// https://syzkaller.appspot.com/bug?id=c2fe1403d829cf5c2110804d8e90123502249963
// 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[4] = {0xffffffffffffffff, 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*)0x200000c0, "/proc/crypto\000", 13);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000c0ul,
                /*flags=*/0, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  syscall(__NR_read, /*fd=*/r[0], /*buf=*/0x20000200ul, /*len=*/0x2020ul);
  memcpy((void*)0x20000040, "ext4\000", 5);
  memcpy((void*)0x20000000, "./file0\000", 8);
  *(uint8_t*)0x20000840 = 0;
  memcpy(
      (void*)0x20001400,
      "\x78\x9c\xec\xdd\x4d\x6f\x5b\x4b\x19\x00\xe0\xd7\xce\x97\x93\x9b\x7b\x93"
      "\x7b\xe9\x02\x10\xd0\x52\x0a\x05\x55\x75\x12\xb7\x8d\xaa\x2e\xa0\xac\x10"
      "\x42\x95\x10\x5d\x82\xd4\x86\xc4\x8d\xa2\xd8\x71\x14\x3b\xa5\x09\x5d\xa4"
      "\xff\x01\x89\x4a\xac\x60\xc9\x0f\x60\xdd\x15\x7b\x36\x08\x76\x6c\xca\x02"
      "\x89\x8f\x08\xd4\x54\x62\x61\x74\x8e\x4f\x52\x37\xb5\x9b\xd0\x7c\x38\x8a"
      "\x9f\x47\x3a\x3a\x67\x66\x1c\xbf\x33\x75\xcf\x4c\xfd\xba\xf1\x04\xd0\xb7"
      "\x2e\x45\xc4\x56\x44\x0c\x47\xc4\xc3\x88\x98\xc8\xea\x73\xd9\x11\x77\x5b"
      "\x47\xf2\xb8\x57\xdb\x4f\xe7\x77\xb6\x9f\xce\xe7\xa2\xd9\xbc\xff\xcf\x5c"
      "\xda\x9e\xd4\x45\xdb\xcf\x24\x3e\xca\x9e\xb3\x10\x11\x3f\xfa\x5e\xc4\x4f"
      "\x73\xef\xc6\xad\x6f\x6c\x2e\xcf\x55\x2a\xe5\xb5\xac\x3c\xd5\xa8\xae\x4e"
      "\xd5\x37\x36\xaf\x2f\x55\xe7\x16\xcb\x8b\xe5\x95\x52\x69\x76\x66\x76\xfa"
      "\xf6\x8d\x5b\xa5\x63\x1b\xeb\xc5\xea\x70\x76\xf5\xe5\x97\x7f\xd8\xfa\xd6"
      "\xcf\x93\x6e\x8d\x67\x35\xed\xe3\x38\x4e\xad\xa1\x0f\xed\xc5\x49\x0c\x46"
      "\xc4\x0f\x4e\x22\x58\x0f\x0c\x64\xe3\x19\xee\x75\x47\xf8\x20\xf9\x88\xf8"
      "\x2c\x22\x2e\xa7\xf7\xff\x44\x0c\xa4\xaf\x26\x00\x70\x9e\x35\x9b\x13\xd1"
      "\x9c\x68\x2f\x03\x00\xe7\x5d\x3e\xcd\x81\xe5\xf2\xc5\x2c\x17\x30\x1e\xf9"
      "\x7c\xb1\xd8\xca\xe1\x5d\x88\xb1\x7c\xa5\x56\x6f\x5c\x7b\x54\x5b\x5f\x59"
      "\x68\xe5\xca\x26\x63\x28\xff\x68\xa9\x52\x9e\xce\x72\x85\x93\x31\x94\x4b"
      "\xca\x33\xe9\xf5\x9b\x72\x69\x5f\xf9\x46\x44\x7c\x1a\x11\xbf\x18\x19\x4d"
      "\xcb\xc5\xf9\x5a\x65\xa1\x97\xff\xf0\x01\x80\x3e\xf6\xd1\xbe\xf5\xff\x3f"
      "\x23\xad\xf5\x1f\x00\x38\xe7\x0a\xbd\xee\x00\x00\x70\xea\xac\xff\x00\xd0"
      "\x7f\xac\xff\x00\xd0\x7f\xac\xff\x00\xd0\x7f\xac\xff\x00\xd0\x7f\xac\xff"
      "\x00\xd0\x7f\xac\xff\x00\xd0\x57\x7e\x78\xef\x5e\x72\x34\x77\xb2\xef\xbf"
