// https://syzkaller.appspot.com/bug?id=2c883fdf20dee207e81c3bfedce2735334c948ea
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <sched.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/resource.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/capability.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 void use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

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;
}

#define MAX_FDS 30

//% 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 setup_gadgetfs();
static void setup_binderfs();
static void setup_fusectl();
static void sandbox_common_mount_tmpfs(void)
{
  write_file("/proc/sys/fs/mount-max", "100000");
  if (mkdir("./syz-tmp", 0777))
    exit(1);
  if (mount("", "./syz-tmp", "tmpfs", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot", 0777))
    exit(1);
  if (mkdir("./syz-tmp/newroot/dev", 0700))
    exit(1);
  unsigned bind_mount_flags = MS_BIND | MS_REC | MS_PRIVATE;
  if (mount("/dev", "./syz-tmp/newroot/dev", NULL, bind_mount_flags, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/proc", 0700))
    exit(1);
  if (mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/selinux", 0700))
    exit(1);
  const char* selinux_path = "./syz-tmp/newroot/selinux";
  if (mount("/selinux", selinux_path, NULL, bind_mount_flags, NULL)) {
    if (errno != ENOENT)
      exit(1);
    if (mount("/sys/fs/selinux", selinux_path, NULL, bind_mount_flags, NULL) &&
        errno != ENOENT)
      exit(1);
  }
  if (mkdir("./syz-tmp/newroot/sys", 0700))
    exit(1);
  if (mount("/sys", "./syz-tmp/newroot/sys", 0, bind_mount_flags, NULL))
    exit(1);
  if (mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/proc/sys/fs/binfmt_misc",
            "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, bind_mount_flags,
            NULL) &&
      errno != ENOENT)
    exit(1);
  if (mkdir("./syz-tmp/newroot/syz-inputs", 0700))
    exit(1);
  if (mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL,
            bind_mount_flags | MS_RDONLY, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mkdir("./syz-tmp/pivot", 0777))
    exit(1);
  if (syscall(SYS_pivot_root, "./syz-tmp", "./syz-tmp/pivot")) {
    if (chdir("./syz-tmp"))
      exit(1);
  } else {
    if (chdir("/"))
      exit(1);
    if (umount2("./pivot", MNT_DETACH))
      exit(1);
  }
  if (chroot("./newroot"))
    exit(1);
  if (chdir("/"))
    exit(1);
  setup_gadgetfs();
  setup_binderfs();
  setup_fusectl();
}

static void setup_gadgetfs()
{
  if (mkdir("/dev/gadgetfs", 0777)) {
  }
  if (mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL)) {
  }
}

static void setup_fusectl()
{
  if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
  }
}

static void setup_binderfs()
{
  if (mkdir("/dev/binderfs", 0777)) {
  }
  if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) {
  }
}

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  if (getppid() == 1)
    exit(1);
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = (200 << 20);
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 32 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 136 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 128 << 20;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
  if (unshare(CLONE_NEWNS)) {
  }
  if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
  }
  if (unshare(CLONE_NEWIPC)) {
  }
  if (unshare(0x02000000)) {
  }
  if (unshare(CLONE_NEWUTS)) {
  }
  if (unshare(CLONE_SYSVSEM)) {
  }
  typedef struct {
    const char* name;
    const char* value;
  } sysctl_t;
  static const sysctl_t sysctls[] = {
      {"/proc/sys/kernel/shmmax", "16777216"},
      {"/proc/sys/kernel/shmall", "536870912"},
      {"/proc/sys/kernel/shmmni", "1024"},
      {"/proc/sys/kernel/msgmax", "8192"},
      {"/proc/sys/kernel/msgmni", "1024"},
      {"/proc/sys/kernel/msgmnb", "1024"},
      {"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
  };
  unsigned i;
  for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
    write_file(sysctls[i].name, sysctls[i].value);
}

static int wait_for_loop(int pid)
{
  if (pid < 0)
    exit(1);
  int status = 0;
  while (waitpid(-1, &status, __WALL) != pid) {
  }
  return WEXITSTATUS(status);
}

static void drop_caps(void)
{
  struct __user_cap_header_struct cap_hdr = {};
  struct __user_cap_data_struct cap_data[2] = {};
  cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
  cap_hdr.pid = getpid();
  if (syscall(SYS_capget, &cap_hdr, &cap_data))
    exit(1);
  const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
  cap_data[0].effective &= ~drop;
  cap_data[0].permitted &= ~drop;
  cap_data[0].inheritable &= ~drop;
  if (syscall(SYS_capset, &cap_hdr, &cap_data))
    exit(1);
}

static int do_sandbox_none(void)
{
  if (unshare(CLONE_NEWPID)) {
  }
  int pid = fork();
  if (pid != 0)
    return wait_for_loop(pid);
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  sandbox_common_mount_tmpfs();
  loop();
  exit(1);
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;

retry:
  while (umount2(dir, umount_flags) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    while (umount2(filename, umount_flags) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, umount_flags))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, umount_flags))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

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");
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void close_fds()
{
  for (int fd = 3; fd < MAX_FDS; fd++)
    close(fd);
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      setup_test();
      execute_one();
      close_fds();
      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;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  syz_mount_image$ext4 arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {65 78 74 34 00} (length 0x5)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x0 (8 bytes)
