// 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 unsigned int queue_count = 2;

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_attr(nlmsg, IFLA_NUM_TX_QUEUES, &queue_count, sizeof(queue_count));
  netlink_attr(nlmsg, IFLA_NUM_RX_QUEUES, &queue_count, sizeof(queue_count));
  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");
  } else if (strncmp(fs, "gfs2", 4) == 0 &&
             (strstr(opts, "errors=panic") || strstr(opts, "debug"))) {
    strcat(opts, ",errors=withdraw");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

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

#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:
    //  syz_mount_image$exfat arguments: [
    //    fs: ptr[in, buffer] {
    //      buffer: {65 78 66 61 74 00} (length 0x6)
    //    }
    //    dir: ptr[in, buffer] {
    //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
    //    }
    //    flags: mount_flags = 0x10 (8 bytes)
    //    opts: ptr[inout, array[ANYUNION]] {
    //      array[ANYUNION] {
    //        union ANYUNION {
    //          ANYBLOB: buffer: {75 74 66 38 2c 75 74 66 38 2c 69 6f 63 68 61
    //          72 73 65 74 3d 63 70 38 36 32 2c 69 6f 63 68 61 72 73 65 74 3d
    //          63 70 38 36 34 2c 64 69 73 63 61 72 64 2c 65 72 72 6f 72 73 3d
    //          72 65 6d 6f 75 6e 74 2d 72 6f 2c 66 6d 61 73 6b 3d 30 30 30 30
    //          30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 37 37 37 37 2c 67
    //          69 64 3d} (length 0x66)
    //        }
    //        union ANYUNION {
    //          ANYRESHEX: ANYRES64 (resource)
    //        }
    //        union ANYUNION {
    //          ANYBLOB: buffer: {2c 75 74 66 38 2c 61 6c 6c 6f 77 5f 75 74 69
    //          6d 65 3d 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 31
    //          2c 61 6c 6c 6f 77 5f 75 74 69 6d 65 3d 30 30 30 30 30 30 30 30
    //          30 30 30 30 30 30 30 30 30 30 30 33 37 37 37 2c 00 02 e5 cc 2c
    //          36 40 db 32 59 4e 71 db} (length 0x56)
    //        }
    //      }
    //    }
    //    chdir: int8 = 0x1 (1 bytes)
    //    size: len = 0x1526 (8 bytes)
    //    img: ptr[in, buffer] {
    //      buffer: (compressed buffer with length 0x1527)
    //    }
    //  ]
    //  returns fd_dir
    memcpy((void*)0x200000000540, "exfat\000", 6);
    memcpy((void*)0x200000000040, "./file1\000", 8);
    memcpy((void*)0x200000000300,
           "utf8,utf8,iocharset=cp862,iocharset=cp864,discard,errors=remount-"
           "ro,fmask=00000000000000000007777,gid=",
           102);
    sprintf((char*)0x200000000366, "0x%016llx", (long long)0);
    memcpy((void*)0x200000000378,
           "\x2c\x75\x74\x66\x38\x2c\x61\x6c\x6c\x6f\x77\x5f\x75\x74\x69\x6d"
           "\x65\x3d\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30"
           "\x30\x30\x30\x31\x2c\x61\x6c\x6c\x6f\x77\x5f\x75\x74\x69\x6d\x65"
           "\x3d\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30"
           "\x30\x30\x30\x30\x33\x37\x37\x37\x2c\x00\x02\xe5\xcc\x2c\x36\x40"
           "\xdb\x32\x59\x4e\x71\xdb",
           86);
    memcpy(
        (void*)0x200000003f80,
        "\x78\x9c\xec\xdc\x0b\xbc\x4d\x55\xd7\x30\xf0\x31\xe6\x9c\x8b\x43\xd2"
