// https://syzkaller.appspot.com/bug?id=5ecbc557fcdb8a2864e876f690ef377db999c50f
// 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, 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[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000040, "msdos\000", 6);
  memcpy((void*)0x20000000, "./file0\000", 8);
  memcpy((void*)0x20000100, "check=strict", 12);
  *(uint8_t*)0x2000010c = 0x2c;
  memcpy((void*)0x2000010d, "nodots", 6);
  *(uint8_t*)0x20000113 = 0x2c;
  memcpy((void*)0x20000114, "showexec", 8);
  *(uint8_t*)0x2000011c = 0x2c;
  memcpy((void*)0x2000011d, "nodots", 6);
  *(uint8_t*)0x20000123 = 0x2c;
  memcpy((void*)0x20000124, "flush", 5);
  *(uint8_t*)0x20000129 = 0x2c;
  memcpy((void*)0x2000012a, "dots", 4);
  *(uint8_t*)0x2000012e = 0x2c;
  memcpy((void*)0x2000012f, "uid", 3);
  *(uint8_t*)0x20000132 = 0x3d;
  sprintf((char*)0x20000133, "0x%016llx", (long long)0xee01);
  *(uint8_t*)0x20000145 = 0x2c;
  memcpy((void*)0x20000146, "nocase", 6);
  *(uint8_t*)0x2000014c = 0x2c;
  memcpy((void*)0x2000014d, "nodots", 6);
  *(uint8_t*)0x20000153 = 0x2c;
  memcpy((void*)0x20000154, "dos1xfloppy", 11);
  *(uint8_t*)0x2000015f = 0x2c;
  memcpy((void*)0x20000160, "usefree", 7);
  *(uint8_t*)0x20000167 = 0x2c;
  memcpy((void*)0x20000168, "tz=UTC", 6);
  *(uint8_t*)0x2000016e = 0x2c;
  memcpy((void*)0x2000016f, "nodots", 6);
  *(uint8_t*)0x20000175 = 0x2c;
  memcpy((void*)0x20000176, "dots", 4);
  *(uint8_t*)0x2000017a = 0x2c;
  memcpy((void*)0x2000017b, "dmask", 5);
  *(uint8_t*)0x20000180 = 0x3d;
  sprintf((char*)0x20000181, "%023llo", (long long)0x101);
  *(uint8_t*)0x20000198 = 0x2c;
  *(uint8_t*)0x20000199 = 0;
  memcpy(
      (void*)0x20000280,
      "\x78\x9c\xec\xdd\xb1\xea\xd3\x50\x14\x07\xe0\xd3\xda\xda\xe2\xd4\x4d\x10"
      "\x87\x80\x8b\x53\x51\x9f\xa0\x22\x15\xc4\x80\xa0\x74\xd0\x49\xa1\xba\xb4"
      "\x22\xd8\x25\x3a\xd5\xb7\xd0\xf7\xf3\x01\xa4\x53\xb7\x88\x4d\x6d\xb4\xd4"
      "\xad\xe9\xf5\xdf\x7e\xdf\x92\x03\x3f\x72\x73\x4f\x20\x37\x53\x6e\x5e\xdf"
      "\x7e\x3f\x9b\x7e\x58\xbc\xfb\x7e\xf3\x6b\xf4\xfb\xad\x68\x8f\x62\x14\xeb"
      "\x56\x0c\xa2\x1d\xbf\x2d\x03\x00\x38\x27\xeb\xb2\x8c\x1f\x65\x25\xf5\x5c"
      "\x00\x80\xd3\xf0\xfe\x07\x80\xcb\xf3\xe2\xe5\xab\xa7\x0f\xf3\x7c\xfc\x3c"
      "\xcb\xfa\x11\xab\x65\x31\x29\x26\xd5\xb1\xca\x1f\x3f\xc9\xc7\xf7\xb2\x8d"
      "\x41\x7d\xd6\xaa\x28\x26\xd7\x76\xf9\xfd\x2a\xcf\xfe\xce\xbb\x71\x63\x9b"
      "\x3f\x38\x98\x5f\x8f\xbb\x77\xaa\xfc\x57\xf6\xe8\x59\xbe\x97\xf7\x62\xda"
      "\x7c\xfb\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x90\xc4\x30\xdb\x39\xb8\xbf\xcf\x70\xf8\xaf\xbc\xaa\xfe\xd8\x1f\x68"
      "\x6f\xff\x9e\x4e\xdc\xea\x9c\xac\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\xb8\xd2\x16\x9f\x3e\xcf\xde\xcc\xe7\x6f\x3f\x5e"
      "\x46\xd1\x3d\xde\x80\x65\x99\xbe\x9d\x23\x17\x5f\x12\x5e\xfd\x5b\x44\xfc"
