// https://syzkaller.appspot.com/bug?id=f86606dfb403cc9435c0ed5f17e1d80c110cddef
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

//% This code is derived from puff.{c,h}, found in the zlib development. The
//% original files come with the following copyright notice:

//% Copyright (C) 2002-2013 Mark Adler, all rights reserved
//% version 2.3, 21 Jan 2013
//% This software is provided 'as-is', without any express or implied
//% warranty.  In no event will the author be held liable for any damages
//% arising from the use of this software.
//% Permission is granted to anyone to use this software for any purpose,
//% including commercial applications, and to alter it and redistribute it
//% freely, subject to the following restrictions:
//% 1. The origin of this software must not be misrepresented; you must not
//%    claim that you wrote the original software. If you use this software
//%    in a product, an acknowledgment in the product documentation would be
//%    appreciated but is not required.
//% 2. Altered source versions must be plainly marked as such, and must not be
//%    misrepresented as being the original software.
//% 3. This notice may not be removed or altered from any source distribution.
//% Mark Adler    madler@alumni.caltech.edu

//% BEGIN CODE DERIVED FROM puff.{c,h}

#define MAXBITS 15
#define MAXLCODES 286
#define MAXDCODES 30
#define MAXCODES (MAXLCODES + MAXDCODES)
#define FIXLCODES 288

