// https://syzkaller.appspot.com/bug?id=6ff79a13ea188e28f1d76ce8093f6b3c24530a0a
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.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/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 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_RDONLY);
  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) {
    if (chdir(target) == -1) {
      err = errno;
      close(res);
      res = -1;
    }
  }

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_RDONLY);
  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")) {
  }
}

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);
  }
}

void execute_one(void)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  syz_mount_image$ext4 arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {65 78 74 34 00} (length 0x5)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x0 (8 bytes)
  //    opts: ptr[in, fs_options[ext4_options]] {
  //      fs_options[ext4_options] {
  //        elems: array[fs_opt_elem[ext4_options]] {
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              nodiscard: buffer: {6e 6f 64 69 73 63 61 72 64} (length 0x9)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              jqfmt_vfsv1: buffer: {6a 71 66 6d 74 3d 76 66 73 76 31}
  //              (length 0xb)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              mb_optimize_scan: fs_opt["mb_optimize_scan", fmt[hex,
  //              int32[0:1]]] {
  //                name: buffer: {6d 62 5f 6f 70 74 69 6d 69 7a 65 5f 73 63 61
  //                6e} (length 0x10) eq: const = 0x3d (1 bytes) val: int32 =
  //                0x1 (18 bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              dioread_nolock: buffer: {64 69 6f 72 65 61 64 5f 6e 6f 6c 6f
  //              63 6b} (length 0xe)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              grpid: buffer: {67 72 70 69 64} (length 0x5)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x571 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x571)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000080, "ext4\000", 5);
  memcpy((void*)0x200000000100, "./file1\000", 8);
  memcpy((void*)0x200000000240, "nodiscard", 9);
  *(uint8_t*)0x200000000249 = 0x2c;
  memcpy((void*)0x20000000024a, "jqfmt=vfsv1", 11);
  *(uint8_t*)0x200000000255 = 0x2c;
  memcpy((void*)0x200000000256, "mb_optimize_scan", 16);
  *(uint8_t*)0x200000000266 = 0x3d;
  sprintf((char*)0x200000000267, "0x%016llx", (long long)1);
