// https://syzkaller.appspot.com/bug?id=17dcff7ce036d224f3d053ae021c5b1a12658820
// 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");
  }
  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[3] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  const char* reason;
  (void)reason;
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x20000040, "nilfs2\000", 7);
  memcpy((void*)0x20000300, "./file0\000", 8);
  memcpy(
      (void*)0x20001100,
      "\x78\x9c\xec\xdd\x4d\x8c\x5b\x47\x01\x00\xe0\xb1\x77\xbd\xc9\x26\x29\x71"
      "\x4a\x42\x97\x34\xb4\x09\x85\xb6\xfc\x74\xd3\x6c\x96\xf0\x13\x41\x52\x25"
      "\x42\x22\x6a\x2a\xc4\xa5\x52\xc5\x25\x4a\xd3\x12\x11\x82\x44\x91\x80\xaa"
      "\x12\x49\x4e\xdc\x68\x55\x05\x89\x13\x3f\xe2\xd4\x4b\x55\x10\x12\xbd\xa0"
      "\xa8\x27\x2e\x95\x68\xa4\x0a\xa9\xa7\xc2\x81\x03\x51\x10\x95\x38\x40\x20"
      "\x71\x15\xef\x8c\xd7\x9e\xd8\x7d\xb6\xb3\xeb\x67\xc7\xdf\x27\x8d\xc7\xf3"
      "\xe6\x3d\xcf\xbc\xe7\xe7\xe7\xf7\x3b\x13\x80\xa9\x55\x6d\xbe\x2e\x2f\x2f"
      "\x54\x42\xb8\xf8\xfa\xcb\x47\xff\xf1\xe0\xdf\xe7\x6f\x0e\x39\xd4\x1a\xa3"
      "\xde\x7c\x9d\x6d\x4b\xd5\x42\x08\x95\x98\x9e\xcd\x3e\xef\xdd\x99\x95\xf8"
      "\xfa\x7b\x2f\x9c\xec\x16\x57\xc2\x52\xf3\x35\xa5\xc3\x13\x57\x5b\xd3\x6e"
      "\x0e\x21\x9c\x0b\xbb\xc3\xa5\x50\x0f\x3b\x2f\x5e\x7e\xe9\xcd\xa5\xc7\x8f"
      "\x9f\x3f\x76\x61\xcf\x5b\xaf\x1c\xbc\xb2\x3e\x73\x0f\x00\x00\xd3\xe5\xeb"
      "\x97\x0e\x2e\xef\xf8\xeb\x9f\xef\xdd\x76\xed\xd5\xfb\x0e\x87\x0d\xad\xe1"
      "\x69\xff\xbc\x1e\xd3\x5b\xe2\x7e\xff\xe1\xb8\xe3\x9f\xf6\xff\xab\xa1\x33"
      "\x5d\x69\x0b\xed\xe6\xb2\xf1\x66\x63\xa8\xce\x77\x8e\x37\xd3\x65\xbc\xf6"
      "\x72\x6a\xd9\x78\xb3\x3d\xca\x9f\xcb\xca\xaf\xf5\x18\x6f\x43\xf8\xe0\xf2"
      "\x67\xda\x86\x75\x9b\x6f\x98\x64\x69\x3d\xae\x87\x4a\x75\xb1\x23\x5d\xad"
      "\x2e\x2e\xae\x1c\x93\x87\xe6\x71\xfd\x5c\x65\xf1\xec\xe9\x33\xcf\x3c\x57"
      "\x52\x45\x81\x35\xf7\xef\xfb\x43\x08\xbb\xdb\xc2\x91\x0b\x9d\xe9\x71\x0b"
      "\x87\xc6\xa0\x0e\x43\x86\xc6\x18\xd4\x61\x22\xc3\xe1\xd1\x95\x75\xad\xb1"
      "\xa2\xf4\x79\x1e\x51\x68\x6c\x2d\x7b\x0b\x04\xb0\x22\xbf\x5e\x78\x8b\x73"
      "\xf9\x99\x85\xdb\xd3\xfa\xb4\xd9\xfe\xca\xbf\xfa\x58\xb5\xfb\xf4\xb0\x06"
