// https://syzkaller.appspot.com/bug?id=ff9fe3de46d66c92f26a627abe9e85d0518c9890
// 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*)0x20002380, "./file0\000", 8);
  memcpy(
      (void*)0x20001000,
      "\x78\x9c\xec\xdd\x4b\x6c\x1c\x67\x1d\x00\xf0\xff\xac\xd7\xeb\x5d\x03\xa9"
      "\xd3\xa6\x49\x41\x91\xba\x6a\xa4\x82\x88\x48\xec\x18\x17\xcc\x85\x80\x10"
      "\xf8\x50\xa1\xaa\x1c\x38\xaf\x12\xa7\xb1\xb2\x71\x2a\xdb\x45\x4e\x84\xa8"
      "\xc3\xe3\xce\xa1\x07\xc4\xa9\x1c\x7c\xab\x38\xa0\x72\x8f\x04\x67\xaa\x4a"
      "\xa8\x57\x1f\x38\x54\x42\xea\xa5\x27\xdf\x8c\x66\x76\x66\x77\x6c\xaf\x77"
      "\xd7\x89\x5f\xa5\xbf\x9f\x35\x33\xdf\xcc\xf7\x9c\xff\xec\xcc\xec\x43\xd6"
      "\x04\xf0\xa5\xb5\x70\x35\xaa\x4f\x22\x89\x85\xab\xaf\xaf\xa7\xeb\x5b\x9b"
      "\xb3\xed\xb1\xcd\xd9\x89\x3c\xbb\x1d\x11\xb5\x88\xa8\x44\x54\x3b\x8b\x48"
      "\x96\xf3\xbc\xaf\x5e\x8e\x9b\xe9\xf2\xeb\xe9\xc6\x7c\x5b\x72\x50\x3f\xef"
      "\x2d\xcd\xbf\xf9\xc9\xe7\x5b\x9f\x76\xd6\xaa\xf9\x94\x95\x4f\x06\xd5\xeb"
      "\xa3\xb6\x7f\xd3\x46\x3e\x45\x33\x22\xc6\xf2\xe5\x7e\xe3\x07\xb4\xf8\xe1"
      "\xde\xee\x77\xb5\x77\xeb\xc0\xf6\x46\xd5\xdb\xc3\x34\x60\x57\xf2\x65\xc4"
      "\x9f\x9f\xa9\x55\x78\x66\x3b\xfb\x6c\x74\xf3\x3e\xf8\x77\x36\x1f\x54\xfd"
      "\x30\xe7\x2d\x70\x46\x25\x9d\xfb\xe6\x3e\x53\x11\x93\xe5\xb3\x3c\xbf\x3a"
      "\x54\x4e\x6a\x5c\xc7\x65\xe3\xb4\x07\x00\x00\x00\x00\x87\xd5\x38\x7c\x95"
      "\xe7\xb6\x63\x3b\xd6\xe3\xdc\x71\x0c\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\xfe\x5f\xe5\xcf\xff\x4f\xf2\xa9\x52\xa4\x9b\x91\x4c\x46\x44\x3d\x22"
      "\x6a\xf9\xb6\xc8\xd3\x67\xd0\xf0\x07\x21\x7e\x3c\xd1\x59\x3e\x39\xfe\xc1"
      "\x00\x00\x00\x00\x00\x00\x00\xc0\xb1\x7b\x79\x3b\xb6\x63\x3d\xce\x15\xeb"
      "\x3b\x49\xf6\x9b\xff\x2b\xa5\xdf\xf8\xbf\x12\xef\xc4\x6a\x2c\xc6\x4a\x5c"
      "\x8b\xf5\x68\xc5\x5a\xac\xc5\x4a\xcc\x44\xc4\x54\xa9\xa1\xda\x7a\x6b\x6d"
      "\x6d\x65\x26\xab\x19\x71\x61\x40\xcd\x1b\xf1\x51\x9f\x9a\x37\x0e\x1e\xe3"
      "\xcd\x23\xde\x67\x00\x00\x00\x00\x00\x00\x00\x38\xe3\xea\x43\xf2\xef\x8d"
      "\xef\xdf\xf6\xdb\x58\xe8\xfd\xfe\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x67\x41\x12\x31\xd6\x59\x64\xd3\x85\x22\x3d\x15\x95\x6a\x44\xd4"
      "\x8b\x72\x1b\x11\x1f\x45\x44\xed\x74\x47\x7b\x28\x49\xbf\x8d\x4f\x4e\x7e"
