// 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 <net/if_arp.h>
#include <netinet/in.h>
#include <pthread.h>
#include <sched.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/epoll.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/swap.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/capability.h>
#include <linux/falloc.h>
#include <linux/futex.h>
#include <linux/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_ether.h>
#include <linux/if_link.h>
#include <linux/if_tun.h>
#include <linux/in6.h>
#include <linux/ip.h>
#include <linux/loop.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/nl80211.h>
#include <linux/rfkill.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>

#ifndef __NR_bpf
#define __NR_bpf 321
#endif
#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

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

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

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

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

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

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

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

typedef struct {
  int state;
} event_t;

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

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

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

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

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

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

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

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 int netlink_next_msg(struct nlmsg* nlmsg, unsigned int offset,
                            unsigned int total_len)
{
  struct nlmsghdr* hdr = (struct nlmsghdr*)(nlmsg->buf + offset);
  if (offset == total_len || offset + hdr->nlmsg_len > total_len)
    return -1;
  return hdr->nlmsg_len;
}

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_add_device(struct nlmsg* nlmsg, int sock, const char* type,
                               const char* name)
{
  netlink_add_device_impl(nlmsg, type, name, false);
  netlink_done(nlmsg);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static void netlink_add_veth(struct nlmsg* nlmsg, int sock, const char* name,
                             const char* peer)
{
  netlink_add_device_impl(nlmsg, "veth", name, false);
  netlink_nest(nlmsg, IFLA_INFO_DATA);
  netlink_nest(nlmsg, VETH_INFO_PEER);
  nlmsg->pos += sizeof(struct ifinfomsg);
  netlink_attr(nlmsg, IFLA_IFNAME, peer, strlen(peer));
  netlink_done(nlmsg);
  netlink_done(nlmsg);
  netlink_done(nlmsg);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static void netlink_add_xfrm(struct nlmsg* nlmsg, int sock, const char* name)
{
  netlink_add_device_impl(nlmsg, "xfrm", name, true);
  netlink_nest(nlmsg, IFLA_INFO_DATA);
  int if_id = 1;
  netlink_attr(nlmsg, 2, &if_id, sizeof(if_id));
  netlink_done(nlmsg);
  netlink_done(nlmsg);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static void netlink_add_hsr(struct nlmsg* nlmsg, int sock, const char* name,
                            const char* slave1, const char* slave2)
{
  netlink_add_device_impl(nlmsg, "hsr", name, false);
  netlink_nest(nlmsg, IFLA_INFO_DATA);
  int ifindex1 = if_nametoindex(slave1);
  netlink_attr(nlmsg, IFLA_HSR_SLAVE1, &ifindex1, sizeof(ifindex1));
  int ifindex2 = if_nametoindex(slave2);
  netlink_attr(nlmsg, IFLA_HSR_SLAVE2, &ifindex2, sizeof(ifindex2));
  netlink_done(nlmsg);
  netlink_done(nlmsg);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static void netlink_add_linked(struct nlmsg* nlmsg, int sock, const char* type,
                               const char* name, const char* link)
{
  netlink_add_device_impl(nlmsg, type, name, false);
  netlink_done(nlmsg);
  int ifindex = if_nametoindex(link);
  netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static void netlink_add_vlan(struct nlmsg* nlmsg, int sock, const char* name,
                             const char* link, uint16_t id, uint16_t proto)
{
  netlink_add_device_impl(nlmsg, "vlan", name, false);
  netlink_nest(nlmsg, IFLA_INFO_DATA);
  netlink_attr(nlmsg, IFLA_VLAN_ID, &id, sizeof(id));
  netlink_attr(nlmsg, IFLA_VLAN_PROTOCOL, &proto, sizeof(proto));
  netlink_done(nlmsg);
  netlink_done(nlmsg);
  int ifindex = if_nametoindex(link);
  netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static void netlink_add_macvlan(struct nlmsg* nlmsg, int sock, const char* name,
                                const char* link)
{
  netlink_add_device_impl(nlmsg, "macvlan", name, false);
  netlink_nest(nlmsg, IFLA_INFO_DATA);
  uint32_t mode = MACVLAN_MODE_BRIDGE;
  netlink_attr(nlmsg, IFLA_MACVLAN_MODE, &mode, sizeof(mode));
  netlink_done(nlmsg);
  netlink_done(nlmsg);
  int ifindex = if_nametoindex(link);
  netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static void netlink_add_geneve(struct nlmsg* nlmsg, int sock, const char* name,
                               uint32_t vni, struct in_addr* addr4,
                               struct in6_addr* addr6)
{
  netlink_add_device_impl(nlmsg, "geneve", name, false);
  netlink_nest(nlmsg, IFLA_INFO_DATA);
  netlink_attr(nlmsg, IFLA_GENEVE_ID, &vni, sizeof(vni));
  if (addr4)
    netlink_attr(nlmsg, IFLA_GENEVE_REMOTE, addr4, sizeof(*addr4));
  if (addr6)
    netlink_attr(nlmsg, IFLA_GENEVE_REMOTE6, addr6, sizeof(*addr6));
  netlink_done(nlmsg);
  netlink_done(nlmsg);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

#define IFLA_IPVLAN_FLAGS 2
#define IPVLAN_MODE_L3S 2
#undef IPVLAN_F_VEPA
#define IPVLAN_F_VEPA 2

static void netlink_add_ipvlan(struct nlmsg* nlmsg, int sock, const char* name,
                               const char* link, uint16_t mode, uint16_t flags)
{
  netlink_add_device_impl(nlmsg, "ipvlan", name, false);
  netlink_nest(nlmsg, IFLA_INFO_DATA);
  netlink_attr(nlmsg, IFLA_IPVLAN_MODE, &mode, sizeof(mode));
  netlink_attr(nlmsg, IFLA_IPVLAN_FLAGS, &flags, sizeof(flags));
  netlink_done(nlmsg);
  netlink_done(nlmsg);
  int ifindex = if_nametoindex(link);
  netlink_attr(nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

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 int netlink_add_addr(struct nlmsg* nlmsg, int sock, const char* dev,
                            const void* addr, int addrsize)
{
  struct ifaddrmsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  hdr.ifa_family = addrsize == 4 ? AF_INET : AF_INET6;
  hdr.ifa_prefixlen = addrsize == 4 ? 24 : 120;
  hdr.ifa_scope = RT_SCOPE_UNIVERSE;
  hdr.ifa_index = if_nametoindex(dev);
  netlink_init(nlmsg, RTM_NEWADDR, NLM_F_CREATE | NLM_F_REPLACE, &hdr,
               sizeof(hdr));
  netlink_attr(nlmsg, IFA_LOCAL, addr, addrsize);
  netlink_attr(nlmsg, IFA_ADDRESS, addr, addrsize);
  return netlink_send(nlmsg, sock);
}

static void netlink_add_addr4(struct nlmsg* nlmsg, int sock, const char* dev,
                              const char* addr)
{
  struct in_addr in_addr;
  inet_pton(AF_INET, addr, &in_addr);
  int err = netlink_add_addr(nlmsg, sock, dev, &in_addr, sizeof(in_addr));
  if (err < 0) {
  }
}

static void netlink_add_addr6(struct nlmsg* nlmsg, int sock, const char* dev,
                              const char* addr)
{
  struct in6_addr in6_addr;
  inet_pton(AF_INET6, addr, &in6_addr);
  int err = netlink_add_addr(nlmsg, sock, dev, &in6_addr, sizeof(in6_addr));
  if (err < 0) {
  }
}

static void netlink_add_neigh(struct nlmsg* nlmsg, int sock, const char* name,
                              const void* addr, int addrsize, const void* mac,
                              int macsize)
{
  struct ndmsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  hdr.ndm_family = addrsize == 4 ? AF_INET : AF_INET6;
  hdr.ndm_ifindex = if_nametoindex(name);
  hdr.ndm_state = NUD_PERMANENT;
  netlink_init(nlmsg, RTM_NEWNEIGH, NLM_F_EXCL | NLM_F_CREATE, &hdr,
               sizeof(hdr));
  netlink_attr(nlmsg, NDA_DST, addr, addrsize);
  netlink_attr(nlmsg, NDA_LLADDR, mac, macsize);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static struct nlmsg nlmsg;

static int tunfd = -1;