  //    opts: ptr[in, fs_options[ext4_options]] {
  //      fs_options[ext4_options] {
  //        elems: array[fs_opt_elem[ext4_options]] {
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x1 (1 bytes)
  //    size: len = 0x79e (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x79e)
  //    }
  //  ]
  //  returns fd_dir
  memcpy((void*)0x200000000000, "ext4\000", 5);
  memcpy((void*)0x200000000240, "./file0\000", 8);
  *(uint8_t*)0x2000000001c0 = 0;
  memcpy(
      (void*)0x200000000280,
      "\x78\x9c\xec\xdd\xcb\x6b\x5c\x65\x1b\x00\xf0\xe7\x4c\x6e\x4d\xda\xef\x4b"
      "\x3e\xf8\x40\xeb\x2a\x20\x68\xa0\x74\x62\x6a\x6c\x15\x5c\x54\x5c\x88\x60"
      "\xa1\xa0\x6b\xdb\x30\x99\x86\x36\x93\x4c\xc9\x4c\x4a\x13\x02\x6d\x11\xc1"
      "\x8d\xa0\xc5\x85\xa0\x9b\xee\x04\x2f\x75\xe7\xd6\xcb\x56\xff\x0b\x17\xd2"
      "\x52\x6c\x1a\x8c\xb8\x90\x91\x33\x99\x69\x27\xcd\x4c\x3a\x69\x6e\x8d\xf9"
      "\xfd\xe0\xb4\xef\x3b\xe7\x4c\x9e\xf7\x39\x97\xf7\xbc\x33\xe7\x30\x27\x80"
      "\x7d\x6b\x30\xfd\x27\x13\x71\x38\x22\x3e\x4a\x22\xfa\x6b\xaf\x27\x11\xd1"
      "\x55\x2d\x75\x46\x9c\x5c\x59\x6e\x79\x71\x21\x97\x4e\x49\x54\x2a\x6f\xff"
      "\x9e\x54\x97\x59\x5a\x5c\xc8\x45\xc3\x7b\x52\x07\x6b\x95\xa7\x23\xe2\xc7"
      "\xf7\x23\x8e\x64\xd6\xc6\x2d\xcd\xcd\x4f\x8e\x15\x0a\xf9\x99\x5a\x7d\xb8"
      "\x3c\x75\x71\xb8\x34\x37\x7f\xf4\xfc\xd4\xd8\x44\x7e\x22\x3f\x7d\x7c\x64"
      "\x74\xf4\xd8\x89\x97\x4e\x1c\xdf\xba\x5c\xff\xf8\x65\xfe\xd0\xed\x8f\xdf"
      "\x78\xfe\x9b\x93\x7f\xbd\xf7\xd4\xcd\x0f\x7f\x4a\xe2\x64\x1c\xaa\xcd\x6b"
      "\xcc\x63\xab\x0c\xc6\x60\x6d\x9d\x74\xa5\xab\x70\x95\xd7\xb7\x3a\xd8\x2e"
      "\x4b\xd6\x99\x77\x60\x07\xdb\xc1\xc6\xa4\x87\x66\xc7\xca\x51\x1e\x87\xa3"
      "\x3f\x3a\xaa\xa5\x16\x7a\x77\xb2\x65\x00\xc0\x76\xb9\x12\x11\x15\x00\x60"
      "\x9f\x49\x9c\xff\x01\x60\x9f\xa9\x7f\x0f\xb0\xb4\xb8\x90\xab\x4f\xeb\x7c"
      "\x5d\xb0\xce\xc5\x81\xbd\xe9\xce\x6b\x2b\x17\xa8\x96\x6a\xd7\x36\x97\xef"
      "\xe7\xdf\x59\xbb\x66\x77\xa0\x7a\x1d\xb4\x6f\x29\x59\x95\x7c\x12\x11\x03"
      "\x5b\x10\x7f\x30\x22\x3e\xff\xee\xdd\xaf\xd2\x29\xb6\xe9\x3a\x24\x40\x33"
      "\x57\xaf\x45\xc4\xd9\x81\xc1\xb5\xfd\x7f\xb2\xe6\x9e\x85\x8d\x7a\xa1\x8d"
      "\x65\x06\x1f\xaa\x37\xf4\x7f\xdd\x9b\x0c\x0f\x3c\xc2\xf7\xe9\xf8\xe7\xe5"
      "\x66\xe3\xbf\xcc\xfd\xf1\x4f\x34\x19\xff\xf4\x34\x39\x76\x1f\xc7\x3a\xc7"
      "\x7f\x4d\xe6\xd6\x16\x84\x69\x29\x1d\xff\xbd\xda\x70\x6f\xdb\x72\x43\xfe"
      "\x35\x03\x1d\xb5\xda\x7f\xaa\x63\xbe\xae\xe4\xdc\xf9\x42\x3e\xed\xdb\xfe"
      "\x1b\x11\x43\xd1\xd5\x93\xd6\x47\xd6\x89\x31\x74\xef\xef\x7b\xad\xe6\x35"
      "\x8e\xff\xee\x5e\xbf\x90\xf6\x79\xb9\xbb\xd7\x2f\x7c\xf9\x60\x89\xcc\xad"
      "\xce\x9e\xd5\xef\x19\x1f\x2b\x8f\x6d\x26\xe7\x46\x77\xae\x45\x3c\xd3\xd9"
      "\x2c\xff\x7a\xff\xbf\x72\x0f\x5b\xb3\xf1\xef\xe9\x36\x63\xbc\xf9\xca\x07"
      "\x9f\xb5\x9a\x97\xe6\x9f\xe6\x5b\x9f\xd2\xf8\xab\xf3\xdf\x5e\x95\x1b\x11"
      "\xcf\x35\xdd\xfe\x0f\xee\x68\x4b\xd6\xbd\x3f\x71\xb8\xba\x3b\x0c\xd7\x77"
      "\x8a\x26\xbe\xfd\xf5\xd3\xbe\x56\xf1\x1b\xb7\x7f\x3a\xa5\xf1\xeb\x9f\x05"
      "\x76\x42\xba\xfd\xfb\xd6\xcf\x7f\x20\x69\xbc\x5f\xb3\xb4\xf1\x18\x3f\xdf"
      "\xe8\xff\xa1\xd5\xbc\x47\xe7\xdf\x7c\xff\xef\x4e\xde\xa9\x96\xeb\x83\x84"
      "\xcb\x63\xe5\xf2\xcc\x48\x44\x77\xf2\xd6\xda\xd7\x8f\x3d\x78\x6f\xbd\x5e"
      "\x5f\x3e\xcd\x7f\xe8\xd9\xee\xa6\xc7\x7f\xbd\xff\x6b\xb6\xff\xa7\x9f\x09"
      "\xcf\xb6\x99\x7f\xe7\xed\x6b\x5f\x3f\x7e\xfe\xdb\x2b\xcd\x7f\x7c\x43\xdb"
      "\x7f\xe3\x85\x9b\xcb\x93\x1d\xad\xe2\xb7\xb7\xfd\x47\xab\xa5\xa1\xda\x2b"
      "\xed\xf4\x7f\xed\x36\x70\x33\xeb\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xda\x95\x89\x88\x43\x91\x64\xb2"
      "\xf7\xcb\x99\x4c\x36\xbb\xf2\x0c\xef\xff\x47\x5f\xa6\x50\x2c\x95\x8f\x9c"
      "\x2b\xce\x4e\x8f\x47\xf5\x59\xd9\x03\xd1\x95\xa9\xff\xd4\x65\x7f\xc3\xef"
      "\xa1\x8e\xd4\x7e\x0f\xbf\x5e\x3f\xf6\x50\xfd\xc5\x88\xf8\x5f\x44\x7c\xd2"
      "\xd3\x5b\xad\x67\x73\xc5\xc2\xf8\x6e\x27\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\x35\x07\x5b\x3c\xff\x3f\xf5\x5b\xcf\x6e\xb7\x0e"
      "\x00\xd8\x36\x07\x76\xbb\x01\x00\xc0\x8e\x73\xfe\x07\x80\xfd\x67\x63\xe7"
      "\xff\xde\x6d\x6b\x07\x00\xb0\x73\x7c\xfe\x07\x80\xfd\xc7\xf9\x1f\x00\xf6"
      "\x1f\xe7\x7f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\xb6\xd9\xe9\x53\xa7\xd2\xa9\xf2\xe7\xe2\x42\x2e\xad\x8f\x5f\x9a\x9b\x9d"
      "\x2c\x5e\x3a\x3a\x9e\x2f\x4d\x66\xa7\x66\x73\xd9\x5c\x71\xe6\x62\x76\xa2"
      "\x58\x9c\x28\xe4\xb3\xb9\xe2\x54\xcb\x3f\x74\x75\xe5\xbf\x42\xb1\x78\x71"
      "\x34\xa6\x67\x2f\x0f\x97\xf3\xa5\xf2\x70\x69\x6e\xfe\xcc\x54\x71\x76\xba"
      "\x7c\xe6\xfc\xd4\xd8\x44\xfe\x4c\xbe\x6b\xc7\x32\x03\x00\x00\x00\x00\x00"
      "\x00\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\xf6\x95\xe6\xe6\x27\xc7\x0a\x85\xfc\xcc"
      "\x9e\x29\x54\x2a\x95\x2b\x4f\x40\x33\xfe\x0d\x85\x8e\xda\x4e\xf0\xa4\xb4"
      "\x67\xcf\x15\x32\x9b\x58\x75\x5f\xec\x76\xe3\x1f\x51\x68\xec\x25\x7a\x77"
      "\xa7\x73\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd8\x03\xfe\x09\x00\x00"
      "\xff\xff\xaa\x8a\x25\x14",
      1950);
  syz_mount_image(/*fs=*/0x200000000000, /*dir=*/0x200000000240, /*flags=*/0,
                  /*opts=*/0x2000000001c0, /*chdir=*/1, /*size=*/0x79e,
                  /*img=*/0x200000000280);
  //  open arguments: [
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 62 75 73 00} (length 0x6)
  //    }
  //    flags: open_flags = 0x14d27e (8 bytes)
  //    mode: open_mode = 0x0 (8 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000180, "./bus\000", 6);
  syscall(__NR_open, /*file=*/0x200000000180ul,
          /*flags=O_TRUNC|O_SYNC|O_NOATIME|O_LARGEFILE|O_DIRECT|O_CREAT|0x3e*/
