// https://syzkaller.appspot.com/bug?id=0a52da0bbfd5ff2cd097edb1607fd2bda63a1c4d
// 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);
  }
}

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 62 75 73 00} (length 0x6)
  //    }
  //    flags: mount_flags = 0x41 (8 bytes)
  //    opts: ptr[in, fs_options[ext4_options]] {
  //      fs_options[ext4_options] {
  //        elems: array[fs_opt_elem[ext4_options]] {
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x64 (1 bytes)
  //    size: len = 0x52b (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x52b)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000180, "ext4\000", 5);
  memcpy((void*)0x2000000001c0, "./bus\000", 6);
  *(uint8_t*)0x200000000080 = 0;
  memcpy(
      (void*)0x200000000f80,
      "\x78\x9c\xec\xdd\xcf\x6b\x24\x59\x1d\x00\xf0\x6f\x75\xba\x63\x32\x93\xd9"
      "\x64\xd5\x83\x2e\xb8\xae\xee\x42\x66\xd0\xe9\x4e\x36\xee\x6e\xf0\xb0\x8e"
      "\x20\x7a\x5a\x50\xd7\xfb\x18\x93\x4e\x08\xe9\xa4\x43\xba\xb3\x3b\x09\x8b"
      "\x9b\xc1\x3f\x40\x10\x51\xc1\x93\x5e\xbc\x08\xfe\x01\x82\x2c\x78\xf1\xb8"
      "\x08\x0b\x7a\x56\x54\x14\xd1\x59\x05\x3d\xe8\xd4\x52\xdd\xd5\x99\x99\x4c"
      "\x77\xa7\x33\xd3\xf9\x31\xc9\xe7\x03\x95\x7a\xaf\x5e\x55\x7d\xdf\xeb\x50"
      "\xd5\xf5\xba\x1e\x55\x01\x5c\x58\xcf\x45\xc4\x8d\x88\xb8\x9b\xa6\xe9\xb5"
      "\x88\x98\xcc\x97\x17\xf2\x29\xf6\xda\x53\xb6\xde\xfb\x77\xde\x5a\xcc\xa6"
      "\x24\xd2\xf4\xf5\x7f\x24\x91\xe4\xcb\x3a\xfb\x4a\xf2\xf9\xe5\x7c\xb3\xb1"
      "\x88\xf8\xfa\x57\x22\xbe\x95\x3c\x1c\xb7\xb1\xb3\xbb\xb6\x50\xab\x55\xb7"
      "\xf2\x7c\xa5\xb9\xbe\x59\x69\xec\xec\x5e\x5f\x5d\x5f\x58\xa9\xae\x54\x37"
      "\xe6\xe6\x66\x5f\x9e\x7f\x65\xfe\xa5\xf9\x99\xa1\xb4\xf3\x4a\x44\xbc\xfa"
      "\xa5\xbf\xfc\xe0\xbb\x3f\xfb\xf2\xab\xbf\xfa\xec\x9b\x7f\xbc\xf9\xb7\xab"
      "\xdf\xce\xaa\x35\x91\x97\xdf\xdf\x8e\x23\x2a\xf6\x2b\x6c\x37\xbd\x74\xe3"
      "\xe0\x06\x5b\x8f\x18\xec\x2c\xca\xda\x53\xea\x64\xc6\xbb\xad\x31\xf2\xd0"
      "\x92\xdb\xc7\x5c\x27\x00\x00\xba\xcb\xae\xf1\x3f\x1c\x11\x9f\x8e\x88\x6b"
      "\x31\x19\x23\xfd\x2f\x67\x01\x00\x00\x80\x27\x50\xfa\x85\x89\xf8\x5f\x12"
      "\x91\x76\x37\xda\x63\x39\x00\x00\x00\xf0\x04\x29\xb4\xc6\xc0\x16\xa3\x9c"
