// https://syzkaller.appspot.com/bug?id=da0d8a51e89e8a43bbe9f97163f12296725c796c
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/futex.h>
#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

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

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

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

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

typedef struct {
  int state;
} event_t;

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

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

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

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

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

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

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

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

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

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

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

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

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

#define ZLIB_HEADER_WIDTH 2

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

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

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

static void reset_loop_device(const char* loopname)
{
  int loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    return;
  }
  if (ioctl(loopfd, LOOP_CLR_FD, 0)) {
  }
  close(loopfd);
}

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

error_clear_loop:
  if (need_loop_device)
    reset_loop_device(loopname);
  errno = err;
  return res;
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
retry:
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;
  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)
{
  int i, call, thread;
  for (call = 0; call < 5; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      event_timedwait(&th->done, 50 + (call == 0 ? 4000 : 0));
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

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

uint64_t r[1] = {0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    memcpy((void*)0x20000c00, "udf\000", 4);
    memcpy((void*)0x20000180, "./bus\000", 6);
    memcpy((void*)0x200003c0,
           "\x00\x57\x7a\xb5\xfc\x26\x47\x80\xb8\x4b\x20\xb4\x69\x41\x04\xe0"
           "\xfd\x15\xf2\x12\x85\xf6\xcb\x7c\x84\xd4\x47\xf5\x8d\x38\x27\x76"
           "\xe8\x35\x00\x0e\x03\x80\xb3\xb0\xec\x4b\x1c\x41\x28\x12\x42\x86"
           "\xaf\x35\xc7\x02\xaf\x20\xe3\xef\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x43\x4a\xe9\x11\x57\x98\xb4\xbf\x90"
           "\xbe\xc8\x2b\x23\x7c\x8f\x92\x3f\x8f\xbf\x95\x4b\x87\xbf\x6c\xaa"
