// https://syzkaller.appspot.com/bug?id=99a398c6cf80e0e2292a3c6a8cc5a717bcaf7f99
// 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_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")) {
  }
}

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[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  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 = 0x200000 (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 {
  //              minixdf: buffer: {6d 69 6e 69 78 64 66} (length 0x7)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              nouid32: buffer: {6e 6f 75 69 64 33 32} (length 0x7)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              nombcache: buffer: {6e 6f 6d 62 63 61 63 68 65} (length 0x9)
  //            }
  //            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 {
  //              debug_want_extra_isize: fs_opt["debug_want_extra_isize",
  //              fmt[hex, int32]] {
  //                name: buffer: {64 65 62 75 67 5f 77 61 6e 74 5f 65 78 74 72
  //                61 5f 69 73 69 7a 65} (length 0x16) eq: const = 0x3d (1
  //                bytes) val: int32 = 0x80 (18 bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              lazytime: buffer: {6c 61 7a 79 74 69 6d 65} (length 0x8)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              nodelalloc: buffer: {6e 6f 64 65 6c 61 6c 6c 6f 63} (length
  //              0xa)
  //            }
  //            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 {
  //              nomblk_io_submit: buffer: {6e 6f 6d 62 6c 6b 5f 69 6f 5f 73 75
  //              62 6d 69 74} (length 0x10)
  //            }
  //            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 = 0x58a (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x58a)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000040, "ext4\000", 5);
  memcpy((void*)0x200000000200, "./file1\000", 8);
  memcpy((void*)0x200000000580, "minixdf", 7);
  *(uint8_t*)0x200000000587 = 0x2c;
  memcpy((void*)0x200000000588, "nouid32", 7);
  *(uint8_t*)0x20000000058f = 0x2c;
  memcpy((void*)0x200000000590, "nombcache", 9);
  *(uint8_t*)0x200000000599 = 0x2c;
  memcpy((void*)0x20000000059a, "errors=remount-ro", 17);
  *(uint8_t*)0x2000000005ab = 0x2c;
  memcpy((void*)0x2000000005ac, "debug_want_extra_isize", 22);
  *(uint8_t*)0x2000000005c2 = 0x3d;
  sprintf((char*)0x2000000005c3, "0x%016llx", (long long)0x80);
  *(uint8_t*)0x2000000005d5 = 0x2c;
  memcpy((void*)0x2000000005d6, "lazytime", 8);
  *(uint8_t*)0x2000000005de = 0x2c;
  memcpy((void*)0x2000000005df, "nodelalloc", 10);
  *(uint8_t*)0x2000000005e9 = 0x2c;
  memcpy((void*)0x2000000005ea, "noblock_validity", 16);
  *(uint8_t*)0x2000000005fa = 0x2c;
  memcpy((void*)0x2000000005fb, "nomblk_io_submit", 16);
