// https://syzkaller.appspot.com/bug?id=63cf7554d39f69790507bbed263abd46873649fb
// 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");
  } else if (strncmp(fs, "gfs2", 4) == 0 &&
             (strstr(opts, "errors=panic") || strstr(opts, "debug"))) {
    strcat(opts, ",errors=withdraw");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

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

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;

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

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

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

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

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

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

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

static void execute_one(void)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  int i, call, thread;
  for (call = 0; call < 12; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      event_timedwait(&th->done, 50 + (call == 0 ? 4000 : 0));
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

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

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    //  syz_mount_image$udf arguments: [
    //    fs: ptr[in, buffer] {
    //      buffer: {75 64 66 00} (length 0x4)
    //    }
    //    dir: ptr[in, buffer] {
    //      buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
    //    }
    //    flags: mount_flags = 0x0 (8 bytes)
    //    opts: ptr[inout, array[ANYUNION]] {
    //      array[ANYUNION] {
    //        union ANYUNION {
    //          ANYBLOB: buffer: {6e 6f 61 64 69 6e 69 63 62 2c 6e 6f 73 74 72
    //          69 63 74 2c 6d 6f 64 65 3d 30 30 30 30 30 30 30 30 30 30 30 30
    //          30 30 30 30 30 30 30 30 30 30 34 2c 75 69 64 3d 66 6f 72 67 65
    //          74 2c 6e 6f 61 64 69 6e 69 63 62 2c 75 6d 61 73 6b 3d 30 30 30
    //          30 30 30 30 30 30 30 30 30 30 30 30 34 30 30 30 32 30 30 30 2c
    //          6c 61 73 74 62 6c 6f 63 6b 3d 30 30 30 30 30 30 30 30 30 30 30
    //          30 30 30 30 30 30 30 31 33 2c 75 6e 64 65 6c 65 74 65 2c 70 61
    //          72 74 69 74 69 6f 6e 3d 30 30 30 30 30 30 30 30 30 30 30 30 30
    //          30 30 30 30 30 30 35 2c 00} (length 0xab)
    //        }
    //      }
    //    }
    //    chdir: int8 = 0x43 (1 bytes)
    //    size: len = 0xc11 (8 bytes)
    //    img: ptr[in, buffer] {
    //      buffer: (compressed buffer with length 0xc11)
    //    }
    //  ]