           "\x69\xdf\x38\xbd\x03\xb3\x51\x0c\x8e\x61\x78\xb8\xc1\xfa\x08\xc3"
           "\xc3\x30\xfa\xfc\x60\xf9\x46\x8f\xfb\x93\x94\xf6",
           124);
    memcpy(
        (void*)0x200018c0,
        "\x78\x9c\xec\xdd\x41\x6c\x1c\xd7\x79\x07\xf0\xef\x8d\x48\x91\x92\x8b"
        "\x64\xeb\x58\xb2\x93\x1a\xc1\xda\x05\x1c\x55\x69\x54\x92\x8a\x2d\x1b"
        "\x0c\x50\xab\x66\x89\xa6\x51\x6c\xd6\x14\x93\xb6\xee\xc1\x2b\x71\xa5"
        "\x6e\x45\x2d\x17\x24\xe5\xc8\x46\x9b\xb8\x27\x1f\x5a\xa0\x6c\x0a\xf4"
        "\xd2\x14\x28\x50\xa4\x30\x7a\x08\xd8\x43\x0e\xed\x29\x05\x0a\xf4\x4a"
        "\x14\xb9\x15\x05\xd4\x34\x75\x5d\x14\x05\xf6\x10\xc3\x97\xc2\x2c\x66"
        "\xf6\x2d\xb9\x92\x68\x53\x11\x45\x51\x92\x7f\x3f\x40\xfe\x0f\x67\xbf"
        "\xb7\x3b\xf3\xde\x6a\x66\xb8\x6f\xc7\x0a\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x20\xe2\x57\x7e\xf5\xf4\xd8\x78\xda\xef"
        "\xad\x00\x00\xee\xa6\x17\x67\x5f\x1e\x9b\x70\xfe\x07\x80\x8f\x95\xb3"
        "\x7e\xff\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x7b\x5d\x8a"
        "\x22\xde\x8d\x14\xdf\x78\xbc\x9b\x5e\xad\x7e\xee\x19\x3d\xd3\x6a\x5f"
        "\xb9\x3a\x37\x35\xbd\x7d\xb3\x43\xa9\x6a\x79\xa0\xaa\x2f\xff\x8c\x8e"
        "\x4f\x9c\xfc\xe2\xd3\xcf\x9c\x7a\xb6\x9f\x1f\xdd\xfe\x4e\xfb\x74\xbc"
        "\x34\x7b\xf6\x74\xfd\x85\xc5\xcb\x9d\xa5\xe6\xf2\x72\x73\xbe\x3e\xd7"
        "\x6e\x9d\x5f\x9c\x6f\xde\xf2\x33\xec\xb6\xfd\x8d\x8e\x57\x1d\x50\xbf"
        "\x7c\xe9\xca\xfc\x85\x0b\xcb\xf5\x89\x13\x27\xaf\x7b\xf8\x6a\xed\x9d"
        "\x91\x87\x8e\xd6\x26\x4f\x8d\xbf\x72\xa4\x5f\x3b\x37\x35\x3d\x3d\x3b"
        "\x50\x33\x34\x7c\xdb\xaf\x7e\x93\x0f\xbb\xc3\xe3\x60\x14\x71\x21\x52"
        "\x5c\x7a\xfb\xdd\xd4\x88\x88\x22\x76\xdf\x17\x3b\xbc\x77\xf6\xda\xa1"
        "\x6a\x27\x8e\x57\x3b\x31\x37\x35\x5d\xed\xc8\x42\xab\xd1\x5e\x29\x1f"
        "\x9c\xe9\x77\x44\x11\x51\x1b\x68\xf4\x7c\xbf\x8f\xee\xc2\x58\xec\x4a"
        "\x3d\xe2\xcd\x72\xf3\xcb\x0d\x3e\x5e\xee\xde\x6c\xa7\xb1\xd4\x38\xb7"
        "\xd0\xac\xcf\x34\x96\x56\x5a\x2b\xad\xc5\xf6\x4c\xea\x6d\x6d\xaa\xca"
        "\x8b\x78\x36\x45\x74\x22\xa2\x3b\x72\xf3\xd3\x0d\x47\x11\xdf\x8c\x14"
        "\x6f\x7d\xa7\x9b\xce\x45\xc4\x81\x7e\x3f\x7c\xbe\xba\x31\x78\xe7\xed"
        "\x29\xf6\x60\x1f\x6f\xc1\x50\x44\xd4\x86\x23\xd6\x8b\xfb\x60\xcc\xee"
        "\x61\x23\x51\xc4\xf7\x22\xc5\xb7\xbf\x35\x16\xe7\x73\xbf\x56\xdd\xf6"
        "\x54\xc4\x57\xcb\x3c\x1a\x71\xa5\xcc\x6b\x11\xab\x65\x7e\x36\x22\x95"
        "\x6f\x90\x47\x22\xde\xdb\xe6\xfd\xc4\xfd\x65\x28\x8a\xf8\xa3\x48\xf1"
        "\x93\xc9\x6e\x9a\xef\x8f\x7d\x75\x5c\x39\xf3\xb5\xfa\x97\xdb\x17\x16"
        "\x07\x6a\xfb\xc7\x95\xfb\xfe\xfc\x70\x37\xdd\xe3\xc7\xa6\xd1\x28\xa2"
        "\x51\x1d\xf1\xbb\xe9\xf6\x2f\x76\x00\x00\x00\x00\x00\xb8\xf7\x14\xf1"