  *(uint8_t*)0x200000000279 = 0x2c;
  memcpy((void*)0x20000000027a, "dioread_nolock", 14);
  *(uint8_t*)0x200000000288 = 0x2c;
  memcpy((void*)0x200000000289, "grpid", 5);
  *(uint8_t*)0x20000000028e = 0x2c;
  *(uint8_t*)0x20000000028f = 0;
  memcpy(
      (void*)0x200000000780,
      "\x78\x9c\xec\xdd\xcf\x8f\x1b\x57\x1d\x00\xf0\xef\xcc\xfe\x72\x93\xb4\x9b"
      "\x40\x0f\x50\x01\x09\x50\x08\x28\x8a\x9d\x75\xda\xa8\xea\xa5\xe5\x02\x42"
      "\x55\x25\x44\xc5\x01\x71\x48\x97\x5d\x67\xb5\xc4\x8e\x43\xec\x2d\xdd\x25"
      "\x52\xb7\x7f\x03\x48\x20\x71\x82\x3f\x81\x03\x12\x07\xa4\x9e\x38\x70\xe3"
      "\x88\xc4\x01\x10\xe5\x80\x54\x20\x02\x25\x48\x1c\x06\xcd\xd8\xbb\xeb\x6c"
      "\xec\xc4\x8d\xbd\x76\xb3\xfe\x7c\xa4\xc9\xbc\x99\x37\xe3\xef\x7b\xf6\xce"
      "\xbc\xe7\x67\xc7\x2f\x80\x99\x75\x2e\x22\x76\x23\x62\x31\x22\xde\x8c\x88"
      "\xe5\xee\xfe\xa4\xbb\xc4\xab\x9d\x25\x3f\xee\xee\x9d\xdb\x6b\xf7\xee\xdc"
      "\x5e\x4b\x22\xcb\xde\xf8\x67\x52\xe4\xe7\xfb\xa2\xe7\x9c\xdc\xc9\xee\x63"
      "\x96\x22\xe2\x9b\x5f\x8b\xf8\x6e\xf2\x60\xdc\xd6\xf6\xce\xf5\xd5\x7a\xbd"
      "\x76\xab\xbb\x5d\x69\x37\x6e\x56\x5a\xdb\x3b\x17\x37\x1b\xab\x1b\xb5\x8d"
      "\xda\x8d\x6a\xf5\xca\xca\x95\x4b\x2f\x5d\x7e\xb1\x3a\xb6\xba\x9e\x6d\xfc"
      "\xf2\x83\xaf\x6e\xbe\xf6\xad\xdf\xfc\xfa\xd3\xef\xff\x7e\xf7\xcb\x3f\xcc"
      "\x8b\x75\xaa\x9b\xd7\x5b\x8f\x71\xea\x54\x7d\x61\x3f\x4e\x6e\x3e\x22\x5e"
      "\x3b\x8a\x60\x53\x30\xd7\x5d\x2f\x4e\xb9\x1c\x3c\x9e\x34\x22\x3e\x16\x11"
      "\x9f\x2b\xae\xff\xe5\x98\x2b\xfe\x3a\x01\x80\xe3\x2c\xcb\x96\x23\x5b\xee"
      "\xdd\x06\x00\x8e\xbb\xb4\x18\x03\x4b\xd2\x72\x44\xa4\x69\xb7\x13\x50\xee"
      "\x8c\xe1\x3d\x1b\x27\xd2\x7a\xb3\xd5\xbe\x70\xad\xb9\x75\x63\xbd\x33\x56"
      "\x76\x3a\x16\xd2\x6b\x9b\xf5\xda\xa5\x33\x4b\x7f\xfc\x7e\x71\xf0\x42\x92"
      "\x6f\xaf\x14\x79\x45\x7e\xb1\x5d\x3d\xb4\x7d\x39\x22\xce\x44\xc4\x8f\x97"
      "\x9e\x2a\xb6\xcb\x6b\xcd\xfa\xfa\x74\xba\x3c\x00\x30\xf3\x4e\xf6\xb6\xff"
      "\x11\xf1\x9f\xa5\x34\x2d\x97\x87\x3a\xb5\xcf\xa7\x7a\x00\xc0\x13\xa3\x34"
      "\xed\x02\x00\x00\x13\xa7\xfd\x07\x80\xd9\xa3\xfd\x07\x80\xd9\x33\x44\xfb"
      "\xdf\xfd\xb0\x7f\xf7\xc8\xcb\x02\x00\x4c\x86\xf7\xff\x00\x30\x7b\xb4\xff"
      "\x00\x30\x7b\xb4\xff\x00\x30\x53\xbe\xf1\xfa\xeb\xf9\x92\xdd\xeb\xfe\xfe"
      "\xf5\xfa\x5b\xdb\x5b\xd7\x9b\x6f\x5d\x5c\xaf\xb5\xae\x97\x1b\x5b\x6b\xe5"
      "\xb5\xe6\xad\x9b\xe5\x8d\x66\x73\xa3\xf8\xcd\x9e\xc6\xa3\x1e\xaf\xde\x6c"