        "\x4e\x72\x39\xac\x31\xc7\x62\xa7\x83\x49\x92\xe4\x92\x90\x4b\x92\x24"
        "\x49\x92\x5b\x42\x92\x24\x49\x48\x6e\xb9\x25\x21\x09\xb9\x27\xb9\x27"
        "\x9d\xdc\x3a\x4e\x3a\xee\xf7\xfb\x35\xe9\xe4\x95\x24\x49\x48\x48\x32"
        "\xbf\xdf\xe9\xf2\x78\x7a\xfb\xfa\x3c\xef\xfb\x3c\xdf\xe7\xf9\xde\x33"
        "\xfe\xbf\xdf\xb2\xe7\xb0\xf6\x18\x7b\xce\x3d\xce\xda\x7b\xed\x75\x2e"
        "\xdf\x74\x19\x5e\xa3\x51\xcd\xaa\x0d\x98\x19\xfe\x19\xea\xb7\xdb\xde"
        "\x00\x90\x00\x00\x83\x00\xe0\x1a\x00\x08\x00\xa0\x4c\xae\x32\xb9\x00"
        "\x01\xb2\x69\xec\xfd\x4f\x3d\x88\xf8\x17\x7b\x70\xd6\x95\x9e\x81\xb8"
        "\x92\xa4\xff\x99\x9b\xf4\x3f\x73\x93\xfe\x67\x6e\xd2\xff\xcc\x4d\xfa"
        "\x9f\xb9\x49\xff\x33\x37\xe9\x7f\xe6\x26\xfd\x17\x22\x33\xdb\x3a\x3b"
        "\xff\xb5\xb2\x65\xde\xed\x9b\x2e\xc3\x6b\x2c\xfb\x87\xae\xff\xdb\xff"
        "\xf3\x6e\xfc\xf5\x46\xae\xff\xff\x3b\xc9\x76\x99\xfd\xf2\xfe\xff\x3f"
        "\xd6\x3f\x74\xa4\x49\xff\x33\x37\xe9\x7f\xe6\x26\xfd\xcf\xdc\xa4\xff"
        "\x99\x9b\xf4\x3f\x73\x93\xfe\x67\x6e\xd2\xff\xcc\x4d\xfa\x2f\x44\x66"
        "\x76\xa5\xaf\x3f\xff\x7f\xb0\xfd\xfe\x54\x5d\xe9\x79\x5c\x66\x0b\xfe"
        "\x5b\x79\x57\xf6\xab\x4f\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08"
        "\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84"
        "\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42"
        "\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21"
        "\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10"
        "\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08"
        "\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84"
        "\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x44\x66\x71"
        "\xce\x5f\x62\x00\xe0\xf7\xf1\x95\x9e\x97\x10\x42\x08\x21\x84\x10\x42"
        "\x08\x21\xfe\x75\x7c\xd6\x2b\x3d\x03\x21\x84\x10\x42\x08\x21\x84\x10"
        "\x42\xfc\xdf\x87\x00\x46\x83\x81\x00\xb2\x40\x56\x48\x80\x6c\x90\x1d"
        "\xae\x82\x1c\x70\x35\xe4\x84\x6b\x20\x06\xd7\x42\x2e\xb8\x0e\x72\xc3"
        "\xf5\x90\x07\xf2\x42\x3e\xc8\x0f\x89\x50\x00\x0a\x42\x08\x04\x16\x18"
        "\x22\x28\x04\x85\x21\x0e\xde\x03\xdc\x08\x49\x50\x14\x8a\x41\x71\x70"
        "\x50\x02\x4a\xc2\x4d\x50\x0a\x6e\x86\xd2\x70\x0b\x94\x81\xe4\x14\x80"
        "\xdb\xa0\x1c\x94\x87\x0a\x50\x11\x6e\x87\x4a\x70\x07\x54\x86\x2a\x50"
        "\x15\xee\x84\x6a\x50\x1d\x6a\x40\x4d\xb8\x0b\x6a\xc1\xdd\x50\x1b\xee"
        "\x81\x3a\x70\x2f\xd4\x85\xfb\xa0\x1e\xdc\x0f\xf5\xe1\x01\x68\x00\x0f"
        "\x42\x43\x78\x08\x1a\xc1\xc3\xd0\x18\x1e\x81\x26\xd0\x14\x9a\x41\x73"
        "\x68\xf1\xdf\xca\x7f\x01\x7a\xc0\x8b\xd0\x13\x7a\x41\x6f\xe8\x03\x7d"
        "\xe1\x25\xe8\x07\xfd\x61\x00\x0c\x84\x41\xf0\x32\x0c\x86\x57\x60\x08"
        "\xbc\x0a\x43\x61\x18\x0c\x87\xd7\x60\x04\xbc\x0e\x23\xe1\x0d\x18\x05"
        "\xa3\x61\x0c\xbc\x09\x63\x61\x1c\x8c\x87\x09\x30\x11\x26\xc1\x64\x78"
        "\x0b\xa6\xc0\xdb\x30\x15\xde\x81\x69\x30\x1d\x66\xc0\x4c\x98\x05\xb3"
        "\x61\x0e\xbc\x0b\x73\xe1\x3d\x98\x07\xef\x43\x32\x02\xcc\x87\x05\xb0"
        "\x10\x16\xc1\x62\xf8\x10\x52\x60\x09\xa4\xc2\x47\xb0\x14\x3e\x86\x34"
        "\x58\x06\xcb\x61\x05\xac\x84\x55\xb0\x1a\xd6\xc0\x5a\x58\x07\xeb\x61"
