\xe5\xcb\xb2\x9b\xec\x2e\x7b\xc8\x57\x64\x4f\xd9\xc6\xf5\x92\xbd\xe5"
        "\x54\xe8\x23\xfb\xca\x19\xd0\x4f\xf6\x97\x03\xe4\x40\x39\x1b\x6a\xca"
        "\xec\x8a\xd5\x92\x6f\xca\xa1\x72\x98\x1c\x2e\xdf\x92\x8b\xe0\x6d\x39"
        "\x52\xbe\x23\x47\xc9\xd1\x72\x8c\x7c\x57\x8e\x95\xe3\xe4\x78\x39\x41"
        "\x4e\x94\x93\x64\xaa\x7c\x4f\x4e\x96\xef\xcb\x29\xf2\x03\x39\x55\x4e"
        "\x93\xd3\xe5\x0c\x99\x26\x67\xca\x59\xf2\x43\x39\x5b\xce\x91\x73\xe5"
        "\x47\x72\x9e\xfc\x58\xce\x97\x0b\xe4\x42\xb9\x48\xa6\xcb\x4f\xe4\x62"
        "\xb9\x44\x66\xc8\x4f\xe5\x52\xf9\x99\xcc\x94\xcb\xe4\x72\xb9\x42\xae"
        "\x94\xab\xe4\x6a\xb9\x46\xae\x95\xeb\xe4\x7a\xb9\x41\x6e\x94\x9b\xe4"
        "\x66\xb9\x45\x6e\x95\x9f\xcb\x6d\x72\xbb\xdc\x21\x77\xca\x5d\x72\xb7"
        "\xdc\x23\xbf\x90\x7b\xe5\x97\x72\x9f\xfc\x4a\x66\xc9\xaf\xe5\x7e\xf9"
        "\x27\x79\x40\x7e\x23\x0f\xca\x6f\xe5\x21\xf9\x9d\x3c\x2c\xbf\x97\x47"
        "\xe4\x0f\xf2\xa8\xfc\x51\x1e\x93\x3f\xc9\xe3\xf2\x84\x3c\x29\x4f\xc9"
        "\xd3\xf2\x67\x79\x46\x9e\x95\xe7\xe4\x79\x79\x41\xfe\x22\x2f\xca\x4b"
        "\xf2\xb2\xf4\x52\x28\x50\x52\x29\xa5\x55\xa0\x72\xa9\xdc\x2a\x46\xe5"
        "\x51\xb1\xea\x3a\x15\xa7\xae\x57\x79\x55\x3e\x15\x51\x37\xa8\x78\x75"
        "\xa3\xca\xaf\x6e\x52\x05\x54\x41\x55\x48\x15\x56\x09\xaa\x88\x2a\xaa"
        "\x8c\x42\x65\x15\xa9\x50\x15\x53\xc5\x55\x54\xdd\xac\x4a\xa8\x5b\x54"
        "\xa2\x2a\xa9\x4a\xa9\xd2\xca\xa9\x32\x2a\x49\xdd\xaa\xca\xaa\xdb\x54"
        "\x39\x75\xbb\x2a\xaf\xee\x50\x15\xd4\x9d\xaa\xa2\xaa\xa4\x2a\xab\x2a"
        "\xea\x2e\x55\x55\xdd\xad\xaa\xa9\x7b\x54\x75\x75\xaf\xaa\xa1\x6a\xaa"
        "\x5a\xaa\xb6\xba\x4f\xd5\x51\xf7\xab\xba\xea\x01\x55\x4f\x3d\xa8\xea"
        "\xab\x87\x54\x03\xf5\xb0\x6a\xa8\x1e\x51\x8d\xd4\xa3\xaa\xb1\x7a\x4c"
        "\x35\x51\x8f\xab\xa6\xea\x09\xd5\x4c\x35\x57\x2d\x54\x4b\xd5\x4a\x3d"
        "\xa9\x5a\xab\xa7\x54\x1b\xd5\x56\xb5\x53\x4f\xab\xf6\xea\x19\xd5\x41"
        "\x3d\xab\x92\xd5\x73\xaa\xa3\x7a\x5e\x75\x52\x2f\xa8\xce\xea\x45\xd5"
        "\x45\xbd\xa4\xba\xaa\x97\x55\x37\xd5\x5d\xf5\x50\x97\xd4\x65\xe5\x55"
