// https://syzkaller.appspot.com/bug?id=0b1ac5e39c478b05355e189451b5379dc925fd2e
// 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 <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/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;
}

struct fs_image_segment {
  void* data;
  uintptr_t size;
  uintptr_t offset;
};
static int setup_loop_device(long unsigned size, long unsigned nsegs,
                             struct fs_image_segment* segs,
                             const char* loopname, int* memfd_p, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (ftruncate(memfd, size)) {
    err = errno;
    goto error_close_memfd;
  }
  for (size_t i = 0; i < nsegs; i++) {
    if (pwrite(memfd, segs[i].data, segs[i].size, segs[i].offset) < 0) {
    }
  }
  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;
    }
  }
  *memfd_p = 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 unsigned long size,
                            volatile unsigned long nsegs,
                            volatile long segments, volatile long flags,
                            volatile long optsarg, volatile long change_dir)
{
  struct fs_image_segment* segs = (struct fs_image_segment*)segments;
  int res = -1, err = 0, loopfd = -1, memfd = -1, need_loop_device = !!segs;
  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(size, nsegs, segs, loopname, &memfd, &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) {
    if (strstr(opts, "errors=panic") || strstr(opts, "errors=remount-ro") == 0)
      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);
    close(memfd);
  }
  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 < 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);
      if (call == 2)
        break;
      event_timedwait(&th->done, 50 + (call == 0 ? 50 : 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);
  }
}

void execute_call(int call)
{
  switch (call) {
  case 0:
    memcpy((void*)0x20000000, "vfat\000", 5);
    memcpy((void*)0x20000080, "./file0\000", 8);
    *(uint64_t*)0x20000440 = 0x20000180;
    memcpy((void*)0x20000180,
           "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x90\xe6\xb1\x00\x08\x01\x01\x00"
           "\x04\x40\x00\x20\x00\xf8\x01\x00\x10\x00\x02\x00\x03\x00\x00\x00"
           "\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x19\x7d\x92\xd6\xcb\xe5\xd9\x15\x00"
           "\x7b\xf7\xd7\xef\xdf\x73\x0c\x3d\x67\xac\x38\x9a\x1c\xda\x44\x0a"
           "\x25\xe1\xc3\x0c\x10\xfc\xd6\xdc",
           88);
    *(uint64_t*)0x20000448 = 0x58;
    *(uint64_t*)0x20000450 = 0;
    *(uint64_t*)0x20000458 = 0x200004c0;
    memcpy(
        (void*)0x200004c0,
        "\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x08\x00\x00\x07\x60\x2c"