        "\x03\x6c\x84\x4d\xb0\x19\xb6\xc0\x56\xd8\x06\xdb\x61\x07\xec\x84\x5d"
        "\xb0\x1b\xf6\x54\xd9\x0b\x9f\xc0\x3e\xf8\x14\xf6\xc3\x67\x90\x0e\x9f"
        "\xff\x17\xf3\xcf\xc2\x1f\xf3\xbb\x22\x20\xa0\x42\x85\x06\x0d\x66\xc1"
        "\x2c\x98\x80\x09\x98\x1d\xb3\x63\x0e\xcc\x81\x39\x31\x27\xc6\x30\x86"
        "\xb9\x30\x17\xe6\xc6\xdc\x98\x07\xf3\x60\x3e\xcc\x87\x89\x98\x88\x05"
        "\xb1\x20\x12\x12\x32\x32\x16\xc2\x42\x18\xc7\x38\x16\xc1\x22\x98\x84"
        "\x49\x58\x0c\x8b\xa1\x43\x87\x25\xb1\x24\x96\xc2\x9b\xb1\x34\x96\xc6"
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        "\x7d\x6c\x80\x0d\xb0\x21\x36\xc4\x46\xd8\x08\x1b\x63\x63\x6c\x82\x4d"
        "\xb0\x19\x36\xc3\x16\xd8\x02\x5b\x62\x4b\x6c\x85\xad\xb0\x0d\xb6\xc1"
        "\xb6\xd8\x16\xdb\x61\x3b\x6c\x8f\xed\xb1\x03\x76\xc0\x8e\xd8\x11\x3b"
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        "\xb5\x3a\xaa\xbe\x51\xc7\xd4\xb7\xea\xb8\xea\xa5\x4e\xa8\x93\xea\x94"
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        "\xd5\x74\x75\x5d\x43\xd7\xd4\x77\xe9\x5a\xfa\x6e\x5d\x5b\xdf\xa3\xeb"
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        "\xfa\xa2\xf6\xba\xa7\xee\xa5\x7b\xeb\x3e\xba\xaf\x7e\x49\xf7\xd3\xfd"
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        "\x1e\xf0\x5b\xa5\x79\xff\x40\xfe\xdb\x7f\xc8\x9f\xa9\x33\xf2\x87\xfc"
        "\xf2\xe8\x5b\xf4\x56\xbd\x4d\x6f\xd7\x3b\xf4\x4e\xbd\x4b\xef\xd6\x7b"
        "\xf4\x5e\xbd\x57\xef\xd3\xfb\xf4\x7e\xbd\x5f\xa7\xeb\x74\x7d\x40\x1f"
        "\xd0\x07\xf5\x41\x7d\x48\x1f\xd2\x87\xf5\x61\x7d\x44\x1f\xd1\x47\xf5"
        "\x51\x7d\x4c\x1f\xd3\xc7\xf5\x71\x7d\x42\x9f\xd4\x3f\xea\xef\xf5\x69"
        "\xfd\x83\x3e\xa3\xcf\xea\xb3\xfa\x47\x7d\x5e\x9f\xd7\x17\x7e\x7b\x0e"
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        "\x32\x39\xcc\xd5\x26\xa7\xb9\xc6\xc4\xcc\xb5\x26\x97\xb9\xce\xe4\x36"
        "\xd7\x9b\x3c\x26\xaf\xc9\x67\xf2\x9b\x44\x53\xc0\x14\x34\xa1\x21\x63"
        "\x0d\x9b\xc8\x14\x32\x85\x4d\xdc\xdc\x60\x8a\x98\x1b\x4d\x92\x29\x6a"
        "\x8a\x99\xe2\xc6\x99\x12\xa6\xa4\xb9\xc9\xc4\x0c\xc2\x3f\x93\xff\x17"
        "\xf3\x5b\x31\xe3\xd7\x63\xda\xb4\x30\x2d\x4c\x4b\xd3\xd2\xb4\x32\xad"
        "\x4c\x1b\xd3\xc6\xb4\x35\x6d\x4d\x3b\xd3\xce\xb4\x37\xed\x4d\x07\xd3"
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        "\x5d\x4d\x77\xd3\xdd\xf4\x30\x3d\x4c\x4f\x04\xd3\xdb\xf4\x36\x7d\xcd"
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        "\x94\xc9\xd8\x39\xd6\x8c\x35\xe3\xcd\x78\x33\xd1\x4c\x34\x93\xcd\x64"
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        "\xdf\x2c\x34\x0b\xcd\x62\xb3\xd8\xa4\x98\x14\x93\x6a\x52\xcd\x52\xb3"
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        "\x75\x66\x9d\xd9\x60\x36\x98\x4d\x66\x93\x49\x33\x5b\xcd\x56\xb3\xdd"
        "\x6c\x37\x3b\xcd\x4e\xb3\xdb\xec\x36\x7b\xcd\x5e\xb3\xcf\xec\x33\xfb"
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        "\x36\x87\xcd\x11\x73\xc4\x1c\x35\x47\xcd\x31\x73\xcc\x1c\x37\xc7\xcd"
        "\x09\x73\xc2\x9c\x32\xa7\xcc\x69\x73\xda\x9c\x31\x67\xcc\x39\x73\xce"
        "\x9c\x37\xe7\xcd\x05\x73\xc1\x5c\x34\x17\x33\x4e\xfb\x02\x15\xa8\xc0"
        "\x04\x26\xc8\x12\x64\x09\x12\x82\x84\x20\x7b\x90\x3d\xc8\x11\xe4\x08"
