// https://syzkaller.appspot.com/bug?id=f40de3a81b1bd1913bee1cc60e71d6f913eb6b03
// 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 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 long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile long flags, volatile long optsarg,
                            volatile long change_dir,
                            volatile unsigned long size, volatile long image)
{
  unsigned char* data = (unsigned char*)image;
  int res = -1, err = 0, loopfd = -1, need_loop_device = !!size;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    source = loopname;
  }
  mkdir(target, 0777);
  char opts[256];
  memset(opts, 0, sizeof(opts));
  if (strlen(mount_opts) > (sizeof(opts) - 32)) {
  }
  strncpy(opts, mount_opts, sizeof(opts) - 32);
  if (strcmp(fs, "iso9660") == 0) {
    flags |= MS_RDONLY;
  } else if (strncmp(fs, "ext", 3) == 0) {
    bool has_remount_ro = false;
    char* remount_ro_start = strstr(opts, "errors=remount-ro");
    if (remount_ro_start != NULL) {
      char after = *(remount_ro_start + strlen("errors=remount-ro"));
      char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1);
      has_remount_ro = ((before == '\0' || before == ',') &&
                        (after == '\0' || after == ','));
    }
    if (strstr(opts, "errors=panic") || !has_remount_ro)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

error_clear_loop:
  if (need_loop_device) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
  errno = err;
  return res;
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
retry:
  while (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW) == 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, MNT_DETACH | UMOUNT_NOFOLLOW) == 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, MNT_DETACH | UMOUNT_NOFOLLOW))
        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, MNT_DETACH | UMOUNT_NOFOLLOW))
          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)
{
  int i, call, thread;
  for (call = 0; call < 14; 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);
      event_timedwait(&th->done, 50 + (call == 6 ? 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 (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[7] = {0x0,
                 0xffffffffffffffff,
                 0xffffffffffffffff,
                 0xffffffffffffffff,
