// https://syzkaller.appspot.com/bug?id=6386b569788599088d76ee393c7f0875e4889bc6
// 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 __thread int clone_ongoing;
static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) {
    exit(sig);
  }
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
  int valid = addr < prog_start || addr > prog_end;
  if (skip && valid) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

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

static void thread_start(void* (*fn)(void*), void* arg)
{
  pthread_t th;
  pthread_attr_t attr;
  pthread_attr_init(&attr);
  pthread_attr_setstacksize(&attr, 128 << 10);
  int i = 0;
  for (; i < 100; i++) {
    if (pthread_create(&th, &attr, fn, arg) == 0) {
      pthread_attr_destroy(&attr);
      return;
    }
    if (errno == EAGAIN) {
      usleep(50);
      continue;
    }
    break;
  }
  exit(1);
}

typedef struct {
  int state;
} event_t;

static void event_init(event_t* ev)
{
  ev->state = 0;
}

static void event_reset(event_t* ev)
{
  ev->state = 0;
}

static void event_set(event_t* ev)
{
  if (ev->state)
    exit(1);
  __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
  syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}

static void event_wait(event_t* ev)
{
  while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}

static int event_isset(event_t* ev)
{
  return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}

static int event_timedwait(event_t* ev, uint64_t timeout)
{
  uint64_t start = current_time_ms();
  uint64_t now = start;
  for (;;) {
    uint64_t remain = timeout - (now - start);
    struct timespec ts;
    ts.tv_sec = remain / 1000;
    ts.tv_nsec = (remain % 1000) * 1000 * 1000;
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
    if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
      return 1;
    now = current_time_ms();
    if (now - start > timeout)
      return 0;
  }
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

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

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

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

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

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

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

#define ZLIB_HEADER_WIDTH 2

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

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

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

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

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

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

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

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

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

struct thread_t {
  int created, call;
  event_t ready, done;
};

static struct thread_t threads[16];
static void execute_call(int call);
static int running;

static void* thr(void* arg)
{
  struct thread_t* th = (struct thread_t*)arg;
  for (;;) {
    event_wait(&th->ready);
    event_reset(&th->ready);
    execute_call(th->call);
    __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
    event_set(&th->done);
  }
  return 0;
}