    //  returns fd_dir
    memcpy((void*)0x200000000c40, "udf\000", 4);
    memcpy((void*)0x2000000000c0, "./file0\000", 8);
    memcpy((void*)0x200000000100,
           "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,"
           "noadinicb,umask=00000000000000040002000,lastblock="
           "00000000000000000013,undelete,partition=00000000000000000005,\000",
           171);
    memcpy(
        (void*)0x200000000d00,
        "\x78\x9c\xec\xdd\x5d\x68\x5c\xe9\x79\x07\xf0\xe7\x9d\x23\xad\x46\xda"
        "\x34\xd1\x66\x13\x6f\xd2\x66\xd3\x81\x94\xc4\x28\xb5\xf1\x57\x6c\x05"
        "\x97\x20\x67\x15\xb5\x01\xc7\x1b\x22\x2b\x74\xaf\xa2\xd1\x87\x9d\x61"
        "\xe5\x91\x91\xe4\xc6\x9b\xb6\x41\x6d\x49\x0b\xbd\x09\xdd\x9b\xd2\x9b"
        "\x22\x9a\x2e\x2d\xe4\xa2\x57\xdd\x5e\x56\x69\xb6\x90\x50\x0a\x25\xe4"
        "\x22\xbd\x28\x08\x9a\x2c\x7b\xd1\x0b\x5d\x04\x0a\x2d\x1b\x85\x73\xe6"
        "\x1d\x69\x64\xcb\xb6\xb2\x5e\x5b\xd2\xee\xef\xb7\xcc\xfe\xcf\x9c\x79"
        "\xce\xf8\xfd\x18\x9f\x39\x02\xbf\x3a\x01\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x44\x7c\xf6\x73\x97\x4e\x9d\x4e\x07\xdd"
        "\x0a\x00\xe0\x71\xba\x32\xf9\xa5\x53\x67\x7d\xff\x03\xc0\xbb\xca\x55"
        "\x3f\xff\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x61\x97\xa2"
        "\x88\x63\x91\x62\xe8\xd5\xcd\x34\x5d\x3d\xef\xa8\x5f\x6e\xb5\x6f\xdd"
        "\x9e\x1a\x9f\xd8\xfb\xb0\xc1\x14\x29\x6a\x51\x54\xf5\xe5\xa3\x7e\xfa"
        "\xcc\xd9\x73\x9f\x3a\x7f\x61\xb4\x9b\xf7\x3f\xfe\xed\xf6\xe1\x78\x7e"
        "\xf2\xea\xa5\xc6\x73\x8b\x37\x6e\x2e\xcd\x2f\x2f\xcf\xcf\x35\xa6\xda"
        "\xad\xd9\xc5\xb9\xf9\x7d\xbf\xc3\xc3\x1e\x7f\xa7\x91\x6a\x00\x1a\x37"
        "\x5e\xbc\x35\x77\xed\xda\x72\xe3\xcc\xc9\xb3\xbb\x5e\xbe\x3d\xfc\xfa"
        "\xc0\x93\xc7\x86\x2f\x5e\x38\x71\x7e\xb4\x5b\x3b\x35\x3e\x31\x31\xd9"
        "\x53\xd3\xd7\xff\x96\xff\xf4\xbb\xdc\x6b\x85\xc7\x13\x51\x44\x33\x52"
        "\xbc\x39\xfc\x46\x6a\x46\x44\x2d\x1e\x7e\x2c\x1e\xf0\xd9\x79\xd4\x06"
        "\xab\x4e\x8c\x54\x9d\x98\x1a\x9f\xa8\x3a\xb2\xd0\x6a\xb6\x57\xca\x17"
        "\x53\x2d\x57\xd5\x22\x1a\x3d\x07\x8d\x75\xc7\xe8\x31\xcc\xc5\x43\x19"
        "\x8b\x58\x2d\x9b\x5f\x36\x78\xa4\xec\xde\xe4\xcd\xe6\x52\x73\x66\x61"
        "\xbe\xf1\xc5\xe6\xd2\x4a\x6b\xa5\xb5\xd8\x4e\xb5\x4e\x6b\xcb\xfe\x34"
        "\xa2\x16\xa3\x29\x62\x2d\x22\x36\x06\xee\x7e\xbb\xfe\x28\xe2\xa3\x91"
        "\xe2\xe5\x53\x9b\x69\x26\x22\x8a\xee\x38\x7c\xb2\x5a\x18\xfc\xe0\xf6"
        "\xd4\x1e\x41\x1f\xf7\xa1\x6c\x67\xa3\x3f\x62\xad\x76\x04\xe6\xec\x10"
