// https://syzkaller.appspot.com/bug?id=f34aaaca22b6590b45be3c10114cf04f402cfdc0
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <netinet/in.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/socket.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/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_link.h>
#include <linux/in6.h>
#include <linux/loop.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/veth.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;
}

struct nlmsg {
  char* pos;
  int nesting;
  struct nlattr* nested[8];
  char buf[4096];
};

static void netlink_init(struct nlmsg* nlmsg, int typ, int flags,
                         const void* data, int size)
{
  memset(nlmsg, 0, sizeof(*nlmsg));
  struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
  hdr->nlmsg_type = typ;
  hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;
  memcpy(hdr + 1, data, size);
  nlmsg->pos = (char*)(hdr + 1) + NLMSG_ALIGN(size);
}

static void netlink_attr(struct nlmsg* nlmsg, int typ, const void* data,
                         int size)
{
  struct nlattr* attr = (struct nlattr*)nlmsg->pos;
  attr->nla_len = sizeof(*attr) + size;
  attr->nla_type = typ;
  if (size > 0)
    memcpy(attr + 1, data, size);
  nlmsg->pos += NLMSG_ALIGN(attr->nla_len);
}

static void netlink_nest(struct nlmsg* nlmsg, int typ)
{
  struct nlattr* attr = (struct nlattr*)nlmsg->pos;
  attr->nla_type = typ;
  nlmsg->pos += sizeof(*attr);
  nlmsg->nested[nlmsg->nesting++] = attr;
}

static void netlink_done(struct nlmsg* nlmsg)
{
  struct nlattr* attr = nlmsg->nested[--nlmsg->nesting];
  attr->nla_len = nlmsg->pos - (char*)attr;
}

static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type,
                            int* reply_len, bool dofail)
{
  if (nlmsg->pos > nlmsg->buf + sizeof(nlmsg->buf) || nlmsg->nesting)
    exit(1);
  struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
  hdr->nlmsg_len = nlmsg->pos - nlmsg->buf;
  struct sockaddr_nl addr;
  memset(&addr, 0, sizeof(addr));
  addr.nl_family = AF_NETLINK;
  ssize_t n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0,
                     (struct sockaddr*)&addr, sizeof(addr));
  if (n != (ssize_t)hdr->nlmsg_len) {
    if (dofail)
      exit(1);
    return -1;
  }
  n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  if (reply_len)
    *reply_len = 0;
  if (n < 0) {
    if (dofail)
      exit(1);
    return -1;
  }
  if (n < (ssize_t)sizeof(struct nlmsghdr)) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  if (hdr->nlmsg_type == NLMSG_DONE)
    return 0;
  if (reply_len && hdr->nlmsg_type == reply_type) {
    *reply_len = n;
    return 0;
  }
  if (n < (ssize_t)(sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  if (hdr->nlmsg_type != NLMSG_ERROR) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  errno = -((struct nlmsgerr*)(hdr + 1))->error;
  return -errno;
}

static int netlink_send(struct nlmsg* nlmsg, int sock)
{
  return netlink_send_ext(nlmsg, sock, 0, NULL, true);
}

static int netlink_query_family_id(struct nlmsg* nlmsg, int sock,
                                   const char* family_name, bool dofail)
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = CTRL_CMD_GETFAMILY;
  netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, family_name,
               strnlen(family_name, GENL_NAMSIZ - 1) + 1);
  int n = 0;
  int err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n, dofail);
  if (err < 0) {
    return -1;
  }
  uint16_t id = 0;
  struct nlattr* attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
                                         NLMSG_ALIGN(sizeof(genlhdr)));
  for (; (char*)attr < nlmsg->buf + n;
       attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
    if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
      id = *(uint16_t*)(attr + 1);
      break;
    }
  }
  if (!id) {
    errno = EINVAL;
    return -1;
  }
  recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  return id;
}

