// https://syzkaller.appspot.com/bug?id=eba40f1d7e76a539d058f8c9a9da40dfd404dd11
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.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/futex.h>
#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

static __thread int clone_ongoing;
static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) {
    exit(sig);
  }
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
  int valid = addr < prog_start || addr > prog_end;
  if (skip && valid) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

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 void thread_start(void* (*fn)(void*), void* arg)
{
  pthread_t th;
  pthread_attr_t attr;
  pthread_attr_init(&attr);
  pthread_attr_setstacksize(&attr, 128 << 10);
  int i = 0;
  for (; i < 100; i++) {
    if (pthread_create(&th, &attr, fn, arg) == 0) {
      pthread_attr_destroy(&attr);
      return;
    }
    if (errno == EAGAIN) {
      usleep(50);
      continue;
    }
    break;
  }
  exit(1);
}

typedef struct {
  int state;
} event_t;

static void event_init(event_t* ev)
{
  ev->state = 0;
}

static void event_reset(event_t* ev)
{
  ev->state = 0;
}

static void event_set(event_t* ev)
{
  if (ev->state)
    exit(1);
  __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
  syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}

static void event_wait(event_t* ev)
{
  while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}

static int event_isset(event_t* ev)
{
  return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}

static int event_timedwait(event_t* ev, uint64_t timeout)
{
  uint64_t start = current_time_ms();
  uint64_t now = start;
  for (;;) {
    uint64_t remain = timeout - (now - start);
    struct timespec ts;
    ts.tv_sec = remain / 1000;
    ts.tv_nsec = (remain % 1000) * 1000 * 1000;
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
    if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
      return 1;
    now = current_time_ms();
    if (now - start > timeout)
      return 0;
  }
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

//% This code is derived from puff.{c,h}, found in the zlib development. The
//% original files come with the following copyright notice:

//% Copyright (C) 2002-2013 Mark Adler, all rights reserved
//% version 2.3, 21 Jan 2013
//% This software is provided 'as-is', without any express or implied
//% warranty.  In no event will the author be held liable for any damages
//% arising from the use of this software.
//% Permission is granted to anyone to use this software for any purpose,
//% including commercial applications, and to alter it and redistribute it
//% freely, subject to the following restrictions:
//% 1. The origin of this software must not be misrepresented; you must not
//%    claim that you wrote the original software. If you use this software
//%    in a product, an acknowledgment in the product documentation would be
//%    appreciated but is not required.
//% 2. Altered source versions must be plainly marked as such, and must not be
//%    misrepresented as being the original software.
//% 3. This notice may not be removed or altered from any source distribution.
//% Mark Adler    madler@alumni.caltech.edu

//% BEGIN CODE DERIVED FROM puff.{c,h}

#define MAXBITS 15
#define MAXLCODES 286
#define MAXDCODES 30
#define MAXCODES (MAXLCODES + MAXDCODES)
#define FIXLCODES 288

struct puff_state {
  unsigned char* out;
  unsigned long outlen;
  unsigned long outcnt;
  const unsigned char* in;
  unsigned long inlen;
  unsigned long incnt;
  int bitbuf;
  int bitcnt;
  jmp_buf env;
};
static int puff_bits(struct puff_state* s, int need)
{
  long val = s->bitbuf;
  while (s->bitcnt < need) {
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    val |= (long)(s->in[s->incnt++]) << s->bitcnt;
    s->bitcnt += 8;
  }
  s->bitbuf = (int)(val >> need);
  s->bitcnt -= need;
  return (int)(val & ((1L << need) - 1));
}
static int puff_stored(struct puff_state* s)
{
  s->bitbuf = 0;
  s->bitcnt = 0;
  if (s->incnt + 4 > s->inlen)
    return 2;
  unsigned len = s->in[s->incnt++];
  len |= s->in[s->incnt++] << 8;
  if (s->in[s->incnt++] != (~len & 0xff) ||
      s->in[s->incnt++] != ((~len >> 8) & 0xff))
    return -2;
  if (s->incnt + len > s->inlen)
    return 2;
  if (s->outcnt + len > s->outlen)
    return 1;
  for (; len--; s->outcnt++, s->incnt++) {
    if (s->in[s->incnt])
      s->out[s->outcnt] = s->in[s->incnt];
  }
  return 0;
}
struct puff_huffman {
  short* count;
  short* symbol;
};
static int puff_decode(struct puff_state* s, const struct puff_huffman* h)
{
  int first = 0;
  int index = 0;
  int bitbuf = s->bitbuf;
  int left = s->bitcnt;
  int code = first = index = 0;
  int len = 1;
  short* next = h->count + 1;
  while (1) {
    while (left--) {
      code |= bitbuf & 1;
      bitbuf >>= 1;
      int count = *next++;
      if (code - count < first) {
        s->bitbuf = bitbuf;
        s->bitcnt = (s->bitcnt - len) & 7;
        return h->symbol[index + (code - first)];
      }
      index += count;
      first += count;
      first <<= 1;
      code <<= 1;
      len++;
    }
    left = (MAXBITS + 1) - len;
    if (left == 0)
      break;
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    bitbuf = s->in[s->incnt++];
    if (left > 8)
      left = 8;
  }
  return -10;
}
static int puff_construct(struct puff_huffman* h, const short* length, int n)
{
  int len;
  for (len = 0; len <= MAXBITS; len++)
    h->count[len] = 0;
  int symbol;
  for (symbol = 0; symbol < n; symbol++)
    (h->count[length[symbol]])++;
  if (h->count[0] == n)
    return 0;
  int left = 1;
  for (len = 1; len <= MAXBITS; len++) {
    left <<= 1;
    left -= h->count[len];
    if (left < 0)
      return left;
  }
  short offs[MAXBITS + 1];
  offs[1] = 0;
  for (len = 1; len < MAXBITS; len++)
    offs[len + 1] = offs[len] + h->count[len];
  for (symbol = 0; symbol < n; symbol++)
    if (length[symbol] != 0)
      h->symbol[offs[length[symbol]]++] = symbol;
  return left;
}
static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode,
                      const struct puff_huffman* distcode)
{
  static const short lens[29] = {3,  4,  5,  6,   7,   8,   9,   10,  11, 13,
                                 15, 17, 19, 23,  27,  31,  35,  43,  51, 59,
                                 67, 83, 99, 115, 131, 163, 195, 227, 258};
  static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2,
                                 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0};
  static const short dists[30] = {
      1,    2,    3,    4,    5,    7,    9,    13,    17,    25,
      33,   49,   65,   97,   129,  193,  257,  385,   513,   769,
      1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577};
  static const short dext[30] = {0, 0, 0,  0,  1,  1,  2,  2,  3,  3,
                                 4, 4, 5,  5,  6,  6,  7,  7,  8,  8,
                                 9, 9, 10, 10, 11, 11, 12, 12, 13, 13};
  int symbol;
  do {
    symbol = puff_decode(s, lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 256) {
      if (s->outcnt == s->outlen)
        return 1;
      if (symbol)
        s->out[s->outcnt] = symbol;
      s->outcnt++;
    } else if (symbol > 256) {
      symbol -= 257;
      if (symbol >= 29)
        return -10;
      int len = lens[symbol] + puff_bits(s, lext[symbol]);
      symbol = puff_decode(s, distcode);
      if (symbol < 0)
        return symbol;
      unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]);
      if (dist > s->outcnt)
        return -11;
      if (s->outcnt + len > s->outlen)
        return 1;
      while (len--) {
        if (dist <= s->outcnt && s->out[s->outcnt - dist])
          s->out[s->outcnt] = s->out[s->outcnt - dist];
        s->outcnt++;
      }
    }
  } while (symbol != 256);
  return 0;
}
static int puff_fixed(struct puff_state* s)
{
  static int virgin = 1;
  static short lencnt[MAXBITS + 1], lensym[FIXLCODES];
  static short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  static struct puff_huffman lencode, distcode;
  if (virgin) {
    lencode.count = lencnt;
    lencode.symbol = lensym;
    distcode.count = distcnt;
    distcode.symbol = distsym;
    short lengths[FIXLCODES];
    int symbol;
    for (symbol = 0; symbol < 144; symbol++)
      lengths[symbol] = 8;
    for (; symbol < 256; symbol++)
      lengths[symbol] = 9;
    for (; symbol < 280; symbol++)
      lengths[symbol] = 7;
    for (; symbol < FIXLCODES; symbol++)
      lengths[symbol] = 8;
    puff_construct(&lencode, lengths, FIXLCODES);
    for (symbol = 0; symbol < MAXDCODES; symbol++)
      lengths[symbol] = 5;
    puff_construct(&distcode, lengths, MAXDCODES);
    virgin = 0;
  }
  return puff_codes(s, &lencode, &distcode);
}
static int puff_dynamic(struct puff_state* s)
{
  static const short order[19] = {16, 17, 18, 0, 8,  7, 9,  6, 10, 5,
                                  11, 4,  12, 3, 13, 2, 14, 1, 15};
  int nlen = puff_bits(s, 5) + 257;
  int ndist = puff_bits(s, 5) + 1;
  int ncode = puff_bits(s, 4) + 4;
  if (nlen > MAXLCODES || ndist > MAXDCODES)
    return -3;
  short lengths[MAXCODES];
  int index;
  for (index = 0; index < ncode; index++)
    lengths[order[index]] = puff_bits(s, 3);
  for (; index < 19; index++)
    lengths[order[index]] = 0;
  short lencnt[MAXBITS + 1], lensym[MAXLCODES];
  struct puff_huffman lencode = {lencnt, lensym};
  int err = puff_construct(&lencode, lengths, 19);
  if (err != 0)
    return -4;
  index = 0;
  while (index < nlen + ndist) {
    int symbol;
    int len;
    symbol = puff_decode(s, &lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 16)
      lengths[index++] = symbol;
    else {
      len = 0;
      if (symbol == 16) {
        if (index == 0)
          return -5;
        len = lengths[index - 1];
        symbol = 3 + puff_bits(s, 2);
      } else if (symbol == 17)
        symbol = 3 + puff_bits(s, 3);
      else
        symbol = 11 + puff_bits(s, 7);
      if (index + symbol > nlen + ndist)
        return -6;
      while (symbol--)
        lengths[index++] = len;
    }
  }
  if (lengths[256] == 0)
    return -9;
  err = puff_construct(&lencode, lengths, nlen);
  if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
    return -7;
  short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  struct puff_huffman distcode = {distcnt, distsym};
  err = puff_construct(&distcode, lengths + nlen, ndist);
  if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
    return -8;
  return puff_codes(s, &lencode, &distcode);
}
static int puff(unsigned char* dest, unsigned long* destlen,
                const unsigned char* source, unsigned long sourcelen)
{
  struct puff_state s = {
      .out = dest,
      .outlen = *destlen,
      .outcnt = 0,
      .in = source,
      .inlen = sourcelen,
      .incnt = 0,
      .bitbuf = 0,
      .bitcnt = 0,
  };
  int err;
  if (setjmp(s.env) != 0)
    err = 2;
  else {
    int last;
    do {
      last = puff_bits(&s, 1);
      int type = puff_bits(&s, 2);
      err = type == 0 ? puff_stored(&s)
                      : (type == 1 ? puff_fixed(&s)
                                   : (type == 2 ? puff_dynamic(&s) : -1));
      if (err != 0)
        break;
    } while (!last);
  }
  *destlen = s.outcnt;
  return err;
}

