// https://syzkaller.appspot.com/bug?id=221438b6af9a44ea5b717b1c1a40205dec09bd14
// 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_io_setup
#define __NR_io_setup 0
#endif
#ifndef __NR_io_submit
#define __NR_io_submit 2
#endif
#ifndef __NR_memfd_create
#define __NR_memfd_create 279
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_openat
#define __NR_openat 56
#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");
  } else if (strncmp(fs, "gfs2", 4) == 0 &&
             (strstr(opts, "errors=panic") || strstr(opts, "debug"))) {
    strcat(opts, ",errors=withdraw");
  }
  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[2] = {0xffffffffffffffff, 0x0};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  memcpy((void*)0x20000040, "hfs\000", 4);
  memcpy((void*)0x20000080, "./file0\000", 8);
  *(uint16_t*)0x20000a40 = 0;
  *(uint32_t*)0x20000a42 = 0;
  sprintf((char*)0x20000a46, "%023llo", (long long)0);
  sprintf((char*)0x20000a5d, "%020llu", (long long)-1);
  memcpy(
      (void*)0x20000a71,
      "\x03\x04\xf0\x10\x2e\x1b\xe1\x28\x6a\x1b\x3c\x3d\xf7\x52\x65\x9f\x80\x5e"
      "\xda\xbb\xaa\x53\x7c\x3d\xc9\xad\xe9\x2a\x68\xe4\x7f\x8a\x97\xfc\xa2\x7a"
      "\x4c\x73\x6d\x24\x85\x3c\x4f\x46\xfb\x8a\xb8\x03\xd1\xed\xc7\x6d\xea\x13"
      "\xe6\x8f\xd1\xa6\xd2\x79\xde\xcc\x78\x22\xc0\x60\x92\x8d\xdd\x3f\xf4\x52"
      "\xe2\x2d\x1f\x55\x83\x61\xee\x87\x2a\xb9\x45\x01\x47\x35\xe1\x8c\xef\x17"
      "\xff\x1e\x33\xc1\x44\xdb\x6f\xe9\x54\x9d\x02\x95\xc9\xe0\xa1\x0f\xb1\xc4"
      "\x64\x0c\x0f\x8e\xe3\x57\xe7\x2e\x92\xbb\x00\xfa\x9c\xf3\xdc\x31\xd7\x04"
      "\xff\x19\x5f\xf0\x43\xaf\x12\x6e\x9d\x9f\x02\x6d\x1f\xf9\x83\x88\x91\x7b"
      "\xdc\x19\x96\x64\x58\x28\x70\x05\x60\xc9\xc1\xcf\x6b\xf5\x01\xa9\x81\x40"
      "\x2a\xfe\x7c\x96\x40\xa4\x96\x42\x56\x23\x04\x1c\x0b\xd5\xbc\x20\x0c\xea"
      "\xbc\x14\xcd\x0f\x31\xbc\x11\xe5\x60\x7d\x6d\x57\x75\x88\xf2\xfa\xed\x3f"
      "\x05\x5b\x79\x28\xb6\x5d\x41\xbe\xc5\x87\xb6\xb6\x84\xa3\x61\x5f\x6b\xe4"
      "\x4d\x9e\x71\xee\xe9\x18\x6e\x34\x2b\x74\x87\x68\xad\xc7\x17\x61\x29\x2f"
      "\x23\x3d\x24\x08\x53\xc8\x5c\x65\x62\xb7",
      244);
  *(uint32_t*)0x20000b65 = -1;
  memcpy(
      (void*)0x20000b69,
      "\x91\x2f\xb5\xee\xde\xe5\xd2\x3c\xc7\x87\x39\xd5\x69\x54\x0c\xa3\x1b\x9f"
      "\xcd\x81\x16\xd9\xaa\xf3\xb1\x62\x8a\xf9\x3c\x73\xcd\x9c\x53\x2b\x89\x2c"
      "\xb1\x27\xf1\xfc\x1f\x28\xec\xe1\x5a\xea\xe4\x7f\x3e\x5e\x3b\x48\x6e\x55"
      "\x84\x32\x5c\xe3\x78\xe4\x9e\x4f\x61\x2e\x55\x8d\x2c\x81\x34\xe3\x09\xb0"
      "\x18\x89\x5d\xa8\xd2\xf7\x99\x39\x22\x6a\xe5\xe6\xc2\x89\xe4\xa5\xc6\x97"
      "\x3f\x4a\x4b\x6c\x9b\x33\x55\x31\x20\x5c\x70\x99\xf7\x11\x8d\x25\xf7\x58"