  *(uint8_t*)0x20000000060b = 0x2c;
  *(uint8_t*)0x20000000060c = 0;
  memcpy(
      (void*)0x200000000640,
      "\x78\x9c\xec\xdd\xcf\x6b\x1b\xc7\x1e\x00\xf0\xef\xca\x72\x7e\xbf\x67\x07"
      "\xc2\xe3\xb5\x87\x62\xc8\xa1\x2e\x69\xe4\xd8\xee\x8f\x14\x0a\x49\x2f\x85"
      "\xd2\x86\x06\xda\x7b\x2a\x6c\xc5\x04\xcb\x51\xb0\xe4\x10\xbb\x81\x24\x87"
      "\xe6\xd2\x4b\x09\x85\x52\x5a\x28\xfd\x03\x7a\xef\x31\x94\xde\xfb\x47\x94"
      "\x40\x1b\x08\x25\x98\xf6\xd0\x8b\xca\xca\x2b\x47\x8e\x25\xcb\x76\x94\xca"
      "\x89\x3e\x1f\x58\x7b\x66\x67\xa4\xd9\xd9\xd9\x19\xcd\x68\x25\x14\xc0\xc0"
      "\x1a\x4b\xff\xe4\x22\x5e\x88\x88\x2f\x92\x88\x91\x96\xb4\x7c\x64\x89\x63"
      "\x6b\xf9\x56\x1f\x5e\x9f\x49\xb7\x24\xea\xf5\x8f\xfe\x48\x22\xc9\xf6\x35"
      "\xf3\x27\xd9\xff\xc3\x59\xe4\xff\x11\xf1\xd3\x67\x11\x27\x72\x9b\xcb\xad"
      "\x2e\xaf\xcc\x17\xcb\xe5\xd2\x62\x16\x9f\xa8\x2d\x5c\x99\xa8\x2e\xaf\x9c"
      "\xbc\xb4\x50\x9c\x2b\xcd\x95\x2e\x4f\x4d\x4f\x9f\x7e\x7d\x7a\xea\xad\x37"
      "\xdf\xe8\x59\x5d\x5f\x39\xff\xd7\xd7\x1f\xde\x7d\xef\xf4\xe7\xc7\x57\xbf"
      "\xfa\xe1\xfe\xd1\x3b\x49\x9c\x8d\x23\x59\x5a\x6b\x3d\x9e\xc0\xcd\xd6\xc8"
      "\x58\x8c\x65\xe7\x64\x38\xce\x3e\x96\x71\xb2\x07\x85\xed\x25\x49\xbf\x0f"
      "\x80\x5d\x19\xca\xfa\xf9\x70\xa4\x63\xc0\x48\x0c\x65\xbd\x1e\x78\xfe\xdd"
      "\x88\x88\x3a\x30\xa0\x12\xfd\x1f\x06\x54\x73\x1e\xd0\x5c\xdb\xf7\x68\x1d"
      "\xfc\xcc\x78\xf0\xce\xda\x02\x68\x73\xfd\xf3\x6b\xef\x8d\xc4\x81\xc6\xda"
      "\xe8\xd0\x6a\xb2\x61\x65\x94\xae\x77\x47\x7b\x50\x7e\x5a\xc6\x8f\xbf\x7f"
      "\x7b\x27\xdd\xa2\xcb\xfb\x10\x37\x7a\x50\x1e\x40\xd3\xcd\x5b\x11\x71\x2a"
      "\x9f\xdf\x3c\xfe\x25\xd9\xf8\xb7\x7b\xa7\x1a\x6f\x1e\x6f\xed\xf1\x32\x06"
      "\xed\xf5\x07\xfa\xe9\x6e\x3a\xff\x79\xb5\xdd\xfc\x27\xb7\x3e\xff\x89\x36"
      "\xf3\x9f\xc3\x6d\xfa\xee\x6e\x74\xef\xff\xb9\xfb\x3d\x28\xa6\xa3\x74\xfe"
      "\xf7\x76\xdb\xf9\xef\xfa\xd0\x35\x3a\x94\xc5\xfe\xd3\x98\xf3\x0d\x27\x17"
      "\x2f\x95\x4b\xa7\x22\xe2\xbf\x11\x31\x1e\xc3\xfb\xd3\xf8\x96\xf7\x73\x56"
      "\xef\xd5\x3b\x25\xb5\xce\xff\xd2\x2d\x2d\xbf\x39\x17\xcc\x8e\xe3\x7e\x7e"
      "\xff\xc6\xc7\xcc\x16\x6b\xc5\x27\xa8\xf2\x06\x0f\x6e\x45\xbc\xd8\x76\xfe"
      "\x9b\xac\xb7\x7f\xd2\xa6\xfd\xd3\xf3\x71\xbe\xfb\xd3\x0f\x65\xff\x5f\xea"
      "\x94\xa1\x7b\xfd\x9f\xae\xfa\xf7\x11\x2f\xb7\x6d\xff\x47\x77\xb4\x92\xad"
      "\xef\x4f\x4e\x34\xae\x87\x89\xe6\x55\xb1\xd9\x9f\xb7\xff\xf7\x4b\xa7\xf2"
      "\xc7\xdf\xed\x6f\xfd\xd3\xf6\x3f\xb4\x75\xfd\x47\x93\xd6\xfb\xb5\xd5\x9d"
      "\x97\xf1\xdd\x81\xbf\x4b\x9d\xd2\xda\xb4\xff\xfe\xd8\xc6\xf5\xbf\x2f\xf9"
      "\xb8\x11\xde\x97\xed\xbb\x56\xac\xd5\x16\x27\x23\xf6\x25\x1f\x6c\xde\x3f"
      "\xf5\xe8\xb1\xcd\x78\x33\x7f\x5a\xff\xf1\xe3\x5b\x8f\x7f\xed\xae\xff\x83"