#define TUN_IFACE "syz_tun"
#define LOCAL_MAC 0xaaaaaaaaaaaa
#define REMOTE_MAC 0xaaaaaaaaaabb
#define LOCAL_IPV4 "172.20.20.170"
#define REMOTE_IPV4 "172.20.20.187"
#define LOCAL_IPV6 "fe80::aa"
#define REMOTE_IPV6 "fe80::bb"

#define IFF_NAPI 0x0010

static void initialize_tun(void)
{
  tunfd = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
  if (tunfd == -1) {
    printf("tun: can't open /dev/net/tun: please enable CONFIG_TUN=y\n");
    printf("otherwise fuzzing or reproducing might not work as intended\n");
    return;
  }
  const int kTunFd = 200;
  if (dup2(tunfd, kTunFd) < 0)
    exit(1);
  close(tunfd);
  tunfd = kTunFd;
  struct ifreq ifr;
  memset(&ifr, 0, sizeof(ifr));
  strncpy(ifr.ifr_name, TUN_IFACE, IFNAMSIZ);
  ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
  if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) {
    exit(1);
  }
  char sysctl[64];
  sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/accept_dad", TUN_IFACE);
  write_file(sysctl, "0");
  sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/router_solicitations", TUN_IFACE);
  write_file(sysctl, "0");
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock == -1)
    exit(1);
  netlink_add_addr4(&nlmsg, sock, TUN_IFACE, LOCAL_IPV4);
  netlink_add_addr6(&nlmsg, sock, TUN_IFACE, LOCAL_IPV6);
  uint64_t macaddr = REMOTE_MAC;
  struct in_addr in_addr;
  inet_pton(AF_INET, REMOTE_IPV4, &in_addr);
  netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in_addr, sizeof(in_addr),
                    &macaddr, ETH_ALEN);
  struct in6_addr in6_addr;
  inet_pton(AF_INET6, REMOTE_IPV6, &in6_addr);
  netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in6_addr, sizeof(in6_addr),
                    &macaddr, ETH_ALEN);
  macaddr = LOCAL_MAC;
  netlink_device_change(&nlmsg, sock, TUN_IFACE, true, 0, &macaddr, ETH_ALEN,
                        NULL);
  close(sock);
}

#define DEVLINK_FAMILY_NAME "devlink"

#define DEVLINK_CMD_PORT_GET 5
#define DEVLINK_ATTR_BUS_NAME 1
#define DEVLINK_ATTR_DEV_NAME 2
#define DEVLINK_ATTR_NETDEV_NAME 7

static struct nlmsg nlmsg2;

static void initialize_devlink_ports(const char* bus_name, const char* dev_name,
                                     const char* netdev_prefix)
{
  struct genlmsghdr genlhdr;
  int len, total_len, id, err, offset;
  uint16_t netdev_index;
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock == -1)
    exit(1);
  int rtsock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (rtsock == -1)
    exit(1);
  id = netlink_query_family_id(&nlmsg, sock, DEVLINK_FAMILY_NAME, true);
  if (id == -1)
    goto error;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = DEVLINK_CMD_PORT_GET;
  netlink_init(&nlmsg, id, NLM_F_DUMP, &genlhdr, sizeof(genlhdr));
  netlink_attr(&nlmsg, DEVLINK_ATTR_BUS_NAME, bus_name, strlen(bus_name) + 1);
  netlink_attr(&nlmsg, DEVLINK_ATTR_DEV_NAME, dev_name, strlen(dev_name) + 1);
  err = netlink_send_ext(&nlmsg, sock, id, &total_len, true);
  if (err < 0) {
    goto error;
  }
  offset = 0;
  netdev_index = 0;
  while ((len = netlink_next_msg(&nlmsg, offset, total_len)) != -1) {
    struct nlattr* attr = (struct nlattr*)(nlmsg.buf + offset + NLMSG_HDRLEN +
                                           NLMSG_ALIGN(sizeof(genlhdr)));
    for (; (char*)attr < nlmsg.buf + offset + len;
         attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
      if (attr->nla_type == DEVLINK_ATTR_NETDEV_NAME) {
        char* port_name;
        char netdev_name[IFNAMSIZ];
        port_name = (char*)(attr + 1);
        snprintf(netdev_name, sizeof(netdev_name), "%s%d", netdev_prefix,
                 netdev_index);
        netlink_device_change(&nlmsg2, rtsock, port_name, true, 0, 0, 0,
                              netdev_name);
        break;
      }
    }
    offset += len;
    netdev_index++;
  }
error:
  close(rtsock);
  close(sock);
}

#define WIFI_INITIAL_DEVICE_COUNT 2
#define WIFI_MAC_BASE                                                          \
  {                                                                            \
    0x08, 0x02, 0x11, 0x00, 0x00, 0x00                                         \
  }
#define WIFI_IBSS_BSSID                                                        \
  {                                                                            \
    0x50, 0x50, 0x50, 0x50, 0x50, 0x50                                         \
  }
#define WIFI_IBSS_SSID                                                         \
  {                                                                            \
    0x10, 0x10, 0x10, 0x10, 0x10, 0x10                                         \
  }
#define WIFI_DEFAULT_FREQUENCY 2412
#define WIFI_DEFAULT_SIGNAL 0
#define WIFI_DEFAULT_RX_RATE 1
#define HWSIM_CMD_REGISTER 1
#define HWSIM_CMD_FRAME 2
#define HWSIM_CMD_NEW_RADIO 4
#define HWSIM_ATTR_SUPPORT_P2P_DEVICE 14
#define HWSIM_ATTR_PERM_ADDR 22

#define IF_OPER_UP 6
struct join_ibss_props {
  int wiphy_freq;
  bool wiphy_freq_fixed;
  uint8_t* mac;
  uint8_t* ssid;
  int ssid_len;
};

static int set_interface_state(const char* interface_name, int on)
{
  struct ifreq ifr;
  int sock = socket(AF_INET, SOCK_DGRAM, 0);
  if (sock < 0) {
    return -1;
  }
  memset(&ifr, 0, sizeof(ifr));
  strcpy(ifr.ifr_name, interface_name);
  int ret = ioctl(sock, SIOCGIFFLAGS, &ifr);
  if (ret < 0) {
    close(sock);
    return -1;
  }
  if (on)
    ifr.ifr_flags |= IFF_UP;
  else
    ifr.ifr_flags &= ~IFF_UP;
  ret = ioctl(sock, SIOCSIFFLAGS, &ifr);
  close(sock);
  if (ret < 0) {
    return -1;
  }
  return 0;
}

static int nl80211_set_interface(struct nlmsg* nlmsg, int sock,
                                 int nl80211_family, uint32_t ifindex,
                                 uint32_t iftype, bool dofail)
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = NL80211_CMD_SET_INTERFACE;
  netlink_init(nlmsg, nl80211_family, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, NL80211_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
  netlink_attr(nlmsg, NL80211_ATTR_IFTYPE, &iftype, sizeof(iftype));
  int err = netlink_send_ext(nlmsg, sock, 0, NULL, dofail);
  if (err < 0) {
  }
  return err;
}