      "\x17\x37\xe1\x98\x45\x34\x31\x72\x44\x2c\x37\x45\x7b\xfb\x0c\x37\x33\xf9"
      "\x7a\x8d\xe8\xa5\x5a\x9c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\xe0\xc2\xd4\x1f\xfd\xa6\x9e\x09\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\xa4\x53\xff\xff\xbf\x81\x22\x62\x53\xa4\xee\x11\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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\xf3\xf7\x33\x00\x00\xff\xff\x0d\x39\x31\x95",
      409);
  syz_mount_image(0x20000040, 0x20000000, 0x3a100c8, 0x20000100, 1, 0x199,
                  0x20000280);
  memcpy((void*)0x200000c0, "./file0\000", 8);
  res = syscall(__NR_open, 0x200000c0ul, 0x40c2ul, 0ul);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000400, "./file0\000", 8);
  res = syscall(__NR_open, 0x20000400ul, 0ul, 0ul);
  if (res != -1)
    r[1] = res;
  memcpy(
      (void*)0x20001400,
      "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0"
      "\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b"
      "\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3"
      "\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8"
      "\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41"
      "\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56\x52\x8e\x9b\x79\x0b\x74\x05\x3d"
      "\x1e\xd6\x31\xc6\xec\x81\x26\xd3\x7c\x87\x21\x61\x73\x13\x8c\x00\xce\xf3"
      "\x96\x86\x80\x29\xaf\x5b\x76\xbe\xba\xc5\xe3\x8b\x74\xd8\xbb\xc6\xae\x66"
      "\xb6\xe2\x02\xb6\xd5\x05\x71\x03\x77\x71\x0e\xa7\xd4\x3e\xdf\x00\xe1\xa4"
      "\xc1\xc6\x70\xbb\x4c\x26\x3c\xe7\x77\xda\x81\xab\xdd\x5b\xa5\xa5\xc8\x2f"
      "\x67\x23\x2f\x9b\x4d\x6f\x21\xb2\xe6\xaf\xa8\xb3\x8e\x46\x42\xb0\xda\xa2"
      "\xac\xbc\x04\x78\xd8\x9b\x88\xe8\xb2\x09\x4d\x42\x48\x85\x5e\x5e\x81\x99"
      "\x2e\x60\xbe\x3a\xff\xf0\xf3\xc3\x79\x93\x50\x61\x54\x89\xa9\x01\xa6\x59"
      "\xab\xde\xca\x0c\x61\x5a\x62\x2e\xbf\x64\x17\x5f\x99\x03\x20\xe0\x35\x6d"
      "\x4a\x11\xed\x62\xef\xf7\x2b\x70\x9c\x23\xdd\x65\x94\x2e\x8b\x53\x4d\x7d"
      "\x77\x5d\x37\x0c\x1e\x43\x56\x54\xa2\x63\x4e\x6e\xe3\x64\x9c\x4c\x3b\xcb"
      "\xe3\x9e\x86\x6f\x1e\xb9\x97\x2a\xf1\xa9\xce\xf4\x2e\x70\x17\x98\xa5\x3d"
      "\xc9\x2a\x24\x2a\xad\xba\xc3\x43\xe1\x76\x5c\xf8\xea\x56\x65\xe2\x2d\xed"
      "\xa6\x97\x77\xe5\x2b\x1e\x9e\x5d\x3e\xdc\x02\x22\x56\x93\x9e\x1e\xee\x01"
      "\x34\x48\x29\x49\x11\x13\x9d\x5b\x9c\x62\x41\x04\x9f\xec\xdf\x9b\x31\xf4"
      "\xcd\xf6\xcf\xf6\x5d\x71\xb5\x07\x1e\xf7\x0e\x17\x98\x34\x7c\x88\x46\xaa"
      "\x5b\x90\x5e\x83\x05\x0e\x3e\x60\x69\x86\xed\x3f\x60\x3d\x18\xc5\xcd\xeb"
      "\x11\xcd\xa1\xce\x3a\xbd\xde\xa9\x37\x62\x31\xaf\x13\x0e\x19\xfc\x76\x01"
      "\xec\x1a\xb8\xcb\x5a\x7d\xe9\xe2\x17\x45\x47\xf1\x82\x25\xb0\x9a\x54\xfc"
      "\x87\x20\xdb\xb9\x1e\xb6\x9c\x1b\xe8\x8e\x60\x1c\x3c\x9d\xf4\xf2\x75\x8f"