        "\x2f\xd5\x5b\xa5\xa8\x3e\xaa\xaf\x7a\x4d\xf5\x53\xfd\xd5\x00\x35\x50"
        "\x0d\x52\xaf\xab\xc1\xea\x0d\x35\x44\xbd\xa9\x86\xaa\x61\x6a\xb8\x7a"
        "\x4b\x8d\x50\x6f\xab\x91\xea\x1d\x35\x4a\x8d\x56\x63\xd4\xbb\x6a\xac"
        "\x1a\xa7\xc6\xab\x09\x6a\xa2\x9a\xa4\x52\xd5\x7b\x6a\xb2\x7a\x5f\x4d"
        "\x51\x1f\xa8\xa9\x6a\x9a\x9a\xae\x66\xa8\x34\x35\x53\x0d\xf8\xf3\x4c"
        "\x73\xff\x81\xfc\xf7\xff\x4e\xfe\x90\x5f\xcf\xbe\x45\x6d\x55\x9f\xab"
        "\x6d\x6a\xbb\xda\xa1\x76\xaa\x5d\x6a\xb7\xda\xa3\xf6\xa8\xbd\x6a\xaf"
        "\xda\xa7\xf6\xa9\x2c\x95\xa5\xf6\xab\xfd\xea\x80\x3a\xa0\x0e\xaa\x83"
        "\xea\x90\x3a\xa4\x0e\xab\xc3\xea\x88\x3a\xa2\x8e\xaa\xa3\xea\x98\x3a"
        "\xa6\x8e\xab\x13\xea\xbc\x3a\xa5\x4e\xab\x9f\xd5\x19\x75\x56\x9d\x55"
        "\xe7\xd5\x05\x75\x41\x5d\xfc\xf3\x7b\x20\x34\x68\xa9\x95\xd6\x3a\xd0"
        "\xb9\x74\x6e\x1d\xa3\xf3\xe8\x58\x7d\x9d\x8e\xd3\xd7\xeb\xbc\x3a\x9f"
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        "\xeb\x04\x5d\x44\x17\xd5\x46\xa3\xb6\x9a\x74\xa8\x8b\xe9\xe2\x3a\xaa"
        "\x6f\xd6\x25\xf4\x2d\x3a\x51\x97\xd4\xa5\x74\x69\xed\x74\x19\x9d\xa4"
        "\x6f\xfd\x97\xf3\xaf\xb6\xbe\x56\xba\x95\x6e\xad\x5b\xeb\x36\xba\x8d"
        "\x6e\xa7\xdb\xe9\xf6\xba\xbd\xee\xa0\x3b\xe8\x64\x9d\xac\x3b\xea\x8e"
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        "\xa6\x7b\xe8\x1e\xba\xa7\xee\xa9\xbd\x10\x22\x45\xa7\xe8\xbe\xfa\x35"
        "\xdd\x4f\xf7\xd7\x03\xf4\x40\x3d\x48\xbf\xae\x07\xeb\xc1\x7a\x88\x1e"
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        "\xa3\xcd\x18\xf3\xae\x19\x6b\xc6\x99\xf1\x66\x82\x99\x68\x26\x99\x54"
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        "\xcd\xcc\x34\xb3\xcc\x87\x66\xb6\x99\x63\xe6\x9a\x8f\xcc\x3c\xf3\xb1"
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        "\x9a\x2f\xcd\x3e\xf3\x95\xc9\x32\x5f\x9b\xfd\xe6\x4f\xe6\x80\xf9\xc6"
        "\x1c\x34\xdf\x9a\x43\xe6\x3b\x73\xd8\x7c\x6f\x8e\x98\x1f\xcc\x51\xf3"
        "\xa3\x39\x66\x7e\x32\xc7\xcd\x09\x73\xd2\x9c\x32\xa7\xcd\xcf\xe6\x8c"