static int nl80211_join_ibss(struct nlmsg* nlmsg, int sock, int nl80211_family,
                             uint32_t ifindex, struct join_ibss_props* props,
                             bool dofail)
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = NL80211_CMD_JOIN_IBSS;
  netlink_init(nlmsg, nl80211_family, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, NL80211_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
  netlink_attr(nlmsg, NL80211_ATTR_SSID, props->ssid, props->ssid_len);
  netlink_attr(nlmsg, NL80211_ATTR_WIPHY_FREQ, &(props->wiphy_freq),
               sizeof(props->wiphy_freq));
  if (props->mac)
    netlink_attr(nlmsg, NL80211_ATTR_MAC, props->mac, ETH_ALEN);
  if (props->wiphy_freq_fixed)
    netlink_attr(nlmsg, NL80211_ATTR_FREQ_FIXED, NULL, 0);
  int err = netlink_send_ext(nlmsg, sock, 0, NULL, dofail);
  if (err < 0) {
  }
  return err;
}

static int get_ifla_operstate(struct nlmsg* nlmsg, int ifindex, bool dofail)
{
  struct ifinfomsg info;
  memset(&info, 0, sizeof(info));
  info.ifi_family = AF_UNSPEC;
  info.ifi_index = ifindex;
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock == -1) {
    return -1;
  }
  netlink_init(nlmsg, RTM_GETLINK, 0, &info, sizeof(info));
  int n;
  int err = netlink_send_ext(nlmsg, sock, RTM_NEWLINK, &n, dofail);
  close(sock);
  if (err) {
    return -1;
  }
  struct rtattr* attr = IFLA_RTA(NLMSG_DATA(nlmsg->buf));
  for (; RTA_OK(attr, n); attr = RTA_NEXT(attr, n)) {
    if (attr->rta_type == IFLA_OPERSTATE)
      return *((int32_t*)RTA_DATA(attr));
  }
  return -1;
}

static int await_ifla_operstate(struct nlmsg* nlmsg, char* interface,
                                int operstate, bool dofail)
{
  int ifindex = if_nametoindex(interface);
  while (true) {
    usleep(1000);
    int ret = get_ifla_operstate(nlmsg, ifindex, dofail);
    if (ret < 0)
      return ret;
    if (ret == operstate)
      return 0;
  }
  return 0;
}

static int nl80211_setup_ibss_interface(struct nlmsg* nlmsg, int sock,
                                        int nl80211_family_id, char* interface,
                                        struct join_ibss_props* ibss_props,
                                        bool dofail)
{
  int ifindex = if_nametoindex(interface);
  if (ifindex == 0) {
    return -1;
  }
  int ret = nl80211_set_interface(nlmsg, sock, nl80211_family_id, ifindex,
                                  NL80211_IFTYPE_ADHOC, dofail);
  if (ret < 0) {
    return -1;
  }
  ret = set_interface_state(interface, 1);
  if (ret < 0) {
    return -1;
  }
  ret = nl80211_join_ibss(nlmsg, sock, nl80211_family_id, ifindex, ibss_props,
                          dofail);
  if (ret < 0) {
    return -1;
  }
  return 0;
}

static int hwsim80211_create_device(struct nlmsg* nlmsg, int sock,
                                    int hwsim_family,
                                    uint8_t mac_addr[ETH_ALEN])
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = HWSIM_CMD_NEW_RADIO;
  netlink_init(nlmsg, hwsim_family, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, HWSIM_ATTR_SUPPORT_P2P_DEVICE, NULL, 0);
  netlink_attr(nlmsg, HWSIM_ATTR_PERM_ADDR, mac_addr, ETH_ALEN);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
  return err;
}

static void initialize_wifi_devices(void)
{
  int rfkill = open("/dev/rfkill", O_RDWR);
  if (rfkill == -1)
    exit(1);
  struct rfkill_event event = {0};
  event.type = RFKILL_TYPE_ALL;
  event.op = RFKILL_OP_CHANGE_ALL;
  if (write(rfkill, &event, sizeof(event)) != (ssize_t)(sizeof(event)))
    exit(1);
  close(rfkill);
  uint8_t mac_addr[6] = WIFI_MAC_BASE;
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock < 0)
    exit(1);
  int hwsim_family_id =
      netlink_query_family_id(&nlmsg, sock, "MAC80211_HWSIM", true);
  int nl80211_family_id =
      netlink_query_family_id(&nlmsg, sock, "nl80211", true);
  uint8_t ssid[] = WIFI_IBSS_SSID;
  uint8_t bssid[] = WIFI_IBSS_BSSID;
  struct join_ibss_props ibss_props = {.wiphy_freq = WIFI_DEFAULT_FREQUENCY,
                                       .wiphy_freq_fixed = true,
                                       .mac = bssid,
                                       .ssid = ssid,
                                       .ssid_len = sizeof(ssid)};
  for (int device_id = 0; device_id < WIFI_INITIAL_DEVICE_COUNT; device_id++) {
    mac_addr[5] = device_id;
    int ret = hwsim80211_create_device(&nlmsg, sock, hwsim_family_id, mac_addr);
    if (ret < 0)
      exit(1);
    char interface[6] = "wlan0";
    interface[4] += device_id;
    if (nl80211_setup_ibss_interface(&nlmsg, sock, nl80211_family_id, interface,
                                     &ibss_props, true) < 0)
      exit(1);
  }
  for (int device_id = 0; device_id < WIFI_INITIAL_DEVICE_COUNT; device_id++) {
    char interface[6] = "wlan0";
    interface[4] += device_id;
    int ret = await_ifla_operstate(&nlmsg, interface, IF_OPER_UP, true);
    if (ret < 0)
      exit(1);
  }
  close(sock);
}

static int runcmdline(char* cmdline)
{
  int ret = system(cmdline);
  if (ret) {
  }
  return ret;
}

#define DEV_IPV4 "172.20.20.%d"
#define DEV_IPV6 "fe80::%02x"
#define DEV_MAC 0x00aaaaaaaaaa

static void netdevsim_add(unsigned int addr, unsigned int port_count)
{
  write_file("/sys/bus/netdevsim/del_device", "%u", addr);
  if (write_file("/sys/bus/netdevsim/new_device", "%u %u", addr, port_count)) {
    char buf[32];
    snprintf(buf, sizeof(buf), "netdevsim%d", addr);
    initialize_devlink_ports("netdevsim", buf, "netdevsim");
  }
}

#define WG_GENL_NAME "wireguard"
enum wg_cmd {
  WG_CMD_GET_DEVICE,
  WG_CMD_SET_DEVICE,
};
enum wgdevice_attribute {
  WGDEVICE_A_UNSPEC,
  WGDEVICE_A_IFINDEX,
  WGDEVICE_A_IFNAME,
  WGDEVICE_A_PRIVATE_KEY,
  WGDEVICE_A_PUBLIC_KEY,
  WGDEVICE_A_FLAGS,
  WGDEVICE_A_LISTEN_PORT,
  WGDEVICE_A_FWMARK,
  WGDEVICE_A_PEERS,
};
enum wgpeer_attribute {
  WGPEER_A_UNSPEC,
  WGPEER_A_PUBLIC_KEY,
  WGPEER_A_PRESHARED_KEY,
  WGPEER_A_FLAGS,
  WGPEER_A_ENDPOINT,
  WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
  WGPEER_A_LAST_HANDSHAKE_TIME,
  WGPEER_A_RX_BYTES,
  WGPEER_A_TX_BYTES,
  WGPEER_A_ALLOWEDIPS,
  WGPEER_A_PROTOCOL_VERSION,
};
enum wgallowedip_attribute {
  WGALLOWEDIP_A_UNSPEC,
  WGALLOWEDIP_A_FAMILY,
  WGALLOWEDIP_A_IPADDR,
  WGALLOWEDIP_A_CIDR_MASK,
};