        "\x72\x06\x39\x83\x58\x10\x0b\x72\x05\xb9\x82\xdc\xc1\xf5\x41\x9e\x20"
        "\x6f\x90\x2f\xc8\x1f\x24\x06\x05\x82\x82\x41\x18\x50\x60\x03\x0e\xa2"
        "\xa0\x50\x50\x38\x88\x07\x37\x04\x45\x82\x1b\x83\xa4\xa0\x68\x50\x2c"
        "\x28\x1e\xb8\xa0\x44\x50\x32\xb8\x29\x28\x15\xdc\x1c\x94\x0e\x6e\x09"
        "\xca\x04\xb7\x06\x65\x83\xdb\x82\x72\x41\xf9\xa0\x42\x50\x31\xb8\x3d"
        "\xa8\x14\xdc\x11\x54\x0e\xaa\x04\x55\x83\x3b\x83\x6a\x41\xf5\xa0\x46"
        "\x50\x33\xb8\x2b\xa8\x15\xdc\x1d\xd4\x0e\xee\x09\xea\x04\xf7\x06\x75"
        "\x83\xfb\x82\x7a\xc1\xfd\x41\xfd\xe0\x81\xa0\x41\xf0\x60\xd0\x30\x78"
        "\x28\x68\x14\x3c\x1c\x34\x0e\x1e\x09\x9a\x04\x4d\x83\x66\x41\xf3\xa0"
        "\xc5\xbf\xb4\xbe\xf7\x67\xf2\x3e\xe6\x7a\x86\xbd\xc2\xac\xd0\x27\xec"
        "\x1b\xbe\x14\xf6\x0b\xfb\x87\x03\xc2\x81\xe1\xa0\xf0\xe5\x70\x70\xf8"
        "\x4a\x38\x24\x7c\x35\x1c\x1a\x0e\x0b\x87\x87\xaf\x85\x23\xc2\xd7\xc3"
        "\x91\xe1\x1b\xe1\xa8\x70\x74\x38\x26\x7c\x33\x1c\x1b\x8e\x0b\xc7\x87"
        "\x13\xc2\x89\xe1\xa4\x70\x72\xf8\x56\x38\x25\x7c\x3b\x9c\x1a\xbe\x13"
        "\x4e\x0b\xa7\x87\x33\xc2\x99\xe1\xac\x70\x76\x38\x27\x7c\x37\x9c\x1b"
        "\xbe\x17\xce\x0b\xdf\x0f\x93\xc3\x0f\xc2\xf9\xe1\x82\x70\x61\xb8\x28"
        "\x5c\x1c\x7e\x18\xa6\x84\x4b\xc2\xd4\xf0\xa3\x70\x69\xf8\x71\x98\x16"
        "\x2e\x0b\x97\x87\x2b\xc2\x95\xe1\xaa\x70\x75\xb8\x26\x5c\x1b\xae\x0b"
        "\xd7\x87\x1b\xc2\x8d\xe1\xa6\x70\x73\xb8\x25\xdc\x1a\x6e\x0b\xb7\x87"
        "\x3b\xc2\x9d\xe1\xae\x70\x77\xb8\x27\xdc\x1b\x7e\x12\xee\x0b\x3f\x0d"
        "\xf7\x87\x9f\x85\xe9\xe1\xe7\xe1\x81\xf0\xf7\xb7\xbd\x2f\xc3\xc3\xe1"
        "\x57\xe1\x91\xf0\xeb\xf0\x68\xf8\x4d\x78\x2c\xfc\x36\x3c\x1e\x7e\x17"
        "\x9e\x08\x4f\x86\xa7\xc2\xef\xc3\xd3\xe1\x0f\xe1\x99\xf0\x6c\x78\x2e"
        "\xfc\x31\x3c\x1f\xfe\x14\x5e\x08\x7f\x0e\x2f\x86\x3e\xe3\xe4\x3e\xe3"
        "\xed\x9d\x0c\x19\xca\x42\x59\x28\x81\x12\x28\x3b\x65\xa7\x1c\x94\x83"
        "\x72\x52\x4e\x8a\x51\x8c\x72\x51\x2e\xca\x4d\xb9\x29\x0f\xe5\xa1\x7c"
        "\x94\x8f\x12\x29\x91\x0a\x52\x41\xca\xc0\xc4\x54\x88\x0a\x51\x9c\xe2"
        "\x54\x84\x8a\x50\x12\x25\x51\x31\x2a\x46\x8e\x1c\x95\xa4\x92\x54\x8a"
        "\x4a\x51\x69\x2a\x4d\x65\xa8\x0c\x95\xa5\xb2\x54\x8e\xca\x51\x05\xaa"
        "\x40\xb7\xd3\xed\x74\x07\xdd\x41\x55\xa8\x0a\xdd\x49\x77\x52\x75\xaa"
        "\x4e\x35\xa9\x26\xd5\xa2\x5a\x54\x9b\x6a\x53\x1d\xaa\x43\x75\xa9\x2e"
        "\xd5\xa3\x7a\x54\x9f\xea\x53\x03\x6a\x40\x0d\xa9\x21\x35\xa2\x46\xd4"
        "\x98\x1a\x53\x13\x6a\x42\xcd\xa8\x19\xb5\xa0\x16\xd4\x92\x5a\x52\x2b"
        "\x6a\x45\x6d\xa8\x0d\xb5\xa5\xb6\xd4\x8e\xda\x51\x7b\x6a\x4f\x1d\xa8"
        "\x03\x75\xa4\x8e\xd4\x89\x3a\x51\x67\xea\x4c\x5d\xa8\x0b\x75\xa5\xae"
        "\xd4\x9d\xba\x53\x0f\xea\x41\x3d\xa9\x27\xf5\xa6\xde\xd4\x97\xfa\x52"
        "\x3f\xea\x47\x03\x68\x00\x0d\xa2\x41\x34\x98\x06\xd3\x10\x1a\x42\x43"
        "\x69\x28\x0d\xa7\xe1\x34\x82\x46\xd0\x48\x1a\x49\xa3\x68\x34\x8d\xa1"
        "\x37\x69\x2c\x8d\xa3\xf1\x34\x81\x26\xd2\x24\x9a\x4c\x93\x69\x0a\x4d"
        "\xa1\xa9\x34\x95\xa6\xd1\x34\x9a\x41\x33\x68\x16\xcd\xa2\x39\x34\x87"
        "\xe6\xd2\x5c\x9a\x47\xf3\x28\x99\x92\x69\x3e\xcd\xa7\x85\xb4\x90\x16"