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        "\xee\xb3\x3f\xde\x51\xa3\xc6\x5c\x98\x0b\x63\x30\x06\x63\x31\x16\xe3"
        "\x30\x0e\xf3\x62\x5e\x8c\x60\x04\xe3\x31\x1e\xf3\x63\x7e\x2c\x80\x05"
        "\xb0\x10\x16\xc2\x04\x4c\xc0\xa2\x58\x14\xb3\x11\x12\x16\xc3\x62\x18"
        "\xc5\x28\x96\xc0\x12\x98\x88\x89\x58\x0a\x4b\xa1\x43\x87\x49\x98\x84"
        "\x65\xb1\x2c\x96\xc3\x72\x58\x1e\xcb\x63\x05\xac\x80\x15\xb1\x22\x56"
        "\xc6\xec\xfb\x91\xbb\xf0\x6e\xbc\x1b\xef\xc1\x7b\xf0\x5e\xbc\x17\x6b"
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        "\xc1\xa6\xd8\x14\x9b\x61\x33\x6c\x81\x2d\xb0\x15\xb6\xc2\xd6\xd8\x1a"
        "\xdb\x60\x1b\x6c\x87\xed\xb0\x3d\xb6\xc7\x0e\xd8\x01\x93\x31\x19\x3b"
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        "\xdd\xb0\x07\xf6\xc0\x9e\xd8\x13\x7b\x61\x2f\x4c\xc1\x14\xec\x8b\x7d"
        "\xb1\x1f\xf6\xc3\x01\x38\x00\x07\xe1\x20\x1c\x8c\x83\x71\x08\x0e\xc1"
        "\xa1\x38\x14\x87\xe3\x70\x1c\x81\x23\x70\x24\x8e\xc4\x51\x38\x1a\xc7"
        "\xe0\xbb\x38\x16\xc7\xe1\x78\x9c\x80\x13\x71\x12\xa6\x62\x2a\x4e\xc6"
        "\xc9\x38\x05\xa7\xe0\x54\x9c\x8a\xd3\x71\x3a\xa6\x61\x1a\xce\xc2\x59"
        "\x38\x1b\x67\xe3\x5c\x9c\x8b\xf3\x70\x1e\xce\xc7\xf9\xb8\x10\x17\x62"
        "\x3a\xa6\xe3\x62\x5c\x8c\x19\x98\x81\x4b\x71\x29\x66\x62\x26\x2e\xc7"
        "\xe5\xb8\x12\x57\xe2\x6a\x5c\x8d\x6b\x71\x2d\xae\xc7\xf5\xb8\x11\x37"
        "\xe2\x66\xdc\x8c\x5b\x71\x2b\x6e\xc3\x6d\xb8\x03\x77\xe0\x2e\xdc\x85"
        "\x7b\x70\x0f\xee\xc5\xbd\xb8\x0f\xf7\x61\x16\x66\xe1\x7e\xdc\x8f\x07"
        "\xf0\x00\x1e\xc4\x83\x78\x08\x0f\xe1\x61\x3c\x8c\x47\xf0\x08\x1e\xc5"
        "\xa3\x78\x0c\x8f\xe1\x71\x3c\x0e\x27\xf1\x24\x9e\xc6\xd3\x78\x06\xcf"
        "\xe0\x39\x3c\x87\x17\xf0\x17\xbc\x88\x97\xf0\x32\x7a\x8c\xb1\x79\x6c"
        "\xac\xbd\xce\xc6\xd9\xeb\x6d\x5e\x9b\xcf\xc6\xd8\x3c\xbd\x85\x10\x7f"
        "\x89\x0b\xd9\xc2\x36\xc1\x16\xb1\x45\xad\xb1\x05\x6c\xc1\xbf\x89\xd1"
        "\x5a\x9b\x68\x4b\xda\x52\xb6\xb4\x75\xb6\x8c\x4d\xb2\xb7\xfe\x21\xae"
        "\x68\x2b\xd9\xca\xb6\x8a\xbd\xcb\x56\xb5\x77\xdb\x6a\x7f\x88\xeb\xd8"