static void execute_one(void)
{
  int i, call, thread;
  for (call = 0; call < 7; 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);
      if (call == 4)
        break;
      event_timedwait(&th->done, 50 + (call == 0 ? 4000 : 0));
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    NONFAILING(memcpy((void*)0x20001500, "exfat\000", 6));
    NONFAILING(memcpy((void*)0x20001540, "./file2\000", 8));
    NONFAILING(memcpy(
        (void*)0x20000140,
        "iocharset=cp864,allow_utime=00000000000000000000004,utf8,uid=", 61));
    NONFAILING(sprintf((char*)0x2000017d, "0x%016llx", (long long)0xee01));
    NONFAILING(memcpy(
        (void*)0x2000018f,
        "\x00\x01\x00\x00\x00\x00\x00\x04\x00\x00\x00\x69\xee\x6e\x74\x2d\x72"
        "\x6f\x2c\x75\x69\x64\x3d\xb1\x68\x52\x38\x48\xc6\x86\xff\xff\xed\xdd"
        "\xd5\xa0\x91\x33\x88\x93\x49\x84\x65\x22\x08\x00\x00\x00\x00\x00\x00"
        "\x00\xd9\x49\xce\xc8\xcc\xd3\x4a\x42\x1c\xc1\xf7\xfd\xf9\xad\x57\x94"
        "\x94\x29\x5d\x31\x6c\x00\x17\xf1\x2c\xe4\xde\x14\x7b\xd6\x67\x9c\x83"
        "\x14\x85\x5a\x31\xcb\x62\xe1\xd3\x68\x15\xb6\x34\x74\x04\x4b\xfd\x39"
        "\x47\xe9\x52\xc3\x14\x02\x03\x64\xfb\xf9\xee\x42\xd5\xa9\x22\x3e",
        118));
    NONFAILING(sprintf((char*)0x20000205, "0x%016llx", (long long)0xee01));
    NONFAILING(memcpy(
        (void*)0x20000217,
        ",dmask=00000000000000000000001,errors=continue,iocharset=cp737,\000",
        64));
    NONFAILING(memcpy(
        (void*)0x20001580,
        "\x78\x9c\xec\xdc\x7b\x9c\x8e\xd5\xfa\x30\xf0\x75\xad\xb5\xee\x31\xa6"
        "\x49\x4f\x93\x1c\x86\x75\xad\xeb\xe6\x49\x83\x65\x48\x92\x43\x92\x1c"
        "\x92\x24\x49\x92\x9c\x12\x92\x26\x49\x12\x12\x43\x4e\x49\x43\x12\x72"
        "\x4e\x72\x18\x42\x93\xc3\x34\x26\x8d\xf3\xf9\x90\x73\xd2\x64\x4b\x92"
        "\x24\x24\x24\xac\xf7\xa3\xdd\xfb\xda\x7b\xb7\x7f\x6f\xef\xfb\xee\xf6"
        "\x6b\xff\x3e\x73\x7d\x3f\x9f\xf5\xb9\xd7\xf5\xdc\xcf\x75\x3d\x6b\xcd"
        "\x35\x33\xcf\x73\xdf\x7f\x3c\xdf\xf5\x18\x59\xb7\x79\xbd\x5a\x4d\x89"
        "\x48\xfc\x4b\xe0\xaf\x87\x54\x21\x44\xac\x10\x62\xa8\x10\xe2\x3a\x21"
        "\x44\x20\x84\xa8\x94\x50\x29\xe1\xf2\xf9\xfc\x0a\x52\xff\xb5\x17\x61"
        "\x7f\xae\x87\xd3\xaf\xf6\x0a\xd8\xd5\xc4\xfd\xcf\xdb\xb8\xff\x79\x1b"
        "\xf7\x3f\x6f\xe3\xfe\xe7\x6d\xdc\xff\xbc\x8d\xfb\x9f\xb7\x71\xff\xf3"
        "\x36\xee\x3f\x63\x79\xd9\xb6\x39\x45\xaf\xe7\x91\x77\x07\xdf\xff\xcf"
        "\xcb\xf8\xfd\x3f\x6f\xe3\xfe\xe7\x6d\xdc\xff\xbc\x8d\xfb\x9f\xa7\x5c"
        "\x8c\xfd\x87\x07\xb8\xff\x79\x1b\xf7\x3f\x6f\xe3\xfe\xe7\x6d\xdc\xff"
        "\xbc\x8d\xfb\xcf\x58\x5e\x76\xb5\xef\x3f\xf3\xb8\xba\xe3\x6a\xff\xfe"
        "\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\x31\xc6\x18\xcb\x1b\xce\xf9\x2b\xb4\x10\xe2"
        "\xf2\x31\xb8\xda\x8b\x62\x8c\x31\xc6\x18\x63\x8c\x31\xc6\xd8\x9f\xca"
        "\xe7\xbb\xda\x2b\x60\x8c\x31\xc6\x18\x63\x8c\x31\xc6\xd8\xbf\x1f\x08"
        "\x29\x94\x88\x11\x81\x88\x11\xf9\x44\xac\xc8\x2f\xe2\xc4\x35\x22\x5e"
        "\x5c\x2b\x0a\x88\xeb\x44\x44\x5c\x2f\x12\xc4\x0d\xa2\xa0\xb8\x51\x14"
        "\x12\x85\x45\x11\x51\x54\x24\x8a\x62\xa2\xb8\x30\x02\x85\x15\x24\x42"