//% END CODE DERIVED FROM puff.{c,h}

#define ZLIB_HEADER_WIDTH 2

static int puff_zlib_to_file(const unsigned char* source,
                             unsigned long sourcelen, int dest_fd)
{
  if (sourcelen < ZLIB_HEADER_WIDTH)
    return 0;
  source += ZLIB_HEADER_WIDTH;
  sourcelen -= ZLIB_HEADER_WIDTH;
  const unsigned long max_destlen = 132 << 20;
  void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ,
                   MAP_PRIVATE | MAP_ANON, -1, 0);
  if (ret == MAP_FAILED)
    return -1;
  unsigned char* dest = (unsigned char*)ret;
  unsigned long destlen = max_destlen;
  int err = puff(dest, &destlen, source, sourcelen);
  if (err) {
    munmap(dest, max_destlen);
    errno = -err;
    return -1;
  }
  if (write(dest_fd, dest, destlen) != (ssize_t)destlen) {
    munmap(dest, max_destlen);
    return -1;
  }
  return munmap(dest, max_destlen);
}

static int setup_loop_device(unsigned char* data, unsigned long size,
                             const char* loopname, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (puff_zlib_to_file(data, size, memfd)) {
    err = errno;
    goto error_close_memfd;
  }
  loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    err = errno;
    goto error_close_memfd;
  }
  if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
    if (errno != EBUSY) {
      err = errno;
      goto error_close_loop;
    }
    ioctl(loopfd, LOOP_CLR_FD, 0);
    usleep(1000);
    if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
      err = errno;
      goto error_close_loop;
    }
  }
  close(memfd);
  *loopfd_p = loopfd;
  return 0;

error_close_loop:
  close(loopfd);
error_close_memfd:
  close(memfd);
error:
  errno = err;
  return -1;
}

static void reset_loop_device(const char* loopname)
{
  int loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    return;
  }
  if (ioctl(loopfd, LOOP_CLR_FD, 0)) {
  }
  close(loopfd);
}

static long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile long flags, volatile long optsarg,
                            volatile long change_dir,
                            volatile unsigned long size, volatile long image)
{
  unsigned char* data = (unsigned char*)image;
  int res = -1, err = 0, need_loop_device = !!size;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    int loopfd;
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    close(loopfd);
    source = loopname;
  }
  mkdir(target, 0777);
  char opts[256];
  memset(opts, 0, sizeof(opts));
  if (strlen(mount_opts) > (sizeof(opts) - 32)) {
  }
  strncpy(opts, mount_opts, sizeof(opts) - 32);
  if (strcmp(fs, "iso9660") == 0) {
    flags |= MS_RDONLY;
  } else if (strncmp(fs, "ext", 3) == 0) {
    bool has_remount_ro = false;
    char* remount_ro_start = strstr(opts, "errors=remount-ro");
    if (remount_ro_start != NULL) {
      char after = *(remount_ro_start + strlen("errors=remount-ro"));
      char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1);
      has_remount_ro = ((before == '\0' || before == ',') &&
                        (after == '\0' || after == ','));
    }
    if (strstr(opts, "errors=panic") || !has_remount_ro)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

error_clear_loop:
  if (need_loop_device)
    reset_loop_device(loopname);
  errno = err;
  return res;
}

#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")) {
  }
}

struct thread_t {
  int created, call;
  event_t ready, done;
};

static struct thread_t threads[16];
static void execute_call(int call);
static int running;

static void* thr(void* arg)
{
  struct thread_t* th = (struct thread_t*)arg;
  for (;;) {
    event_wait(&th->ready);
    event_reset(&th->ready);
    execute_call(th->call);
    __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
    event_set(&th->done);
  }
  return 0;
}

static void execute_one(void)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  int i, call, thread;
  for (call = 0; call < 5; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      if (call == 0)
        break;
      event_timedwait(&th->done, 50 + (call == 0 ? 4000 : 0));
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