        "\xfb\x6d\x5d\xfb\x80\xad\x67\x1f\xb4\xb5\xed\x7d\x7f\x13\xd7\xb7\x0f"
        "\xd9\x06\xf6\x71\xdb\xd0\x3e\x61\x1b\xd9\xe6\xb6\xb1\x6d\x69\x9b\xd8"
        "\xc7\x6d\x53\xfb\x84\x6d\x66\x9b\xdb\x16\xb6\xa5\x6d\x6f\x9f\xb1\x1d"
        "\xec\xb3\x36\xd9\x3e\x67\x3b\xda\xe7\xff\x10\x2f\xb6\x4b\xec\x5a\xbb"
        "\xce\xae\xb7\x1b\xec\x5e\xfb\xa5\x3d\x67\xcf\xdb\x23\xf6\x07\x7b\xc1"
        "\xfe\x62\x7b\xd9\xde\x76\x90\x7d\xdd\x0e\xb6\x6f\xd8\x21\xf6\x4d\x3b"
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        "\x49\x7f\x88\xa7\xdb\x19\x36\xcd\xce\xb4\xb3\xec\x87\x76\xb6\x9d\xf3"
        "\x87\x38\xdd\x7e\x62\xe7\xd9\x0c\x3b\xdf\x2e\xb0\x0b\xed\xa2\x5f\xe3"
        "\xec\x35\x65\xd8\x4f\xed\x52\xfb\x99\xcd\xb4\xcb\xec\x72\xbb\xc2\xae"
        "\xb4\xab\xec\x6a\xbb\xe6\x2f\x6b\x5d\x61\x37\xd9\xcd\x76\x8b\xdd\x63"
        "\xbf\xb0\xdb\xec\x76\xbb\xc3\xee\xb4\xbb\xec\xee\x5f\xe3\xec\x7d\xec"
        "\xb3\x5f\xd9\x2c\xfb\xb5\x3d\x6c\xbf\xb7\x07\xec\x37\xf6\xa0\x3d\x6a"
        "\x0f\xd9\xef\x7e\x8d\xb3\xf7\x77\xd4\xfe\x68\x8f\xd9\x9f\xec\x71\x7b"
        "\xc2\x9e\xb4\xa7\xec\x69\xfb\xb3\x3d\x63\xcf\xfe\xba\xff\xec\xbd\x9f"
        "\xb2\x97\xec\x65\xeb\xad\x20\x20\x49\x8a\x34\x05\x94\x8b\x72\x53\x0c"
        "\xe5\xa1\x58\xba\x8e\xe2\xe8\x7a\xca\x4b\xf9\x28\x42\x37\x50\x3c\xdd"
        "\x48\xf9\xe9\x26\x2a\x40\x05\xa9\x10\x15\xa6\x04\x2a\x42\x45\xc9\x10"
        "\x92\x25\xa2\x90\x8a\x51\x71\x8a\xd2\xcd\x54\x82\x6e\xa1\x44\x2a\x49"
        "\xa5\xa8\x34\x39\x2a\x43\x49\x74\x2b\x95\xa5\xdb\xa8\x1c\xdd\x4e\xe5"
        "\xe9\x0e\xaa\x40\x77\x52\x45\xaa\x44\x95\xa9\x0a\xdd\x45\x55\xe9\x6e"
        "\xaa\x46\xf7\x50\x75\xba\x97\x6a\x50\x4d\xaa\x45\xb5\xe9\x3e\xaa\x43"
        "\xf7\x53\x5d\x7a\x80\xea\xd1\x83\x54\x9f\x1e\xa2\x06\xf4\x30\x35\xa4"
        "\x47\xa8\x11\x3d\x4a\x8d\xe9\x31\x6a\x42\x8f\x53\x53\x7a\x82\x9a\x51"
        "\x73\x6a\x41\x2d\xa9\x15\x3d\x49\xad\xe9\x29\x6a\x43\x6d\xa9\x1d\x3d"
        "\x4d\xed\xe9\x19\xea\x40\xcf\x52\x32\x3d\x47\x1d\xe9\x79\xea\x44\x2f"
        "\x50\x67\x7a\x91\xba\xd0\x4b\xd4\x95\x5e\xa6\x6e\xd4\x9d\x7a\xd0\x2b"