        "\xd3\x62\x4a\xa1\x14\x4a\xa5\x54\x5a\x4a\x4b\x29\x8d\xd2\x68\x39\x2d"
        "\xa7\x95\xb4\x92\x56\xd3\x6a\x5a\x4b\x6b\x69\x3d\xad\xa7\x8d\xb4\x91"
        "\x36\xd3\x66\xda\x4a\x5b\x69\x3b\x6d\xa7\x9d\xb4\x93\x76\xd3\x6e\xda"
        "\x4b\x7b\x69\x1f\xed\xa3\xfd\xb4\x9f\xd2\x29\x9d\x0e\xd0\x01\x3a\x48"
        "\x07\xe9\x10\x1d\xa2\xc3\x74\x98\x8e\xd0\x11\x3a\x4a\x47\xe9\x18\x1d"
        "\xa3\xe3\x74\x9c\x4e\xd0\x09\x3a\x45\xa7\xe8\x34\x9d\xa6\x33\x74\x86"
        "\xce\xd1\x39\x3a\x4f\x3f\xd1\x05\xfa\x99\x2e\x92\xa7\x04\x9b\xcd\x66"
        "\xb7\x57\xd9\x1c\xf6\x6a\x9b\xd3\x5e\x63\xff\x73\x9c\xcf\xe6\xb7\x89"
        "\xb6\x80\x2d\x68\x43\x9b\xc7\xe6\xfd\x43\x4c\xd6\xda\x24\x5b\xd4\x16"
        "\xb3\xc5\xad\xb3\x25\x6c\x49\x7b\xd3\x9f\xe2\x72\xb6\xbc\xad\x60\x2b"
        "\xda\xdb\x6d\x25\x7b\x87\xad\xfc\x5b\x0c\xf0\x7b\x5c\x6b\xed\xce\x5f"
        "\x7f\x10\xdd\xde\x6b\x6b\xda\xbb\x6c\x2d\x7b\xb7\xad\x6d\xef\xb1\x75"
        "\xec\xbd\xb6\xae\xbd\xcf\xd6\xb3\x0f\xdb\xfa\xf6\x11\xdb\xc0\x36\xb5"
        "\x0d\x6d\x73\xdb\xc8\x3e\x6c\x1b\xdb\x47\x6c\x13\xdb\xd4\x36\xb3\xcd"
        "\x6d\x5b\xfb\x84\x6d\x67\x9f\xb4\xed\xed\x53\xb6\x83\x7d\xfa\x4f\x71"
        "\x8a\x5d\x62\xd7\xda\x75\x76\xbd\xdd\x60\xf7\xd9\x4f\xed\x39\xfb\xa3"
        "\x3d\x6a\xbf\xb1\xe7\xed\x4f\xb6\xa7\xed\x65\x07\xd9\x97\xed\x60\xfb"
        "\x8a\x1d\x62\x5f\xb5\x43\xed\xb0\x3f\xc5\x63\xec\x9b\x76\xac\x1d\x67"
        "\xc7\xdb\x09\x76\xa2\x9d\xf4\xa7\x78\x86\x9d\x69\x67\xd9\xd9\x76\x8e"
        "\x7d\xd7\xce\xb5\xef\xfd\x29\x5e\x6c\x3f\xb4\xc9\x36\xd5\xce\xb7\x0b"
        "\xec\x42\xbb\xe8\x97\x38\x63\x4e\xa9\xf6\x23\xbb\xd4\x7e\x6c\xd3\xec"
        "\x32\xbb\xdc\xae\xb0\x2b\xed\x2a\xbb\xda\xae\xf9\xdb\x5c\x57\xd8\x4d"
        "\x76\xb3\xdd\x62\xf7\xda\x4f\xec\x76\xbb\xc3\xee\xb4\xbb\xec\x6e\xbb"
        "\xe7\x97\x38\x63\x1d\xfb\xed\x67\x36\xdd\x7e\x6e\x8f\xd8\xaf\xed\x41"
        "\xfb\x85\x3d\x64\x8f\xd9\xc3\xf6\xab\x5f\xe2\x8c\xf5\x1d\xb3\xdf\xda"
        "\xe3\xf6\x3b\x7b\xc2\x9e\xb4\xa7\xec\xf7\xf6\xb4\xfd\xc1\x9e\xb1\x67"
        "\x7f\x59\x7f\xc6\xda\xbf\xb7\x3f\xdb\x8b\xd6\x5b\x60\x64\xc5\x9a\x0d"
        "\x07\x9c\x85\xb3\x72\x02\x67\xe3\xec\x7c\x15\xe7\xe0\xab\x39\x27\x5f"
        "\xc3\x31\xbe\x96\x73\xf1\x75\x9c\x9b\xaf\xe7\x3c\x9c\x97\xf3\x71\x7e"
        "\x4e\xe4\x02\x5c\x90\x43\x26\xb6\xcc\x1c\x71\x21\x2e\xcc\x71\xbe\x81"
        "\x8b\xf0\x8d\x9c\xc4\x45\xb9\x18\x17\x67\xc7\x25\xb8\x24\xdf\xc4\xa5"
        "\xf8\x66\x2e\xcd\x19\x67\xaf\xb7\x72\x59\xbe\x8d\xcb\x71\x79\xae\xc0"
        "\x15\xf9\x76\xae\xc4\x77\x70\x65\xae\xc2\x55\xf9\x4e\xae\xc6\xd5\xb9"
        "\x06\xd7\xe4\xbb\xb8\x16\xdf\xcd\xb5\xf9\x1e\xae\xc3\xf7\x72\x5d\xbe"
        "\x8f\xeb\xf1\xfd\x5c\x9f\x1f\xe0\x06\xfc\x20\x37\xe4\x87\xb8\x11\x3f"
        "\xcc\x8d\xf9\x11\x6e\xc2\x4d\xb9\x19\x37\xe7\x16\xfc\x28\xb7\xe4\xc7"
        "\xb8\x15\xb7\xe6\x36\xfc\x38\xb7\xe5\x27\xb8\x1d\x3f\xc9\xed\xf9\x29"
        "\xee\xc0\x4f\x73\x47\x7e\x86\x3b\xf1\xb3\xdc\x99\x9f\xe3\x2e\xfc\x3c"
        "\x77\xe5\x6e\xdc\x9d\x5f\xe0\x1e\xfc\x22\xf7\xe4\x5e\xdc\x9b\xfb\x70"
        "\x5f\x7e\x89\xfb\x71\x7f\x1e\xc0\x03\x79\x10\xbf\xcc\x83\xf9\x15\x1e"
        "\xc2\xaf\xf2\x50\x1e\xc6\xc3\xf9\x35\x1e\xc1\xaf\xf3\x48\x7e\x83\x47"