static void netlink_wireguard_setup(void)
{
  const char ifname_a[] = "wg0";
  const char ifname_b[] = "wg1";
  const char ifname_c[] = "wg2";
  const char private_a[] =
      "\xa0\x5c\xa8\x4f\x6c\x9c\x8e\x38\x53\xe2\xfd\x7a\x70\xae\x0f\xb2\x0f\xa1"
      "\x52\x60\x0c\xb0\x08\x45\x17\x4f\x08\x07\x6f\x8d\x78\x43";
  const char private_b[] =
      "\xb0\x80\x73\xe8\xd4\x4e\x91\xe3\xda\x92\x2c\x22\x43\x82\x44\xbb\x88\x5c"
      "\x69\xe2\x69\xc8\xe9\xd8\x35\xb1\x14\x29\x3a\x4d\xdc\x6e";
  const char private_c[] =
      "\xa0\xcb\x87\x9a\x47\xf5\xbc\x64\x4c\x0e\x69\x3f\xa6\xd0\x31\xc7\x4a\x15"
      "\x53\xb6\xe9\x01\xb9\xff\x2f\x51\x8c\x78\x04\x2f\xb5\x42";
  const char public_a[] =
      "\x97\x5c\x9d\x81\xc9\x83\xc8\x20\x9e\xe7\x81\x25\x4b\x89\x9f\x8e\xd9\x25"
      "\xae\x9f\x09\x23\xc2\x3c\x62\xf5\x3c\x57\xcd\xbf\x69\x1c";
  const char public_b[] =
      "\xd1\x73\x28\x99\xf6\x11\xcd\x89\x94\x03\x4d\x7f\x41\x3d\xc9\x57\x63\x0e"
      "\x54\x93\xc2\x85\xac\xa4\x00\x65\xcb\x63\x11\xbe\x69\x6b";
  const char public_c[] =
      "\xf4\x4d\xa3\x67\xa8\x8e\xe6\x56\x4f\x02\x02\x11\x45\x67\x27\x08\x2f\x5c"
      "\xeb\xee\x8b\x1b\xf5\xeb\x73\x37\x34\x1b\x45\x9b\x39\x22";
  const uint16_t listen_a = 20001;
  const uint16_t listen_b = 20002;
  const uint16_t listen_c = 20003;
  const uint16_t af_inet = AF_INET;
  const uint16_t af_inet6 = AF_INET6;
  const struct sockaddr_in endpoint_b_v4 = {
      .sin_family = AF_INET,
      .sin_port = htons(listen_b),
      .sin_addr = {htonl(INADDR_LOOPBACK)}};
  const struct sockaddr_in endpoint_c_v4 = {
      .sin_family = AF_INET,
      .sin_port = htons(listen_c),
      .sin_addr = {htonl(INADDR_LOOPBACK)}};
  struct sockaddr_in6 endpoint_a_v6 = {.sin6_family = AF_INET6,
                                       .sin6_port = htons(listen_a)};
  endpoint_a_v6.sin6_addr = in6addr_loopback;
  struct sockaddr_in6 endpoint_c_v6 = {.sin6_family = AF_INET6,
                                       .sin6_port = htons(listen_c)};
  endpoint_c_v6.sin6_addr = in6addr_loopback;
  const struct in_addr first_half_v4 = {0};
  const struct in_addr second_half_v4 = {(uint32_t)htonl(128 << 24)};
  const struct in6_addr first_half_v6 = {{{0}}};
  const struct in6_addr second_half_v6 = {{{0x80}}};
  const uint8_t half_cidr = 1;
  const uint16_t persistent_keepalives[] = {1, 3, 7, 9, 14, 19};
  struct genlmsghdr genlhdr = {.cmd = WG_CMD_SET_DEVICE, .version = 1};
  int sock;
  int id, err;
  sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock == -1) {
    return;
  }
  id = netlink_query_family_id(&nlmsg, sock, WG_GENL_NAME, true);
  if (id == -1)
    goto error;
  netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_a, strlen(ifname_a) + 1);
  netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_a, 32);
  netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_a, 2);
  netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_b, 32);
  netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_b_v4,
               sizeof(endpoint_b_v4));
  netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
               &persistent_keepalives[0], 2);
  netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
               sizeof(first_half_v4));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
               sizeof(first_half_v6));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_c, 32);
  netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_c_v6,
               sizeof(endpoint_c_v6));
  netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
               &persistent_keepalives[1], 2);
  netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
               sizeof(second_half_v4));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
               sizeof(second_half_v6));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  err = netlink_send(&nlmsg, sock);
  if (err < 0) {
  }
  netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_b, strlen(ifname_b) + 1);
  netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_b, 32);
  netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_b, 2);
  netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_a, 32);
  netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_a_v6,
               sizeof(endpoint_a_v6));
  netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
               &persistent_keepalives[2], 2);
  netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
               sizeof(first_half_v4));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
               sizeof(first_half_v6));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_c, 32);
  netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_c_v4,
               sizeof(endpoint_c_v4));
  netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
               &persistent_keepalives[3], 2);
  netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
               sizeof(second_half_v4));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
               sizeof(second_half_v6));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  err = netlink_send(&nlmsg, sock);
  if (err < 0) {
  }
  netlink_init(&nlmsg, id, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(&nlmsg, WGDEVICE_A_IFNAME, ifname_c, strlen(ifname_c) + 1);
  netlink_attr(&nlmsg, WGDEVICE_A_PRIVATE_KEY, private_c, 32);
  netlink_attr(&nlmsg, WGDEVICE_A_LISTEN_PORT, &listen_c, 2);
  netlink_nest(&nlmsg, NLA_F_NESTED | WGDEVICE_A_PEERS);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_a, 32);
  netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_a_v6,
               sizeof(endpoint_a_v6));
  netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
               &persistent_keepalives[4], 2);
  netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v4,
               sizeof(first_half_v4));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &first_half_v6,
               sizeof(first_half_v6));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGPEER_A_PUBLIC_KEY, public_b, 32);
  netlink_attr(&nlmsg, WGPEER_A_ENDPOINT, &endpoint_b_v4,
               sizeof(endpoint_b_v4));
  netlink_attr(&nlmsg, WGPEER_A_PERSISTENT_KEEPALIVE_INTERVAL,
               &persistent_keepalives[5], 2);
  netlink_nest(&nlmsg, NLA_F_NESTED | WGPEER_A_ALLOWEDIPS);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v4,
               sizeof(second_half_v4));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_nest(&nlmsg, NLA_F_NESTED | 0);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_FAMILY, &af_inet6, 2);
  netlink_attr(&nlmsg, WGALLOWEDIP_A_IPADDR, &second_half_v6,
               sizeof(second_half_v6));
  netlink_attr(&nlmsg, WGALLOWEDIP_A_CIDR_MASK, &half_cidr, 1);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  netlink_done(&nlmsg);
  err = netlink_send(&nlmsg, sock);
  if (err < 0) {
  }