      "\xde\x5c\x79\x21\xb6\xde\xae\xb4\x6b\xad\x76\xa5\xb5\xbd\x73\xb5\xd1\xdc"
      "\xba\xd1\xbe\x5a\xfc\xae\xf7\xd5\xda\xc2\x44\x6a\x05\x00\x3c\xcc\x99\xb3"
      "\xef\xfd\x21\x89\x88\xdd\x97\x9f\x2a\x96\xe8\x99\xcb\x41\x5b\x0d\xc7\x5b"
      "\x3a\xc6\xa3\x80\x27\xcb\xdc\x28\x27\xeb\x20\xc0\x13\xcd\x6c\x5f\x30\xbb"
      "\x86\x6a\xc2\x8b\x4e\xc2\xef\x8e\xbc\x2c\xc0\x74\xf4\xfd\x31\xef\x52\xdf"
      "\xe4\xfd\x7e\xfa\x21\x82\xf8\x9e\x11\x7c\xa4\x9c\xff\xe4\xf0\xe3\xff\xe6"
      "\x78\x86\xe3\xc5\xc8\x3e\xcc\xae\xc7\x1b\xff\x7f\x65\xec\xe5\x00\x26\xef"
      "\xb1\xc7\xff\xff\x3c\xde\x72\x00\x93\x97\x65\xc9\xe1\x39\xff\x17\xf7\xb3"
      "\x00\x80\x63\x69\x84\xaf\xf0\x65\xef\x8c\xab\x13\x02\x4c\xd5\xa3\x26\xf3"
      "\x1e\xcb\xe7\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\xcc\x9c\x8a\x88\xef\x45\x92"
      "\x96\x8b\xb9\xc0\xd3\xfc\xdf\xb4\x5c\x8e\x78\x3a\x22\x4e\xc7\x42\x72\x6d"
      "\xb3\x5e\xbb\x14\x11\xcf\xc4\xd9\x88\x58\x58\xca\xb7\x57\xa6\x5d\x68\x00"
      "\x60\x44\xe9\xdf\x93\xee\xfc\x5f\xe7\x97\x9f\x3f\x75\x38\x77\x31\xf9\xef"
      "\x52\xb1\x8e\x88\x1f\xfc\xec\x8d\x9f\xbc\xbd\xda\x6e\xdf\x5a\xc9\xf7\xff"
      "\x6b\x7f\xff\xd2\xde\xf4\x61\xd5\x83\xf3\x46\x98\x57\x10\x00\x18\xde\x5f"
      "\x87\x39\xa8\x68\xbf\xab\xdd\x75\xcf\x1b\xf9\xbb\x77\x6e\xaf\xed\x2d\x47"
      "\x58\xc6\x07\x7c\xf0\x95\xfd\xc9\x47\xd7\xee\xdd\xb9\x5d\x2c\x9d\x9c\xf9"
      "\xc8\xb2\x2c\x8b\x28\x15\x7d\x89\x13\xff\x4e\x62\xbe\x7b\x4e\x29\x22\x9e"
      "\x8b\x88\xb9\x31\xc4\xdf\x7d\x37\x22\x3e\xd1\xaf\xfe\x49\x31\x36\x72\xba"
      "\x3b\xf3\x69\x6f\xfc\xe8\xc6\x7e\x7a\xa2\xf1\xd3\xfb\xe2\xa7\x45\x5e\x67"
      "\x9d\x3f\x7d\x1f\x1f\x43\x59\x60\xd6\xbc\x97\xdf\x7f\x5e\x3d\x7c\xfd\xcd"
      "\x15\x57\xd6\xb9\xe2\x88\xfe\xd7\x7f\xa9\xb8\x43\x8d\xae\xb8\xff\x95\x22"
      "\xf6\xee\x7d\x07\xf7\xbf\xbd\xeb\xbd\x54\x94\xe6\x70\xfc\xfc\x9a\x3f\x37"
      "\x6c\x8c\x17\x7e\xfb\xf5\x07\x76\x66\xcb\x9d\xbc\x77\x23\x9e\x9b\xef\x17"
      "\x3f\xd9\x8f\x9f\x0c\x88\xff\xfc\x90\xf1\xff\xf4\xa9\xcf\xfc\xe8\x95\x01"
      "\x79\xd9\xcf\x23\xce\x47\xff\xf8\xbd\xb1\x2a\xed\xc6\xcd\x4a\x6b\x7b\xe7"
      "\xe2\x66\x63\x75\xa3\xb6\x51\xbb\x51\xad\x5e\x59\xb9\x72\xe9\xa5\xcb\x2f"
      "\x56\x2b\xc5\x18\x75\x65\x6f\xa4\xfa\x41\xff\x78\xf9\xc2\x33\x83\xca\x96"
      "\xd7\xff\xc4\x80\xf8\x9d\x57\xfe\xe4\xa1\xfa\x2f\xee\x9f\xfb\x85\x21\xeb"
      "\xff\x8b\xff\xbd\xf9\x9d\xcf\x1e\x6c\x2e\x1d\x8e\xff\xa5\xcf\xf7\x7f\xfd"
      "\x9f\x2d\xd6\xfd\x9f\xff\xbc\x4d\xfc\xe2\x90\xf1\x57\x4f\xfc\x6a\xe0\xf4"
