// https://syzkaller.appspot.com/bug?id=04c4bbcfcf27e23e543489077d32b401a381d33b
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <setjmp.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/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

//% 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;
}

uint64_t r[1] = {0xffffffffffffffff};

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;
  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 32 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x404 (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 {
  //              block_validity: buffer: {62 6c 6f 63 6b 5f 76 61 6c 69 64 69
  //              74 79} (length 0xe)
  //            }
  //            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 = 0x44e (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x44e)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000040, "ext4\000", 5);
  memcpy((void*)0x2000000001c0, "./file2\000", 8);
  memcpy((void*)0x200000000000, "block_validity", 14);
  *(uint8_t*)0x20000000000e = 0x2c;
  *(uint8_t*)0x20000000000f = 0;
  memcpy(
      (void*)0x200000000cc0,
      "\x78\x9c\xec\xdc\xcb\x6f\x1b\xc5\x1f\x00\xf0\xef\xda\x49\xfb\xeb\xeb\x97"
      "\x50\x95\x47\x1f\x40\xa0\x45\x54\x3c\x92\x26\x2d\xa5\x07\x0e\x80\x40\xe2"
      "\x00\x12\x12\x1c\xca\xd1\x24\x69\x55\xea\x36\xa8\x09\x12\xad\x2a\x28\x08"
      "\x95\x23\xaa\xc4\x1d\x71\x44\xe2\x2f\xe0\x04\x17\x44\x39\x21\x21\x6e\x70"
      "\x47\x95\x2a\x94\x4b\x0b\x27\xa3\xb5\xd7\x89\xed\xd8\x4e\xed\xda\x71\x8a"
      "\x3f\x1f\x69\xeb\x99\xdd\x69\x66\xbe\xde\x1d\x7b\x66\x27\x9b\x00\x86\xd6"
      "\x44\xfa\x4f\x12\xb1\x33\x22\x7e\x8f\x88\xb1\x4a\xb6\xbe\xc0\x44\xe5\xe5"
      "\xf6\xf2\xe5\xd9\xbf\x97\x2f\xcf\x26\x51\x2a\xbd\xf5\x57\x52\x2e\x77\x6b"
      "\xf9\xf2\x6c\xb5\xe8\x8b\xd9\xeb\x8e\xec\x67\xc6\x48\x44\xee\xb3\x24\xf6"
      "\x37\xa9\x77\xf1\xe2\xa5\xb3\x85\x62\x71\xfe\x42\x96\x9f\x5a\x3a\xf7\xfe"
      "\xd4\xe2\xc5\x4b\xcf\x9e\x39\x57\x38\x3d\x7f\x7a\xfe\xfc\xcc\x89\x13\xc7"
      "\x8e\x4e\x3f\x7f\x7c\xe6\xb9\x9e\xc4\x99\xc6\x75\x6b\xdf\x47\x0b\x07\xf6"
      "\xbe\xf6\xce\xb5\x37\x66\x4f\x5e\x7b\xf7\xfa\xb7\x49\x35\xfe\x86\x38\x7a"
      "\x64\xa2\xdd\xc1\x27\x4a\xa5\x1e\x57\x37\x58\xbb\x6a\xd2\xc9\xc8\x00\x1b"
      "\x42\x47\xf2\x95\x6e\x1a\xa3\xe5\xfe\x3f\x16\xf9\x58\x3d\x79\x63\xf1\xea"
      "\xa7\x03\x6d\x1c\xd0\x57\xa5\x52\xa9\xf4\x40\xeb\xc3\x57\x4a\xc0\x7f\x58"
      "\x12\x83\x6e\x01\x30\x18\xd5\x2f\xfa\x74\xfe\x5b\xdd\x36\x68\xe8\xb1\x29"
      "\xdc\x7c\xa9\x32\x01\x4a\xe3\xbe\x9d\x6d\x95\x23\x23\x91\xcb\xca\x8c\x36"
      "\xcc\x6f\x7b\x69\x22\x22\x4e\x5e\xf9\xe7\xab\x74\x8b\xfe\xdc\x87\x00\x00"
      "\xa8\xf3\x7d\x3a\xfe\x79\xa6\xd9\xf8\x2f\x17\xb5\xf7\x85\xfe\x9f\xad\xa1"
      "\x8c\x47\xc4\x7d\x11\xb1\x3b\x22\x8e\x47\xc4\x9e\x88\xb8\x3f\xa2\x5c\xf6"
      "\xc1\x88\x78\xa8\xc3\xfa\x1b\x17\x49\xd6\x8e\x7f\x72\x37\xba\x0a\xec\x0e"
      "\xa5\xe3\xbf\x17\xb2\xb5\xad\xfa\xf1\x5f\x75\xf4\x17\xe3\xf9\x2c\xb7\xab"
      "\x1c\xff\x68\x72\xea\x4c\x71\xfe\x48\xe5\x3d\xf9\xed\x50\xc4\xd6\x34\x3f"
      "\xdd\xa6\x8e\x1f\x5e\xf9\xf5\x8b\x56\xc7\x6a\xc7\x7f\xe9\x96\xd6\x5f\x1d"
      "\x0b\x66\xed\xb8\x31\xb2\xb5\xfe\xff\xcc\x15\x96\x0a\x77\x13\x73\xad\x9b"