struct puff_state {
  unsigned char* out;
  unsigned long outlen;
  unsigned long outcnt;
  const unsigned char* in;
  unsigned long inlen;
  unsigned long incnt;
  int bitbuf;
  int bitcnt;
  jmp_buf env;
};
static int puff_bits(struct puff_state* s, int need)
{
  long val = s->bitbuf;
  while (s->bitcnt < need) {
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    val |= (long)(s->in[s->incnt++]) << s->bitcnt;
    s->bitcnt += 8;
  }
  s->bitbuf = (int)(val >> need);
  s->bitcnt -= need;
  return (int)(val & ((1L << need) - 1));
}
static int puff_stored(struct puff_state* s)
{
  s->bitbuf = 0;
  s->bitcnt = 0;
  if (s->incnt + 4 > s->inlen)
    return 2;
  unsigned len = s->in[s->incnt++];
  len |= s->in[s->incnt++] << 8;
  if (s->in[s->incnt++] != (~len & 0xff) ||
      s->in[s->incnt++] != ((~len >> 8) & 0xff))
    return -2;
  if (s->incnt + len > s->inlen)
    return 2;
  if (s->outcnt + len > s->outlen)
    return 1;
  for (; len--; s->outcnt++, s->incnt++) {
    if (s->in[s->incnt])
      s->out[s->outcnt] = s->in[s->incnt];
  }
  return 0;
}
struct puff_huffman {
  short* count;
  short* symbol;
};
static int puff_decode(struct puff_state* s, const struct puff_huffman* h)
{
  int first = 0;
  int index = 0;
  int bitbuf = s->bitbuf;
  int left = s->bitcnt;
  int code = first = index = 0;
  int len = 1;
  short* next = h->count + 1;
  while (1) {
    while (left--) {
      code |= bitbuf & 1;
      bitbuf >>= 1;
      int count = *next++;
      if (code - count < first) {
        s->bitbuf = bitbuf;
        s->bitcnt = (s->bitcnt - len) & 7;
        return h->symbol[index + (code - first)];
      }
      index += count;
      first += count;
      first <<= 1;
      code <<= 1;
      len++;
    }
    left = (MAXBITS + 1) - len;
    if (left == 0)
      break;
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    bitbuf = s->in[s->incnt++];
    if (left > 8)
      left = 8;
  }
  return -10;
}
static int puff_construct(struct puff_huffman* h, const short* length, int n)
{
  int len;
  for (len = 0; len <= MAXBITS; len++)
    h->count[len] = 0;
  int symbol;
  for (symbol = 0; symbol < n; symbol++)
    (h->count[length[symbol]])++;
  if (h->count[0] == n)
    return 0;
  int left = 1;
  for (len = 1; len <= MAXBITS; len++) {
    left <<= 1;
    left -= h->count[len];
    if (left < 0)
      return left;
  }
  short offs[MAXBITS + 1];
  offs[1] = 0;
  for (len = 1; len < MAXBITS; len++)
    offs[len + 1] = offs[len] + h->count[len];
  for (symbol = 0; symbol < n; symbol++)
    if (length[symbol] != 0)
      h->symbol[offs[length[symbol]]++] = symbol;
  return left;
}
static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode,
                      const struct puff_huffman* distcode)
{
  static const short lens[29] = {3,  4,  5,  6,   7,   8,   9,   10,  11, 13,
                                 15, 17, 19, 23,  27,  31,  35,  43,  51, 59,
                                 67, 83, 99, 115, 131, 163, 195, 227, 258};
  static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2,
                                 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0};
  static const short dists[30] = {
      1,    2,    3,    4,    5,    7,    9,    13,    17,    25,
      33,   49,   65,   97,   129,  193,  257,  385,   513,   769,
      1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577};
  static const short dext[30] = {0, 0, 0,  0,  1,  1,  2,  2,  3,  3,
                                 4, 4, 5,  5,  6,  6,  7,  7,  8,  8,
                                 9, 9, 10, 10, 11, 11, 12, 12, 13, 13};
  int symbol;
  do {
    symbol = puff_decode(s, lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 256) {
      if (s->outcnt == s->outlen)
        return 1;
      if (symbol)
        s->out[s->outcnt] = symbol;
      s->outcnt++;
    } else if (symbol > 256) {
      symbol -= 257;
      if (symbol >= 29)
        return -10;
      int len = lens[symbol] + puff_bits(s, lext[symbol]);
      symbol = puff_decode(s, distcode);
      if (symbol < 0)
        return symbol;
      unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]);
      if (dist > s->outcnt)
        return -11;
      if (s->outcnt + len > s->outlen)
        return 1;
      while (len--) {
        if (dist <= s->outcnt && s->out[s->outcnt - dist])
          s->out[s->outcnt] = s->out[s->outcnt - dist];
        s->outcnt++;
      }
    }
  } while (symbol != 256);
  return 0;
}
static int puff_fixed(struct puff_state* s)
{
  static int virgin = 1;
  static short lencnt[MAXBITS + 1], lensym[FIXLCODES];
  static short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  static struct puff_huffman lencode, distcode;
  if (virgin) {
    lencode.count = lencnt;
    lencode.symbol = lensym;
    distcode.count = distcnt;
    distcode.symbol = distsym;
    short lengths[FIXLCODES];
    int symbol;
    for (symbol = 0; symbol < 144; symbol++)
      lengths[symbol] = 8;
    for (; symbol < 256; symbol++)
      lengths[symbol] = 9;
    for (; symbol < 280; symbol++)
      lengths[symbol] = 7;
    for (; symbol < FIXLCODES; symbol++)
      lengths[symbol] = 8;
    puff_construct(&lencode, lengths, FIXLCODES);
    for (symbol = 0; symbol < MAXDCODES; symbol++)
      lengths[symbol] = 5;
    puff_construct(&distcode, lengths, MAXDCODES);
    virgin = 0;
  }
  return puff_codes(s, &lencode, &distcode);
}
static int puff_dynamic(struct puff_state* s)
{
  static const short order[19] = {16, 17, 18, 0, 8,  7, 9,  6, 10, 5,
                                  11, 4,  12, 3, 13, 2, 14, 1, 15};
  int nlen = puff_bits(s, 5) + 257;
  int ndist = puff_bits(s, 5) + 1;
  int ncode = puff_bits(s, 4) + 4;
  if (nlen > MAXLCODES || ndist > MAXDCODES)
    return -3;
  short lengths[MAXCODES];
  int index;
  for (index = 0; index < ncode; index++)
    lengths[order[index]] = puff_bits(s, 3);
  for (; index < 19; index++)
    lengths[order[index]] = 0;
  short lencnt[MAXBITS + 1], lensym[MAXLCODES];
  struct puff_huffman lencode = {lencnt, lensym};
  int err = puff_construct(&lencode, lengths, 19);
  if (err != 0)
    return -4;
  index = 0;
  while (index < nlen + ndist) {
    int symbol;
    int len;
    symbol = puff_decode(s, &lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 16)
      lengths[index++] = symbol;
    else {
      len = 0;
      if (symbol == 16) {
        if (index == 0)
          return -5;
        len = lengths[index - 1];
        symbol = 3 + puff_bits(s, 2);
      } else if (symbol == 17)
        symbol = 3 + puff_bits(s, 3);
      else
        symbol = 11 + puff_bits(s, 7);
      if (index + symbol > nlen + ndist)
        return -6;
      while (symbol--)
        lengths[index++] = len;
    }
  }
  if (lengths[256] == 0)
    return -9;
  err = puff_construct(&lencode, lengths, nlen);
  if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
    return -7;
  short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  struct puff_huffman distcode = {distcnt, distsym};
  err = puff_construct(&distcode, lengths + nlen, ndist);
  if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
    return -8;
  return puff_codes(s, &lencode, &distcode);
}
static int puff(unsigned char* dest, unsigned long* destlen,
                const unsigned char* source, unsigned long sourcelen)
{
  struct puff_state s = {
      .out = dest,
      .outlen = *destlen,
      .outcnt = 0,
      .in = source,
      .inlen = sourcelen,
      .incnt = 0,
      .bitbuf = 0,
      .bitcnt = 0,
  };
  int err;
  if (setjmp(s.env) != 0)
    err = 2;
  else {
    int last;
    do {
      last = puff_bits(&s, 1);
      int type = puff_bits(&s, 2);
      err = type == 0 ? puff_stored(&s)
                      : (type == 1 ? puff_fixed(&s)
                                   : (type == 2 ? puff_dynamic(&s) : -1));
      if (err != 0)
        break;
    } while (!last);
  }
  *destlen = s.outcnt;
  return err;
}