        "\x55\x2c\x55\x00\x00\x15\x60\x2c\x55\x00\x00\x00\x00\x00\x00\x41\x66"
        "\x00\x69\x00\x6c\x00\x65\x00\x30\x80\x0f\x00\xfc\x00\x01\x00\xff\xff"
        "\xff\xff\xff\xff\xff\xff\xff\x00\x00\xff\xdf\xf2\xff\x46\x49\x4c\x45"
        "\x30\x20\x20\x20\x20\x20\x20\x10\x00\x7f\x15\x60\x2c\x55\x2c\x55\x00"
        "\x00\x15\x60\x2c\x55\x03\x00\x00\x00\x00\x00\x6f\x7a\x00\x69\x00\x6c"
        "\x00\x65\x00\x31\x00\x0f\x00\x10\x00\x00\xff\xff\xff\xff\xff\xff\xff"
        "\xe6\x46\x49\x4c\x45\x31\x20\x20\x20\x20\x00\x7f\x15\x60\x2c\x55\x2c"
        "\x55\x00\x00\x15\x60\x2c\x01\x00\x00\x00\x00\x00\x00\xae\x42\x00\x69"
        "\x00\x6c\x00\x65\x00\x32\x00\x0f\x00\x14\x00\x00\xff\xff\xff\xff\xff"
        "\xff\xff\xff\xff\xff\x00\x00\xff\xff\xff\xff\x46\x49\x4c\x45\x32\x20"
        "\x20\x20\x20\x20\x20\x20\x00\x7f\x15\x60\x2c\x85\x32\xe7\xf4\x7a\xb7"
        "\x6b\xcb\x55\x06\x00\x28\x23\x00\x00\x41\x66\x00\x69\x00\x6c\x00\x65"
        "\x00\x3e\x00\x0f\xd2\xd2\x63\x00\x6f\x00\x6c\x00\x64\x00\x00\x00\xff"
        "\xff\x00\x00\xff\xff\xff\xff\x46\x49\x4c\x45\x7e\x31\x20\x20\x43\x4f"
        "\x4c\x20\x00\x7f\x15\x60\x2c\x55\x2c\x55\x00\x00\x15\x60\x2c\x55\x0b"
        "\x7f\xb3\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xcc"
        "\x19\x14\x59\x4e\xad\x9c\xcb\x47\x69\xa3\xd4\x16\x9f\x87\xf3\x19\x30"
        "\xb0\xa5\x2d\xa1\x74\x14\xbe\x0a\x1b\x27\x33\xa3\xdd\x1b\x8e\x4f\xee"
        "\xa2\x33\xbc\xa2\x86\x56\x04\x14\x7c\x58\xbc\x24\x5d\x00\x39\x9f\xd1"
        "\x06\xed\x56\x68\xca\xd4\xf5\xbf\x66\xbb\x1e\x8b\x0a\xdf\x8a\xc2\xf5"
        "\x14\x57\x2e\xba\x10\x56\xcf\x86\x1b\x1b\x5f\x3c\x77\xf9\xf2\x7e\x61"
        "\x22\xa2\x48\xe8\x7c\xa8\x7c\x58\x61\xa0\x50\x5b\x3f\xff\xd8\x64\x8d"
        "\xd7\xa9\x96\x78\xd1\x2d\x6c\xaf\xb0\x4a\xd5\xd6\xac\x08\x86\xd8\xf8"
        "\x18\xb7\x55\xcc\x84\x3d\x40\xe0\x95\xd1\x74\x11\xca\x66\x67\x14\x81"
        "\x4a\x24\x6a\x7d\x31\x6c\xbf\x3e\x40\x24\xeb\xcd\x62\xae\xc2\xa1\xfd"
        "\xac\x43\xa5\x24\x61\x4b\xad\xf8\x0c\x63\x8e\xd9\x92\x20\x62\x0f\x0a"
        "\x4b\xa0\x67\x03\xfc\x6f\xf8\x85\xd1\x4a\xbb\x02\xb7\x02\xac\x0b\x6e"
        "\xcf\x15\xd1\xd5\x91\x61\xe3\x74\x78\x21\xb2\xef\x23\x50\xbc\x29\xc6"
        "\x97\xce\x57\x37\xfd\xa5\x74\x02\x00\x16\xa3\xdd\x75\x2d\x96\x53\xb5"
        "\x05\x34\x8e\x85\xf4\x83\x1b\x52\xef\x2f\x81\x74\x32\xca\x74\xa3\xe1"
        "\x9f\x49\x3d\x7b\x46\xa0\x6f\xb6\xda\x92\xc8\x90\x30\xa3\xc8\x06\xe1"
        "\x26\x02\x01\x97\x95\x00\x62\x4e\x5f\x82\x5f\x34\x73\x4e\x76\x61\x0b"
        "\xd1\xba\xcb\xcb\xf3\x69\x90\x24\x74\xd7\x25\x0f\xd6\xc4\x05\x6e\x34"
        "\xa9\x29\x1c\x11\x9d\x3f\xcb\x63\x72\x32\x71\xc3\x61\x0a\x28\xb8\x9e"
        "\x68\x26\x6e\x52\x20\x63\x15\x6e\x2e\x4c\x3e\xeb\xcc\xb6\xa8\xe9\x02"