        "\xf1\x68\x1e\xc3\x6f\xf2\x58\x1e\xc7\xe3\x79\x02\x4f\xe4\x49\x3c\x99"
        "\xdf\xe2\x29\xfc\x36\x4f\xe5\x77\x78\x1a\x4f\xe7\x19\x3c\x93\x67\xf1"
        "\x6c\x9e\xc3\xef\xf2\x5c\x7e\x8f\xe7\xf1\xfb\x9c\xcc\x1f\xf0\x7c\x5e"
        "\xc0\x0b\x79\x11\x2f\xe6\x0f\x39\x85\x97\x70\x2a\x7f\xc4\x4b\xf9\x63"
        "\x4e\xe3\x65\xbc\x9c\x57\xf0\x4a\x5e\xc5\xab\x79\x0d\xaf\xe5\x75\xbc"
        "\x9e\x37\xf0\x46\xde\xc4\x9b\x79\x0b\x6f\xe5\x6d\xbc\x9d\x77\x30\xf2"
        "\x2e\xde\xcd\x7b\x78\x2f\x7f\xc2\xfb\xf8\x53\xde\xcf\x9f\x71\x3a\x7f"
        "\xce\x07\xf8\x3f\xf8\x20\x7f\xc1\x87\xf8\x4b\x3e\xcc\x5f\xf1\x11\xfe"
        "\x9a\x8f\xf2\x37\x7c\x8c\xbf\xe5\xe3\xfc\x1d\x9f\xe0\x93\x7c\x8a\xbf"
        "\xe7\xd3\xfc\x03\x9f\xe1\xb3\x7c\x8e\x7f\xe4\xf3\xfc\x13\x5f\xe0\x9f"
        "\xf9\x22\x7b\x86\x08\x23\x15\xe9\xc8\x44\x41\x94\x25\xca\x1a\x25\x44"
        "\xd9\xa2\xec\xd1\x55\x51\x8e\xe8\xea\x28\x67\x74\x4d\x14\x8b\xae\x8d"
        "\x72\x45\xd7\x45\xb9\xa3\xeb\xa3\x3c\x51\xde\x28\x5f\x94\x3f\x4a\x8c"
        "\x0a\x44\x05\xa3\x30\xa2\xc8\x46\x1c\x45\x51\xa1\xa8\x70\x14\x8f\x6e"
        "\x88\x8a\x44\x37\x46\x49\x51\xd1\xa8\x58\x54\x3c\x72\x51\x89\xa8\x64"
        "\x74\x53\x54\x2a\xba\x39\x2a\x1d\xdd\x12\x95\x89\x6e\x8d\xca\x46\xb7"
        "\x45\xe5\xa2\xf2\xd1\xc3\xf7\x56\x8c\x6e\x8f\x2a\x45\x77\x44\x95\xa3"
        "\x2a\x51\xd5\xe8\xce\xa8\x5a\x54\x3d\xaa\x11\xd5\x8c\xee\x8a\x6a\x45"
        "\x77\x47\xb5\xa3\x7b\xa2\x3a\xd1\xbd\x51\xe9\xe8\xbe\xa8\x5e\x74\x7f"
        "\x54\x3f\x7a\x20\x6a\x00\x0f\x46\x0d\xa3\x87\xa2\x46\xd1\xc3\x51\xe3"
        "\xe8\x91\xa8\x49\xd4\x34\x6a\x16\x35\x8f\x5a\x44\x8f\x46\x2d\xa3\xc7"
        "\xa2\x56\x51\xeb\xa8\x4d\xf4\x78\xd4\x36\x7a\x22\x6a\x17\x3d\x19\xb5"
        "\x8f\x9e\x8a\x3a\x44\x4f\x5f\x76\x7f\xef\xa8\x4f\xd4\x37\x7a\x29\x7a"
        "\x29\xf2\xfe\x1e\xbd\x30\xbe\x28\xbe\x38\xfe\x61\x3c\x25\xbe\x24\x9e"
        "\x1a\xff\x28\xbe\x34\xfe\x71\x3c\x2d\xbe\x2c\xbe\x3c\xbe\x22\xbe\x32"
        "\xbe\x2a\xbe\x3a\xbe\x26\xbe\x36\xbe\x2e\xbe\x3e\xbe\x21\xbe\x31\xbe"
        "\x29\xbe\x39\xbe\x25\xee\x7d\xcd\xac\xe0\xd0\x29\xa7\x9d\x71\x81\xcb"
        "\xe2\xb2\xba\x04\x97\xcd\x65\x77\x57\xb9\x1c\xee\x6a\x97\xd3\x5d\xe3"
        "\x62\xee\x5a\x97\xcb\x5d\xe7\x72\xbb\xeb\x5d\x1e\x97\xd7\xe5\x73\xf9"
        "\x5d\xa2\x2b\xe0\x0a\xba\xd0\x91\xb3\x8e\x5d\xe4\x0a\xb9\xc2\x2e\xee"
        "\x6e\x70\x45\xdc\x8d\x2e\xc9\x15\x75\xc5\x5c\x71\xe7\x5c\x09\x57\xd2"
        "\x35\x77\x2d\x5c\x0b\xd7\xd2\x3d\xe6\x5a\xb9\xd6\xae\x8d\x7b\xdc\x3d"
        "\xee\x9e\x70\x4f\xb8\x27\xdd\x93\xee\x29\xd7\xc1\x3d\xed\x3a\xba\x67"
        "\x5c\x27\xf7\xac\xeb\xec\x9e\x73\xcf\xb9\xe7\x5d\x57\xd7\xcd\x75\x77"
        "\x2f\xb8\x1e\xee\x45\xd7\xd3\xf5\x72\xbd\x5d\x6f\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\x93\xdd\x64"
        "\x37\xc5\x4d\x71\x53\xdd\x54\x37\xcd\x4d\x73\x33\xdc\x0c\x37\xcb\xcd"
        "\x72\x73\xdc\x1c\x37\xd7\xcd\x75\xf3\xdc\x3c\x97\x9c\x94\xec\xe6\xbb"
        "\xf9\x6e\xa1\x5b\xe8\x16\xbb\xc5\x2e\xc5\xa5\xb8\x54\x97\xea\x96\xba"
        "\xa5\x2e\xcd\xa5\xb9\xe5\x6e\xb9\x5b\xe9\x56\xba\xd5\x6e\xb5\x5b\xeb"
        "\xd6\xba\xf5\x6e\xbd\xdb\xe8\x36\xba\xcd\x6e\xb3\xdb\xea\xb6\xba\xed"
        "\x6e\xbb\xdb\xe9\x76\xba\xdd\x6e\xb7\xdb\xeb\xf6\xba\x7d\x6e\x9f\xdb"