//% END CODE DERIVED FROM puff.{c,h}

#define ZLIB_HEADER_WIDTH 2

static int puff_zlib_to_file(const unsigned char* source,
                             unsigned long sourcelen, int dest_fd)
{
  if (sourcelen < ZLIB_HEADER_WIDTH)
    return 0;
  source += ZLIB_HEADER_WIDTH;
  sourcelen -= ZLIB_HEADER_WIDTH;
  const unsigned long max_destlen = 132 << 20;
  void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ,
                   MAP_PRIVATE | MAP_ANON, -1, 0);
  if (ret == MAP_FAILED)
    return -1;
  unsigned char* dest = (unsigned char*)ret;
  unsigned long destlen = max_destlen;
  int err = puff(dest, &destlen, source, sourcelen);
  if (err) {
    munmap(dest, max_destlen);
    errno = -err;
    return -1;
  }
  if (write(dest_fd, dest, destlen) != (ssize_t)destlen) {
    munmap(dest, max_destlen);
    return -1;
  }
  return munmap(dest, max_destlen);
}

static int setup_loop_device(unsigned char* data, unsigned long size,
                             const char* loopname, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (puff_zlib_to_file(data, size, memfd)) {
    err = errno;
    goto error_close_memfd;
  }
  loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    err = errno;
    goto error_close_memfd;
  }
  if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
    if (errno != EBUSY) {
      err = errno;
      goto error_close_loop;
    }
    ioctl(loopfd, LOOP_CLR_FD, 0);
    usleep(1000);
    if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
      err = errno;
      goto error_close_loop;
    }
  }
  close(memfd);
  *loopfd_p = loopfd;
  return 0;

error_close_loop:
  close(loopfd);
error_close_memfd:
  close(memfd);
error:
  errno = err;
  return -1;
}

static void reset_loop_device(const char* loopname)
{
  int loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    return;
  }
  if (ioctl(loopfd, LOOP_CLR_FD, 0)) {
  }
  close(loopfd);
}