                 0xffffffffffffffff,
                 0xffffffffffffffff,
                 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    *(uint64_t*)0x20000140 = 8;
    *(uint64_t*)0x20000148 = 0x8b;
    syscall(__NR_prlimit64, /*pid=*/0, /*res=*/0xeul, /*new=*/0x20000140ul,
            /*old=*/0ul);
    break;
  case 1:
    res = syscall(__NR_getpid);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    *(uint32_t*)0x20001700 = 3;
    syscall(__NR_sched_setscheduler, /*pid=*/r[0], /*policy=*/1ul,
            /*prio=*/0x20001700ul);
    break;
  case 3:
    res = syscall(__NR_socketpair, /*domain=*/1ul, /*type=*/2ul, /*proto=*/0,
                  /*fds=*/0x20000200ul);
    if (res != -1) {
      r[1] = *(uint32_t*)0x20000200;
      r[2] = *(uint32_t*)0x20000204;
    }
    break;
  case 4:
    syscall(__NR_sendmmsg, /*fd=*/r[2], /*mmsg=*/0x200bd000ul, /*vlen=*/0x318ul,
            /*f=*/0ul);
    break;
  case 5:
    syscall(__NR_recvmmsg, /*fd=*/r[1], /*mmsg=*/0x200000c0ul,
            /*vlen=*/0x10106ul, /*f=*/2ul, /*timeout=*/0ul);
    break;
  case 6:
    memcpy((void*)0x20000100, "udf\000", 4);
    memcpy((void*)0x20000040, "./file0\000", 8);
    memcpy((void*)0x20000200,
           "iocharset=cp932,longad,session=00000000000000000004,uid=", 56);
    sprintf((char*)0x20000238, "%020llu", (long long)0);
    memcpy((void*)0x2000024c, ",gid=", 5);
    sprintf((char*)0x20000251, "%020llu", (long long)0);
    memcpy(
        (void*)0x20000265,
        "\x2c\x75\x6d\x61\x73\x6b\x3d\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30"
        "\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x32\x2c\x75\x6e\x64"
        "\x65\x6c\x65\x74\x65\x2c\x00\x18\x5d\x0d\x7e\xbb\x7a\x33\xea\x95\x1a"
        "\x4a\xb1\x3f\x60\x98\x8c\x9d\xd5\xb0\xe9\xa7\x30\xee\xe2\x81\x97\x4c"
        "\x3e\x89\xc6\x5e\xa6\x13\x6c\x9f\x18\x50\x0a\x88\x0a\x74\x81\x67\xd2"
        "\xaf\x5e\xbd\xf8\x3d\x9d\x27\x3d\xb8\x53\xb8\x47\x0b\x9a\xf7\xa9\x4d"
        "\x69\x99\x54\x86\x28\xa6\x15\xe0\xed\x44\xc0\xac\x54\xc4\xa1\x17\xa3"
        "\xcd\xe0\x27\xde\x89\x5e\x8d\x41\x16\x80\x08",
        130);
    memcpy(
        (void*)0x20002440,
        "\x78\x9c\xec\xdd\x41\x6c\x1c\xd7\x7d\x07\xe0\xff\x1b\x2d\x45\x4a\x6e"
        "\x2b\x26\x4e\x54\xbb\x8d\x8b\x4d\x5b\xa4\x32\x63\xb9\xb2\xa4\x98\x8a"
        "\x55\xb8\xab\x9a\x66\x1b\x40\x96\x89\x50\xcc\x2d\x00\x57\xe4\x4a\x5d"