static void netlink_add_device_impl(struct nlmsg* nlmsg, const char* type,
                                    const char* name, bool up)
{
  struct ifinfomsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  if (up)
    hdr.ifi_flags = hdr.ifi_change = IFF_UP;
  netlink_init(nlmsg, RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr,
               sizeof(hdr));
  if (name)
    netlink_attr(nlmsg, IFLA_IFNAME, name, strlen(name));
  netlink_nest(nlmsg, IFLA_LINKINFO);
  netlink_attr(nlmsg, IFLA_INFO_KIND, type, strlen(type));
}

static void netlink_device_change(struct nlmsg* nlmsg, int sock,
                                  const char* name, bool up, const char* master,
                                  const void* mac, int macsize,
                                  const char* new_name)
{
  struct ifinfomsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  if (up)
    hdr.ifi_flags = hdr.ifi_change = IFF_UP;
  hdr.ifi_index = if_nametoindex(name);
  netlink_init(nlmsg, RTM_NEWLINK, 0, &hdr, sizeof(hdr));
  if (new_name)
    netlink_attr(nlmsg, IFLA_IFNAME, new_name, strlen(new_name));
  if (master) {
    int ifindex = if_nametoindex(master);
    netlink_attr(nlmsg, IFLA_MASTER, &ifindex, sizeof(ifindex));
  }
  if (macsize)
    netlink_attr(nlmsg, IFLA_ADDRESS, mac, macsize);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static struct nlmsg nlmsg;

//% 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")) {
  }
}

#define NL802154_CMD_SET_SHORT_ADDR 11
#define NL802154_ATTR_IFINDEX 3
#define NL802154_ATTR_SHORT_ADDR 10

static const char* setup_802154()
{
  const char* error = NULL;
  int sock_generic = -1;
  int sock_route = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock_route == -1) {
    error = "socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) failed";
    goto fail;
  }
  sock_generic = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock_generic == -1) {
    error = "socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) failed";
    goto fail;
  }
  {
    int nl802154_family_id =
        netlink_query_family_id(&nlmsg, sock_generic, "nl802154", true);
    if (nl802154_family_id < 0) {
      error = "netlink_query_family_id failed";
      goto fail;
    }
    for (int i = 0; i < 2; i++) {
      char devname[] = "wpan0";
      devname[strlen(devname) - 1] += i;
      uint64_t hwaddr = 0xaaaaaaaaaaaa0002 + (i << 8);
      uint16_t shortaddr = 0xaaa0 + i;
      int ifindex = if_nametoindex(devname);
      struct genlmsghdr genlhdr;
      memset(&genlhdr, 0, sizeof(genlhdr));
      genlhdr.cmd = NL802154_CMD_SET_SHORT_ADDR;
      netlink_init(&nlmsg, nl802154_family_id, 0, &genlhdr, sizeof(genlhdr));
      netlink_attr(&nlmsg, NL802154_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
      netlink_attr(&nlmsg, NL802154_ATTR_SHORT_ADDR, &shortaddr,
                   sizeof(shortaddr));
      if (netlink_send(&nlmsg, sock_generic) < 0) {
        error = "NL802154_CMD_SET_SHORT_ADDR failed";
        goto fail;
      }
      netlink_device_change(&nlmsg, sock_route, devname, true, 0, &hwaddr,
                            sizeof(hwaddr), 0);
      if (i == 0) {
        netlink_add_device_impl(&nlmsg, "lowpan", "lowpan0", false);
        netlink_done(&nlmsg);
        netlink_attr(&nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
        if (netlink_send(&nlmsg, sock_route) < 0) {
          error = "netlink: adding device lowpan0 type lowpan link wpan0";
          goto fail;
        }
      }
    }
  }
fail:
  close(sock_route);
  close(sock_generic);
  return error;
}

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 < 4; 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 == 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:
    memcpy((void*)0x200000001500, "exfat\000", 6);
    memcpy((void*)0x200000000040, "./file1\000", 8);
    *(uint64_t*)0x200000000400 = 0;
    memcpy(
        (void*)0x200000003fc0,
        "\x78\x9c\xec\xdd\x0b\x98\x4e\x55\xdb\x38\xf0\x75\xaf\xb5\x36\x63\x9a"
