// https://syzkaller.appspot.com/bug?id=6247ad40f3aa036fa257dc6052f7ca87bd224ae6
// 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[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

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;
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x200000000240, "ext4\000", 5);
  memcpy((void*)0x200000000280, "mnt\000", 4);
  memcpy((void*)0x200000000040, "usrjquota=", 10);
  *(uint8_t*)0x20000000004a = 0x2c;
  memcpy((void*)0x20000000004b, "bsddf", 5);
  *(uint8_t*)0x200000000050 = 0x2c;
  *(uint8_t*)0x200000000051 = 0;
  memcpy(
      (void*)0x200000000940,
      "\x78\x9c\xec\xdd\x3f\x68\x14\x59\x1c\x07\xf0\xdf\xcc\xee\x5e\x2e\xc9\x72"
      "\xe4\xee\x9a\x83\x83\xbb\x83\xe3\x38\xee\x02\x21\xd7\x1d\xd8\xc4\x46\x21"
      "\x20\x21\x88\x08\x2a\x44\x44\x6c\x94\x44\x88\x09\x76\x89\x95\x8d\x85\xd6"
      "\x2a\xa9\x6c\x82\xd8\x19\xad\xd3\x04\x1b\x45\xb0\xf2\x4f\x8a\xd8\x08\x1a"
      "\x2c\x0c\x16\x5a\xac\xec\x4e\x22\xd1\x6c\x30\x71\x37\xbb\x92\xf9\x7c\x60"
      "\xd8\x99\xd9\x79\xef\xf7\x86\x9d\xef\xdb\x6d\x66\x36\x80\xdc\xea\x89\x88"
      "\x81\x88\x28\x44\x44\x6f\x44\x94\x22\x22\x59\x7f\xc0\x1f\xd9\xd2\xb3\xba"
      "\x39\xd3\xb9\x30\x12\x51\xa9\x1c\x7c\x9d\xd4\x8e\xcb\xb6\x33\x6b\xed\xba"
      "\x23\x62\x3a\x22\xfe\x8f\x88\xf9\x34\x89\xd3\xc5\x88\xc9\xb9\xa3\x4b\x6f"
      "\x1f\xef\xff\xfb\xd2\x44\xe9\xaf\x1b\x73\x47\x3a\x5b\x7a\x92\xab\x96\x97"
      "\x16\x0f\xac\x5c\x1f\xba\x78\x7b\xf0\xbf\xc9\x07\x8f\x5e\x0e\x25\x31\x10"
      "\xe5\x4f\xce\xab\xf9\x92\x3a\xfb\x8a\x49\xc4\x4f\x3b\x51\xec\x1b\x91\x14"
      "\xdb\x3d\x02\xb6\x62\xf8\xfc\xad\x27\xd5\xdc\xff\x1c\x11\x7f\xd6\xf2\x5f"
      "\x8a\x34\xb2\x0f\xef\xf2\xf8\x77\xf3\xa5\xf8\xf7\xda\x66\x6d\xaf\xbc\x7a"
      "\xf8\x6b\x2b\xc7\x0a\x34\x5f\xa5\x52\xaa\x7e\x07\x4e\x57\x80\xdc\x49\x23"
      "\xa2\x1c\x49\xda\x17\x11\xd9\x7a\x9a\xf6\xf5\x65\xbf\xe1\x9f\x16\xba\xd2"
      "\x33\x63\xe3\xe7\x7a\x4f\x8d\x4d\x8c\x9e\x6c\xf7\x4c\x05\x34\x4b\x39\x62"
      "\x71\xdf\xdd\x8e\x3b\xdd\x9f\xe5\xff\x45\x21\xcb\x3f\xb0\x7b\x55\xf3\x7f"
      "\x68\x78\xf6\x59\x75\x7d\xa5\xd0\xee\xd1\x00\xad\x54\xcd\x7f\xef\xf1\xa9"
      "\x7f\x42\xfe\x21\x77\xe4\x1f\xf2\x4b\xfe\x21\xbf\xe4\x1f\xf2\x4b\xfe\x21"
      "\xbf\xe4\x1f\xf2\x4b\xfe\x61\xd7\xf8\x7e\xbb\x0d\xe4\x1f\xf2\x4b\xfe\x21"
      "\xbf\xe4\x1f\xf2\x6b\x7d\xfe\x01\x80\x7c\xa9\x74\xb4\xfb\x0e\x64\xa0\x5d"