        "\x98\x22\x09\x92\x6a\x64\x23\x6d\x99\x5e\x7a\xe8\x21\x40\x51\xf4\x90"
        "\x13\x81\xd6\x28\x90\xa2\x81\xd1\x14\x41\x8f\x6c\xeb\x02\xc9\xc5\x87"
        "\x22\xa7\x9e\x88\x16\x36\x82\xa2\x07\xb6\x08\x90\x93\xc1\x60\x66\xdf"
        "\x8a\x4b\x8a\xb2\x64\x53\xa4\x48\xfb\xfb\x6c\xea\x37\x3b\xfb\xde\xec"
        "\x7b\x6f\xd6\x33\xb2\xa0\x37\x2f\x00\x00\x00\x00\x00\x00\x00\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\x88\xdf\x7b\xf9\xd2\x99\xe7\xd2\xa3\x6e\x05"
        "\x00\xb0\x9f\xae\x8c\x7f\xf5\xcc\x59\xf7\x7f\x00\xf8\x44\xb9\xea\xff"
        "\xff\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\xa0\x4b\x51\xc4"
        "\xe3\x91\x62\xfe\xca\x7a\x9a\xac\x5e\x77\x0c\x5c\x6e\xcf\xde\xba\x3d"
        "\x31\x32\xba\x73\xb5\x63\xa9\xaa\x79\xa4\x2a\x5f\xfe\x0c\x3c\x77\xf6"
        "\xdc\xf9\x2f\x3d\x3f\x7c\xa1\x9b\x1f\x5c\xff\x61\x7b\x32\x5e\x1d\xbf"
        "\x7a\xa9\xfe\xd2\xdc\xcd\xf9\x85\xd6\xe2\x62\x6b\xba\x3e\x31\xdb\x9e"
        "\x9a\x9b\x6e\x3d\xf0\x11\x76\x5b\x7f\xbb\xa1\x6a\x00\xea\x37\x5f\xbb"
        "\x35\x7d\xfd\xfa\x62\xfd\xec\xb3\xe7\xb6\xbc\x7d\x7b\xf0\xbd\xfe\xc7"
        "\x4e\x0e\x5e\x1c\x7e\xfa\xf4\x53\xdd\xb2\x13\x23\xa3\xa3\xe3\x3d\x65"
        "\x6a\x7d\x1f\xf9\xd3\xef\x72\xaf\x19\x1e\x47\xa3\x88\xd3\x91\xe2\x99"
        "\xef\xfd\x24\x35\x23\xa2\x88\xdd\x8f\xc5\x7d\xbe\x3b\x7b\xed\x58\xd5"
        "\x89\xa1\xaa\x13\x13\x23\xa3\x55\x47\x66\xda\xcd\xd9\xa5\xf2\xcd\xb1"
        "\xee\x40\x14\x11\xf5\x9e\x4a\x8d\xee\x18\xed\xc3\xb9\xd8\x95\x46\xc4"
        "\x72\xd9\xfc\xb2\xc1\x43\x65\xf7\xc6\xe7\x9b\x0b\xcd\x6b\x33\xad\xfa"
        "\x58\x73\x61\xa9\xbd\xd4\x9e\x9b\x1d\x4b\x9d\xd6\x96\xfd\xa9\x47\x11"
        "\x17\x52\xc4\x4a\x44\xac\xf5\xdf\x7d\xb8\xbe\x28\xa2\x16\x29\xbe\x73"
        "\x62\x3d\x5d\x8b\x88\x23\xdd\x71\xf8\x62\x35\x31\xf8\xde\xed\x28\xf6"
        "\xb0\x8f\x0f\xa0\x6c\x67\xbd\x2f\x62\xa5\x38\x04\xe7\xec\x00\xeb\x8f"
        "\x22\x5e\x89\x14\x3f\x7d\xbb\x88\xa9\x72\xcc\xf2\x4f\x7c\x21\xe2\x95"
        "\x32\x7f\x10\xf1\x66\x99\x2f\x46\xa4\xf2\x8b\x71\x3e\xe2\xdd\x1d\xbe"
        "\x47\x1c\x4e\xb5\x28\xe2\x2f\xca\xf3\x7f\x71\x3d\x4d\x57\xd7\x83\xee"
        "\x75\xe5\xf2\xd7\xea\x5f\x99\xbd\x3e\xd7\x53\xb6\x7b\x5d\x39\xf4\xf7"
        "\x87\xfd\x74\xc0\xaf\x4d\x03\x51\x44\xb3\xba\xe2\xaf\xa7\x8f\xfe\x9b"
        "\x1d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1e\xb6\x63"