        "\x1b\x88\x22\xae\x44\x8a\x9f\xbd\x76\x3c\x66\xcb\x31\xcb\x8f\xf8\x78"
        "\xc4\x17\xca\x7c\x35\xe2\x95\x32\x3f\x13\x91\xca\x0f\xc6\xb9\x88\x9f"
        "\xee\xf1\x39\xe2\x68\xea\x8b\x22\xfe\x3d\x52\x2c\xa6\xcd\x34\x57\x9d"
        "\x0f\xba\xe7\x95\xcb\x5f\x6e\x7c\xbe\x7d\x6d\xb1\xa7\xb6\x7b\x5e\x39"
        "\xf2\xdf\x0f\x8f\xd3\x21\x3f\x37\xd5\xa3\x88\x99\xea\x8c\xbf\x99\xde"
        "\xfa\xc5\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x6f"
        "\xb7\xc1\x28\xe2\xdb\x91\xe2\x4f\x9e\xfd\xbd\x6a\x5d\x71\x54\xeb\xd2"
        "\xdf\x77\x71\xf4\x3d\x2f\xfc\x76\xef\x9a\xf1\x67\x1e\xf0\x3e\x65\xed"
        "\xc9\x88\x58\xad\xed\x6f\x4d\x6e\x7f\x5e\x3a\x9c\x6a\xe5\x7f\x8f\xa0"
        "\x63\xec\x4b\x3d\x8a\xf8\x46\x5e\xff\xf7\x47\x07\xdd\x18\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x77\xb5\x22\x5e\x88"
        "\x14\x5f\x39\x71\x3c\xad\x45\xef\x3d\xc5\x5b\xed\xeb\x8d\xab\xcd\x99"
        "\x85\xce\x5d\x61\xbb\xf7\xfe\xed\xde\x33\x7d\x6b\x6b\x6b\xab\x91\x3a"
        "\x39\x96\x73\x3a\xe7\x6a\xce\xb5\x9c\xeb\x39\x37\x72\x46\x2d\x1f\x9f"
        "\x73\x2c\xe7\x74\xce\xd5\x9c\x6b\x39\xd7\x73\x6e\xe4\x8c\x22\x1f\x9f"
        "\x73\x2c\xe7\x74\xce\xd5\x9c\x6b\x39\xd7\x73\x6e\xe4\x8c\xbe\x7c\x7c"
        "\xce\xb1\x9c\xd3\x39\x57\x73\xae\xe5\x5c\xcf\xb9\x91\x33\x0e\xc9\xbd"
        "\x7b\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xde\x49\x6a"
        "\x51\xc4\xcf\x23\xc5\xb7\xbe\xb6\x99\x22\x45\xc4\x58\xc4\x74\x74\x72"
        "\x7d\xe0\xa0\x5b\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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"
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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"
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        "\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\x94\xea\xa9\x88\x93\x91\x62\xfd\x85\x7a\xf5\x7c\xad\x16\x71\x35"
        "\x22\x7e\xbe\xb5\xb5\xd5\x7d\x44\xc4\x66\x99\x0f\xeb\xa0\xfb\x0a\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x87\x56\x2a"
        "\xe2\x63\x91\xe2\xe9\xff\xdb\x4c\x8d\x88\xb8\x3d\xfc\xfa\xc0\x93\xc7"
        "\x86\x2f\x5e\x38\x71\x7e\xb4\x88\x22\x52\x59\xd2\x5b\xff\xfc\xe4\xd5"
        "\x4b\x8d\xe7\x16\x6f\xdc\x5c\x9a\x5f\x5e\x9e\x9f\x6b\x4c\xb5\x5b\xb3"
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        "\x67\x1e\x68\xf0\x11\xb7\x7f\xb0\xfe\xdc\xe2\xcd\x97\x96\x5a\xd7\xbf"
        "\xba\xb2\xe7\xeb\x43\xf5\x4b\x33\xcb\x2b\x4b\xcd\xd9\xbd\x5f\x8e\xc1"
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        "\x14\x3f\xf9\xaf\x73\xa9\xbb\x6e\xbc\xaf\xb3\xe6\xff\x57\x3a\xcf\x8a"