static long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile long flags, volatile long optsarg,
                            volatile long change_dir,
                            volatile unsigned long size, volatile long image)
{
  unsigned char* data = (unsigned char*)image;
  int res = -1, err = 0, need_loop_device = !!size;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    int loopfd;
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    close(loopfd);
    source = loopname;
  }
  mkdir(target, 0777);
  char opts[256];
  memset(opts, 0, sizeof(opts));
  if (strlen(mount_opts) > (sizeof(opts) - 32)) {
  }
  strncpy(opts, mount_opts, sizeof(opts) - 32);
  if (strcmp(fs, "iso9660") == 0) {
    flags |= MS_RDONLY;
  } else if (strncmp(fs, "ext", 3) == 0) {
    bool has_remount_ro = false;
    char* remount_ro_start = strstr(opts, "errors=remount-ro");
    if (remount_ro_start != NULL) {
      char after = *(remount_ro_start + strlen("errors=remount-ro"));
      char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1);
      has_remount_ro = ((before == '\0' || before == ',') &&
                        (after == '\0' || after == ','));
    }
    if (strstr(opts, "errors=panic") || !has_remount_ro)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  }
  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;
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void reset_loop()
{
  char buf[64];
  snprintf(buf, sizeof(buf), "/dev/loop%llu", procid);
  int loopfd = open(buf, O_RDWR);
  if (loopfd != -1) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