        "\x51\x42\x94\x14\x51\x71\x93\x28\x25\x6e\x16\x49\xa2\xb4\x28\x23\xca"
        "\x0a\x27\xca\x89\x64\x51\x5e\x54\x10\xb7\x88\x8a\xe2\x56\x51\x49\xdc"
        "\x26\x2a\x8b\xdb\x45\x15\x51\x55\x54\x13\xd5\xc5\x1d\xa2\x86\xb8\x53"
        "\xd4\x14\x77\x89\x5a\xe2\x6e\x51\x5b\xd4\x11\x75\x45\x3d\x71\x8f\xa8"
        "\x2f\xee\x15\x0d\xc4\x7d\xa2\xa1\xb8\x5f\x34\x12\x0f\x88\xc6\xe2\x41"
        "\xd1\x44\x3c\x24\x9a\x8a\x87\x45\x33\xf1\x88\x68\x2e\x1e\x15\x2d\xc4"
        "\x63\xa2\xa5\x68\x25\x5a\x8b\x36\xa2\xed\xff\x53\xfe\x4b\xa2\x8f\x78"
        "\x59\xf4\x15\xfd\x44\xaa\xe8\x2f\x06\x88\x57\xc4\x40\x31\x48\x0c\x16"
        "\x43\xc4\x50\xf1\xaa\x18\x26\x5e\x13\xc3\xc5\xeb\x22\x4d\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\x31\x55\xbc\x23\xa6\x89\x77"
        "\xc5\x74\xf1\x9e\x98\x21\x66\x8a\x59\x62\xb6\x48\x17\x73\xc4\x5c\xf1"
        "\xbe\x98\x27\xe6\x8b\x05\xe2\x03\x91\x21\x3e\x14\x0b\xc5\x22\xb1\x58"
        "\x2c\x11\x99\xe2\x23\x91\x25\x96\x8a\x6c\xf1\xb1\x58\x26\x3e\x11\x39"
        "\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\x5c\xf1\xe5\xff\x65\xfe\xd9\x7f\xc8\xef\x09\x02\x04\x48\x90\xa0"
        "\x41\x43\x0c\xc4\x40\x2c\xc4\x42\x1c\xc4\x41\x3c\xc4\x43\x01\x28\x00"
        "\x11\x88\x40\x02\x24\x40\x41\x28\x08\x85\xa0\x10\x14\x81\x22\x90\x08"
        "\x89\x50\x1c\x8a\x03\x02\x02\x01\x41\x09\x28\x01\x51\x88\x42\x29\x28"
        "\x05\x49\x90\x04\x65\xa0\x0c\x38\x70\x90\x0c\xc9\x50\x01\x6e\x81\x8a"
        "\x50\x11\x2a\x41\x25\xa8\x0c\x95\xa1\x0a\x54\x85\xaa\x50\x1d\xaa\x43"
        "\x0d\xa8\x01\x35\xa1\x26\xd4\x82\x5a\x50\x1b\x6a\x43\x5d\xa8\x0b\xf7"
        "\xc0\x3d\x70\x2f\x34\x80\x06\xd0\x10\x1a\x42\x23\x68\x04\x8d\xa1\x31"
        "\x34\x81\x26\xd0\x14\x9a\x42\x33\x68\x06\xcd\xa1\x39\xb4\x80\x16\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\x02\x29\xd0\x05\xba\x40\x57\xe8"
        "\x0a\xdd\xa0\x1b\x74\x87\xee\xd0\x03\x7a\x40\x4f\xe8\x05\xbd\xe0\x25"
        "\x78\x09\x5e\x86\x97\xa1\x1f\xd4\x96\xfd\x61\x00\x0c\x80\x81\x30\x10"
        "\x06\xc3\x10\x18\x02\xaf\xc2\x30\x78\x0d\x5e\x83\xd7\x21\x0d\x46\xc0"
        "\x48\x78\x03\xde\x80\x37\x61\x34\x9c\x81\x31\x30\x16\xc6\xc1\x38\xa8"
        "\x21\x27\xc0\x44\x98\x04\x24\xf3\xff\xf6\x37\x34\x0d\xa6\xc3\x74\x98"
        "\x01\x33\x61\x26\xcc\x86\x74\x98\x03\x73\x61\x2e\xcc\x83\xf9\x30\x1f"
        "\x3e\x80\x0c\xf8\x10\x3e\x84\x45\xb0\x08\x96\x40\x26\x64\x42\x16\x2c"
        "\x85\x6c\xc8\x86\x65\x70\x16\x72\x60\x39\xac\x80\x95\xb0\x0a\x56\xc3"
        "\x2a\x58\x0b\xeb\x60\x2d\x6c\x80\x8d\xb0\x01\x36\xc3\x66\xd8\x0a\x5b"
        "\xe1\x53\xf8\x14\x76\xc0\x0e\xd8\x05\xbb\x60\x0f\xec\x81\xcf\xe0\x33"
        "\xf8\x1c\x3e\x87\x34\xc8\x85\x5c\x38\x00\x07\xe0\x20\x1c\x84\x43\x70"
        "\x08\x0e\xc3\x61\x38\x02\x47\xe0\x28\x1c\x85\x63\x70\x0c\x8e\xc3\x71"
        "\x38\x01\x27\xe1\x14\x9c\x84\xd3\x70\x1a\xce\xc0\x59\x38\x07\xe7\xe0"
        "\x3c\x9c\x87\x0b\xf0\x42\xe2\x37\xcd\xf6\x94\x5e\x9f\x26\xe4\x65\x5a"
        "\x6a\x19\x23\x63\x64\xac\x8c\x95\x71\x32\x4e\xc6\xcb\x78\x59\x40\x16"
        "\x90\x11\x19\x91\x09\x32\x41\x16\x94\x05\x65\x21\x59\x48\x16\x91\x45"