          0x14d27eul, /*mode=*/0ul);
  //  add_key$user arguments: [
  //    type: nil
  //    desc: nil
  //    payload: ptr[in, buffer] {
  //      buffer: {e1 33 fc 69 11 a0 a7 45 4c e3 18 38 16 1b 32 04 84 06 39 ea
  //      e8 67 d8 af 44 70 15 ad c5 00 7d d6 98 d3 99 6f d8 6c a1 13 9d 27 7c
  //      f5 32 d9 d2 da a2 2c 3d 15 16 ba a3 cd ec c0 ec 57 54 6a 1f f9 c5 db
  //      86 51 32 4f d7 7e ed e9 9a 2e 41 e4 57 51 e5 df 81 73 d6 a0 23 61 e4
  //      ae 15 c5 9e 4b 57 a6 58 2d 8f f7 80 dd b9 a9 f2 3d d4 21 92 65 43 e3
  //      b7 ef 70 e6 64 0e ce 39 14 55 56 15 7f 5d 56 01 fb 46 95 2e 77 5f f3
  //      d4 dc 10 1c 55 f4 19 9b 4a 35 43 a5 bf a6 f1 c5 5b da 2b 19 9a bf ee
  //      3a e5 a3 4b cb ae 83 7e ad 56 8a 17 73 f1 e7 e4 cb cf 55 c7 b1 f5 83
  //      0e 9e d1 3f bf 1e ab 10 b4 29 98 87 d1 59 a4 61 5a 0d 86 da c3 45 2c
  //      ae 81 1e c8 e0 da cb 08 61 57 87 f5 70 80 a1 c8 46 b3 fe 08 4b 51 45
  //      8c 07 e9 e1 5f 3c 9c bc e4 e3 10 17 ad da ee af 58 10 1a c2 47 ea b3
  //      75 43 bd 0a 30 64 20 89 08 d2 32 11 8b 0e d6 d0 c3 17 fe b3 01 b9 7d
  //      ea 2b 07 61 5d 5d f1 6c 15 cb 5b 9c 92 40 77 23 5f 09 a1 d8 5c 1c 09
  //      81 99 58 27 c2 90 4a 86 a7 a9 30 81 29 73 0a b0 d5 90 87 24 1e 86 a4
  //      92 59 35 dd 6f 1b 33 c4 39 c7 f1 b0 a6 ba 29 69 6e ad b1 08 d2 15 6e
  //      d7 cd 11 86 f2 a2 ff bd 5d 87 5a bd c0 e2 89 a0 33 c7 06 6e 19 c1 4c
  //      a9 1f 58 3b 20 0e 56 f4 37 25 f9 e0 f8 83 ea 61 e1 12 8a 49 17 2e 80
  //      08 64 57 9c a8 f3 e8 75 e7 7e c7 e0 7d 37 69 e1 e0 5b fb a8 70 32 6b
  //      0a f0 d8 b4 6a aa 92 00 2c e8 b0 6b 28 d3 a9 d7 fe 83 0a 37 47 34 f4
  //      d5 ec a7 3c 87 ad 42 11 ed 74 f7 48 d6 53 e4 6c fe c7 dd b7 46 6e 21
  //      ed ab 31 c5 e9 40 48 5f 4a 0c e7 57 37 98 7a da 8b c6 b4 0a 33 a5 ca
  //      48 ae 9b f8 98 b6 99 28 ad b0 6f 28 59 00 3c 87 08 e6 22 a8 4a 19 14
  //      dd 90 8e 12 3b dc 42 05 bd b5 22 47 c8 c2 3c 66 6b 95 f8 ce 91 08 26
  //      64 b2 0c 71 64 91 f5 50 1a bc 58 13 2a 99 d2 6a b2 f0 b6 94 48 7c 7a
  //      25 9b b7 1f 32 0d 24 44 09 74 f6 92 0f 91 c6 40 67 6c 87 66 0c 2a fb
  //      62 5e b1 30 52 d9 de 22 bd 14 bf 80 8a 01 d8 c4 b4 fc f4 81 d8 b0 bf
  //      24 07 2e 3e 09 99 8c f2 bd 14 3c 72 4a a1 aa 1a 19 73 bd b3 24 b0 2a
  //      bf 08 be 32 c2 e2 8d 93 a7 a8 49 62 50 77 38 1b 1c df c1 ca 7f b8 2b
  //      d4 90 e6 c2 95 4b c3 21 5d ee b6 c3 33 bc b4 b6 87 2c 45 3a ac 32 44
  //      5d 94 4b 3d df 06 78 8c bc 03 89 9c 31 b7 d9 e9 92 0b 61 ac ef 48 2a
  //      99 4a 2b 06 d6 cc 0c 11 4f d6 e9 6f 75 4a db b1 90 75 c4 ec 55 ca 60
  //      e6 7a eb 16 32 80 da 3b 2b 8e 43 55 53 63 d6 ac f1 5b c3 77 02 2a 8e
  //      1c ea 3c 8e f5 78 83 46 4a 0b 74 8a f6 e1 ba ce a5 7e da 0d ed 6e 42
  //      e9 5d 11 73 54 c6 4a 2e 16 93 e5 e0 d3 d3 94 a5 26 f7 70 9e f5 03 7f
  //      f9 20 a8 12 5b 84 66 17 ca d6 61 0d a5 2b b3 a3 de 45 32 bf ec 83 65
  //      15 c5 ec 03 d6 f5 7f 9e 40 d8 1b f1 32 93 cb 82 9c a9 d3 02 1a 0c 37
  //      c0 fa 54 d8 43 12 c0 47 d8 9b 99 af 21 c6 a8 24 22 f0 0d 0c 79 0b 8c
  //      1e 02 32 ee 3d 7f 5c a9 33 ff 44 96 cf e5 60 14 0a e0 82 f2 36 92 3d
  //      14 d9 5d a3 f1 71 15 f6 f0 35 cd b1 7c 76 d1 ae 20 39 7b 85 5b 9b ff
  //      a9 e6 41 96 34 7f 05 66 6b d2 10 91 42 df 6f 0c 50 27 62 5c 56 b9 59
  //      cd 45 20 54 a9 82 0d 3c 68 c6 15 ea 93 f6 48 78 ff e6 f9 35 0d 3b 05
  //      66 48 75 25 3e c5 d6 9f 0a 08 85 ea 70 84 ae 60 6a 4d cf 84 56 0a 0e
  //      8f 77 00 d4 17 be f0 aa bc 1f 6a 34 ec b1 83 1a e0 8d f0 5a c7 73 6f
  //      00 93 62 ed c5 75 a5 71 d5 5c c7 2d 49 9a 4e ac ec e9 a8 56 fd 67 73
  //      f8 d7 58 df 42 f3 7c a7 f5 00 d2 93 82 10 28 6c 0d 1a 57 f2 54 85 e4
  //      1d 2c c5 ce 39 4e db 19 d5 a8 c0 3b e2 ae a5 b2 af e2 78 77 42 f6 fb
  //      f6 c8 82 2d f5 82 1d d0 2f 92 d6 e4 69 c7 86 7b 1e 36 90 4c 6c fc 84
  //      7d b1 80 46 53 4a 0c c1 bb 7b 41 66 7a 35 60 6d 2b c7 bc a7 e9 53 54
  //      14 ca 1a a7 6a 81 e5 b2 c3 ff 56 37 36 5e cd 50 11 36 c0 af 65 ca f5
  //      2a a4 eb f1 a2 01 91 4d bc 34 97 6c 85 6e 72 78 42 50 4f 96 28 03 f7
  //      76 5b 23 06 ad 85 7d 4a 2c a2 12 88 cd 52 46 9f ca 64 0f f5 3b f5 d3
  //      5c 74 e7 71 ed d1 de 3a 8c a4 3d 21 3c a3 01 40 7f 13 ce 19 4d d0 21
  //      2c 6e 36 09 30 e9 9e c6 a9 b8 fd 76 b6 08 7f 85 28 ca 4f 42 d9 93 16
  //      cf 58 de 49 5c bd 2c 35 15 2f 8d 6c 93 2c 2f 5d 17 fe b2 58 f2 c7 77
  //      0c 32 db cf 6b 87 9e 23 5f c1 41 6a dc 76 d8 b4 7c 25 61 25 c4 c7 1e
  //      a1 7c fc d2 b6 0f 08 fa 71 a6 2f 99 e9 cb f0 20 e2 ba 6b fd 94 08 10
  //      b8 2c 85 87 08 a2 ef 1b be 1c 5a 54 73 e4 e7 64 03 a4 5c cd 8d a2 0f
  //      aa ea de 50 de c1 fe 8a 9c c8 29 90 c8 e2 63 53 b3 6e 84 3f 4c 1b e5
  //      03 a2 73 78 93 a6 94 00 73 85 b2 c2 0a 14 af 14 93 b7 08 f9 08 a7 62
  //      01 22 f0 8a 9c c9 68 b0 a9 64 92 71 e0 7f 8d 07 d5 ff e7 39 f5 9d ee
  //      3b 0f a7 dd 23 62 f4 5a b7 30 7e 75 62 6c ba 27 c7 30 a1 57 38 49 17
  //      a5 46 e0 d7 7f 7b 20 1b d2 9b 34 5e 7b 19 46 cf 34 68 dc 13 67 8d b7
  //      d2 2f 22 27 1d 2e bc 1e c0 8e 4c 9a 78 0d 77 d0 3d 13 91 6c 0c 96 ad
  //      1a 12 f4 cf 48 98 1e 49 ae 5b a6 33 2e bd 93 2a c3 80 d0 66 c2 3d 1c
  //      6a 45 f4 7e 48 9b ef 90 b4 cb e2 dd 29 19 3c 65 39 ca c8 e4 81 d5 55
  //      1a 0a dd 66 b1 9a 8b 28 6b 3c 13 70 f3 4c 7d b8 be 5d 99 88 9d 75 ba
  //      3f 77 d8 c6 85 bc 17 fb c4 a9 bb f9 08 25 a7 6f 62 2c 8d 34 8c 10 f3
  //      1a 2f 0f ee f3 a7 b4 6a 9e 50 14 65 46 20 7f 41 9c 9e 10 96 a3 9d 0a
  //      36 69 0c 3d eb 43 73 64 62 02 5b e7 38 1b 62 4d 78 49 c1 7a de d7 90
  //      d4 f8 a2 8b 7a f6 90 9c ff c9 76 c5 40 78 e4 2a b0 21 77 ad 31 eb 0e
  //      c6 3f 93 7e a9 c9 83 19 36 02 eb 08 f3 d6 ab 85 a0 fe a8 35 95 a4 00
  //      b3 08 d7 83 08 9b b8 18 56 fe ac 53 d5 0f 4e c2 53 ca 46 ae 77 f2 56