        "\x51\xc4\x93\x91\xe2\xe5\xff\xf8\xa3\x6a\x5e\x71\x54\xf3\xd2\x4f\x5c"
        "\x1c\xfe\xfd\xc1\x5f\xec\x9d\x33\xfe\xc4\x7d\x8e\x53\x96\x7d\x36\x22"
        "\x96\x8b\x07\x9b\x93\x7b\x34\x4f\x21\x1e\x4b\x63\x29\x3d\xe2\xb9\xc4"
        "\x9f\x64\x03\x51\xc4\x1f\xe7\xf9\x7f\xdf\x7a\xd4\x8d\x01\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf8\x44\x2b\xe2\xc7\x91"
        "\xe2\x85\x77\x4e\xa5\x95\xe8\x5d\x53\xbc\x3d\x7b\xa3\x7e\xb5\x79\x6d"
        "\xa6\xb3\x2a\x6c\x77\xed\xdf\xee\x9a\xe9\x1b\x1b\x1b\x1b\xf5\xd4\xc9"
        "\x46\xce\xc9\x9c\xcb\x39\x57\x72\xae\xe6\x5c\xcb\x19\x45\xae\x9f\xb3"
        "\x91\x73\x32\xe7\x72\xce\x95\x9c\xab\x39\xd7\x72\xc6\x91\x5c\x3f\x67"
        "\x23\xe7\x64\xce\xe5\x9c\x2b\x39\x57\x73\xae\xe5\x8c\x5a\xae\x9f\xb3"
        "\x91\x73\x32\xe7\x72\xce\x95\x9c\xab\x39\xd7\x72\xc6\x01\x59\xbb\x17"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\xe3\xa4\x88\x22"
        "\xde\x8f\x14\xdf\xfe\xc6\x7a\x8a\x14\x11\x8d\x88\xc9\xe8\xe4\x6a\x7f"
        "\xb7\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf0\x28"
        "\xf5\xa7\x22\xbe\x1f\x29\xea\x7f\xd0\xb8\xb3\xaf\x16\x11\xa9\xfa\xb7"
        "\xe3\x54\xf9\xcb\xf9\x68\x1c\x2d\xf3\xd3\xd1\x18\x2e\xf3\xc5\x68\x5c"
        "\xca\xd9\xac\xb2\xd6\xf8\xd6\x23\x68\x3f\xbb\xd3\x97\x8a\xf8\x51\xa4"
        "\xe8\x1f\x78\xeb\xce\x09\xcf\xe7\xbf\xaf\xf3\xea\xce\xd7\x20\xde\xfc"
        "\xe6\xe6\xab\x5f\xa9\x75\xf2\x48\xf7\xcd\xc1\xf7\xfa\x1f\x3b\x79\xe2"
        "\xe2\xf0\xe8\xaf\x3d\x71\xaf\xed\xb4\x53\x03\x86\x2e\xb7\x67\x6f\xdd"
        "\xae\x4f\x8c\x8c\x8e\x8e\xf7\xec\xae\xe5\x4f\xff\x74\xcf\xbe\xc1\xfc"
        "\xb9\xc5\xc3\xe9\x3a\x11\xb1\xf8\xfa\x1b\xaf\x35\x67\x66\x5a\x0b\x36"
        "\x3e\x19\x1b\xb5\xce\x46\x2d\x0e\x48\x7b\xf6\x6b\x23\x5f\xaf\xe2\xa0"
        "\xb4\x67\xfb\x46\xe3\x60\x34\x63\x73\xe3\x11\x5f\x98\xd8\x17\xe5\xfd"
        "\xff\xdd\x48\xf1\xdb\xef\xfc\x67\xf7\x86\xdf\xbd\xff\xff\x42\xe7\xd5"
        "\x9d\x3b\x7c\xfc\xec\x4f\x36\xef\xff\x2f\x6c\x3f\xd0\x1e\xdd\xff\x1f"
        "\xef\xd9\xf7\x42\xfe\xdd\x48\x5f\x2d\x62\x60\xe9\xe6\x7c\xdf\xc9\x88"
        "\x81\xc5\xd7\xdf\x38\xdd\xbe\xd9\xbc\xd1\xba\xd1\x9a\x3d\x7f\xe6\xcc"
        "\x97\x87\x87\xbf\x7c\xee\x4c\xdf\xd1\x88\x81\xeb\xed\x99\x56\xcf\xd6"
        "\xae\x87\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x60\x7f"
        "\xa5\x22\x7e\x37\x52\x34\x7f\xb4\x9e\xea\x11\x71\xbb\x9a\xaf\x35\x78"