      "\x11\xf1\xc9\x36\xeb\x7f\xfb\xd8\xed\x8e\x59\xfb\x7d\xfd\xa7\xf5\x9f\xdd"
      "\x51\xfb\x3f\x1e\x18\xea\x9c\x94\x05\xee\xbd\xff\xe9\x37\x9d\xca\xdf\xde"
      "\xf8\xf7\x5a\x23\x34\x9e\xed\xd9\xce\xf8\xb7\xc5\xe1\x6c\x08\x3c\xc9\xb9"
      "\x03\x00\x00\x00\x00\x00\x80\xbd\x26\x17\x11\x47\x22\xc9\x15\xd6\xc3\xb9"
      "\x5c\xa1\xb0\xf6\xf9\x8e\x63\x71\x28\x57\xae\x54\x6b\x27\x2e\x56\x96\x2e"
      "\xcf\x46\xe3\xbb\xb2\xa3\x31\x9c\x6b\xde\xe9\x1e\x69\xf9\x3c\xc4\x64\xf6"
      "\x79\xd8\xd1\xa8\x35\xe2\x53\xeb\xf1\xb5\xf4\xe9\x88\x38\x1a\x11\x5f\x0e"
      "\x1d\x6c\xc4\x0b\x33\x95\xf2\x6c\xbf\x2b\x0f\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x7b\xc4\xe1\x0e\xdf\xff\x4f\xfd\x36\xd4"
      "\xef\xa3\x03\x9e\x3a\x3f\xf9\x0d\x83\xab\x6b\xff\xef\xc5\x2f\x3d\x01\x7b"
      "\x92\xd7\x7f\x18\x5c\xfa\x3f\x0c\x2e\xfd\x1f\x06\x97\xfe\x0f\x83\x4b\xff"
      "\x87\xc1\xa5\xff\xc3\xe0\xd2\xff\x61\x70\xe5\xe3\xf8\xcf\xfd\x3e\x06\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x78\x8e\x9c\x3f\x77\x2e\xdd\xea\xab\x0f\xaf\xcf\xa4\xf1\xd9\xab"
      "\xcb\x4b\xf3\x95\xab\x27\x67\x4b\xd5\xf9\xc2\xc2\xd2\x4c\x61\xa6\xb2\x78"
      "\xa5\x30\x57\xa9\xcc\x95\x4b\x85\x99\xca\x42\xb7\xe7\x2b\x57\x2a\x57\x26"
      "\xa7\x62\xe9\xda\x44\xad\x54\xad\x4d\x54\x97\x57\x2e\x2c\x54\x96\x2e\xd7"
      "\x2e\x5c\x5a\x28\xce\x95\x2e\x94\x86\xff\x95\x5a\x01\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\xb3\xa5\xba\xbc\x32\x5f\x2c\x97"
      "\x4b\x8b\x02\x1d\x03\x67\x62\x07\x99\x7f\xdd\x49\xe6\x3d\x12\x38\x93\x5d"
      "\x0c\xbb\x7a\x78\xbe\x8f\x07\xbf\xdc\xf7\x53\xf7\x6c\x04\x0e\x74\x69\xdc"
      "\xfa\xc8\xe6\xa4\x3e\x0f\x4c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\xd0\xe2\x9f\x00\x00\x00\xff\xff\x93\x85\x32\xd5",
      1418);
  syz_mount_image(/*fs=*/0x200000000040, /*dir=*/0x200000000200,
                  /*flags=MS_RELATIME*/ 0x200000, /*opts=*/0x200000000580,
                  /*chdir=*/1, /*size=*/0x58a, /*img=*/0x200000000640);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
  //    }
  //    flags: open_flags = 0x0 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000004280, "./file0\000", 8);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000004280ul,
                /*flags=*/0, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  getdents arguments: [
  //    fd: fd_dir (resource)
  //    ent: nil
  //    count: len = 0x0 (8 bytes)
  //  ]
  syscall(__NR_getdents, /*fd=*/r[0], /*ent=*/0ul, /*count=*/0ul);
  //  setxattr$incfs_metadata arguments: [
  //    path: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
  //    }
  //    name: ptr[in, buffer] {
  //      buffer: {75 73 65 72 2e 69 6e 63 66 73 2e 6d 65 74 61 64 61 74 61 00}
  //      (length 0x14)
  //    }
  //    val: ptr[in, buffer] {