error:
  close(sock);
}

static void initialize_netdevices(void)
{
  char netdevsim[16];
  sprintf(netdevsim, "netdevsim%d", (int)procid);
  struct {
    const char* type;
    const char* dev;
  } devtypes[] = {
      {"ip6gretap", "ip6gretap0"}, {"bridge", "bridge0"}, {"vcan", "vcan0"},
      {"bond", "bond0"},           {"team", "team0"},     {"dummy", "dummy0"},
      {"nlmon", "nlmon0"},         {"caif", "caif0"},     {"batadv", "batadv0"},
      {"vxcan", "vxcan1"},         {"veth", 0},           {"wireguard", "wg0"},
      {"wireguard", "wg1"},        {"wireguard", "wg2"},
  };
  const char* devmasters[] = {"bridge", "bond", "team", "batadv"};
  struct {
    const char* name;
    int macsize;
    bool noipv6;
  } devices[] = {
      {"lo", ETH_ALEN},
      {"sit0", 0},
      {"bridge0", ETH_ALEN},
      {"vcan0", 0, true},
      {"tunl0", 0},
      {"gre0", 0},
      {"gretap0", ETH_ALEN},
      {"ip_vti0", 0},
      {"ip6_vti0", 0},
      {"ip6tnl0", 0},
      {"ip6gre0", 0},
      {"ip6gretap0", ETH_ALEN},
      {"erspan0", ETH_ALEN},
      {"bond0", ETH_ALEN},
      {"veth0", ETH_ALEN},
      {"veth1", ETH_ALEN},
      {"team0", ETH_ALEN},
      {"veth0_to_bridge", ETH_ALEN},
      {"veth1_to_bridge", ETH_ALEN},
      {"veth0_to_bond", ETH_ALEN},
      {"veth1_to_bond", ETH_ALEN},
      {"veth0_to_team", ETH_ALEN},
      {"veth1_to_team", ETH_ALEN},
      {"veth0_to_hsr", ETH_ALEN},
      {"veth1_to_hsr", ETH_ALEN},
      {"hsr0", 0},
      {"dummy0", ETH_ALEN},
      {"nlmon0", 0},
      {"vxcan0", 0, true},
      {"vxcan1", 0, true},
      {"caif0", ETH_ALEN},
      {"batadv0", ETH_ALEN},
      {netdevsim, ETH_ALEN},
      {"xfrm0", ETH_ALEN},
      {"veth0_virt_wifi", ETH_ALEN},
      {"veth1_virt_wifi", ETH_ALEN},
      {"virt_wifi0", ETH_ALEN},
      {"veth0_vlan", ETH_ALEN},
      {"veth1_vlan", ETH_ALEN},
      {"vlan0", ETH_ALEN},
      {"vlan1", ETH_ALEN},
      {"macvlan0", ETH_ALEN},
      {"macvlan1", ETH_ALEN},
      {"ipvlan0", ETH_ALEN},
      {"ipvlan1", ETH_ALEN},
      {"veth0_macvtap", ETH_ALEN},
      {"veth1_macvtap", ETH_ALEN},
      {"macvtap0", ETH_ALEN},
      {"macsec0", ETH_ALEN},
      {"veth0_to_batadv", ETH_ALEN},
      {"veth1_to_batadv", ETH_ALEN},
      {"batadv_slave_0", ETH_ALEN},
      {"batadv_slave_1", ETH_ALEN},
      {"geneve0", ETH_ALEN},
      {"geneve1", ETH_ALEN},
      {"wg0", 0},
      {"wg1", 0},
      {"wg2", 0},
  };
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock == -1)
    exit(1);
  unsigned i;
  for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++)
    netlink_add_device(&nlmsg, sock, devtypes[i].type, devtypes[i].dev);
  for (i = 0; i < sizeof(devmasters) / (sizeof(devmasters[0])); i++) {
    char master[32], slave0[32], veth0[32], slave1[32], veth1[32];
    sprintf(slave0, "%s_slave_0", devmasters[i]);
    sprintf(veth0, "veth0_to_%s", devmasters[i]);
    netlink_add_veth(&nlmsg, sock, slave0, veth0);
    sprintf(slave1, "%s_slave_1", devmasters[i]);
    sprintf(veth1, "veth1_to_%s", devmasters[i]);
    netlink_add_veth(&nlmsg, sock, slave1, veth1);
    sprintf(master, "%s0", devmasters[i]);
    netlink_device_change(&nlmsg, sock, slave0, false, master, 0, 0, NULL);
    netlink_device_change(&nlmsg, sock, slave1, false, master, 0, 0, NULL);
  }
  netlink_add_xfrm(&nlmsg, sock, "xfrm0");
  netlink_device_change(&nlmsg, sock, "bridge_slave_0", true, 0, 0, 0, NULL);
  netlink_device_change(&nlmsg, sock, "bridge_slave_1", true, 0, 0, 0, NULL);
  netlink_add_veth(&nlmsg, sock, "hsr_slave_0", "veth0_to_hsr");
  netlink_add_veth(&nlmsg, sock, "hsr_slave_1", "veth1_to_hsr");
  netlink_add_hsr(&nlmsg, sock, "hsr0", "hsr_slave_0", "hsr_slave_1");
  netlink_device_change(&nlmsg, sock, "hsr_slave_0", true, 0, 0, 0, NULL);
  netlink_device_change(&nlmsg, sock, "hsr_slave_1", true, 0, 0, 0, NULL);
  netlink_add_veth(&nlmsg, sock, "veth0_virt_wifi", "veth1_virt_wifi");
  netlink_add_linked(&nlmsg, sock, "virt_wifi", "virt_wifi0",
                     "veth1_virt_wifi");
  netlink_add_veth(&nlmsg, sock, "veth0_vlan", "veth1_vlan");
  netlink_add_vlan(&nlmsg, sock, "vlan0", "veth0_vlan", 0, htons(ETH_P_8021Q));
  netlink_add_vlan(&nlmsg, sock, "vlan1", "veth0_vlan", 1, htons(ETH_P_8021AD));
  netlink_add_macvlan(&nlmsg, sock, "macvlan0", "veth1_vlan");
  netlink_add_macvlan(&nlmsg, sock, "macvlan1", "veth1_vlan");
  netlink_add_ipvlan(&nlmsg, sock, "ipvlan0", "veth0_vlan", IPVLAN_MODE_L2, 0);
  netlink_add_ipvlan(&nlmsg, sock, "ipvlan1", "veth0_vlan", IPVLAN_MODE_L3S,
                     IPVLAN_F_VEPA);
  netlink_add_veth(&nlmsg, sock, "veth0_macvtap", "veth1_macvtap");
  netlink_add_linked(&nlmsg, sock, "macvtap", "macvtap0", "veth0_macvtap");
  netlink_add_linked(&nlmsg, sock, "macsec", "macsec0", "veth1_macvtap");
  char addr[32];
  sprintf(addr, DEV_IPV4, 14 + 10);
  struct in_addr geneve_addr4;
  if (inet_pton(AF_INET, addr, &geneve_addr4) <= 0)
    exit(1);
  struct in6_addr geneve_addr6;
  if (inet_pton(AF_INET6, "fc00::01", &geneve_addr6) <= 0)
    exit(1);
  netlink_add_geneve(&nlmsg, sock, "geneve0", 0, &geneve_addr4, 0);
  netlink_add_geneve(&nlmsg, sock, "geneve1", 1, 0, &geneve_addr6);
  netdevsim_add((int)procid, 4);
  netlink_wireguard_setup();
  for (i = 0; i < sizeof(devices) / (sizeof(devices[0])); i++) {
    char addr[32];
    sprintf(addr, DEV_IPV4, i + 10);
    netlink_add_addr4(&nlmsg, sock, devices[i].name, addr);
    if (!devices[i].noipv6) {
      sprintf(addr, DEV_IPV6, i + 10);
      netlink_add_addr6(&nlmsg, sock, devices[i].name, addr);
    }
    uint64_t macaddr = DEV_MAC + ((i + 10ull) << 40);
    netlink_device_change(&nlmsg, sock, devices[i].name, true, 0, &macaddr,
                          devices[i].macsize, NULL);
  }
  close(sock);
}
static void initialize_netdevices_init(void)
{
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock == -1)
    exit(1);
  struct {
    const char* type;
    int macsize;
    bool noipv6;
    bool noup;
  } devtypes[] = {
      {"nr", 7, true},
      {"rose", 5, true, true},
  };
  unsigned i;
  for (i = 0; i < sizeof(devtypes) / sizeof(devtypes[0]); i++) {
    char dev[32], addr[32];
    sprintf(dev, "%s%d", devtypes[i].type, (int)procid);
    sprintf(addr, "172.30.%d.%d", i, (int)procid + 1);
    netlink_add_addr4(&nlmsg, sock, dev, addr);
    if (!devtypes[i].noipv6) {
      sprintf(addr, "fe88::%02x:%02x", i, (int)procid + 1);
      netlink_add_addr6(&nlmsg, sock, dev, addr);
    }
    int macsize = devtypes[i].macsize;
    uint64_t macaddr = 0xbbbbbb +
                       ((unsigned long long)i << (8 * (macsize - 2))) +
                       (procid << (8 * (macsize - 1)));
    netlink_device_change(&nlmsg, sock, dev, !devtypes[i].noup, 0, &macaddr,
                          macsize, NULL);
  }
  close(sock);
}