        "\xa7\x91\xe2\x89\x1f\x1e\x4b\x9d\x18\x9c\x53\x6c\xb5\x2f\xd6\xcf\x36"
        "\xce\x2d\xf4\x3e\x15\xee\x7f\xf6\x5f\xcf\xad\x36\x36\x36\x36\x6a\xa9"
        "\x97\x63\x39\x67\x72\x76\x72\xae\xe6\x5c\xcb\xb9\x9e\xb3\x9b\xb3\x56"
        "\xe4\xf6\x39\x67\x72\x76\x72\xae\xe6\x5c\xcb\xb9\x9e\xb3\x9b\xb3\x76"
        "\x20\xb7\xcf\x39\x93\xb3\x93\x73\x35\xe7\x5a\xce\xf5\x9c\xdd\x9c\xb5"
        "\xa1\xdc\x3e\xe7\x4c\xce\x4e\xce\xd5\x9c\x6b\x39\xd7\x73\x76\x87\xf6"
        "\x71\xb8\x00\x00\x00\x00\x00\x00\x00\x60\x1b\x87\xa2\x88\xaf\x47\x8a"
        "\xa7\x7e\xe9\xb5\xea\xbe\xe2\xa8\xee\x4b\xff\xe4\xe4\xa9\x97\x4f\xfc"
        "\xfa\xe0\x3d\xe3\x8f\xed\xf0\x3c\x65\xed\x89\x88\x58\x2b\x6e\xed\x9e"
        "\xdc\x83\xf9\xd6\xe1\x99\x34\x93\xd2\x3e\xdd\x43\x4c\xef\xfe\xbf\x3f"
        "\xc8\xf7\xff\xfd\xe1\x7e\x6f\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\xb0\xaf\x8a\x28\xe2\xc9\x48\xf1\xda\xf7\xbb\x29\x52\x44\xd4"
        "\x23\x5e\x8d\x5e\x5e\x1b\xd9\xef\xad\x03\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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        "\xd1\x54\xc4\x7b\x91\xe2\xcf\xbf\x32\x5a\xfd\xbc\x5e\x44\xfc\x76\x44"
        "\x7c\xb0\xf1\xc1\x46\x44\x5c\xfb\x60\xe3\x4e\xdb\xef\x3d\x06\x00\x00"
        "\x00\x00\x00\x00\x80\x07\x50\x2a\xe2\xf5\x48\xf1\xe4\xcb\xdd\x54\x8b"
        "\x88\xab\xb5\x77\x46\x1e\x3a\x5a\x9b\x3c\x35\xfe\xca\x91\x03\x71\x20"
        "\x52\x59\x32\x58\xff\xd2\xec\xd9\xd3\xf5\x17\x16\x2f\x77\x96\x9a\xcb"
        "\xcb\xcd\xf9\xfa\x5c\xbb\x75\x7e\x71\xbe\x79\xab\x2f\x37\x7a\xa6\xd5"
        "\xbe\x72\x75\x6e\x6a\x7a\x4f\x76\x66\x47\x87\xf6\x78\xfb\x0f\x8d\xbe"
        "\xb0\xd8\x79\x7d\xa9\x75\xf1\x77\x57\xb6\x7d\xfc\xf0\xe8\xe9\x73\xcb"
        "\x2b\x4b\x8d\xf3\xdb\x3f\x1c\x87\xa2\x88\xa8\x0f\xae\x39\x5e\x6d\xf0"
        "\xdc\xd4\x74\xb5\xd1\x0b\xad\x46\xbb\x6a\x3a\x93\x6e\x75\x8b\x01\x00"
        "\x00\x00\x00\x00\x00\xf8\x38\x18\x4e\x45\x7c\x10\x29\xde\xfa\x9b\xb7"
        "\x37\xe7\x9d\x87\x7a\x73\xfe\x43\x37\xd6\x7e\xf7\x4b\x11\x45\x5e\x9e"
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        "\xc9\x53\xbf\x31\xf1\x99\xc1\xe5\x6d\xa7\xac\x8f\x57\x13\xea\xf5\xb9"
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        "\x33\xa0\x1c\xff\x95\x48\xf1\xc7\x7f\x59\x4f\x4f\xe4\x75\xd7\x8f\xff"
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        "\xbf\xd0\x5a\x68\x8e\x95\xb5\x57\x23\xc5\x3f\x5e\xb9\xbe\xf6\xa9\x5c"
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        "\x77\xd6\x36\xfb\x26\x8f\x7f\x1e\x81\xad\x51\x1b\x1c\xff\xcf\xdc\xf8"
        "\xee\xb8\xbd\xf1\xdf\xf1\xef\xff\xc3\x03\xeb\x6a\xf9\x75\x7f\xfe\xce"
        "\xec\x3a\x11\xb1\xfc\xfa\x1b\x97\x1a\x0b\x0b\xcd\x25\x0b\x16\x2c\x58"
        "\xd8\x5c\xd8\xef\x23\x13\x77\x43\x79\xfe\xff\x7a\xa4\xf8\x87\x3f\xfb"