      "\x46\xbd\xfe\x0f\x54\xfe\x5c\xc9\xe5\x07\xe5\xff\xe6\xbc\x2d\x0e\x6b\xe7"
      "\x4e\x5d\x9b\xd2\x7c\xa5\xdf\xd1\x96\x98\xce\xaf\x23\xe4\xf7\x2f\xf5\xfe"
      "\xfd\xe5\x57\x3a\x3a\x87\xe6\xd7\x23\x6a\x7d\xd6\xb3\xd7\x75\x84\x49\xb9"
      "\xbe\xd0\xab\x9e\x33\x23\xae\xc7\xb0\x7a\xd5\x3f\x5f\x2f\xee\x54\x5f\x8e"
      "\x71\x5a\x0e\x5f\xc9\xf2\xdb\x7f\x3f\xf9\x77\x3a\x29\xdf\x31\xd0\xdd\x7f"
      "\xf2\xf3\xff\x82\x20\x8c\x77\x08\x1d\xe9\xda\xed\x7c\x56\xa3\xe4\xed\x0f"
      "\x30\xbe\xf2\xfb\xe6\x1a\xe9\xfa\x68\x94\xdf\xd7\x97\xe7\x6f\x28\xc8\xdf"
      "\x58\x90\x3f\x5f\x90\xbf\xa9\x20\x7f\x73\x41\x3e\x4c\xb3\xdf\x7d\xff\xa7"
      "\xe1\xc5\xca\xea\x71\x7e\x7e\x4c\x3f\xe8\xf9\xf0\x74\x9e\xed\xae\x18\x7f"
      "\x68\xc0\xfa\xe4\xe7\x23\x07\x2d\x3f\xbf\xef\x77\x50\xb7\x5b\x7e\x7e\x3f"
      "\x31\x8c\xb3\x3f\x9c\x78\xf2\xd4\x17\x9e\x7e\xea\xf2\xca\xfd\xff\x95\xd6"
      "\xfa\x7f\x23\xae\xef\xe9\x70\xa3\x1e\x7f\x5b\x97\xe2\x08\xe9\x7c\x61\x7e"
      "\x5e\xbd\x75\xef\x7f\xbd\xb3\x9c\x6a\x8f\xf1\xee\xce\xea\x73\x57\x97\xf1"
      "\x9b\xef\xb7\x77\x8e\x57\xd9\xbe\xfa\x39\xa1\x6d\x3b\x73\x4b\x3d\x16\x3a"
      "\xa7\xdb\xda\x6b\xbc\x5d\x9d\xe3\xd5\xb3\xf1\xe6\x63\xd8\x98\xd5\x37\xdf"
      "\x3f\xd9\x94\x4d\x97\xf6\x3f\xd2\x76\x35\x2d\xaf\xd9\x6c\x7e\x6b\xd9\x7c"
      "\xcc\x65\xf5\x48\xdb\x95\x6d\x31\xce\xeb\x01\xc3\x48\xeb\x63\xaf\xfb\xff"
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      "\x79\xfe\x3d\xd9\xe7\xe6\xfd\x03\x2f\x14\xe4\x7f\xb4\x20\x7f\x67\xf7\xfc"
      "\xd6\x61\xfb\xbd\x05\xd3\xef\x2a\xc8\xff\x58\x41\xfe\x9e\x56\xfe\xa1\x8e"
      "\x31\x52\xfe\x7d\x05\xd3\xdf\x5f\x90\x7f\x77\x41\xfe\x03\x05\xf9\x9f\x28"
      "\xc8\xff\x64\x41\xfe\x83\x05\xf9\x0f\xb7\xe5\xb7\xf7\x01\x9d\xf2\x3f\x55"
      "\x30\xfd\x9d\x2e\x3d\x8f\x32\xad\xf3\x0f\xd3\x2c\x7f\x3e\xcf\xef\x1f\xa6"
      "\x47\xba\xfe\xd3\xeb\xf7\xbf\xbd\x20\x1f\x98\x5c\x3f\x7b\x75\xdf\x91\xa7"
      "\x7e\xfb\xcd\xfa\xca\xf3\xff\x73\xad\xf3\x21\xe9\x3a\xde\xe1\x98\xae\xc5"
      "\xe3\xa7\x1f\xc6\x74\x7e\xdd\x3b\xb4\xa5\x6f\xe6\xbd\x11\xd3\x7f\xcb\xf2"
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      "\xfb\xbc\xfc\xbe\x61\x0a\x55\x36\x76\x1f\x1c\xe3\xa2\x76\xab\x7a\xed\xe7"