        "\x78\x9a\xe4\x30\xac\x7b\xdd\x9b\x27\x0d\x96\x49\x92\x1c\x92\xe4\x90"
        "\x24\x49\x92\xe4\x94\x90\x34\x49\x92\x90\x18\x72\x4a\x42\x12\x72\x9c"
        "\x24\x87\x21\x24\x87\x89\x49\xe3\x7c\x3e\xe4\x9c\x34\x79\x25\x49\x12"
        "\x92\x53\x58\xff\x6b\xea\xed\xf5\xbe\x5f\xef\xf7\xf7\x9e\xbe\xcf\xf7"
        "\xbe\x73\xff\xae\x6b\x5f\xcf\xba\xaf\xbd\xef\x7b\xaf\xfd\xdc\xcf\x33"
        "\xcf\xde\xfb\x9a\x99\xe7\xbb\xae\xc3\x6b\x35\xa9\x5d\xbd\x11\x11\x89"
        "\x7f\x0a\xfc\xfa\x90\x22\x84\x88\x11\x42\x0c\x12\x42\xe4\x13\x42\x04"
        "\x42\x88\xf2\xf1\xe5\xe3\xb3\xd7\xe7\x51\x90\xf2\xcf\xed\x84\xfd\x6b"
        "\x3d\x9c\x76\xb5\x67\xc0\xae\x26\xee\x7f\xce\xc6\xfd\xcf\xd9\xb8\xff"
        "\x39\x1b\xf7\x3f\x67\xe3\xfe\xe7\x6c\xdc\xff\x9c\x8d\xfb\x9f\xb3\x71"
        "\xff\x19\xcb\xc9\xb6\xce\x2c\x7c\x1d\x2f\x39\x77\xf9\xe7\xef\xff\xc7"
        "\xfc\xfa\xc0\xf7\xff\xff\x0d\xf1\xe7\x7f\xce\xc6\xfd\xff\x4f\x73\x2a"
        "\xcf\xdf\xb3\x35\xf7\xff\x3f\xc9\x25\xef\xfd\xdf\x97\xc1\xfd\xcf\xd9"
        "\xb8\xff\x39\x1b\xf7\x3f\x67\xe3\xfe\xe7\x6c\xdc\xff\x9c\x8d\xfb\xcf"
        "\x58\x4e\x76\xb5\xef\x3f\xf3\x72\x75\x97\xab\xfd\xfa\x63\x8c\x31\xc6"
        "\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18"
        "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c"
        "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6"
        "\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\x96\x33\x9c\xf5\x97\x69\x21\xc4\x6f\xe3\xab\x3d"
        "\x2f\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\xfd\xeb\xf8\xdc\x57\x7b\x06"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\xfb\x9f\x07\x42\x0a\x25\xb4\x08"
        "\x44\x2e\x91\x5b\xc4\x88\x3c\x22\x56\x5c\x23\xe2\xc4\xb5\x22\xaf\xc8"
        "\x27\x22\xe2\x3a\x11\x2f\xae\x17\xf9\xc5\x0d\xa2\x80\x28\x28\x0a\x89"
        "\xc2\x22\x41\x14\x11\x45\x85\x11\x28\xac\x20\x11\x8a\x62\xa2\xb8\x88"
        "\x8a\x1b\x45\x09\x71\x93\x48\x14\x25\x45\x29\x51\x5a\x38\x51\x46\x24"
        "\x89\x9b\x45\x59\x71\x8b\x28\x27\x6e\x15\xe5\xc5\x6d\xa2\x82\xb8\x5d"
        "\x54\x14\x95\x44\x65\x51\x45\xdc\x21\xaa\x8a\x3b\x45\x35\x71\x97\xa8"
        "\x2e\xee\x16\x35\x44\x4d\x51\x4b\xd4\x16\xf7\x88\x3a\xe2\x5e\x51\x57"
        "\xdc\x27\xea\x89\xfb\x45\x7d\xf1\x80\x68\x20\x1e\x14\x0d\xc5\x43\xa2"
        "\x91\x78\x58\x34\x16\x8f\x88\x26\xe2\x51\xd1\x54\x3c\x26\x9a\x89\xe6"
        "\xa2\x85\x68\x29\x5a\xfd\x43\xf9\x2f\x89\x9e\xe2\x65\xd1\x4b\xf4\x16"
        "\x29\xa2\x8f\xe8\x2b\x5e\x11\xfd\x44\x7f\x31\x40\x0c\x14\x83\xc4\xab"
        "\x62\xb0\x78\x4d\x0c\x11\xaf\x8b\xa1\x62\x98\x18\x2e\xde\x10\x23\xc4"
        "\x9b\x62\xa4\x78\x4b\x8c\x12\xa3\xc5\x18\xf1\xb6\x18\x2b\xc6\x89\xf1"
        "\x62\x82\x98\x28\x26\x89\x54\xf1\x8e\x98\x2c\xde\x15\x53\xc4\x7b\x62"
        "\xaa\x98\x26\xa6\x8b\x19\x22\x4d\xcc\x14\xb3\xc4\xfb\x62\xb6\x98\x23"
        "\xe6\x8a\x0f\xc4\x3c\xf1\xa1\x98\x2f\x16\x88\x85\x62\x91\x48\x17\x1f"
        "\x89\xc5\x62\x89\xc8\x10\x1f\x8b\xa5\xe2\x13\x91\x29\x96\x89\xe5\x62"
        "\x85\x58\x29\x56\x89\xd5\x62\x8d\x58\x2b\xd6\x89\xf5\x62\x83\xd8\x28"
        "\x36\x89\xcd\x62\x8b\xd8\x2a\x3e\x15\xdb\xc4\x76\xb1\x43\xec\x14\xbb"
        "\xc4\x6e\xb1\x47\x7c\x26\xf6\x8a\xcf\xc5\x3e\xf1\x85\xc8\x12\x5f\xfe"
        "\x9d\xf9\x67\xfe\x4b\x7e\x37\x10\x20\x40\x82\x04\x0d\x1a\x72\x41\x2e"
        "\x88\x81\x18\x88\x85\x58\x88\x83\x38\xc8\x0b\x79\x21\x02\x11\x88\x87"
        "\x78\xc8\x0f\xf9\xa1\x00\x14\x80\x42\x50\x08\x12\x20\x01\x8a\x42\x51"
        "\x40\x40\x20\x20\x28\x06\xc5\x20\x0a\x51\x28\x01\x25\x20\x11\x12\xa1"
        "\x14\x94\x02\x07\x0e\x92\x20\x09\xca\xc2\x2d\x50\x0e\xca\x41\x79\x28"
        "\x0f\x15\xa0\x02\x54\x84\x4a\x50\x09\xaa\x40\x15\xa8\x0a\x55\xa1\x1a"
        "\x54\x83\xea\x50\x1d\x6a\x40\x0d\xa8\x05\xb5\xe0\x1e\xb8\x07\xee\x85"
        "\xba\x50\x17\xea\x41\x3d\xa8\x0f\xf5\xa1\x01\x34\x80\x86\xd0\x10\x1a"
        "\x41\x23\x68\x0c\x8d\xa1\x09\x34\x81\xa6\xd0\x14\x9a\x41\x33\x68\x01"