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();
      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[1] = {0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    NONFAILING(memcpy((void*)0x200000000000, "exfat\000", 6));
    NONFAILING(memcpy((void*)0x200000000240, "./file0\000", 8));
    NONFAILING(memcpy(
        (void*)0x200000002180,
        "\x78\x9c\xec\xdc\x0b\xb4\xce\xd5\xd6\x30\xf0\x39\xd7\x5a\x7f\x36\x49"
        "\x4f\x92\xfb\x9a\x6b\xfe\x79\x92\xcb\x22\x49\x72\x49\x48\x24\x49\x92"
        "\x24\xb9\x25\x24\x49\x92\x84\xc4\x26\xb7\x24\x24\x21\xf7\x24\xf7\x90"
        "\xdc\x62\x27\xf7\xfb\x2d\xf7\x24\x39\x92\x24\x09\x09\x49\xd6\x37\x74"
        "\x3a\x9f\xf7\xbc\x9d\xf7\xed\x9c\xef\x9c\xef\xf5\x7d\x67\xcf\xdf\x18"
        "\x6b\xec\x35\xf7\xff\x99\xf3\x59\x6b\xcf\x3d\x9e\xff\x65\x8c\xbd\xbf"
        "\xed\x38\xb8\x6a\xfd\x6a\x95\xeb\x32\x33\xfc\x53\xf0\xcf\x5f\x52\x01"
        "\x20\x05\x00\xfa\x01\xc0\x35\x00\x10\x01\x40\xa9\x6c\xa5\xb2\x01\x0e"
        "\x83\x4c\x1a\x53\xff\xb9\x37\x11\xff\x5a\x0f\x4d\xbb\xd2\x2b\x10\x57"
        "\x92\xf4\x3f\x7d\x93\xfe\xa7\x6f\xd2\xff\xf4\x4d\xfa\x9f\xbe\x49\xff"
        "\xd3\x37\xe9\x7f\xfa\x26\xfd\x4f\xdf\xa4\xff\x42\xa4\x67\x5b\xa7\xe7"
        "\xbe\x56\x46\xfa\x1d\xff\x73\xcf\xff\x41\x9e\xff\xff\x3f\x47\xce\xff"
        "\xff\x46\x0e\x17\x1b\xf3\xe5\xfa\x62\xd7\x77\xfa\x07\x52\xa4\xff\xe9"
        "\x9b\xf4\x3f\x7d\x93\xfe\xa7\x6f\xd2\xff\xf4\x4d\xfa\x9f\xbe\x49\xff"
        "\xff\xcd\x45\x00\x95\xfe\x9b\xc3\xd2\xff\xf4\x4d\xfa\x2f\x44\x7a\x76"
        "\xa5\x9f\x3f\xcb\xb8\xb2\xe3\x4a\xff\xfe\x09\x21\x84\x10\x42\x08\x21"
        "\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10"
        "\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08"
        "\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84"
        "\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42"
        "\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21"
        "\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10"
        "\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08"
        "\x21\x84\x48\x1f\xce\x85\xcb\x0c\x00\xfc\x65\x7e\xa5\xd7\x25\x84\x10"
        "\x42\x08\x21\x84\x10\x42\x88\x7f\x9d\x90\xf1\x4a\xaf\x40\x08\x21\x84"
        "\x10\x42\x08\x21\x84\x10\xff\xf7\x21\x28\xd0\x60\x20\x82\x0c\x90\x11"
        "\x52\x20\x13\x64\x86\xab\x20\x0b\x5c\x0d\x59\xe1\x1a\x48\xc0\xb5\x90"
        "\x0d\xae\x83\xec\x70\x3d\xe4\x80\x9c\x90\x0b\x72\x43\x1e\xc8\x0b\xf9"
        "\xc0\x02\x81\x03\x86\x18\xf2\x43\x01\x48\xc2\x0d\x50\x10\x6e\x84\x42"
        "\x50\x18\x8a\x40\x51\xf0\x50\x0c\x8a\xc3\x4d\x50\x02\x6e\x86\x92\x70"
        "\x0b\x94\x82\x5b\xa1\x34\xdc\x06\x65\xa0\x2c\x94\x83\xf2\x70\x3b\x54"
        "\x80\x3b\xa0\x22\x54\x82\xca\x70\x27\x54\x81\xbb\xa0\x2a\x54\x83\xbb"
        "\xa1\x3a\xdc\x03\x35\xe0\x5e\xa8\x09\xf7\x41\x2d\xb8\x1f\x6a\xc3\x03"
        "\x50\x07\x1e\x84\xba\xf0\x10\xd4\x83\x87\xa1\x3e\x3c\x02\x0d\xe0\x51"
        "\x68\x08\x8d\xa0\x31\x34\x81\xa6\xff\x47\xf9\x2f\x42\x57\x78\x09\xba"
        "\x41\x77\x48\x85\x1e\xd0\x13\x5e\x86\x5e\xd0\x1b\xfa\x40\x5f\xe8\x07"
        "\xaf\x40\x7f\x78\x15\x06\xc0\x6b\x30\x10\x06\xc1\x60\x78\x1d\x86\xc0"
        "\x1b\x30\x14\xde\x84\x61\x30\x1c\x46\xc0\x5b\x30\x12\x46\xc1\x68\x18"
        "\x03\x63\x61\x1c\x8c\x87\xb7\x61\x02\xbc\x03\x13\xe1\x5d\x98\x04\x93"
        "\x61\x0a\x4c\x85\x69\x30\x1d\x66\xc0\x7b\x30\x13\x66\xc1\x6c\x78\x1f"
        "\xe6\xc0\x07\x30\x17\xe6\xc1\x7c\x58\x00\x0b\xe1\x43\x58\x04\x8b\x21"
        "\x0d\x3e\x82\x25\xf0\x31\x2c\x85\x65\xb0\x1c\x56\xc0\x4a\x58\x05\xab"
        "\x61\x0d\xac\x85\x75\xb0\x1e\x36\xc0\x46\xd8\x04\x9b\x61\x0b\x6c\x85"
        "\x4f\x60\x1b\x6c\x87\x1d\xb0\x13\x76\xc1\x6e\xd8\x03\x9f\xc2\x5e\xf8"
        "\x0c\xf6\xc1\xe7\xb0\x1f\xbe\xf8\x07\xf3\xcf\xfe\xa7\xfc\x4e\x08\x08"
        "\xa8\x50\xa1\x41\x83\x19\x30\x03\xa6\x60\x0a\x66\xc6\xcc\x98\x05\xb3"
        "\x60\x56\xcc\x8a\x09\x4c\x60\x36\xcc\x86\xd9\x31\x3b\xe6\xc0\x1c\x98"
        "\x0b\x73\x61\x1e\xcc\x83\xf9\x30\x1f\x12\x12\x32\x32\xe6\xc7\xfc\x98"
        "\xc4\x24\x16\xc4\x82\x58\x08\x0b\x61\x11\x2c\x82\x1e\x3d\x16\xc7\xe2"
        "\x58\x02\x6f\xc6\x92\x58\x12\x4b\x61\x29\x2c\x8d\xa5\xb1\x0c\x96\xc5"
        "\xb2\x58\x1e\xcb\x63\x05\xac\x80\x15\xb1\x22\x56\xc6\xca\x58\x05\xab"
        "\x60\x55\xac\x8a\x77\xe3\xdd\x78\x0f\xd6\xc0\x1a\x58\x13\x6b\x62\x2d"
        "\xac\x85\xb5\xb1\x36\xd6\xc1\x3a\x58\x17\xeb\x62\x3d\xac\x87\xf5\xb1"
        "\x3e\x36\xc0\x06\xd8\x10\x1b\x62\x63\x6c\x8c\x4d\xb1\x29\x36\xc3\x66"
        "\xd8\x1c\x9b\x63\x4b\x6c\x89\xad\xb0\x15\xb6\xc6\xd6\xd8\x06\xdb\x60"
        "\x5b\x6c\x8b\xed\xb0\x1d\xb6\xc7\xf6\xd8\x01\x3b\x60\x47\xec\x88\x9d"
        "\xb0\x33\x76\xc6\x17\xf1\x45\x7c\x09\x5f\xc2\xee\x58\x45\xf5\xc0\x9e"
        "\xd8\x13\x7b\x61\x2f\xec\x83\x7d\xb1\x2f\xbe\x82\xfd\xf1\x55\x7c\x15"
        "\x5f\xc3\x81\x38\x08\x07\xe3\xeb\xf8\x3a\xbe\x81\x43\xf1\x0c\x0e\xc3"
        "\xe1\x38\x02\x47\x60\x05\x35\x0a\x47\xe3\x18\x64\x35\x0e\xc7\xe3\x78"
        "\x9c\x80\x13\x70\x22\x4e\xc4\x49\x38\x19\x27\xe3\x54\x9c\x86\xd3\x71"
        "\x06\xce\xc0\x99\x38\x0b\x67\xe1\xfb\x38\x07\x3f\xc0\x0f\x70\x1e\xce"
        "\xc3\x05\xb8\x10\x17\xe2\x22\x5c\x8c\x69\x98\x86\x4b\xf0\x2c\x2e\xc5"
