// 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*)0x4000000003c0, "hfsplus\000", 8);
  memcpy((void*)0x400000000180,
         "./"
         "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
         251);
  memcpy(
      (void*)0x400000000c00,
      "\x78\x9c\xec\xdd\xbb\x6f\x1c\xd7\xd9\x07\xe0\xdf\xac\x48\x4a\xab\xcf\x9f"
      "\x44\xcb\x92\xad\x04\x06\x4c\x58\x40\x12\x84\x88\xc4\x0b\xe8\x84\x69\xa2"
      "\x04\x41\xc0\xc2\x08\x0c\xa7\x48\x4d\x48\x94\x45\x68\x25\x3b\x24\x1d\xd0"
      "\x46\x10\x33\xf7\xd6\x85\xff\x00\xa7\x60\x97\x2a\x40\x7a\x01\x4e\x93\x26"
      "\xe9\xdc\xb2\x34\x10\x20\x8d\x9b\x30\xd5\x06\x33\x3b\xbb\x5c\xf1\xe6\x95"
      "\x2d\x71\x97\xce\xf3\x08\xb3\xe7\x9c\x39\x3b\x67\xde\xf3\xce\x0c\x67\x2f"
      "\x10\x36\xc0\xff\xac\xa5\xe9\x8c\x3d\x4c\x91\xa5\xe9\x57\x37\xcb\xf6\xce"
      "\xf6\x7c\x6b\x67\x7b\xfe\x7e\xb7\x9e\xe4\x6c\x92\xad\x64\x2c\x49\x23\x49"
      "\xf1\xef\x76\xbb\xfd\x51\x72\x33\x29\x7a\xc3\x14\xfb\xca\x03\x3e\x58\x5d"
      "\x7c\xfd\xe3\x4f\x77\x3e\xa9\x1a\x13\x8f\x6c\xd7\x38\x6e\xbb\xc1\x6c\xd5"
      "\x4b\xa6\x92\x9c\xa9\xcb\x27\x35\xde\xad\x2f\x3c\x5e\xd1\x9b\xe1\xcd\x24"
      "\xd7\xea\x12\x86\x6e\x3c\x49\xfb\x11\x3f\xfb\xdb\x33\xbd\x9e\x3e\xcd\xc3"
      "\xb6\x3e\x77\x22\x31\x02\x4f\x57\xd1\xb9\x6f\x1e\x30\x99\x9c\xaf\x2f\xf4"
      "\xf2\x75\x40\xe7\xae\xd8\xb9\x67\x9f\x6a\x5b\xc3\x0e\x00\x00\x00\x00\x4e"
      "\xc0\xc5\xdd\xec\x66\xb3\xb8\x30\xec\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\xe0\xb4\xd8\xda\xfb\xfd\xff\xa2\x5e\x1a\xdd\xfa\x54\x8a\xee\xef\xff"
      "\x4f\xd4\xeb\x52\xd7\x47\xcb\x4b\xc7\xf6\x8e\xef\x5f\xf1\xf0\x69\xc6\x02"
      "\x00\x00\x00\x00\x00\x00\x00\x27\xe4\xa5\xdd\xec\x66\x33\x17\xba\xed\x76"
      "\x51\x7d\xe7\xff\x72\xd5\xb8\x5c\x3d\xfe\x5f\xde\xce\x7a\x56\xb2\x96\xeb"
      "\xd9\xcc\x72\x36\xb2\x91\xb5\xcc\x26\x99\xec\x1b\x68\x62\x73\x79\x63\x63"
      "\x6d\x76\x80\x2d\xe7\x0e\xdd\x72\xee\x33\x02\x3d\x5b\x97\xcd\x27\x33\x6f"
      "\x00\x00\x00\x00\x00\x00\x00\xf8\x92\xf9\x75\x96\xf6\xbe\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x80\x51\x50\x24\x67\x3a\x45\xb5\x5c\xee"