        "\x2d\xa0\x15\xb4\x82\xd6\xd0\x1a\xda\x40\x1b\x68\x07\xed\xa0\x3d\xb4"
        "\x87\x0e\xd0\x01\x92\x21\x19\x3a\x42\x47\xe8\x04\x9d\xa0\x33\x74\x86"
        "\x2e\xd0\x05\xba\x42\x57\xe8\x06\xdd\xa1\x3b\xbc\x04\x2f\xc1\xcb\xf0"
        "\x32\xf4\x86\x1a\xb2\x0f\xf4\x85\xbe\xd0\x0f\xfa\xc1\x00\x18\x08\x03"
        "\xe1\x55\x18\x0c\xaf\xc1\x6b\xf0\x3a\x0c\x85\x61\x30\x1c\xde\x80\x37"
        "\xe0\x4d\x18\x09\xa7\x61\x14\x8c\x86\x31\x30\x06\xaa\xca\x71\x30\x1e"
        "\x26\x00\xc9\x49\x90\x0a\xa9\x30\x19\x26\xc3\x14\x98\x02\x53\x61\x1a"
        "\x4c\x83\x19\x90\x06\x33\x61\x16\xcc\x82\xd9\x30\x07\xe6\xc0\x07\x30"
        "\x0f\x3e\x84\x0f\x61\x01\x2c\x80\x45\x90\x0e\xe9\xb0\x18\x96\x40\x06"
        "\x64\xc0\x52\x38\x03\x99\xb0\x0c\x96\xc3\x0a\x58\x09\xab\x60\x25\xac"
        "\x81\xb5\xb0\x06\xd6\xc3\x06\x58\x0f\x9b\x60\x13\x6c\x81\x2d\xf0\x29"
        "\x7c\x0a\xdb\x61\x3b\xec\x84\x9d\xb0\x1b\x76\xc3\x67\xf0\x19\x7c\x0e"
        "\x9f\xc3\x50\xc8\x82\x2c\xd8\x0f\xfb\xe1\x00\x1c\x80\x83\x70\x10\x0e"
        "\xc1\x21\x38\x0c\x87\xe1\x08\x1c\x81\xa3\x70\x14\x8e\xc1\x31\x38\x0e"
        "\x27\xe0\x24\x9c\x80\x53\x70\x0a\x4e\xc3\x19\x38\x0b\x67\xe1\x3c\x9c"
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        "\x19\x23\x63\x64\xac\x8c\x95\x71\x32\x4e\xe6\x95\x79\x65\x44\x46\x64"
        "\xbc\x8c\x97\xf9\xe5\x23\xb2\x80\x2c\x20\x0b\xc9\x42\x32\x41\x26\xc8"
        "\xa2\xb2\xa8\x44\x89\x92\x64\x28\x8b\xc9\x62\x32\x2a\xa3\xb2\x84\x2c"
        "\x21\x13\x65\xa2\x2c\x25\x4b\x49\x27\x9d\x4c\x92\x49\xb2\xac\x2c\x2b"
        "\xcb\xc9\x72\xb2\xbc\xbc\x4d\x56\x90\xb7\xcb\x8a\xb2\x92\x6c\xeb\xaa"
        "\xc8\x2a\xb2\xaa\x6c\xe7\xaa\xc9\xbb\x64\x75\x59\x5d\xd6\x90\x35\x65"
        "\x2d\x59\x5b\xd6\x96\x75\x64\x1d\x59\x57\xd6\x95\xf5\x64\x3d\x59\x5f"
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        "\xb3\xdc\x22\xb7\xca\x4f\xe5\x36\xb9\x5d\xee\x90\x3b\xe5\x2e\xb9\x5b"
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        "\x8c\x42\x65\x15\xa9\x50\x15\x53\xc5\x55\x54\xdd\xa8\x4a\xa8\x9b\x54"
        "\xa2\x2a\xa9\x4a\xa9\xd2\xca\xa9\x32\x2a\x49\xdd\xac\xca\xaa\x5b\x54"
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        "\xea\x0e\x55\x55\xdd\xa9\xaa\xa9\xbb\x54\x75\x75\xb7\xaa\xa1\x6a\xaa"
        "\x5a\xaa\xb6\xba\x47\xd5\x51\xf7\xaa\xba\xea\x3e\x55\x4f\xdd\xaf\xea"
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        "\x2f\xd5\x5b\xa5\xa8\x3e\xaa\xaf\x7a\x45\xf5\x53\xfd\xd5\x00\x35\x50"
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        "\x43\x8d\x50\x6f\xaa\x91\xea\x2d\x35\x4a\x8d\x56\x63\xd4\xdb\x6a\xac"
        "\x1a\xa7\xc6\xab\x09\x6a\xa2\x9a\xa4\x52\xd5\x3b\x6a\xb2\x7a\x57\x4d"
        "\x51\xef\xa9\xa9\x6a\x9a\x9a\xae\x66\xa8\x34\x35\x53\x0d\xf8\x63\xa5"
        "\xb9\x7f\x43\xfe\xbb\x7f\x25\x7f\xc8\x2f\x7b\xdf\xa2\xb6\xaa\x4f\xd5"
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        "\xed\x53\xfb\x54\x96\xca\x52\xfb\xd5\x7e\x75\x40\x1d\x50\x07\xd5\x41"
        "\x75\x48\x1d\x52\x87\xd5\x61\x75\x44\x1d\x51\x47\xd5\x51\x75\x4c\x1d"
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        "\xe7\xd4\x79\x75\x5e\x5d\xf8\xe3\x73\x20\x34\x68\xa9\x95\xd6\x3a\xd0"
        "\xb9\x74\x6e\x1d\xa3\xf3\xe8\x58\x7d\x8d\x8e\xd3\xd7\xea\xbc\x3a\x9f"
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        "\xeb\x04\x5d\x44\x17\xd5\x46\xa3\xb6\x9a\x74\xa8\x8b\xe9\xe2\x3a\xaa"
        "\x6f\xd4\x25\xf4\x4d\x3a\x51\x97\xd4\xa5\x74\x69\xed\x74\x19\x9d\xa4"
        "\x6f\xfe\xa7\xf3\xaf\x34\xbf\x56\xba\x95\x6e\xad\x5b\xeb\x36\xba\x8d"
        "\x6e\xa7\xdb\xe9\xf6\xba\xbd\xee\xa0\x3b\xe8\x64\x9d\xac\x3b\xea\x8e"
        "\xba\x93\xee\xa4\x3b\xeb\xce\xba\x8b\xee\xa2\xbb\xea\xae\xba\x9b\xee"
        "\xa6\x7b\xe8\x1e\xba\xa7\xee\xa9\xbd\x10\x22\x45\xa7\xe8\xbe\xfa\x15"
        "\xdd\x4f\xf7\xd7\x03\xf4\x40\x3d\x48\xbf\xaa\x07\xeb\xc1\x7a\x88\x1e"
        "\xa2\x87\xea\xa1\x7a\xb8\x1e\xae\x47\xe8\x11\x7a\xa4\x1e\xa9\x47\xe9"