        "\x65\xb8\x1c\x57\xe0\x4a\x5c\x85\x2b\x71\x0d\xae\xc5\x35\xb8\x1e\x37"
        "\xe0\x7a\xdc\x84\x9b\x70\x0b\x6e\xc1\x4f\xf0\x13\xdc\x8e\xdb\x71\x27"
        "\xee\xc4\xdd\xb8\x1b\x3f\xc5\x4f\xf1\x33\xfc\x0c\x07\xe2\x7e\xdc\x8f"
        "\x07\xf0\x00\x1e\xc4\x83\x78\x08\x0f\xe1\x61\x3c\x8c\x47\xf0\x08\x1e"
        "\xc5\xa3\x78\x0c\x8f\xe1\x71\x3c\x8e\x27\xf0\x24\x9e\xc2\x93\x78\x1a"
        "\x4f\xe3\x19\x3c\x8b\xe7\xf0\x1c\x9e\xc7\xf3\x78\x01\x9f\xcf\xf3\x75"
        "\xbd\xdd\x85\xd7\x0d\x04\x75\x89\x51\x46\x65\x50\x19\x54\x8a\x4a\x51"
        "\x99\x55\x66\x95\x45\x65\x51\x59\x55\x56\x95\x50\x09\x95\x4d\x65\x53"
        "\xd9\x55\x76\x95\x43\xe5\x50\xb9\x54\x2e\x95\x47\xe5\x51\xf9\x54\x3e"
        "\x45\x8a\x14\xab\x58\xe5\x57\xf9\x55\x52\x25\x55\x41\x55\x50\x15\x52"
        "\x85\x54\x11\x55\x44\x79\xe5\x55\x71\x55\x5c\x95\x50\x25\x54\x49\x55"
        "\x52\x95\x52\xb7\xaa\xd2\xea\x36\x55\x46\x95\x55\x2d\x7c\x79\x55\x5e"
        "\x55\x50\x2d\x7d\x45\x55\x49\x55\x56\x95\x55\x15\x75\x97\xaa\xaa\xaa"
        "\xa9\x6a\xaa\xba\xaa\xae\x6a\xa8\x1a\xaa\xa6\xaa\xa9\x6a\xa9\x5a\xaa"
        "\xb6\x7a\x40\xd5\x51\x3d\xb0\x0f\x3e\xa4\x2e\x75\xa6\xbe\x1a\x84\x0d"
        "\xd4\x60\x6c\xa8\x1a\xa9\xc6\xaa\x89\x7a\x03\x1f\x53\xcd\xd4\x50\x6c"
        "\xae\x5a\xa8\x96\xea\x09\x35\x1c\x87\x61\x6b\xd5\xcc\xb7\x51\x4f\xab"
        "\xb6\x6a\x34\xb6\x53\xcf\xaa\x31\xf8\x9c\xea\xa0\xc6\x61\x47\xf5\x82"
        "\xea\xa4\x3a\xab\x2e\xea\x45\xd5\x55\x35\xf7\xdd\x32\xfc\xf6\x11\xa8"
        "\xa6\x62\x2f\xd5\x5b\xf5\x51\x7d\xd5\x4c\xbc\x4b\x5d\xea\x58\x55\xf5"
        "\x9a\x1a\xa8\x06\xa9\xc1\xea\x75\xb5\x00\xdf\x50\x43\xd5\x9b\x6a\x98"
        "\x1a\xae\x46\xa8\xb7\xd4\x48\x35\x4a\x8d\x56\x63\xd4\x58\x35\x4e\x8d"
        "\x57\x6f\xab\x09\xea\x1d\x35\x51\xbd\xab\x26\xa9\xc9\x6a\x8a\x9a\xaa"
        "\xa6\xa9\xe9\x6a\x86\x7a\x4f\xcd\x54\xb3\xd4\x6c\xf5\xbe\x9a\xa3\x3e"
        "\x50\x73\xd5\x3c\x35\x5f\x2d\x50\x0b\xd5\x87\x6a\x91\x5a\xac\xd2\xd4"
        "\x47\x6a\x89\xfa\x58\x2d\x55\xcb\xd4\x72\xb5\x42\xad\x54\xab\xd4\x6a"
        "\xb5\x46\xad\x55\xeb\xd4\x7a\xb5\x41\x6d\x54\x9b\xd4\x66\xb5\x45\x6d"
        "\x55\x9f\xa8\x6d\x6a\xbb\xda\xa1\x76\xaa\x5d\x6a\xb7\xda\xa3\x3e\x55"
        "\x7b\xd5\x67\x6a\x9f\xfa\x5c\xed\x57\x5f\xa8\x03\xea\x4f\xea\xa0\xfa"
        "\x52\x1d\x52\x5f\xa9\xc3\xea\x6b\x75\x44\x7d\xa3\x8e\xaa\x6f\xd5\x31"
        "\xf5\x9d\x3a\xae\xbe\x57\x27\xd4\x49\x75\x4a\xfd\xa0\x4e\xab\x1f\xd5"
        "\x19\x75\x56\x9d\x53\x3f\xa9\xf3\xea\x67\x75\x41\xfd\xa2\x2e\xaa\xa0"
        "\x40\xa3\x56\x5a\x6b\xa3\x23\x9d\x41\x67\xd4\x29\x3a\x93\xce\xac\xaf"
        "\xd2\x59\xf4\xd5\x3a\xab\xbe\x46\x27\xf4\xb5\x3a\x9b\xbe\x4e\x67\xd7"
        "\xd7\xeb\x1c\x3a\xa7\xce\xa5\x73\xeb\x3c\x3a\xaf\xce\xa7\xad\x26\xed"
        "\x34\xeb\x58\xe7\xd7\x05\x74\x52\xdf\xa0\x0b\xea\x1b\x75\x21\x5d\x58"
        "\x17\xd1\x45\xb5\xd7\xc5\x74\x71\x7d\x93\x2e\xa1\x6f\xd6\x25\xf5\x2d"
        "\xba\x94\xbe\x55\x97\xd6\xb7\xe9\x32\xba\xac\x2e\xa7\xcb\xeb\xdb\x75"
        "\x05\x7d\x87\xae\xa8\x2b\xe9\xca\xfa\x4e\x5d\x45\xdf\xa5\xab\xea\x6a"
        "\xfa\x6e\x5d\x5d\xdf\xa3\x6b\xe8\x7b\x75\x4d\x7d\x9f\xae\xa5\xef\xd7"
        "\xb5\xf5\x03\xba\x8e\x7e\x50\xd7\xd5\x0f\xe9\x7a\xfa\x61\x5d\x5f\x3f"
        "\xa2\x1b\xe8\x47\x75\x43\xdd\x48\x37\xd6\x4d\x74\x53\xfd\x98\x6e\xa6"
        "\x1f\xd7\xcd\x75\x0b\xdd\x52\x3f\xa1\x5b\xe9\x27\x75\x6b\xfd\x94\x6e"
        "\xa3\x9f\xd6\x6d\xf5\x33\xba\x9d\x7e\x56\xb7\xd7\xcf\xe9\x0e\xfa\x79"
        "\xdd\x51\xbf\xa0\x3b\xe9\xce\xba\x8b\xfe\x45\x5f\xd4\x41\x77\xd3\xdd"
        "\x75\xaa\xee\xa1\x7b\xea\x97\x75\x2f\xdd\x5b\xf7\xd1\x7d\x75\x3f\xfd"
        "\x8a\xee\xaf\x5f\xd5\x03\xf4\x6b\x7a\xa0\x1e\xa4\x07\xeb\xd7\xf5\x10"
        "\xfd\x86\x1e\xaa\xdf\xd4\xc3\xf4\x70\x3d\x42\xbf\xa5\x47\xea\x51\x7a"
        "\xb4\x1e\xa3\xc7\xea\x71\x7a\xbc\x7e\x5b\x4f\xd0\xef\xe8\x89\xfa\x5d"
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        "\x4d\x6b\x69\x2d\xad\xa7\xf5\xb4\x91\x36\xd2\x66\xda\x4c\x5b\x69\x2b"
        "\x6d\xa3\x6d\xb4\x83\x76\xd0\x2e\xda\x45\x7b\x68\x0f\xed\xa5\xbd\xb4"
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        "\x3a\x4c\x47\xe8\x08\x1d\xa5\xa3\x74\x8c\x8e\xd1\x71\x3a\x4e\x27\xe8"
        "\x04\x9d\xa2\x53\x74\x9a\x4e\xd3\x19\x3a\x43\xe7\xe8\x1c\x9d\xa7\x9f"
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        "\xc7\x3d\xea\xea\xba\x46\xae\x9e\x6b\xe2\xea\xbb\x47\x5c\x03\xf7\xa8"
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        "\xbd\xee\x33\x77\xce\xfd\xe4\x8e\xba\x6f\xdd\x79\xf7\xb3\xeb\xe6\xba"
        "\xbb\x7e\xee\x15\xd7\xdf\xbd\xea\x06\xb8\xd7\xdc\x40\x37\xe8\x77\xf1"
        "\x08\xf7\x96\x1b\xe9\x46\xb9\xd1\x6e\x8c\x1b\xeb\xc6\xfd\x2e\x9e\xe2"
        "\xa6\xba\x69\x6e\xba\x9b\xe1\xde\x73\x33\xdd\xac\xdf\xc5\x0b\xdd\x87"
        "\x6e\x8e\x4b\x73\x73\xdd\x3c\x37\xdf\x2d\xf8\x35\xbe\xb4\xa6\x34\xf7"
        "\x91\x5b\xe2\x3e\x76\x4b\xdd\x32\xb7\xdc\xad\x70\x2b\xdd\x2a\xb7\xda"
        "\xad\xf9\xdf\x6b\x5d\xe1\x36\xb9\xcd\x6e\x8b\xdb\xe3\x3e\x75\xdb\xdc"
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        "\xc7\x9c\x9f\x0b\x70\x92\x6f\xe0\x82\x7c\x23\x17\xe2\xc2\x5c\x84\x8b"
        "\xb2\xe7\x62\x5c\x9c\x6f\xe2\x12\x7c\x33\x97\xe4\x5b\xb8\x14\xdf\xca"
        "\xa5\xf9\x36\x2e\xc3\x65\xb9\x1c\x97\xe7\xdb\xb9\x02\xdf\xc1\x15\xb9"