        "\x64\xa2\x4c\x94\xc5\x65\x71\x89\x12\x25\xc9\x50\x96\x90\x25\x64\x54"
        "\x46\x65\x29\x59\x4a\x26\xc9\x24\x59\x46\x96\x91\x4e\x3a\x99\x2c\x93"
        "\x65\x05\x59\x41\x56\x94\x15\x65\x25\x79\x9b\xac\x2c\x6f\x97\x55\x64"
        "\x55\xd9\xc1\x55\x97\xd5\x65\x0d\xd9\xd1\xd5\x94\x77\xc9\x5a\xb2\x96"
        "\xac\x2d\xeb\xc8\xba\xb2\x9e\xac\x27\xeb\xcb\xfa\xb2\x81\x6c\x20\x1b"
        "\xca\x86\xb2\x91\x6c\x24\x1b\xcb\x07\x65\x13\xd9\x1f\x06\xc3\xc3\xf2"
        "\x72\x67\x9a\xcb\x11\xd0\x42\x8e\x84\x96\xb2\x95\x6c\x2d\xdb\xc8\x37"
        "\xe1\x71\xd9\x4e\x8e\x86\xf6\xb2\x83\xec\x28\x9f\x94\x63\x61\x0c\x74"
        "\x96\xed\x5c\x8a\x7c\x46\x76\x91\x13\xa1\xab\x7c\x4e\x4e\x82\xe7\x65"
        "\x77\x39\x05\x7a\xc8\x17\x65\x4f\xd9\x4b\xf6\x96\x2f\xc9\x3e\xb2\xbd"
        "\xeb\x2b\xfb\xc9\x19\xd0\x5f\x0e\x90\xb3\x61\xa0\x1c\x24\x07\xcb\x21"
        "\x72\x1e\xd4\x91\x97\x3b\x56\x57\xbe\x2e\xd3\xe4\x08\x39\x52\xbe\x21"
        "\x97\xc0\x9b\x72\xb4\x7c\x4b\x8e\x91\x63\xe5\x38\xf9\xb6\x1c\x2f\x27"
        "\xc8\x89\x72\x92\x9c\x2c\xa7\xc8\xa9\xf2\x1d\x39\x4d\xbe\x2b\xa7\xcb"
        "\xf7\xe4\x0c\x39\x53\xce\x92\xb3\x65\xba\x9c\x23\xe7\xca\xf7\xe5\x3c"
        "\x39\x5f\x2e\x90\x1f\xc8\x0c\xf9\xa1\x5c\x28\x17\xc9\xc5\x72\x89\xcc"
        "\x94\x1f\xc9\x2c\xb9\x54\x66\xcb\x8f\xe5\x32\xf9\x89\xcc\x91\xcb\xe5"
        "\x0a\xb9\x52\xae\x92\xab\xe5\x1a\xb9\x56\xae\x93\xeb\xe5\x06\xb9\x51"
        "\x6e\x92\x9b\xe5\x16\xb9\x55\x6e\x93\x9f\xca\xed\x72\x87\xdc\x29\x77"
        "\xc9\xdd\x72\x8f\xdc\x2b\x3f\x93\xfb\xe4\xe7\x72\xbf\xfc\x42\xe6\xca"
        "\x2f\xe5\x01\xf9\x17\x79\x50\x7e\x25\x0f\xc9\xaf\xe5\x61\xf9\x8d\x3c"
        "\x22\xbf\x95\x47\xe5\x77\xf2\x98\xfc\x5e\x1e\x97\x3f\xc8\x13\xf2\xa4"
        "\x3c\x25\x7f\x94\xa7\xe5\x4f\xf2\x8c\x3c\x2b\xcf\xc9\x9f\xe5\x79\xf9"
        "\x8b\xbc\x20\x2f\xca\x4b\xd2\x4b\xa1\x40\x49\xa5\x94\x56\x81\x8a\x51"
        "\xf9\x54\xac\xca\xaf\xe2\xd4\x35\x2a\x5e\x5d\xab\x0a\xa8\xeb\x54\x44"
        "\x5d\xaf\x12\xd4\x0d\xaa\xa0\xba\x51\x15\x52\x85\x55\x11\x55\x54\x25"
        "\xaa\x62\xaa\xb8\x32\x0a\x95\x55\xa4\x42\x55\x42\x95\x54\x51\x75\x93"
        "\x2a\xa5\x6e\x56\x49\xaa\xb4\x2a\xa3\xca\x2a\xa7\xca\xa9\x64\x55\x5e"
        "\x55\x50\xb7\xa8\x8a\xea\x56\x55\x49\xdd\xa6\x2a\xab\xdb\x55\x15\x55"
        "\x55\x55\x53\xd5\xd5\x1d\xaa\x86\xba\x53\xd5\x54\x77\xa9\x5a\xea\x6e"
        "\x55\x5b\xd5\x51\x75\x55\x3d\x75\x8f\xaa\xaf\xee\x55\x0d\xd4\x7d\xaa"
        "\xa1\xba\x5f\x35\x52\x0f\xa8\xc6\xea\x41\xd5\x44\x3d\xa4\x9a\xaa\x87"
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        "\x1b\x34\x08\xee\x0b\x1a\x06\xf7\x07\x8d\x82\x07\x82\xc6\xc1\x83\x41"
        "\x93\xe0\xa1\xa0\x69\xf0\x70\xd0\x2c\x78\x24\x68\x1e\x3c\x1a\xb4\x08"
        "\x1e\x0b\x5a\x06\xad\x82\xd6\x41\x9b\xa0\xed\x9f\x5a\xdf\xfb\x33\x85"
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        "\x5d\x33\xdd\xbc\x67\x66\x98\x99\x66\x96\x99\x6d\xd2\xcd\x1c\x33\xd7"
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        "\x9b\x6f\xcc\x11\xf3\xad\x39\x6a\xbe\x33\xc7\xcc\xf7\xe6\xb8\xf9\xc1"
        "\x9c\x30\x27\xcd\x29\xf3\xa3\x39\x6d\x7e\x32\x67\xcc\x59\x73\xce\xfc"