        "\x51\x7a\x8c\x1e\xa3\xc7\xea\xb1\x7a\xbc\x1e\xaf\x27\xea\x89\x3a\x55"
        "\xa7\xea\xc9\x7a\xb2\x9e\xa2\xa7\xe8\xa9\x7a\xaa\x9e\xae\xa7\xeb\x34"
        "\x9d\xa6\x67\xe9\x59\x7a\xb6\x9e\xad\xe7\xea\xb9\x7a\x9e\x9e\xa7\xe7"
        "\xeb\xf9\x7a\xa1\x5e\xa8\xd3\x75\xba\x5e\xac\x17\xeb\x0c\x9d\xa1\x97"
        "\xea\xa5\x3a\x53\x2f\xd3\xcb\xf4\x0a\xbd\x42\xaf\xd2\xab\xf4\x1a\xbd"
        "\x46\xaf\xd3\xeb\xf4\x06\xbd\x41\x6f\xd2\x9b\x74\xa6\xfe\xed\x17\x34"
        "\x77\xe8\x1d\x7a\x97\xde\xa5\xf7\xe8\x3d\x7a\xaf\xde\xab\xf7\xe9\x7d"
        "\x3a\x4b\x67\xe9\xfd\x7a\xbf\x3e\xa0\x0f\xe8\x83\xfa\xa0\x3e\xa4\x0f"
        "\xe9\xc3\xfa\xb0\x3e\xa2\x8f\xe8\xa3\xfa\xa8\x3e\xa6\x8f\xe9\xe3\xfa"
        "\xb8\x3e\xa9\x4f\xea\x53\xfa\x94\x3e\xad\x4f\xeb\xb3\xfa\xac\x3e\xaf"
        "\xcf\xeb\x0b\xfa\x82\xbe\xa4\x2f\x65\x9f\xf6\x05\x32\x90\x81\x0e\x74"
        "\x90\x2b\xc8\x15\xc4\x04\x31\x41\x6c\x10\x1b\xc4\x05\x71\x41\xde\x20"
        "\x6f\x10\x09\x22\x41\x7c\x10\x1f\xe4\x0f\x6e\x08\x0a\x04\x05\x83\x42"
        "\x41\xe1\x20\x21\x28\x12\x14\x0d\x4c\x80\x81\x0d\x28\x08\x83\x62\x41"
        "\xf1\x20\x1a\xdc\x18\x94\x08\x6e\x0a\x12\x83\x92\x41\xa9\xa0\x74\xe0"
        "\x82\x32\x41\x52\x70\x73\x50\x36\xb8\x25\x28\x17\xdc\x1a\x94\x0f\x6e"
        "\x0b\x2a\x04\xb7\x07\x15\x83\x4a\x41\xe5\xa0\x4a\x70\x47\x50\x35\xb8"
        "\xd3\xf7\xfe\xf5\x14\x34\xa8\x11\xd4\x0c\x6a\x05\xb5\x83\x7b\x82\x3a"
        "\xc1\xbd\x41\xdd\xe0\xbe\xa0\x5e\x70\x7f\x50\x3f\x78\x20\x68\x10\x3c"
        "\x18\x34\x0c\x1e\x0a\x1a\x05\x0f\x07\x8d\x83\x47\x82\x26\xc1\xa3\x41"
        "\xd3\xe0\xb1\xa0\x59\xd0\x3c\x68\x11\xb4\x0c\x5a\xfd\xff\xea\x07\xd5"
        "\x82\xbb\x82\xea\xc1\xdd\x7f\x73\x7d\xef\x4f\x17\x7c\xc2\xf5\x32\xbd"
        "\x4d\x8a\xe9\x63\xfa\x9a\x57\x4c\x3f\xd3\xdf\x0c\x30\x03\xcd\x20\xf3"
        "\xaa\x19\x6c\x5e\x33\x43\xcc\xeb\x66\xa8\x19\x66\x86\x9b\x37\xcc\x08"
        "\xf3\xa6\x19\x69\xde\x32\xa3\xcc\x68\x33\xc6\xbc\x6d\xc6\x9a\x71\x66"
        "\xbc\x99\x60\x26\x9a\x49\x26\xd5\xbc\x63\x26\x9b\x77\xcd\x14\xf3\x9e"
        "\x99\x6a\xa6\x99\xe9\x66\x86\x49\x33\x33\xcd\x2c\xf3\xbe\x99\x6d\xe6"
        "\x98\xb9\xe6\x03\x33\xcf\x7c\x68\xe6\x9b\x05\x66\xa1\x59\x64\xd2\xcd"
        "\x47\x66\xb1\x59\x62\x32\xcc\xc7\x66\xa9\xf9\xc4\x64\x9a\x65\x66\xb9"
        "\x59\x61\x56\x9a\x55\x66\xb5\x59\x63\xd6\x9a\x75\x66\xbd\xd9\x60\x36"
        "\x9a\x4d\x66\xb3\xd9\x62\xb6\x9a\x4f\xcd\x36\xb3\xdd\xec\x30\x3b\xcd"
        "\x2e\xb3\xdb\xec\x31\x9f\x99\xbd\xe6\x73\xb3\xcf\x7c\x61\xb2\xcc\x97"
        "\x66\xbf\xf9\x83\x39\x60\xbe\x32\x07\xcd\xd7\xe6\x90\xf9\xc6\x1c\x36"
        "\xdf\x9a\x23\xe6\x3b\x73\xd4\x7c\x6f\x8e\x99\x1f\xcc\x71\x73\xc2\x9c"
        "\x34\x3f\x9a\x53\xe6\x27\x73\xda\x9c\x31\x67\xcd\x39\x73\xde\xfc\x6c"
        "\x2e\x98\x8b\xe6\x92\xf1\xd9\x27\xf7\xd9\x1f\xef\xa8\x51\x63\x2e\xcc"
        "\x85\x31\x18\x83\xb1\x18\x8b\x71\x18\x87\x79\x31\x2f\x46\x30\x82\xf1"
        "\x18\x8f\xf9\x31\x3f\x16\xc0\x02\x58\x08\x0b\x61\x02\x26\x60\x51\x2c"
        "\x8a\xd9\x08\x09\x8b\x61\x31\x8c\x62\x14\x4b\x60\x09\x4c\xc4\x44\x2c"
        "\x85\xa5\xd0\xa1\xc3\x24\x4c\xc2\xb2\x58\x16\xcb\x61\x39\x2c\x8f\xe5"
        "\xb1\x02\x56\xc0\x8a\x58\x11\x2b\x63\xf6\x8b\xe1\x0e\xbc\x13\xef\xc4"
        "\xbb\xf0\x2e\xbc\x1b\xef\xc6\x9a\x58\x13\x6b\x63\x6d\xac\x83\x75\xb0"
        "\x2e\xd6\xc5\x7a\x58\x0f\xeb\x63\x7d\x6c\x80\x0d\xb0\x21\x36\xc4\x46"
        "\xd8\x08\x1b\x63\x63\x6c\x82\x4d\xb0\x29\x36\xc5\x66\xd8\x0c\x5b\x60"
        "\x0b\x6c\x85\xad\xb0\x35\xb6\xc6\x36\xd8\x06\xdb\x61\x3b\x6c\x8f\xed"
        "\xb1\x03\x76\xc0\x64\x4c\xc6\x8e\xd8\x11\x3b\x61\x27\xec\x8c\x9d\xb1"
        "\x0b\x76\xc1\xae\xd8\x15\xbb\x61\x37\xec\x81\x3d\xb0\x27\xf6\xc4\x5e"
        "\xd8\x0b\x53\x30\x05\xfb\x62\x5f\xec\x87\xfd\x70\x00\x0e\xc0\x41\x38"
        "\x08\x07\xe3\x60\x1c\x82\x43\x70\x28\x0e\xc5\xe1\x38\x1c\x47\xe0\x08"
        "\x1c\x89\x23\x71\x14\x8e\xc6\x31\xf8\x36\x8e\xc5\x71\x38\x1e\x27\xe0"
        "\x44\x9c\x84\xa9\x98\x8a\x93\x71\x32\x4e\xc1\x29\x38\x15\xa7\xe2\x74"