        "\xef\xf6\xbb\x74\x97\xee\x0e\xb8\x03\xe7\xbc\x3b\xe8\x0e\xb9\x2f\xdd"
        "\x61\xf7\x95\x3b\xe2\xbe\x76\x47\xdd\x37\xee\x98\xfb\xd6\x1d\x77\xdf"
        "\xb9\x13\xee\xa4\x3b\xe5\xbe\x77\xa7\xdd\x0f\xee\x8c\x3b\xeb\xce\xb9"
        "\x1f\xdd\x79\xf7\x93\xbb\xe0\x7e\x76\x17\x9d\x77\x93\x63\x6f\xc5\xa6"
        "\xc4\xde\x8e\x4d\x8d\xbd\x13\x9b\x16\x9b\x1e\x9b\x11\x9b\x19\x9b\x15"
        "\x9b\x1d\x9b\x13\x7b\x37\x36\x37\xf6\x5e\x6c\x5e\xec\xfd\x58\x72\xec"
        "\x83\xd8\xfc\xd8\x82\xd8\xc2\xd8\xa2\xd8\xe2\xd8\x87\xb1\x94\xd8\x92"
        "\x58\x6a\xec\xa3\xd8\xd2\xd8\xc7\xb1\xb4\xd8\xb2\xd8\xf2\xd8\x8a\xd8"
        "\xca\xd8\xaa\x98\xf7\x05\xb6\x47\xbe\x90\x2f\xec\xe3\xfe\x06\x5f\xc4"
        "\xdf\xe8\x93\x7c\x51\x5f\xcc\x17\xf7\xce\x97\xf0\x25\xfd\x4d\xbe\x94"
        "\xbf\xd9\x97\xf6\xb7\xf8\x32\xfe\x56\x5f\xd6\xdf\xe6\xcb\xf9\xf2\xbe"
        "\x82\x7f\xc4\x37\xf1\x4d\x7d\x33\xdf\xdc\xb7\xf0\x8f\xfa\x96\xfe\x31"
        "\xdf\xca\xb7\xf6\x6d\xfc\xe3\xbe\xad\x7f\xc2\xb7\xf3\x4f\xfa\xf6\xfe"
        "\x29\xdf\xc1\x3f\xed\x3b\xfa\x67\x7c\x27\xff\xac\xef\xec\x9f\xf3\x5d"
        "\xfc\xf3\xbe\xab\xef\xe6\xbb\xfb\x17\x7c\x0f\xff\xa2\xef\xe9\xb5\xef"
        "\xed\xfb\xf8\xbe\xfe\x25\xdf\xcf\xf7\xf7\x03\xfc\x40\x3f\xc8\xbf\xec"
        "\x07\xfb\x57\xfc\x10\xff\xaa\x1f\xea\x87\xf9\xe1\xfe\x35\x3f\xc2\xbf"
        "\xee\x47\xfa\x37\xfc\x28\x3f\xda\x8f\xf1\x6f\xfa\xb1\x7e\x9c\x1f\xef"
        "\x27\xf8\x89\x7e\x92\x9f\xec\xdf\xf2\x53\xfc\xdb\x7e\xaa\x7f\xc7\x4f"
        "\xf3\xd3\xfd\x0c\x3f\xd3\xcf\xf2\xb3\xfd\x1c\xff\xae\x9f\xeb\xdf\xf3"
        "\xf3\xfc\xfb\x3e\xd9\x7f\xe0\xe7\xfb\x05\x7e\xa1\x5f\xe4\x17\xfb\x0f"
        "\x7d\x8a\x5f\xe2\x53\xfd\x47\x7e\xa9\xff\xd8\xa7\xf9\x65\x7e\xb9\x5f"
        "\xe1\x21\x61\x95\x5f\xed\xd7\xf8\xb5\x7e\x9d\x5f\xef\x37\xf8\x8d\x7e"
        "\x93\xdf\xec\xb7\xf8\xad\x7e\x9b\xdf\xee\x77\xf8\x9d\x7e\x97\xdf\xed"
        "\xf7\xf8\xbd\xfe\x13\xbf\xcf\x7f\xea\xf7\xfb\xcf\x7c\xba\xff\xdc\x1f"
        "\xf0\xff\xe1\x0f\xfa\x2f\xfc\x21\xff\xa5\x3f\xec\xbf\xf2\x47\xfc\xd7"
        "\xfe\xa8\xff\xc6\x1f\xf3\xdf\xfa\xe3\xfe\x3b\x7f\xc2\x9f\xf4\xa7\xfc"
        "\xf7\xfe\xb4\xff\xc1\x9f\xf1\x67\xfd\x39\xff\xa3\x3f\xef\x7f\xf2\x17"
        "\xfc\xcf\xfe\xa2\xfc\xce\x9a\x10\x42\x08\x21\xc4\x3f\x44\x5f\x66\x7f"
        "\x9f\x3f\x44\xea\x6f\xff\xaa\xdf\xfe\xa7\x2f\x00\x5c\xbd\x23\xff\xe1"
        "\xff\x5c\x73\x63\x9e\x5f\xc7\xfd\x55\x62\xdb\x18\x00\x3c\xd5\xab\xcb"
        "\x83\xbf\x6f\xd5\xaa\xf5\xee\xdd\xfb\xb7\xfb\xa6\x69\x08\x0a\x2f\x00"
        "\x80\xd8\xa5\xfc\x2c\x70\x29\x5e\x06\x6d\xe0\x09\x68\x0f\xad\xa1\xd4"
        "\xff\x76\x7e\xfd\x55\xb7\xf3\x7c\x99\xfa\xf1\x5b\x01\xb2\xff\x5d\x4e"
        "\x02\x00\xfc\xf6\xfd\x83\xbf\xab\x7f\xf3\x5f\xd4\x1f\x97\x7c\xd9\xfa"
        "\x0b\x00\x92\x0a\x5f\xca\xc9\x06\x97\xe2\x4b\xf5\x4b\xff\xa9\x76\xf0"
        "\x4b\xfd\xbc\x2d\x2f\x53\x3f\xdb\x17\x93\x01\x5a\xfd\x5d\x5e\x0e\xb8"
        "\x14\x5f\xaa\x5f\x12\x1e\x83\xa7\xa1\xfd\x1f\xee\x29\x84\x10\x42\x08"
        "\x21\x84\x10\x42\xfc\xaa\xbf\xaa\xd0\xe9\x72\x9f\x6f\x33\x3e\x9f\x27"
        "\x9a\x4b\x39\x59\xe1\x52\x7c\xb9\xcf\xe7\x42\x08\x21\x84\x10\x42\x08"
        "\x21\x84\xb8\xf2\x9e\xed\xd6\xfd\xc9\x47\xdb\xb7\x6f\xdd\xe9\x2f\x06"