        "\xed\xda\x57\xfe\x60\xe7\x77\x01\x2c\xdc\x91\x5d\xbd\xbf\x3f\x60\x3f"
        "\xdb\x69\xbf\x0d\x1d\xa9\x16\xde\x37\xa6\xc6\x27\x26\x26\x7b\x76\xf7"
        "\xf5\xdf\x5d\x5a\xb6\x29\xa5\x22\x9e\x89\x14\x9f\x78\xf9\x43\xd5\x7a"
        "\xf8\x14\x43\x7b\xae\x8d\x2f\xeb\xde\x5b\xd6\xdd\x38\x97\xeb\x86\x7f"
        "\xad\xac\x5b\xdd\x55\x55\x1f\x99\x1a\x9f\x68\x5c\x59\x6c\x9f\xb8\xb4"
        "\xb0\xb0\x38\xdb\x5c\x69\xce\x2c\xcc\x37\x26\x6f\x36\x67\xf7\xfd\x8b"
        "\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0"
        "\x3e\x86\x52\x11\x3f\x8a\x14\xff\xf3\xf7\xff\x91\xba\xf7\x9d\xcf\xeb"
        "\xff\xfb\x3a\xcf\x7a\xd6\xff\xff\x56\xb5\x84\xbe\x52\x4f\xbb\x73\x5b"
        "\xb5\xb6\xff\xbd\xd5\xda\xfe\xce\xf6\xfb\x2e\x8e\x0e\x7d\xf4\xd9\x7b"
        "\xed\x7f\x14\xeb\xff\xcb\x36\xa5\x54\xc4\x37\x23\xc5\xd9\x1f\x7d\xa8"
        "\xba\x9f\x7e\x77\xfd\xff\xf4\x1d\xb5\x65\xdd\x9f\x45\x8a\x37\x9e\xfd"
        "\x48\xae\xab\x3d\x51\xd6\x35\xbb\xdd\xe9\xbc\xe3\xb5\xd6\xc2\xfc\xa9"
        "\xb2\xf6\xaf\x23\xc5\xaf\xbf\xd9\xad\x8d\xaa\xf6\x7a\xae\x7d\x7a\xa7"
        "\xf6\x74\x59\x3b\x18\x29\xfe\x72\x73\x77\xed\x57\x73\xed\x07\x76\x6a"
        "\xcf\x94\xb5\xc7\x23\xc5\xf7\xfe\x7b\xef\xda\x0f\xee\xd4\x9e\x2d\x6b"
        "\x7f\x12\x29\xfe\xe9\xef\x1a\xdd\xda\xa1\xb2\xf6\xf7\x73\xed\xb1\x9d"
        "\xda\x93\xb3\x8b\x0b\x73\x0f\x1a\xd6\x72\xfe\xbf\x13\x29\xfe\xf6\xca"
        "\xef\xa4\x6e\x9f\xef\x39\xff\x3d\xbf\xff\x61\xf5\x8e\xdc\x76\xd7\x9c"
        "\xdf\x7f\xfb\xed\x9a\xff\xe1\x9e\x7d\xab\x79\x5e\xff\x34\xcf\x7f\xf3"
        "\x01\xf3\x7f\x3e\x52\x7c\xa7\xfe\x91\x5c\xd7\x19\xfb\x99\xfc\xfa\x53"
        "\xd5\xff\x77\xe6\xff\x13\x91\xe2\x3f\xff\x6d\x77\xed\xb5\x5c\xfb\xfe"
        "\x9d\xda\xd3\xfb\xed\xd6\x41\x2b\xe7\xff\xdb\x91\xe2\xbb\x7f\xf5\xe3"
        "\xed\x3e\xe7\xf9\xcf\x23\xbb\x33\x43\xbd\xf3\xff\xab\x7d\xbb\x73\xfb"
        "\x53\x72\x40\xf3\xff\x54\xcf\xbe\xe1\xdc\xae\xd9\x5f\x72\x2c\xde\x8d"
        "\x96\x5f\xfa\xfa\x8b\xcd\x85\x85\xf9\x25\x1b\x36\x6c\xd8\xd8\xde\x38"
        "\xe8\x33\x13\x8f\x43\xf9\xfd\xff\xe7\x91\xe2\xff\x8f\x15\xa9\x7b\x1d"
        "\x93\xbf\xff\xdf\xd3\x79\xb6\x73\xfd\xf7\xbf\xdf\xd8\xf9\xfe\xbf\x78"
        "\x47\x6e\x3b\xa0\xef\xff\xf7\xf7\xec\xbb\x98\xaf\x5a\xfa\xfb\x22\xea"
        "\x2b\x37\x6e\xf6\x3f\x13\x51\x5f\x7e\xe9\xeb\x27\x5a\x37\x9a\xd7\xe7"
        "\xaf\xcf\xb7\xcf\x9c\x3e\xf5\xe9\x4f\x9f\x3f\x7d\xea\xf4\xf9\xfe\x27"
        "\xba\x17\x77\x3b\x5b\xfb\x1e\xbb\x77\x82\x72\xfe\x7f\x10\x29\x7e\xf8"
