// https://syzkaller.appspot.com/bug?id=a3ce4daaa6f6acbe41eb7ca4cb8e0c4e51f823d1
// 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
#ifndef __NR_quotactl_fd
#define __NR_quotactl_fd 443
#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, 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 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, loopfd = -1, 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) {
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    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) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
  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 (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      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;
  memcpy((void*)0x20000080, "ext4\000", 5);
  memcpy((void*)0x20000500, "./file1\000", 8);
  *(uint16_t*)0x20000040 = 0;
  memcpy(
      (void*)0x20000580,
      "\x78\x9c\xec\xdd\xcf\x6b\x1b\x57\x1e\x00\xf0\xef\xc8\x76\xd6\x49\x9c\xb5"
      "\xb3\xbb\xb0\xd9\xdd\xc3\x86\x24\xbb\x4e\x29\x96\x7f\x24\x0e\x49\x7b\x68"
      "\x4a\x0f\x3d\x94\x40\x69\xfe\x80\xe0\xda\xb2\x31\x96\x2d\x63\xc9\x69\x6c"
      "\x7c\x48\x28\xb4\x87\x1e\x7a\x09\xa4\xd0\x53\xef\xbd\x95\x92\x6b\xfe\x81"
      "\x40\x7b\x6a\x4b\xee\x85\x16\xd2\x36\x71\x0f\x29\xb4\xa8\x68\x34\x76\x82"
      "\x63\xc5\x86\x3a\x1e\x2a\x7d\x3e\xf0\x32\xf3\xe6\x49\xfa\x7e\x5f\x24\x8d"
      "\xe7\xcd\x1b\x34\x01\x74\xac\xe3\x11\x71\x31\x22\xba\x22\xe2\x85\x88\xe8"
      "\xcf\xb6\x17\xb2\x12\xd7\x9b\xa5\xf1\xb8\x87\x0f\xd6\x26\xd7\x1f\xac\x4d"
      "\x26\x51\xaf\x5f\xfe\x31\x49\xdb\x1b\xdb\x36\x5e\x2b\xc9\x96\x87\xb3\xa7"
      "\xf5\x46\xc4\x5b\xaf\x47\xbc\x9d\x3c\x1d\xb7\xba\xb2\x3a\x37\x51\x2e\x97"
      "\x96\xb2\xfa\x70\x6d\x7e\x71\xb8\xba\xb2\x3a\x34\x3b\x3f\x31\x53\x9a\x29"
      "\x2d\x9c\x39\x7b\x6e\xfc\xfc\x85\xb1\x91\xd1\xf1\x3d\xeb\xeb\xf2\x89\xcf"
      "\x6f\xdf\xbd\x79\xe9\xfd\x4f\x5f\x1b\x1a\xf9\xf2\xbd\x5f\xee\x36\xd2\xea"
      "\xcb\xda\x9e\xec\xc7\x5e\x6a\x76\xbd\x27\xfd\xbf\xd8\xd0\x1d\x11\x4b\xcf"
      "\x23\x58\x0e\xba\xb2\xfe\xf4\xe4\x9d\x08\x00\x00\xbb\xd2\x38\x86\xff\x5b"
      "\x44\x9c\x48\x8f\xff\xfb\xa3\x2b\x3d\x9a\x03\x00\x00\x00\xda\x49\xfd\x95"
      "\xbe\xf8\x35\x89\xa8\x03\x00\x00\x00\x6d\xab\x90\x5e\x03\x9b\x14\x8a\xd9"
      "\xb5\x00\x7d\x51\x28\x14\x8b\xcd\x6b\x78\xff\x11\x87\x0a\xe5\x4a\xb5\xf6"
      "\xe2\x74\x65\x79\x61\xaa\x79\xad\xec\x40\xf4\x14\xa6\x67\xcb\xa5\x91\xec"
      "\x5a\xe1\x81\xe8\x49\x1a\xf5\xd1\x74\xfd\x71\x7d\x6c\x4b\xfd\x4c\x44\x1c"
      "\x8d\x88\x9b\xfd\x07\xd3\x7a\x71\xb2\x52\x9e\xca\xfb\xe4\x07\x00\x00\x00"
      "\x74\x88\xc3\x5b\xc6\xff\x3f\xf7\x37\xc7\xff\x00\x00\x00\x40\x9b\x19\xc8"
      "\x3b\x01\x00\x00\x00\xe0\xb9\x33\xfe\x07\x00\x00\x80\xf6\x67\xfc\x0f\x00"
      "\x00\x00\x6d\xed\xcd\x4b\x97\x1a\xa5\xbe\x9e\xdd\xff\x7a\xea\xea\xca\xf2"
      "\x5c\xe5\xea\xd0\x54\xa9\x3a\x57\x9c\x5f\x9e\x2c\x4e\x56\x96\x16\x8b\x33"
      "\x95\xca\x4c\xfa\x9b\x7d\xf3\x3b\xbd\x5e\xb9\x52\x59\x3c\x1b\x0b\xcb\xd7"