      "\x8f\x05\x98\x88\x42\xa1\x5c\x6e\x8f\xe1\xfd\x68\x5c\x2a\xd4\xea\x8d\xe6"
      "\x67\x96\xeb\xdb\x1b\x4b\xed\xb1\xb2\x53\x51\x2a\x2c\xaf\xd6\xaa\x33\xf9"
      "\x58\xe1\xa9\x28\x25\x59\x7e\xb6\x95\xbe\x97\x7f\xf1\x40\x7e\x2e\x22\x9e"
      "\x8e\x88\xef\x4f\x8e\xb7\xf2\xe5\xc5\x7a\x6d\xe9\xb4\x7f\xfc\x00\x00\x00"
      "\x80\x0b\xe2\x72\xab\xcf\x9f\x14\x3a\xfd\xff\x7f\x4f\xb6\xfb\xff\x00\x00"
      "\x00\xc0\x39\x33\x75\x84\x75\xff\x73\x8c\xf5\x00\x00\x00\x00\x8e\xcf\x51"
      "\xfa\xff\x00\x00\x00\xc0\x93\x49\xff\x1f\x00\x00\x00\xce\xb5\xaf\xbe\xf6"
      "\x5a\x36\xa5\x9d\xf7\x5f\x2f\xbd\xb1\xb3\xbd\x56\x7f\xe3\xfa\x52\xb5\xb1"
      "\x56\x5e\xdf\x5e\x2c\x2f\xd6\xb7\x36\xcb\x2b\xf5\xfa\x4a\xeb\x99\x7d\xeb"
      "\x87\xed\xaf\x56\xaf\x6f\x7e\x2e\x36\xb6\x6f\x55\x9a\xd5\x46\xb3\xd2\xd8"
      "\xd9\xbd\xb9\x5e\xdf\xde\x68\xde\x5c\x6d\xbd\x0e\x1c\x00\x00\x00\x38\x05"
      "\x4f\x7f\xf2\x9d\xdf\x27\x11\xb1\xf7\xf9\xf1\xd6\x94\x19\x1d\x6c\xd3\x01"
      "\x57\x03\xce\xaa\xe2\x7e\x2a\xc9\xe7\x5d\x0e\xeb\x3f\x3c\xd5\x9e\xff\xf9"
      "\x84\x2a\x05\x9c\x88\x91\xbe\xa5\xa5\x13\xab\x07\x70\xf2\x8a\xa7\x5d\x01"
      "\xe0\xd4\xf8\x86\x07\x92\x43\xca\x7b\x0e\xde\x79\x37\x9f\x7f\x6a\xb8\xf5"
      "\x01\x00\x00\x86\x6f\xfa\xe3\xbd\xef\xff\x17\xfa\x6e\xb9\xd7\xbf\x18\x38"
      "\xf3\x1c\xc4\x70\x71\xf5\xbf\xff\x0f\x9c\x67\xad\xfb\xff\x83\x8e\xe4\x75"
      "\xb1\x00\xe7\x4a\xc9\x15\x00\x5c\x78\x83\xdf\xff\x3f\x70\x11\xf0\xee\xa0"
      "\x11\xd2\xf4\xc8\x95\x02\x00\x00\x86\x6a\xa2\x35\x25\x85\x72\x7e\x65\x3f"
      "\x11\x85\x42\xb9\x1c\x71\xa5\xf5\x5a\x80\x52\xb2\xbc\x5a\xab\xce\x44\xc4"
      "\x53\x11\xf1\xbb\xc9\xd2\x87\xb2\xfc\x6c\x6b\xcb\xe4\xd0\x3e\x03\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd0"
      "\x96\xa6\x49\xa4\x00\x00\x00\xc0\xb9\x16\x51\xf8\x6b\xf2\xeb\xf6\xb3\xfc"
      "\xa7\x27\x5f\x98\x38\xf8\xfb\xc0\x68\xf2\xdf\xc9\xc8\x5f\x11\xfa\xe6\x8f"
      "\x5f\xff\xe1\xad\x85\x66\x73\x6b\x36\x5b\xfe\xcf\xfd\xe5\xcd\x1f\xe5\xcb"
      "\x5f\x3c\x8d\x5f\x30\x00\x00\x00\xe0\x42\x38\xd2\x0b\xfc\x3b\xfd\xf4\x4e"
      "\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\x86\xe9\xfd\x3b\x6f\x2d\x76\xa6\x93\x8c\xfb\xf7\x2f\x46\xc4"