        "\x12\x57\xe6\x3b\xb9\x4a\x08\x5c\x95\xab\xf1\xdd\x5c\x9d\xef\xe1\x1a"
        "\x7c\x2f\xd7\xe4\xfb\xb8\x16\xdf\xcf\xb5\xf9\x01\xae\xc3\x0f\x72\x5d"
        "\x7e\x88\xeb\xf1\xc3\x5c\x9f\x1f\xe1\x06\xfc\x28\x37\xe4\x46\xdc\x98"
        "\x9b\x70\x53\x7e\x8c\x9b\xf1\xe3\xdc\x9c\x5b\x70\x4b\x7e\x82\x5b\xf1"
        "\x93\xdc\x9a\x9f\xe2\x36\xfc\x34\xb7\xe5\x67\xb8\x1d\x3f\xcb\xed\xf9"
        "\x39\xee\xc0\xcf\x73\x47\x7e\x81\x3b\x71\x67\xee\xc2\x2f\x72\x57\x7e"
        "\x89\xbb\x71\x77\x4e\xe5\x1e\xdc\x93\x5f\xe6\x5e\xdc\x9b\xfb\x70\x5f"
        "\xee\xc7\xaf\x70\x7f\x7e\x95\x07\xf0\x6b\x3c\x90\x07\xf1\x60\x7e\x9d"
        "\x87\xf0\x1b\x3c\x94\xdf\xe4\x61\x3c\x9c\x47\xf0\x5b\x3c\x92\x47\xf1"
        "\x68\x1e\xc3\x63\x79\x1c\x8f\xe7\xb7\x79\x02\xbf\xc3\x13\xf9\x5d\x9e"
        "\xc4\x93\x79\x0a\x4f\xe5\x69\x3c\x9d\x67\xf0\x7b\x3c\x93\x67\xf1\x6c"
        "\x7e\x9f\xe7\xf0\x07\x3c\x97\xe7\xf1\x7c\x5e\xc0\x0b\xf9\x43\x5e\xc4"
        "\x8b\x39\x8d\x3f\xe2\x25\xfc\x31\x2f\xe5\x65\xbc\x9c\x57\xf0\x4a\x5e"
        "\xc5\xab\x79\x0d\xaf\xe5\x75\xbc\x9e\x37\xf0\x46\xde\xc4\x9b\x79\x0b"
        "\x6f\xe5\x4f\x78\x1b\x6f\xe7\x1d\xbc\x93\x77\xf1\x6e\xde\xc3\x9f\xf2"
        "\x5e\xfe\x8c\xf7\xf1\xe7\xbc\x9f\xbf\xe0\x03\xfc\x27\x3e\xc8\x5f\xf2"
        "\x21\xfe\x8a\x0f\xf3\xd7\x7c\x84\xbf\xe1\xa3\xfc\x2d\x1f\xe3\xef\xf8"
        "\x38\x7f\xcf\x27\xf8\x24\x9f\xe2\x1f\xf8\x34\xff\xc8\x67\xf8\x2c\x9f"
        "\xe3\x9f\xf8\x3c\xff\xcc\x17\xf8\x17\xbe\xc8\x81\x21\xc6\x58\xc5\x3a"
        "\x36\x71\x14\x67\x88\x33\xc6\x29\x71\xa6\x38\x73\x7c\x55\x9c\x25\xbe"
        "\x3a\xce\x1a\x5f\x13\x27\xe2\x6b\xe3\x6c\xf1\x75\x71\xf6\xf8\xfa\x38"
        "\x47\x9c\x33\xce\x15\xe7\x8e\xf3\xc4\x79\xe3\x7c\xb1\x8d\x29\x76\x31"
        "\xc7\x71\x9c\x3f\x2e\x10\x27\xe3\x1b\xe2\x82\xf1\x8d\x71\xa1\xb8\x70"
        "\x5c\x24\x2e\x1a\xfb\xb8\x58\x5c\x3c\xbe\x29\x2e\x11\xdf\x1c\x97\x8c"
        "\x6f\x89\x4b\xc5\xb7\xc6\xa5\xe3\xdb\xe2\x32\x71\xd9\xf8\x91\xfb\xca"
        "\xc7\xb7\xc7\x15\xe2\x3b\xe2\x8a\x71\xa5\xb8\x72\x7c\x67\x5c\x25\xbe"
        "\x2b\xae\x1a\x57\x8b\xef\x8e\xab\xc7\xf7\xc4\x35\xe2\x7b\xe3\x9a\xf1"
        "\x7d\x71\xc9\xf8\xfe\xb8\x76\xfc\x40\x5c\x27\x7e\x30\xae\x1b\x3f\x14"
        "\xd7\x8b\x1f\x8e\xeb\xc7\x8f\xc4\x0d\xe2\x47\xe3\x86\x71\xa3\xb8\x71"
        "\xdc\x24\x6e\x1a\x3f\x16\x37\x8b\x1f\x8f\x9b\xc7\x2d\xe2\x96\xf1\x13"
        "\x71\xab\xf8\xc9\xb8\x75\xfc\x54\xdc\x26\x7e\x3a\x6e\x1b\x3f\xf3\x87"
        "\xc7\x53\xe3\x1e\x71\xcf\xf8\xe5\xf8\xe5\x38\x84\x7b\xf5\xfc\xe4\x82"
        "\xe4\xc2\xe4\x87\xc9\x45\xc9\xc5\xc9\xb4\xe4\x47\xc9\x25\xc9\x8f\x93"
        "\x4b\x93\xcb\x92\xcb\x93\x2b\x92\x2b\x93\xab\x92\xab\x93\x6b\x92\x6b"
        "\x93\xeb\x92\xeb\x93\x1b\x92\x1b\x93\x9b\x92\x9b\x93\x5b\x92\x21\x54"
        "\xcb\x08\x1e\xbd\xf2\xda\x1b\x1f\xf9\x0c\x3e\xa3\x4f\xf1\x99\x7c\x66"
        "\x7f\x95\xcf\xe2\xaf\xf6\x59\xfd\x35\x3e\xe1\xaf\xf5\xd9\xfc\x75\x3e"
        "\xbb\xbf\xde\xe7\xf0\x39\x7d\x2e\x9f\xdb\xe7\xf1\x79\x7d\x3e\x6f\x3d"
        "\x79\xe7\xd9\xc7\x3e\xbf\x2f\xe0\x93\xfe\x06\x5f\xd0\xdf\xe8\x0b\xf9"
        "\xc2\xbe\x88\x2f\xea\xbd\x2f\xe6\x8b\xfb\x26\xbe\xa9\x6f\xea\x9b\xf9"
        "\xc7\x7d\x73\xdf\xc2\xb7\xf4\x4f\xf8\x27\xfc\x93\xfe\x49\xff\x94\x7f"
        "\xca\x3f\xed\xdb\xfa\x67\x7c\x3b\xff\xac\x6f\xef\x9f\xf3\x1d\xfc\xf3"
        "\xfe\x79\xff\x82\xef\xe4\x3b\xfb\x2e\xfe\x45\xdf\xd5\xbf\xe4\xbb\xf9"
        "\xee\x3e\xd5\xa7\xfa\x9e\xbe\xa7\xef\xe5\x7b\xf9\x3e\xbe\x8f\xef\xe7"
        "\xfb\xf9\xfe\xbe\xbf\x1f\xe0\x07\xf8\x81\x7e\xa0\x1f\xec\x07\xfb\x21"
        "\x7e\x88\x1f\xea\x87\xfa\x61\x7e\x98\x1f\xe1\x47\xf8\x91\x7e\xa4\x1f"
        "\xed\x47\xfb\xb1\x7e\xac\x1f\xef\xc7\xfb\x09\x7e\x82\x9f\xe8\x27\xfa"
        "\x49\x7e\x92\x9f\xe2\xa7\xf8\x69\x7e\x9a\x9f\xe1\x67\xf8\x99\x7e\xa6"
        "\x9f\xed\x67\xfb\x39\x85\xe6\xf8\xb9\x7e\xae\x9f\xef\xe7\xfb\x85\x7e"
        "\xa1\x5f\xe4\x17\xf9\x34\x9f\xe6\x97\xf8\x25\x7e\xa9\x5f\xea\x97\xfb"
        "\xe5\x7e\xa5\x5f\xe9\x57\xfb\xd5\x7e\xad\x5f\xeb\xd7\xfb\xf5\x7e\xa3"
        "\xdf\xe8\x37\xfb\xcd\x7e\xab\xdf\xea\xb7\xf9\x6d\x7e\x87\xdf\xe1\x77"
        "\xf9\x5d\x7e\x8f\xdf\xe3\xf7\xfa\xbd\x7e\x9f\xdf\xe7\xf7\xfb\xfd\xfe"
        "\x80\x3f\xe0\x0f\xfa\x83\xfe\x90\xff\xca\x1f\xf6\x5f\xfb\x23\xfe\x1b"
        "\x7f\xd4\x7f\xeb\x8f\xf9\xef\xfc\x71\xff\xbd\x3f\xe1\x4f\xfa\x53\xfe"
        "\x07\x7f\xda\xff\xe8\xcf\xf8\xb3\xfe\x9c\xff\xc9\x9f\xf7\x3f\xfb\x0b"
        "\xfe\x17\x7f\xd1\x07\x3f\x3e\xf1\x76\x62\x42\xe2\x9d\xc4\xc4\xc4\xbb"
        "\x89\x49\x89\xc9\x89\x29\x89\xa9\x89\x69\x89\xe9\x89\x19\x89\xf7\x12"
        "\x33\x13\xb3\x12\xb3\x13\xef\x27\xe6\x24\x3e\x48\xcc\x4d\xcc\x4b\xcc"
        "\x4f\x2c\x48\x2c\x4c\x7c\x98\x58\x94\x58\x9c\x48\x4b\x7c\x94\x58\x92"
        "\xf8\x38\xb1\x34\xb1\x2c\xb1\x3c\xb1\x22\xb1\x32\xb1\x2a\x11\x42\xde"
        "\x6d\x71\xc8\x1f\x0a\x84\x64\xb8\x21\x14\x0c\x37\x86\x42\xa1\x70\x28"
        "\x12\x8a\x06\x1f\x8a\x85\xe2\xe1\xa6\x50\x22\xdc\x1c\x4a\x86\x5b\x42"
        "\xa9\x70\x6b\x28\x1d\x6e\x0b\x65\x42\xd9\x50\x2e\x3c\x1a\x1a\x86\x46"
        "\xa1\x71\x68\x12\x9a\x86\xc7\x42\xb3\xf0\x78\x68\x1e\x5a\x84\x96\xe1"
        "\x89\xd0\x2a\x3c\x19\x5a\x87\xa7\x42\x9b\xf0\x74\x68\x1b\x9e\x09\xed"
        "\xc2\xb3\xa1\x7d\x78\x2e\x74\x08\xcf\x87\x8e\xe1\x85\xd0\x29\x74\x0e"