      "\xdd\x79\xfc\xf5\x01\xf5\x7f\xd4\xeb\x7f\x61\xc8\xf8\xef\xff\x6d\x67\x7d"
      "\xc8\x43\x01\x80\x09\x68\x6d\xef\x5c\x5f\xad\xd7\x6b\xb7\x46\x4a\xe4\xef"
      "\x42\x3f\xfc\x59\x59\x96\xbd\x93\x97\xe1\x21\xc7\xe4\xd9\xc3\x3d\xe0\x5e"
      "\x77\x71\xb4\xea\xfc\x25\x8a\xc4\xc1\xd3\x92\x44\x12\xa3\x3f\x3f\xf7\x27"
      "\xf2\xce\xd8\x30\x07\x2f\x8c\x5c\x9d\xfb\x12\x7b\xc3\x25\xe3\xae\x4e\x9f"
      "\xc4\xfc\x7e\x5f\x71\xbc\x8f\xfc\xed\x87\xff\xb5\x0c\x4a\x2c\x8e\x12\x34"
      "\x1d\x7b\x2d\x1e\x27\x11\xa7\xbb\x89\xbb\x93\x0a\x3a\x95\xdb\x11\x30\x41"
      "\x07\x17\xfd\xb4\x4b\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0c"
      "\x32\x89\xff\xc3\x34\xed\x3a\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\x7c\xfd\x3f\x00"
      "\x00\xff\xff\x67\x57\xbe\x2d",
      1393);
  syz_mount_image(/*fs=*/0x200000000080, /*dir=*/0x200000000100, /*flags=*/0,
                  /*opts=*/0x200000000240, /*chdir=*/1, /*size=*/0x571,
                  /*img=*/0x200000000780);
  //  syz_mount_image$ext4 arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {65 78 74 34 00} (length 0x5)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x408003 (8 bytes)
  //    opts: ptr[in, fs_options[ext4_options]] {
  //      fs_options[ext4_options] {
  //        elems: array[fs_opt_elem[ext4_options]] {
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              max_dir_size_kb: fs_opt["max_dir_size_kb", fmt[hex, int32]] {
  //                name: buffer: {6d 61 78 5f 64 69 72 5f 73 69 7a 65 5f 6b 62}
  //                (length 0xf) eq: const = 0x3d (1 bytes) val: int32 = 0x5 (18
  //                bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              noblock_validity: buffer: {6e 6f 62 6c 6f 63 6b 5f 76 61 6c 69
  //              64 69 74 79} (length 0x10)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              usrquota: buffer: {75 73 72 71 75 6f 74 61} (length 0x8)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              grpjquota: buffer: {67 72 70 6a 71 75 6f 74 61 3d} (length
  //              0xa)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              nogrpid: buffer: {6e 6f 67 72 70 69 64} (length 0x7)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              errors_remount: buffer: {65 72 72 6f 72 73 3d 72 65 6d 6f 75
  //              6e 74 2d 72 6f} (length 0x11)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              grpjquota: buffer: {67 72 70 6a 71 75 6f 74 61 3d} (length