  //      82 d5 11 d7 d3 2f 72 74 71 59 34 3d 54 bd b2 be 27 67 db ed 8a b0 a8
  //      5d fa 9a 56 ab 1f 07 31 e3 f9 ca c6 15 88 b3 e9 d4 23 09 f9 38 aa 57
  //      87 8b 5a 84 db 67 77 9f ee 8d d8 92 77 a7 94 77 1f cf 95 04 51 49 52
  //      9c 98 aa 54 0a 5d c1 71 29 59 61 7f 1c 66 82 61 b3 7f 71 b3 d7 cb 63
  //      f0 c1 de 40 df 4a f3 e6 d4 9f 75 60 6b e6 4f 45 2e ad 78 67 a3 d7 30
  //      ac 51 65 f0 38 61 77 08 44 50 c1 64 29 ac 2f 78 c3 2a 1a f8 61 b4 7b
  //      c7 c5 3c 2a ca dd f7 8c 1a 34 93 de 78 93 16 2c fa 36 c8 f0 91 e6 18
  //      6e 79 d0 7e ba e1 29 a7 7c 16 79 5d 8b f8 5c 3d cc b8 cd 97 a2 fc 39
  //      6c 48 5b 71 17 ba f4 23 5f 45 4e 3e 1d e3 d1 60 9d 3e 98 d2 3e d5 18
  //      64 2e 72 b5 fe 25 8d 3e e4 e2 f4 e0 fc 67 31 7f a7 a3 92 3d 60 29 5f
  //      6e c9 ac 3d 84 33 97 f3 19 ab 03 30 0c a8 a0 98 50 53 c1 5b 08 7b bb
  //      6a 6c 9f 5d 75 23 8b 4e 62 7f fa 2d 13 31 8c 44 38 13 bb 7f 12 9e f4
  //      3a 27 e2 e1 f9 b0 a5 50 23 58 5f 26 36 bb 0e 70 ee fd 36 5a 1f 04 ae
  //      06 bf b2 bf 39 dc 02 71 29 16 aa a3 74 70 ed 72 a9 e2 0e ea f8 6c da
  //      12 e2 3d 77 86 28 82 75 81 b3 b7 3c 54 42 32 8a 5f 09 79 d0 12 fa 17
  //      0f 31 25 f1 12 80 92 aa 96 c1 ac 63 39 32 fa 91 ce a9 66 97 4f 3c f7
  //      86 af 7f 5b c2 e7 07 02 17 3d 16 71 6c 4c db 35 85 63 65 7c 47 c9 72
  //      67 09 9e 8b 9a b0 5c 58 12 43 be 23 47 0c c3 38 41 0f 10 22 fa f4 f9
  //      bd f4 a1 78 5c 80 f7 d1 fa e3 d9 0a ab 43 d1 b8 80 46 b1 fa 4b a2 e9
  //      bb 1f 1a f4 6f 60 97 4f b2 a6 02 3a a3 7d 53 58 c0 0e 38 4c dd 3c a7
  //      ef cf 78 52 bc e7 e2 c3 f8 5d 5b a9 26 22 fa af ce 03 7f d4 5d 36 97
  //      5c 6d 87 ba cb 19 6e 04 d3 17 96 40 6e 9b 4b 46 a8 ff 79 73 d4 0f cd
  //      bc c6 d0 35 04 af 4f a0 3b 42 11 ad d5 3b 96 35 bf 6a 7e 17 51 a4 ba
  //      c0 c3 9c d5 0f dd 5e d1 bd e8 2a 2e d0 b3 09 4b 1c 12 67 6a 00 67 5a
  //      c5 23 60 c6 c7 d0 8a 4b 34 fd fb a2 ef 97 c7 b9 74 56 07 99 0e b2 89
  //      6a be 7c 00 1a 5e ab 4f a4 27 79 c4 f5 b2 7d c7 03 4e 6a 86 65 b7 4c
  //      c5 49 7c 4c bc 2f 2a a9 93 d6 17 43 61 33 38 ec 45 83 54 4c 4c 86 e2
  //      a3 d1 a7 f9 86 84 4b 5d 0b 96 2d 94 e8 7a c9 6e c8 32 36 c1 4d c4 07
  //      0f ab bb 2b 0c 10 76 c0 c9 f4 d7 35 b9 60 ca dc 1c 36 56 4a fa 80 46
  //      1f 11 d0 2c ee 17 95 08 76 e3 a4 6e 8c 4c 6d d1 93 23 4d 5b 3c 11 07
  //      fa be 34 76 42 ae ba a4 6d 9c 04 b0 f8 60 90 a5 e0 20 42 5e 1b 8b 00
  //      43 b5 8e 44 c7 19 49 da 6a 50 cf b8 48 f8 6f af 55 21 8c 69 54 f8 25
  //      81 34 ab 0d dd f1 be 10 25 ed e7 36 da 98 e1 76 61 78 6b 2b 3a e6 1b
  //      d0 f8 13 a4 cd c4 a9 7d 58 dc 14 1b c5 63 e0 a3 1b 50 25 47 19 52 c8
  //      92 41 7b 08 6e d2 e5 0d e7 41 83 f2 a6 d7 25 73 3a b0 e9 08 fe e0 7f
  //      a7 6f 7a 9c 69 90 27 00 47 35 e2 7c 00 1a 37 f5 a8 e5 4a 4f a6 20 c8
  //      f7 47 78 2d de 71 5d 24 01 5e 61 74 f6 f8 89 9e 8d 27 5e 8c 9b cb 25
  //      a1 b2 ae ff 10 ff 30 f5 80 5f 1e 1c 24 78 72 f6 d4 c8 37 46 f3 5c ae
  //      d8 01 68 3d 65 12 e9 b5 38 9b 5a 1a ce 3f 33 f9 9c 6f de 41 c9 07 63
  //      08 f7 73 49 93 66 b6 32 43 ee 39 7b 2d 02 0f 38 33 77 db b2 b3 20 2c
  //      18 7e ba 58 ce b3 ec 43 0f cb 43 07 54 a3 5f d8 c0 7b 34 fd 5c 65 12
  //      5e 78 77 9e 82 47 f5 9f 85 9c 7d 92 c2 a5 a4 df 06 d3 d2 b4 5d f7 66
  //      71 d4 7d 64 0a 05 eb 41 a7 7f 0f 0f 01 a2 07 49 61 32 c9 16 b5 22 da
  //      20 fc 9f ad 3f e7 98 99 2b b0 01 0e 3b ef d2 e9 c1 66 3c e4 a5 7c b7
  //      d0 15 33 cd 20 47 e8 db 30 97 8d 82 ef bd f9 63 fc 35 c9 f4 db a3 57
  //      76 85 44 ef 2f 52 28 b6 05 80 83 fa 97 8b b1 bc 97 cc f8 cb cd e5 f9
  //      5b c6 92 f3 45 33 1f bf 9a 96 a6 9e c6 f7 98 cc cc f7 3d db 50 96 9c
  //      97 19 5e 2a 7f 1c 93 19 14 5d 87 bf af 74 fe b9 54 79 37 5e 38 b6 14
  //      79 24 1a 5c 9d 75 32 70 41 b2 bf 5a d3 92 d7 ae 2d d6 0e 36 4f 88 ea
  //      96 45 bf 9b 73 97 b1 c3 d7 e4 3b 0e cc e4 a5 96 17 b0 44 d8 07 d2 1c
  //      47 b0 2e fb 1d a2 9c c2 75 93 62 94 c0 64 40 68 8d fd 05 5e ab e7 0b
  //      10 4d da 0c 39 dd fd ec 05 98 c1 8c 39 4d d5 87 01 57 48 a5 dc 73 6c
  //      d6 95 b7 3b ad 96 31 fb 54 19 ec db 25 7d aa 5e a7 ef 3c 2a a2 d9 aa
  //      d6 6e 8c 79 f3 d2 e8 03 74 66 76 4c d9 8c 57 1d 11 69 8e 94 06 bd f7
  //      2d 79 cd 1e 77 69 cc d4 17 10 4e c3 75 6d 43 3f d7 7f 16 b1 56 b6 00
  //      77 1c 03 ce f0 76 aa 82 54 5b 01 a2 16 af 7e d1 ec 1b 5f 5c 3e a2 7f
  //      3a f2 da 0c 29 8b d4 9e 8a e9 7c 2d da 3f e3 83 98 49 3f 5b 26 7e a5
  //      80 d4 33 48 f8 64 9b 0e fb db 40 40 01 5f e6 42 a5 37 36 c8 14 0f 8b
  //      63 f5 88 40 4c 03 ea 9f c3 47 2c 44 da aa e8 fb ec 75 83 84 cd f3 f6
  //      0b f6 7d 0b 84 3f 98 6d da 80 6c 12 5e 22 3e e1 dc 91 93 28 94 ea 7d
  //      3d 41 91 83 96 89 cc 11 23 66 d4 52 b6 9b a9 f4 44 36 c9 6e 88 ec 96
  //      c0 e7 d2 62 ad e0 e2 1c 8e 73 54 20 32 81 41 6c d8 4e 07 fe c3 b1 49
  //      33 12 4b 81 0c c5 39 82 5c b7 ac b9 96 6b 6f 62 82 ac 45 6c 84 43 d3
  //      96 d7 6a 25 4b 91 33 8d b1 db 00 84 86 12 57 78 9a 5c d3 8a f2 ba 2f
  //      ae a4 6a fa 32 9a 0d 49 89 fd 7e 13 9b 0c 02 26 e0 db 74 04 f1 3c cb
  //      ac ed 6f 58 e2 b6 2f 7e af e2 84 ca 66 a5 cf 44 c6 4a ac 31 a9 a6 d0
  //      2d b0 9c 43 b0 c9 c3 6f ef 8d eb fd 98 a6 32 03 f5 66 82 43 7f 70 a6
  //      2e c9 37 25 b6 52 b7 67 b4 75 28 f5 70 6e 62 55 fc c4 3e fd cd b5 80
  //      b0 09 91 a8 70 3e 47 73 94 4b 14 60 e7 a3 4e 2b 9c ce fe b5 90 d5 d6
  //      50 42 c6 ce d7 12 90 62 1a 21 5c 85 ef e5 1e ce 62 40 bf 8d 72 30 78
  //      13 36 c5 50 dc a7 ec a8 fc aa c0 1b c9 0d bc 6c 5f fe 8b 84 8e e5 3b
  //      05 e7 3b cd 36 cf 5b 10 69 d5 a8 83 d0 0b e4 bb df 99 6b 00 38 d8 1c
  //      34 53 20 98 0a ee 33 b9 4c 12 62 3c e8 89 6a e9 2d 22 82 3d 5f ad c9
  //      fb 79 ad da 59 6a c3 ea bc c9 9b 9f 96 58 6a 9b 17 d7 0f d1 f3 c2 c0