static int read_tun(char* data, int size)
{
  if (tunfd < 0)
    return -1;
  int rv = read(tunfd, data, size);
  if (rv < 0) {
    if (errno == EAGAIN || errno == EBADF || errno == EBADFD)
      return -1;
    exit(1);
  }
  return rv;
}

static void flush_tun()
{
  char data[1000];
  while (read_tun(&data[0], sizeof(data)) != -1) {
  }
}

#define MAX_FDS 30

#define BTPROTO_HCI 1
#define ACL_LINK 1
#define SCAN_PAGE 2

typedef struct {
  uint8_t b[6];
} __attribute__((packed)) bdaddr_t;

#define HCI_COMMAND_PKT 1
#define HCI_EVENT_PKT 4
#define HCI_VENDOR_PKT 0xff

struct hci_command_hdr {
  uint16_t opcode;
  uint8_t plen;
} __attribute__((packed));

struct hci_event_hdr {
  uint8_t evt;
  uint8_t plen;
} __attribute__((packed));

#define HCI_EV_CONN_COMPLETE 0x03
struct hci_ev_conn_complete {
  uint8_t status;
  uint16_t handle;
  bdaddr_t bdaddr;
  uint8_t link_type;
  uint8_t encr_mode;
} __attribute__((packed));

#define HCI_EV_CONN_REQUEST 0x04
struct hci_ev_conn_request {
  bdaddr_t bdaddr;
  uint8_t dev_class[3];
  uint8_t link_type;
} __attribute__((packed));

#define HCI_EV_REMOTE_FEATURES 0x0b
struct hci_ev_remote_features {
  uint8_t status;
  uint16_t handle;
  uint8_t features[8];
} __attribute__((packed));

#define HCI_EV_CMD_COMPLETE 0x0e
struct hci_ev_cmd_complete {
  uint8_t ncmd;
  uint16_t opcode;
} __attribute__((packed));

#define HCI_OP_WRITE_SCAN_ENABLE 0x0c1a

#define HCI_OP_READ_BUFFER_SIZE 0x1005
struct hci_rp_read_buffer_size {
  uint8_t status;
  uint16_t acl_mtu;
  uint8_t sco_mtu;
  uint16_t acl_max_pkt;
  uint16_t sco_max_pkt;
} __attribute__((packed));

#define HCI_OP_READ_BD_ADDR 0x1009
struct hci_rp_read_bd_addr {
  uint8_t status;
  bdaddr_t bdaddr;
} __attribute__((packed));

#define HCI_EV_LE_META 0x3e
struct hci_ev_le_meta {
  uint8_t subevent;
} __attribute__((packed));

#define HCI_EV_LE_CONN_COMPLETE 0x01
struct hci_ev_le_conn_complete {
  uint8_t status;
  uint16_t handle;
  uint8_t role;
  uint8_t bdaddr_type;
  bdaddr_t bdaddr;
  uint16_t interval;
  uint16_t latency;
  uint16_t supervision_timeout;
  uint8_t clk_accurancy;
} __attribute__((packed));

struct hci_dev_req {
  uint16_t dev_id;
  uint32_t dev_opt;
};

struct vhci_vendor_pkt_request {
  uint8_t type;
  uint8_t opcode;
} __attribute__((packed));

struct vhci_pkt {
  uint8_t type;
  union {
    struct {
      uint8_t opcode;
      uint16_t id;
    } __attribute__((packed)) vendor_pkt;
    struct hci_command_hdr command_hdr;
  };
} __attribute__((packed));

#define HCIDEVUP _IOW('H', 201, int)
#define HCISETSCAN _IOW('H', 221, int)

static int vhci_fd = -1;

static void rfkill_unblock_all()
{
  int fd = open("/dev/rfkill", O_WRONLY);
  if (fd < 0)
    exit(1);
  struct rfkill_event event = {0};
  event.idx = 0;
  event.type = RFKILL_TYPE_ALL;
  event.op = RFKILL_OP_CHANGE_ALL;
  event.soft = 0;
  event.hard = 0;
  if (write(fd, &event, sizeof(event)) < 0)
    exit(1);
  close(fd);
}

static void hci_send_event_packet(int fd, uint8_t evt, void* data,
                                  size_t data_len)
{
  struct iovec iv[3];
  struct hci_event_hdr hdr;
  hdr.evt = evt;
  hdr.plen = data_len;
  uint8_t type = HCI_EVENT_PKT;
  iv[0].iov_base = &type;
  iv[0].iov_len = sizeof(type);
  iv[1].iov_base = &hdr;
  iv[1].iov_len = sizeof(hdr);
  iv[2].iov_base = data;
  iv[2].iov_len = data_len;
  if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
    exit(1);
}

static void hci_send_event_cmd_complete(int fd, uint16_t opcode, void* data,
                                        size_t data_len)
{
  struct iovec iv[4];
  struct hci_event_hdr hdr;
  hdr.evt = HCI_EV_CMD_COMPLETE;
  hdr.plen = sizeof(struct hci_ev_cmd_complete) + data_len;
  struct hci_ev_cmd_complete evt_hdr;
  evt_hdr.ncmd = 1;
  evt_hdr.opcode = opcode;
  uint8_t type = HCI_EVENT_PKT;
  iv[0].iov_base = &type;
  iv[0].iov_len = sizeof(type);
  iv[1].iov_base = &hdr;
  iv[1].iov_len = sizeof(hdr);
  iv[2].iov_base = &evt_hdr;
  iv[2].iov_len = sizeof(evt_hdr);
  iv[3].iov_base = data;
  iv[3].iov_len = data_len;
  if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
    exit(1);
}

static bool process_command_pkt(int fd, char* buf, ssize_t buf_size)
{
  struct hci_command_hdr* hdr = (struct hci_command_hdr*)buf;
  if (buf_size < (ssize_t)sizeof(struct hci_command_hdr) ||
      hdr->plen != buf_size - sizeof(struct hci_command_hdr))
    exit(1);
  switch (hdr->opcode) {
  case HCI_OP_WRITE_SCAN_ENABLE: {
    uint8_t status = 0;
    hci_send_event_cmd_complete(fd, hdr->opcode, &status, sizeof(status));
    return true;
  }
  case HCI_OP_READ_BD_ADDR: {
    struct hci_rp_read_bd_addr rp = {0};
    rp.status = 0;
    memset(&rp.bdaddr, 0xaa, 6);
    hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
    return false;
  }
  case HCI_OP_READ_BUFFER_SIZE: {
    struct hci_rp_read_buffer_size rp = {0};
    rp.status = 0;
    rp.acl_mtu = 1021;
    rp.sco_mtu = 96;
    rp.acl_max_pkt = 4;
    rp.sco_max_pkt = 6;
    hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
    return false;
  }
  }
  char dummy[0xf9] = {0};
  hci_send_event_cmd_complete(fd, hdr->opcode, dummy, sizeof(dummy));
  return false;
}

static void* event_thread(void* arg)
{
  while (1) {
    char buf[1024] = {0};
    ssize_t buf_size = read(vhci_fd, buf, sizeof(buf));
    if (buf_size < 0)
      exit(1);
    if (buf_size > 0 && buf[0] == HCI_COMMAND_PKT) {
      if (process_command_pkt(vhci_fd, buf + 1, buf_size - 1))
        break;
    }
  }
  return NULL;
}
#define HCI_HANDLE_1 200
#define HCI_HANDLE_2 201