        "\xd4\x93\x5e\xa5\x5e\xd4\x9b\x52\xa8\x0f\xf5\xa5\xd7\xa8\x1f\xf5\xa7"
        "\x01\x34\x90\x06\xd1\xeb\x34\x98\xde\xa0\x21\xf4\x26\x0d\xa5\x61\x34"
        "\x9c\xde\xa2\x11\xf4\x36\x8d\xa4\x77\x68\x14\x8d\xa6\x31\xf4\x2e\x8d"
        "\xa5\x71\x34\x9e\x26\xd0\x44\x9a\x44\xa9\xf4\x1e\x4d\xa6\xf7\x69\x0a"
        "\x7d\x40\x53\x69\x1a\x4d\xa7\x19\x94\x46\x33\x69\x16\x7d\x48\xb3\x69"
        "\x0e\xcd\xa5\x8f\x68\x1e\x7d\x4c\xf3\x69\x01\x2d\xa4\x45\x94\x4e\x9f"
        "\xd0\x62\x5a\x42\x19\xf4\x29\x2d\xa5\xcf\x28\x93\x96\xd1\x72\x5a\x41"
        "\x2b\x69\x15\xad\xa6\x35\xb4\x96\xd6\xd1\x7a\xda\x40\x1b\x69\x13\x6d"
        "\xa6\x2d\xb4\x95\x3e\xa7\x6d\xb4\x9d\x76\xd0\x4e\xda\x45\xbb\x69\x0f"
        "\x7d\x41\x7b\xe9\x4b\xda\x47\x5f\x51\x16\x7d\x4d\xfb\xe9\x4f\x74\x80"
        "\xbe\xa1\x83\xf4\x2d\x1d\xa2\xef\xe8\x30\x7d\x4f\x47\xe8\x07\x3a\x4a"
        "\x3f\xd2\x31\xfa\x89\x8e\xd3\x09\x3a\x49\xa7\xe8\x34\xfd\x4c\x67\xe8"
        "\x2c\x9d\xa3\xf3\x74\x81\x7e\xa1\x8b\x74\x89\x2e\x93\x27\x11\x42\x28"
        "\x43\x15\xea\x30\x08\x73\x85\xb9\xc3\x98\x30\x4f\x18\x1b\x5e\x17\xc6"
        "\x85\xd7\x87\x79\xc3\x7c\x61\x24\xbc\x21\x8c\x0f\x6f\x0c\xf3\x87\x37"
        "\x85\x05\xc2\x82\x61\xa1\xb0\x70\x98\x10\x16\x09\x8b\x86\x26\xc4\xd0"
        "\x86\x14\x86\x61\xb1\xb0\x78\x18\x0d\x6f\x0e\x4b\x84\xb7\x84\x89\x61"
        "\xc9\xb0\x54\x58\x3a\x74\x61\x99\x30\x29\xbc\x35\x2c\x1b\xde\x16\x96"
        "\x0b\x6f\x0f\xcb\x87\x77\x84\x15\xc2\x3b\xc3\x8a\x61\xa5\xb0\x72\x58"
        "\x25\xbc\x2b\xac\x1a\xde\x1d\x56\x0b\xef\x09\xab\x87\xf7\x86\x35\xc2"
        "\x9a\x61\xad\xb0\x76\x78\x5f\x58\x27\xbc\x3f\xac\x1b\x3e\x10\xd6\x0b"
        "\x1f\x0c\xcb\x85\x0f\x85\x0d\xc2\x87\xc3\x86\xe1\x23\x61\xa3\xf0\xd1"
        "\xb0\x71\xf8\x58\xd8\x24\x7c\x3c\x6c\x1a\x3e\x11\x36\x0b\x9b\x87\x2d"
        "\xc2\x96\x61\xab\xf0\xc9\xb0\x75\xf8\x54\xd8\x26\x6c\x1b\xb6\x0b\x9f"
        "\x0e\xdb\x87\xcf\x84\x1d\xc2\x67\xc3\xe4\xf0\xb9\xb0\x63\xf8\xfc\x55"
        "\xc7\x53\xc2\x3e\x61\xdf\xf0\xb5\xf0\xb5\xd0\xfb\x07\xd4\xc2\xe8\xa2"