        "\x0f\x3f\xdc\xfe\x39\x66\xf7\xf5\xdf\xde\xd7\xff\x43\x77\xe4\xb6\x03"
        "\x9a\xff\xa7\x7b\xfb\xb4\xeb\xba\x66\xdf\x43\xf1\xae\x54\xce\xff\xdf"
        "\x44\x8a\xa7\x3e\xfb\xe3\xed\x9f\x37\xef\x77\xfd\xdf\xfd\xf9\xff\xf8"
        "\xc7\x76\xe7\xf6\xdf\xbf\x03\x9a\xff\x0f\xf4\xec\x1b\xce\xed\x6a\xfd"
        "\x92\x63\x01\x00\x00\x00\x00\x00\x00\x00\x00\x70\x94\x0c\xa5\x22\xfe"
        "\x22\x52\xfc\xee\x1f\xff\x66\xea\xae\x21\xda\xcf\xbf\xff\x9b\xbb\x23"
        "\xb7\x1d\xd0\xbf\xff\x3a\xd6\xb3\x6f\xee\x31\xad\x6b\xd8\xf7\x20\x03"
        "\x00\x1c\x22\xe5\xf5\xdf\x07\x23\xc5\x3f\x6f\x7d\x7f\x7b\x2d\xf7\xee"
        "\xeb\xbf\xf8\x8d\x6e\x6d\xef\xf5\xdf\xbd\x1c\x86\xfb\xff\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x51\x97\xa2\x88\x3f"
        "\x8c\x14\x43\xaf\x6e\xa6\xf5\x81\xf2\x79\x47\xfd\x72\xab\x7d\xeb\xf6"
        "\xd4\xf8\xc4\xde\x87\x0d\xa6\x48\x51\x8b\xa2\xaa\x2f\x1f\xf5\xd3\x67"
        "\xce\x9e\xfb\xd4\xf9\x0b\xa3\xdd\xbc\xff\xf1\x6f\xb7\x0f\xc7\xf3\x93"
        "\x57\x2f\x35\x9e\x5b\xbc\x71\x73\x69\x7e\x79\x79\x7e\xae\x31\xd5\x6e"
        "\xcd\x2e\xce\xcd\xef\xfb\x1d\x1e\xf6\xf8\x3b\x8d\x54\x03\xd0\xb8\xf1"
        "\xe2\xad\xb9\x6b\xd7\x96\x1b\x67\x4e\x9e\xdd\xf5\xf2\xed\xe1\xd7\x07"
        "\x9e\x3c\x36\x7c\xf1\xc2\x89\xf3\xa3\xdd\xda\xa9\xf1\x89\x89\xc9\x9e"
        "\x9a\xbe\xfe\xb7\xfc\xa7\xdf\x25\xdd\x63\xff\x13\x51\xc4\xf7\x23\xc5"
        "\x9b\xc3\x6f\xa4\xef\x0e\x44\xd4\xe2\xe1\xc7\xe2\x01\x9f\x9d\x47\x6d"
        "\xb0\xea\xc4\x48\xd5\x89\xa9\xf1\x89\xaa\x23\x0b\xad\x66\x7b\xa5\x7c"
        "\x31\xd5\x72\x55\x2d\xa2\xd1\x73\xd0\x58\x77\x8c\x1e\xc3\x5c\x3c\x94"
        "\xb1\x88\xd5\xb2\xf9\x65\x83\x47\xca\xee\x4d\xde\x6c\x2e\x35\x67\x16"
        "\xe6\x1b\x5f\x6c\x2e\xad\xb4\x56\x5a\x8b\xed\x54\xeb\xb4\xb6\xec\x4f"
        "\x23\x6a\x31\x9a\x22\xd6\x22\x62\x63\xe0\xee\xb7\xeb\x8f\x22\xbe\x19"
        "\x29\x5e\x3e\xb5\x99\xfe\x65\x20\xa2\xe8\x8e\xc3\x27\xaf\x4c\x7e\xe9"
        "\xd4\xd9\x07\xb7\xa7\xf6\x08\xfa\xb8\x0f\x65\x3b\x1b\xfd\x11\x6b\xb5"
        "\x23\x30\x67\x87\xd8\x40\x14\xf1\x8f\x91\xe2\x67\xaf\x1d\x8f\xef\x0d"
        "\x44\xf4\x45\xe7\x11\x1f\x8f\xf8\x42\x99\xaf\x46\xbc\x52\xe6\x67\x22"
        "\x52\xf9\xc1\x38\x17\xf1\xd3\x3d\x3e\x47\x1c\x4d\x7d\x51\xc4\xb9\x48"
        "\xb1\x98\x36\xd3\x6b\x03\xe5\xf9\xa0\x7b\x5e\xb9\xfc\xe5\xc6\xe7\xdb"
        "\xd7\x16\x7b\x6a\xbb\xe7\x95\x23\xff\xfd\xf0\x38\x1d\xf2\x73\x53\x3d"
        "\x8a\xf8\x41\x75\xc6\xdf\x4c\xff\xea\xef\x35\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\xc0\x21\x52\xc4\x5a\xa4\xf8\xca\x89\xe3\xa9"