  //      buffer: {2a bf e1 a9 34 d5 a5 b0 4e d9 75 33 31 a2 8f 49 78 f4 2a 48
  //      f0 0e 27 bb 88 14 1b 7f dc 2d dc 22 72 7e ef 9e 88 ad de fb d3 2b b1
  //      7b ea 88 12 98 c3 7e 0d 34 5a 7d 6a 15 b0 cd 0d 9c 95 c8 2c 30 d8 6a
  //      2b 1f cc 66 d5 c7 c1 f5 2d 75 ff d1 5e 8d 66 ac dc 98 61 a1 38 b0 b9
  //      db 6d d0 24 c7 1e b0 87 2c d3 00 00 46 e4 28 ac 23 66 cc 68 1d d2 c4
  //      4f 3c 58 3a ea 7e 35 6f b6 ba da e1 ab 50 8d 3f de 8f 7b 06 fc 01 c2
  //      4c 13 11 3f c5 93 18 25 80 b8 96 b5 db 80 78 55 56 dc 70 39 b4 6e 9a
  //      ab 40 74 89 a6 97 37 b0 73 4c e2 5d e9 3e c2 d5 8c 12 05 6e 75 ea 61
  //      c2 72 9e e7 97 de f3 51 28 b3 cf 97 b0 b3 e4 c0 1f 59 14 71 fe 99 d6
  //      c6 e4 de 14 aa 2b c7 5f cc a4 ff b8 05 94 c9 4c b5 ce 2b 14 fe a3 b3
  //      3e 0e 35 d8 ae 72 36 85 cd 4b d3 f2 b5 2b 3d 9a 81 1f 92 60 4a 63 e6
  //      07 ad b1 4e 69 c4 03 d7 10 1f 55 64 7c bd c9 62 52 35 84 06 f1 b5 c1
  //      1b 23 b2 6c 52 b3 2e 9f 99 f9 5d e0 54 e1 43 06 0a fb a9 ee 45 4d 2e
  //      6b 4d 29 7d 31 86 7f 2e e8 54 e7 2a a6 a3 ff 7f dc bb 1e 61 30 60 e1
  //      e3 28 94 cc 59 59 0d 63 c5 24 a6 9b 11 ee 43 50 9a 36 00 21 f8 c6 43
  //      0b 05 a3 81 bb 5f 22 2d ed 6b 1d 48 4e dc 01 02 02 2b 50 e6 c6 e7 5d
  //      39 58 cd ff 54 d0 ca 06 2a 26 fc 13 5c 1b f1 ab c1 aa 30 a4 4e 7f 12
  //      3c 43 cc e0 c0 f6 75 ac 74 cc aa f2 46 03 9a 99 89 58 8a 99 1b bb e5
  //      11 e7 ce b5 37 8b cb 99 c5 b9 47 93 4f 46 70 12 11 d4 63 e8 c4 3c e3
  //      68 ab 78 3f 63 4f 51 91 57 c1 fc 72 db c6 35 e4 88 92 77 db 67 2a 99
  //      49 4e 92 d4 0f c2 45 cb 55 b1 07 42 36 92 3a dd de df b3 fe 39 b4 12
  //      33 cf 5d b3 54 c2 3d 8f aa 43 5a b8 ae 23 96 39 b7 f6 a9 9a dc c9 a3
  //      e6 8a 0e e7 f2 a3 db 2c f9 21 6c c8 5c fd 4a 76 af 69 a2 47 5f f6 24
  //      a9 3b ca 82 f0 cf 1f 9d 96 a3 b8 36 7b d1 47 2d f8 0e c4 57 f4 a6 ef
  //      77 b2 87 82 9e 23 ba 03 eb e5 42 d5 bf 6c 09 5f 6f c9 e2 62 02 25 82
  //      2d 8a 74 e6 71 8d 48 0d cc 8b 99 88 f4 7f f9 84 b7 92 7f cb 92 9f e1
  //      7b f8 9d 38 9a 0e d9 19 a7 1b da af 7b 5a 17 aa 56 cd 6c f3 59 df 18
  //      b4 ed 01 b2 76 65 60 47 91 3e ea 29 be 8b 40 6b 65 a2 14 39 5b cb 4b
  //      ef f2 59 78 e5 26 f9 28 c5 d8 05 79 be 5a 6e af b2 83 da 8f a6 58 7c
  //      ad cd 93 0b 74 a1 fd 83 5d 72 23 66 ff 5e 20 4c 8e 48 30 e5 e2 45 5c
  //      1c e4 67 64 fa 66 f1 f8 4c 2b b4 41 37 d8 f2 14 70 f0 0f e4 68 f2 5c
  //      68 10 73 b7 5d c0 de ce 37 2a 02 8e 1e 72 10 ac 4a 1e e5 74 2a fa e2
  //      62 4f a0 d4 47 5b ad 08 05 82 a5 4b 1c a3 72 cb 24 b9 6c a8 e8 ab de
  //      2c aa 18 19 ff e3 f8 c9 52 59 63 0a c2 5d 8e e1 4b 4f 16 85 43 74 4c
  //      a9 c8 30 ee 31 68 97 57 2a 1f 70 e8 5e 47 47 95 98 87 a9 f4 40 eb 7d