        "\x68\x7a\xf4\x93\xe8\xe2\xe8\x92\x68\x46\xf4\xd3\xe8\xd2\xe8\x67\xd1"
        "\xcc\xe8\xb2\xe8\xf2\xe8\x8a\xe8\xca\xe8\xaa\xe8\xea\xe8\x9a\xe8\xda"
        "\xe8\xba\xe8\xfa\xe8\x86\xe8\xc6\xe8\xa6\xe8\xe6\xe8\x96\xa8\xf7\xb5"
        "\x73\x0b\x07\x4e\x3a\xe5\xb4\x0b\x5c\x2e\x97\xdb\xc5\xb8\x3c\x2e\xd6"
        "\x5d\xe7\xe2\xdc\xf5\x2e\xaf\xcb\xe7\x22\xee\x06\x17\xef\x6e\x74\xf9"
        "\xdd\x4d\xae\x80\x2b\xe8\x0a\xb9\xc2\x2e\xc1\x15\x71\x45\x9d\x71\xe8"
        "\xac\x23\x17\xba\x62\xae\xb8\x8b\xba\x9b\x5d\x09\x77\x8b\x4b\x74\x25"
        "\x5d\x29\x57\xda\x39\x57\xc6\x25\xb9\x96\xae\x95\x6b\xe5\x5a\xbb\xa7"
        "\x5c\x1b\xd7\xd6\xb5\x73\x4f\xbb\xa7\xdd\x33\xee\x19\xf7\xac\x7b\xd6"
        "\x3d\xe7\x3a\xba\xe7\x5d\x27\xf7\x82\xeb\xec\x5e\x74\x5d\xdc\x4b\xee"
        "\x25\xf7\xb2\xeb\xe6\xba\xbb\x1e\xee\x15\xd7\xd3\xbd\xea\x7a\xb9\xde"
        "\x2e\xc5\xa5\xb8\xbe\xae\xaf\xeb\xe7\xfa\xb9\x01\x6e\x80\x1b\xe4\x06"
        "\xb9\xc1\x6e\xb0\x1b\xe2\x86\xb8\xa1\x6e\xa8\x1b\xee\x86\xbb\x11\x6e"
        "\x84\x1b\xe9\x46\xba\x51\x6e\x94\x1b\xe3\xc6\xb8\xb1\x6e\xac\x1b\xef"
        "\xc6\xbb\x89\x6e\xa2\x4b\x75\xa9\x6e\xb2\x9b\xec\xa6\xb8\x29\x6e\xaa"
        "\x9b\xea\xa6\xbb\xe9\x2e\xcd\xa5\xb9\x59\x6e\x96\x9b\xed\x66\xbb\xb9"
        "\x6e\xae\x9b\xe7\xe6\xb9\xf9\x6e\xbe\x5b\xe8\x16\xba\x74\x97\xee\x16"
        "\xbb\xc5\x2e\xc3\x65\xb8\xa5\x6e\xa9\xcb\x74\x99\x6e\xb9\x5b\xee\x56"
        "\xba\x95\x6e\xb5\x5b\xed\xd6\xba\xb5\x6e\xbd\x5b\xef\x36\xba\x8d\x6e"
        "\xb3\xdb\xec\xb6\xba\xad\x6e\x9b\xdb\xe6\x76\xb8\x1d\x6e\x97\xdb\xe5"
        "\xf6\xb8\x3d\x6e\xaf\xdb\xeb\xf6\xb9\x7d\x2e\xcb\x65\xb9\xfd\x6e\xbf"
        "\x3b\xe0\x0e\xb8\x83\xee\x5b\x77\xc8\x7d\xe7\x0e\xbb\xef\xdd\x11\xf7"
        "\x83\x3b\xea\x7e\x74\xc7\xdc\x4f\xee\xb8\x3b\xe1\x4e\xba\x53\xee\xb4"
        "\xfb\xd9\x9d\x71\x67\xdd\x39\x77\xde\x5d\x70\xbf\xb8\x8b\xee\x92\xbb"
        "\xec\xbc\x4b\x8d\xbc\x17\x99\x1c\x79\x3f\x32\x25\xf2\x41\x64\x6a\x64"
        "\x5a\x64\x7a\x64\x46\x24\x2d\x32\x33\x32\x2b\xf2\x61\x64\x76\x64\x4e"
        "\x64\x6e\xe4\xa3\xc8\xbc\xc8\xc7\x91\xf9\x91\x05\x91\x85\x91\x45\x91"
