// https://syzkaller.appspot.com/bug?id=dacdd83da50d42f90f00ea4b3c264efb31070b26
// 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;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x400000000440, "hfsplus\000", 8);
  memcpy((void*)0x400000000580, "./file1\000", 8);
  memcpy(
      (void*)0x400000000a40,
      "\x78\x9c\xec\xdd\xcf\x6f\x1c\x67\x1d\x07\xe0\xcf\xac\xd7\x8e\xb7\x94\xe0"
      "\xb4\x09\x8d\xa0\x08\x2b\x91\x0a\x52\x44\xe2\xc4\x4a\x21\x70\xc0\x20\x84"
      "\x72\xa8\x50\x55\x0e\x3d\x5b\x89\xd3\x58\xdd\x24\x55\xe2\xa2\xb4\x42\xe0"
      "\x02\x82\x13\x12\x87\xfe\x01\x05\xc9\x37\x0e\x08\x89\x7b\x50\xe0\xc0\xa5"
      "\xdc\x7a\xf5\xb1\x12\x12\x97\x88\x43\xd4\xcb\xa2\x99\x9d\xb5\x77\xed\xb5"
      "\xbd\x4e\x9c\x75\x02\xcf\x13\x8d\xe7\x7d\xe7\xfd\x31\xdf\x79\xe7\x9d\x19"
      "\xef\x3a\xab\x0d\xf0\x7f\xeb\xf2\x99\x34\xef\xa5\xc8\xe5\x33\xaf\xdd\x2d"
      "\xf3\xeb\x6b\xf3\xed\xf5\xb5\xf9\x23\x75\x71\x3b\x49\x99\x6e\x24\xcd\xee"
      "\x2a\xc5\xcd\xa4\xb8\x9f\x2c\x94\xe5\x45\xdf\xd2\xac\xd7\x43\x7d\xb8\x7c"
      "\xe9\x8d\x4f\x1e\xac\x7f\xda\xcd\x35\xeb\xa5\xaa\x3f\xb1\x5b\xbb\x21\x86"
      "\xd4\x5d\xad\x97\xcc\xd6\xfd\xcd\x0e\x6d\x39\x39\xea\x2e\x56\xeb\xf0\xf2"
      "\x7c\x92\x2b\xf5\x7a\xd0\xd4\xa8\x7d\x0d\x54\x2c\x07\xed\x74\xbd\x86\x43"
      "\xd7\xd9\x66\x75\x3f\xcd\xf7\x73\xdd\x02\x4f\x99\xde\xd3\xa9\xe8\x3e\x37"
      "\x8f\x6c\x2d\x9f\x49\x9e\x4b\x32\xdd\x2b\xab\xef\x0e\x8d\xf1\x46\x79\xf0"
      "\xf6\x75\x97\x03\x00\x00\x80\x67\xd4\xc7\xb7\x0e\x3b\x02\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x78\xf6\xd4\xdf\xff\x5f\xd4\x4b\xa3\x5e\x67\x36\x45"
      "\xef\xfb\xff\xa7\x7a\xdb\xea\xf4\x53\x68\x61\xe4\x9a\xf7\x9e\x68\x1c\x00"
      "\x00\x00\x00\x00\x00\x00\x30\x1e\x5f\x7d\x98\x87\xb9\x9b\xa3\xbd\x7c\xa7"
      "\xa8\xfe\xe6\x7f\xaa\xca\x1c\xcf\x67\x9d\xe4\x73\x79\x37\x77\xb2\x94\xdb"
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      "\x00\x00\x00\x00\x00\x00\xff\x93\x7e\x91\xd6\xe6\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
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      "\x99\x49\xa3\x99\xcd\xb2\xac\x26\xff\x4c\x32\x75\xd8\xf1\xee\x43\x31\x6c"
      "\xe3\xbd\xf1\xc7\x01\x00\x00\x00\x8f\x65\xfa\x11\xda\x7c\xe1\x61\x1e\xe6"
      "\x6e\x8e\xf6\xf2\x9d\xa2\x7a\xcd\xff\xc5\xea\xf5\xf2\x74\xde\xcd\xcd\xac"