        "\x10\xd2\x2d\x32\x11\xe4\xc0\xe8\xf8\xfc\x32\xbf\x59\x22\x4b\x68\x69"
        "\xcd\xb3\xc6\x4f\xf7\x65\xfb\xdb\x48\x42\x64\xd5\x6d\xda\xd9\x60\x9e"
        "\xa1\x2c\x6a\x8c\xcd\x7c\x05\x73\xdd\xc2\xdb\x2a\xe3\x95\x8b\x23\xa0"
        "\x31\x06\x10\x18\x11\xeb\x65\x46\x50\xc8\x57\xca\xb5\xd1\x75\x15\x93"
        "\x29\x67\xa7\xc8\x4d\xf8\xbd\x46\xc2\x00\x4c\x18\x0b\x0a\x05\x71\xfb"
        "\x66\xd8\x49\x6e\xd1\x36\x23\x1c\xb6\x12\x7d\x0a\xc9\x28\x4a\x16\x19"
        "\x46\x03\x90\xe1\xb2\x95\x3b\xee\xb0\xbb\x15\xe3\xe7\x2c\xf6\x50\x4d"
        "\x93\xcd\x69\x27\x82\xf7\xe6\xab\xb0\x17\x6c\x9e\x05\x88\x0c\x7b\x8d"
        "\x1f\x9d\x4a\x0f\x41\x2d\x01\xd5\xfe\x6a\xd5\xfc\x34\x28\x5c\x24\xfa"
        "\x6e\x44\x08\xd1\xa9\x79\x0b\x5d\xa5\xfb\x65\x38\x1c\xaa\xa0\xe4\xcf"
        "\xed\x6b\x98\x17\xf0\xf3\x33\x2f\xc0\xc1\x5a\x22\x96\xb0\xb6\xa1",
        798);
    *(uint64_t*)0x20000460 = 0x31e;
    *(uint64_t*)0x20000468 = 0x2800;
    *(uint64_t*)0x20000470 = 0x20000140;
    memcpy((void*)0x20000140, "\x00\xba\x1f\x9d\xf7\x25\x7e\xb9\x87", 9);
    *(uint64_t*)0x20000478 = 9;
    *(uint64_t*)0x20000480 = 0x4000;
    *(uint64_t*)0x20000488 = 0x20000100;
    memcpy((void*)0x20000100,
           "\xf8\xff\x07\x00\xf0\xff\x4f\xc4\xfe\x26\x80\x00\x09\xa0\x00\xc8"
           "\xa6\x00",
           18);
    *(uint64_t*)0x20000490 = 0x12;
    *(uint64_t*)0x20000498 = 0x4009;
    *(uint64_t*)0x200004a0 = 0x200009c0;
    memcpy(
        (void*)0x200009c0,
        "\x73\xc0\xd2\x8b\xde\xef\xe2\x35\x25\x97\x75\xdb\xad\x79\x7a\x6b\x61"
        "\x6c\x6c\x65\x72\x73\x79\x7a\x6b\x61\x6c\xec\x65\x72\x65\x72\x73\x79"
        "\x7a\x6b\x61\x6c\x6c\x65\x6a\x73\x79\x7a\x6b\x61\x6c\x6c\x65\x72\x73"
        "\x79\x7a\x6b\xb6\x6c\x65\x72\x73\x79\x7a\x6b\x61\x6c\x6c\x65\x72\x53"
        "\x79\x7a\x6b\x61\x6c\x6c\x65\x72\x73\xee\x82\xc1\x1b\x5a\x79\x7a\x6b"
        "\x61\x6c\x6c\x65\x72\x73\x79\x7a\x6b\x62\x6c\x6c\xdf\xd0\x57\x65\x72"
        "\x73\x00\x00\x08\x00\x00\x00\x00\x00\x00\x0d\x6b\x06\x94\x7c\xb3\x42"
        "\x9c\xac\xcf\x7b\x04\xc1\x5b\xf7\x99\xae\x00\x29\x46\xee\x83\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\xfa\xdc\xe0\x63\x2c"
        "\xc3\xa2\xd1\x2b\xd4\xa1\x59\xde\xed\x7f\xbf\xb7\x2f\x6e\x54\x87\xea"
        "\xe6\xa9\x60\xed\xce\x55\xd5\x48\xba\x10\xd1\x36\x02\x37\x64\x1e\x2b"
        "\x8b\x58\xc5\x71\xd8\x60\x25\x50\x07\x02\x81\x65\xba\x1a\xe2\x70\x79"
        "\x77\x24\x07\x1f\xc3\xd0\xcc\x07\x3c\x7e\x13\xf7\xbb\xd2\x0e\x76\x02"
        "\x81\x9d\xe3\x39\xaf\x11\xf9\x9d\x9e\xaa\xe6\xc6\xa7\x13\x41\x5b\x83"
        "\x54\x5d\x59\xb2\x4a\xb5\xf3\x8d\x50\x24\x91\x51\x98\xba\xe4\xe0\x8b"
        "\x10\x29\xbc\x01\x1b\xa4\xf9\x76\x36\xbd\xc9\x88\x80\x24\x6c\xab\x8a"