        "\x5a\x1f\xbc\xbd\xa6\xb8\xd5\xbe\xde\xb8\xda\x9c\x59\xe8\x2c\xeb\xeb"
        "\xae\xfd\xeb\xae\x99\xde\xda\xda\xda\x6a\xa4\x4e\x8e\xe5\x9c\xce\xb9"
        "\x9a\x73\x2d\xe7\x7a\xce\x8d\x9c\x51\xcb\xc7\xe7\x1c\xcb\x39\x9d\x73"
        "\x35\xe7\x5a\xce\xf5\x9c\x1b\x39\xa3\xc8\xc7\xe7\x1c\xcb\x39\x9d\x73"
        "\x35\xe7\x5a\xce\xf5\x9c\x1b\x39\xa3\x2f\x1f\x9f\x73\x2c\xe7\x74\xce"
        "\xd5\x9c\x6b\x39\xd7\x73\x6e\xe4\x8c\x43\xb2\x76\x0f\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\x67\xa9\x45\x51\xdd\xc5"
        "\xfd\x5b\x5f\xdb\x4c\x5b\x03\x9d\xfb\x4b\x4f\x47\x27\xd7\xdd\x0f\xf4"
        "\x1d\xef\x17\x01\x00\x00\xff\xff\x49\x02\x74\xf7",
        3089);
    syz_mount_image(/*fs=*/0x200000000c40, /*dir=*/0x2000000000c0, /*flags=*/0,
                    /*opts=*/0x200000000100, /*chdir=*/0x43, /*size=*/0xc11,
                    /*img=*/0x200000000d00);
    break;
  case 1:
    //  setxattr$trusted_overlay_upper arguments: [
    //    path: nil
    //    name: ptr[in, buffer] {
    //      buffer: {74 72 75 73 74 65 64 2e 6f 76 65 72 6c 61 79 2e 75 70 70 65
    //      72 00} (length 0x16)
    //    }
    //    val: nil
    //    size: len = 0x835 (8 bytes)
    //    flags: setxattr_flags = 0x0 (8 bytes)
    //  ]
    memcpy((void*)0x200000000100, "trusted.overlay.upper\000", 22);
    syscall(__NR_setxattr, /*path=*/0ul, /*name=*/0x200000000100ul, /*val=*/0ul,
            /*size=*/0x835ul, /*flags=*/0ul);
    break;
  case 2:
    //  rename arguments: [
    //    old: ptr[in, buffer] {
    //      buffer: {2e 2f 66 69 6c 65 30 2f 66 69 6c 65 30 00} (length 0xe)
    //    }
    //    new: ptr[in, buffer] {
    //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
    //    }
    //  ]
    memcpy((void*)0x200000000080, "./file0/file0\000", 14);
    memcpy((void*)0x200000000180, "./file1\000", 8);
    syscall(__NR_rename, /*old=*/0x200000000080ul, /*new=*/0x200000000180ul);
    break;
  case 3:
    //  socket$pppl2tp arguments: [
    //    domain: const = 0x18 (8 bytes)
    //    type: const = 0x1 (8 bytes)
    //    proto: const = 0x1 (4 bytes)
    //  ]
    //  returns sock_pppl2tp
    res = syscall(__NR_socket, /*domain=*/0x18ul, /*type=*/1ul, /*proto=*/1);
    if (res != -1)
      r[0] = res;
    break;
  case 4:
    //  connect$inet6 arguments: [
    //    fd: sock_in6 (resource)
    //    addr: nil
    //    addrlen: len = 0x0 (8 bytes)
    //  ]
    syscall(__NR_connect, /*fd=*/(intptr_t)-1, /*addr=*/0ul, /*addrlen=*/0ul);
    break;
  case 5:
    //  connect$pppl2tp arguments: [