        "\x6c\xce\x9b\x5f\xcc\x05\x73\xd1\x5c\x32\xfe\xf2\x87\xfb\xcb\x6f\xef"
        "\xa8\x51\x63\x0c\xc6\x60\x2c\xc6\x62\x1c\xc6\x61\x3c\xc6\x63\x01\x2c"
        "\x80\x11\x8c\x60\x02\x26\x60\x41\x2c\x88\x85\xb0\x10\x16\xc1\x22\x98"
        "\x88\x89\x58\x1c\x8b\xe3\x65\x84\x84\x25\xb0\x04\x46\x31\x8a\xa5\xb0"
        "\x14\x26\x61\x12\x96\xc1\x32\xe8\xd0\x61\x32\x26\x63\x05\xac\x80\x15"
        "\xb1\x22\x56\xc2\x4a\x58\x19\x2b\x63\x15\xac\x82\xd5\xb0\x1a\xde\x81"
        "\x77\xe0\x9d\x78\x27\xde\x85\x77\xe1\xdd\x78\x37\xd6\xc1\x3a\x58\x0f"
        "\xeb\x61\x7d\xac\x8f\x0d\xb0\x01\x36\xc4\x86\xd8\x08\x1b\x61\x63\x6c"
        "\x8c\x4d\xb0\x09\x36\xc5\xa6\xd8\x0c\x9b\x61\x73\x6c\x8e\x2d\xb0\x05"
        "\xb6\xc4\x96\xd8\x1a\x5b\x63\x5b\x6c\x8b\xed\xb0\x1d\xb6\xc7\xf6\xd8"
        "\x11\x3b\x62\x27\xec\x84\x9d\xb1\x33\xa6\x60\x0a\x76\xc1\x2e\xd8\x15"
        "\xbb\x62\x37\xec\x86\xdd\xb1\x3b\xf6\xc0\x1e\xd8\x13\x7b\x62\x6f\xec"
        "\x8d\x7d\xb0\x0f\xf6\xc5\xbe\x98\x8a\xa9\x38\x00\x07\xe0\x40\x1c\x88"
        "\x83\x71\x30\x0e\xc5\xa1\x38\x0c\x87\xe1\x70\x1c\x8e\x69\x98\x86\x23"
        "\x71\x24\x8e\xc2\x51\x38\x1a\x47\xe3\x18\x1c\x8b\xe3\xf0\x6d\x1c\x8f"
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        "\xc7\x19\x38\x03\x67\xe1\x2c\x4c\xc7\x74\x9c\x8b\x73\x71\x1e\xce\xc3"
        "\x05\xb8\x00\x33\x30\x03\x17\xe2\x42\x5c\x8c\x8b\x31\x13\x33\x31\x0b"
        "\xb3\x30\x1b\xb3\x71\x19\x2e\xc3\x1c\xcc\xc1\x15\xb8\x02\x57\xe1\x2a"
        "\x5c\x83\x6b\x70\x1d\xae\xc3\x0d\xb8\x01\x37\xe1\x26\xdc\x82\x5b\x70"
        "\x1b\x6e\xc3\xed\xb8\x1d\x77\xe2\x4e\xdc\x8d\xbb\x71\x2f\xee\xc5\x7d"
        "\xb8\x0f\xf7\xe3\x7e\xcc\xc5\x5c\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\x14\x9e\xc2\xd3\x78\x1a\xcf\xe0\x19\x3c\x87\xe7\xf0"
        "\x3c\xfe\x82\x17\xf0\x22\x5e\x42\x8f\xb1\x36\xbf\x8d\xb3\xd7\xd8\x78"
        "\x7b\xad\x2d\x60\xaf\xb3\xff\x18\x17\xb1\x45\x6d\xa2\x2d\x66\x8b\x5b"
        "\x63\x0b\xd9\xc2\x7f\x17\xa3\xb5\x36\xc9\x96\xb6\x65\x6c\x59\xeb\x6c"
        "\x39\x9b\x6c\xcb\xff\x2e\xae\x62\xab\xda\x6a\xb6\xba\xbd\xc3\xd6\xb0"
        "\x77\xda\x9a\xbf\x8b\xeb\xdb\x7b\x6d\x03\x7b\x9f\x6d\x68\xef\xb7\xf5"
        "\xec\x3d\x7f\x17\x37\xb2\x0f\xd8\xc6\xf6\x51\xdb\xc4\x3e\x66\x9b\xda"
        "\x56\xb6\x99\x6d\x63\x9b\xdb\x47\x6d\x0b\xfb\x98\x6d\x69\x5b\xd9\xd6"
        "\xb6\x8d\xed\x64\x9f\xb2\x9d\xed\xd3\x36\xc5\x3e\x63\xbb\xd8\x67\x7f"
        "\x17\x67\xd9\xa5\x76\x9d\x5d\x6f\x37\xd8\x8d\x76\x9f\xfd\xdc\x9e\xb3"
        "\x3f\xdb\xa3\xf6\x3b\x7b\xde\xfe\x62\xfb\xda\x7e\x76\xa8\x7d\xd5\x0e"
        "\xb3\xaf\xd9\xe1\xf6\x75\x9b\x66\x47\xfc\x2e\x1e\x67\xdf\xb6\xe3\xed"
        "\x04\x3b\xd1\x4e\xb2\x93\xed\x94\xdf\xc5\xb3\xec\x6c\x9b\x6e\xe7\xd8"
        "\xb9\xf6\x7d\x3b\xcf\xce\xff\x5d\x9c\x69\x3f\xb2\x19\x36\xdb\x2e\xb4"
        "\x8b\xec\x62\xbb\xe4\xd7\xf8\xf2\x9a\xb2\xed\xc7\x76\x99\xfd\xc4\xe6"
        "\xd8\xe5\x76\x85\x5d\x69\x57\xd9\xd5\x76\x8d\x5d\xfb\xbf\xd6\xba\xd2"
        "\x6e\xb6\x5b\xec\x56\xbb\xd7\x7e\x66\xb7\xdb\x1d\x76\xa7\xdd\x65\x77"
        "\xdb\x3d\xbf\xc6\x97\xf7\xb1\xdf\x7e\x61\x73\xed\x97\xf6\x88\xfd\xd6"