  //              0xa)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              i_version: buffer: {69 5f 76 65 72 73 69 6f 6e} (length 0x9)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              resuid: fs_opt["resuid", fmt[hex, uid]] {
  //                name: buffer: {72 65 73 75 69 64} (length 0x6)
  //                eq: const = 0x3d (1 bytes)
  //                val: uid (resource)
  //              }
  //            }
  //            comma: const = 0x32 (1 bytes)
  //          }
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x1b (1 bytes)
  //    size: len = 0x4f0 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x4f0)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000000, "ext4\000", 5);
  memcpy((void*)0x200000000300, "./file0\000", 8);
  memcpy((void*)0x200000000200, "max_dir_size_kb", 15);
  *(uint8_t*)0x20000000020f = 0x3d;
  sprintf((char*)0x200000000210, "0x%016llx", (long long)5);
  *(uint8_t*)0x200000000222 = 0x2c;
  memcpy((void*)0x200000000223, "noblock_validity", 16);
  *(uint8_t*)0x200000000233 = 0x2c;
  memcpy((void*)0x200000000234, "usrquota", 8);
  *(uint8_t*)0x20000000023c = 0x2c;
  memcpy((void*)0x20000000023d, "grpjquota=", 10);
  *(uint8_t*)0x200000000247 = 0x2c;
  memcpy((void*)0x200000000248, "nogrpid", 7);
  *(uint8_t*)0x20000000024f = 0x2c;
  memcpy((void*)0x200000000250, "errors=remount-ro", 17);
  *(uint8_t*)0x200000000261 = 0x2c;
  memcpy((void*)0x200000000262, "grpjquota=", 10);
  *(uint8_t*)0x20000000026c = 0x2c;
  memcpy((void*)0x20000000026d, "i_version", 9);
  *(uint8_t*)0x200000000276 = 0x2c;
  memcpy((void*)0x200000000277, "resuid", 6);
  *(uint8_t*)0x20000000027d = 0x3d;
  sprintf((char*)0x20000000027e, "0x%016llx", (long long)0);
  *(uint8_t*)0x200000000290 = 0x32;
  *(uint8_t*)0x200000000291 = 0;
  memcpy(
      (void*)0x200000000a40,
      "\x78\x9c\xec\xdd\x4d\x6b\x1c\xe7\x1d\x00\xf0\xff\x8c\xb4\xb6\x65\xcb\x95"
      "\x4c\x7b\x70\x0d\x75\x4d\xed\x22\x99\xd6\xbb\x92\x55\xdb\xa2\x07\xd7\x2d"
      "\xa5\x3d\x19\xda\xba\xe7\xba\xaa\xb4\x12\x42\x2b\xad\xd0\xae\x6c\x4b\x98"
      "\x56\xa6\x1f\xa0\x50\x4a\x5b\x28\x14\x72\xca\x25\x90\x0f\x10\x08\xfe\x08"
      "\x21\x60\x48\xee\x21\x09\x09\x21\xb1\x93\x83\x0f\x89\x37\xec\x9b\x5f\xe4"
      "\x5d\x69\x8d\x57\x5a\x23\xfd\x7e\x30\x9a\xe7\x99\x17\xfd\xff\xcf\x2e\x33"
      "\x3b\xcf\xcc\x30\x13\xc0\xbe\x75\x2a\x22\x4e\x47\xc4\xa3\x4a\xa5\x72\x36"
      "\x22\x86\x1a\xd3\xd3\xc6\x70\xa5\x5a\xd9\xa8\x2f\xf7\xe0\xfe\xed\xe9\xea"