      "\x97\xcc\x4e\x57\xee\xd0\xef\xec\xd5\x6a\xcf\xb2\x45\xde\x96\x26\x93\x48"
      "\x21\xde\x2a\xac\x87\x61\xe9\x07\xad\x73\xd3\x18\x68\xf7\x9d\x17\x88\x74"
      "\xf8\xc2\x9b\x5b\x29\x1e\x81\x64\x66\xda\xea\xbb\xb4\x4e\xf3\x28\x63\x82"
      "\x73\x26\x4a\xea\x2c\x42\xe2\x72\xd1\xca\xae\xbc\xfc\x8a\xe9\xbd\x01\x0c"
      "\x51\xf7\x6a\xb4\x19\x8f\x9a\x2b\x89\xa6\xb7\xe2\xc4\x14\x2a\x44\x42\xc8"
      "\x9e\x41\x53\x7c\xc0\xe8\x6f\x10\xf3\xfb\x95\xc9\xb8\x5b\x6e\x50\xec\xbb"
      "\x03\xe2\x69\x4f\x69\xdd\x32\xfa\x46\x6e\x9d\xb8\x68\xba\x21\x75\x70\x8a"
      "\x77\x0e\x17\x9f\x5a\x03\x6e\xcf\x84\x1d",
      244);
  memcpy(
      (void*)0x20000c5d,
      "\xcb\xa6\x87\x7e\xbf\x32\x50\x5c\x00\xf7\x66\x82\x4f\x68\x40\x5e\xc0\xf8"
      "\x42\x5e\x49\x9d\x29\x15\x11\x34\xab\xdc\x01\x1e\x3e\xe6\x09\x80\x08",
      35);
  memcpy(
      (void*)0x200015c0,
      "\x78\x9c\xec\xdd\xcf\x6a\x13\x5d\x18\xc7\xf1\xdf\x99\x49\x93\xf4\x6d\xdf"
      "\xbe\x79\x6d\x45\x10\x17\x52\x2d\xba\x51\xda\xba\x11\x37\x01\x29\x5e\x83"
      "\x0b\x15\xb5\x89\x50\x0c\x2d\xd6\x0a\xea\xc6\xe0\x5a\xbc\x00\xf7\x6e\xbc"
      "\x00\x2f\xc2\x95\x08\xae\x75\xe5\xca\x0b\xe8\x6e\xe4\x4c\x4e\x92\x33\xc9"
      "\x4c\xd2\xa4\x6d\x26\xb6\xdf\x0f\xa4\x99\xcc\x9c\x3f\xcf\x99\x49\x32\xe7"
      "\x19\x48\x47\x00\x4e\xad\xdb\x1b\x3f\x3e\xde\xf8\x65\x1f\x46\x0a\x15\x4a"
      "\xba\x25\x05\x76\xd3\x45\x15\x24\x9d\xd5\xb9\xf2\x8b\xed\xbd\xad\xbd\x46"
      "\xbd\x36\xa8\xa1\x50\x2a\x2b\x7e\x18\x29\xae\x69\xfa\xca\x6c\x6e\xd7\xd3"
      "\xaa\xda\x7a\x71\x0d\xa7\x62\x5f\x15\x34\xef\xaf\xc3\xf1\x88\xa2\x28\xfa"
      "\x99\x77\x10\xc8\x53\xd9\x3d\x87\x69\x1b\x03\xa9\xe4\x3e\x9d\xa1\x5f\xf8"
      "\x6f\x32\xd3\xf3\xba\x19\x4a\xcd\x9c\x62\x99\x16\x66\x5f\xfb\x7a\xa9\x85"
      "\xbc\xe3\x00\x00\xe4\xcb\xb4\xce\xef\x81\x3b\xcf\xcf\xbb\xf9\x7b\x10\x48"
      "\x2b\xee\xb4\xef\x9f\xff\xbf\xff\x9b\x73\xbc\x87\x73\x45\xfb\x79\x87\x90"
      "\x33\x77\xfe\x6f\xe7\x6a\x8a\x8c\x3d\xbe\xff\xc5\x9b\xba\xf9\x5e\x9c\xc2"
      "\xd9\xed\x41\x3b\x4b\x1c\xb5\x1f\x3b\x79\x2c\xaa\xf5\xce\x4a\x4c\x30\x4d"
      "\x32\xab\xec\x4f\x16\xe3\x58\x82\xd9\x27\x5b\x8d\xfa\xf5\xcd\x9d\x46\x2d"
      "\xd0\x5b\x55\x63\xc6\xcf\x0b\x97\x24\x55\x55\x73\x39\xab\x93\x88\xb6\xbf"
      "\xe9\xe5\x94\x75\x49\x45\x65\xb5\x36\x92\xb9\x78\x0c\x33\x76\x0c\xeb\xdd"
      "\xf8\xab\x55\xaf\xc8\x62\x5a\xa7\xe3\xf7\x38\x9c\xf9\x62\xbe\x9a\x07\xa6"
      "\xa2\x0f\xaa\x75\xe6\x7f\x85\xc8\xf8\x63\x76\x47\xea\xce\x8c\x8b\xdf\x66"
      "\x89\x59\xcd\xed\x3c\xbb\x6f\x9f\x2b\xf1\x28\x57\x33\x46\xf9\x7f\xdc\xc9"
      "\xf9\xe4\x8e\x1d\x38\xca\x30\x2b\x23\x91\xdb\x53\x51\xa8\xe4\x05\x82\x38"
      "\x82\x52\xa2\x4c\x7f\xad\xa2\x7a\x6a\xb5\x8e\xce\x5a\x56\x4f\xae\x9d\xc5"