        "\xf4\xc8\x27\x91\xc5\x91\x25\x91\x8c\xc8\xa7\x91\xa5\x91\xcf\x22\x99"
        "\x91\x65\x91\xe5\x91\x15\x91\x95\x91\x55\x11\xef\x8b\x6c\x0b\x7d\x31"
        "\x5f\xdc\x47\xfd\xcd\xbe\x84\xbf\xc5\x27\xfa\x92\xbe\x94\x2f\xed\x9d"
        "\x2f\xe3\x93\xfc\xad\xbe\xac\xbf\xcd\x97\xf3\xb7\xfb\xf2\xfe\x0e\x5f"
        "\xc1\xdf\xe9\x2b\xfa\x4a\xbe\xb2\x7f\xc2\x37\xf3\xcd\x7d\x0b\xdf\xd2"
        "\xb7\xf2\x4f\xfa\xd6\xfe\x29\xdf\xc6\xb7\xf5\xed\xfc\xd3\xbe\xbd\x7f"
        "\xc6\x77\xf0\xcf\xfa\x64\xff\x9c\xef\xe8\x9f\xf7\x9d\xfc\x0b\xbe\xb3"
        "\x7f\xd1\x77\xf1\x2f\xf9\xae\xfe\x65\xdf\xcd\x77\xf7\x3d\xfc\x2b\xbe"
        "\xa7\x7f\xd5\xf7\xf2\xbd\x7d\x8a\xef\xe3\xfb\xfa\xd7\x7c\x3f\xdf\xdf"
        "\x0f\xf0\x03\xfd\x20\xff\xba\x1f\xec\xdf\xf0\x43\xfc\x9b\x7e\xa8\x1f"
        "\xe6\x87\xfb\xb7\xfc\x08\xff\xb6\x1f\xe9\xdf\xf1\xa3\xfc\x68\x3f\xc6"
        "\xbf\xeb\xc7\xfa\x71\x7e\xbc\x9f\xe0\x27\xfa\x49\x3e\xd5\xbf\xe7\x27"
        "\xfb\xf7\xfd\x14\xff\x81\x9f\xea\xa7\xf9\xe9\x7e\x86\x4f\xf3\x33\xfd"
        "\x2c\xff\xa1\x9f\xed\xe7\xf8\xb9\xfe\x23\x3f\xcf\x7f\xec\xe7\xfb\x05"
        "\x7e\xa1\x5f\xe4\xd3\xfd\x27\x7e\xb1\x5f\xe2\x33\xfc\xa7\x7e\xa9\xff"
        "\xcc\x67\xfa\x65\x7e\xb9\x5f\xe1\x57\xfa\x55\x7e\xb5\x5f\xe3\xd7\xfa"
        "\x75\x7e\xbd\xdf\xe0\x37\xfa\x4d\x7e\xb3\xdf\xe2\xb7\xfa\xcf\xfd\x36"
        "\xbf\xdd\xef\xf0\x3b\xfd\x2e\xbf\xdb\xef\xf1\x5f\xf8\xbd\xfe\x4b\xbf"
        "\xcf\x7f\xe5\xb3\xfc\xd7\x7e\xbf\xff\x93\x3f\xe0\xbf\xf1\x07\xfd\xb7"
        "\xfe\x90\xff\xce\x1f\xf6\xdf\xfb\x23\xfe\x07\x7f\xd4\xff\xe8\x8f\xf9"
        "\x9f\xfc\x71\x7f\xc2\x9f\xf4\xa7\xfc\x69\xff\xb3\x3f\xe3\xcf\xfa\x73"
        "\xfe\xbc\xbf\xe0\x7f\xf1\x17\xfd\x25\x7f\x99\x7f\x66\x8d\x31\xc6\x18"
        "\x63\xec\x1f\xa2\xae\x32\xde\xe7\xbf\xc9\x91\x7f\xee\xf7\x15\x42\x5c"
        "\xbf\xbd\xf0\xa1\xff\x3a\xbe\xb1\xc0\x6f\xfd\xfe\xb9\x13\xda\x47\x84"
        "\x10\xcf\xf5\xee\xfa\xe8\xef\xad\x46\x8d\x94\x94\x94\x3f\x1f\x9b\xa9"
        "\x44\x50\x7c\x81\x10\x22\x72\x25\x3f\x97\xb8\x12\x2f\x13\xed\xc4\x33"