        "\xd7\xcd\xeb\x9d\x7c\xfe\xff\x99\xde\x4f\x5b\xd7\x7f\xef\x7f\x73\xeb"
        "\xfc\x3f\x79\xe3\x13\xed\xd1\xf9\xff\x53\x03\xeb\x26\xf3\xd5\xc8\xf0"
        "\x50\xc4\xe8\xca\xe5\xce\xf0\xa3\x11\xa3\xcb\xaf\xbf\xf1\x85\xd6\xe5"
        "\xc6\xc5\xe6\xc5\x66\xfb\xe4\xa9\xe7\x9e\x99\x18\x7b\x6e\x7c\xec\xe4"
        "\xf0\xc1\xfe\xc5\xdd\xd6\xd2\xae\xfb\xea\x41\x54\x8e\xff\xef\x45\x8a"
        "\xef\xfd\xe8\x6f\xe3\x73\x79\xdd\xf5\xd7\x7f\xdb\x5f\xff\x1f\xbe\xf1"
        "\x89\xf6\x68\xfc\x1f\x19\x58\x77\xf8\xba\xeb\x95\x5d\xef\x3a\x79\xfc"
        "\xff\x2f\x52\xfc\xf3\xd4\x0f\xe2\x58\x5e\xf7\x51\xd7\xff\xfd\xdf\xff"
        "\x8f\xe5\x8b\xf0\xcd\xeb\xf3\x3d\x1a\xff\x23\x03\xeb\xaa\xdf\xf1\x3e"
        "\x11\xf1\x0b\x03\xeb\x8e\x1d\x89\x78\xe0\x7e\x29\x03\x00\x00\x80\x3b"
        "\x2c\xa5\x22\x7e\x90\xe7\x53\xc7\x76\x98\x4f\xfd\xa7\x48\xf1\xc6\x7f"
        "\xff\x62\xae\x4b\x47\xcb\xba\xe7\xf3\xe3\xb5\xea\xbf\xa3\x2f\x2e\xb6"
        "\xbf\x70\x7a\x61\x61\xf1\x7c\x63\xa5\x71\x6e\xa1\x59\x9f\xed\x34\xce"
        "\x37\xcb\xb6\x3f\x8e\x14\xdd\xbf\x7e\x3c\xb7\x2d\xaa\xf9\xd5\xfe\x7c"
        "\x73\x6f\x8e\x77\x6b\x2e\xf6\x5f\x22\xc5\x73\xbf\xd6\xaf\xed\xcd\xc5"
        "\xf6\x3f\x9b\x7a\x64\xab\x76\xbc\xac\x3d\x11\x29\xfe\xe4\xc5\xeb\x6b"
        "\xfb\x9f\x63\x1c\xd9\xaa\x9d\x28\x6b\xff\x2d\x52\x8c\xbf\xb2\x7d\xed"
        "\xd1\xad\xda\x93\x65\xed\x7f\x45\x8a\xf7\xff\xa2\xde\xaf\x3d\x5c\xd6"
        "\x7e\x29\xd7\x3e\xba\x55\x7b\xe2\xfc\xe2\xc2\xfc\x1e\x0c\x0b\x00\x00"
        "\x00\x00\x00\xec\xca\x70\x2a\xe2\x99\x48\xf1\xf7\x27\x87\x52\xff\xf3"
        "\xed\x5b\xf9\xfe\xe7\x4d\x1f\x7a\xef\xd1\xf7\xff\x1e\x1d\x58\x37\x7f"
        "\x97\xee\x57\xd9\x75\xa7\x02\xc0\x3d\xae\x3c\xff\x1f\x2b\xcf\xea\xbf"
        "\xfc\x57\x9b\x73\xf9\xd7\x9f\xff\xb7\xfe\x3f\x00\x83\xe7\xff\x1b\x0d"
        "\xfe\xbb\x01\x1f\xb6\x7c\x3b\xe7\xff\xda\x9d\xd9\x4d\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x8f\x9d"
        "\x14\x45\x2c\x46\x8a\x6f\x3c\xde\x4d\xd7\x46\xca\x9f\x7b\x46\xcf\xb4"
        "\xda\x57\xae\xce\x4d\x4d\x6f\xdf\xec\x50\xaa\x5a\x1e\xa8\xea\xcb\x3f"
        "\xa3\xe3\x13\x27\xbf\xf8\xf4\x33\xa7\x9e\xed\xe7\x47\xb7\xbf\xd3\x3e"
        "\x1d\x2f\xcd\x9e\x3d\x5d\x7f\x61\xf1\x72\x67\xa9\xb9\xbc\xdc\x9c\xaf"
        "\xcf\xb5\x5b\xe7\x17\xe7\x9b\xb7\xfc\x0c\xbb\x6d\x7f\xa3\xe3\x55\x07"
        "\xd4\x2f\x5f\xba\x32\x7f\xe1\xc2\x72\x7d\xe2\xc4\xc9\xeb\x1e\xbe\x5a"
        "\x7b\x67\xe4\xa1\xa3\xb5\xc9\x53\xe3\xaf\x1c\xe9\xd7\xce\x4d\x4d\x4f"
        "\xcf\x0e\xd4\x0c\x0d\xdf\xf6\xab\xdf\x24\x7d\xc8\xfa\x83\x51\xc4\xff"
        "\x46\x8a\x4b\x6f\xbf\x9b\xfe\x7d\x24\xa2\x88\xdd\xf7\xc5\x0e\xef\x9d"
        "\xbd\x76\xa8\xda\x89\xe3\xd5\x4e\xcc\x4d\x4d\x57\x3b\xb2\xd0\x6a\xb4"