        "\x9c\x8e\x69\x98\x86\xb3\x70\x16\xce\xc6\xd9\x38\x17\xe7\xe2\x3c\x9c"
        "\x87\xf3\x71\x3e\x2e\xc4\x85\x98\x8e\xe9\xb8\x18\x17\x63\x06\x66\xe0"
        "\x52\x5c\x8a\x99\x98\x89\xcb\x71\x39\xae\xc4\x95\xb8\x1a\x57\xe3\x5a"
        "\x5c\x8b\xeb\x71\x3d\x6e\xc4\x8d\xb8\x19\x37\xe3\x56\xdc\x8a\xdb\x70"
        "\x1b\xee\xc0\x1d\xb8\x0b\x77\xe1\x1e\xdc\x83\x7b\x71\x2f\xee\xc3\x7d"
        "\x98\x85\x59\xb8\x1f\xf7\xe3\x01\x3c\x80\x07\xf1\x20\x1e\xc2\x43\x78"
        "\x18\x0f\xe3\x11\x3c\x82\x47\xf1\x28\x1e\xc3\x63\x78\x1c\x8f\xc3\x49"
        "\x3c\x89\xa7\xf0\x14\x9e\xc6\xd3\x78\x16\xcf\xe2\x79\xfc\x19\x2f\xe0"
        "\x45\xbc\x84\x1e\x63\x6c\x1e\x1b\x6b\xaf\xb1\x71\xf6\x5a\x9b\xd7\xe6"
        "\xb3\x31\x36\x4f\xf6\x9b\xf5\x4f\x71\x21\x5b\xd8\x26\xd8\x22\xb6\xa8"
        "\x35\xb6\x80\x2d\xf8\x17\x31\x5a\x6b\x13\x6d\x49\x5b\xca\x96\xb6\xce"
        "\x96\xb1\x49\xf6\xe6\xdf\xc5\x15\x6d\x25\x5b\xd9\x56\xb1\x77\xd8\xaa"
        "\xf6\x4e\x5b\xed\x77\x71\x1d\x7b\xaf\xad\x6b\xef\xb3\xf5\xec\xfd\xb6"
        "\xb6\xbd\xe7\x2f\xe2\xfa\xf6\x01\xdb\xc0\x3e\x6a\x1b\xda\xc7\x6c\x23"
        "\xdb\xdc\x36\xb6\x2d\x6d\x13\xfb\xa8\x6d\x6a\x1f\xb3\xcd\x6c\x73\xdb"
        "\xc2\xb6\xb4\xed\xed\x53\xb6\x83\x7d\xda\x26\xdb\x67\x6c\x47\xfb\xec"
        "\xef\xe2\xc5\x76\x89\x5d\x6b\xd7\xd9\xf5\x76\x83\xdd\x6b\x3f\xb7\x67"
        "\xed\x39\x7b\xc4\x7e\x67\xcf\xdb\x9f\x6d\x2f\xdb\xdb\x0e\xb2\xaf\xda"
        "\xc1\xf6\x35\x3b\xc4\xbe\x6e\x87\xda\x61\xbf\x8b\xc7\xd8\xb7\xed\x58"
        "\x3b\xce\x8e\xb7\x13\xec\x44\x3b\xe9\x77\xf1\x74\x3b\xc3\xa6\xd9\x99"
        "\x76\x96\x7d\xdf\xce\xb6\x73\x7e\x17\xa7\xdb\x8f\xec\x3c\x9b\x61\xe7"
        "\xdb\x05\x76\xa1\x5d\xf4\x4b\x9c\x3d\xa7\x0c\xfb\xb1\x5d\x6a\x3f\xb1"
        "\x99\x76\x99\x5d\x6e\x57\xd8\x95\x76\x95\x5d\x6d\xd7\xfc\x69\xae\x2b"
        "\xec\x26\xbb\xd9\x6e\xb1\x7b\xec\x67\x76\x9b\xdd\x6e\x77\xd8\x9d\x76"
        "\x97\xdd\xfd\x4b\x9c\x7d\x1c\xfb\xec\x17\x36\xcb\x7e\x69\x0f\xdb\x6f"
        "\xed\x01\xfb\x95\x3d\x68\x8f\xda\x43\xf6\x9b\x5f\xe2\xec\xe3\x3b\x6a"
        "\xbf\xb7\xc7\xec\x0f\xf6\xb8\x3d\x61\x4f\xda\x1f\xed\x29\xfb\x93\x3d"
        "\x6d\xcf\xfc\x72\xfc\xd9\xc7\xfe\xa3\xbd\x68\x2f\x59\x6f\x05\x01\x49"
        "\x52\xa4\x29\xa0\x5c\x94\x9b\x62\x28\x0f\xc5\xd2\x35\x14\x47\xd7\x52"
        "\x5e\xca\x47\x11\xba\x8e\xe2\xe9\x7a\xca\x4f\x37\x50\x01\x2a\x48\x85"
        "\xa8\x30\x25\x50\x11\x2a\x4a\x86\x90\x2c\x11\x85\x54\x8c\x8a\x53\x94"
        "\x6e\xa4\x12\x74\x13\x25\x52\x49\x2a\x45\xa5\xc9\x51\x19\x4a\xa2\x9b"
        "\xa9\x2c\xdd\x42\xe5\xe8\x56\x2a\x4f\xb7\x51\x05\xba\x9d\x2a\x52\x25"
        "\xaa\x4c\x55\xe8\x0e\xaa\x4a\x77\x52\x35\xba\x8b\xaa\xd3\xdd\x54\x83"
        "\x6a\x52\x2d\xaa\x4d\xf7\x50\x1d\xba\x97\xea\xd2\x7d\x54\x8f\xee\xa7"
        "\xfa\xf4\x00\x35\xa0\x07\xa9\x21\x3d\x44\x8d\xe8\x61\x6a\x4c\x8f\x50"
        "\x13\x7a\x94\x9a\xd2\x63\xd4\x8c\x9a\x53\x0b\x6a\x49\xad\xe8\x71\x6a"
        "\x4d\x4f\x50\x1b\x6a\x4b\xed\xe8\x49\x6a\x4f\x4f\x51\x07\x7a\x9a\x92"
        "\xe9\x19\xea\x48\xcf\x52\x27\x7a\x8e\x3a\xd3\xf3\xd4\x85\x5e\xa0\xae"
        "\xf4\x22\x75\xa3\xee\xd4\x83\x5e\xa2\x9e\xf4\x32\xf5\xa2\xde\x94\x42"
        "\x7d\xa8\x2f\xbd\x42\xfd\xa8\x3f\x0d\xa0\x81\x34\x88\x5e\xa5\xc1\xf4"
        "\x1a\x0d\xa1\xd7\x69\x28\x0d\xa3\xe1\xf4\x06\x8d\xa0\x37\x69\x24\xbd"
        "\x45\xa3\x68\x34\x8d\xa1\xb7\x69\x2c\x8d\xa3\xf1\x34\x81\x26\xd2\x24"
        "\x4a\xa5\x77\x68\x32\xbd\x4b\x53\xe8\x3d\x9a\x4a\xd3\x68\x3a\xcd\xa0"
        "\x34\x9a\x49\xb3\xe8\x7d\x9a\x4d\x73\x68\x2e\x7d\x40\xf3\xe8\x43\x9a"
        "\x4f\x0b\x68\x21\x2d\xa2\x74\xfa\x88\x16\xd3\x12\xca\xa0\x8f\x69\x29"
        "\x7d\x42\x99\xb4\x8c\x96\xd3\x0a\x5a\x49\xab\x68\x35\xad\xa1\xb5\xb4"
        "\x8e\xd6\xd3\x06\xda\x48\x9b\x68\x33\x6d\xa1\xad\xf4\x29\x6d\xa3\xed"
        "\xb4\x83\x76\xd2\x2e\xda\x4d\x7b\xe8\x33\xda\x4b\x9f\xd3\x3e\xfa\x82"
        "\xb2\xe8\x4b\xda\x4f\x7f\xa0\x03\xf4\x15\x1d\xa4\xaf\xe9\x10\x7d\x43"