  //      7f c5 1a b3 ba bb f0 62 cd 0f 90 89 bf 20 22 77 dd c6 f6 92 f0 ab fc
  //      fc f9 bf 0a 9c e8 2b 88 6f 1d 58 17 13 0e f4 84 4d ca 9e 6b bd 70 4f
  //      a0 c9 b2 bd 8e 61 04 50 2f e3 bc 31 22 fd 7e 11 c6 66 d0 2e 40 ad d3
  //      98 4b 44 2d 83 0d 8d 6b d5 77 f2 aa 50 00 27 a9 1e ae 3e 91 b9 ea ea
  //      19 37 cb 1a b7 95 6a 5f 69 6e 3b e9 3f a3 fc b3 3e d3 8a 92 09 ee b5
  //      cf 14 f9 a6 a3 df 18 01 9f 46 dd ef ce ef 96 27 01 41 1b f6 fc e3 1e
  //      ff 8e 50 b1 01 28 52 d1 58 15 1c 1c 49 13 37 cb 89 a7 e5 24 13 b7 34
  //      11 17 e9 0f 79 cc 78 12 86 67 01 21 9d 52 b7 69 0f c6 8b 79 b5 4c 74
  //      ce ae 94 08 08 58 e9 63 9a 04 ff 97 78 89 89 60 22 18 cf b7 32 c2 7b
  //      b0 ba 68 a4 50 c5 fc 27 28 51 e0 17 04 d8 fe 07 0e 33 b3 5d 74 54 7f
  //      7f 4c 94 6b f0 15 27 72 c8 4b 7f f2 29 7a 26 6c dd 23 f5 f6 3f 53 57
  //      c2 55 56 39 6e 40 97 8e 96 a1 4f e8 a7 9c 17 a7 3e cd 42 2d 91 24 3c
  //      f1 9b 97 81 f5 f6 a4 7a 06 fd 61 b4 fb 73 50 c3 a4 13 12 d0 4f b0 5b
  //      b3 90 2c 62 52 dd a5 45 ae d4 f6 c7 e7 fa aa 81 88 4b e4 a3 c0 fb 33
  //      fe fa 3a 53 58 2d a6 6e 7a 55 10 c9 92 d2 2c 09 b1 9d 65 7f 52 e2 af
  //      9d e6 90 3a b1 42 fc 36 7d e7 d7 92 cf 69 40 72 1f 6b c5 ea 9e be dd
  //      72 2f 2f c7 32 f3 61 f6 19 ed 47 67 ae 71 6e 97 db 92 eb 33 e3 b0 05
  //      a9 ca bf f3 76 a3 38 1a bb 7b dd 05 7f e3 f8 4b 75 ac c6 a3 ca f5 f5
  //      81 46 ef 9c 7d 89 be c3 ec 77 c4 d3 0e 39 71 a8 94 03 45 20 0e b0 8f
  //      42 7c c1 de 94 c9 e7 72 c8 cc 1b ef 8f c5 18 43 e0 6a c1 9c c4 1e 02
  //      6a 5e 54 ad a2 97 d1 b4 17 29 92 1b 08 93 57 17 2b c6 0e 8f 11 a1 0b
  //      f2 7b 61 ca 25 dd e1 b5 ed 55 1b c4 d5 e6 46 44 bf 8f 76 db 05 3c 79
  //      89 bf 77 68 31 55 bd b0 6b 3d b0 eb bd ba cb e2 9e 3b fe 17 dd 1f 64
  //      f6 da a0 95 1a 1a 30 35 23 ac 84 53 74 75 9d 9d 3d fb f9 e4 74 6c a3
  //      66 b1 d6 3e e5 07 35 3a d0 2f c7 71 5b ae 02 45 8a 9c c2 bd f0 78 b6
  //      cc 3b 0b c8 c7 ec 33 a3 90 e2 74 57 5b e2 b6 a8 8d 7c c5 ce 9e 90 93
  //      be f4 45 7e 7d 4b 48 d3 8a 12 98 46 bd 6b 58 56 e2 1f f1 40 26 a6 b0
  //      5d 28 1f c3 2c 10 d7 83 8e cc 63 00 7c bb 53 f1 73 0d db 35 89 43 3e
  //      bb b7 41 2b 94 85 aa b8 b6 4e 3a 20 55 69 f4 f0 84 12 93 c2 da ec bd
  //      71 87 6a 9f ea ea bc 8a d9 18 2f 3c 79 f9 b9 53 0f a0 6d e8 2b 97 ef
  //      c4 27 a8 6d 01 7e 31 ae be 28 71 3c c3 4b 98 af 7f 78 1f cb 2c bb 65
  //      da 48 08 ba fc 5a d5 09 a4 5f da 11 ea 84 49 da 9e 63 65 e0 5a 2c 44
  //      44 c9 98 13 cf} (length 0x1000)
  //    }
  //    paylen: len = 0x1000 (8 bytes)
  //    keyring: keyring (resource)
  //  ]
  //  returns user_key
  memcpy(
      (void*)0x200000000a40,
      "\xe1\x33\xfc\x69\x11\xa0\xa7\x45\x4c\xe3\x18\x38\x16\x1b\x32\x04\x84\x06"
      "\x39\xea\xe8\x67\xd8\xaf\x44\x70\x15\xad\xc5\x00\x7d\xd6\x98\xd3\x99\x6f"
      "\xd8\x6c\xa1\x13\x9d\x27\x7c\xf5\x32\xd9\xd2\xda\xa2\x2c\x3d\x15\x16\xba"
      "\xa3\xcd\xec\xc0\xec\x57\x54\x6a\x1f\xf9\xc5\xdb\x86\x51\x32\x4f\xd7\x7e"
      "\xed\xe9\x9a\x2e\x41\xe4\x57\x51\xe5\xdf\x81\x73\xd6\xa0\x23\x61\xe4\xae"
      "\x15\xc5\x9e\x4b\x57\xa6\x58\x2d\x8f\xf7\x80\xdd\xb9\xa9\xf2\x3d\xd4\x21"
      "\x92\x65\x43\xe3\xb7\xef\x70\xe6\x64\x0e\xce\x39\x14\x55\x56\x15\x7f\x5d"
      "\x56\x01\xfb\x46\x95\x2e\x77\x5f\xf3\xd4\xdc\x10\x1c\x55\xf4\x19\x9b\x4a"
      "\x35\x43\xa5\xbf\xa6\xf1\xc5\x5b\xda\x2b\x19\x9a\xbf\xee\x3a\xe5\xa3\x4b"
      "\xcb\xae\x83\x7e\xad\x56\x8a\x17\x73\xf1\xe7\xe4\xcb\xcf\x55\xc7\xb1\xf5"
      "\x83\x0e\x9e\xd1\x3f\xbf\x1e\xab\x10\xb4\x29\x98\x87\xd1\x59\xa4\x61\x5a"
      "\x0d\x86\xda\xc3\x45\x2c\xae\x81\x1e\xc8\xe0\xda\xcb\x08\x61\x57\x87\xf5"
      "\x70\x80\xa1\xc8\x46\xb3\xfe\x08\x4b\x51\x45\x8c\x07\xe9\xe1\x5f\x3c\x9c"
      "\xbc\xe4\xe3\x10\x17\xad\xda\xee\xaf\x58\x10\x1a\xc2\x47\xea\xb3\x75\x43"
      "\xbd\x0a\x30\x64\x20\x89\x08\xd2\x32\x11\x8b\x0e\xd6\xd0\xc3\x17\xfe\xb3"
      "\x01\xb9\x7d\xea\x2b\x07\x61\x5d\x5d\xf1\x6c\x15\xcb\x5b\x9c\x92\x40\x77"
      "\x23\x5f\x09\xa1\xd8\x5c\x1c\x09\x81\x99\x58\x27\xc2\x90\x4a\x86\xa7\xa9"
      "\x30\x81\x29\x73\x0a\xb0\xd5\x90\x87\x24\x1e\x86\xa4\x92\x59\x35\xdd\x6f"
      "\x1b\x33\xc4\x39\xc7\xf1\xb0\xa6\xba\x29\x69\x6e\xad\xb1\x08\xd2\x15\x6e"
      "\xd7\xcd\x11\x86\xf2\xa2\xff\xbd\x5d\x87\x5a\xbd\xc0\xe2\x89\xa0\x33\xc7"
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      "\x83\xea\x61\xe1\x12\x8a\x49\x17\x2e\x80\x08\x64\x57\x9c\xa8\xf3\xe8\x75"
      "\xe7\x7e\xc7\xe0\x7d\x37\x69\xe1\xe0\x5b\xfb\xa8\x70\x32\x6b\x0a\xf0\xd8"
      "\xb4\x6a\xaa\x92\x00\x2c\xe8\xb0\x6b\x28\xd3\xa9\xd7\xfe\x83\x0a\x37\x47"
      "\x34\xf4\xd5\xec\xa7\x3c\x87\xad\x42\x11\xed\x74\xf7\x48\xd6\x53\xe4\x6c"
      "\xfe\xc7\xdd\xb7\x46\x6e\x21\xed\xab\x31\xc5\xe9\x40\x48\x5f\x4a\x0c\xe7"
      "\x57\x37\x98\x7a\xda\x8b\xc6\xb4\x0a\x33\xa5\xca\x48\xae\x9b\xf8\x98\xb6"
      "\x99\x28\xad\xb0\x6f\x28\x59\x00\x3c\x87\x08\xe6\x22\xa8\x4a\x19\x14\xdd"
      "\x90\x8e\x12\x3b\xdc\x42\x05\xbd\xb5\x22\x47\xc8\xc2\x3c\x66\x6b\x95\xf8"
      "\xce\x91\x08\x26\x64\xb2\x0c\x71\x64\x91\xf5\x50\x1a\xbc\x58\x13\x2a\x99"
      "\xd2\x6a\xb2\xf0\xb6\x94\x48\x7c\x7a\x25\x9b\xb7\x1f\x32\x0d\x24\x44\x09"
      "\x74\xf6\x92\x0f\x91\xc6\x40\x67\x6c\x87\x66\x0c\x2a\xfb\x62\x5e\xb1\x30"
      "\x52\xd9\xde\x22\xbd\x14\xbf\x80\x8a\x01\xd8\xc4\xb4\xfc\xf4\x81\xd8\xb0"
      "\xbf\x24\x07\x2e\x3e\x09\x99\x8c\xf2\xbd\x14\x3c\x72\x4a\xa1\xaa\x1a\x19"
      "\x73\xbd\xb3\x24\xb0\x2a\xbf\x08\xbe\x32\xc2\xe2\x8d\x93\xa7\xa8\x49\x62"
      "\x50\x77\x38\x1b\x1c\xdf\xc1\xca\x7f\xb8\x2b\xd4\x90\xe6\xc2\x95\x4b\xc3"
      "\x21\x5d\xee\xb6\xc3\x33\xbc\xb4\xb6\x87\x2c\x45\x3a\xac\x32\x44\x5d\x94"
      "\x4b\x3d\xdf\x06\x78\x8c\xbc\x03\x89\x9c\x31\xb7\xd9\xe9\x92\x0b\x61\xac"
      "\xef\x48\x2a\x99\x4a\x2b\x06\xd6\xcc\x0c\x11\x4f\xd6\xe9\x6f\x75\x4a\xdb"