        "\x71\xf8\xe9\xd3\x4f\x1d\x89\x23\xd5\x7c\xab\x2d\xf3\xb6\x5e\x1d\xbf"
        "\x7a\xa9\xfe\xd2\xdc\xcd\xf9\x85\xd6\xe2\x62\x6b\xba\x3e\x31\xdb\x9e"
        "\x9a\x9b\x6e\x3d\xe8\xc7\x0d\x54\xd3\xbd\x26\x46\x46\xf7\xa4\x33\xf7"
        "\x75\x6c\x8f\xdb\x7f\x6c\xe0\xa5\xb9\xf9\xd7\x17\xda\x37\xfe\x70\x69"
        "\xc7\xf7\x8f\x0f\x5c\xba\xb6\xb8\xb4\xd0\x9c\xda\xf9\xed\x38\x16\x45"
        "\x44\xa3\x77\xcf\x50\xd5\xe0\x89\x91\xd1\xaa\xd1\x33\xed\xe6\x6c\x55"
        "\x75\x6c\xc7\xc9\x74\x1f\x5e\x5f\x2a\xe2\xbf\x22\xc5\xd4\xf9\x7a\xfa"
        "\x7c\xde\x97\xe7\xff\x6d\x9f\xe1\xbf\x65\xfe\xff\xf2\xf6\x03\xed\xd1"
        "\xfc\xbf\x4f\xf5\xec\x2b\x3f\x33\xa5\x22\x7e\x16\x29\x7e\xeb\x2f\x9f"
        "\x88\xcf\x57\xed\x3c\x1e\x77\x8d\x59\x2e\xf7\xb7\x91\x62\xe8\xc2\xe7"
        "\x72\xb9\x38\x5a\x96\xeb\xb6\xa1\xf3\x5c\x81\xce\xcc\xc0\xb2\xec\xff"
        "\x45\x8a\x7f\x7c\x7f\x6b\xd9\xee\x7c\xc8\xc7\x37\xcb\x3e\xf7\xc0\x03"
        "\x7b\x48\x94\xe7\xff\x44\xa4\xf8\xfe\x9f\x7f\x37\x7e\x3d\xef\xdb\xfa"
        "\xfc\x87\x9d\xcf\xff\xf1\xed\x07\xda\xa3\xf3\xff\x99\x9e\x7d\xc7\xb7"
        "\x3c\xaf\x60\xd7\x5d\x27\x9f\xff\xd3\x91\xe2\xc5\xc7\xdf\x8a\xdf\xc8"
        "\xfb\x3e\xe8\xf9\x1f\x45\x6c\x6c\x6c\xfc\x69\xc4\xa9\x5c\xf8\xce\xf3"
        "\x39\xf6\xe8\xfc\x7f\xb6\x67\xdf\x60\x74\x3e\xf7\x37\x1f\x5e\xf7\x01"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x0e\xad\xbe\x54\xc4\xdf\x45\x8a\xa7"
        "\x46\x6b\xe9\xf9\xbc\xef\x41\xfe\xfe\xdf\xf4\xf6\x03\xed\xd1\xdf\xff"
        "\xfa\xe5\x9e\x7d\xd3\xfb\xb4\x5e\xd1\xae\x07\x15\x00\x00\x00\x00\x0e"
        "\x88\xbe\x54\xc4\x8f\x23\xc5\x8d\xa5\xb7\xee\xcc\xa1\xde\x3a\xff\xbb"
        "\x67\xfe\xe7\xef\x6c\xae\xbd\x3e\x92\xb6\xbd\x5b\xfd\x39\xdf\x2f\x55"
        "\xcf\x0d\x78\x98\x7f\xfe\xd7\x6b\x30\x7f\xee\xe4\xee\xbb\x0d\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\x4a\x4a\x45"
        "\x3c\x9f\xd7\x53\x9f\xbc\xcf\x7a\xea\xab\x91\xe2\xe5\xff\x79\x26\x97"
        "\x4b\x27\xcb\x72\xdd\x75\xe0\x07\xab\x5f\x07\xae\xcc\xcd\x9e\xbe\x34"
        "\x33\x33\x37\xd5\x5c\x6a\x5e\x9b\x69\xd5\xc7\xe7\x9b\x53\xad\xb2\xee"
        "\x67\x22\xc5\xfa\xdf\x7c\x2e\xd7\x2d\xaa\xf5\xd5\xbb\xeb\xcd\x77\xd6"
        "\x78\x1f\xd8\xe8\xae\xc5\xbe\x10\x29\x46\xff\xbe\x5b\xb6\xb3\x16\x7b"
        "\x77\x6d\xf2\xce\x7a\xe0\x9d\xb5\xd8\xcb\xb2\x9f\x8a\x14\xff\xfd\x0f"