      "\xda\x3d\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x1b\xcd\x74\x2e\x8c\xac\x2d\xad\xaa\x79\xef\x6a\xc4\xf2\xde\x88\x28\xd6"
      "\xab\x5f\xa8\xfd\x1f\xf1\xda\xa3\x4d\xbb\xde\x24\xd5\xc3\x3e\x4a\xb2\x66"
      "\x0d\x39\xf6\x7b\x83\x1d\x34\xe8\xe6\x0e\xde\x7d\xbd\x95\x47\xba\xfd\xf0"
      "\x7c\xe7\xea\x6f\xc5\xfd\xdf\x9a\xd9\x5b\x79\xdb\x2d\xa6\x46\x23\xa6\x2f"
      "\x44\x44\x7f\xb1\xb8\xf1\xfa\x4b\x56\xaf\xbf\xaf\xf7\xe3\x17\xde\x2f\x9d"
      "\x68\xb0\x40\x83\xf6\x1c\x6e\x6f\xfd\xf7\xb3\xad\xab\x55\xaa\xb3\x6f\xb0"
      "\x92\x64\x2b\xfd\xf5\xe6\x9f\x34\x7e\xa9\xbd\xd6\x9f\x7f\xca\x9b\xf4\xb9"
      "\x1d\x67\xdf\x35\xd8\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\x2d\xf3\x21"
      "\x00\x00\xff\xff\xe3\x36\x6c\x6a",
      584);
  syz_mount_image(/*fs=*/0x200000000240, /*dir=*/0x200000000280,
                  /*flags=MS_STRICTATIME*/ 0x1000000, /*opts=*/0x200000000040,
                  /*chdir=*/0, /*size=*/0x248, /*img=*/0x200000000940);
  memcpy((void*)0x200000000200, "mnt/encrypted_dir\000", 18);
  syscall(__NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x200000000200ul,
          /*mode=*/0ul);
  memcpy((void*)0x200000000140, "./bus\000", 6);
  res = syscall(__NR_creat, /*file=*/0x200000000140ul, /*mode=S_IWUSR*/ 0x80ul);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x200000000380, "/dev/loop", 9);
  *(uint8_t*)0x200000000389 = 0x30;
  *(uint8_t*)0x20000000038a = 0;
  memcpy((void*)0x200000000180, "./bus\000", 6);
  syscall(
      __NR_mount, /*src=*/0x200000000380ul, /*dst=*/0x200000000180ul,
      /*type=*/0ul,
      /*flags=MS_UNBINDABLE|MS_POSIXACL|MS_REC|MS_SYNCHRONOUS|MS_SILENT|0x601004*/
      0x63d014ul, /*data=*/0ul);
  memcpy((void*)0x200000000080, "./bus\000", 6);
  res = syscall(__NR_open, /*file=*/0x200000000080ul,
                /*flags=O_SYNC|O_NOCTTY|O_DIRECT|O_CLOEXEC|O_RDWR*/ 0x185102ul,
                /*mode=*/0ul);
  if (res != -1)
    r[1] = res;
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x800000ul,
          /*prot=PROT_WRITE*/ 2ul,
          /*flags=MAP_STACK|MAP_POPULATE|MAP_FIXED|MAP_SHARED*/ 0x28011ul,
          /*fd=*/r[1], /*offset=*/0ul);
  memcpy((void*)0x200000000100, "squashfs\000", 9);
  memcpy((void*)0x200000000780, "./bus\000", 6);
  sprintf((char*)0x200000004380, "%023llo", (long long)r[0]);
  memcpy(
      (void*)0x200000004397,
      "\x32\x2d\x68\x25\xfe\x8c\xf7\x05\x0c\xed\xff\xff\x3c\x57\xc8\x6c\x0b\x18"