    //    fd: sock_pppl2tp (resource)
    //    addr: ptr[in, sockaddr_pppl2tp] {
    //      union sockaddr_pppl2tp {
    //        pppol2tpin6: sockaddr_pppl2tp_t[pppol2tpin6_addr] {
    //          sa_family: const = 0x18 (2 bytes)
    //          sa_protocol: const = 0x1 (4 bytes)
    //          addr: pppol2tpin6_addr_t[int16] {
    //            pid: const = 0x0 (4 bytes)
    //            fd: sock (resource)
    //            s_tunnel: int16 = 0x8 (2 bytes)
    //            s_session: int16 = 0x0 (2 bytes)
    //            d_tunnel: int16 = 0x0 (2 bytes)
    //            d_session: int16 = 0x0 (2 bytes)
    //            addr: sockaddr_in6 {
    //              family: const = 0xa (2 bytes)
    //              port: int16be = 0x4e20 (2 bytes)
    //              flow: int32be = 0x0 (4 bytes)
    //              addr: union ipv6_addr {
    //                rand_addr: buffer: {20 01 00 00 00 00 00 00 00 00 00 00 00
    //                00 00 01} (length 0x10)
    //              }
    //              scope: int32 = 0x0 (4 bytes)
    //            }
    //          }
    //        }
    //      }
    //    }
    //    addrlen: len = 0x32 (8 bytes)
    //  ]
    *(uint16_t*)0x200000000240 = 0x18;
    *(uint32_t*)0x200000000242 = 1;
    *(uint32_t*)0x200000000246 = 0;
    *(uint32_t*)0x20000000024a = -1;
    *(uint16_t*)0x20000000024e = 8;
    *(uint16_t*)0x200000000250 = 0;
    *(uint16_t*)0x200000000252 = 0;
    *(uint16_t*)0x200000000254 = 0;
    *(uint16_t*)0x200000000256 = 0xa;
    *(uint16_t*)0x200000000258 = htobe16(0x4e20);
    *(uint32_t*)0x20000000025a = htobe32(0);
    memcpy((void*)0x20000000025e,
           " \001\000\000\000\000\000\000\000\000\000\000\000\000\000\001", 16);
    *(uint32_t*)0x20000000026e = 0;
    syscall(__NR_connect, /*fd=*/r[0], /*addr=*/0x200000000240ul,
            /*addrlen=*/0x32ul);
    break;
  case 6:
    //  setsockopt$inet6_IPV6_RTHDRDSTOPTS arguments: [
    //    fd: sock_in6 (resource)
    //    level: const = 0x29 (4 bytes)
    //    optname: const = 0x37 (4 bytes)
    //    optval: nil
    //    optlen: len = 0x8 (8 bytes)
    //  ]
    syscall(__NR_setsockopt, /*fd=*/(intptr_t)-1, /*level=*/0x29,
            /*optname=*/0x37, /*optval=*/0ul, /*optlen=*/8ul);
    break;
  case 7:
    //  sendto$inet6 arguments: [
    //    fd: sock_in6 (resource)
    //    buf: nil
    //    len: len = 0x0 (8 bytes)
    //    f: send_flags = 0x8 (8 bytes)
    //    addr: ptr[in, sockaddr_in6] {
    //      sockaddr_in6 {
    //        family: const = 0xa (2 bytes)
    //        port: int16be = 0x4e24 (2 bytes)