        "\x5b\xcb\x76\xd7\xb1\xfe\xec\x66\xd9\xb3\x65\xd9\xbf\x8e\x14\x5f\xff"
        "\xe7\x9d\xcb\x9e\xdc\x2c\x7b\xae\x2c\xfb\xdd\x48\xf1\xc3\xaf\xd7\xbb"
        "\x65\x8f\x97\x65\xbb\xcf\x47\xed\x3c\x93\x74\xa0\x16\x33\xad\x67\xa7"
        "\xe6\x66\xee\x7a\x14\x2a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x7c\x58\x7d\xa9\x88\x3f\x8b\x14\xff\x7b\x73\x25\x96"
        "\xf3\xb4\xff\xbc\xfe\x7f\x77\x05\xfe\x5a\xb7\xec\x9b\xdf\xec\x59\xef"
        "\x7f\x9b\xdb\xd5\x3a\xff\x83\xd5\xfa\xff\xf7\xda\xfe\x28\xeb\xff\x0f"
        "\x3e\xb4\x9e\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"
        "\xc0\xe1\x91\xa2\x88\x37\x22\xc5\xfc\x95\xf5\xb4\xda\x5f\xbe\xee\x18"
        "\xb8\xdc\x9e\xbd\x75\x7b\x62\x64\x74\xe7\x6a\xc7\x52\x55\xf3\x48\x55"
        "\xbe\xfc\x19\x78\xee\xec\xb9\xf3\x5f\x7a\x7e\xf8\x42\x37\x3f\xb8\xfe"
        "\xc3\xf6\x64\xbc\x3a\x7e\xf5\x52\xfd\xa5\xb9\x9b\xf3\x0b\xad\xc5\xc5"
        "\xd6\x74\x7d\x62\xb6\x3d\x35\x37\xdd\x7a\xe0\x23\xec\xb6\xfe\xe6\xd0"
        "\x75\x0c\x55\x03\x50\xbf\xf9\xda\xad\xe9\xeb\xd7\x17\xeb\x67\x9f\x3d"
        "\xb7\xe5\xed\xdb\x83\xef\xf5\x3f\x76\x72\xf0\xe2\xf0\xd3\xa7\x9f\xea"
        "\x96\x9d\x18\x19\x1d\x1d\xef\x29\x53\xeb\xfb\x10\x9f\xfe\xa1\x1a\xb7"
        "\xe9\x68\x14\xf1\x57\x91\xe2\x99\xef\xfd\x24\xfd\x4b\x7f\x44\x11\xbb"
        "\x1f\x8b\xfb\x7c\x77\xf6\xda\xb1\xaa\x13\x43\x55\x27\x26\x46\x46\xab"
        "\x8e\xcc\xb4\x9b\xb3\x4b\xe5\x9b\x63\xdd\x81\x28\x22\xea\x3d\x95\x1a"
        "\xdd\x31\xda\x87\x73\xb1\x2b\x8d\x88\xe5\xb2\xf9\x65\x83\x87\xca\xee"
        "\x8d\xcf\x37\x17\x9a\xd7\x66\x5a\xf5\xb1\xe6\xc2\x52\x7b\xa9\x3d\x37"
        "\x3b\x96\x3a\xad\x2d\xfb\x53\x8f\x22\x2e\xa4\x88\x95\x88\x58\xeb\xbf"
        "\xfb\x70\x7d\x51\xc4\x6b\x91\xe2\x3b\x27\xd6\xd3\xbf\xf6\x47\x1c\xe9"
        "\x8e\xc3\x17\xaf\x8c\x7f\xf5\xcc\xd9\x7b\xb7\xa3\xd8\xc3\x3e\x3e\x80"
        "\xb2\x9d\xf5\xbe\x88\x95\xe2\x10\x9c\xb3\x03\xac\x3f\x8a\xf8\xa7\x48"
        "\xf1\xd3\xb7\x4f\xc5\xbf\xf5\x47\xd4\xa2\xf3\x13\x5f\x88\x78\xa5\xcc"
        "\x1f\x44\xbc\x59\xe6\x8b\x11\xa9\xfc\x62\x9c\x8f\x78\x77\x87\xef\x11"
        "\x87\x53\x2d\x8a\xf8\xff\xf2\xfc\x5f\x5c\x4f\x6f\xf7\x97\xd7\x83\xee"
        "\x75\xe5\xf2\xd7\xea\x5f\x99\xbd\x3e\xd7\x53\xb6\x7b\x5d\x39\xf4\xf7"
        "\x87\xfd\x74\xc0\xaf\x4d\x03\x51\xc4\x0f\xab\x2b\xfe\x7a\xfa\x77\xff"
