// 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*)0x200000000000, "hfsplus\000", 8);
  memcpy((void*)0x200000000040, "./file1\000", 8);
  memcpy(
      (void*)0x200000001100,
      "\x78\x9c\xec\xdd\x4d\x6c\x1c\x57\x1d\x00\xf0\xff\xac\x77\xd7\xde\x80\x52"
      "\xa7\x4d\xd2\x80\x2a\x61\x35\x52\x41\x58\x24\xfe\x90\x53\xcc\xa5\x01\x21"
      "\x64\x89\x0a\x55\xe5\x80\x38\xae\x12\xa7\xb1\xb2\x71\x2b\x7b\x8b\x9c\x08"
      "\x81\xf9\x3e\x70\xe1\xd0\x3b\x45\xc2\x37\x2e\x20\x71\x0f\x2a\x67\xe0\xd4"
      "\xab\x8f\x95\x90\xb8\xe4\x14\x40\x62\xd1\xcc\xce\x78\x67\x6d\xc7\xde\x75"
      "\xec\xac\xad\xfe\x7e\xd1\xec\xbc\x37\xef\x63\xde\xfb\xcf\xcc\xce\xee\xac"
      "\x22\x07\xf0\xa9\xb5\x34\x1d\xd5\x47\x91\xc4\xd2\xf4\x9b\x1b\x69\x7e\x7b"
      "\x6b\xbe\xb5\xbd\x35\x7f\xbf\x48\x47\xc4\x78\x44\x54\x22\xaa\xdd\x55\x24"
      "\xab\x11\xc9\x47\x11\x37\xa3\xbb\xc4\xe7\xd2\x8d\x79\x77\x49\xaf\xe7\xa4"
      "\x9c\x89\x0f\x56\x16\xdf\xfe\xf8\xf1\xf6\x27\x69\xc1\x66\xb9\x52\xde\xe9"
      "\xc0\x03\xbe\x51\xd9\x67\xe3\x66\xbe\xc4\x54\x44\x8c\xe5\xeb\x67\xd0\xd7"
      "\xdf\xad\x5d\xfd\xd5\x87\xee\x2e\xd9\x99\x61\x1a\xb0\xab\x45\xe0\x60\xd4"
      "\x6a\x11\xd1\xe9\xf3\xfd\xcb\xbd\x92\x43\x0d\x7e\xdd\x02\xa7\x56\xd2\xbd"
      "\x6f\xee\xb9\xa0\x27\x23\xce\x45\xc4\x44\xfe\x39\x20\xf2\x7b\xf7\x7e\x37"
      "\xe1\x33\x65\x73\xd4\x03\x00\x00\x00\x80\xe7\xe0\x85\x5f\x67\x5f\xe1\xcf"
      "\x8f\x7a\x1c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\x96\xe4\x7f\xff\x3f"
      "\xc9\x97\x4a\x91\x9e\x8a\xa4\xf8\xfb\xff\xf5\x7c\x5b\xe4\xe9\x33\xed\xd1"
      "\xa8\x07\x00\x00\x00\x00\x00\x00\x00\x00\xc3\xfb\xf6\x67\x77\x6d\xf8\xc2"
      "\x93\x78\x12\x1b\x71\xbe\xc8\x77\x92\xec\x37\xff\x57\xb3\xcc\xc5\xec\xf5"
      "\x33\xf1\x7e\xac\xc7\x72\xac\xc5\xb5\xd8\x88\x66\xb4\xa3\x1d\x6b\x31\x1b"
      "\x11\x93\x59\x79\x2d\x7b\xad\x6f\x34\xdb\xed\xb5\xd9\x01\x5a\xce\xed\xb4"
      "\x8c\x52\xcb\xb9\x01\x67\xd0\x38\xfa\xe4\x01\x00\x00\x00\x00\x00\x00\xe0"
      "\xac\xa8\x0e\xdf\xe4\xa7\xb1\xd4\xfb\xfd\x1f\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x46\xab\x51\x24\xc6\x22\x22\xc9\x97\x8b\x45\x7a\x32\x2a"