      "\x86\x6b\xa5\x6a\x6d\xb8\xba\xb2\x7a\x65\xbe\xb2\xbc\x50\xbb\x92\xde\xd7"
      "\xfb\x4a\xc9\x7d\xa2\x01\x00\x00\x60\xff\x1d\xfd\xef\x9d\x6f\x92\x88\xb8"
      "\xfe\xd2\xc1\xb4\x34\x1c\xc8\xda\x8c\xd5\xa1\xbd\x15\xf2\x4e\x00\xc8\x4d"
      "\x57\xde\x09\x00\xb9\xe9\xce\x3b\x01\x20\x37\xc6\xf8\x40\xb2\x43\x7b\x6f"
      "\xab\x86\x2f\xf6\x3e\x17\x00\x00\xe0\xf9\x18\xfc\x97\xf9\x7f\xe8\x54\xe6"
      "\xff\xa1\x73\x99\xff\x87\xce\x65\xfe\x1f\x3a\x97\x31\x3e\x60\xfe\x1f\x00"
      "\x00\xda\x5f\x5f\x5a\x92\x42\x31\x9b\x0b\xec\x8b\x42\xa1\x58\x8c\x38\x92"
      "\xde\x16\xa0\x27\x99\x9e\x2d\x97\x46\x22\xe2\xaf\x11\xf1\x75\x7f\xcf\x5f"
      "\x1a\xf5\xd1\xbc\x93\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x80\x3f\x99\x7a\x3d\x89\x3a\x00\x00\x00\xd0\xd6"
      "\x22\x0a\xdf\x27\xd9\xfd\xbf\x06\xfb\x4f\xf5\x6d\x3d\x3f\x70\x20\x79\xd4"
      "\x9f\x2e\x23\xe2\x9d\x8f\x2f\xdf\xba\x36\x51\xab\x2d\x8d\x36\xb6\xff\xb4"
      "\xb9\xbd\xf6\x51\xb6\x7d\x2c\x8f\x33\x18\x00\x00\x00\xc0\x56\x1b\xe3\xf4"
      "\x8d\x71\x3c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\xec\xa5\x87\x0f\xd6\x26\x37\xca\x7e\xc6\xbd\xff\x6a\x44"
      "\x0c\x34\xe3\xaf\x67\xa5\xd9\xd2\x1d\xbd\xe9\xb2\x37\x7a\x22\xe2\xd0\x7a"
      "\x12\xdd\x4f\x3c\x2f\x89\x88\xae\x3d\x88\x7f\xfd\x46\x44\x1c\xdb\xae\xff"
      "\x49\x23\xad\x18\xc8\xb2\xd8\x1a\xbf\x10\x11\x07\x73\x8e\x7f\x78\x0f\xe2"
      "\x43\x27\xbb\xd3\xd8\xff\x5c\xdc\xee\xfb\x57\x88\xe3\xe9\x72\xfb\xef\x5f"
      "\x77\x56\xfe\xa8\x8d\xfd\xdf\xfa\x53\xfb\xbf\xc2\xe6\xfe\xaf\xab\xc5\xfe"
      "\xef\xc8\x2e\x63\x7c\xf5\xd9\x0f\xe7\x5b\xc6\xbf\x11\xf1\xef\xee\xed\xe2"
      "\x27\x9b\xf1\x93\x16\xf1\x4f\xee\x32\xfe\x7f\x46\x3f\xbc\xd7\xaa\xad\xfe"
      "\x49\xc4\x60\x6c\x1f\xff\xc9\x58\xc3\xb5\xf9\xc5\xe1\xea\xca\xea\xd0\xec"
      "\xfc\xc4\x4c\x69\xa6\xb4\x70\xe6\xec\xb9\xf1\xf3\x17\xc6\x46\x46\xc7\x87"
      "\xa7\x67\xcb\xa5\x91\xe6\xbf\xdb\xc6\x78\xe3\xe5\x77\x17\x9e\xd5\xff\x43"
      "\x2d\xe2\x0f\xec\xd0\xff\x53\xbb\xec\xff\xfd\x7f\xfe\xf6\xdd\xdf\x9f\x11"
      "\xff\xf4\xc9\xed\xdf\xff\x63\xcf\x88\xdf\xf8\x4c\xfc\x2f\xcb\xa3\xf1\xb7"
      "\xe0\xff\xd9\xb2\x51\x1f\xdc\x12\x63\xed\x83\x5b\x2d\x3f\x2a\x8d\xf8\x53"
      "\x2d\xfa\xbf\xd3\xfb\x7f\x7a\x97\xfd\xbf\x77\xfb\xdb\x47\xbb\x7c\x28\x00"
      "\xb0\x0f\xaa\x2b\xab\x73\x13\xe5\x72\x69\xc9\x8a\x15\x2b\x56\x36\x57\xf2"
      "\xde\x33\x01\x00\x00\x7b\xed\xf1\x41\x7f\xde\x99\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\xe7\xda\x8f\x9f\x13\xcb\xbb\x8f"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\xbb\xf1\x7b\x00\x00\x00\xff\xff\x3f\xa6\xd5\x6c",
      1187);
  syz_mount_image(0x20000080, 0x20000500, 1, 0x20000040, 1, 0x4a3, 0x20000580);
  memcpy((void*)0x20000000, ".\000", 2);
  syscall(__NR_mount, 0ul, 0x20000000ul, 0ul, 0xc04a6ul, 0ul);
  memcpy((void*)0x20000000, "./file0\000", 8);
  res = syscall(__NR_open, 0x20000000ul, 0x141042ul, 0ul);
  if (res != -1)
    r[0] = res;
  syscall(__NR_quotactl_fd, r[0], 0xffffffff80000302ul, 0xee01, 0ul);
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}