  //      67 b1 ef 79 b2 07 a2 52 0c 41 b5 26 42 a2 3a 8b b7 c1 4b ef 30 b8 1c
  //      4c eb d9 89 2e ff e3 e6 88 fe 7a 3e 38 1e 3b 18 e8 cf 71 55 20 3f 9f
  //      24 0c 0e 68 9f 2c d6 fd 6e fc 2d aa d2 21 57 83 a2 a2 be 37 e0 75 5b
  //      02 fd 60 0f 9d ad 0c 90 70 97 7d c9 16 a9 81 9a 92 f3 d8 76 95 41 e3
  //      f5 7d 70 5c f1 80 84 38 58 29 d8 6a e9 96 28 94 68 44 20 32 1a 98 fc
  //      78 64 02 b4 47 27 08 66 5a a1 83 02 7b 0c dc e8 f3 6b 7d 23 48 df 81
  //      4e c4 3b 34 84 7e 6a ea aa 0b 64 c3 cd 4a a7 52 12 d0 b1 7a 65 32 44
  //      65 fd 69 1d 48 32 f1 9b 9e 70 31 bf 14 c4 c1 da eb 92 19 59 7b 6d 8f
  //      a9 08 81 88 fe dc 79 82 a0 5a b5 dd 8d 0b 14 5b 20 9f c6 8d 54 95 a4
  //      6f e0 e5 05 93 9f 9d 61 31 2e 8a 41 81 5b 44 38 42 ae 64 25 bf f9 5e
  //      8a 11 f5 cd 2d 3b 1d 9f ee 2b 09 06 20 af 9f 67 16 9b 35 48 1c a4 f6
  //      24 16 f0 29 ce 05 86 9a 82 a7 95 d9 6a a7 4a ef c0 95 9c 84 a9 e7 81
  //      b4 90 e6 81 06 0a 7b 6a 38 75 72 97 3e 0b 83 88 7e da fb 77 04 99 fc
  //      1f 68 b6 da 8f 23 da 44 e1 1e a8 4a ff db 73 4c 81 19 61 0c ed 68 0c
  //      b2 16 db 3f 9f b5 5b 23 cf 7c 5d 21 05 93 72 de d4 77 18 14 38 78 32
  //      57 cb a6 1b 54 c8 8b 24 b9 8e 5c 09 1d 31 17 93 79 80 26 26 ca 3d dc
  //      65 51 ef 4e 1a ba 2c fd ec 17 20 9c 7b d9 d2 68 40 e6 24 96 00 59 82
  //      ad cb df 9b e6 26 34 22 e3 f7 04 7a 21 8d 7a 57 3c f0 fa 5b fe 40 96
  //      4b 2f d5 38 56 9d 65 43 dc 82 37 a9 04 89 35 12 c1 f6 71 2f 8f bb f4
  //      5e b4 98 93 af d8 cc fd 0b 03 b7 1a 52 d0 b9 13 81 41 45 95 23 c6 db
  //      f7 ad 8e fc 5d 30 00 0e 59 3a d8 a8 66 94 40 c4 10 b1 07 c8 d6 e0 44
  //      25 df 2d e6 92 16 10 d0 9d 9e 3f ac 9c 3d 14 55 1d 0c 24 12 cb 48 ce
  //      bf 41 ab 0e ae d2 93 fc 63 88 bf 13 1f 73 5b 14 16 53 cf f9 b2 34 62
  //      39 7b 50 a4 80 f6 d2 90 bc cc f7 ea c4 07 f1 4a 8c af 6a 27 00 ad 8a
  //      f3 d2 2f 35 d7 e1 5d 1d 76 6a b5 9b a2 7d be f4 41 57 f3 5f 2a 2b 14
  //      68 70 6f 2a 5a 67 62 1d 96 a9 a4 a3 3a b3 82 f8 63 17 87 7c 9b 74 23
  //      87 35 4e e2 cc c4 bc 48 9e 6c 45 61 57 87 7f ba 66 45 ba e8 7d 0d 48
  //      55 df 7f 4d 6f a9 be 14 26 69 1c f0 1c a8 80 0a 0d 53 3b 57 a4 89 0d
  //      8a 33 a3 fc 6e 42 37 60 3c 9f e5 e1 d0 e0 12 fa 93 6e 56 af 58 9e 00
  //      f3 69 c9 d6 e0 1a d7 79 d5 23 8b db 66 d9 9d 07 ec 6f d7 13 15 45 7e
  //      ba f1 30 58 1b 52 17 79 8d fa 07 a5 6f b3 76 f6 67 e7 e4 cc c8 9e 2e
  //      bb 43 40 11 1d 3e 1d 50 17 ca 35 bb c7 c9 68 4e fb 7e 68 5e f9 29 9a
  //      d9 46 24 6c 8b 7d 83 b8 29 b5 59 7c f8 95 30 72 b2 80 eb a8 e9 ad 77
  //      8e e4 29 e0 82 17 03 72 f0 02 3a 7e 73 66 3e 15 ad 69 b9 ff 7f 55 70
  //      cf 89 be 26 15 bc 04 2c a2 c9 7c dd 9d 15 30 48 7c 53 8e 18 17 09 5b