#define HCI_PRIMARY 0
#define HCI_OP_RESET 0x0c03

static void initialize_vhci()
{
  int hci_sock = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
  if (hci_sock < 0)
    exit(1);
  vhci_fd = open("/dev/vhci", O_RDWR);
  if (vhci_fd == -1)
    exit(1);
  const int kVhciFd = 202;
  if (dup2(vhci_fd, kVhciFd) < 0)
    exit(1);
  close(vhci_fd);
  vhci_fd = kVhciFd;
  struct vhci_vendor_pkt_request vendor_pkt_req = {HCI_VENDOR_PKT, HCI_PRIMARY};
  if (write(vhci_fd, &vendor_pkt_req, sizeof(vendor_pkt_req)) !=
      sizeof(vendor_pkt_req))
    exit(1);
  struct vhci_pkt vhci_pkt;
  if (read(vhci_fd, &vhci_pkt, sizeof(vhci_pkt)) != sizeof(vhci_pkt))
    exit(1);
  if (vhci_pkt.type == HCI_COMMAND_PKT &&
      vhci_pkt.command_hdr.opcode == HCI_OP_RESET) {
    char response[1] = {0};
    hci_send_event_cmd_complete(vhci_fd, HCI_OP_RESET, response,
                                sizeof(response));
    if (read(vhci_fd, &vhci_pkt, sizeof(vhci_pkt)) != sizeof(vhci_pkt))
      exit(1);
  }
  if (vhci_pkt.type != HCI_VENDOR_PKT)
    exit(1);
  int dev_id = vhci_pkt.vendor_pkt.id;
  pthread_t th;
  if (pthread_create(&th, NULL, event_thread, NULL))
    exit(1);
  int ret = ioctl(hci_sock, HCIDEVUP, dev_id);
  if (ret) {
    if (errno == ERFKILL) {
      rfkill_unblock_all();
      ret = ioctl(hci_sock, HCIDEVUP, dev_id);
    }
    if (ret && errno != EALREADY)
      exit(1);
  }
  struct hci_dev_req dr = {0};
  dr.dev_id = dev_id;
  dr.dev_opt = SCAN_PAGE;
  if (ioctl(hci_sock, HCISETSCAN, &dr))
    exit(1);
  struct hci_ev_conn_request request;
  memset(&request, 0, sizeof(request));
  memset(&request.bdaddr, 0xaa, 6);
  *(uint8_t*)&request.bdaddr.b[5] = 0x10;
  request.link_type = ACL_LINK;
  hci_send_event_packet(vhci_fd, HCI_EV_CONN_REQUEST, &request,
                        sizeof(request));
  struct hci_ev_conn_complete complete;
  memset(&complete, 0, sizeof(complete));
  complete.status = 0;
  complete.handle = HCI_HANDLE_1;
  memset(&complete.bdaddr, 0xaa, 6);
  *(uint8_t*)&complete.bdaddr.b[5] = 0x10;
  complete.link_type = ACL_LINK;
  complete.encr_mode = 0;
  hci_send_event_packet(vhci_fd, HCI_EV_CONN_COMPLETE, &complete,
                        sizeof(complete));
  struct hci_ev_remote_features features;
  memset(&features, 0, sizeof(features));
  features.status = 0;
  features.handle = HCI_HANDLE_1;
  hci_send_event_packet(vhci_fd, HCI_EV_REMOTE_FEATURES, &features,
                        sizeof(features));
  struct {
    struct hci_ev_le_meta le_meta;
    struct hci_ev_le_conn_complete le_conn;
  } le_conn;
  memset(&le_conn, 0, sizeof(le_conn));
  le_conn.le_meta.subevent = HCI_EV_LE_CONN_COMPLETE;
  memset(&le_conn.le_conn.bdaddr, 0xaa, 6);
  *(uint8_t*)&le_conn.le_conn.bdaddr.b[5] = 0x11;
  le_conn.le_conn.role = 1;
  le_conn.le_conn.handle = HCI_HANDLE_2;
  hci_send_event_packet(vhci_fd, HCI_EV_LE_META, &le_conn, sizeof(le_conn));
  pthread_join(th, NULL);
  close(hci_sock);
}

//% 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 XT_TABLE_SIZE 1536
#define XT_MAX_ENTRIES 10

struct xt_counters {
  uint64_t pcnt, bcnt;
};

struct ipt_getinfo {
  char name[32];
  unsigned int valid_hooks;
  unsigned int hook_entry[5];
  unsigned int underflow[5];
  unsigned int num_entries;
  unsigned int size;
};

struct ipt_get_entries {
  char name[32];
  unsigned int size;
  uint64_t entrytable[XT_TABLE_SIZE / sizeof(uint64_t)];
};

struct ipt_replace {
  char name[32];
  unsigned int valid_hooks;
  unsigned int num_entries;
  unsigned int size;
  unsigned int hook_entry[5];
  unsigned int underflow[5];
  unsigned int num_counters;
  struct xt_counters* counters;
  uint64_t entrytable[XT_TABLE_SIZE / sizeof(uint64_t)];
};

struct ipt_table_desc {
  const char* name;
  struct ipt_getinfo info;
  struct ipt_replace replace;
};

static struct ipt_table_desc ipv4_tables[] = {
    {.name = "filter"}, {.name = "nat"},      {.name = "mangle"},
    {.name = "raw"},    {.name = "security"},
};

static struct ipt_table_desc ipv6_tables[] = {
    {.name = "filter"}, {.name = "nat"},      {.name = "mangle"},
    {.name = "raw"},    {.name = "security"},
};

#define IPT_BASE_CTL 64
#define IPT_SO_SET_REPLACE (IPT_BASE_CTL)
#define IPT_SO_GET_INFO (IPT_BASE_CTL)
#define IPT_SO_GET_ENTRIES (IPT_BASE_CTL + 1)

struct arpt_getinfo {
  char name[32];
  unsigned int valid_hooks;
  unsigned int hook_entry[3];
  unsigned int underflow[3];
  unsigned int num_entries;
  unsigned int size;
};

struct arpt_get_entries {
  char name[32];
  unsigned int size;
  uint64_t entrytable[XT_TABLE_SIZE / sizeof(uint64_t)];
};

struct arpt_replace {
  char name[32];
  unsigned int valid_hooks;
  unsigned int num_entries;
  unsigned int size;
  unsigned int hook_entry[3];
  unsigned int underflow[3];
  unsigned int num_counters;
  struct xt_counters* counters;
  uint64_t entrytable[XT_TABLE_SIZE / sizeof(uint64_t)];
};

struct arpt_table_desc {
  const char* name;
  struct arpt_getinfo info;
  struct arpt_replace replace;
};

static struct arpt_table_desc arpt_tables[] = {
    {.name = "filter"},
};