        "\x5d\xc2\x8b\xa1\x6b\x78\x29\x74\x0b\xdd\x43\x6a\xe8\x11\x7a\x86\x97"
        "\x43\xaf\xd0\x3b\xf4\x09\x7d\x43\xbf\xf0\x4a\xe8\x1f\x5e\x0d\x03\xc2"
        "\x6b\x61\x60\x18\x14\x06\x87\xd7\xc3\x90\xf0\x46\x18\x1a\xde\x0c\xc3"
        "\xc2\xf0\x30\x22\xbc\x15\x46\x86\x51\x61\x74\x18\x13\xc6\x86\x71\x61"
        "\x7c\x78\x3b\x4c\x08\xef\x84\x89\xe1\xdd\x30\x29\x4c\x0e\x53\xc2\xd4"
        "\x30\x2d\x4c\x0f\x33\xc2\x7b\x61\x66\x98\x15\x66\x87\xf7\xc3\x9c\xf0"
        "\x41\x98\x1b\xe6\x85\xf9\x61\x41\x58\x18\x3e\x0c\x8b\xc2\xe2\x90\x16"
        "\x3e\x0a\x4b\xc2\xc7\x61\x69\x58\x16\x96\x87\x15\x61\x65\x58\x15\x56"
        "\x87\x35\x61\x6d\x58\x17\xd6\x87\x0d\x61\x63\xd8\x14\x36\x87\x2d\x61"
        "\x6b\xf8\x24\x6c\x0b\xdb\xc3\x8e\xb0\x33\xec\x0a\xbb\xc3\x9e\xf0\x69"
        "\xd8\x1b\x3e\x0b\xfb\xc2\xe7\x61\x7f\xf8\x22\x1c\x08\x7f\x0a\x07\xc3"
        "\x97\xe1\x50\xf8\x2a\x1c\x0e\x5f\x87\x23\xe1\x9b\x70\x34\x7c\x1b\x8e"
        "\x85\xef\xc2\xf1\xf0\x7d\x38\x11\x4e\x86\x53\xe1\x87\x70\x3a\xfc\x18"
        "\xce\x84\xb3\xe1\x5c\xf8\x29\x9c\x0f\x3f\x87\x0b\xe1\x97\x70\x51\xfe"
        "\x66\x4d\x08\x21\x84\x10\xe2\xef\xa2\xff\xe0\x78\x8f\xbf\xf1\xbd\x0c"
        "\x00\xa0\x7e\x9b\xf7\x04\x80\xab\xb7\xe7\x3e\xfc\x9f\x6b\x6e\xcc\xf1"
        "\xe7\x79\x6f\x95\xa7\x55\x02\x00\x9e\xee\xde\xf1\xa1\xbf\x8c\x2a\x55"
        "\x52\x53\x53\x7f\x7b\xed\x52\x0d\x51\x81\x79\x00\x90\xf8\xeb\xfa\x7f"
        "\x89\x97\x41\x4b\x78\x12\xda\x40\x0b\x28\xf1\x37\xd7\xd7\x5b\x75\x3e"
        "\xcf\x7f\x50\x3f\x79\x2b\x40\xe6\xff\x90\x93\x02\x97\xe3\xcb\xf5\x6f"
        "\xfe\x2f\xea\x3f\xf6\xc4\x88\x45\xa5\xe3\x73\xd9\xfe\x9b\xfa\xf3\x00"
        "\x0a\x15\xb8\x9c\x93\x09\x2e\xc7\x97\xeb\x97\xfc\x2f\xea\xe7\x6c\xf6"
        "\x07\xeb\xcf\xf4\xe5\x78\x80\xe6\xff\x21\x27\x0b\x5c\x8e\x2f\xd7\x2f"
        "\x0e\x8f\xc3\x33\xd0\xe6\xaf\x5e\x29\x84\x10\x42\x08\x21\x84\x10\x42"
        "\xfc\x59\x6f\x55\xae\xfd\x1f\xdd\x3f\x5f\xba\x3f\xcf\x63\x2e\xe7\x64"
        "\x84\xcb\xf1\x1f\xdd\x9f\x0b\x21\x84\x10\x42\x08\x21\x84\x10\xe2\xca"
        "\x7b\xae\x73\x97\xa7\x1e\x6b\xd3\xa6\x45\xfb\xbf\x6f\x82\xbf\x3d\x17"
        "\xf8\xc7\xb2\x64\x22\x13\x99\xfc\x7f\x36\xb9\xd2\x9f\x4c\x42\x08\x21"
        "\x84\x10\x42\x88\x7f\xb5\xcb\x17\xfd\x57\x7a\x25\x42\x08\x21\x84\x10"
        "\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08"
        "\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x44"
        "\xfa\xf5\x3f\xf1\xef\xc4\xae\xf4\x1e\x85\x10\x42\x08\x21\x84\x10\x42"
        "\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21"
        "\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10"
        "\x42\x08\x21\x84\x10\x42\x88\x2b\xed\x7f\x05\x00\x00\xff\xff\x96\xec"
        "\x39\x69",
        5374));
    NONFAILING(syz_mount_image(/*fs=*/0x200000000000, /*dir=*/0x200000000240,
                               /*flags=*/0, /*opts=*/0x200000000600,
                               /*chdir=*/2, /*size=*/0x14fe,
                               /*img=*/0x200000002180));
    break;
  case 1:
    NONFAILING(memcpy((void*)0x200000000040, "./bus\000", 6));
    syscall(__NR_creat, /*file=*/0x200000000040ul, /*mode=*/0ul);
    break;
  case 2:
    NONFAILING(memcpy((void*)0x2000000002c0, "/dev/loop", 9));
    NONFAILING(*(uint8_t*)0x2000000002c9 = 0x30);
    NONFAILING(*(uint8_t*)0x2000000002ca = 0);
    NONFAILING(memcpy((void*)0x200000000140, "./bus\000", 6));
    syscall(__NR_mount, /*src=*/0x2000000002c0ul, /*dst=*/0x200000000140ul,
            /*type=*/0ul, /*flags=MS_BIND*/ 0x1000ul, /*data=*/0ul);
    break;
  case 3:
    NONFAILING(memcpy((void*)0x200000000040, "./bus\000", 6));
    res = syscall(
        __NR_open, /*file=*/0x200000000040ul,
        /*flags=O_NONBLOCK|O_NOATIME|O_DIRECT|O_CREAT|O_RDWR*/ 0x44842ul,
        /*mode=*/0ul);
    if (res != -1)
      r[0] = res;
    break;
  case 4:
    NONFAILING(memcpy(
        (void*)0x200000000780,
        "\xef\x51\xe1\xc4\xc7\x2f\x59\x26\xf1\x4b\x99\x6e\xd0\xd5\x3c\xed\x7e"
        "\x1d\xa6\x8c\x27\x25\x8e\x06\x57\x87\x36\x04\x16\x97\xdd\x07\xb5\x7e"
        "\x49\x9b\x4d\xdb\x64\x95\x61\x60\xe1\xee\x83\xb4\x7e\xf7\x75\x56\x1f"
        "\x20\xd4\x79\xa5\x5c\xaa\xec\x3a\xdd\x01\xd4\x84\x29\xd7\x94\xc6\xb5"
        "\xcb\xd2\x59\xd9\xcd\x13\xda\x11\x91\x3c\x5e\x51\xb0\xd8\x86\x9c\xa6"
        "\xb2\x94\x8a\xdb\xa3\x55\xfe\x4c\x67\xa9\x78\x8f\xa8\x12\x18\x5b\x96"
        "\xb9\xf1\xec\x41\xce\xc8\xb9\xaa\xe0\xd6\xcb\xd9\x94\x76\xc5\xf4\x81"
        "\xcd\x0d\x09\xf4\xf4\xc2\x82\xb5\x73\xa4\xee\x95\x54\x7e\xe8\xd7\xa6"
        "\x98\x6a\xed\xed\xbf\xe9\xea\x47\x69\xbc\xbb\x23\xbb\x61\x5b\x09\xc8"
        "\x69\x2e\x04\xd8\xe4\x45\x4f\xb6\x9e\x46\x84\x3e\x3d\xf4\xef\x3a\x8a"
        "\xd6\x0c\x5c\x19\x72\x29\xca\x4d\x6e\x3f\x8b\x1b\x31\x87\xa7\x82\x09"
        "\xe2\xf4\x50\x68\xbc\xc6\x16\xb3\xed\xaf\x36\xa9\xb0\x57\x74\xe4\x61"
        "\xe4\xc8\x94\xb1\x8e\x0a\xc0\xfc\x30\x96\x1c\x39\x4d\x0a\xf0\x82\x72"
        "\x89\x10\x1e\x0f\xdd\x7b\x06\xa4\x50\x8c\x94\x43\x29\x61\xe0\x22\x70"
        "\x57\xb1\x17\xf4\x95\x28\xc3\x14\xaf\xe3\xb1\xf7\x75\xc1\x79\x98\xc2"
        "\x57\x5a\xb9\x6c\x06\x72\x16\x76\x4c\xf5\xf6\xd3\x07\x8e\xf7\x3b\x55"
        "\x3c\x5a\xf4\xcf\xae\x07\x42\x28\x30\x24\x34\x67\xa8\x15\xc2\x3f\x70"