    //        flow: int32be = 0x413 (4 bytes)
    //        addr: union ipv6_addr {
    //          mcast2: ipv6_addr_multicast2 {
    //            a0: const = 0xff (1 bytes)
    //            a1: const = 0x2 (1 bytes)
    //            a2: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00} (length
    //            0xd) a3: const = 0x1 (1 bytes)
    //          }
    //        }
    //        scope: int32 = 0x5de3 (4 bytes)
    //      }
    //    }
    //    addrlen: len = 0x1c (8 bytes)
    //  ]
    *(uint16_t*)0x200000000380 = 0xa;
    *(uint16_t*)0x200000000382 = htobe16(0x4e24);
    *(uint32_t*)0x200000000384 = htobe32(0x413);
    *(uint8_t*)0x200000000388 = -1;
    *(uint8_t*)0x200000000389 = 2;
    memset((void*)0x20000000038a, 0, 13);
    *(uint8_t*)0x200000000397 = 1;
    *(uint32_t*)0x200000000398 = 0x5de3;
    syscall(__NR_sendto, /*fd=*/(intptr_t)-1, /*buf=*/0ul, /*len=*/0ul,
            /*f=*/8ul, /*addr=*/0x200000000380ul, /*addrlen=*/0x1cul);
    break;
  case 8:
    //  sendmsg$nl_generic arguments: [
    //    fd: sock_nl_generic (resource)
    //    msg: nil
    //    f: send_flags = 0x4000 (8 bytes)
    //  ]
    syscall(__NR_sendmsg, /*fd=*/(intptr_t)-1, /*msg=*/0ul,
            /*f=MSG_NOSIGNAL*/ 0x4000ul);
    break;
  case 9:
    //  openat$cgroup_ro arguments: [
    //    fd: fd_cgroup (resource)
    //    file: ptr[in, buffer] {
    //      buffer: {62 6c 6b 69 6f 2e 74 68 72 6f 74 74 6c 65 2e 69 6f 5f 73 65
    //      72 76 69 63 65 64 00} (length 0x1b)
    //    }
    //    flags: const = 0x275a (4 bytes)
    //    mode: const = 0x0 (2 bytes)
    //  ]
    //  returns fd
    memcpy((void*)0x200000000180, "blkio.throttle.io_serviced\000", 27);
    syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000180ul,
            /*flags=*/0x275a, /*mode=*/0);
    break;
  case 10:
    //  openat$cgroup_ro arguments: [
    //    fd: fd_cgroup (resource)
    //    file: nil
    //    flags: const = 0x275a (4 bytes)
    //    mode: const = 0x0 (2 bytes)
    //  ]
    //  returns fd
    res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0ul,
                  /*flags=*/0x275a, /*mode=*/0);
    if (res != -1)
      r[1] = res;
    break;
  case 11:
    //  write$binfmt_script arguments: [
    //    fd: fd_binfmt (resource)
    //    data: nil
    //    len: bytesize = 0x0 (8 bytes)
    //  ]
    syscall(__NR_write, /*fd=*/r[1], /*data=*/0ul, /*len=*/0ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  for (procid = 0; procid < 5; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}