        "\x55\xfe\x7a\x97\x0c\x32\xcb\x20\xcb\xbf\xc7\x34\xae\xc4\xe0\xb2\x07"
        "\xc8\x7f\x65\x00\x70\xa5\x97\xf3\xb7\x01\x02\xfc\x72\x89\xef\xaf\xef"
        "\x73\xa5\x5f\x99\x84\x10\x42\x08\x21\x84\x10\xff\x6a\x97\x4e\xfa\xaf"
        "\xf4\x4c\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21"
        "\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10"
        "\x42\x08\x21\x84\x10\x42\x88\xcc\xeb\xff\xc5\x9f\x1c\xbb\xd2\x6b\x14"
        "\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08"
        "\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84"
        "\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\xae\xb4\xff"
        "\x15\x00\x00\xff\xff\xcc\xe2\x28\x9a",
        5415);
    syz_mount_image(/*fs=*/0x200000000540, /*dir=*/0x200000000040,
                    /*flags=MS_SYNCHRONOUS*/ 0x10, /*opts=*/0x200000000300,
                    /*chdir=*/1, /*size=*/0x1526, /*img=*/0x200000003f80);
    break;
  case 1:
    //  open arguments: [
    //    file: ptr[in, buffer] {
    //      buffer: {2e 00} (length 0x2)
    //    }
    //    flags: open_flags = 0x8000 (8 bytes)
    //    mode: open_mode = 0x50 (8 bytes)
    //  ]
    //  returns fd
    memcpy((void*)0x2000000000c0, ".\000", 2);
    res = syscall(__NR_open, /*file=*/0x2000000000c0ul,
                  /*flags=O_LARGEFILE*/ 0x8000ul,
                  /*mode=S_IWGRP|S_IXUSR*/ 0x50ul);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    //  ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY arguments: [
    //    fd: fd_dir (resource)
    //    cmd: const = 0x8004587d (4 bytes)
    //    arg: ptr[inout, fscrypt_remove_key_arg] {
    //      fscrypt_remove_key_arg {
    //        key_spec: union fscrypt_key_specifier {
    //          desc: fscrypt_key_specifier__by_descriptor {
    //            type: const = 0x1 (4 bytes)
    //            reserved: const = 0x0 (4 bytes)
    //            descriptor: union fscrypt_key_descriptor {
    //              desc1: buffer: {00 00 11 11 22 22 33 33} (length 0x8)
    //            }
    //            reserved2: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00
    //            00 00 00 00 00 00 00 00 00 00} (length 0x18)
    //          }
    //        }
    //        removal_status_flags: int32 = 0x0 (4 bytes)
    //        reserved: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    //        00 00 00 00} (length 0x14)
    //      }
    //    }
    //  ]
    *(uint32_t*)0x200000000080 = 1;
    *(uint32_t*)0x200000000084 = 0;
    memcpy((void*)0x200000000088, "\000\000\021\021\"\"33", 8);
    memset((void*)0x200000000090, 0, 24);
    memset((void*)0x2000000000ac, 0, 20);
    syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x8004587d,
            /*arg=*/0x200000000080ul);
    break;
  case 3:
    //  mkdirat arguments: [
    //    fd: fd_dir (resource)
    //    path: ptr[in, buffer] {
    //      buffer: {2e 2f 62 75 73 00} (length 0x6)
    //    }
    //    mode: open_mode = 0x0 (8 bytes)
    //  ]
    memcpy((void*)0x2000000000c0, "./bus\000", 6);
    syscall(__NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x2000000000c0ul,
            /*mode=*/0ul);
    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;
}