      "\xfa\x14\xeb\x85\x4c\x5c\x2e\x26\xda\x31\x4f\x1c\xae\x65\x5a\xa1\x3f\x05"
      "\xab\xe7\x01\xb2\x2a\x5d\x78\x01\xc5\x60\xff\xca\xa7\xa9\xdd\x43\xed\xce"
      "\x15\x70\x07\x2b\x0e\xf8\x62\x67\x96\x90\xe4\x1a\x47\xe8\x7f\x45\x1a\xff"
      "\xc3\x18\xd2\xe0\x1f\xa6\xe0\x62\x18\x6d\xe7\x96\x64\xac\x21\xbb\x47\x86"
      "\x92\x3b\x19\xc2\x5c\x8a\x11\xb1\x76\xa7\xa3\xef\x14\x25\xb6\xd5\xe0\xc9"
      "\xef\x15\xbd\x14\xe3\xc9\xd3\x0f\xb2\x4d\x50\xb5\x12\xaf\xb6\xab\x04\x79"
      "\x45\x71\xf1\xb5\x3a\xe1\xa1\xd0\xf8\x7c\x76\x23\x9c\x9f\x67\x00\xed\x8f"
      "\x08\xcb\xdb\x13\x7c\xad\x29\x01\x20\x9b\x2c\x77\xc4\x66\x08\xd3\x98\x43"
      "\x52\x33\xcd\xf1\x3d\x5d\x7a\x7f\x68\x30\x4c\xc8\x95\x6b\xda\x78\xa6\x2e"
      "\x38\x72\xbc\xee\x78\xcf\xee\xe8\xc6\x05\x1b\xbe\x24\x70\xc9\x64\x6c\xfe"
      "\x93\x43\xa0\x22\xb0\x61\x8c\xe4\x22\xf2\x10\xc2\x75\xb3\x5d\xf1\x50\x7d"
      "\x54\xb5\x1f\x86\xf9\xf3\x29\x0a\x0f\xf8\xbd\x1b\xa8\x12\x83\x62\x52\x17"
      "\x9d\x36\x56\x53\x6b\x3a\x23\xac\x27\xbb\x81\x0f\x78\xec\xba\x4a\x27\x7a"
      "\xd5\x54\x0a\x76\x7b\xb0\x71\x51\xed\x89\x29\x73\xdf\xd0\xeb\x7b\xa7\xf8"
      "\xf7\xec\x08\x21\x92\x7a\x58\x78\x70\x96\xa9\x5b\x01\x0e\xbc\x1d\xf7\x15"
      "\x15\x0b\xfa\x78\xe6\x3e\xed\x7e\x8e\xb3\x3f\x0e\xa0\x27\x7f\xb3\xeb\x31"
      "\xc9\xcd\x23\x3c\x14\xab\x7f\xc9\xc7\x95\x7d\xfb\xb8\x65\x08\x2a",
      322);
  *(uint64_t*)0x2000000044d9 = r[0];
  sprintf((char*)0x2000000044e1, "%023llo", (long long)r[0]);
  sprintf((char*)0x2000000044f8, "0x%016llx", (long long)r[1]);
  sprintf((char*)0x20000000450a, "0x%016llx", (long long)-1);
  *(uint16_t*)0x20000000451c = 0;
  *(uint32_t*)0x20000000451e = r[0];
  sprintf((char*)0x200000004522, "0x%016llx", (long long)-1);
  sprintf((char*)0x200000004534, "0x%016llx", (long long)-1);
  *(uint8_t*)0x200000004546 = -1;
  memcpy(
      (void*)0x200000004547,
      "\x17\x12\x63\xd5\x9f\x8c\xbf\xfd\x0f\x9f\x9a\x2e\xf9\xa5\xf6\xf2\xc8\xc1"
      "\x19\xf2\xd4\x39\x29\xf3\xee\x0d\x85\x5e\x75\x15\xbc\x34\x7d\x06\x20\x16"
      "\x37\xef\xc6\x96\x51\x50\x95\xee\x16\x03\x4c\x8e\xd8\xbd\xc0\xc0\xfd\x6e"
      "\xc7\xdc\x41\xf9\x93\x0a\x8b\x24\x20\x72\x2f\x76\xfa\xf7\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x29\xc9\x33\x01\x67\xf2\x31\x92\x67\x12\xda\x08\xcf\xe3"
      "\x4b\xfb\xd1\x3b\x1f\x10\xc3\x41\x04\xfe\x0a\xf2\x26\xf5\x18\x05\xce\x2a"