        "\x1e\xb4\x5f\xd9\x43\xf6\x98\x3d\x6c\xbf\xf9\x35\xbe\xbc\xbf\x63\xf6"
        "\x7b\x7b\xdc\xfe\x60\x4f\xd8\x93\xf6\x94\xfd\xd1\x9e\xb6\x3f\xd9\x33"
        "\xf6\xec\xaf\xfb\xbf\xbc\xf7\x1f\xed\x45\x7b\xc9\x7a\x2b\x08\x48\x92"
        "\x22\x4d\x01\xc5\x50\x3e\x8a\xa5\xfc\x14\x47\xd7\x50\x3c\x5d\x4b\x05"
        "\xe8\x3a\x8a\xd0\xf5\x94\x40\x37\x50\x41\xba\x91\x0a\x51\xe1\x9a\x09"
        "\xdf\xd7\xa4\x44\x2a\x46\xc5\xc9\x10\x92\x25\xa2\x90\x4a\x50\x49\x8a"
        "\xd2\x4d\x54\x8a\x6e\xa6\x24\x2a\x4d\x65\xa8\x2c\x39\x2a\x47\xc9\x54"
        "\x9e\x2a\xd0\x2d\x54\x91\x6e\xa5\x4a\x74\x1b\x55\xa6\xdb\xa9\x0a\x55"
        "\xa5\x6a\x54\x9d\xee\xa0\x1a\x74\x27\xd5\xa4\xbb\xa8\x16\xdd\x4d\xb5"
        "\xa9\x0e\xd5\xa5\x7a\x74\x0f\xd5\xa7\x7b\xa9\x01\xdd\x47\x0d\xe9\x7e"
        "\x6a\x44\x0f\x50\x63\x7a\x90\x9a\xd0\x43\xd4\x94\x1e\xa6\x66\xf4\x08"
        "\x35\xa7\x47\xa9\x05\x3d\x46\x2d\xa9\x15\xb5\xa6\x36\xd4\x96\x1e\xa7"
        "\x76\xf4\x04\xb5\xa7\x0e\xd4\x91\x9e\xa4\x4e\xf4\x14\x75\xa6\xa7\x29"
        "\x85\x9e\xa1\x2e\xf4\x2c\x75\xa5\xe7\xa8\x1b\x3d\x4f\xdd\xe9\x05\xea"
        "\x41\x2f\x52\x4f\xea\x45\xbd\xe9\x25\xea\x43\x2f\x53\x5f\xea\x47\xa9"
        "\xd4\x9f\x06\xd0\x2b\x34\x90\x06\xd1\x60\x1a\x42\x43\xe9\x55\x1a\x46"
        "\xaf\xd1\x70\x7a\x9d\xd2\x68\x04\x8d\xa4\x37\x68\x14\xbd\x49\xa3\xe9"
        "\x2d\x1a\x43\x63\x69\x1c\xbd\x4d\xe3\x69\x02\x4d\xa4\x49\x34\x99\xa6"
        "\xd0\x54\x7a\x87\xa6\xd1\xbb\x34\x9d\xde\xa3\x19\x34\x93\x66\xd1\x6c"
        "\x4a\xa7\x39\x34\x97\xde\xa7\x79\x34\x9f\x16\xd0\x07\x94\x41\x1f\xd2"
        "\x42\x5a\x44\x8b\x69\x09\x65\xd2\x47\x94\x45\x4b\x29\x9b\x3e\x86\x65"
        "\xf4\x09\xe5\xd0\x72\x5a\x41\x2b\x69\x15\xad\xa6\x35\xb4\x96\xd6\xd1"
        "\x7a\xda\x40\x1b\x69\x13\x6d\xa6\x2d\xb4\x95\xb6\xd1\xa7\xb4\x9d\x76"
        "\xd0\x4e\xda\x45\xbb\x69\x0f\xed\xa5\xcf\x68\x1f\x7d\x4e\xfb\xe9\x0b"
        "\xca\xa5\x2f\xe9\x00\xfd\x85\x0e\xd2\x57\x74\x88\xbe\xa6\xc3\xf4\x0d"
        "\x1d\xa1\x6f\xe9\x28\x7d\x47\xc7\xe8\x7b\x3a\x4e\x3f\xd0\x09\x3a\x49"
        "\xa7\xe8\x47\x3a\x4d\x3f\xd1\x19\x3a\x4b\xe7\xe8\x67\x3a\x4f\xbf\xd0"
        "\x05\xba\x48\x97\xc8\x93\x08\x21\x94\xa1\x0a\x75\x18\x84\x31\x61\xbe"
        "\x30\x36\xcc\x1f\xc6\x85\xd7\x84\xf1\xe1\xb5\x61\x81\xf0\xba\x30\x12"
        "\x5e\x1f\x26\x84\x37\x84\x05\xc3\x1b\xc3\x42\x61\xe1\xb0\x48\x58\x34"
        "\x4c\x0c\x8b\x85\xc5\x43\x13\x62\x68\x43\x0a\xc3\xb0\x44\x58\x32\x8c"
        "\x86\x37\x85\xa5\xc2\x9b\xc3\xa4\xb0\x74\x58\x26\x2c\x1b\xba\xb0\x5c"
        "\x98\x1c\x96\x0f\x2b\x84\xb7\x84\x15\xc3\x5b\xc3\x4a\xe1\x6d\x61\xe5"
        "\xf0\xf6\xb0\x4a\x58\x35\x7c\xf4\xfe\xea\xe1\x1d\x61\x8d\xf0\xce\xb0"
        "\x66\x78\x57\x58\x2b\xbc\x3b\xac\x1d\xd6\x09\xeb\x86\xf5\xc2\x7b\xc2"
        "\xfa\xe1\xbd\x61\x83\xf0\xbe\xb0\x61\x78\x7f\x58\x31\x7c\x20\x6c\x1c"
        "\x3e\x18\x36\x09\x1f\x0a\x9b\x86\x0f\x87\xcd\xc2\x47\xc2\xe6\xe1\xa3"
        "\x61\x8b\xf0\xb1\xb0\x65\xd8\x2a\x6c\x1d\xb6\x09\xdb\x86\x8f\x87\xed"
        "\xc2\x27\xc2\xf6\x61\x87\xb0\x63\xf8\x64\xd8\x29\x7c\x2a\xec\x1c\x3e"
        "\x1d\xa6\x84\xcf\x84\x5d\xc2\x67\xff\xf0\x7c\x6a\xd8\x3f\x1c\x10\xbe"