        "\xfa\x98\xae\xa8\xfe\x88\xf5\x63\x9e\x7a\x17\x90\x36\x79\x28\xee\x02"
        "\x08\xd6\x15\x10\x61\x79\xd1\x36\xb4\x06\xea\x87\x0f\x32\xc2\x26\xd6",
        306);
    *(uint64_t*)0x200004a8 = 0x132;
    *(uint64_t*)0x200004b0 = 0x8003;
    memcpy(
        (void*)0x20001300,
        "\x6e\x66\x73\x2c\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e"
        "\x75\x65\x2c\x73\x68\x6f\x72\x74\x6e\x61\x6d\x65\x3d\x77\x69\x6e\x6e"
        "\x74\x2c\x00\xa0\xc3\x39\xe3\xdc\xf0\x0a\x1e\x54\x16\x00\x69\x46\x43"
        "\x9d\x2f\x70\x86\x02\x8d\x0e\xaf\xb4\xf9\xea\xd6\x48\xa7\x29\x6f\xd6"
        "\x31\x81\xf7\xe1\x2f\xd9\x02\x84\xec\xcb\x6e\x00\xa6\x07\xf0\x00\x00"
        "\x09\x00\x00\xb0\x7b\x7b\x29\x00\x00\x00\x00\x00\x20\x6d\xdf\x4d\xce"
        "\xb8\xca\x36\xed\xab\x63\x70\x31\xb6\xfe\x1a\x7b\x91\x65\xb3\x0c\x37"
        "\x8b\x67\xbf\x60\xc4\x81\xe6\x74\x30\x3c\x23\x7d\x20\xcb\x8e\x33\xb7"
        "\x9d\xda\xe8\xae\x65\xc6\x94\x3b\xab\x01\x66\xd7\x51\xa8\x7e\x3e\xbe"
        "\x15\x68\xec\x42\x84\x5c\x0a\xe6\x7d\x9d\xb4\x02\xa6\x66\xbc\xbe\xc5"
        "\xf6\xfa\x4e\x67\xed\xf1\xf1\x3c\xd6\x32\x54\xc0\x77\x07\xc2\xd5\xe3"
        "\x9b\xd3\xcb\x6a\xe2\x60\x3b\xe9\x02\x81\x0b\xbe\xeb\xec\xa3\xca\x29"
        "\xa4\xd4\x82\xb6\xc3\x46\x99\x13\x0f\x47\xcc\x27\xdc\x3f\xaf\xb3\x7a"
        "\x8b\xb5\x46\x97\x4a\x55\xfa\x2f\xf1\x5a\x55\xe6\x9d\x09\xaa\xb7\xda"
        "\x46\x5e\xdd\x83\x4d\x70\xec\x52\xa2\x0e\xdc\xf1\x1a\x19\x39\x3f\x27"
        "\xcf\x28\x93\x18\xde\x35\x54\xf8\x26\x44\x43\x9c\x4c\xe6\x4d\xe3\x3b"
        "\x10\x48\x40\x40\x1d\x8f\xfe\x96\x73\x1d\xdd\xaa\x96\x78\xf9\x6c\x12"
        "\x74\x31\x9e\x13\xa6\x20\xfe\x84\x5c\x24\xc7\x2c\x51\x7b\x66\x4f\xbf"
        "\x74\x5f\x32\xdf\xed\x4c\x28\x2b\x65\xaf\x46\x22\x0e\xfc\xde\xae\x6a"
        "\xb4\x76\x48\xb0\xac\xb2\xc8\x7d\x29\x5c\x88\xb3\x20\x6c\x42\x49\xab"
        "\x3f\xcc\x48\x0c\xed\x1c\xb4\x98\xe7\x82\x8c\xed\xe2\xe5\x7c\x61\x60"
        "\xf5\x20\xea\x96",
        361);
    syz_mount_image(0x20000000, 0x20000080, 0x8135, 5, 0x20000440, 0x8010,
                    0x20001300, 1);
    break;
  case 1:
    memcpy((void*)0x20000240, "./file1\000", 8);
    syscall(__NR_mkdir, 0x20000240ul, 0ul);
    break;
  case 2:
    memcpy((void*)0x20000040, "./file1/file0\000", 14);
    syscall(__NR_mkdir, 0x20000040ul, 0ul);
    {
      int i;
      for (i = 0; i < 64; i++) {
        syscall(__NR_mkdir, 0x20000040ul, 0ul);
      }
    }
    break;
  case 3:
    memcpy((void*)0x20000300, "./file0/file0\000", 14);
    syscall(__NR_rmdir, 0x20000300ul);
    {
      int i;
      for (i = 0; i < 64; i++) {
        syscall(__NR_rmdir, 0x20000300ul);
      }
    }
    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);
  use_temporary_dir();
  loop();
  return 0;
}