      "\x64\x39\x2b\x69\x67\x29\x57\xeb\xd7\xd0\xe5\xab\xfe\xc6\xfa\xda\x7c\x7b"
      "\x7d\x6d\xfe\x46\xb9\x94\xf9\xc1\x7e\xbf\xf7\xef\x7d\x85\x31\x55\xf7\x30"
      "\x51\xe5\x86\xed\xf9\x64\x55\xa3\x95\x6b\x59\xae\xb6\x9c\xcd\x95\x2a\x98"
      "\xab\x69\x74\xf7\x7d\x3a\x39\xd9\x8b\xa7\x2f\xae\x3e\x1f\x94\x31\x15\xdf"
      "\xad\x8d\x18\x59\xb3\x1e\xd6\x72\x67\xbf\xdb\xe9\x5d\x84\x03\x31\xf8\x56"
      "\x44\x63\x97\x9a\xad\xcd\xe0\x92\x8d\x11\x99\xab\x63\x2b\x5b\x1e\xeb\x8e"
      "\x40\x51\xbd\x51\x93\x6c\x1d\x89\x3d\xcf\x4e\x73\x20\x37\x53\xf5\x3a\xb9"
      "\xb1\xa7\xf3\x69\x6c\xbc\xf3\x73\xfc\x09\x8c\xf9\x73\xf5\xba\x3c\x9e\x5f"
      "\x3f\xd1\x31\xdf\xaf\x8d\x91\x68\xa4\x1a\x89\x0b\xbd\xd9\x57\x5e\x33\xbb"
      "\x8f\x44\xf2\xb5\xbf\xfc\xf1\xcd\xeb\xed\x9b\x6f\x5f\xbf\x76\xe7\xcc\xd3"
      "\x73\x48\x7b\x98\xd8\x61\xfb\xd6\x39\x31\xdf\x37\x12\x2f\x3d\xd3\x23\xd1"
      "\xdc\x67\xfd\xb9\x6a\x24\x4e\x6c\xe4\x2f\xe7\x87\xf9\x71\xce\x64\x36\xaf"
      "\xe7\x76\x96\xf3\x93\x2c\x66\x25\x4b\xe9\xd4\xe5\x8b\xf5\x7c\x2e\x7f\xce"
      "\xec\x3e\x52\x0b\x03\xb9\xd7\xf7\x8a\x64\xaa\x3e\x2f\xdd\x73\x36\x4a\x4c"
      "\xb3\xf9\x41\x95\x5a\xcc\xa9\xaa\xed\xd1\x2c\xa7\xc8\xad\x5c\xcd\x52\x5e"
      "\xad\xfe\x5d\xc8\xf9\x7c\x33\x17\x73\x31\x97\xfa\xce\xf0\x89\x1d\xe3\xae"
      "\x8e\xad\xba\xea\x1b\x5b\xaf\xfa\xde\x99\xfe\xeb\xd0\xe0\x4f\x7f\xbd\x4e"
      "\x94\x77\xb7\xdf\x6c\xde\xe5\x16\x76\x3b\xe2\x9d\x66\xe7\x41\xe9\xde\xfb"
      "\xcb\x71\x3d\xd6\x37\xae\xdd\x59\xff\x60\xa3\xd6\xb1\xbe\xeb\x60\xae\x6f"
      "\x94\x5e\xe8\x8d\xce\xe4\xd0\xce\x1f\xe5\xde\xd8\xfc\x52\x9d\x28\xf7\xf1"
      "\xcb\x3d\x9e\x13\xe3\x35\x53\x8f\x44\x79\x01\xf5\x9e\x12\xbd\xe8\x5e\xec"
      "\x8e\x44\xb3\x7a\x16\x6d\x9f\xe7\xbf\xef\x94\xed\xd2\xbe\xd9\xe9\x5c\x5f"
      "\x7c\x67\x87\xfe\x57\xb7\xe4\x5f\xa9\xd7\xe5\xb4\x5a\xfb\xca\x5e\xb5\x7b"
      "\x86\x9f\x8a\x83\x55\xce\x97\x17\x32\x5d\xdf\x49\x06\x67\x47\x59\xf6\xe2"
      "\xc6\x5d\xa6\xaf\xac\xb3\x39\x97\xbb\x65\x83\x4f\xdc\xb2\xdd\x89\xaa\xac"
      "\x28\x7a\x57\xea\x8f\x72\xab\x9a\x00\xdb\xaf\xd4\xa9\xfa\x77\xb8\xed\x3d"
      "\x5d\xa8\xca\x5e\x1a\x5a\x36\x5f\x95\x9d\xec\x2b\x1b\xf8\x7d\x2b\xb7\xd2"
      "\xce\xd5\x31\x8c\x1f\x00\x8f\xe2\x1f\x6f\x6e\x24\x67\xf2\xdc\x54\xeb\x5f"