      "\x9f\x44\xec\x1b\x69\x16\x7f\xb2\xb2\x12\x90\x44\xc4\xde\x88\xd8\xd7\x65"
      "\x1d\x67\x9e\xfa\xe6\x40\xab\x63\xeb\xc7\xdf\x46\x0f\xd6\x99\x4a\x5f\x47"
      "\x3c\x59\x39\xff\x57\xa2\x21\xfe\xaa\xa4\xfd\xfa\xe4\xd4\xff\xa2\x38\x7f"
      "\x64\xaa\x7a\x55\xac\xf5\xf3\x2f\x57\xdf\x6c\x55\x7f\x67\xf1\x8f\xde\x6d"
      "\xb8\x6b\xa4\xe7\x7f\x7b\xd3\xeb\x7f\x25\xfe\xf1\xa4\x76\xbd\x76\xb1\xf3"
      "\x3a\xae\xfe\xf1\x79\xcb\x39\x4d\xb7\xd7\xff\x96\xe4\xed\xba\x7d\x1f\x16"
      "\x96\x96\x2e\x4c\x47\x6c\x49\x5e\xaf\x34\xba\x76\xff\x4c\x43\xb9\x99\xd5"
      "\xf2\x69\xfc\x87\x0f\x36\xef\xff\xbb\x63\xf5\x9d\xd8\x1f\x11\xe9\x45\xfc"
      "\x70\x44\x3c\x12\x11\x8f\x66\x6d\x7f\x2c\x22\x1e\x8f\x88\x83\x6d\xe2\xff"
      "\xe9\xe5\x43\xef\x75\x1f\x7f\x7f\xa5\xf1\xcf\x75\x74\xfe\x57\x13\x5b\xa2"
      "\x71\x4f\x93\xc4\xc1\x28\xe6\xcf\xfe\xf8\x5d\x5d\xa5\xe3\x9d\xc4\x9f\x9e"
      "\xff\x63\xe5\xd4\xe1\x6c\xcf\x9d\x7c\xfe\xad\xdb\xae\xae\xaf\x66\x00\x00"
      "\x00\xb8\xf7\xe4\x22\x62\x67\x24\xb9\xc9\x95\x74\x2e\x37\x39\x59\xf9\x1d"
      "\xfe\x3d\xb1\x3d\x57\x5c\x58\x5c\x7a\xfa\xd4\xc2\x07\xe7\xe7\x2a\xcf\x08"
      "\x8c\xc7\x68\xae\x7a\xa7\x6b\xac\xe6\x7e\xe8\x74\x36\xad\xaf\xe6\x67\x1a"
      "\xf2\x47\xb3\xfb\xc6\x5f\xe6\xb7\x95\xf3\x93\xb3\x0b\xc5\xb9\x41\x07\x0f"
      "\x43\x6e\x47\x8b\xfe\x9f\xfa\x33\x3f\xe8\xd6\x01\x7d\xd7\xfd\x3a\x5a\xef"
      "\x17\xa4\x80\x8d\xe5\x79\x4d\x18\x5e\xfa\x3f\x0c\x2f\xfd\x1f\x86\x57\x93"
      "\xfe\xbf\x6d\x10\xed\x00\x36\x5e\xb3\xef\xff\x8f\x07\xd0\x0e\x60\xe3\x35"
      "\xf4\x7f\xcb\x7e\x30\x44\xcc\xff\x61\x78\xe9\xff\x30\xbc\xf4\x7f\x18\x4a"
      "\x8b\xdb\x62\xfd\x87\xe4\x87\x27\x71\xbd\x70\x64\xf7\x26\x68\xc6\xbd\x90"
      "\x88\xdc\xa6\x68\x86\x44\x9f\x12\x6d\x3f\x36\x16\xfa\xf5\xf7\x30\x01\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7a\xed\xdf\x00\x00\x00\xff\xff"
      "\xf6\x76\xe7\x6a",
      1102);
  syz_mount_image(/*fs=*/0x200000000040, /*dir=*/0x2000000001c0,
                  /*flags=MS_NODEV|MS_NOATIME*/ 0x404, /*opts=*/0x200000000000,
                  /*chdir=*/1, /*size=*/0x44e, /*img=*/0x200000000cc0);
  //  chdir arguments: [
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
  //    }
  //  ]
  memcpy((void*)0x200000000240, "./file0\000", 8);
  syscall(__NR_chdir, /*dir=*/0x200000000240ul);
  //  openat$dir arguments: [
  //    fd: const = 0xffffffffffffff9c (8 bytes)
  //    file: ptr[in, buffer] {
  //      buffer: {2e 00} (length 0x2)
  //    }
  //    flags: open_flags = 0x0 (4 bytes)
  //    mode: open_mode = 0x0 (2 bytes)
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000500, ".\000", 2);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul,
                /*file=*/0x200000000500ul, /*flags=*/0, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  lseek arguments: [
  //    fd: fd (resource)
  //    offset: intptr = 0xfffffffffffffffc (8 bytes)
  //    whence: seek_whence = 0x2 (8 bytes)
  //  ]
  syscall(__NR_lseek, /*fd=*/r[0], /*offset=*/0xfffffffffffffffcul,
          /*whence=SEEK_END*/ 2ul);
  //  getdents arguments: [
  //    fd: fd_dir (resource)
  //    ent: nil
  //    count: len = 0x54 (8 bytes)
  //  ]
  syscall(__NR_getdents, /*fd=*/r[0], /*ent=*/0ul, /*count=*/0x54ul);
  return 0;
}