      "\xb1\x90\x75\xc4\xec\x55\xca\x60\xe6\x7a\xeb\x16\x32\x80\xda\x3b\x2b\x8e"
      "\x43\x55\x53\x63\xd6\xac\xf1\x5b\xc3\x77\x02\x2a\x8e\x1c\xea\x3c\x8e\xf5"
      "\x78\x83\x46\x4a\x0b\x74\x8a\xf6\xe1\xba\xce\xa5\x7e\xda\x0d\xed\x6e\x42"
      "\xe9\x5d\x11\x73\x54\xc6\x4a\x2e\x16\x93\xe5\xe0\xd3\xd3\x94\xa5\x26\xf7"
      "\x70\x9e\xf5\x03\x7f\xf9\x20\xa8\x12\x5b\x84\x66\x17\xca\xd6\x61\x0d\xa5"
      "\x2b\xb3\xa3\xde\x45\x32\xbf\xec\x83\x65\x15\xc5\xec\x03\xd6\xf5\x7f\x9e"
      "\x40\xd8\x1b\xf1\x32\x93\xcb\x82\x9c\xa9\xd3\x02\x1a\x0c\x37\xc0\xfa\x54"
      "\xd8\x43\x12\xc0\x47\xd8\x9b\x99\xaf\x21\xc6\xa8\x24\x22\xf0\x0d\x0c\x79"
      "\x0b\x8c\x1e\x02\x32\xee\x3d\x7f\x5c\xa9\x33\xff\x44\x96\xcf\xe5\x60\x14"
      "\x0a\xe0\x82\xf2\x36\x92\x3d\x14\xd9\x5d\xa3\xf1\x71\x15\xf6\xf0\x35\xcd"
      "\xb1\x7c\x76\xd1\xae\x20\x39\x7b\x85\x5b\x9b\xff\xa9\xe6\x41\x96\x34\x7f"
      "\x05\x66\x6b\xd2\x10\x91\x42\xdf\x6f\x0c\x50\x27\x62\x5c\x56\xb9\x59\xcd"
      "\x45\x20\x54\xa9\x82\x0d\x3c\x68\xc6\x15\xea\x93\xf6\x48\x78\xff\xe6\xf9"
      "\x35\x0d\x3b\x05\x66\x48\x75\x25\x3e\xc5\xd6\x9f\x0a\x08\x85\xea\x70\x84"
      "\xae\x60\x6a\x4d\xcf\x84\x56\x0a\x0e\x8f\x77\x00\xd4\x17\xbe\xf0\xaa\xbc"
      "\x1f\x6a\x34\xec\xb1\x83\x1a\xe0\x8d\xf0\x5a\xc7\x73\x6f\x00\x93\x62\xed"
      "\xc5\x75\xa5\x71\xd5\x5c\xc7\x2d\x49\x9a\x4e\xac\xec\xe9\xa8\x56\xfd\x67"
      "\x73\xf8\xd7\x58\xdf\x42\xf3\x7c\xa7\xf5\x00\xd2\x93\x82\x10\x28\x6c\x0d"
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      "\xe2\xae\xa5\xb2\xaf\xe2\x78\x77\x42\xf6\xfb\xf6\xc8\x82\x2d\xf5\x82\x1d"
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      "\x80\x46\x53\x4a\x0c\xc1\xbb\x7b\x41\x66\x7a\x35\x60\x6d\x2b\xc7\xbc\xa7"
      "\xe9\x53\x54\x14\xca\x1a\xa7\x6a\x81\xe5\xb2\xc3\xff\x56\x37\x36\x5e\xcd"
      "\x50\x11\x36\xc0\xaf\x65\xca\xf5\x2a\xa4\xeb\xf1\xa2\x01\x91\x4d\xbc\x34"
      "\x97\x6c\x85\x6e\x72\x78\x42\x50\x4f\x96\x28\x03\xf7\x76\x5b\x23\x06\xad"
      "\x85\x7d\x4a\x2c\xa2\x12\x88\xcd\x52\x46\x9f\xca\x64\x0f\xf5\x3b\xf5\xd3"
      "\x5c\x74\xe7\x71\xed\xd1\xde\x3a\x8c\xa4\x3d\x21\x3c\xa3\x01\x40\x7f\x13"
      "\xce\x19\x4d\xd0\x21\x2c\x6e\x36\x09\x30\xe9\x9e\xc6\xa9\xb8\xfd\x76\xb6"
      "\x08\x7f\x85\x28\xca\x4f\x42\xd9\x93\x16\xcf\x58\xde\x49\x5c\xbd\x2c\x35"
      "\x15\x2f\x8d\x6c\x93\x2c\x2f\x5d\x17\xfe\xb2\x58\xf2\xc7\x77\x0c\x32\xdb"
      "\xcf\x6b\x87\x9e\x23\x5f\xc1\x41\x6a\xdc\x76\xd8\xb4\x7c\x25\x61\x25\xc4"
      "\xc7\x1e\xa1\x7c\xfc\xd2\xb6\x0f\x08\xfa\x71\xa6\x2f\x99\xe9\xcb\xf0\x20"
      "\xe2\xba\x6b\xfd\x94\x08\x10\xb8\x2c\x85\x87\x08\xa2\xef\x1b\xbe\x1c\x5a"
      "\x54\x73\xe4\xe7\x64\x03\xa4\x5c\xcd\x8d\xa2\x0f\xaa\xea\xde\x50\xde\xc1"
      "\xfe\x8a\x9c\xc8\x29\x90\xc8\xe2\x63\x53\xb3\x6e\x84\x3f\x4c\x1b\xe5\x03"
      "\xa2\x73\x78\x93\xa6\x94\x00\x73\x85\xb2\xc2\x0a\x14\xaf\x14\x93\xb7\x08"
      "\xf9\x08\xa7\x62\x01\x22\xf0\x8a\x9c\xc9\x68\xb0\xa9\x64\x92\x71\xe0\x7f"
      "\x8d\x07\xd5\xff\xe7\x39\xf5\x9d\xee\x3b\x0f\xa7\xdd\x23\x62\xf4\x5a\xb7"
      "\x30\x7e\x75\x62\x6c\xba\x27\xc7\x30\xa1\x57\x38\x49\x17\xa5\x46\xe0\xd7"
      "\x7f\x7b\x20\x1b\xd2\x9b\x34\x5e\x7b\x19\x46\xcf\x34\x68\xdc\x13\x67\x8d"
      "\xb7\xd2\x2f\x22\x27\x1d\x2e\xbc\x1e\xc0\x8e\x4c\x9a\x78\x0d\x77\xd0\x3d"
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      "\x90\xb4\xcb\xe2\xdd\x29\x19\x3c\x65\x39\xca\xc8\xe4\x81\xd5\x55\x1a\x0a"
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      "\x9d\x75\xba\x3f\x77\xd8\xc6\x85\xbc\x17\xfb\xc4\xa9\xbb\xf9\x08\x25\xa7"
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      "\x43\x73\x64\x62\x02\x5b\xe7\x38\x1b\x62\x4d\x78\x49\xc1\x7a\xde\xd7\x90"
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      "\x2f\x78\xc3\x2a\x1a\xf8\x61\xb4\x7b\xc7\xc5\x3c\x2a\xca\xdd\xf7\x8c\x1a"
      "\x34\x93\xde\x78\x93\x16\x2c\xfa\x36\xc8\xf0\x91\xe6\x18\x6e\x79\xd0\x7e"
      "\xba\xe1\x29\xa7\x7c\x16\x79\x5d\x8b\xf8\x5c\x3d\xcc\xb8\xcd\x97\xa2\xfc"
      "\x39\x6c\x48\x5b\x71\x17\xba\xf4\x23\x5f\x45\x4e\x3e\x1d\xe3\xd1\x60\x9d"
      "\x3e\x98\xd2\x3e\xd5\x18\x64\x2e\x72\xb5\xfe\x25\x8d\x3e\xe4\xe2\xf4\xe0"
      "\xfc\x67\x31\x7f\xa7\xa3\x92\x3d\x60\x29\x5f\x6e\xc9\xac\x3d\x84\x33\x97"
      "\xf3\x19\xab\x03\x30\x0c\xa8\xa0\x98\x50\x53\xc1\x5b\x08\x7b\xbb\x6a\x6c"
      "\x9f\x5d\x75\x23\x8b\x4e\x62\x7f\xfa\x2d\x13\x31\x8c\x44\x38\x13\xbb\x7f"
      "\x12\x9e\xf4\x3a\x27\xe2\xe1\xf9\xb0\xa5\x50\x23\x58\x5f\x26\x36\xbb\x0e"
      "\x70\xee\xfd\x36\x5a\x1f\x04\xae\x06\xbf\xb2\xbf\x39\xdc\x02\x71\x29\x16"
      "\xaa\xa3\x74\x70\xed\x72\xa9\xe2\x0e\xea\xf8\x6c\xda\x12\xe2\x3d\x77\x86"
      "\x28\x82\x75\x81\xb3\xb7\x3c\x54\x42\x32\x8a\x5f\x09\x79\xd0\x12\xfa\x17"
      "\x0f\x31\x25\xf1\x12\x80\x92\xaa\x96\xc1\xac\x63\x39\x32\xfa\x91\xce\xa9"
      "\x66\x97\x4f\x3c\xf7\x86\xaf\x7f\x5b\xc2\xe7\x07\x02\x17\x3d\x16\x71\x6c"
      "\x4c\xdb\x35\x85\x63\x65\x7c\x47\xc9\x72\x67\x09\x9e\x8b\x9a\xb0\x5c\x58"
      "\x12\x43\xbe\x23\x47\x0c\xc3\x38\x41\x0f\x10\x22\xfa\xf4\xf9\xbd\xf4\xa1"
      "\x78\x5c\x80\xf7\xd1\xfa\xe3\xd9\x0a\xab\x43\xd1\xb8\x80\x46\xb1\xfa\x4b"
      "\xa2\xe9\xbb\x1f\x1a\xf4\x6f\x60\x97\x4f\xb2\xa6\x02\x3a\xa3\x7d\x53\x58"
      "\xc0\x0e\x38\x4c\xdd\x3c\xa7\xef\xcf\x78\x52\xbc\xe7\xe2\xc3\xf8\x5d\x5b"
      "\xa9\x26\x22\xfa\xaf\xce\x03\x7f\xd4\x5d\x36\x97\x5c\x6d\x87\xba\xcb\x19"
      "\x6e\x04\xd3\x17\x96\x40\x6e\x9b\x4b\x46\xa8\xff\x79\x73\xd4\x0f\xcd\xbc"
      "\xc6\xd0\x35\x04\xaf\x4f\xa0\x3b\x42\x11\xad\xd5\x3b\x96\x35\xbf\x6a\x7e"
      "\x17\x51\xa4\xba\xc0\xc3\x9c\xd5\x0f\xdd\x5e\xd1\xbd\xe8\x2a\x2e\xd0\xb3"
      "\x09\x4b\x1c\x12\x67\x6a\x00\x67\x5a\xc5\x23\x60\xc6\xc7\xd0\x8a\x4b\x34"
      "\xfd\xfb\xa2\xef\x97\xc7\xb9\x74\x56\x07\x99\x0e\xb2\x89\x6a\xbe\x7c\x00"
      "\x1a\x5e\xab\x4f\xa4\x27\x79\xc4\xf5\xb2\x7d\xc7\x03\x4e\x6a\x86\x65\xb7"