      "\xd4\x81\xf8\x49\x56\x52\x8c\xb1\x88\xd1\x88\xb1\x28\x45\xc4\xa5\x7f\x25"
      "\x51\xbc\x6f\xbb\x42\x44\x8c\x0c\x21\xfe\x78\xf6\xe7\x63\xdd\xda\x9f\x64"
      "\xd5\xda\x0f\x79\x30\x7e\xd2\xd9\xf6\x31\xed\xdd\xee\x1b\x3f\xa6\xb2\x4f"
      "\xa1\x47\xfc\xcb\x43\x88\x0f\x17\xd9\x3b\xd9\xf9\xe7\x46\xb7\xe3\xaf\x10"
      "\xcf\xb5\xe6\xdd\x8f\xbf\x62\xc4\x03\xf9\x47\xd5\xf5\xfc\x97\x1b\xcb\xff"
      "\x8e\xf4\x38\xfe\xaf\x0c\x18\xe3\x99\xf7\x7e\x51\xe9\x19\xff\x76\xc4\x33"
      "\xc5\xee\xe7\x9f\x4e\xfc\xa4\x47\xfc\xe7\x07\x8c\xff\xcd\x6f\xec\xee\xf6"
      "\x2a\x4b\x7f\x12\x31\xdd\xf5\xfb\x27\x79\x20\x56\xa5\xb9\xbe\x59\x69\xec"
      "\xec\x5e\x5f\x5d\x5f\x58\xa9\xae\x54\x37\xe6\xe6\x66\x5f\x9e\x7f\x65\xfe"
      "\xa5\xf9\x99\xca\xf2\x6a\xad\x9a\xff\xed\x1a\xe3\x7b\x9f\xf8\xe5\xdd\x7e"
      "\xed\xbf\xd4\x23\xfe\xd4\x21\xed\x7f\x61\xc0\xf6\xff\xff\xbd\x5b\x77\x3e"
      "\xd2\x4e\x96\xba\xc5\xbf\xfa\x7c\x97\xf8\xbf\xf9\x69\xbe\xc6\xc3\xf1\xf3"
      "\xef\xbe\xf4\xed\x3c\x9d\x95\x4f\x77\xd2\x7b\xed\xf4\xfd\x9e\xfd\xf9\x6f"
      "\x9f\xed\xd7\xfe\xa5\x1e\xed\x3f\xec\xff\x7f\x75\xc0\xf6\x5f\xfb\xda\x77"
      "\xfe\x34\xe0\xaa\x00\xc0\x09\x68\xec\xec\xae\x2d\xd4\x6a\xd5\xad\x61\x27"
      "\x0a\xc7\xb6\xe7\x23\x26\xb2\x5e\xfa\x19\xa8\xc6\x59\xfb\x58\x24\xaa\x5b"
      "\x8d\xb7\x87\xba\xc3\x34\x4d\xd3\xec\x98\x7a\x8c\xfd\x24\x71\x16\x3e\x96"
      "\x56\xe2\xb4\xcf\x4c\x00\x00\xc0\xb0\xdd\xbb\xe8\x3f\xed\x9a\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\xc5\x75\x12\x8f\x13"
      "\x3b\x18\x73\x6f\x3f\x95\x0c\xe3\x11\xda\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x43\xf1\x41"
      "\x00\x00\x00\xff\xff\xd1\x39\xdb\x0d",
      1323);
  syz_mount_image(/*fs=*/0x200000000180, /*dir=*/0x2000000001c0,
                  /*flags=MS_RDONLY|MS_MANDLOCK*/ 0x41, /*opts=*/0x200000000080,
                  /*chdir=*/0x64, /*size=*/0x52b, /*img=*/0x200000000f80);
  //  syz_mount_image$ext4 arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {65 78 74 34 00} (length 0x5)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 62 75 73 00} (length 0x6)
  //    }
  //    flags: mount_flags = 0x21081e (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 {