        "\x08\xd7\xd8\xd6\x97\x7a\xbb\xc6\x42\xca\xa0\x1b\xcb\x59\x62\xc8\x41"
        "\x1d\x21\x6c\xf8\xca\x8f\xf2\x4b\x9a\xe0\x3b\x71\x88\x29\x53\x75\x34"
        "\xfa\x89\x88\x80\x39\xcb\x36\xff\x57\xba\x77\x85\x1c\xa6\xf0\x8f\x9f"
        "\x72\xfb\x4d\xec\x0a\x4d\xfd\x21\x1b\xdd\x0e\x7c\x6b\xe2\xf8\xcf\xc2"
        "\xcd\xa4\x49\xf8\xd9\x5c\xa3\x4f\xd5\x6b\xee\x8d\x7d\x3e\x8b\x55\xab"
        "\x77\xe0\xcb\x19\x90\x29\x46\xe9\xd5\x16\x6b\xa3\xab\x8e\xd7\x40\x3e"
        "\xd8\xee\x91\x93\xff\x9d\xe9\x2d\x6c\x74\x4e\x6c\x79\x33\x74\x43\x95"
        "\x80\x2e\x90\xf5\x53\xe8\xb2\xa6\xf2\x8e\xdf\xc5\xbd\x47\xa6\x23\xc6"
        "\x15\x44\xe1\xce\xa1\x40\x92\xc7\x68\x67\xf3\x05\xe1\xd2\x6f\xa3\x12"
        "\x13\xb3\xef\xfe\x58\x84\xcb\x6a\xc0\xc3\x6b\x4e\xc8\xd8\x1e\x84\x6d"
        "\x44\x31\x56\xc0\x70\xea\x62\xfd\x16\x84\x40\x00\xc9\x5d\x8e\x47\x94"
        "\x32\x3d\x83\x42\xec\xa0\x39\xc5\x4a\xad\x23\x0b\xfd\x44\x71\xd6\x56"
        "\x37\xf1\x10\x7e\x60\xdb\x1a\x08\xca\xa9\x15\x0f\xb0\x1c\xf7\x02\xdd"
        "\x04\x0a\x64\x11\xa4\x8b\x01\x07\xb3\x41\x38\xba\x68\xec\xcc\x1f\x34"
        "\xe9\xa7\x6e\x17\x3e\xd2\x8d\x44\x36\x3b\x1c\x7b\xd8\x69\x7a\xc1\x14"
        "\x53\xea\x0b\x93\x8b\x4d\x31\xcb\x8c\x6a\xb2\xe9\x8a\xbb\x57\x7f\xa7"
        "\x0e\xbb\x36\xfd\xac\x2b\x4e\xe7\x93\x4f\x25\xce\xb0\x3d\xe4\xa8\x44"
        "\x95\xb4\x81\x71\x62\xe7\x3a\xae\x45\x8a\x01\xcf\x53\x43\x90\x7b\xa0"
        "\x14\xf1\xd3\x03\x46\xfc\x83\xe8\x7f\x25\xd4\x4f\x74\x6d\x88\xb5\x57"
        "\xcf\xcc\x22\x3f\x37\xa4\xbc\xce\xf7\x58\xcb\x8d\x99\x11\x6e\x1f\xf4"
        "\x51\xd4\xfb\xd0\x2e\xdd\x72\x3a\x2c\xdd\x21\x6d\xd7\x19\x8c\x67\xb9"
        "\x40\xd8\x41\xad\x08\x14\xdd\xc4\xe0\x4a\x6c\x8a\xc4\x80\x07\x7c\x9c"
        "\xe9\xc5\x28\x6f\x94\xd3\x21\x13\x05\x00\x3a\x03\x37\x4c\x8d\x4d\x10"
        "\xa8\x5a\x40\x21\x32\xb1\x39\x63\x7f\x79\x2a\x85\x77\x51\xd1\x82\xc6"
        "\x1b\x14\x91\x48\x77\x1a\xd0\x3b\xda\x81\xc2\x89\xbf\xd3\xbe\xb1\x71"
        "\xdb\xcd\x5e\xcf\xd4\x23\x5d\x5f\xe1\x85\xb8\xed\x1b\xd6\xe1\x13\x78"
        "\x30\xc6\xe7\xc9\x65\x5e\x80\xb7\x7c\xff\x5b\xe6\x98\x34\x4b\x7c\x07"
        "\x7d\x1c\x85\xed\xfe\xa8\xc3\xf5\x27\xa6\xb6\xeb\x74\x2b\x48\x49\xbb"
        "\x9b\x87\xa7\xaf\xc4\xe4\x1a\x58\xfd\xba\xe3\xa0\xe6\xbc\x79\x10\x74"
        "\x06\xcf\x57\xd2\x50\x2f\xa6\x32\x8f\x5b\xc3\x41\x9c\x5d\x3d\x35\xdc"
        "\xfb\x00\x5b\x5b\xc7\x74\x7c\x3e\x9c\xab\x1f\x7e\x60\xa0\xfd\x2c\x4f"
        "\x1e\x14\xe6\x3b\x2a\xa8\x87\x7f\xd6\x7d\xed\x25\x73\x9b\xd9\x67\x5c"
        "\x22\x14\x5f\x86\x89\x41\x6f\x77\x49\x73\x72\x95\x26\x61\x54\xd9\x3d"
        "\x6c\x58\xc8\x30\x55\x13\xde\xb0\x70\xbf\x23\xc3\x27\xad\xfc\xfc\x82"
        "\x12\x2a\x67\x1f\xf9\x3c\xd0\x8a\x76\x77\x61\x2a\x8b\xce\x61\x58\x63"
        "\x5e\x11\xf4\x52\x63\x6c\x0b\x64\xe3\xb9\x98\x3b\x96\x71\xea\x45\xb7"
        "\x6f\x0c\x9a\x3d\x9a\xce\xf9\x3d\x94\x8f\xa5\x62\x8a\xf8\x85\x84\x32"
        "\x49\x33\x24\xdb\x8d\x43\x85\x66\xed\x34\xc0\xa1\x84\x4d\x08\x88\xb5"
        "\x68\x20\xc4\x7f\x29\x0b\x58\x3d\xb9\xf5\x8f\xda\x75\x32\x99\x79\x58"
        "\x5e\xa6\x7c\x5c\xff\x40\x2e\xa4\x46\x77\x49\xed\x52\x1c\x9a\xc9\x5b"
        "\x22\xbe\x63\x66\xb4\x65\xa8\x4d\x79\x66\xd6\x6d\x01\xa0\x9e\xd8\x41"
        "\x9b\x21\xb6\x33\xe5\x3f\xc7\x09\xee\xb8\xc6\xf6\xc5\x09\x68\x74\x12"
        "\x16\x19\xf3\x53\x3d\xb3\xcb\xfa\xea\xf0\x43\xf1\x67\xc7\xc4\x41\xd0"
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        "\x9e\x1c\x82\xa0\x57\x13\xbe\x38\x0d\xad\x7d\xdc\x07\x4a\xc1\x05\xd1"
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        "\xd3\x6b\xce\xa0\xa7\xec\x5b\xb7\xeb\xc0\xbe\x02\xdf\x5b\x5e\x41\x42"
        "\xd0\xa6\xdc\x67\x9a\x28\x40\xab\xb9\x53\xd3\x7d\x09\xb2\x68\x36\x10"
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        "\xc8\xc1\x9a\xd6\x0b\xef\xbd\x3d\xb2\x77\xb7\x29\x40\xac\x44\xae\x69"
        "\x79\x67\x1a\x35\x0d\xc6\x16\xcf\x71\xd4\xcc\xe8\xc4\x71\xbb\xd4\x89"
        "\xe6\x7f\x67\xb5\xb2\x9e\x2d\xd6\xcc\x45\x3f\xff\xb2\x17\x94\x03\xda"
        "\xb6\xa7\xe5\x5a\x93\x9f\xd9\xd7\x48\x24\x50\x14\x88\xbd\x5a\x33\x02"
        "\x23\x92\xfe\x0c\xcd\xc7\xdd\xe3\xe6\x3e\x7a\x3d\x8e\x46\x15\xc8\xfb"
        "\xaa\x77\x85\x93\x93\x2c\x06\x7b\xff\x13\x86\x06\xc9\x06\x43\x51\xda"
        "\xce\x2a\x1d\x82\xff\x58\x5d\x5d\xbd\x32\xab\xf8\x20\x8b\xb3\x7a\x1a"
        "\x07\xc3\x91\x24\x66\x4a\x3c\x8e\x72\xba\xa1\x54\x03\xd7\x09\xd9\x83"
        "\xa4\xd2\x98\xc6\x80\x4b\xa3\x0e\x25\x17\x75\x0c\x9f\xc9\x71\xcc\xd9"
        "\x5e\xcd\x59\x6a\xad\xdf\x6b\x8a\xe4\x7d\xfb\x4c\xb4\xea\x1b\x01\x52"
        "\x9b\xdd\xd7\xab\x4f\xff\x9b\x9f\x65\x5a\xb3\xd9\x04\x5b\x9f\xea\x17"
        "\xa0\x5f\x8a\xab\x67\xb9\xc1\xa0\x56\x46\x64\x12\x8b\xc3\xb1\xd2\x74"
        "\x93\xc2\xa1\xa9\xbe\x7d\x69\xf7\x77\xff\x86\xc9\xe3\x38\x63\x8a\xa1"
        "\x80\x4e\xb1\xe6\xa6\xb2\x3a\xe1\x95\x1a\x84\xe0\x1f\xa8\xf6\xdd\xc0"
        "\x75\x7a\x0c\x6f\xda\x45\x0d\xb1\x36\x49\x9d\xd8\xc2\x6b\xcf\x40\x9f"
        "\xd8\x6d\x58\xc7\xfe\x87\xea\x85\x8a\xd9\x29\x52\xb2\x46\x6b\xec\x5c"
        "\x62\x4b\xf6\xc0\xae\x29\xc9\x7c\x5a\xff\x0e\xb1\x6b\x1b\x79\xf6\xce"
        "\x98\xb9\xd0\x00\x83\x6c\x5e\x5c\x04\xad\xc2\x6e\x2e\xb9\x75\x58\x66"
        "\x37\x5a\x50\xf9\x12\x3f\xf1\xd3\xd1\xc3\xad\x26\x80\x63\x62\x55\x9a"