      "\x90\x44\xa5\x72\xed\xf3\x24\x22\xa9\x4f\xab\x2e\x32\xfa\xd4\xff\x3c\x52"
      "\x5f\x25\x0e\x45\xc4\x1f\x7e\x1b\xf1\x97\xe4\xf9\xb8\xa5\xb5\xf5\x85\xa9"
      "\x42\x21\xbf\xd2\xa8\xe7\xca\x8b\xcb\xb9\xd2\xda\xfa\xb9\xf9\xc5\xa9\xb9"
      "\xfc\x5c\x7e\x69\x62\x62\xfc\xe2\xe4\xa5\xc9\x0b\x93\x63\x5d\x69\xe7\x60"
      "\x44\x5c\xfe\xf5\xc7\xff\xfe\xc7\xeb\xbf\xb9\xfc\xf6\x4f\x6f\x7e\x70\xfd"
      "\xd3\xd1\xbf\x26\x8d\xe9\x11\x4f\xda\xd1\x6d\xf5\xa6\x67\x6a\x9f\x45\x53"
      "\x7f\x44\xac\xec\x44\xb0\x1e\xe8\x6b\xb4\x27\xd3\xeb\x44\x00\x00\xe8\x48"
      "\xf3\x38\xff\x47\x11\x71\x36\x86\xa2\xaf\x76\x34\x07\x00\x00\x00\xec\x25"
      "\x95\x5f\x0c\xc6\xd7\x49\x44\x05\x00\x00\x00\xd8\xb3\xd2\xda\x3d\xb0\x49"
      "\x9a\x6d\xdc\x07\x30\x18\x69\x9a\xcd\xd6\xef\xe1\xfd\x5e\x1c\x4e\x0b\xc5"
      "\x52\xf9\x27\xb3\xc5\xd5\xa5\x99\xfa\xbd\xb2\xc3\x91\x49\x67\xe7\x0b\xf9"
      "\xb1\xc6\xbd\xc2\xc3\x91\x49\xaa\xf5\xf1\x5a\xf9\x49\xfd\xfc\xa6\xfa\x44"
      "\x44\x1c\x8b\x88\x7f\x0d\x0d\xd4\xea\xd9\xe9\x62\x61\xa6\xd7\x27\x3f\x00"
      "\x00\x00\x60\x9f\x38\xb2\xa9\xff\xff\xd5\x50\xbd\xff\x0f\x00\x00\x00\xec"
      "\x31\xc3\xbd\x4e\x00\x00\x00\x00\xd8\x71\xfa\xff\x00\x00\x00\xb0\xf7\xe9"
      "\xff\x03\x00\x00\xc0\x9e\xf6\xbb\xab\x57\xab\x43\xa5\xf9\xfe\xeb\x99\x1b"
      "\x6b\xab\x0b\xc5\x1b\xe7\x66\xf2\xa5\x85\xec\xe2\xea\x74\x76\xba\xb8\xb2"
      "\x9c\x9d\x2b\x16\xe7\x6a\xcf\xec\x5b\xdc\xee\xff\x15\x8a\xc5\xe5\x9f\xc5"
      "\xd2\xea\xad\x5c\x39\x5f\x2a\xe7\x4a\x6b\xeb\xd7\x17\x8b\xab\x4b\xe5\xeb"
      "\xf3\xcf\xbc\x02\x1b\x00\x00\x00\xd8\x45\xc7\x7e\x78\xf7\xfd\x24\x22\x36"
      "\x7e\x3e\x50\x1b\xaa\x0e\xf4\x3a\x29\x60\x57\xf4\xbf\xc8\xc2\x1f\xed\x5c"
      "\x1e\xc0\xee\xeb\xeb\x75\x02\x40\xcf\xbc\xd0\xef\x3f\xb0\xa7\x64\x7a\x9d"
      "\x00\xd0\x73\x49\x44\xfc\x7f\x8b\xf9\x6d\x6f\xde\x79\x67\x67\xf2\x01\x00"
      "\x00\xba\x6f\xe4\xfb\xad\xaf\xff\x27\xdb\x9e\x1b\xd8\x48\x77\x29\x45\x60"
      "\x87\x38\xff\x07\xfb\x97\xeb\xff\xb0\x7f\xb9\xfe\x0f\xfb\x57\x26\xfa\xa2"
      "\xf3\x8e\xfc\xc0\x8e\xe6\x02\xf4\x46\xb2\xcd\xfc\x97\xbf\xfe\x5f\xa9\xbc"
      "\x50\x42\x00\x00\x40\xd7\x0d\xd6\x86\x24\xcd\x46\xd4\xce\x03\x0c\x46\x9a"
      "\x66\xb3\x11\x47\x6b\xaf\x05\xc8\x24\xb3\xf3\x85\xfc\x58\x44\x7c\x27\x22"
      "\xde\x1b\xca\x1c\xac\xd6\xc7\x6b\x6b\x26\xdb\xf6\x19\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\xba\x4a\x25"
      "\x89\x0a\x00\x00\x00\xb0\xa7\x45\xa4\x9f\x24\x8d\xf7\x7f\x8d\x0c\x9d\x19"