  //      b9 db 17 71 57 49 21 8d 8f 33 e8 d6 50 1f 4e 07 88 31 db 14 34 53 8a
  //      7a 10 23 0c 82 9c 2a af fa 2c 8f b3 c1 6e 92 10 ff 19 56 1d 6f 91 1e
  //      ca c2 7d fe 52 de c5 48 9a 5e c9 72 22 32 1d 0d 17 1d 1c b9 60 9f f6
  //      2c bc 84 52 e5} (length 0x691)
  //    }
  //    size: bytesize = 0x691 (8 bytes)
  //    flags: setxattr_flags = 0x1 (8 bytes)
  //  ]
  memcpy((void*)0x200000000040, "./file0\000", 8);
  memcpy((void*)0x200000000080, "user.incfs.metadata\000", 20);
  memcpy(
      (void*)0x200000000a40,
      "\x2a\xbf\xe1\xa9\x34\xd5\xa5\xb0\x4e\xd9\x75\x33\x31\xa2\x8f\x49\x78\xf4"
      "\x2a\x48\xf0\x0e\x27\xbb\x88\x14\x1b\x7f\xdc\x2d\xdc\x22\x72\x7e\xef\x9e"
      "\x88\xad\xde\xfb\xd3\x2b\xb1\x7b\xea\x88\x12\x98\xc3\x7e\x0d\x34\x5a\x7d"
      "\x6a\x15\xb0\xcd\x0d\x9c\x95\xc8\x2c\x30\xd8\x6a\x2b\x1f\xcc\x66\xd5\xc7"
      "\xc1\xf5\x2d\x75\xff\xd1\x5e\x8d\x66\xac\xdc\x98\x61\xa1\x38\xb0\xb9\xdb"
      "\x6d\xd0\x24\xc7\x1e\xb0\x87\x2c\xd3\x00\x00\x46\xe4\x28\xac\x23\x66\xcc"
      "\x68\x1d\xd2\xc4\x4f\x3c\x58\x3a\xea\x7e\x35\x6f\xb6\xba\xda\xe1\xab\x50"
      "\x8d\x3f\xde\x8f\x7b\x06\xfc\x01\xc2\x4c\x13\x11\x3f\xc5\x93\x18\x25\x80"
      "\xb8\x96\xb5\xdb\x80\x78\x55\x56\xdc\x70\x39\xb4\x6e\x9a\xab\x40\x74\x89"
      "\xa6\x97\x37\xb0\x73\x4c\xe2\x5d\xe9\x3e\xc2\xd5\x8c\x12\x05\x6e\x75\xea"
      "\x61\xc2\x72\x9e\xe7\x97\xde\xf3\x51\x28\xb3\xcf\x97\xb0\xb3\xe4\xc0\x1f"
      "\x59\x14\x71\xfe\x99\xd6\xc6\xe4\xde\x14\xaa\x2b\xc7\x5f\xcc\xa4\xff\xb8"
      "\x05\x94\xc9\x4c\xb5\xce\x2b\x14\xfe\xa3\xb3\x3e\x0e\x35\xd8\xae\x72\x36"
      "\x85\xcd\x4b\xd3\xf2\xb5\x2b\x3d\x9a\x81\x1f\x92\x60\x4a\x63\xe6\x07\xad"
      "\xb1\x4e\x69\xc4\x03\xd7\x10\x1f\x55\x64\x7c\xbd\xc9\x62\x52\x35\x84\x06"
      "\xf1\xb5\xc1\x1b\x23\xb2\x6c\x52\xb3\x2e\x9f\x99\xf9\x5d\xe0\x54\xe1\x43"
      "\x06\x0a\xfb\xa9\xee\x45\x4d\x2e\x6b\x4d\x29\x7d\x31\x86\x7f\x2e\xe8\x54"
      "\xe7\x2a\xa6\xa3\xff\x7f\xdc\xbb\x1e\x61\x30\x60\xe1\xe3\x28\x94\xcc\x59"
      "\x59\x0d\x63\xc5\x24\xa6\x9b\x11\xee\x43\x50\x9a\x36\x00\x21\xf8\xc6\x43"
      "\x0b\x05\xa3\x81\xbb\x5f\x22\x2d\xed\x6b\x1d\x48\x4e\xdc\x01\x02\x02\x2b"
      "\x50\xe6\xc6\xe7\x5d\x39\x58\xcd\xff\x54\xd0\xca\x06\x2a\x26\xfc\x13\x5c"
      "\x1b\xf1\xab\xc1\xaa\x30\xa4\x4e\x7f\x12\x3c\x43\xcc\xe0\xc0\xf6\x75\xac"
      "\x74\xcc\xaa\xf2\x46\x03\x9a\x99\x89\x58\x8a\x99\x1b\xbb\xe5\x11\xe7\xce"
      "\xb5\x37\x8b\xcb\x99\xc5\xb9\x47\x93\x4f\x46\x70\x12\x11\xd4\x63\xe8\xc4"
      "\x3c\xe3\x68\xab\x78\x3f\x63\x4f\x51\x91\x57\xc1\xfc\x72\xdb\xc6\x35\xe4"
      "\x88\x92\x77\xdb\x67\x2a\x99\x49\x4e\x92\xd4\x0f\xc2\x45\xcb\x55\xb1\x07"
      "\x42\x36\x92\x3a\xdd\xde\xdf\xb3\xfe\x39\xb4\x12\x33\xcf\x5d\xb3\x54\xc2"
      "\x3d\x8f\xaa\x43\x5a\xb8\xae\x23\x96\x39\xb7\xf6\xa9\x9a\xdc\xc9\xa3\xe6"