      "\xd5\x88\x98\x88\x88\x7a\x5a\x69\x33\xe2\xef\x45\xfa\x54\xfa\xed\x5f\xca"
      "\xb9\xce\x7f\x3b\x99\x3d\xd5\x1e\x3d\xcf\x31\x01\x00\x00\xc0\x88\xbc\xf0"
      "\x24\x9e\xc4\x46\x9c\x2f\xf2\x9d\x24\xfb\xce\x7f\x39\xfb\xde\x3f\x11\xef"
      "\xc7\x6a\xb4\x63\x25\xda\xd1\x8a\xe5\xb8\x9d\x3d\x0b\xe8\x7e\xeb\xaf\x6c"
      "\x6f\xcd\xb7\xb6\xb7\xe6\xef\xa7\xcb\xde\x7e\xbf\xfe\xaf\xa1\x86\x91\xf5"
      "\x98\x3f\x7b\xd8\x7f\xcf\x57\xb2\x1a\x8d\xb8\x13\x2b\xd9\x96\x6b\x71\x2b"
      "\xde\x8d\x56\xdc\x8e\x4a\xd6\x32\x75\xa5\x18\xcf\xfe\xe3\xfa\x49\x3a\xa6"
      "\xe4\x8d\xdc\x80\x23\xbb\x9d\xaf\xd3\x99\xff\x26\x6a\x43\xcd\xea\x28\x92"
      "\x81\x6b\x4e\x66\x11\x49\x47\xd4\x8d\xc8\x4c\xde\x36\x8d\xc6\x85\x83\x23"
      "\x31\xe4\xd1\x29\xf6\x54\xc4\x7e\x36\x2a\x3b\x4f\x7e\x2e\x1e\x67\xcc\x37"
      "\xba\xab\xd7\x7f\xdf\x5d\xa7\xf3\xf9\xe5\x50\x31\x39\x69\xbb\x23\x31\x57"
      "\x3a\xfb\x2e\x1f\x1c\x89\x88\x2f\xfe\xf9\x0f\xdf\xbb\xdb\x5a\xbd\x37\x7e"
      "\x67\x7d\xfa\xf4\x4c\x69\x08\xe3\xa5\x27\x68\xbb\x23\x31\x5f\x8a\xc4\xcb"
      "\x83\x46\xe2\xee\x59\x8d\x44\xd9\x4c\x16\x89\x4b\x3b\xf9\xa5\xf8\x56\x7c"
      "\x37\xa6\x63\x2a\xde\x8a\xb5\x58\x89\x1f\x44\x33\xda\xb1\x1c\x53\xf1\xcd"
      "\x68\xc6\x58\x34\xf3\xf3\x39\x7d\x9d\x3c\x38\x52\x37\xfb\x72\x6f\x1d\x36"
      "\x92\x7a\x76\x5c\x6a\xf9\xbb\xe8\xe0\x63\x6a\x47\x33\x5e\xcd\xda\x9e\x8f"
      "\x95\xf8\x4e\xbc\x1b\xb7\x63\x39\x6e\x64\xff\xe6\x62\x36\x5e\x8f\x85\x58"
      "\x88\xc5\xd2\x11\xbe\x34\xc0\x55\x5f\x19\xee\x9d\xf6\xea\x97\x4a\x0f\x93"
      "\x7f\x55\x7e\x20\x3d\x72\xe9\xc0\x2e\xec\xdc\x9d\xca\x67\xfd\x4c\x76\x1d"
      "\x5c\xe8\xdb\xd2\x8b\xd2\x8b\xc7\x7f\x3f\xaa\x7e\x3e\x4f\xa4\xfb\xf8\x59"
      "\xbe\x3e\x1d\x76\x47\x62\xb6\x14\x89\x97\x0e\x8e\xc4\xef\xb2\xb7\x95\xf5"
      "\xd6\xea\xbd\xb5\xbb\xcd\xf7\x06\xdc\xdf\x6b\xf9\x3a\xbd\x8e\x7e\x71\xaa"
      "\xee\x12\xe9\xf9\xf2\x62\x7a\xb0\xb2\x5c\xff\xd9\x91\x96\xbd\xb4\xbb\x6c"
      "\xa2\x1b\xaf\x7a\xfe\x8b\x4b\xb7\xac\xff\x8e\x9b\x96\x5d\xda\x29\x3b\xec"
      "\x4a\xad\xe7\x9f\xe1\xf6\xf6\x34\x97\x95\xbd\xbc\x6f\xd9\x7c\x56\x76\xa5"
      "\x54\xd6\xf7\x79\xeb\x66\xf7\xf3\x16\x00\xa7\xde\xb9\x2f\x9f\xab\x37\xfe"