        "\x5d\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1c\x20\x45"
        "\xfc\x6a\xa4\x78\xe1\x9d\x53\xa9\x9a\x1f\x7c\x67\x4e\x71\x7b\xf6\x46"
        "\xfd\x6a\xf3\xda\x4c\x67\x5a\x5f\x77\xee\x5f\x77\xce\xf4\xc6\xc6\xc6"
        "\x46\x3d\x75\xb2\x91\x73\x32\xe7\x72\xce\x95\x9c\xab\x39\xd7\x72\x46"
        "\x91\xeb\xe7\x6c\xe4\x9c\xcc\xb9\x9c\x73\x25\xe7\x6a\xce\xb5\x9c\x71"
        "\x24\xd7\xcf\xd9\xc8\x39\x99\x73\x39\xe7\x4a\xce\xd5\x9c\x6b\x39\xa3"
        "\x96\xeb\xe7\x6c\xe4\x9c\xcc\xb9\x9c\x73\x25\xe7\x6a\xce\xb5\x9c\x71"
        "\x40\xe6\xee\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x1f\x2f\x45\xf5\x4f\x8a\x6f\x7f\x63\x3d\x6d\xf4\x77\xd6\x97\x9e"
        "\x8c\x4e\xae\x5a\x0f\xf4\x63\xef\xe7\x01\x00\x00\xff\xff\x5b\xce\xfd"
        "\x0b",
        3095);
    syz_mount_image(/*fs=*/0x20000100, /*dir=*/0x20000040, /*flags=*/0x14444,
                    /*opts=*/0x20000200, /*chdir=*/0xfe, /*size=*/0xc17,
                    /*img=*/0x20002440);
    break;
  case 7:
    memcpy((void*)0x20000180, "./bus\000", 6);
    res = syscall(__NR_open, /*file=*/0x20000180ul, /*flags=*/0x14937eul,
                  /*mode=*/0ul);
    if (res != -1)
      r[3] = res;
    break;
  case 8:
    memcpy((void*)0x20007f80, "./bus\000", 6);
    res = syscall(__NR_open, /*file=*/0x20007f80ul, /*flags=*/0x145142ul,
                  /*mode=*/0ul);
    if (res != -1)
      r[4] = res;
    break;
  case 9:
    syscall(__NR_ftruncate, /*fd=*/r[4], /*len=*/0x2007ffbul);
    break;
  case 10:
    syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x600000ul,
            /*prot=*/0x27ffffful, /*flags=*/0x4002011ul, /*fd=*/r[3],
            /*offset=*/0ul);
    break;
  case 11:
    memcpy((void*)0x20000000, "/proc/partitions\000", 17);
    res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul,
                  /*file=*/0x20000000ul, /*flags=*/0ul, /*mode=*/0ul);
    if (res != -1)
      r[5] = res;
    break;
  case 12:
    memcpy((void*)0x20000080, "/proc/sys/vm/compact_memory\000", 28);
    res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul,
                  /*file=*/0x20000080ul, /*flags=*/1ul, /*mode=*/0ul);
    if (res != -1)
      r[6] = res;
    break;
  case 13:
    syscall(__NR_sendfile, /*fdout=*/r[6], /*fdin=*/r[5], /*off=*/0ul,
            /*count=*/7ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  use_temporary_dir();
  loop();
  return 0;
}