  //              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 {
  //              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 {
  //              bh: buffer: {62 68} (length 0x2)
  //            }
  //            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 = 0x523 (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x523)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000180, "ext4\000", 5);
  memcpy((void*)0x200000000000, "./bus\000", 6);
  memcpy((void*)0x200000000080, "i_version", 9);
  *(uint8_t*)0x200000000089 = 0x2c;
  memcpy((void*)0x20000000008a, "nogrpid", 7);
  *(uint8_t*)0x200000000091 = 0x2c;
  memcpy((void*)0x200000000092, "bh", 2);
  *(uint8_t*)0x200000000094 = 0x2c;
  *(uint8_t*)0x200000000095 = 0;
  memcpy(
      (void*)0x200000000c00,
      "\x78\x9c\xec\xdd\xcf\x6f\x1c\x57\x1d\x00\xf0\xef\x4c\xb2\xb6\x93\xb8\x75"
      "\x5a\x7a\x00\x04\x6d\x68\x0b\x01\x45\x59\xc7\x9b\xd6\xaa\x7a\x80\x72\x42"
      "\x08\x55\x42\xf4\x08\x22\x35\xf6\xc6\xb2\xbc\xeb\xb5\xbc\xeb\x52\x9b\x48"
      "\xb8\x67\xae\x48\x54\xe2\x04\x47\xfe\x00\xce\x3d\x71\xe7\x82\xe0\xc6\xa5"
      "\x1c\x90\xf8\x61\x81\x6a\x24\x0e\x53\xcd\xec\xd8\xd9\xd8\xbb\xf6\xa6\x89"
      "\xbd\x96\xf7\xf3\x91\x46\xf3\xde\xbc\xf1\x7e\xdf\x8b\x33\xef\xcd\xbc\x5d"
      "\xef\x0b\x60\x6c\xdd\x88\x88\x9d\x88\x98\x88\x88\x77\x23\x62\xa6\x3c\x9e"
      "\x94\x5b\xbc\xd5\xdd\xf2\xf3\x3e\xd9\x7d\xb0\xb8\xb7\xfb\x60\x31\x89\x2c"
      "\x7b\xe7\x5f\x49\x51\x9e\x1f\x8b\x9e\x9f\xc9\x5d\x2b\x5f\x73\x2a\x22\x7e"
      "\xf0\x9d\x88\x9f\x24\x47\xe3\xb6\xb7\xb6\x57\x17\x1a\x8d\xfa\x46\x99\x9f"
      "\xed\x34\xd7\x67\xdb\x5b\xdb\xb7\x57\x9a\x0b\xcb\xf5\xe5\xfa\x5a\xad\x36"
      "\x3f\x37\x7f\xe7\x8d\xbb\xaf\xd7\x1e\xa3\x35\x53\xc7\x96\xbe\xd4\x9c\x28"
      "\x53\x5f\xfe\xf8\x8f\x3b\xdf\xf8\x59\x5e\xad\xe9\xf2\x48\x6f\x3b\x9e\xa6"
      "\x6e\xd3\x2b\x07\x71\x72\x97\x23\xe2\x7b\xa7\x11\x6c\x04\x2e\x95\xed\x99"
      "\x18\x75\x45\xf8\x4c\xd2\x88\x78\x3e\x22\x5e\x2e\xae\xff\x99\xb8\x54\xfc"
      "\x36\x01\x80\x8b\x2c\xcb\x66\x22\x9b\xe9\xcd\x03\x00\x17\x5d\x5a\xcc\x81"
      "\x25\x69\xb5\x9c\x0b\x98\x8e\x34\xad\x56\xbb\x73\x78\x2f\xc4\xd5\xb4\xd1"
      "\x6a\x77\x6e\xdd\x6f\x6d\xae\x2d\x75\xe7\xca\xae\x47\x25\xbd\xbf\xd2\xa8"