      "\x5e\x78\xbc\xb1\xbe\x5c\x7b\x7c\x7d\xa1\x5c\x5f\x2e\x56\xd7\xe7\x8b\xf3"
      "\xb5\xb5\xd5\xe2\x62\xad\xb6\x98\x7e\x67\x4f\xf5\xa0\xe7\xab\xd4\x6a\xab"
      "\x33\x37\x63\xfd\xc9\xe4\xb7\x57\xeb\x8d\xa9\xfa\xc6\xe6\x83\x6a\x6d\x7d"
      "\xa5\xf1\x20\xfd\x5e\xef\x07\xe5\xa1\x53\x19\x15\x00\xf0\x3e\x9f\x5e\x7c"
      "\xf1\xe7\x5c\x44\x6c\xdd\x19\x4d\x8f\x68\xdb\xcb\xc1\x5a\x0d\xe7\x5b\xbe"
      "\xd7\x1d\x00\x7a\x66\xa0\xd7\x1d\x00\x7a\xc6\x6e\x5f\xd0\xbf\x8e\xf0\x1e"
      "\x5f\x7a\x00\xce\x89\x0e\x5b\xf4\xbe\xa5\x10\x11\xa3\xfb\x2b\x9b\xcd\x66"
      "\xf3\xe4\xba\x04\x9c\xb0\xab\x5f\x90\xff\x87\x7e\xd5\x96\xff\xf7\xbf\x80"
      "\xa1\xcf\xc8\xff\x43\xff\x92\xff\x87\xfe\xd5\x6c\xe6\x0e\xbb\xe7\x7f\x1c"
      "\xf6\x81\x00\xc0\xd9\x26\xc7\x0f\x74\xf9\xfc\xff\xb3\xec\xfc\xdb\xec\xc3"
      "\x81\x9f\x2c\xec\x7f\xc4\xf3\x93\xec\x15\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9c\x6d"
      "\xbb\xfb\xff\x16\xb3\xbd\xc0\xc7\x23\x9f\x2f\x16\x23\x3e\x8e\x88\xc9\x18"
      "\xca\x3d\x5a\xaa\x94\xa7\x23\xe2\x93\x88\xf8\xd3\xc8\xd0\x48\x52\x9e\xe9"
      "\x71\x9f\x01\x80\xa3\xca\xff\x2d\x97\xed\xff\x75\x75\xe2\xca\xf8\xfe\xd6"
      "\xe1\xdc\xeb\x91\xf4\x1c\x11\x3f\xfb\xd5\xfd\x5f\x3e\x99\x6b\x34\xd6\xfe"
      "\x98\xd4\xff\x6b\xaf\xbe\xf1\x3c\xab\x2f\xf5\xa2\xff\x00\xc0\x41\x76\xd7"
      "\xe9\xf4\xdc\xf6\x46\xfe\xd5\xf6\xd3\xf9\xdd\xe3\x34\xfb\xf3\xf7\xef\x46"
      "\x44\xa1\x15\x7f\x67\x7b\x38\x76\xf6\xe2\x0f\xc6\x60\x7a\x2e\xc4\x50\x44"
      "\x8c\xfd\x3b\x97\x95\x5b\x72\x6d\xb9\x8b\xa3\xd8\x7a\x16\x11\x9f\xef\x34"
      "\xfe\x5c\x8c\xa7\x39\x90\xd6\xce\xa7\xfb\xe3\x27\xb1\x3f\x3e\xd5\xf8\xf9"
      "\xb7\xe2\xe7\xd3\xb6\xd6\x39\xf9\xb3\xf8\xdc\x31\xf4\x05\xfa\xcd\x8b\x64"
      "\xfe\xb9\xdb\xe9\xfe\xcb\xc7\xa5\xf4\xdc\xf9\xfe\x2f\xa4\x33\xd4\xd1\x65"
      "\xf3\x5f\xf2\x54\xf3\x3b\xe9\x1c\xf8\x26\xfe\xee\xfc\x37\xd0\x65\xfe\xbb"
      "\x74\xd8\x18\x37\x7f\xff\xfd\xd6\xd5\xe8\xbb\x6d\xcf\x22\xbe\x38\x18\xb1"
      "\x1b\x7b\xa7\x6d\xfe\xd9\x8d\x9f\xeb\x12\xff\xca\x21\xe3\xff\xe5\x4b\x5f"
      "\xb9\xdc\xad\xad\xf9\xeb\x88\xab\xd1\x39\x7e\x7b\xac\xa9\x46\x75\x75\xaa"
      "\xbe\xb1\x79\x7d\xa9\x3a\xb7\x58\x5e\x2c\xaf\x94\x4a\xb3\x33\xb3\xd3\xb7"
      "\x6f\xdc\x2a\x4d\xa5\x39\xea\xa9\xee\xab\xc1\x3f\xee\x5c\xfb\xa4\x5b\x5b"
      "\x32\xfe\xb1\x2e\xf1\x0b\x07\x8c\xff\xeb\x87\x1c\xff\x6f\xfe\xfb\xf0\xc7"
      "\x5f\x7d\x4f\xfc\x6f\x7e\xad\x53\xfc\x7c\x5c\x78\x4f\xfc\x64\x4d\xfc\xc6"