void execute_one(void)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x20000000, "hfsplus\000", 8);
  memcpy((void*)0x20000080, "./file0\000", 8);
  memcpy((void*)0x20000cc0,
         "\x70\x61\x72\x74\x3d\x30\x78\x30\x00\x02\xa2\x7f\x9e\xdc\x6b\x44\x90"
         "\x00\x00\xc6\x3d\x5f\x85\x2c\x67\x69\x64\x3d",
         28);
  sprintf((char*)0x20000cdc, "%023llo", (long long)-1);
  sprintf((char*)0x20000cf3, "%023llo", (long long)0);
  *(uint64_t*)0x20000d0a = -1;
  sprintf((char*)0x20000d12, "0x%016llx", (long long)-1);
  *(uint8_t*)0x20000d24 = -1;
  *(uint64_t*)0x20000d25 = -1;
  *(uint16_t*)0x20000d2d = -1;
  memcpy((void*)0x20000d2f,
         "\x40\x84\xee\x64\x45\x46\x59\x01\xdf\x36\x59\xd5\x9c\xd2\xe5\x35\xf8"
         "\x0f",
         18);
  memcpy(
      (void*)0x20000500,
      "\x78\x9c\xec\xdd\x4b\x68\x1c\xf7\x1d\x07\xf0\xef\xac\x56\x2f\x17\x1c\xe5"
      "\x65\xa7\x25\x10\x11\x43\x5a\x6a\x6a\x4b\x16\x4e\xeb\x5e\xea\x96\x52\x7c"
      "\x08\x25\xa4\x87\x9e\x85\x2d\xc7\xc2\x6b\x3b\x48\x4a\x91\x4d\xa9\x95\x3e"
      "\xee\x3d\xe4\xd4\x53\x7a\xd0\x2d\xf4\x50\xd2\xbb\xa1\x3d\x37\x04\x4a\x7a"
      "\xd4\x31\x50\xc8\x25\x27\x9f\xaa\x32\xa3\xd9\x87\xa4\xd5\xae\x64\x5b\x96"
      "\xe2\x7e\x3e\x66\x76\xfe\x33\xff\xc7\xfc\xe6\x37\x3b\x33\xbb\x5a\xcc\x04"
      "\xf8\xbf\x75\xe5\x6c\x9a\x0f\x52\xe4\xca\xd9\xb7\x56\xcb\xe5\x8d\xf5\xb9"
      "\xd6\xc8\xfa\xdc\x78\x5d\xdd\x4a\x32\x96\xa4\x91\x34\x93\xa2\x5c\x55\xdc"
      "\x4e\x55\x7b\xb9\x9e\xf2\xcd\xd4\x35\x3d\xf3\x5d\x3e\x5c\xbc\xf4\xce\xe7"
      "\x5f\x6d\x7c\xb1\xd5\xa8\x99\x6a\xbc\xad\xf6\x8d\x41\xfd\xfa\x18\xdb\xbd"
      "\x6a\xad\x9e\x32\x9d\x64\xa4\x9e\xef\x36\xba\xc7\x88\x9f\xd4\x9b\x1f\xe9"
      "\x3b\xde\xd5\x3d\xc7\xdb\xaf\xa2\xb3\x87\x65\xc2\xce\xb4\x13\x97\x3f\x3d"
      "\xd6\xa8\xf0\xd8\x36\x77\x59\xeb\xd4\x7d\xfc\xaf\xea\xb5\xd3\xa6\x4f\xf7"
      "\x83\x9c\xb7\xc0\x31\x55\xf4\xdc\xfd\x92\xee\xa9\x3e\x95\x9c\x48\x32\x91"
      "\x6c\xdd\xf5\xeb\xab\x43\xe3\xe9\x47\xf8\x64\xad\x1d\x75\x00\x00\x00\x00"
      "\x70\x50\x93\x07\xef\xf2\xdc\xc3\x3c\xcc\x6a\x4e\x1e\x46\x38\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\xf0\xac\xaa\x9f\xff\x5f\xd4\x53\xa3\x5d\x9e\x4e"
      "\xd1\x7e\xfe\xff\x58\xbd\x2e\x75\xf9\x18\x1a\xfe\x20\xc4\xcf\xc6\xb7\xe6"
      "\x0f\x0e\x3f\x18\x00\x00\x00\x00\x00\x00\x00\x38\x3c\x9b\xf7\xab\xd9\x6b"
      "\x0f\xf3\x30\xab\x39\xd9\x59\x5d\x54\xbf\xf9\xbf\xde\xf3\x1b\xff\x37\xf2"
      "\x7e\x96\xb3\x90\xa5\x9c\xcb\x6a\xe6\xb3\x92\x95\x2c\x65\x36\xc9\x54\xcf"