      "\xdf\x29\xe7\x0a\xaf\x47\x25\xc9\xf3\x73\x45\xfa\x61\xbe\x76\x28\x7f\x37"
      "\x22\x9e\x8b\x88\x5f\x4e\x5e\x29\xf2\xd5\xc5\x56\x63\x69\x94\x37\x3e\x00"
      "\x30\xc6\xae\x1d\x1a\xff\xff\x3b\xd9\x1d\xff\x01\x80\x0b\xee\xf8\x8f\xcd"
      "\x00\x00\x17\x91\xf1\x1f\x00\xc6\x8f\xf1\x1f\x00\xc6\x8f\xf1\x1f\x00\xc6"
      "\x4f\x77\xfc\xbf\xf2\xb8\x3f\x96\x65\xd9\xcf\x4f\xa3\x3a\x00\xc0\x19\xf0"
      "\xfc\x0f\x00\xe3\xc7\xf8\x0f\x00\x63\xe5\xfb\x6f\xbf\x9d\x6f\xd9\x5e\xf9"
      "\xfd\xd7\x4b\xef\x6d\x6d\xae\xb6\xde\xbb\xbd\x54\x6f\xaf\x56\x9b\x9b\x8b"
      "\xd5\xc5\xd6\xc6\x7a\x75\xb9\xd5\x5a\x2e\xbe\xb3\xa7\x79\xd2\xeb\x35\x5a"
      "\xad\xf5\xb9\xd7\x62\xf3\xfd\xeb\xdf\x5c\x6f\x77\x66\xdb\x5b\xdb\xf7\x9a"
      "\xad\xcd\xb5\xce\xbd\xe2\x7b\xbd\xef\xd5\x2b\xc5\x59\x3b\x67\xd0\x32\x00"
      "\x60\x90\xe7\x5e\xfa\xe8\x2f\x49\x3e\x22\xbf\x79\xa5\xd8\xa2\x67\x2d\x87"
      "\xca\x48\x6b\x06\x9c\xb6\x74\xd4\x15\x00\x46\xe6\xd2\xa8\x2b\x00\x8c\x8c"
      "\xd5\xbe\x60\x7c\x3d\x7c\xc6\x7f\xec\x0f\x01\x98\x1e\x80\x0b\xa2\xcf\x12"
      "\xbd\x8f\x98\xea\xf7\x07\x42\x59\x96\x65\xa7\x57\x25\xe0\x94\xdd\xfc\x82"
      "\xf9\x7f\x18\x57\x3d\xf3\xff\x3e\x05\x0c\x63\xe6\xa4\xf9\xff\x62\x6d\x60"
      "\x6f\x12\xc2\x85\x64\xfe\x1f\xc6\x57\x96\x25\xc3\xae\xf9\x1f\xc3\x9e\x08"
      "\x00\x9c\x6f\xc7\xcc\xf1\x5f\x3f\xcb\xfb\x10\x60\x74\x06\xbc\xff\xff\x7c"
      "\xb9\xff\x5d\xf9\xe6\xc0\x8f\x96\x0e\x9f\xf1\xe1\x69\xd6\x0a\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\xce\xb7\xfd\xf5\x7f\xab\xe5\x32\xbf\xd3\x91\xa6\xd5\x6a\xc4"
      "\x33\xc5\x02\x40\x95\xe4\xfe\x4a\xa3\x7e\x27\x22\x9e\x8d\x88\x3f\x4f\x56"
      "\x26\xf3\xfc\xdc\x88\xeb\x0c\x00\x3c\xa9\xf4\xef\x49\xb9\xfe\xd7\xcd\x99"
      "\x57\xa7\x1f\x29\x7a\xf1\xda\x41\x72\x22\x22\x7e\xfa\xeb\x77\x7e\xf5\xfe"
      "\x42\xa7\xb3\xf1\xa7\x88\x89\xe4\xdf\x93\xfb\xc7\x3b\x1f\x96\xc7\x6b\x27"
      "\x06\x9b\x3a\x8d\x16\x00\x00\xc7\xdb\x1f\xa7\x8b\x7d\xcf\x83\xfc\x27\xbb"
      "\x0f\x16\xf7\xb7\xb3\xac\xcf\x3f\xbe\xdd\xbd\x2b\xc8\xe3\xee\xed\x4e\xc4"
      "\xde\x41\xfc\xcb\x71\xb9\xd8\x4f\x45\x25\x22\xae\xfe\x27\x29\xf3\x5d\x49"
      "\xcf\xdc\xc5\x93\xd8\xf9\x20\x22\x3e\xdf\xaf\xfd\x49\x4c\x17\x73\x20\xdd"