      "\xe0\xe3\x52\x85\x44\xa8\xd3\x16\xb2\xb3\x99\x73\x74\x07\xcc\xf5\x66\x65"
      "\xb4\xa2\x7e\x5f\x8c\x98\x56\xd2\x9a\xed\x79\x6e\xd0\xd8\xe5\x1b\x62\x53"
      "\x07\x4b\xff\xf7\xd1\x19\x10\xa8\xbe\x99\x47\x80\x29\x8b\xcf\x31\x17\x6d"
      "\x21\xc3\x52\x74\xc3\x2f\x39\x67\x3c\xc6\x39\xe0\xa3\xf7\x60\x5e\xbb\xa0"
      "\x65\xc3\xc8\x79\xdd\x25\xd3\x92\x27\x61\x1c\xb5\x96\xab\xbc\x90\x1d\x77"
      "\x78\xbc\x7c\x28\xf9\x74\xc0\x94\x17\x86\x14\x15\x82\x32\x2a\xac\x67\x3d"
      "\x4c\x11\x30\x26\xae\xd1\x58\x5a\x83\x93\x24\x73\xe6\x79\xc4\x79\x24\x4e"
      "\x3d\x9a\x49\x4d\x54\x58\xf0\x2c\xe5\xa8\x4c\x1c\xc8\x11\x8b\x83\xc5\x77"
      "\x36\xeb\x3e\xb2\x51\x8d\xd3\x42\xd5\xb0\xd6\x62\x06\x3f\xae\xe3\xcc\x94"
      "\x6a\x91\x08\x27\xa7\xde\x02\x86\xda\xfa\x18\x39\x70\x6c\x6e\x5b\x30\x52"
      "\x31\xdd\x59\xae\x32\x2e\x47\x52\xe7\x11\xfe\xb4\xf4\xda\xf1\x11\xca\xe0"
      "\xca\xab\x60\xbd\x60\x88\xb5\x5b\xcb\x45\x6f\x1a\xd9\xc1\x43\x00\x5c\x3d"
      "\xd8\x34\x30\x92\x24\xb5\x88\xb0\xdd\xa0\x54\xd1\x4d\x8c\xb3\x44\xbe\x2e"
      "\x8c\x55\x1a\x5c\xdf\x4e\x51\x0d\x21\x56\xd2\xf2\xa3\xad\x7a\x31\xfc\x53"
      "\x72\xdc\x3e\x6f\x6e\xc5\x70\x93\x3e\xb4\x76\x9c\x38\xe2\x30\x0f\x3e\xcf"
      "\x8f\xbf\x06\xa0\xdf\x8c\x6a\x76\xc2\x73\xb8\xed\x46\xa8\x90\xd0\x7e\x17"
      "\x5e\x0c\x4a\x49\x74\x3b\xb4\x33\xcc\x5a\xa2\x0b\x02\x04\x60\x64\x49\x5b"
      "\x07\x09\x5a\x66\x51\xde\x25\x37\xc1\x24\x59\xe2\xa0\x6c\x72\xa6\xb8\x52"
      "\xfe\x09\x49\x8d\xdb\x3b\x95\x19\x1e\x14\x39\x2b\xb4\x89\x57\x59\xf5\x41"
      "\x62\x26\xda\x24\x7f\x55\x90\x33\x6d\x5c\x22\x16\x4e\x33\x4d\x40\x88\xa9"
      "\xf3\x52\x9e\xd1\x57\xad\x15\xa2\x7d\x87\x9b\xe7\xdd\xc9\x4f\x91\x3f\xf1"
      "\x45\x58\xa0\x80\xc2\x41\x31\xa2\x7c\xcf\x43\xac\x42\x0c\x0b\x3e\xc0\x6f"
      "\x24\xff\xb8\x6a\x25\x33\x3d\xa5",
      512);
  memcpy(
      (void*)0x200000000440,
      "\x78\x9c\xec\x55\xbf\xee\x12\x41\x10\xfe\xe6\x6e\xe1\x40\x2d\xa8\x6d\x25"
      "\x42\xa3\xc0\xd9\xf8\x06\xf2\x00\x3e\x80\x04\x4e\x24\x1e\xfe\xe1\x2e\x51"
      "\x08\xc5\x69\x43\x63\x61\x7c\x09\x12\x9f\xc2\xc2\x44\x7b\x0b\x63\x4c\x6c"
      "\xb0\xd0\x44\x0b\x2c\x49\x0c\x66\x77\xe7\xd6\x25\x6a\xc0\xe4\xc8\xef\xf7"
      "\x4b\xf6\x4b\xc8\x7c\xf3\xcd\xce\xec\x0e\x97\x9d\xbd\x93\x3c\x4c\x02\x00"
      "\x3f\xd7\xf3\x3e\x6a\x50\x20\x5c\xc0\x47\x22\x08\x00\x0d\xd2\xda\xa6\xac"
      "\xed\x0f\xb6\x5b\xc6\x17\xa1\xfd\x0e\xeb\x2f\xd9\x7e\x66\x9b\x4c\x67\xef"