        "\x12\xbe\x12\x7a\x7f\x9f\x5a\x1c\x5d\x12\xcd\x8c\x7e\x14\xcd\x8a\x2e"
        "\x8d\x66\x47\x3f\x8e\x2e\x8b\x7e\x12\xcd\x89\x2e\x8f\xae\x88\xae\x8c"
        "\xae\x8a\xae\x8e\xae\x89\xae\x8d\xae\x8b\xae\x8f\x6e\x88\x6e\x8c\x6e"
        "\x8a\x6e\x8e\x6e\x89\x6e\x8d\x7a\x5f\x2f\x9f\x70\xe0\xa4\x53\x4e\xbb"
        "\xc0\xc5\xb8\x7c\x2e\xd6\xe5\x77\x71\xee\x1a\x17\xef\xae\x75\x05\xdc"
        "\x75\x2e\xe2\xae\x77\x09\xee\x06\x57\xd0\xdd\xe8\x0a\xb9\xc2\xae\x88"
        "\x2b\xea\x12\x5d\x31\x57\xdc\x19\x87\xce\x3a\x72\xa1\x2b\xe1\x4a\xba"
        "\xa8\xbb\xc9\x95\x72\x37\xbb\x24\x57\xda\x95\x71\x65\x9d\x73\xe5\x5c"
        "\xb2\x6b\xe3\xda\xba\xb6\xae\x9d\x7b\xc2\xb5\x77\x1d\x5c\x47\xf7\xa4"
        "\x7b\xd2\x3d\xe5\x9e\x72\x4f\xbb\xa7\xdd\x33\xae\x8b\x7b\xd6\x75\x75"
        "\xcf\xb9\x6e\xee\x79\xd7\xdd\xbd\xe0\x5e\x70\x2f\xba\x9e\xae\x97\xeb"
        "\xed\x5e\x72\x7d\xdc\xcb\xae\xaf\xeb\xe7\x52\x5d\xaa\x1b\xe0\x06\xb8"
        "\x81\x6e\xa0\x1b\xec\x06\xbb\xa1\x6e\xa8\x1b\xe6\x86\xb9\xe1\x6e\xb8"
        "\x4b\x73\x69\x6e\xa4\x1b\xe9\x46\xb9\x51\x6e\xb4\x1b\xed\xc6\xb8\x31"
        "\x6e\x9c\x1b\xe7\xc6\xbb\xf1\x6e\xa2\x9b\xe8\x26\xbb\xc9\x6e\xaa\x9b"
        "\xea\xa6\xb9\x69\x6e\xba\x9b\xee\x66\xb8\x19\x6e\x96\x9b\xe5\xd2\x5d"
        "\xba\x9b\xeb\xe6\xba\x79\x6e\x9e\x5b\xe0\x16\xb8\x8c\xa4\x0c\xb7\xd0"
        "\x2d\x74\x8b\xdd\x62\x97\xe9\x32\x5d\x96\xcb\x72\xd9\x2e\xdb\x2d\x73"
        "\xcb\x5c\x8e\xcb\x71\x2b\xdc\x0a\xb7\xca\xad\x72\x6b\xdc\x1a\xb7\xce"
        "\xad\x73\x1b\xdc\x06\xb7\xc9\x6d\x72\x5b\xdc\x16\xb7\xcd\x6d\x73\xdb"
        "\xdd\x76\xb7\xd3\xed\x74\xbb\xdd\x6e\xb7\xd7\xed\x75\xfb\xdc\x3e\xb7"
        "\xdf\xed\x77\xb9\x2e\xd7\x1d\x70\x07\xdc\x41\x77\xd0\x1d\x72\x5f\xbb"
        "\xc3\xee\x1b\x77\xc4\x7d\xeb\x8e\xba\xef\xdc\x31\xf7\xbd\x3b\xee\x7e"
        "\x70\x27\xdc\x49\x77\xca\xfd\xe8\x4e\xbb\x9f\xdc\x19\x77\xd6\x9d\x73"
        "\x3f\xbb\xf3\xee\x17\x77\xc1\x5d\x74\x97\x9c\x77\x53\x23\xef\x44\xa6"
        "\x45\xde\x8d\x4c\x8f\xbc\x17\x99\x11\x99\x19\x99\x15\x99\x1d\x49\x8f"
        "\xcc\x89\xcc\x8d\xbc\x1f\x99\x17\x99\x1f\x59\x10\xf9\x20\x92\x11\xf9"
        "\x30\xb2\x30\xb2\x28\xb2\x38\xb2\x24\x92\x19\xf9\x28\x92\x15\x59\x1a"
        "\xc9\x8e\x7c\x1c\x59\x16\xf9\x24\x92\x13\x59\x1e\x59\x11\x59\x19\x59"
        "\x15\x59\x1d\xf1\xbe\xd8\xf6\xd0\x97\xf0\x25\x7d\xd4\xdf\xe4\x4b\xf9"
        "\x9b\x7d\x92\x2f\xed\xcb\xf8\xb2\xde\xf9\x72\x3e\xd9\x97\xf7\x15\xfc"
        "\x2d\xbe\xa2\xbf\xd5\x57\xf2\xb7\xf9\xca\xfe\x76\x5f\xc5\x57\xf5\xd5"
        "\xfc\x63\xbe\xa5\x6f\xe5\x5b\xfb\x36\xbe\xad\x7f\xdc\xb7\xf3\x4f\xf8"
        "\xf6\xbe\x83\xef\xe8\x9f\xf4\x9d\xfc\x53\xbe\xb3\x7f\xda\xa7\xf8\x67"
        "\x7c\x17\xff\xac\xef\xea\x9f\xf3\xdd\xfc\xf3\xbe\xbb\x7f\xc1\xf7\xf0"
        "\x2f\xfa\x9e\xbe\x97\xef\xed\x5f\xf2\x7d\xfc\xcb\xbe\xaf\xef\xe7\x53"
        "\x7d\x7f\x3f\xc0\xbf\xe2\x07\xfa\x41\x7e\xb0\x1f\xe2\x87\xfa\x57\xfd"
        "\x30\xff\x9a\x1f\xee\x5f\xf7\x69\x7e\x84\x1f\xe9\xdf\xf0\xa3\xfc\x9b"
        "\x7e\xb4\x7f\xcb\x8f\xf1\x63\xfd\x38\xff\xb6\x1f\xef\x27\xf8\x89\x7e"
        "\x92\x9f\xec\xa7\xf8\xa9\xfe\x1d\x3f\xcd\xbf\xeb\xa7\xfb\xf7\xfc\x0c"