      "\x5b\x96\xc3\xf1\xf3\xd8\xcf\x9c\x69\xfc\xf4\x91\xf8\x69\xb9\x40\x73\x5a"
      "\xfe\x5b\x7c\xee\x29\xd4\x05\xc6\xcd\x47\x79\xff\xf3\x56\xbf\xeb\x2f\x8d"
      "\x1b\xc5\xbe\xff\xf5\x3f\x55\xf4\x50\x4f\xae\xec\xff\xf2\x97\x5a\xdc\x2b"
      "\xfa\xc0\x87\xf1\xf7\xfb\xbf\x4b\x03\xfa\xbf\x1b\xc3\xc6\x78\xed\x0f\xdf"
      "\xed\xa6\xae\x1c\x2d\xfb\x20\xe2\x8b\x97\x23\xf6\x63\xef\xf5\xf4\x3f\xfb"
      "\xf1\x93\x01\xf1\x5f\x1d\x32\xfe\x5f\xbf\xf4\xe2\xcb\x83\xca\xb2\xdf\x44"
      "\xdc\x8c\xfe\xf1\x7b\x63\xcd\x76\x9a\xeb\xb3\xed\xad\xed\xdb\x2b\xcd\x85"
      "\xe5\xfa\x72\x7d\xad\x56\x9b\x9f\x9b\xbf\xf3\xc6\xdd\xd7\x6b\xb3\xc5\x1c"
      "\xf5\xec\xe0\xd1\xe0\x9f\x6f\xde\x7a\x76\x50\x59\xde\xfe\xab\x03\xe2\x4f"
      "\x9d\xd0\xfe\xaf\x0e\xd9\xfe\xdf\xfe\xff\xdd\x1f\x7e\xe5\x98\xf8\x5f\x7f"
      "\xa5\x5f\xfc\x34\x5e\x38\x26\x7e\x3e\x26\x7e\x6d\xc8\xf8\x0b\x57\x7f\x3f"
      "\xf0\xb9\x3b\x8f\xbf\x74\xb4\xfd\xc9\x30\xbf\xff\x5b\x43\xc6\xff\xf8\x6f"
      "\xdb\x47\x96\x0d\x07\x00\x46\xa7\xbd\xb5\xbd\xba\xd0\x68\xd4\x37\x24\xc6"
      "\x34\xf1\xe3\x38\x17\xd5\x18\x2e\x91\xff\x97\x3d\x07\xd5\xe8\x9b\xf8\xd6"
      "\x59\xc5\x9a\x88\xfe\x45\xbf\x78\xa5\x7b\x4d\x1f\x2a\xca\xb2\xcf\x14\x6b"
      "\x50\x8f\xf1\x34\x66\xdd\x80\xf3\xe0\xe0\xa2\x8f\x88\xff\x8d\xba\x32\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x5f\x67\xf1\x17\x4b\xa3\x6e"
      "\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x17\xd7\xa7\x01\x00\x00\xff\xff\xf8\x4d\xd3"
      "\x43",
      1315);
  syz_mount_image(
      /*fs=*/0x200000000180, /*dir=*/0x200000000000,
      /*flags=MS_POSIXACL|MS_SYNCHRONOUS|MS_RELATIME|MS_NOSUID|0x80c*/ 0x21081e,
      /*opts=*/0x200000000080, /*chdir=*/1, /*size=*/0x523,
      /*img=*/0x200000000c00);
  //  openat arguments: [
  //    fd: fd_dir (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: open_flags = 0x181242 (4 bytes)
  //    mode: open_mode = 0x148 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000180, "./file1\000", 8);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000180ul,
          /*flags=O_TRUNC|O_SYNC|O_CREAT|O_CLOEXEC|O_RDWR*/ 0x181242,
          /*mode=S_IXGRP|S_IXUSR|S_IRUSR*/ 0x148);
}
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;
}