      "\x39\xa5\x15\x19\x51\xb9\xc6\xdb\xb4\x19\xff\xd7\x83\xa3\x4c\x9f\xad\x10"
      "\xf2\x01\xb8\x72\x4d\x31\x86\x5e\x2f\xc1\xfc\xf4\x8d\xb2\xbe\x71\x30\x53"
      "\xb4\x3a\x0e\x39\x43\xc1\xe2\xb0\x8e\x8a\x26\xe9\x46\xc4\x39\xd8\x91\xdb"
      "\x2a\x80\xb5\xff\xa0\x54\xbc\x8d\x01\x77\xd3\x21\x40\x56\x25\x0c\x61\xa5"
      "\x37\xd2\xec\x76\x30\xfb\x90\x39\x5d\xf2\xcd\x6a\xa9\xc5\xe5\x73\x36\x5d"
      "\xb5\x80\x52\x0b\xdc\x3f\x1c\x6b\x2b\xe9\x92\xe1\x51\x6a\x4b\x81\x0a\x11"
      "\x93\x5d\xc7\x80\x69\x9e\x46\x1d\x97\x15\xf7\x0c\x6d\x10\x3f\xf4\x9b\xf1"
      "\x68\xf3\xcf\xf4\xc0\xd0\xd6\xba\x56\x71\xfc\xd2\x97\x54\x50\xb0\xe1\xa3"
      "\x47\x41\x39\xcb\x0f\x2d\x34\x76\xfc\xd8\x7a\x8b\xcc\xbe\xb2\xf5\xf8\xa8"
      "\x21\x01\x7b\x87\x9a\xa5\xb9\xd1\xfa\xfa\x9f\x4c\x42\x9a\x74\xcd\x2d\xa7"
      "\x82\x11\x4d\x97\xbf\x03\x17\x46\xa8\x17\xdd\x02\x93\xc4\xed\xdc\x3a\x9e"
      "\xcb\x5a\xfe\x49\x6f\x49\x71\x47\x4c\xcd\x82\x74\x49\x40\x9f\x07\xcf\x94"
      "\xdd\xa2\xe7\xdb\xe8\x52\x0b\x5a\xff\xf1\x0a\x7e\x3b\x0b\x42\x89\xa1\x67"
      "\xfc\x69\x26\x35\xb5\xb7\x42\x6d\x9e\x77\x1b\x95\x86\x0b\x09\xa3\xe7\x52"
      "\xc8\x67\x21\x3c\x77\x2e\x48\xba\x30\xa7\x8f\xee\xcc\x7f\xf2\x6e\x63\xe1"
      "\x74\x9c\x62\xb5\x2d\x37\x7a\xc5\xcc\x52\xdb\x83\x0c\x96\x5e\x04\xcc\xfc"
      "\xfb\x24\xce\xac\xc6\x9c\xfd\xc2\x09\x41\x24\xdd\x27\xb2\xd6\x8f\x69\x94"
      "\x76\xa2\x56\x2b\xab\x1d\xe1\x17\xff\xc2\xb0\x70\x2e\xe8\xb0\xb7\x7f\x85"
      "\xfe\xce\xc3\xa2\x5b\x37\xab\x7e\xb0\x62\x32\xc9\xa7\x3b\x44\x70\xf1\x72"
      "\x7c\x82\x58\x1d\x81\x94\x2a\xbf\x42\xd3\xea\x37\x95\x79\x27\xad\x3d\xbd"
      "\x0e\xbe\x46\x67\x8a\x9f\x4d\x25\xc4\x7a\xca\xac\x83\xc1\x42\x10\xa5\x4b"
      "\x71\xfe\xd4\x0d\xf0\x17\xe2\xbe\x27\xf0\x1e\x3e\x6e\xa3\xea\x38\x1c\xa1"
      "\x4e\xfd\x20\x28\x58\xe6\x53\x5a\xd4\xf7\x9a\x8c\xdf\x47\xe3\x85\xb7\x40"
      "\xa7\x0c\x14\xe3\x65\x17\x31\xa4\x5c\xc0\xca\x4a\x56\xf2\xe9\x03\xca\xd0"
      "\x38\x4e\xfc\xc3\x64\xca\xf6\x7e\x09\x55\x1d\x35\xc6\x82\xeb\xc9\x0a\x92"
      "\x86\xc4\xd2\x74\xba\x1b\x8c\xed\x74\x2e\xde\x4e\x55\xa6\x2d\xb7\xef\x9a"
      "\x96\xfd\xe2\xad\xd0\x5b\x41\x59\x9f\xd7\x2a\x79\xba\x28\x0c\xc1\x25\xcb"
      "\x26\x6e\xf2\x1b\x7e\xea\xfe\x3e\xe6\xaa\x78\xee\xf3\x3f\xc6\x64\x54\x54"
      "\x9c\x3e\xc2\x98\xcb\x68\x3a\x55\xa3\x22\x08\xcf\x6c\xe8\x8b\x56\x01\x66"
      "\x15\x9d\x59\xe6\x5f\x30\x54\x0f\x62\xc5\x43\x76\x52\xea\x7f\x2a\x02\xf8"
      "\x7c\xa2\x42\xdd\x22\x50\xf5\x8e\x75\x93\x8a\x9a\x3d\xed\x51\xae\x65\x98"
      "\xc2\xab\xa5\x32\x87\xff\x5c\xda\xab\x17\xbe\x7f\x43\x10\xf8\xe0\x7e",
      1025);
  syscall(__NR_write, r[0], 0x20001400ul, 0x401ul);
  memcpy((void*)0x200001c0, "./file0\000", 8);
  syscall(__NR_unlink, 0x200001c0ul);
  syscall(__NR_sendfile, r[0], r[1], 0ul, 0x11f06ul);
}
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);
  loop();
  return 0;
}