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      "\x5b\xb3\xfc\x7e\xef\x27\xcf\x9f\x07\xea\x68\x27\x2a\x84\xb0\xbf\xcf\xfa"
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      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x94\xa6\xda\x7c\x5d\x5e\x5e\xa8\x84\x70\xf1\xf5\x97"
      "\x8f\x3e\x79\xfc\xf4\xde\x9b\x43\x0e\xb5\xc6\xa8\x37\x5f\x67\xdb\x52\xb5"
      "\xd6\x74\x21\x3c\x1a\xe3\x99\x18\xff\x32\xbe\xb9\xfe\xde\x0b\x27\xdb\xe3"
      "\x1b\x31\xae\x84\xa5\x50\x09\x95\xd6\xf0\xf0\xc4\xd5\x56\x49\x9b\x43\x08"
      "\xe7\xc2\xee\x70\x29\xd4\xc3\xce\x8b\x97\x5f\x7a\x73\xe9\xf1\xe3\xe7\x8f"
      "\x5d\xd8\xf3\xd6\x2b\x07\xaf\xac\xdf\x12\x00\x00\x00\x80\x3b\xdf\xfb\x01"
      "\x00\x00\xff\xff\x07\xae\x0f\x14",
      2726);
  syz_mount_image(/*fs=*/0x20000040, /*dir=*/0x20000300, /*flags=*/0,
                  /*opts=*/0x200002c0, /*chdir=*/1, /*size=*/0xaa6,
                  /*img=*/0x20001100);
  res = syscall(__NR_socket, /*domain=AF_NETLINK*/ 0x10ul,
                /*type=SOCK_DGRAM*/ 2ul, /*proto=*/0);
  if (res != -1)
    r[0] = res;
  *(uint32_t*)0x20cab000 = 0xc;
  res = syscall(__NR_getsockopt, /*fd=*/r[0], /*level=*/1, /*optname=*/0x11,
                /*optval=*/0x20caaffbul, /*optlen=*/0x20cab000ul);
  if (res != -1)
    r[1] = *(uint32_t*)0x20caafff;
  syscall(__NR_setfsuid, /*fsuid=*/r[1]);
  memcpy((void*)0x20000140, "./file0\000", 8);
  memcpy((void*)0x20000380, "overlay\000", 8);
  memcpy((void*)0x200003c0, "lowerdir", 8);
  *(uint8_t*)0x200003c8 = 0x3d;
  memcpy((void*)0x200003c9, "./file0", 7);
  *(uint8_t*)0x200003d0 = 0x3a;
  *(uint8_t*)0x200003d1 = 0x2f;
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x20000140ul, /*type=*/0x20000380ul,
          /*flags=*/0ul, /*opts=*/0x200003c0ul);
  memcpy((void*)0x200001c0, "./file0\000", 8);
  syscall(__NR_chdir, /*dir=*/0x200001c0ul);
  memcpy((void*)0x20000080, "./file0\000", 8);
  res = syscall(__NR_open, /*file=*/0x20000080ul, /*flags=*/0ul, /*mode=*/0ul);
  if (res != -1)
    r[2] = res;
  syscall(__NR_mmap, /*addr=*/0x20ffc000ul, /*len=*/0x4000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_PRIVATE*/ 0x12ul, /*fd=*/r[2], /*offset=*/0ul);
  return 0;
}