      "\x1c\x00\x00\x00\xf0\x4c\xea\xbb\x57\x93\xfa\x08\x75\x9e\x7b\x37\xb6\x63"
      "\x3d\xce\x15\xeb\x3b\x49\xf6\x99\xff\x62\xf6\x79\xb9\x1e\xef\xc4\x72\xac"
      "\xc5\x52\xac\x45\x3b\x16\xe3\x76\xfe\x19\x3a\xfd\xd4\x5f\xd9\xda\x9c\x6d"
      "\x6f\x6d\xce\xde\x4f\xa7\xfd\xed\xfe\xe8\xb3\x43\x0d\x3d\x6b\x31\x3a\xdf"
      "\x3d\xf4\xef\xf9\xa5\xac\x44\x23\xee\xc4\x52\xb6\xe5\x5a\xdc\x8a\x24\x76"
      "\x32\x95\xbc\x95\x97\xb6\x36\x67\xd3\xe5\xfd\xfe\xe3\x7a\x9c\x8e\x29\xf9"
      "\x61\x6e\xc0\x68\xc6\x4a\xe9\xdb\xe9\xec\xd2\x87\x59\xfa\x8f\xbb\xbf\x45"
      "\xa8\x1e\x6a\x17\x9f\x52\xe5\xc0\x9c\xa9\x2c\x77\xbc\x1b\x91\xe9\x7c\x6c"
      "\x69\x8d\xf3\x45\x04\xfa\x47\x62\xe8\xd1\xa9\x0e\xec\x69\x26\x2a\xdd\x6f"
      "\x7e\x2e\x0c\xee\xa9\x7f\xcc\x1f\x0f\xee\x7d\x72\x4f\xa9\xbe\xdf\xdc\x9c"
      "\x8a\xbd\x91\xb8\x11\x95\xee\x11\xba\x38\x38\x12\x11\xdf\xfc\xfb\x07\xbf"
      "\xbc\xdb\x5e\xbe\x77\xf7\xce\xea\xd5\xb3\xb3\x4b\x7d\xbd\x3b\xb4\x44\x37"
      "\x12\xdf\x2d\x2e\x33\xbd\x48\x5c\x1a\x39\x12\x8d\xa3\x1e\xf8\x29\x98\xce"
      "\xf6\xfd\xc5\xee\xfa\x42\xfc\x34\x7e\x11\x57\xe3\xb3\x89\x37\x62\x25\x96"
      "\xe2\x57\xd1\x8a\xb5\x58\x6c\x16\xf9\xad\xfc\xf5\x9c\xce\xa7\x06\x47\xea"
      "\xe3\xc9\xf2\xda\x1b\xc3\x46\x92\x9e\x93\xcd\xee\xf5\xab\xdf\x98\x9a\xb1"
      "\x6b\x4c\xd1\x8c\x9f\x64\xa9\x56\xbc\x92\x1d\xd3\x73\xb1\x14\x49\x3c\x88"
      "\x88\xc5\x78\x2d\xfb\xbb\x11\x33\xdd\xab\x41\xef\x08\xbf\x38\xc2\x59\x5f"
      "\x19\xe1\x4a\x5b\x72\xe5\x5b\xd9\xa2\x1b\xa6\x18\xf0\xda\xf8\xeb\x68\x4d"
      "\x1e\x95\x34\xae\xe7\x4b\x71\x2d\x5f\x73\xa7\xb2\xbc\xf2\x96\x5e\x94\x9e"
      "\xef\x1b\xa5\xe2\x5e\x57\xba\x36\xd6\x63\xd4\x28\x55\xbf\x91\x27\xd2\x16"
      "\x7e\x37\xf0\xfe\x70\xd2\xf6\x46\x62\xa6\x14\x89\x17\x0e\x7a\xbd\x74\x42"
      "\xfa\x97\x9d\x74\xbe\xda\x5e\xbe\xb7\x72\xb7\xf5\xf6\x88\xfd\xbd\x9a\x2f"
      "\xd3\xf3\xe8\x0f\x67\xea\x2e\x51\x8b\xc7\xf1\x7c\xd4\xf3\x9d\x3b\x9f\xcd"
      "\x93\xec\x9c\x9a\xce\x8e\xfe\x0b\xdd\x3b\xec\xee\x78\xd5\xb2\x5f\x5c\x8a"
      "\x77\x1f\x95\xbd\x79\x3f\xfb\x53\xb7\x5e\xe7\x4c\xfd\x79\x3c\x88\xdb\xbb"
      "\xce\xd4\xef\xc5\x5c\xcc\xc5\x7c\xd6\xd2\xc5\xac\xf4\xf8\xbe\x3b\x56\x9a"
      "\x77\xa9\xdb\x52\x39\x6f\x36\xcb\x4b\xdf\x69\x55\xbb\x3f\xec\x94\xdf\x6f"