      "\x4c\xc5\x49\x7c\x4c\xbc\x2f\x2a\xa9\x93\xd6\x17\x43\x61\x33\x38\xec\x45"
      "\x83\x54\x4c\x4c\x86\xe2\xa3\xd1\xa7\xf9\x86\x84\x4b\x5d\x0b\x96\x2d\x94"
      "\xe8\x7a\xc9\x6e\xc8\x32\x36\xc1\x4d\xc4\x07\x0f\xab\xbb\x2b\x0c\x10\x76"
      "\xc0\xc9\xf4\xd7\x35\xb9\x60\xca\xdc\x1c\x36\x56\x4a\xfa\x80\x46\x1f\x11"
      "\xd0\x2c\xee\x17\x95\x08\x76\xe3\xa4\x6e\x8c\x4c\x6d\xd1\x93\x23\x4d\x5b"
      "\x3c\x11\x07\xfa\xbe\x34\x76\x42\xae\xba\xa4\x6d\x9c\x04\xb0\xf8\x60\x90"
      "\xa5\xe0\x20\x42\x5e\x1b\x8b\x00\x43\xb5\x8e\x44\xc7\x19\x49\xda\x6a\x50"
      "\xcf\xb8\x48\xf8\x6f\xaf\x55\x21\x8c\x69\x54\xf8\x25\x81\x34\xab\x0d\xdd"
      "\xf1\xbe\x10\x25\xed\xe7\x36\xda\x98\xe1\x76\x61\x78\x6b\x2b\x3a\xe6\x1b"
      "\xd0\xf8\x13\xa4\xcd\xc4\xa9\x7d\x58\xdc\x14\x1b\xc5\x63\xe0\xa3\x1b\x50"
      "\x25\x47\x19\x52\xc8\x92\x41\x7b\x08\x6e\xd2\xe5\x0d\xe7\x41\x83\xf2\xa6"
      "\xd7\x25\x73\x3a\xb0\xe9\x08\xfe\xe0\x7f\xa7\x6f\x7a\x9c\x69\x90\x27\x00"
      "\x47\x35\xe2\x7c\x00\x1a\x37\xf5\xa8\xe5\x4a\x4f\xa6\x20\xc8\xf7\x47\x78"
      "\x2d\xde\x71\x5d\x24\x01\x5e\x61\x74\xf6\xf8\x89\x9e\x8d\x27\x5e\x8c\x9b"
      "\xcb\x25\xa1\xb2\xae\xff\x10\xff\x30\xf5\x80\x5f\x1e\x1c\x24\x78\x72\xf6"
      "\xd4\xc8\x37\x46\xf3\x5c\xae\xd8\x01\x68\x3d\x65\x12\xe9\xb5\x38\x9b\x5a"
      "\x1a\xce\x3f\x33\xf9\x9c\x6f\xde\x41\xc9\x07\x63\x08\xf7\x73\x49\x93\x66"
      "\xb6\x32\x43\xee\x39\x7b\x2d\x02\x0f\x38\x33\x77\xdb\xb2\xb3\x20\x2c\x18"
      "\x7e\xba\x58\xce\xb3\xec\x43\x0f\xcb\x43\x07\x54\xa3\x5f\xd8\xc0\x7b\x34"
      "\xfd\x5c\x65\x12\x5e\x78\x77\x9e\x82\x47\xf5\x9f\x85\x9c\x7d\x92\xc2\xa5"
      "\xa4\xdf\x06\xd3\xd2\xb4\x5d\xf7\x66\x71\xd4\x7d\x64\x0a\x05\xeb\x41\xa7"
      "\x7f\x0f\x0f\x01\xa2\x07\x49\x61\x32\xc9\x16\xb5\x22\xda\x20\xfc\x9f\xad"
      "\x3f\xe7\x98\x99\x2b\xb0\x01\x0e\x3b\xef\xd2\xe9\xc1\x66\x3c\xe4\xa5\x7c"
      "\xb7\xd0\x15\x33\xcd\x20\x47\xe8\xdb\x30\x97\x8d\x82\xef\xbd\xf9\x63\xfc"
      "\x35\xc9\xf4\xdb\xa3\x57\x76\x85\x44\xef\x2f\x52\x28\xb6\x05\x80\x83\xfa"
      "\x97\x8b\xb1\xbc\x97\xcc\xf8\xcb\xcd\xe5\xf9\x5b\xc6\x92\xf3\x45\x33\x1f"
      "\xbf\x9a\x96\xa6\x9e\xc6\xf7\x98\xcc\xcc\xf7\x3d\xdb\x50\x96\x9c\x97\x19"
      "\x5e\x2a\x7f\x1c\x93\x19\x14\x5d\x87\xbf\xaf\x74\xfe\xb9\x54\x79\x37\x5e"
      "\x38\xb6\x14\x79\x24\x1a\x5c\x9d\x75\x32\x70\x41\xb2\xbf\x5a\xd3\x92\xd7"
      "\xae\x2d\xd6\x0e\x36\x4f\x88\xea\x96\x45\xbf\x9b\x73\x97\xb1\xc3\xd7\xe4"
      "\x3b\x0e\xcc\xe4\xa5\x96\x17\xb0\x44\xd8\x07\xd2\x1c\x47\xb0\x2e\xfb\x1d"
      "\xa2\x9c\xc2\x75\x93\x62\x94\xc0\x64\x40\x68\x8d\xfd\x05\x5e\xab\xe7\x0b"
      "\x10\x4d\xda\x0c\x39\xdd\xfd\xec\x05\x98\xc1\x8c\x39\x4d\xd5\x87\x01\x57"
      "\x48\xa5\xdc\x73\x6c\xd6\x95\xb7\x3b\xad\x96\x31\xfb\x54\x19\xec\xdb\x25"
      "\x7d\xaa\x5e\xa7\xef\x3c\x2a\xa2\xd9\xaa\xd6\x6e\x8c\x79\xf3\xd2\xe8\x03"
      "\x74\x66\x76\x4c\xd9\x8c\x57\x1d\x11\x69\x8e\x94\x06\xbd\xf7\x2d\x79\xcd"
      "\x1e\x77\x69\xcc\xd4\x17\x10\x4e\xc3\x75\x6d\x43\x3f\xd7\x7f\x16\xb1\x56"
      "\xb6\x00\x77\x1c\x03\xce\xf0\x76\xaa\x82\x54\x5b\x01\xa2\x16\xaf\x7e\xd1"
      "\xec\x1b\x5f\x5c\x3e\xa2\x7f\x3a\xf2\xda\x0c\x29\x8b\xd4\x9e\x8a\xe9\x7c"
      "\x2d\xda\x3f\xe3\x83\x98\x49\x3f\x5b\x26\x7e\xa5\x80\xd4\x33\x48\xf8\x64"
      "\x9b\x0e\xfb\xdb\x40\x40\x01\x5f\xe6\x42\xa5\x37\x36\xc8\x14\x0f\x8b\x63"
      "\xf5\x88\x40\x4c\x03\xea\x9f\xc3\x47\x2c\x44\xda\xaa\xe8\xfb\xec\x75\x83"
      "\x84\xcd\xf3\xf6\x0b\xf6\x7d\x0b\x84\x3f\x98\x6d\xda\x80\x6c\x12\x5e\x22"
      "\x3e\xe1\xdc\x91\x93\x28\x94\xea\x7d\x3d\x41\x91\x83\x96\x89\xcc\x11\x23"
      "\x66\xd4\x52\xb6\x9b\xa9\xf4\x44\x36\xc9\x6e\x88\xec\x96\xc0\xe7\xd2\x62"
      "\xad\xe0\xe2\x1c\x8e\x73\x54\x20\x32\x81\x41\x6c\xd8\x4e\x07\xfe\xc3\xb1"
      "\x49\x33\x12\x4b\x81\x0c\xc5\x39\x82\x5c\xb7\xac\xb9\x96\x6b\x6f\x62\x82"
      "\xac\x45\x6c\x84\x43\xd3\x96\xd7\x6a\x25\x4b\x91\x33\x8d\xb1\xdb\x00\x84"
      "\x86\x12\x57\x78\x9a\x5c\xd3\x8a\xf2\xba\x2f\xae\xa4\x6a\xfa\x32\x9a\x0d"
      "\x49\x89\xfd\x7e\x13\x9b\x0c\x02\x26\xe0\xdb\x74\x04\xf1\x3c\xcb\xac\xed"
      "\x6f\x58\xe2\xb6\x2f\x7e\xaf\xe2\x84\xca\x66\xa5\xcf\x44\xc6\x4a\xac\x31"
      "\xa9\xa6\xd0\x2d\xb0\x9c\x43\xb0\xc9\xc3\x6f\xef\x8d\xeb\xfd\x98\xa6\x32"
      "\x03\xf5\x66\x82\x43\x7f\x70\xa6\x2e\xc9\x37\x25\xb6\x52\xb7\x67\xb4\x75"
      "\x28\xf5\x70\x6e\x62\x55\xfc\xc4\x3e\xfd\xcd\xb5\x80\xb0\x09\x91\xa8\x70"
      "\x3e\x47\x73\x94\x4b\x14\x60\xe7\xa3\x4e\x2b\x9c\xce\xfe\xb5\x90\xd5\xd6"
      "\x50\x42\xc6\xce\xd7\x12\x90\x62\x1a\x21\x5c\x85\xef\xe5\x1e\xce\x62\x40"
      "\xbf\x8d\x72\x30\x78\x13\x36\xc5\x50\xdc\xa7\xec\xa8\xfc\xaa\xc0\x1b\xc9"
      "\x0d\xbc\x6c\x5f\xfe\x8b\x84\x8e\xe5\x3b\x05\xe7\x3b\xcd\x36\xcf\x5b\x10"
      "\x69\xd5\xa8\x83\xd0\x0b\xe4\xbb\xdf\x99\x6b\x00\x38\xd8\x1c\x34\x53\x20"
      "\x98\x0a\xee\x33\xb9\x4c\x12\x62\x3c\xe8\x89\x6a\xe9\x2d\x22\x82\x3d\x5f"
      "\xad\xc9\xfb\x79\xad\xda\x59\x6a\xc3\xea\xbc\xc9\x9b\x9f\x96\x58\x6a\x9b"
      "\x17\xd7\x0f\xd1\xf3\xc2\xc0\x7f\xc5\x1a\xb3\xba\xbb\xf0\x62\xcd\x0f\x90"
      "\x89\xbf\x20\x22\x77\xdd\xc6\xf6\x92\xf0\xab\xfc\xfc\xf9\xbf\x0a\x9c\xe8"
      "\x2b\x88\x6f\x1d\x58\x17\x13\x0e\xf4\x84\x4d\xca\x9e\x6b\xbd\x70\x4f\xa0"
      "\xc9\xb2\xbd\x8e\x61\x04\x50\x2f\xe3\xbc\x31\x22\xfd\x7e\x11\xc6\x66\xd0"
      "\x2e\x40\xad\xd3\x98\x4b\x44\x2d\x83\x0d\x8d\x6b\xd5\x77\xf2\xaa\x50\x00"
      "\x27\xa9\x1e\xae\x3e\x91\xb9\xea\xea\x19\x37\xcb\x1a\xb7\x95\x6a\x5f\x69"
      "\x6e\x3b\xe9\x3f\xa3\xfc\xb3\x3e\xd3\x8a\x92\x09\xee\xb5\xcf\x14\xf9\xa6"
      "\xa3\xdf\x18\x01\x9f\x46\xdd\xef\xce\xef\x96\x27\x01\x41\x1b\xf6\xfc\xe3"
      "\x1e\xff\x8e\x50\xb1\x01\x28\x52\xd1\x58\x15\x1c\x1c\x49\x13\x37\xcb\x89"
      "\xa7\xe5\x24\x13\xb7\x34\x11\x17\xe9\x0f\x79\xcc\x78\x12\x86\x67\x01\x21"
      "\x9d\x52\xb7\x69\x0f\xc6\x8b\x79\xb5\x4c\x74\xce\xae\x94\x08\x08\x58\xe9"