        "\x87\xe9\x5b\x3a\x42\xdf\xd1\x51\xfa\x9e\x8e\xd1\x0f\x74\x9c\x4e\xd0"
        "\x49\xfa\x91\x4e\xd1\x4f\x74\x9a\xce\xd0\x59\x3a\x47\xe7\xe9\x67\xba"
        "\x40\x17\xe9\x12\x79\x12\x21\x84\x32\x54\xa1\x0e\x83\x30\x57\x98\x3b"
        "\x8c\x09\xf3\x84\xb1\xe1\x35\x61\x5c\x78\x6d\x98\x37\xcc\x17\x46\xc2"
        "\xeb\xc2\xf8\xf0\xfa\x30\x7f\x78\x43\x58\x20\x2c\x18\x16\x0a\x0b\x87"
        "\x09\x61\x91\xb0\x68\x68\x42\x0c\x6d\x48\x61\x18\x16\x0b\x8b\x87\xd1"
        "\xf0\xc6\xb0\x44\x78\x53\x98\x18\x96\x0c\x4b\x85\xa5\x43\x17\x96\x09"
        "\x93\xc2\x9b\xc3\xb2\xe1\x2d\x61\xb9\xf0\xd6\xb0\x7c\x78\x5b\x58\x21"
        "\xbc\x3d\xac\x18\x56\x0a\x2b\x87\x55\xc2\x3b\xc2\xaa\xe1\x9d\x61\xb5"
        "\xf0\xae\xb0\x7a\x78\x77\x58\x23\xac\x19\xd6\x0a\x6b\x87\xf7\x84\x75"
        "\xc2\x7b\xc3\xba\xe1\x7d\x61\xbd\xf0\xfe\xb0\x5c\xf8\x40\xd8\x20\x7c"
        "\x30\x6c\x18\x3e\x14\x36\x0a\x1f\x0e\x1b\x87\x8f\x84\x4d\xc2\x47\xc3"
        "\xa6\xe1\x63\x61\xb3\xb0\x79\xd8\x22\x6c\x19\xb6\x0a\x1f\x0f\x5b\x87"
        "\x4f\x84\x6d\xc2\xb6\x61\xbb\xf0\xc9\xb0\x7d\xf8\x54\xd8\x21\x7c\x3a"
        "\x4c\x0e\x9f\x09\x3b\x86\xcf\x5e\x71\x7d\x4a\xd8\x27\xec\x1b\xbe\x12"
        "\xbe\x12\x7a\x7f\x9f\x5a\x18\x5d\x14\x4d\x8f\x7e\x14\x5d\x1c\x5d\x12"
        "\xcd\x88\x7e\x1c\x5d\x1a\xfd\x24\x9a\x19\x5d\x16\x5d\x1e\x5d\x11\x5d"
        "\x19\x5d\x15\x5d\x1d\x5d\x13\x5d\x1b\x5d\x17\x5d\x1f\xdd\x10\xdd\x18"
        "\xdd\x14\xdd\x1c\xdd\x12\xf5\xbe\x76\x6e\xe1\xc0\x49\xa7\x9c\x76\x81"
        "\xcb\xe5\x72\xbb\x18\x97\xc7\xc5\xba\x6b\x5c\x9c\xbb\xd6\xe5\x75\xf9"
        "\x5c\xc4\x5d\xe7\xe2\xdd\xf5\x2e\xbf\xbb\xc1\x15\x70\x05\x5d\x21\x57"
        "\xd8\x25\xb8\x22\xae\xa8\x33\x0e\x9d\x75\xe4\x42\x57\xcc\x15\x77\x51"
        "\x77\xa3\x2b\xe1\x6e\x72\x89\xae\xa4\x2b\xe5\x4a\x3b\xe7\xca\xb8\x24"
        "\xd7\xd2\xb5\x72\xad\x5c\x6b\xf7\x84\x6b\xe3\xda\xba\x76\xee\x49\xf7"
        "\xa4\x7b\xca\x3d\xe5\x9e\x76\x4f\xbb\x67\x5c\x47\xf7\xac\xeb\xe4\x9e"
        "\x73\x9d\xdd\xf3\xae\x8b\x7b\xc1\xbd\xe0\x5e\x74\xdd\x5c\x77\xd7\xc3"
        "\xbd\xe4\x7a\xba\x97\x5d\x2f\xd7\xdb\xa5\xb8\x14\xd7\xd7\xf5\x75\xfd"
        "\x5c\x3f\x37\xc0\x0d\x70\x83\xdc\x20\x37\xd8\x0d\x76\x43\xdc\x10\x37"
        "\xd4\x0d\x75\xc3\xdd\x70\x37\xc2\x8d\x70\x23\xdd\x48\x37\xca\x8d\x72"
        "\x63\xdc\x18\x37\xd6\x8d\x75\xe3\xdd\x78\x37\xd1\x4d\x74\xa9\x2e\xd5"
        "\x4d\x76\x93\xdd\x14\x37\xc5\x4d\x75\x53\xdd\x74\x37\xdd\xa5\xb9\x34"
        "\x37\xcb\xcd\x72\xb3\xdd\x6c\x37\xd7\xcd\x75\xf3\xdc\x3c\x37\xdf\xcd"
        "\x77\x0b\xdd\x42\x97\xee\xd2\xdd\x62\xb7\xd8\x65\xb8\x0c\xb7\xd4\x2d"
        "\x75\x99\x2e\xd3\x2d\x77\xcb\xdd\x4a\xb7\xd2\xad\x76\xab\xdd\x5a\xb7"
        "\xd6\xad\x77\xeb\xdd\x46\xb7\xd1\x6d\x76\x9b\xdd\x56\xb7\xd5\x6d\x73"
        "\xdb\xdc\x0e\xb7\xc3\xed\x72\xbb\xdc\x1e\xb7\xc7\xed\x75\x7b\xdd\x3e"
        "\xb7\xcf\x65\xb9\x2c\xb7\xdf\xed\x77\x07\xdc\x01\x77\xd0\x7d\xed\x0e"
        "\xb9\x6f\xdc\x61\xf7\xad\x3b\xe2\xbe\x73\x47\xdd\xf7\xee\x98\xfb\xc1"
        "\x1d\x77\x27\xdc\x49\xf7\xa3\x3b\xe5\x7e\x72\xa7\xdd\x19\x77\xd6\x9d"
        "\x73\xe7\xdd\xcf\xee\x82\xbb\xe8\x2e\x39\xef\x52\x23\xef\x44\x26\x47"
        "\xde\x8d\x4c\x89\xbc\x17\x99\x1a\x99\x16\x99\x1e\x99\x11\x49\x8b\xcc"
        "\x8c\xcc\x8a\xbc\x1f\x99\x1d\x99\x13\x99\x1b\xf9\x20\x32\x2f\xf2\x61"
        "\x64\x7e\x64\x41\x64\x61\x64\x51\x24\x3d\xf2\x51\x64\x71\x64\x49\x24"
        "\x23\xf2\x71\x64\x69\xe4\x93\x48\x66\x64\x59\x64\x79\x64\x45\x64\x65"
        "\x64\x55\xc4\xfb\x22\xdb\x42\x5f\xcc\x17\xf7\x51\x7f\xa3\x2f\xe1\x6f"
        "\xf2\x89\xbe\xa4\x2f\xe5\x4b\x7b\xe7\xcb\xf8\x24\x7f\xb3\x2f\xeb\x6f"
        "\xf1\xe5\xfc\xad\xbe\xbc\xbf\xcd\x57\xf0\xb7\xfb\x8a\xbe\x92\xaf\xec"
        "\x1f\xf3\xcd\x7c\x73\xdf\xc2\xb7\xf4\xad\xfc\xe3\xbe\xb5\x7f\xc2\xb7"
        "\xf1\x6d\x7d\x3b\xff\xa4\x6f\xef\x9f\xf2\x1d\xfc\xd3\x3e\xd9\x3f\xe3"
        "\x3b\xfa\x67\x7d\x27\xff\x9c\xef\xec\x9f\xf7\x5d\xfc\x0b\xbe\xab\x7f"
        "\xd1\x77\xf3\xdd\x7d\x0f\xff\x92\xef\xe9\x5f\xf6\xbd\x7c\x6f\x9f\xe2"