      "\x3d\x88\x76\xe7\xfd\x10\x00\x67\xdb\xe4\xb7\x27\x6b\x8d\xff\x36\xfe\xd5"
      "\x78\xbf\xf1\xfb\xc6\xdd\xc6\xeb\xf5\x1f\x4f\x7c\x7f\xe2\x72\x2d\xc6\xff"
      "\x39\xfe\x83\xea\xf4\xd8\xab\x95\xcb\xc9\xdf\xe2\xfd\xf8\x4d\xef\xf3\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\xf4\x56\x1f\x3e\xba\xd7\x6a\xb7\x17\x57\xfa\x27"
      "\x2a\xfd\xb3\x92\xc1\xb5\x5a\xed\x9d\xe2\x41\x62\x03\xca\xec\x4a\x24\xf9"
      "\xa3\x72\x46\x28\x9c\xac\x3e\x7c\xb4\x33\xb4\xc1\xc1\x89\x89\x7c\x78\x4f"
      "\x59\xfd\x28\x13\xc5\x63\xd4\x86\x17\x6e\x1e\xe3\x30\x92\x8d\xbd\xc7\xab"
      "\x3e\xfc\x58\x14\x4f\x79\x1a\xa1\x8b\x64\x5f\xc0\xd3\xca\x4f\x3d\xe6\xa2"
      "\xe7\xde\x96\xf1\x33\x70\x28\xf7\x26\x9a\x47\xd7\x60\xf1\x82\x2d\x65\x8d"
      "\xfe\xea\xfd\xcf\xd7\x3a\x95\x1b\xfd\x8e\xd7\x58\x44\xf4\xab\x35\xe4\xc2"
      "\x31\xb6\xab\x45\xe0\x0b\xe8\xfa\xda\xfd\xb7\xaf\xaf\x3e\x7c\xf4\x9d\xa5"
      "\xfb\xad\xb7\x16\xdf\x5a\x5c\x1e\x9f\x9b\x9b\x9f\x9e\x9f\x7b\x6d\xf6\xfa"
      "\x9d\xa5\xf6\xe2\x74\x67\x5e\xaa\x70\x22\x0f\xbf\x05\x4e\x42\xf9\xed\x44"
      "\x57\x2d\x22\x5e\x1e\x5e\xd7\xcd\x1f\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x4e\xc7\x49\xfc\x2f\xc4\x69\xef\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\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\xc5\xb6\x70\x35\xaa"
      "\x4f\x22\x89\x99\xe9\x6b\xd3\xe9\xfa\xd6\xe6\x6c\x3b\x9d\x8a\x74\xaf\x64"
      "\x35\x22\x2a\x11\x91\xfc\x3a\x22\xf9\x47\xc4\xcd\xe8\x4c\x31\x55\x6a\x2e"
      "\x39\xa8\x9f\xf7\x96\xe6\xdf\xfc\xe4\xf3\xad\x4f\x7b\x6d\x55\x8b\xf2\x95"
      "\x88\x8d\x03\xeb\x8d\x66\x23\x9f\xa2\x19\x11\x63\xf9\xf2\xa8\xda\xbb\x35"
      "\xbc\xbd\x5a\x2f\x39\xd1\x27\x3b\xe9\x46\x26\x0d\xd8\x95\x22\x70\x70\xda"
      "\xfe\x17\x00\x00\xff\xff\x8d\x7c\xe8\x90",
      1774);
  syz_mount_image(/*fs=*/0x20000000, /*dir=*/0x20002380,
                  /*flags=MS_LAZYTIME|MS_NOSUID|MS_NODIRATIME*/ 0x2000802,
                  /*opts=*/0x200023c0, /*chdir=*/2, /*size=*/0x6ee,
                  /*img=*/0x20001000);
  memcpy((void*)0x200000c0, "./file0\000", 8);
  memcpy((void*)0x20000240,
         "./"
         "file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\000",
         251);
  syscall(__NR_rename, /*old=*/0x200000c0ul, /*new=*/0x20000240ul);
}
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;
}