        "\x22\x59\xb4\x15\x65\xff\x32\x1e\xf3\x57\xe7\xea\x2f\xbb\x5f\xa0\xab"
        "\xcc\x1f\xbd\x43\x88\xd8\xbf\xca\xc9\xce\xff\x3d\xbe\x32\xff\x6d\x7f"
        "\x77\xff\xfd\xe5\xb8\x79\x57\x9d\x7f\x81\x10\x89\xc5\xaf\xe4\xe4\x11"
        "\x57\xe2\x2b\xf3\x97\xfb\x6f\xe6\x2f\xd8\xfa\x2a\xf3\xe7\xf9\x26\x55"
        "\x88\x36\x7f\x95\x13\x27\xae\xc4\x57\xe6\x4f\x12\x4f\x89\xe7\x45\xf2"
        "\xdf\x1c\xc9\x18\x63\x8c\x31\xc6\x18\x63\x8c\xfd\xa6\xbf\xac\xdc\xf9"
        "\x6a\xf7\xb7\xd9\xf7\xe7\x09\xfa\x4a\x4e\x6e\x71\x25\xfe\x7b\xf7\xe7"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\xfb\xdf\xe5\xc5\xee\x3d\x9e\x7d"
        "\x32\x39\xb9\x6d\x67\xee\xfc\x4f\x75\x7c\xbe\xdf\xde\xea\xff\x2d\xeb"
        "\xe1\x0e\x77\xfe\x81\xce\xb5\xfe\xca\xc4\x18\x63\x8c\x31\xc6\x18\xfb"
        "\x77\xbb\x72\xd1\x7f\xad\x57\xc2\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\xe5\x5c\xff\x2f\x7e"
        "\x9d\xd8\xef\xe7\xba\xda\xdf\x1a\x64\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\xfe\x53\xfd\x9f\x00\x00\x00\xff\xff\xb2\x31"
        "\x3b\x12",
        5374);
    syz_mount_image(/*fs=*/0x400000001500, /*dir=*/0x400000001540, /*flags=*/0,
                    /*opts=*/0x400000000000, /*chdir=*/1, /*size=*/0x14fe,
                    /*img=*/0x400000002ac0);
    break;
  case 1:
    memcpy((void*)0x400000000280, "memory.numa_stat\000", 17);
    res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x400000000280ul,
                  /*flags=*/0x275a, /*mode=*/0);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    *(uint32_t*)0x400000000080 = 0;
    *(uint32_t*)0x400000000084 = -1;
    *(uint64_t*)0x400000000088 = 0;
    *(uint64_t*)0x400000000090 = 0;
    *(uint64_t*)0x400000000098 = 0;
    *(uint64_t*)0x4000000000a0 = 0;
    syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x8004587d,
            /*arg=*/0x400000000080ul);
    break;
  case 3:
    memcpy((void*)0x400000000280, "./file1\000", 8);
    syscall(__NR_truncate, /*file=*/0x400000000280ul, /*len=*/0x8001ul);
    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;
  use_temporary_dir();
  loop();
  return 0;
}