      "\xd6\x27\xd3\x18\x4b\x72\x2e\xc9\x44\xf9\xbc\xad\xe4\x1f\xdd\xfa\x69\xf6"
      "\x70\xd8\x01\x00\x00\x00\xc0\x09\xb8\xb8\x9b\xdd\x6c\xe6\x42\xb7\xdd\x2e"
      "\xaa\xf7\xfc\xcf\x57\xef\xfb\xcf\xe5\xed\x3c\xc8\x46\x56\xb3\x91\x56\x56"
      "\x72\xbb\xfa\x2c\xa0\xf3\xae\xbf\xb1\xb3\x3d\xdf\xda\xd9\x9e\xbf\x5f\x2e"
      "\x07\xc7\xfd\xfe\xbf\x1e\x2b\x8c\x6a\xc4\x74\x3e\x7b\x38\x7c\xcf\x57\xab"
      "\x67\x34\x73\x27\xab\xd5\x9a\xeb\xb9\x95\x37\xd3\xca\xed\x34\xaa\x2d\x4b"
      "\x57\xeb\x78\xba\xa3\xee\x8b\xeb\x57\x65\x4c\xc5\xf7\x6a\x03\x46\x76\xbb"
      "\x2e\xcb\x99\xbf\x5f\x97\x07\xbc\xf7\x58\x93\x3d\xca\x63\x7e\x98\x32\x59"
      "\x65\x64\xbc\x97\x91\x99\x3a\xb6\x32\x1b\xcf\x76\x8f\xcc\xe1\x47\xe8\xd0"
      "\xa3\x33\x3e\xf0\x9e\x66\xd3\xe8\x05\x7b\x79\xdf\x9e\xf6\x4d\xe2\x73\xe5"
      "\xfc\x7c\x5d\x96\xf3\xf9\xfd\x51\x39\x1f\x8a\xfd\x99\x98\xeb\x3b\xfb\x9e"
      "\x3f\x3e\xe7\xc9\xd7\xff\xf2\xa7\x9f\xde\x6d\x3d\xb8\x77\xf7\xce\xfa\xf4"
      "\xe8\x4c\x69\x30\x67\xea\xb2\x5d\x3d\x36\x0f\x66\x62\xbe\x2f\x13\x2f\x7c"
      "\x99\x33\x71\xc0\x4c\x95\x89\x2b\xbd\xf6\x52\x7e\x94\x9f\x64\x3a\x53\x79"
      "\x2d\x6b\x59\xcd\xcf\xb3\x9c\x8d\xac\x64\x2a\x3f\xac\x6a\xcb\xf5\xf9\x5c"
      "\xf4\x5d\xf2\x47\x64\xea\x66\xd2\xbe\xd8\x6b\xbd\xf6\x59\x91\x4c\xd4\x67"
      "\x68\xe7\x60\x3d\x5e\x4c\x2f\x57\xdb\x5e\xc8\x6a\x7e\x9c\x37\x73\x3b\x2b"
      "\x79\xa5\xfa\x37\x97\xd9\x7c\x3b\x0b\x59\xc8\x62\xdf\x11\xbe\x72\xfc\x11"
      "\xae\xae\xfa\xc6\x11\x57\x7d\xfb\xff\x1f\x69\x75\x2b\xd7\xbe\x51\x57\x9a"
      "\x49\xfe\x50\x97\xa3\xa1\xcc\xeb\xb3\x7d\x79\xed\xff\x9b\x3b\x59\xf5\xf5"
      "\xaf\xd9\xcb\xd2\xa5\x01\xb2\x54\x14\x5b\xe9\x7c\x9e\x3e\x90\xb1\xaf\xd6"
      "\x95\x72\x1f\xbf\xa9\xcb\xd1\xb0\x3f\x13\xb3\x7d\x99\x78\xee\xf8\x4c\xfc"
      "\xb1\x3a\x0b\xd6\x5b\x0f\xee\xad\xdd\x5d\x7e\x6b\xb0\xdd\x5d\x7a\xbf\xae"
      "\x94\xd7\xd1\xef\x46\xea\x2e\x51\x9e\x2f\x97\xca\x83\x55\xb5\x1e\x3d\x3b"
      "\xca\xbe\xe7\x0e\xed\x9b\xad\xfa\x2e\xf7\xfa\x1a\x07\xfa\xae\xf4\xfa\x3a"
      "\x57\xea\xd6\x91\x57\xea\x44\xfd\x1a\xee\xe0\x48\x73\x55\xdf\x0b\x87\xf6"