        "\x57\xca\x07\x67\xfa\x1d\x51\x44\xd4\x06\x1a\x3d\xdf\xef\xa3\xbb\x30"
        "\x16\xbb\x52\x8f\x78\xb3\xdc\xfc\x72\x83\x8f\x97\xbb\x37\xdb\x69\x2c"
        "\x35\xce\x2d\x34\xeb\x33\x8d\xa5\x95\xd6\x4a\x6b\xb1\x3d\x93\x7a\x5b"
        "\x9b\xaa\xf2\x22\x9e\x4d\x11\x9d\x88\xe8\x8e\xdc\xfc\x74\xc3\x51\xc4"
        "\x70\xa4\x78\xeb\x3b\xdd\xf4\xa3\x91\x88\x03\xfd\x7e\xf8\xfc\x8b\xb3"
        "\x2f\x8f\x4d\xec\xbc\x3d\xc5\x1e\xec\xe3\x2d\x18\x8a\x88\xda\x70\xc4"
        "\x7a\x71\x1f\x8c\xd9\x3d\x6c\x24\x8a\x78\x3a\x52\x7c\xfb\x5b\x63\xf1"
        "\x1f\x23\xbd\x7e\xad\xba\xed\xa9\x88\xaf\x96\x79\x34\xe2\x4a\x99\xd7"
        "\x22\x56\xcb\xfc\x6c\x44\x2a\xdf\x20\x8f\x44\xbc\xb7\xcd\xfb\x89\xfb"
        "\xcb\x50\x14\xf1\x70\xa4\xf8\xc9\x64\x37\xfd\x78\x24\x8f\x7d\x75\x5c"
        "\x39\xf3\xb5\xfa\x97\xdb\x17\x16\x07\x6a\xfb\xc7\x95\xfb\xfe\xfc\x70"
        "\x37\xdd\xe3\xc7\xa6\xd1\x28\xe2\xdd\xea\x88\xdf\x4d\xff\xe9\xef\x33"
        "\x00\x00\x00\x00\xc0\x03\xa4\x88\xc7\x22\xc5\x13\x3f\x3c\x96\xaa\xf9"
        "\xc1\xcd\x39\xc5\x56\xfb\x62\xfd\x6c\xe3\xdc\x42\xef\x63\xfd\xfe\x67"
        "\xff\xf5\xdc\x6a\x63\x63\x63\xa3\x96\x7a\x39\x96\x73\x26\x67\x27\xe7"
        "\x6a\xce\xb5\x9c\xeb\x39\xbb\x39\x6b\x45\x6e\x9f\x73\x26\x67\x27\xe7"
        "\x6a\xce\xb5\x9c\xeb\x39\xbb\x39\x6b\x07\x72\xfb\x9c\x33\x39\x3b\x39"
        "\x57\x73\xae\xe5\x5c\xcf\xd9\xcd\x59\x1b\xca\xed\x73\xce\xe4\xec\xe4"
        "\x5c\xcd\xb9\x96\x73\x3d\x67\x77\x68\x3f\xc7\x0b\x00\x00\x00\x00\x00"
        "\x00\x60\x7b\x45\x14\xf1\xb9\x48\xf1\xda\xf7\xbb\x69\x63\xa4\x37\xc1"
        "\xfb\x6a\xf4\xf2\x9a\xfb\x81\x1e\x78\xff\x1f\x00\x00\xff\xff\x86\x79"
        "\x5b\x0c",
        3062);
    syz_mount_image(
        /*fs=*/0x20000c00, /*dir=*/0x20000180,
        /*flags=MS_SYNCHRONOUS|MS_RELATIME|MS_NOATIME|MS_MANDLOCK*/ 0x200450,
        /*opts=*/0x200003c0, /*chdir=*/1, /*size=*/0xbf6, /*img=*/0x200018c0);
    break;
  case 1:
    memcpy((void*)0x20000080, "memory.events.local\000", 20);
    res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000080ul,
                  /*flags=*/0x275aul, /*mode=*/0ul);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    memcpy((void*)0x20003a80, "#! ", 3);
    *(uint8_t*)0x20003a83 = 0xa;
    syscall(__NR_write, /*fd=*/r[0], /*data=*/0x20003a80ul,
            /*len=*/0x208e24bul);
    break;
  case 3:
    syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0xb36000ul,
            /*prot=PROT_WRITE*/ 2ul,
            /*flags=MAP_STACK|MAP_POPULATE|MAP_FIXED|MAP_SHARED*/ 0x28011ul,
            /*fd=*/r[0], /*offset=*/0ul);
    break;
  case 4:
    syscall(__NR_ftruncate, /*fd=*/r[0], /*len=*/7ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*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=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}