        "\xfb\xf8\xbe\xfe\x15\xdf\xcf\xf7\xf7\x03\xfc\x40\x3f\xc8\xbf\xea\x07"
        "\xfb\xd7\xfc\x10\xff\xba\x1f\xea\x87\xf9\xe1\xfe\x0d\x3f\xc2\xbf\xe9"
        "\x47\xfa\xb7\xfc\x28\x3f\xda\x8f\xf1\x6f\xfb\xb1\x7e\x9c\x1f\xef\x27"
        "\xf8\x89\x7e\x92\x4f\xf5\xef\xf8\xc9\xfe\x5d\x3f\xc5\xbf\xe7\xa7\xfa"
        "\x69\x7e\xba\x9f\xe1\xd3\xfc\x4c\x3f\xcb\xbf\xef\x67\xfb\x39\x7e\xae"
        "\xff\xc0\xcf\xf3\x1f\xfa\xf9\x7e\x81\x5f\xe8\x17\xf9\x74\xff\x91\x5f"
        "\xec\x97\xf8\x0c\xff\xb1\x5f\xea\x3f\xf1\x99\x7e\x99\x5f\xee\x57\xf8"
        "\x95\x7e\x95\x5f\xed\xd7\xf8\xb5\x7e\x9d\x5f\xef\x37\xf8\x8d\x7e\x93"
        "\xdf\xec\xb7\xf8\xad\xfe\x53\xbf\xcd\x6f\xf7\x3b\xfc\x4e\xbf\xcb\xef"
        "\xf6\x7b\xfc\x67\x7e\xaf\xff\xdc\xef\xf3\x5f\xf8\x2c\xff\xa5\xdf\xef"
        "\xff\xe0\x0f\xf8\xaf\xfc\x41\xff\xb5\x3f\xe4\xbf\xf1\x87\xfd\xb7\xfe"
        "\x88\xff\xce\x1f\xf5\xdf\xfb\x63\xfe\x07\x7f\xdc\x9f\xf0\x27\xfd\x8f"
        "\xfe\x94\xff\xc9\x9f\xf6\x67\xfc\x59\x7f\xce\x9f\xf7\x3f\xfb\x0b\xfe"
        "\xa2\xbf\xc4\x7f\xb3\xc6\x18\x63\x8c\x31\xf6\x37\x51\x57\x58\xdf\xe7"
        "\xbf\xc9\x91\x7f\x1c\xf7\x15\x42\x5c\xbb\xbd\xf0\xa1\xff\xba\x7e\x63"
        "\x81\x5f\xc7\xfd\x73\x27\xb4\x8f\x08\x21\x9e\xe9\xdd\xf5\xe1\xdf\x96"
        "\x1a\x35\x52\x52\x52\xfe\xb8\x6d\xa6\x12\x41\xf1\x05\x42\x88\xc8\xe5"
        "\xfc\x5c\xe2\x72\xbc\x4c\xb4\x13\x4f\x89\x64\xd1\x56\x94\xfd\xd3\xfa"
        "\x98\x3f\xdb\x57\x7f\xd9\xfd\x3c\x5d\xa1\x7e\xf4\x36\x21\x62\xff\x2c"
        "\x27\x3b\xff\xb7\xf8\x72\xfd\x5b\xfe\xea\xf1\xf7\x97\xe3\xe6\x5d\xb1"
        "\xfe\x02\x21\x12\x8b\x5f\xce\xc9\x23\x2e\xc7\x97\xeb\x97\xfb\x6f\xea"
        "\x17\x6c\x7d\x85\xfa\x79\xbe\x4a\x15\xa2\xcd\x9f\xe5\xc4\x89\xcb\xf1"
        "\xe5\xfa\x49\xe2\x09\xf1\xac\x48\xfe\x8b\x2d\x19\x63\x8c\x31\xc6\x18"
        "\x63\x8c\xb1\x5f\xf5\x97\x95\x3b\x5f\xe9\xfa\x36\xfb\xfa\x3c\x41\x5f"
        "\xce\xc9\x2d\x2e\xc7\x7f\xed\xfa\x9c\x31\xc6\x18\x63\x8c\x31\xc6\x18"
        "\x63\xff\xb7\x3c\xdf\xbd\xc7\xd3\x8f\x27\x27\xb7\xed\xfc\x0f\x0c\xf4"
        "\x3f\x94\x95\xe3\x06\x3e\xdf\xaf\x4f\xf5\xff\x95\xf9\xf0\xe0\xdf\x78"
        "\xe0\xff\xd7\xf6\x75\xb5\x7f\x32\x31\xc6\x18\x63\x8c\x31\xc6\xfe\xd5"
        "\x2e\x9f\xf4\x5f\xed\x99\x30\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18"
        "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x39\xd7\xff\xc6\xbf\x13"
        "\xfb\x6d\x5f\x57\xfa\xae\x41\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18"
        "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c"
        "\x31\xc6\x18\x63\xec\x3f\xd5\xff\x0b\x00\x00\xff\xff\x36\x64\x3b\xe2",
        5389);
    syz_mount_image(/*fs=*/0x200000001500, /*dir=*/0x200000000040, /*flags=*/0,
                    /*opts=*/0x200000000400, /*chdir=*/1, /*size=*/0x150d,
                    /*img=*/0x200000003fc0);
    break;
  case 1:
    memcpy((void*)0x2000000000c0, "devices.list\000", 13);
    res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x2000000000c0ul,
                  /*flags=*/0x275a, /*mode=*/0);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    memcpy((void*)0x200000000280, "./file2\000", 8);
    syz_mount_image(/*fs=*/0, /*dir=*/0x200000000280,
                    /*flags=MS_SILENT|MS_NOSUID*/ 0x8002, /*opts=*/0,
                    /*chdir=*/0, /*size=*/0, /*img=*/0);
    break;
  case 3:
    *(uint32_t*)0x200000000080 = 0;
    *(uint32_t*)0x200000000084 = r[0];
    *(uint64_t*)0x200000000088 = 0;
    *(uint64_t*)0x200000000090 = 0;
    *(uint64_t*)0x200000000098 = 0;
    *(uint64_t*)0x2000000000a0 = 0;
    syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x8004587d,
            /*arg=*/0x200000000080ul);
    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;
  if ((reason = setup_802154()))
    printf("the reproducer may not work as expected: 802154 injection setup "
           "failed: %s\n",
           reason);
  for (procid = 0; procid < 5; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}