      "\xcd\x57\x7d\x57\xfb\xfa\x0e\x7b\xbd\x05\xc0\xc8\x3b\xff\xcd\xf3\x13\xcd"
      "\x7f\x36\xff\xde\xfc\xb0\xf9\xdb\xe6\xdd\xe6\xab\xe7\x7e\x70\xf6\x3b\x67"
      "\x5f\x9c\xc8\xf8\x5f\xc7\xbf\x3b\x36\x73\xe6\x6b\x8d\x17\x8b\x3f\xe7\xc3"
      "\xfc\x72\xef\xfd\x3f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf0\xf9\xad\xbf\xf3\xee\xbd\xe5"
      "\x56\x6b\x65\x6d\x5f\xa5\xdd\x6e\xbf\x77\x44\xd7\x69\xae\x74\x7f\xce\xec"
      "\x04\x77\xfa\x95\x67\x92\x91\x98\xfb\x50\x2b\xff\x69\xb7\xdb\xf5\x9a\x62"
      "\x14\xe2\x39\xbe\xd2\xae\x8d\x4a\x3c\xc3\xa8\x0c\xf9\x0f\x13\xf0\xd4\xdd"
      "\xd8\xb8\xff\xd6\x8d\xf5\x77\xde\xfd\xd6\xea\xfd\xe5\x37\x56\xde\x58\x79"
      "\xb0\xb8\xb0\xb0\x38\xb3\xb8\xf0\xca\xfc\x8d\x3b\xab\xad\x95\x99\xce\xe3"
      "\xb0\xa3\x04\x9e\x86\xbd\x9b\xfe\xb0\x23\x01\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x06\x75\x12\xff\x9d\x60\xd8\x73\x04\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x4e\xb7\xa5\xe9"
      "\x8c\x3d\x4c\x91\xd9\x99\xeb\x33\x65\x7b\x67\x7b\xbe\x55\x2e\xdd\xfa\xde"
      "\x33\xc7\x92\x34\x92\x14\xbf\x48\x8a\x8f\x92\x9b\xe9\x2c\x99\xec\x1b\xae"
      "\x38\x6a\x3f\x1f\xac\x2e\xbe\xfe\xf1\xa7\x3b\x9f\xec\x8d\x35\xd6\x7d\x7e"
      "\xe3\xb8\xed\x06\xb3\x55\x2f\x99\x4a\x72\xa6\x2e\x9f\xd4\x78\xb7\xbe\xf0"
      "\x78\x45\x6f\x86\x65\xc2\xae\x75\x13\x07\xc3\xf6\xdf\x00\x00\x00\xff\xff"
      "\x3b\x8d\x0f\xf9",
      1606);
  syz_mount_image(/*fs=*/0x4000000003c0, /*dir=*/0x400000000180,
                  /*flags=MS_LAZYTIME|MS_POSIXACL|MS_SYNCHRONOUS*/ 0x2010010,
                  /*opts=*/0x400000000440, /*chdir=*/1, /*size=*/0x646,
                  /*img=*/0x400000000c00);
  memcpy((void*)0x400000000000, "./file1\000", 8);
  syscall(__NR_creat, /*file=*/0x400000000000ul,
          /*mode=S_IWOTH|S_IRGRP*/ 0x22ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x3ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x400000000000ul, /*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=*/0x400001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}