      "\x78\x63\xab\xf3\x2b\x2b\x4b\xb3\x55\xcf\xe4\xa5\x01\x3d\x2f\xe4\xd3\x3e"
      "\x3d\x2f\xec\x1d\xea\xe5\xed\x8b\xc5\xe3\xef\x3c\x00\x00\x00\x00\x00\x00"
      "\x00\x1c\x6b\x13\xf5\xb4\x97\x9b\xa3\xbb\xd7\xfd\x36\x57\xba\xbf\xff\x03"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0\x71\x50\x24\x23\x5b\xb3\x6a"
      "\x7a\xa9\x5d\x9e\x4a\xa3\x99\x64\xa2\xdd\x6e\x2d\xf9\x34\xc9\xd8\xd1\x46"
      "\x7b\x20\x45\xbf\x95\x0f\x9e\x7e\x1c\x00\x00\x00\xf0\x58\x26\xb6\x2f\x16"
      "\x13\xfb\xe8\xf3\xdc\xfd\x3c\xcc\x6a\x4e\xb6\x97\x37\x8b\xea\x3b\xff\xa9"
      "\xea\xfb\xf2\x44\xde\xcf\xed\xac\x64\x31\x2b\x69\x65\x21\xd7\xea\xef\xd0"
      "\xe5\xb7\xfe\xc6\xc6\xfa\x5c\x6b\x63\x7d\xee\x56\x39\xed\x1e\xf7\xc7\x5f"
      "\x1e\x28\xf4\x6a\xc4\x6c\xfd\xed\xa1\xff\x96\x5f\xa9\x5a\x4c\xe6\x7a\x16"
      "\xab\x35\xe7\x72\x35\x45\x36\x2b\x8d\x7a\x94\x57\x36\xd6\xe7\xca\xf9\xad"
      "\xfe\x71\x7d\x50\xc6\x54\xfc\xa8\x36\x20\x9a\x91\x9e\xf2\xb5\xf2\xe5\xf4"
      "\x27\x55\xf9\x8f\xdb\xff\x8a\xd0\x3c\xd0\x2e\xee\xd3\xce\x41\x1b\x7b\xb6"
      "\x9c\xaa\x6a\x47\x3b\x19\x99\xa9\x63\x2b\x7b\x3c\xdf\xce\x40\xff\x4c\x0c"
      "\x3d\x3a\xcd\x81\x5b\x9a\x4d\xa3\x3c\x62\x75\xa3\x81\x5b\xea\x9f\xf3\x0f"
      "\x86\x6c\xbe\xd8\xde\xaa\xef\x5f\x6e\x8e\xc4\xce\x4c\x5c\x48\xa3\x73\x84"
      "\x4e\x0d\xce\x79\xf2\xed\xbf\x7d\xfc\xcb\x1b\xad\xdb\x37\x6f\x5c\x5f\x3e"
      "\x7b\x7c\x76\xa9\xaf\xfb\x43\x5b\xec\xcc\xc4\x5c\x4f\x26\x4e\x3f\x43\x99"
      "\x18\x6e\xa6\xca\xc4\xcb\x9d\xe5\x2b\xf9\x59\x7e\x91\xb3\xf9\x72\xfc\xed"
      "\x2c\x65\x31\xbf\xca\x7c\x56\xb2\x30\xdd\xae\x9f\xaf\xdf\xcf\xe5\xeb\xd4"
      "\xe0\x4c\x7d\x76\xa2\x77\xe9\xed\x61\x91\x94\x57\xd1\xe9\xce\xf5\xab\x5f"
      "\x4c\xd3\xd9\x16\x53\xa6\xf3\xd3\xaa\x34\x9f\xd7\xab\x63\x7a\x32\x8b\x29"
      "\x72\x27\xc9\x42\xde\xac\xfe\x5d\xc8\x6c\xe7\x6a\xd0\x3d\xc2\x2f\x0f\x8e"
      "\xbb\x3a\xeb\x1b\xfb\xb8\xd2\xf6\x38\xf3\x9d\x6a\xd6\x49\x53\x26\xf7\x6e"
      "\xfb\x97\xfd\x0d\xf9\xa4\x94\x79\x7d\xbe\x27\xaf\xbd\xd7\xdc\xa9\xaa\xae"
      "\x77\x4d\x37\x4b\x2f\xf4\xcd\x52\xfb\x5e\xb7\xff\xfb\x51\x8f\xe6\xb7\xea"
      "\x42\x39\xc2\xef\x06\xde\x1f\x9e\xb6\x9d\x99\x98\xed\xc9\xc4\x8b\x7b\xbd"
      "\x5f\xb6\x52\xfa\xe7\xcd\xf2\x75\xb9\x75\xfb\xe6\xd2\x8d\xf9\xf7\xf6\xb9"
      "\xbd\x37\xea\x79\x79\x1e\xfd\x61\xc0\x5d\xe2\x50\x6e\xd3\x03\x95\x47\xf8"
      "\x85\x4c\xd4\x3b\xf7\x7c\xf5\x5a\x54\xe7\xd4\x4c\x55\xf7\x62\x27\xaa\x76"