      "\x8a\x0e\xe7\xf2\xa3\xdb\x2c\xf9\x21\x6c\xc8\x5c\xfd\x4a\x76\xaf\x69\xa2"
      "\x47\x5f\xf6\x24\xa9\x3b\xca\x82\xf0\xcf\x1f\x9d\x96\xa3\xb8\x36\x7b\xd1"
      "\x47\x2d\xf8\x0e\xc4\x57\xf4\xa6\xef\x77\xb2\x87\x82\x9e\x23\xba\x03\xeb"
      "\xe5\x42\xd5\xbf\x6c\x09\x5f\x6f\xc9\xe2\x62\x02\x25\x82\x2d\x8a\x74\xe6"
      "\x71\x8d\x48\x0d\xcc\x8b\x99\x88\xf4\x7f\xf9\x84\xb7\x92\x7f\xcb\x92\x9f"
      "\xe1\x7b\xf8\x9d\x38\x9a\x0e\xd9\x19\xa7\x1b\xda\xaf\x7b\x5a\x17\xaa\x56"
      "\xcd\x6c\xf3\x59\xdf\x18\xb4\xed\x01\xb2\x76\x65\x60\x47\x91\x3e\xea\x29"
      "\xbe\x8b\x40\x6b\x65\xa2\x14\x39\x5b\xcb\x4b\xef\xf2\x59\x78\xe5\x26\xf9"
      "\x28\xc5\xd8\x05\x79\xbe\x5a\x6e\xaf\xb2\x83\xda\x8f\xa6\x58\x7c\xad\xcd"
      "\x93\x0b\x74\xa1\xfd\x83\x5d\x72\x23\x66\xff\x5e\x20\x4c\x8e\x48\x30\xe5"
      "\xe2\x45\x5c\x1c\xe4\x67\x64\xfa\x66\xf1\xf8\x4c\x2b\xb4\x41\x37\xd8\xf2"
      "\x14\x70\xf0\x0f\xe4\x68\xf2\x5c\x68\x10\x73\xb7\x5d\xc0\xde\xce\x37\x2a"
      "\x02\x8e\x1e\x72\x10\xac\x4a\x1e\xe5\x74\x2a\xfa\xe2\x62\x4f\xa0\xd4\x47"
      "\x5b\xad\x08\x05\x82\xa5\x4b\x1c\xa3\x72\xcb\x24\xb9\x6c\xa8\xe8\xab\xde"
      "\x2c\xaa\x18\x19\xff\xe3\xf8\xc9\x52\x59\x63\x0a\xc2\x5d\x8e\xe1\x4b\x4f"
      "\x16\x85\x43\x74\x4c\xa9\xc8\x30\xee\x31\x68\x97\x57\x2a\x1f\x70\xe8\x5e"
      "\x47\x47\x95\x98\x87\xa9\xf4\x40\xeb\x7d\x67\xb1\xef\x79\xb2\x07\xa2\x52"
      "\x0c\x41\xb5\x26\x42\xa2\x3a\x8b\xb7\xc1\x4b\xef\x30\xb8\x1c\x4c\xeb\xd9"
      "\x89\x2e\xff\xe3\xe6\x88\xfe\x7a\x3e\x38\x1e\x3b\x18\xe8\xcf\x71\x55\x20"
      "\x3f\x9f\x24\x0c\x0e\x68\x9f\x2c\xd6\xfd\x6e\xfc\x2d\xaa\xd2\x21\x57\x83"
      "\xa2\xa2\xbe\x37\xe0\x75\x5b\x02\xfd\x60\x0f\x9d\xad\x0c\x90\x70\x97\x7d"
      "\xc9\x16\xa9\x81\x9a\x92\xf3\xd8\x76\x95\x41\xe3\xf5\x7d\x70\x5c\xf1\x80"
      "\x84\x38\x58\x29\xd8\x6a\xe9\x96\x28\x94\x68\x44\x20\x32\x1a\x98\xfc\x78"
      "\x64\x02\xb4\x47\x27\x08\x66\x5a\xa1\x83\x02\x7b\x0c\xdc\xe8\xf3\x6b\x7d"
      "\x23\x48\xdf\x81\x4e\xc4\x3b\x34\x84\x7e\x6a\xea\xaa\x0b\x64\xc3\xcd\x4a"
      "\xa7\x52\x12\xd0\xb1\x7a\x65\x32\x44\x65\xfd\x69\x1d\x48\x32\xf1\x9b\x9e"
      "\x70\x31\xbf\x14\xc4\xc1\xda\xeb\x92\x19\x59\x7b\x6d\x8f\xa9\x08\x81\x88"
      "\xfe\xdc\x79\x82\xa0\x5a\xb5\xdd\x8d\x0b\x14\x5b\x20\x9f\xc6\x8d\x54\x95"
      "\xa4\x6f\xe0\xe5\x05\x93\x9f\x9d\x61\x31\x2e\x8a\x41\x81\x5b\x44\x38\x42"
      "\xae\x64\x25\xbf\xf9\x5e\x8a\x11\xf5\xcd\x2d\x3b\x1d\x9f\xee\x2b\x09\x06"
      "\x20\xaf\x9f\x67\x16\x9b\x35\x48\x1c\xa4\xf6\x24\x16\xf0\x29\xce\x05\x86"
      "\x9a\x82\xa7\x95\xd9\x6a\xa7\x4a\xef\xc0\x95\x9c\x84\xa9\xe7\x81\xb4\x90"
      "\xe6\x81\x06\x0a\x7b\x6a\x38\x75\x72\x97\x3e\x0b\x83\x88\x7e\xda\xfb\x77"
      "\x04\x99\xfc\x1f\x68\xb6\xda\x8f\x23\xda\x44\xe1\x1e\xa8\x4a\xff\xdb\x73"
      "\x4c\x81\x19\x61\x0c\xed\x68\x0c\xb2\x16\xdb\x3f\x9f\xb5\x5b\x23\xcf\x7c"