      "\xd4\x5a\xeb\x43\x6a\x2d\xd9\x5a\x9f\xbc\x5a\xdd\x77\x73\x76\xcd\xe3\x66"
      "\xde\x9b\xbb\x66\x59\xbf\xf5\x59\x1b\xde\xfc\x3f\xb0\x7b\x7b\x45\xfd\x9f"
      "\xcc\xf4\x46\xe2\x92\xad\xbd\xb0\xea\xc6\xd3\x9b\x66\xb5\x14\xe2\x92\x15"
      "\x7f\x55\xf3\x42\x6a\xc9\x60\xbc\xf1\x9c\x6e\xa5\xd1\x8a\x77\xf7\xf1\x3b"
      "\x3d\xd6\x4d\x2d\x3c\x7f\xf5\xfa\xe9\xa3\x46\xa3\xbe\x3b\xe9\x05\x1b\xc3"
      "\xd1\x35\x78\x6f\x3e\x9f\x51\x4c\xdf\xc2\xb5\x83\x14\x6e\xbf\x09\xa6\x24"
      "\xe6\x31\x17\xec\x77\xac\xbf\x46\x95\xfa\x6e\x61\x32\xbd\x17\x0f\xbd\xeb"
      "\xca\x1a\x56\xa6\xd4\x28\xa8\x53\x38\x39\xd2\xde\x85\xf6\xc7\xfa\x00\xbd"
      "\xb7\x2f\xe0\x0d\x8d\xf0\x28\xbe\x9d\x30\xed\xba\x07\x3d\xbb\xcc\x9b\x49"
      "\x06\x84\x49\xb3\x5f\x1e\xa6\x95\xff\x79\xf9\xca\x6a\x9c\x22\xd9\x3f\x95"
      "\x01\xf3\xf4\x68\xd8\xb4\xcd\x6b\x71\x2d\xe8\x4c\x11\x3b\xb9\x41\x77\xfa"
      "\xf2\x8f\xd7\x92\x71\xd7\xe7\xb3\x33\xa0\xb9\xd4\x0c\xae\xa9\x11\x72\xae"
      "\x4b\x57\xa5\xcb\xde\xca\x21\x39\x57\x45\x67\xa4\x59\xe9\x84\x5c\x32\x37"
      "\x1b\xfa\xa6\x87\x27\x64\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\xa7\xc8\x24\x7e\xad\xe1\x75\xc7\x7f\xf4\x01\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x60\x0c\xd9\xf7\xff"
      "\x2d\xeb\x18\xef\xff\x9b\xf8\x1d\xc0\x81\xef\xff\x3b\xe2\xcd\x4e\x00\x0c"
      "\xf6\x27\x00\x00\xff\xff\x7f\x1a\x71\x41",
      730);
  syz_mount_image(/*fs=*/0x20000040, /*dir=*/0x20000080,
                  /*flags=MS_NODEV|MS_DIRSYNC*/ 0x84, /*opts=*/0x20000a40,
                  /*chdir=*/0x8b, /*size=*/0x2da, /*img=*/0x200015c0);
  memcpy((void*)0x20000080, "./file1\000", 8);
  res =
      syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000080ul,
              /*flags=O_NOCTTY|O_NOATIME|O_DIRECT|O_CREAT|FASYNC|0x2*/ 0x52142,
              /*mode=*/0);
  if (res != -1)
    r[0] = res;
  res = syscall(__NR_io_setup, /*n=*/0x20fe, /*ctx=*/0x20000540ul);
  if (res != -1)
    r[1] = *(uint64_t*)0x20000540;
  *(uint64_t*)0x20002680 = 0x20000240;
  *(uint64_t*)0x20000240 = 0;
  *(uint32_t*)0x20000248 = 0;
  *(uint32_t*)0x2000024c = 0;
  *(uint16_t*)0x20000250 = 1;
  *(uint16_t*)0x20000252 = 0;
  *(uint32_t*)0x20000254 = r[0];
  *(uint64_t*)0x20000258 = 0x20000200;
  memset((void*)0x20000200, 112, 1);
  *(uint64_t*)0x20000260 = 0x8200;
  *(uint64_t*)0x20000268 = 0x600;
  *(uint64_t*)0x20000270 = 0;
  *(uint32_t*)0x20000278 = 0;
  *(uint32_t*)0x2000027c = -1;
  syscall(__NR_io_submit, /*ctx=*/r[1], /*nr=*/3ul, /*iocbpp=*/0x20002680ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-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=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  loop();
  return 0;
}