      "\xad\x8f\x5b\x1f\xb5\x7e\xd5\xba\xde\x7a\x6d\xfa\xfb\x47\xbe\x75\xe4\xe5"
      "\xa9\x4c\xfe\x6d\xf2\xdb\xcd\xb9\x89\x57\x1a\x2f\x17\x7f\xce\x47\xf9\xd9"
      "\xe6\xeb\x7f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\xe0\xd1\xdd\x79\xef\xfd\xb7\x17\xdb\xed"
      "\xa5\xdb\xc3\x13\x8d\x9d\x8b\x06\x12\xad\x6c\xdd\xb2\x57\xcf\x5b\x12\x45"
      "\xfd\x85\x3e\xfb\x6b\x55\x27\xfe\xbe\x6d\xef\x87\x9e\x98\x4e\x32\xb0\xa5"
      "\xfa\x9e\xa3\xb1\x87\xd1\xda\x1a\xc6\xb6\x44\xe7\xe7\xc9\xd8\xc7\xa7\xf7"
      "\x25\x82\xc3\xeb\xfc\xb6\x4c\x34\x47\x3a\xa7\x0b\x03\x5b\xfe\xb4\xbd\xc3"
      "\x0f\x46\x0b\x6c\xb2\x7f\x1e\x8e\x70\x5d\x3c\x5a\xe2\x3b\x5f\x1e\xa1\x72"
      "\x23\xe3\x3d\x17\x13\x19\x3e\x01\x0e\xf1\xa6\x04\x8c\xc5\xb9\x95\x1b\xef"
      "\x9c\xbb\xf3\xde\xfb\xdf\x58\xbe\xb1\xf8\xd6\xd2\x5b\x4b\x37\x27\x2f\x5e"
      "\xbc\x34\x77\xe9\xe2\xab\xf3\xe7\xae\x2d\xb7\x97\xe6\xba\x3f\xbb\x75\x3f"
      "\x7f\xd8\xc1\x02\x07\x6a\xf3\xa1\x7f\xd8\x91\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\xa3\x1a\xf6\xc1\x80\x53\xcf\xef\xf5\xa1\x91\x91\x3e\xe3\xe1"
      "\x7f\x16\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x07\xe2\xf2\x99\x34\xef\xa5\xc8\xf9\xb9\xb3\x73"
      "\x65\x7e\x7d\x6d\xbe\x5d\x2e\xbd\xf4\x66\xcd\x66\x92\x46\x23\x29\x7e\x9a"
      "\x14\xf7\x93\x85\x74\x97\xcc\xf4\x75\x57\xe4\x0f\xf7\xd3\x19\xb2\x9f\x0f"
      "\x97\x2f\xbd\xf1\xc9\x83\xf5\x4f\x37\xfb\x6a\x76\xeb\x27\x8d\x7a\xbd\xb3"
      "\xdd\x4b\x93\xac\xd6\x4b\x66\x93\x4c\xd4\xeb\xc7\x30\xd0\xdf\x95\xc7\xee"
      "\xaf\xf8\x4f\xef\x18\xca\x01\xfb\xac\xd3\xe9\x2c\x3c\x5e\x7c\x70\x30\xfe"
      "\x1b\x00\x00\xff\xff\x6f\xdd\xf4\x1e",
      1755);
  syz_mount_image(/*fs=*/0x400000000440, /*dir=*/0x400000000580,
                  /*flags=MS_LAZYTIME|MS_SYNCHRONOUS*/ 0x2000010,
                  /*opts=*/0x4000000022c0, /*chdir=*/1, /*size=*/0x6db,
                  /*img=*/0x400000000a40);
  memcpy((void*)0x400000000040, "./file1\000", 8);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x400000000040ul,
                /*flags=O_NOCTTY|O_NOATIME|O_EXCL|O_CREAT|O_RDWR*/ 0x401c2,
                /*mode=*/0);
  if (res != -1)
    r[0] = res;
  syscall(__NR_ftruncate, /*fd=*/r[0], /*len=*/0x8800000ul);
}
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;
}