      "\x5d\x21\x05\x93\x72\xde\xd4\x77\x18\x14\x38\x78\x32\x57\xcb\xa6\x1b\x54"
      "\xc8\x8b\x24\xb9\x8e\x5c\x09\x1d\x31\x17\x93\x79\x80\x26\x26\xca\x3d\xdc"
      "\x65\x51\xef\x4e\x1a\xba\x2c\xfd\xec\x17\x20\x9c\x7b\xd9\xd2\x68\x40\xe6"
      "\x24\x96\x00\x59\x82\xad\xcb\xdf\x9b\xe6\x26\x34\x22\xe3\xf7\x04\x7a\x21"
      "\x8d\x7a\x57\x3c\xf0\xfa\x5b\xfe\x40\x96\x4b\x2f\xd5\x38\x56\x9d\x65\x43"
      "\xdc\x82\x37\xa9\x04\x89\x35\x12\xc1\xf6\x71\x2f\x8f\xbb\xf4\x5e\xb4\x98"
      "\x93\xaf\xd8\xcc\xfd\x0b\x03\xb7\x1a\x52\xd0\xb9\x13\x81\x41\x45\x95\x23"
      "\xc6\xdb\xf7\xad\x8e\xfc\x5d\x30\x00\x0e\x59\x3a\xd8\xa8\x66\x94\x40\xc4"
      "\x10\xb1\x07\xc8\xd6\xe0\x44\x25\xdf\x2d\xe6\x92\x16\x10\xd0\x9d\x9e\x3f"
      "\xac\x9c\x3d\x14\x55\x1d\x0c\x24\x12\xcb\x48\xce\xbf\x41\xab\x0e\xae\xd2"
      "\x93\xfc\x63\x88\xbf\x13\x1f\x73\x5b\x14\x16\x53\xcf\xf9\xb2\x34\x62\x39"
      "\x7b\x50\xa4\x80\xf6\xd2\x90\xbc\xcc\xf7\xea\xc4\x07\xf1\x4a\x8c\xaf\x6a"
      "\x27\x00\xad\x8a\xf3\xd2\x2f\x35\xd7\xe1\x5d\x1d\x76\x6a\xb5\x9b\xa2\x7d"
      "\xbe\xf4\x41\x57\xf3\x5f\x2a\x2b\x14\x68\x70\x6f\x2a\x5a\x67\x62\x1d\x96"
      "\xa9\xa4\xa3\x3a\xb3\x82\xf8\x63\x17\x87\x7c\x9b\x74\x23\x87\x35\x4e\xe2"
      "\xcc\xc4\xbc\x48\x9e\x6c\x45\x61\x57\x87\x7f\xba\x66\x45\xba\xe8\x7d\x0d"
      "\x48\x55\xdf\x7f\x4d\x6f\xa9\xbe\x14\x26\x69\x1c\xf0\x1c\xa8\x80\x0a\x0d"
      "\x53\x3b\x57\xa4\x89\x0d\x8a\x33\xa3\xfc\x6e\x42\x37\x60\x3c\x9f\xe5\xe1"
      "\xd0\xe0\x12\xfa\x93\x6e\x56\xaf\x58\x9e\x00\xf3\x69\xc9\xd6\xe0\x1a\xd7"
      "\x79\xd5\x23\x8b\xdb\x66\xd9\x9d\x07\xec\x6f\xd7\x13\x15\x45\x7e\xba\xf1"
      "\x30\x58\x1b\x52\x17\x79\x8d\xfa\x07\xa5\x6f\xb3\x76\xf6\x67\xe7\xe4\xcc"
      "\xc8\x9e\x2e\xbb\x43\x40\x11\x1d\x3e\x1d\x50\x17\xca\x35\xbb\xc7\xc9\x68"
      "\x4e\xfb\x7e\x68\x5e\xf9\x29\x9a\xd9\x46\x24\x6c\x8b\x7d\x83\xb8\x29\xb5"
      "\x59\x7c\xf8\x95\x30\x72\xb2\x80\xeb\xa8\xe9\xad\x77\x8e\xe4\x29\xe0\x82"
      "\x17\x03\x72\xf0\x02\x3a\x7e\x73\x66\x3e\x15\xad\x69\xb9\xff\x7f\x55\x70"
      "\xcf\x89\xbe\x26\x15\xbc\x04\x2c\xa2\xc9\x7c\xdd\x9d\x15\x30\x48\x7c\x53"
      "\x8e\x18\x17\x09\x5b\xb9\xdb\x17\x71\x57\x49\x21\x8d\x8f\x33\xe8\xd6\x50"
      "\x1f\x4e\x07\x88\x31\xdb\x14\x34\x53\x8a\x7a\x10\x23\x0c\x82\x9c\x2a\xaf"
      "\xfa\x2c\x8f\xb3\xc1\x6e\x92\x10\xff\x19\x56\x1d\x6f\x91\x1e\xca\xc2\x7d"
      "\xfe\x52\xde\xc5\x48\x9a\x5e\xc9\x72\x22\x32\x1d\x0d\x17\x1d\x1c\xb9\x60"
      "\x9f\xf6\x2c\xbc\x84\x52\xe5",
      1681);
  syscall(__NR_setxattr, /*path=*/0x200000000040ul, /*name=*/0x200000000080ul,
          /*val=*/0x200000000a40ul, /*size=*/0x691ul,
          /*flags=XATTR_CREATE*/ 1ul);
}
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;
  use_temporary_dir();
  loop();
  return 0;
}