      "\xd9\xf8\x5b\xe3\xc3\xc6\xcf\x1b\x77\x1b\x6f\x4e\x7c\x63\xfc\xab\xe3\xaf"
      "\xd4\xa3\xf6\xd7\xda\xd7\xaa\x33\x63\xaf\x55\x5e\x49\xfe\x14\x1f\xc6\x8f"
      "\x7a\xdf\xff\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x80\xa3\x5b\x7f\xf0\xf0\x5e\xb3\xd5\x5a"
      "\x5e\xdb\x95\xe8\x74\x3a\x3f\x7e\x4a\xd1\x09\x26\x1a\x11\x51\x6c\x89\x38"
      "\xac\x55\x2d\x0e\xaf\x73\x32\x89\x7a\x44\x64\x89\x6a\x91\x18\xae\x9f\xf1"
      "\x81\x2a\xd7\x7b\x47\xe7\x8d\x3f\x3e\xcb\x98\x6b\xc3\xb6\x8a\x38\x96\x40"
      "\x55\xf3\x93\xec\xc1\xc3\x7b\xff\xee\x74\x3a\x47\xea\xa7\x7e\xbc\x47\xb0"
      "\x76\xc0\x39\xdf\x4b\x74\x72\x7b\x8a\x3a\x03\x35\x1f\x59\xe2\x3f\x9d\xe3"
      "\xeb\x70\xc4\x6f\x4c\xc0\x89\xbb\xde\xbe\xff\xde\xf5\xf5\x07\x0f\xbf\xb2"
      "\x72\xbf\xf9\xce\xf2\x3b\xcb\xab\x8b\x0b\x0b\x8b\x33\x8b\x0b\x37\xfe\x71"
      "\xfd\xce\x4a\x6b\x79\xa6\xfb\x3a\xea\x51\x02\x27\xa1\x77\xd3\x1f\xf5\x48"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x41\x3d\x8f\xff\x96\xf0\x94\x5d"
      "\xff\xef\x39\x4f\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\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x38\xa3\x96\xa6\xc7\xf3\xd4\xb5\x99\xf4"
      "\x75\x7b\x6b\xbe\x95\x2e\x45\x7a\xa7\x62\x56\xad\x12\x11\xc9\x0f\x23\x92"
      "\x8f\x22\x6e\x46\x77\x89\xc9\x52\x77\xc9\xd3\xf6\xf3\xc1\xca\xe2\xdb\x1f"
      "\x3f\xde\xfe\xa4\x9b\xab\xe6\x4b\x56\xbf\xd2\xd7\xae\x76\x94\x59\x6c\xe6"
      "\x4b\x4c\x45\xc4\x58\xbe\x2e\x9b\x78\x86\xfe\x6e\xe5\xeb\xde\xc8\xaa\x43"
      "\x0e\x2f\xd9\x99\x61\x1a\xb0\xab\x45\xe0\x60\xd4\xfe\x1f\x00\x00\xff\xff"
      "\x09\x21\x11\xc1",
      1678);
  syz_mount_image(/*fs=*/0x200000000000, /*dir=*/0x200000000040,
                  /*flags=MS_NOATIME*/ 0x400, /*opts=*/0x200000000140,
                  /*chdir=*/1, /*size=*/0x68e, /*img=*/0x200000001100);
  memcpy((void*)0x200000000000, "./file1\000", 8);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000000ul,
          /*flags=O_TRUNC|O_NOATIME|O_EXCL|O_WRONLY|0x78801010*/ 0x78841291,
          /*mode=S_IXUSR|S_IWUSR*/ 0xc0);
}
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;
  loop();
  return 0;
}