      "\x63\x9a\x04\xff\x97\x78\x89\x89\x60\x22\x18\xcf\xb7\x32\xc2\x7b\xb0\xba"
      "\x68\xa4\x50\xc5\xfc\x27\x28\x51\xe0\x17\x04\xd8\xfe\x07\x0e\x33\xb3\x5d"
      "\x74\x54\x7f\x7f\x4c\x94\x6b\xf0\x15\x27\x72\xc8\x4b\x7f\xf2\x29\x7a\x26"
      "\x6c\xdd\x23\xf5\xf6\x3f\x53\x57\xc2\x55\x56\x39\x6e\x40\x97\x8e\x96\xa1"
      "\x4f\xe8\xa7\x9c\x17\xa7\x3e\xcd\x42\x2d\x91\x24\x3c\xf1\x9b\x97\x81\xf5"
      "\xf6\xa4\x7a\x06\xfd\x61\xb4\xfb\x73\x50\xc3\xa4\x13\x12\xd0\x4f\xb0\x5b"
      "\xb3\x90\x2c\x62\x52\xdd\xa5\x45\xae\xd4\xf6\xc7\xe7\xfa\xaa\x81\x88\x4b"
      "\xe4\xa3\xc0\xfb\x33\xfe\xfa\x3a\x53\x58\x2d\xa6\x6e\x7a\x55\x10\xc9\x92"
      "\xd2\x2c\x09\xb1\x9d\x65\x7f\x52\xe2\xaf\x9d\xe6\x90\x3a\xb1\x42\xfc\x36"
      "\x7d\xe7\xd7\x92\xcf\x69\x40\x72\x1f\x6b\xc5\xea\x9e\xbe\xdd\x72\x2f\x2f"
      "\xc7\x32\xf3\x61\xf6\x19\xed\x47\x67\xae\x71\x6e\x97\xdb\x92\xeb\x33\xe3"
      "\xb0\x05\xa9\xca\xbf\xf3\x76\xa3\x38\x1a\xbb\x7b\xdd\x05\x7f\xe3\xf8\x4b"
      "\x75\xac\xc6\xa3\xca\xf5\xf5\x81\x46\xef\x9c\x7d\x89\xbe\xc3\xec\x77\xc4"
      "\xd3\x0e\x39\x71\xa8\x94\x03\x45\x20\x0e\xb0\x8f\x42\x7c\xc1\xde\x94\xc9"
      "\xe7\x72\xc8\xcc\x1b\xef\x8f\xc5\x18\x43\xe0\x6a\xc1\x9c\xc4\x1e\x02\x6a"
      "\x5e\x54\xad\xa2\x97\xd1\xb4\x17\x29\x92\x1b\x08\x93\x57\x17\x2b\xc6\x0e"
      "\x8f\x11\xa1\x0b\xf2\x7b\x61\xca\x25\xdd\xe1\xb5\xed\x55\x1b\xc4\xd5\xe6"
      "\x46\x44\xbf\x8f\x76\xdb\x05\x3c\x79\x89\xbf\x77\x68\x31\x55\xbd\xb0\x6b"
      "\x3d\xb0\xeb\xbd\xba\xcb\xe2\x9e\x3b\xfe\x17\xdd\x1f\x64\xf6\xda\xa0\x95"
      "\x1a\x1a\x30\x35\x23\xac\x84\x53\x74\x75\x9d\x9d\x3d\xfb\xf9\xe4\x74\x6c"
      "\xa3\x66\xb1\xd6\x3e\xe5\x07\x35\x3a\xd0\x2f\xc7\x71\x5b\xae\x02\x45\x8a"
      "\x9c\xc2\xbd\xf0\x78\xb6\xcc\x3b\x0b\xc8\xc7\xec\x33\xa3\x90\xe2\x74\x57"
      "\x5b\xe2\xb6\xa8\x8d\x7c\xc5\xce\x9e\x90\x93\xbe\xf4\x45\x7e\x7d\x4b\x48"
      "\xd3\x8a\x12\x98\x46\xbd\x6b\x58\x56\xe2\x1f\xf1\x40\x26\xa6\xb0\x5d\x28"
      "\x1f\xc3\x2c\x10\xd7\x83\x8e\xcc\x63\x00\x7c\xbb\x53\xf1\x73\x0d\xdb\x35"
      "\x89\x43\x3e\xbb\xb7\x41\x2b\x94\x85\xaa\xb8\xb6\x4e\x3a\x20\x55\x69\xf4"
      "\xf0\x84\x12\x93\xc2\xda\xec\xbd\x71\x87\x6a\x9f\xea\xea\xbc\x8a\xd9\x18"
      "\x2f\x3c\x79\xf9\xb9\x53\x0f\xa0\x6d\xe8\x2b\x97\xef\xc4\x27\xa8\x6d\x01"
      "\x7e\x31\xae\xbe\x28\x71\x3c\xc3\x4b\x98\xaf\x7f\x78\x1f\xcb\x2c\xbb\x65"
      "\xda\x48\x08\xba\xfc\x5a\xd5\x09\xa4\x5f\xda\x11\xea\x84\x49\xda\x9e\x63"
      "\x65\xe0\x5a\x2c\x44\x44\xc9\x98\x13\xcf",
      4096);
  syscall(__NR_add_key, /*type=*/0ul, /*desc=*/0ul,
          /*payload=*/0x200000000a40ul, /*paylen=*/0x1000ul,
          /*keyring=*/0xfffffffd);
  //  mount arguments: [
  //    src: ptr[in, blockdev_filename] {
  //      union blockdev_filename {
  //        loop: loop_filename {
  //          prefix: buffer: {2f 64 65 76 2f 6c 6f 6f 70} (length 0x9)
  //          id: proc = 0x0 (1 bytes)
  //          z: const = 0x0 (1 bytes)
  //        }
  //      }
  //    }
  //    dst: ptr[in, buffer] {
  //      buffer: {2e 2f 62 75 73 00} (length 0x6)
  //    }
  //    type: nil
  //    flags: mount_flags = 0x1000 (8 bytes)
  //    data: nil
  //  ]
  memcpy((void*)0x200000000380, "/dev/loop", 9);
  *(uint8_t*)0x200000000389 = 0x30;
  *(uint8_t*)0x20000000038a = 0;
  memcpy((void*)0x200000000140, "./bus\000", 6);
  syscall(__NR_mount, /*src=*/0x200000000380ul, /*dst=*/0x200000000140ul,
          /*type=*/0ul, /*flags=MS_BIND*/ 0x1000ul, /*data=*/0ul);
  //  openat$cgroup_ro arguments: [
  //    fd: fd_cgroup (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {6d 65 6d 6f 72 79 2e 63 75 72 72 65 6e 74 00} (length 0xf)
  //    }
  //    flags: const = 0x275a (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x2000000001c0, "memory.current\000", 15);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x2000000001c0ul,
                /*flags=*/0x275a, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  write$binfmt_script arguments: [
  //    fd: fd_binfmt (resource)
  //    data: ptr[in, binfmt_script] {
  //      binfmt_script {
  //        hdr: buffer: {23 21 20} (length 0x3)
  //        bin: buffer: {} (length 0x0)
  //        args: array[binfmt_script_arg] {
  //        }
  //        nl: const = 0xa (1 bytes)
  //        data: buffer: {} (length 0x0)
  //      }
  //    }
  //    len: bytesize = 0x208e24b (8 bytes)
  //  ]
  memcpy((void*)0x200000000000, "#! ", 3);
  *(uint8_t*)0x200000000003 = 0xa;
  syscall(__NR_write, /*fd=*/r[0], /*data=*/0x200000000000ul,
          /*len=*/0x208e24bul);
  //  open arguments: [
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 62 75 73 00} (length 0x6)
  //    }
  //    flags: open_flags = 0x14113e (8 bytes)
  //    mode: open_mode = 0x0 (8 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000400, "./bus\000", 6);
  res = syscall(__NR_open, /*file=*/0x200000000400ul,
                /*flags=O_SYNC|O_NOCTTY|O_NOATIME|O_RDWR|0x3c*/ 0x14113eul,
                /*mode=*/0ul);
  if (res != -1)
    r[1] = res;
  //  write$binfmt_script arguments: [
  //    fd: fd_binfmt (resource)
  //    data: ptr[in, binfmt_script] {
  //      binfmt_script {
  //        hdr: buffer: {23 21 20} (length 0x3)
  //        bin: buffer: {} (length 0x0)
  //        args: array[binfmt_script_arg] {
  //        }
  //        nl: const = 0xa (1 bytes)
  //        data: buffer: {} (length 0x0)
  //      }
  //    }
  //    len: bytesize = 0x208e24b (8 bytes)
  //  ]
  memcpy((void*)0x200000000c40, "#! ", 3);
  *(uint8_t*)0x200000000c43 = 0xa;
  syscall(__NR_write, /*fd=*/r[1], /*data=*/0x200000000c40ul,
          /*len=*/0x208e24bul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*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=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  use_temporary_dir();
  do_sandbox_none();
  return 0;
}