      "\xdc\x7c\x7e\xe0\x40\xf2\x70\xa8\x36\x8e\x88\x9b\xff\xbb\xf6\x9f\x5b\x53"
      "\xe5\xf2\xca\x78\x75\xfa\x17\x8f\xa7\x97\xff\xdb\x98\x7e\xbe\x17\x67\x30"
      "\x00\x00\x00\x80\xcd\x9a\xfd\xf4\x66\x3f\x1e\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xba\xe9\xc1\xfd\xdb\xd3"
      "\xcd\x61\x37\xe3\x7e\xf6\xcb\x88\x18\x6e\x15\xbf\x3f\x0e\xd5\xc6\x87\x22"
      "\x13\x11\x87\xbf\x4c\xa2\xff\xa9\xf5\x92\x88\xe8\xeb\x42\xfc\x8d\x3b\x11"
      "\xf1\xab\x3f\xb5\x88\x9f\x54\xd3\x8a\xe1\x46\x16\xad\xe2\x0f\x74\x2b\xfe"
      "\xf1\x56\xed\xdf\x3a\x7e\x1a\x11\x47\xba\x10\x1f\xf6\xb3\xbb\xd5\xfd\xcf"
      "\x95\x56\xdb\x5f\x1a\xa7\x6a\xe3\xcd\xdb\xdf\xc1\xc7\xeb\xf6\x77\x21\x7e"
      "\xfb\xfd\x5f\xfa\x78\xff\xd7\xd7\x66\xfb\x3f\xda\x61\x8c\x13\xf7\xde\xcc"
      "\xb5\x8d\x7f\x27\xe2\x44\x7f\xeb\xfd\x4f\x33\x7e\xd2\x66\xff\x77\xba\xc3"
      "\xf8\x7f\xfe\xe3\xfa\x7a\xbb\x79\x95\xd7\x22\x46\x5a\xfe\xfe\x24\xcf\xc4"
      "\xca\x95\x17\x97\x73\xa5\xb5\xf5\x73\xf3\x8b\x53\x73\xf9\xb9\xfc\xd2\xc4"
      "\xc4\xf8\xc5\xc9\x4b\x93\x17\x26\xc7\x72\xb3\xf3\x85\x7c\xe3\x6f\xcb\x18"
      "\xff\xfc\xc1\x5b\x8f\xb6\x6a\xff\xe1\x36\xf1\x87\xb7\x69\xff\x99\x0e\xdb"
      "\xff\xcd\xbd\x5b\xf7\xbf\x5b\x2f\x66\x5a\xc5\x1f\x3d\xdd\xfa\xfb\x3f\xde"
      "\x26\x7e\xda\xf8\xed\xfb\x71\xa3\x5c\x9d\x3f\xd2\x2c\x6f\xd4\xcb\x4f\x3b"
      "\xf9\xc6\xbb\x27\xb7\x6a\xff\x4c\x9b\xf6\x6f\xf7\xfd\x8f\x76\xd8\xfe\xb3"
      "\xbf\xff\xfb\x87\x1d\x2e\x0a\x00\xec\x82\xd2\xda\xfa\xc2\x54\xa1\x90\x5f"
      "\xd9\xd7\x85\x97\xfa\x34\xaa\x87\x45\x9d\x2d\x9c\x36\xc2\xbc\x0a\x4d\x56"
      "\xc8\xaf\x94\xfe\xf6\x6a\xa4\xf1\x4a\x16\x9a\xdb\xc4\xc3\x9e\xec\x97\x00"
      "\x00\x80\xee\x7b\xbe\x0f\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\xec\xb6\xee\x3c\x33\xac\xf9\x4c\xec\xad\x9f\xae\xd7\xb4"
      "\x51\x1f\x3d\xf7\x2c\x64\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\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\x5e\xfa\x36\x00\x00\xff\xff"
      "\x6f\x7a\xcf\x63",
      1264);
  syz_mount_image(/*fs=*/0x200000000000, /*dir=*/0x200000000300,
                  /*flags=MS_SILENT|MS_RDONLY|MS_NOSUID|0x400000*/ 0x408003,
                  /*opts=*/0x200000000200, /*chdir=*/0x1b, /*size=*/0x4f0,
                  /*img=*/0x200000000a40);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000,
          /*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=*/0x1000, /*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;
}