        "\x3f\xd3\xcf\xf2\xb3\x7d\xba\xcf\x12\x73\xfd\xfb\x7e\x9e\x9f\xef\x17"
        "\xf8\x0f\x7c\x86\xff\xd0\x2f\xf4\x8b\xfc\x62\xbf\xc4\x67\xfa\x8f\x7c"
        "\x96\x5f\xea\xb3\xfd\xc7\x7e\x99\xff\xc4\xe7\xf8\xe5\x7e\x85\x5f\xe9"
        "\x57\xf9\xd5\x7e\x8d\x5f\xeb\xd7\xf9\xf5\x7e\x83\xdf\xe8\x37\xf9\xcd"
        "\x7e\x8b\xdf\xea\xb7\xf9\x4f\xfd\x76\xbf\xc3\xef\xf4\xbb\xfc\x6e\xbf"
        "\xc7\xef\xf5\x9f\xf9\x7d\xfe\x73\xbf\xdf\x7f\xe1\x73\xfd\x97\xfe\x80"
        "\xff\x8b\x3f\xe8\xbf\xf2\x87\xfc\xd7\xfe\xb0\xff\xc6\x1f\xf1\xdf\xfa"
        "\xa3\xfe\x3b\x7f\xcc\x7f\xef\x8f\xfb\x1f\xfc\x09\x7f\xd2\x9f\xf2\x3f"
        "\xfa\xd3\xfe\x27\x7f\xc6\x9f\xf5\xe7\xfc\xcf\xfe\xbc\xff\xc5\x5f\xf0"
        "\x17\xfd\x25\xef\xfd\x55\xbe\x91\xce\x18\x63\x8c\x31\xf6\xdf\x82\xfa"
        "\x83\xf3\xfd\xff\xc9\x63\xf2\xb7\x71\xd9\x00\x21\xc4\xb5\x3b\x8a\x1e"
        "\xfe\xc7\x9a\x9b\x0a\xfd\x75\x3e\x48\x26\x76\x8a\x08\x21\x9e\xe9\xd7"
        "\xe3\xe1\xff\x39\x6a\xd7\x4e\x4d\x4d\xfd\xed\xb9\x39\x4a\x04\x25\x17"
        "\x09\x21\x22\x57\xf2\x63\xc4\x95\x78\xb9\xe8\x28\x9e\x12\x29\xa2\x83"
        "\xa8\xf0\x4f\xd7\x37\x48\xf6\x3a\x4f\x7f\x50\x3f\x7a\x9b\x10\x71\x7f"
        "\x93\x13\x2b\xae\xc4\x57\xea\xdf\xf2\x5f\xd4\x9f\x90\xf1\x87\xf5\x17"
        "\x09\x91\x54\xf2\x4a\x4e\x7e\x71\x25\xbe\x52\xbf\xe2\x7f\x51\xbf\x70"
        "\xbb\xff\x5d\xfd\x95\xbf\x1d\xdb\xff\x4d\x4e\xfc\xdf\xc4\x57\xea\x27"
        "\x8b\x27\xc4\xb3\x22\xe5\xef\x9e\xc9\x18\x63\x8c\x31\xc6\x18\x63\x8c"
        "\xfd\xd5\x20\x59\xad\xdb\x1f\x5d\xdf\x5e\xbe\x3e\x4f\xd4\x57\x72\xf2"
        "\x89\x2b\xf1\x1f\x5d\x9f\x33\xc6\x18\x63\x8c\x31\xc6\x18\x63\xec\xea"
        "\x7b\xbe\x57\xef\xa7\x1f\x4f\x49\xe9\xd0\x8d\x27\xff\x7c\x12\x88\xff"
        "\x88\x65\xf0\xe4\x3f\x69\x02\x42\xa4\xfe\x07\x2c\xe3\xdf\x3a\xb9\xda"
        "\xff\x99\x18\x63\x8c\x31\xc6\x18\x63\x7f\xb6\x2b\x1f\xfa\xaf\xf6\x4a"
        "\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\xb1\xbc\xeb\xff\xc7\xd7\x89\x5d\xed\x3d\x32\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\x57\xdb\xff\x08\x00"
        "\x00\xff\xff\xcc\xd3\x2e\x8d",
        5362));
    NONFAILING(syz_mount_image(0x20001500, 0x20001540, 0x20000000, 0x20000140,
                               1, 0x14f2, 0x20001580));
    break;
  case 1:
    NONFAILING(memcpy((void*)0x20006ac0, "cpuacct.stat\000", 13));
    res = syscall(__NR_openat, 0xffffff9c, 0x20006ac0ul, 0x275aul, 0ul);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    NONFAILING(memcpy((void*)0x20000380, "./file1\000", 8));
    syscall(__NR_openat, 0xffffff9c, 0x20000380ul, 0x141842ul, 0ul);
    break;
  case 3:
    syscall(__NR_write, r[0], 0x20000080ul, 2ul);
    break;
  case 4:
    syscall(__NR_mmap, 0x20000000ul, 0x400000ul, 1ul, 0x10012ul, r[0], 0ul);
    break;
  case 5:
    NONFAILING(memcpy((void*)0x20000080, "./file0\000", 8));
    res = syscall(__NR_openat, 0xffffff9c, 0x20000080ul, 0ul, 0ul);
    if (res != -1)
      r[1] = res;
    break;
  case 6:
    syscall(__NR_getdents64, r[1], 0ul, 0x8008ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  install_segv_handler();
  use_temporary_dir();
  loop();
  return 0;
}