      "\x21\xe3\xcf\x8d\xfd\xae\xd0\xad\x2d\x89\xbf\xd0\x65\xfc\x07\xbd\xfe\xd7"
      "\x0e\x19\xff\xe5\x5f\x37\xdf\xd9\x36\x1c\x00\xe8\x9d\xfa\xc6\xe6\xf2\x5c"
      "\xa5\x52\x5e\x73\xe1\xe2\xec\x5f\x24\x7f\x65\xcf\x40\x37\x3a\x5e\x7c\xe7"
      "\xb4\x62\x0d\xc7\xff\xf5\x53\xcd\xe6\x07\xc5\xea\x36\x63\x1c\x47\xd6\x0d"
      "\x38\x0b\xf6\x6e\xfa\x88\x78\xdd\xeb\xce\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x1d\x9d\xc6\x6f\x2c\xf5\x7a\x8c\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x9c\x5f\xff\x0b\x00\x00\xff\xff\xfb\xed\xd2\x38",
      1254);
  syz_mount_image(
      /*fs=*/0x20000040, /*dir=*/0x20000000,
      /*flags=MS_POSIXACL|MS_SYNCHRONOUS|MS_RELATIME|MS_NOSUID|0x80c*/ 0x21081e,
      /*opts=*/0x20000840, /*chdir=*/1, /*size=*/0x4e6, /*img=*/0x20001400);
  memcpy((void*)0x200000c0, "./bus\000", 6);
  syscall(__NR_creat, /*file=*/0x200000c0ul, /*mode=*/0ul);
  memcpy((void*)0x20000380, "/dev/loop", 9);
  *(uint8_t*)0x20000389 = 0x30;
  *(uint8_t*)0x2000038a = 0;
  memcpy((void*)0x20000140, "./bus\000", 6);
  syscall(__NR_mount, /*src=*/0x20000380ul, /*dst=*/0x20000140ul, /*type=*/0ul,
          /*flags=MS_BIND*/ 0x1000ul, /*data=*/0ul);
  memcpy((void*)0x20000000, "./bus\000", 6);
  res = syscall(__NR_creat, /*file=*/0x20000000ul, /*mode=*/0ul);
  if (res != -1)
    r[1] = res;
  res = syscall(__NR_io_setup, /*n=*/0x202, /*ctx=*/0x200001c0ul);
  if (res != -1)
    r[2] = *(uint64_t*)0x200001c0;
  *(uint64_t*)0x20000540 = 0x200000c0;
  *(uint64_t*)0x200000c0 = 0x25;
  *(uint32_t*)0x200000c8 = 0xe7030003;
  *(uint32_t*)0x200000cc = 0;
  *(uint16_t*)0x200000d0 = 1;
  *(uint16_t*)0x200000d2 = 0;
  *(uint32_t*)0x200000d4 = r[1];
  *(uint64_t*)0x200000d8 = 0x20000000;
  *(uint64_t*)0x200000e0 = 0x16000;
  *(uint64_t*)0x200000e8 = 0;
  *(uint64_t*)0x200000f0 = 0;
  *(uint32_t*)0x200000f8 = 0;
  *(uint32_t*)0x200000fc = -1;
  syscall(__NR_io_submit, /*ctx=*/r[2], /*nr=*/8ul, /*iocbpp=*/0x20000540ul);
  memcpy((void*)0x20000240, ".\000", 2);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000240ul,
                /*flags=*/0, /*mode=*/0);
  if (res != -1)
    r[3] = res;
  *(uint32_t*)0x20000b40 = 0x4100;
  *(uint32_t*)0x20000b44 = 0;
  memcpy((void*)0x20000b48, "\000\000\021\021\"\"33", 8);
  memset((void*)0x20000b50, 0, 24);
  memset((void*)0x20000b6c, 0, 20);
  syscall(__NR_ioctl, /*fd=*/r[3], /*cmd=*/0xc0185879, /*arg=*/0x20000b40ul);
  return 0;
}