      "\xbe\xfe\xbd\x98\xcc\x56\x75\x2f\x75\x46\xd9\x7e\xc7\x2d\xeb\x5e\xee\xf4"
      "\xdb\x3a\x53\x7f\x9e\x3b\xb9\xb6\xed\x4c\xfd\x7e\x2e\xe6\x62\x2e\x55\xad"
      "\x4f\x55\xad\x47\x77\xdd\xb1\xca\xba\xd3\x9d\x91\xb6\x5f\xc3\xcb\xba\xf2"
      "\x93\x56\xb3\xf3\xc3\xce\xf5\xff\x76\x3f\x6f\xdd\x49\x6b\xeb\xf3\x50\xb2"
      "\xf6\xb5\xbf\x6c\x03\x3c\xcb\x4e\x7c\xf7\xc4\xd8\xe4\x7f\x26\xff\x39\xf9"
      "\xd1\xe4\xef\x27\x6f\x4c\xbe\x35\xf1\x93\xf1\x1f\x8c\xbf\x3a\x96\xd1\x7f"
      "\x8c\xfe\xb0\x39\x33\xf2\x46\xe3\xd5\xe2\xaf\xf9\x28\xbf\xe9\x7e\xff\x07"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x1e\xdd\xf2\xdd\x7b\x37\xe7\x5b\xad\x85\xa5\xfe\x85"
      "\x46\xff\xaa\x62\x70\xaf\xf9\xd6\x66\xfb\x41\x62\xfd\xda\x8c\x65\x77\xaf"
      "\xa2\x7e\x54\xce\x90\x78\xca\x42\xb1\x7c\xf7\xde\xe6\x90\x36\xc3\x0a\xe3"
      "\x75\x78\x8f\xd8\xfd\x49\x16\xda\x4f\x6b\x1c\xde\x78\xfa\x10\xc3\x28\xd6"
      "\x76\x1e\xaf\x89\xe1\xc7\xa2\xfd\x94\xa7\x7d\x6c\xa2\xa8\x1f\x53\xd9\xf3"
      "\xd6\x4a\xf2\xc8\x31\xb7\xb7\xdc\x5d\x33\x7a\x0c\x0e\xe5\xce\xc2\xf4\x81"
      "\x7b\x4d\xef\xda\xaf\xba\xd0\x7e\xc3\xf6\x34\x3e\xf8\xbb\x77\xb2\xdf\xf1"
      "\x1a\x49\xd2\xaf\xf1\x90\x0b\xc7\xc8\x13\xb8\xf8\x00\x47\xea\xfc\xca\xad"
      "\xf7\xce\x2f\xdf\xbd\xf7\xbd\xc5\x5b\xf3\xef\x2e\xbc\xbb\x70\x7b\xf4\xe2"
      "\xc5\x4b\x33\x97\x2e\xbe\x39\x77\xfe\xfa\x62\x6b\x61\x66\xeb\xb5\xa7\xc3"
      "\xd3\x7f\xaa\x1e\x70\x48\x7a\x3f\x4e\x74\x8c\x25\x79\x6d\x78\xdf\x01\x0f"
      "\x6a\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0e\xd1\xd3\xf8\xbf\x10\x47"
      "\xbd\x8f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\xc0\xd7\xdb\x95\xb3\x69\x3e\x48\x91\xd9\x99\x73\x33"
      "\xe5\xf2\xc6\xfa\x5c\xab\x9c\xda\xe5\x6e\xcb\x66\x92\x46\x92\xe2\xd7\x49"
      "\xf1\xf7\xe4\x72\xb6\xa6\x4c\xf5\x0c\x57\xec\xb5\x9d\x0f\x17\x2f\xbd\xf3"
      "\xf9\x57\x1b\x5f\x74\xc7\x6a\xb6\xdb\x37\x92\xb5\x3d\xfb\x0d\x1a\xb3\x6b"
      "\xad\x9e\x32\x9d\x64\xa4\x9e\x3f\x86\x6d\xe3\x5d\x1d\x3e\xde\x58\xb7\x38"
      "\xde\xa7\xba\xe8\xec\x45\x99\xb0\x33\xed\xc4\xc1\x51\xfb\x5f\x00\x00\x00"
      "\xff\xff\x8a\xbe\xf3\xf0",
      1806);
  syz_mount_image(/*fs=*/0x20000000, /*dir=*/0x20000080,
                  /*flags=MS_I_VERSION|MS_NOEXEC|MS_NODEV*/ 0x80000c,
                  /*opts=*/0x20000cc0, /*chdir=*/1, /*size=*/0x70e,
                  /*img=*/0x20000500);
}
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;
  loop();
  return 0;
}