        "\x28\x9e\x1d\x17\xf1\x18\xab\xd3\xd6\x8c\x6f\x4c\x29\x10\x0c\xc4\xe6"
        "\x1d\x06\x24\x48\x3b\xa8\xa8\x62\xd1\xeb\x7a\x31\xfc\x98\xc6\x7d\x5b"
        "\x1d\xb9\x4b\x0c\x51\x9c\x89\xc2\x4f\x23\x78\xe3\xe6\x0a\x9f\x57\x81"
        "\x27\x0e\xdd\x49\xe3\xd4\x2c\x5c\xcd\x1b\xa1\xed\x42\x31\x10\x29\x31"
        "\x61\x16\x7b\xf2\xc9\xe2\xe9\x53\x43\xee\x40\x2f\xf2\x6f\xbd\x8e\x18"
        "\xda\x09\xc0\xbb\xb2\x98\x9b\x65\x2b\xe5\xaa\xb5\x43\x69\x54\xaf\xb5"
        "\xd3\x88\x21\x8c\x21\x25\xe0\xab\x97\x20\xe3\x58\xa9\xed\x5f\x50\x7a"
        "\x91\x51\x6a\x1a\xfe\x5b\x07\x95\xf8\x54\xe9\x4f\x9a\x19\xb3\x59\x3f"
        "\xef\xd0\x35\xa9\xd4\x27\x18\xd7\x1d\xc6\xf7\x0f\xb0\xa8\x45\x51\x29"
        "\x88\x51\xfb\xae\x57\x3c\x5a\x71\x42\x39\x04\x57\x3e\x1c\xe0\x6b\xf5"
        "\x01\x7d\x0b\xcf\x1d\xb6\x5f\x67\x19\x4a\x3f\x1c\xb3\x8a\x77\x96\x84"
        "\xad\xd1\x31\xf7\x2f\x99\x48\xed\x0d\x95\x8b\xe0\xa9\x68\x47\x37\xdb"
        "\xc7\x18\x18\x11\x1a\xd2\x04\xf4\x38\xf2\x10\x39\xf9\x0f\x09\xd2\x9a"
        "\x53\xe0\x35\x84\xd9\xe3\x0b\xba\xea\x53\xbf\x01\x39\x29\x05\x7e\x61"
        "\x7b\xe9\x03\x32\xcb\x1d\x81\x07\x2e\x76\xbd\x4b\x47\x71\x9b\x27\x5b"
        "\x07\xde\xee\xa5\x2c\xed\x5b\x27\x95\xf5\xa6\x33\x68\xce\x3e\x2e\xb8"
        "\xcd\xa5\xf2\xa5\xdb\x9f\x31\x64\x86\x48\x0c\xe9\x15\xea\xab\xe3\xcf"
        "\xd6\xda\x43\xd7\xbf\xf2\xd1\xe8\x0f\x15\x99\xe3\xaa\x64\xb2\xfc\x8b"
        "\x22\x34\x89\xbc\xe1\x1d\x84\x4e\x33\x0a\xf8\x02\xc9\x65\x71\x55\x0a"
        "\x20\x54\xe5\xa9\x8f\x22\xd4\xdf\x74\x61\x1f\x7c\xa4\xea\x16\x6a\xbd"
        "\xd1\x3b\xee\xc3\x16\x19\xf6\x71\x11\x9d\x21\x42\x53\x84\x6e\xca\x5b"
        "\xe0\xb8\xec\xa6\xf9\x2c\xd6\x2a\xac\x41\xad\xa6\x5f\xbb\xee\xe7\x43"
        "\xe1\xd9\x03\x21\xa0\xa7\x2c\xa9\xb1\xdb\x71\xbe\x26\xd4\x0b\xe1\x4f"
        "\xd3\xef\xaf\x28\x4d\xa9\x54\x28\x20\xac\xcf\x04\x56\x5d\xab\xd7\xc0"
        "\x89\x2b\x5e\xa8\x64\x75\x7b\x1b\xae\x27\xa0\x7a\xb3\x82\x41\x0b\xd1"
        "\x75\x2b\x60\x21\xc6\xcc\x48\xf9\x3a\xb4\x06\xde\xb6\x0b\x75\x4b\x18"
        "\xd5\x6d\x07\xf0\x4d\x18\x03\x14\x52\x34\x4b\x92\xb7\x91\x61\x23\xe5"
        "\x84\x48\x70\x97\x52\xe2\x73\x4d\x49\xac\x7f\xa2\x81\x08\xf3\xf2\x9f"
        "\x95\x89\xb9\x6e\x58\x7f\xe4\x90\xb8\xe9\xc4\x85\xcc\xbc\xb1\xb2\x90"
        "\x18\xbd\xd8\xad\x83\x5f\xac\xef\xf3\x4d\xde\x61\x81\x88\xda\xec\x24"
        "\x13\xb5\xcb\x98\x4c\x4f\xfd\xa0\xb0\x25\x53\x7d\xc1\xc1\x7d\x0b\x02"
        "\xa1\x15\x90\x25\xee\xca\xc6\x1d\x92\x65\x36\x45\x0b\xd5\x27\x05\x2c"
        "\x3f\xb8\x2a\x7c\x7f\x05\xf1\xe3\xaa\xf2\x34\x68\x4c\x61\xe1\x6c\x92"
        "\xf9\x9f\x57\x9e\xd6\xce\xa3\x3d\x04\x89\x0c\x67\x7b\x63\x34\xb2\x80"
        "\xf7\x80\x90\x8d\x6a\xa4\x8c\xb3\x07\xa8\x63\x5e\x39\x24\xb6\x6b\x68"
        "\x49\x11\x27\xb7\x6d\x3c\x49\x54\x43\xd6\xb7\xba\xa4\x42\x08\x2d\x5c"
        "\xd5\x7d\x0f\xc5\x50\x86\x66\x20\x81\x1e\x61\x08\x60\x5a\xa8\xb6\x05"
        "\x04\x88\x1b\xbd\x92\x73\x5e\xd3\xc2\x72\xbe\x09\xc4\x19\x06\xfb\x38"
        "\xe0\x6a\x9b\x53\x44\x18\x8b\x12\xb3\x51\x33\xf3\xe5\x35\xb1\x54\xc5"
        "\x24\xff\x4c\x7c\x44\xef\x97\x97\x59\x31\xd5\x00\x65\x6d\xd8\x9d\xa0"
        "\xa2\x72\x7f\xa1\x96\xa4\xa5\x6e\x8a\x6c\xb6\xb9\x55\xbd\x43\xfc\xbd"
        "\x6a\x11\x90\x8b\x07\x71\x81\x8c\x63\x8f\x63\xbb\xb1\x3e\x2d\x01\x6c"
        "\x3e\xb5\x18\x9f\x10\x31\x71\xac\x01\xb1\x85\xc5\x23\x09\xfb\x7c\x21"
        "\x41\x8c\xde\x69\xec\x3b\x32\x0d\x66\xfc\x06\xbf\x91\x51\x3e\x9d\xc7"
        "\xc6\xae\x60\xd7\x35\x4f\x8e\x95\x39\xfd\x3a\xee\x0d\x1e\xb8\x60\x09"
        "\xcc\x72\x2e\x1b\xe7\x88\xb7\xea\x0c\xd4\xb9\xd4\x63\xff\x93\xa9\x0a"
        "\xdb\x73\x1d\xe4\xe3\x8c\x6c\xb1\x2b\x28\xbb\xd8\x2b\x92\xf3\x75\x3b"
        "\x9b\xea\x03\x9d\xba\x79\xaa\x70\x86\xd9\x9d\x11\x0d\x24\xed\x39\x20"
        "\xff\x44\xac\x62\x6f\x90\x3e\xeb\xf3\xb3\xc5\xcf\xbc\x2d\x97\x65\x45"
        "\x75\x05\x5a\x41\xf1\x96\xcf\xdd\x66\x0a\x07\x6d\xe3\x65\x67\x66\x7e"
        "\x9d\x79\x88\xbf\x04\x27\xf0\xd3\x25\xa3\xd0\xbe\x66\x17\x12\x5b\x97"
        "\x55\xa5\x38\xbd\xac\x13\x70\xb2\x23\x81\x04\x6f\x87\x49\x35\xae\x09"
        "\xfb\x06\xe1\x96\x0d\x5c\x70\x7b\x0b\x2c\x01\x31\xdf\x3a\x9d\x7f\x76"
        "\xf7\xd5\x71\x2a\xd3\x2c\x56\x08\x37\x75\x6e\x49\x2b\xf8\xa2\xc2\xdd"
        "\x56\x64\xb8\xce\x5e\x3c\x1a\x55\x78\x25\xa6\x3d\x13\x3a\x1a\x5a\xe3"
        "\xe8\xf8\xdf\xc1\xde\x63\x6b\x3b\x81\x70\x9b\x93\xd2\xa1\x5b\x9c\xb4"
        "\xba\x99\xe3\x91\x3e\xb8\xe7\xf8\xf2\xf9\x36\x12\x99\x0d\xa9\xe9\xf5"
        "\xea\x40\x3b\x3c\xcc\xb5\x18\xe1\x47\x52\x76\xa7\x9c\x8a\x42\x4e\xa2"
        "\x14\x6b\x5f\xca\x7a\x82\xef\x97\x81\x0d\x93\xd4\x98\x13\xb8\x23\xc9"
        "\xca\x95\xb4\xfe\x15\xbb\x3f\x89\x6a\x11\xd4\xc7\x49\xbd\xaf\xe7\x01"
        "\x3c\x42\xc9\x0e\xfe\xd5\xca\x42\x17\x7a\x09\x0c\x64\x38\x7f\xd9\x27"
        "\xd6\x15\x6c\x69\xcf\xed\x66\x6e\xf6\x81\x1f\xd2\xa9\xd0\x07\x83\xf7"
        "\x22\xde\x87\x6f\x19\x2e\x1e\x24\x42\x8c\x4b\xa1\x5c\x74\x03\x8b\xc7"
        "\x1e\x0e\x37\x4c\x4a\x3a\x1b\x2b\x78\x79\xcc\x3c\xa6\x97\xdd\x5b",
        4096));
    syscall(__NR_write, /*fd=*/r[0], /*buf=*/0x200000000780ul,
            /*count=*/0x1000ul);
    break;
  }
}
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;
  install_segv_handler();
  use_temporary_dir();
  loop();
  return 0;
}