      "\x9e\x69\x3a\xbb\xdb\x8b\xe3\x68\x92\x4c\xf7\x10\x22\x60\xdf\x9a\x1d\x72"
      "\xd0\xa2\xc3\xc9\xdb\xa7\xbb\x0a\xa1\xa8\xca\x45\x93\xd4\xd7\xff\xec\x9f"
      "\xa1\xe7\x3b\x4a\xf0\xb7\x35\x9c\x8b\x13\xef\xa2\x38\xe2\xff\xb3\x9d\xaf"
      "\x45\xef\x55\xc2\xb1\xdb\x01\x8c\x42\x07\x64\x7d\x78\xa1\x3f\xe7\x69\xf9"
      "\x16\x47\x22\xde\x7f\x65\x25\xe0\xf1\x95\xdc\x78\xe2\xe1\xbb\x72\xde\xaf"
      "\xe7\x7d\x49\x6e\xf1\x14\x93\xda\x40\xff\xf2\x2b\xa1\xd6\x48\xe7\xb5\xb5"
      "\xe6\xa2\x00\x32\x80\x7c\x6c\x4d\x1d\xa1\xa6\x25\xd0\x00\xd0\x4a\xc7\x0f"
      "\x5a\xc9\x74\x76\x65\x34\xee\x0d\xa3\x61\x74\x2f\x0c\x91\xb5\xdf\x9c\xe7"
      "\x2b\x1a\xb5\x5b\xb7\x47\x71\xd4\x26\xeb\x18\x9e\x24\x02\x06\xf2\x9e\x56"
      "\xad\x78\x09\xc0\xa7\xdf\xf1\x0c\x16\xc8\x3a\x9a\xc4\x39\x80\xec\x5c\x39"
      "\x7f\xf3\xe1\xdc\xbc\x64\x25\x56\x01\xcf\xca\xb5\x6b\xe8\xba\xaf\x4c\x8d"
      "\x80\x35\xf9\x57\xdc\xc4\x65\x54\x00\x3c\xca\x64\x38\x64\xb5\x0e\x59\x4d"
      "\x40\xb5\xd6\x05\xc1\x67\xa7\x23\xac\x73\x02\x1b\x78\xa8\xa8\xc0\xd5\xfe"
      "\xfd\x78\xb0\x00\x81\xf2\xb4\x25\x84\xa9\xd1\x59\xa1\x24\x1d\xca\x80\x28"
      "\x64\x47\x45\xae\x5d\x37\xed\x2f\xd8\xd6\xd9\x76\xd9\x2e\xd9\xae\xd8\xe6"
      "\x6f\x57\xfe\x26\x09\x55\xe1\x1b\x7b\xcd\x0c\x28\xe3\x71\x2f\x4d\x27\xea"
      "\xf1\xd2\xcc\x68\xa1\xd1\xc2\x9a\xd9\xd9\xe3\x5d\xf3\xd7\x90\xf2\x93\x04"
      "\x70\x70\x70\x70\x70\x70\x70\x70\x38\x23\xf8\x15\x00\x00\xff\xff\xb0\x75"
      "\x54\x83",
      452);
  syz_mount_image(/*fs=*/0x200000000100, /*dir=*/0x200000000780,
                  /*flags=MS_SILENT*/ 0x8000, /*opts=*/0x200000004380,
                  /*chdir=*/0x10, /*size=*/0x1c4, /*img=*/0x200000000440);
  memcpy((void*)0x2000000002c0, "mnt/encrypted_dir\000", 18);
  syscall(__NR_chdir, /*dir=*/0x2000000002c0ul);
  memcpy((void*)0x200000000040, ".\000", 2);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000040ul,
                /*flags=O_SYNC|O_NONBLOCK|O_NOFOLLOW|O_EXCL|O_APPEND*/ 0x121c80,
                /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXUSR*/ 0x47);
  if (res != -1)
    r[2] = res;
  *(uint32_t*)0x200000000280 = 0x40000000;
  syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0x40086602,
          /*arg=*/0x200000000280ul);
  memcpy((void*)0x200000000380, "./file1\000", 8);
  syscall(__NR_unlinkat, /*fd=*/0xffffff9c, /*path=*/0x200000000380ul,
          /*flags=*/0ul);
  return 0;
}