#define ARPT_BASE_CTL 96
#define ARPT_SO_SET_REPLACE (ARPT_BASE_CTL)
#define ARPT_SO_GET_INFO (ARPT_BASE_CTL)
#define ARPT_SO_GET_ENTRIES (ARPT_BASE_CTL + 1)

static void checkpoint_iptables(struct ipt_table_desc* tables, int num_tables,
                                int family, int level)
{
  int fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
  if (fd == -1) {
    switch (errno) {
    case EAFNOSUPPORT:
    case ENOPROTOOPT:
    case ENOENT:
      return;
    }
    exit(1);
  }
  for (int i = 0; i < num_tables; i++) {
    struct ipt_table_desc* table = &tables[i];
    strcpy(table->info.name, table->name);
    strcpy(table->replace.name, table->name);
    socklen_t optlen = sizeof(table->info);
    if (getsockopt(fd, level, IPT_SO_GET_INFO, &table->info, &optlen)) {
      switch (errno) {
      case EPERM:
      case ENOENT:
      case ENOPROTOOPT:
        continue;
      }
      exit(1);
    }
    if (table->info.size > sizeof(table->replace.entrytable))
      exit(1);
    if (table->info.num_entries > XT_MAX_ENTRIES)
      exit(1);
    struct ipt_get_entries entries;
    memset(&entries, 0, sizeof(entries));
    strcpy(entries.name, table->name);
    entries.size = table->info.size;
    optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
    if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
      exit(1);
    table->replace.valid_hooks = table->info.valid_hooks;
    table->replace.num_entries = table->info.num_entries;
    table->replace.size = table->info.size;
    memcpy(table->replace.hook_entry, table->info.hook_entry,
           sizeof(table->replace.hook_entry));
    memcpy(table->replace.underflow, table->info.underflow,
           sizeof(table->replace.underflow));
    memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
  }
  close(fd);
}

static void reset_iptables(struct ipt_table_desc* tables, int num_tables,
                           int family, int level)
{
  int fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
  if (fd == -1) {
    switch (errno) {
    case EAFNOSUPPORT:
    case ENOPROTOOPT:
    case ENOENT:
      return;
    }
    exit(1);
  }
  for (int i = 0; i < num_tables; i++) {
    struct ipt_table_desc* table = &tables[i];
    if (table->info.valid_hooks == 0)
      continue;
    struct ipt_getinfo info;
    memset(&info, 0, sizeof(info));
    strcpy(info.name, table->name);
    socklen_t optlen = sizeof(info);
    if (getsockopt(fd, level, IPT_SO_GET_INFO, &info, &optlen))
      exit(1);
    if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
      struct ipt_get_entries entries;
      memset(&entries, 0, sizeof(entries));
      strcpy(entries.name, table->name);
      entries.size = table->info.size;
      optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
      if (getsockopt(fd, level, IPT_SO_GET_ENTRIES, &entries, &optlen))
        exit(1);
      if (memcmp(table->replace.entrytable, entries.entrytable,
                 table->info.size) == 0)
        continue;
    }
    struct xt_counters counters[XT_MAX_ENTRIES];
    table->replace.num_counters = info.num_entries;
    table->replace.counters = counters;
    optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
             table->replace.size;
    if (setsockopt(fd, level, IPT_SO_SET_REPLACE, &table->replace, optlen))
      exit(1);
  }
  close(fd);
}

static void checkpoint_arptables(void)
{
  int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
  if (fd == -1) {
    switch (errno) {
    case EAFNOSUPPORT:
    case ENOPROTOOPT:
    case ENOENT:
      return;
    }
    exit(1);
  }
  for (unsigned i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
    struct arpt_table_desc* table = &arpt_tables[i];
    strcpy(table->info.name, table->name);
    strcpy(table->replace.name, table->name);
    socklen_t optlen = sizeof(table->info);
    if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &table->info, &optlen)) {
      switch (errno) {
      case EPERM:
      case ENOENT:
      case ENOPROTOOPT:
        continue;
      }
      exit(1);
    }
    if (table->info.size > sizeof(table->replace.entrytable))
      exit(1);
    if (table->info.num_entries > XT_MAX_ENTRIES)
      exit(1);
    struct arpt_get_entries entries;
    memset(&entries, 0, sizeof(entries));
    strcpy(entries.name, table->name);
    entries.size = table->info.size;
    optlen = sizeof(entries) - sizeof(entries.entrytable) + table->info.size;
    if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
      exit(1);
    table->replace.valid_hooks = table->info.valid_hooks;
    table->replace.num_entries = table->info.num_entries;
    table->replace.size = table->info.size;
    memcpy(table->replace.hook_entry, table->info.hook_entry,
           sizeof(table->replace.hook_entry));
    memcpy(table->replace.underflow, table->info.underflow,
           sizeof(table->replace.underflow));
    memcpy(table->replace.entrytable, entries.entrytable, table->info.size);
  }
  close(fd);
}

static void reset_arptables()
{
  int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
  if (fd == -1) {
    switch (errno) {
    case EAFNOSUPPORT:
    case ENOPROTOOPT:
    case ENOENT:
      return;
    }
    exit(1);
  }
  for (unsigned i = 0; i < sizeof(arpt_tables) / sizeof(arpt_tables[0]); i++) {
    struct arpt_table_desc* table = &arpt_tables[i];
    if (table->info.valid_hooks == 0)
      continue;
    struct arpt_getinfo info;
    memset(&info, 0, sizeof(info));
    strcpy(info.name, table->name);
    socklen_t optlen = sizeof(info);
    if (getsockopt(fd, SOL_IP, ARPT_SO_GET_INFO, &info, &optlen))
      exit(1);
    if (memcmp(&table->info, &info, sizeof(table->info)) == 0) {
      struct arpt_get_entries entries;
      memset(&entries, 0, sizeof(entries));
      strcpy(entries.name, table->name);
      entries.size = table->info.size;
      optlen = sizeof(entries) - sizeof(entries.entrytable) + entries.size;
      if (getsockopt(fd, SOL_IP, ARPT_SO_GET_ENTRIES, &entries, &optlen))
        exit(1);
      if (memcmp(table->replace.entrytable, entries.entrytable,
                 table->info.size) == 0)
        continue;
    } else {
    }
    struct xt_counters counters[XT_MAX_ENTRIES];
    table->replace.num_counters = info.num_entries;
    table->replace.counters = counters;
    optlen = sizeof(table->replace) - sizeof(table->replace.entrytable) +
             table->replace.size;
    if (setsockopt(fd, SOL_IP, ARPT_SO_SET_REPLACE, &table->replace, optlen))
      exit(1);
  }
  close(fd);
}

#define NF_BR_NUMHOOKS 6
#define EBT_TABLE_MAXNAMELEN 32
#define EBT_CHAIN_MAXNAMELEN 32
#define EBT_BASE_CTL 128
#define EBT_SO_SET_ENTRIES (EBT_BASE_CTL)
#define EBT_SO_GET_INFO (EBT_BASE_CTL)
#define EBT_SO_GET_ENTRIES (EBT_SO_GET_INFO + 1)
#define EBT_SO_GET_INIT_INFO (EBT_SO_GET_ENTRIES + 1)
#define EBT_SO_GET_INIT_ENTRIES (EBT_SO_GET_INIT_INFO + 1)

struct ebt_replace {
  char name[EBT_TABLE_MAXNAMELEN];
  unsigned int valid_hooks;
  unsigned int nentries;
  unsigned int entries_size;
  struct ebt_entries* hook_entry[NF_BR_NUMHOOKS];
  unsigned int num_counters;
  struct ebt_counter* counters;
  char* entries;
};

struct ebt_entries {
  unsigned int distinguisher;
  char name[EBT_CHAIN_MAXNAMELEN];
  unsigned int counter_offset;
  int policy;
  unsigned int nentries;
  char data[0] __attribute__((aligned(__alignof__(struct ebt_replace))));
};

struct ebt_table_desc {
  const char* name;
  struct ebt_replace replace;
  char entrytable[XT_TABLE_SIZE];
};

static struct ebt_table_desc ebt_tables[] = {
    {.name = "filter"},
    {.name = "nat"},
    {.name = "broute"},
};

static void checkpoint_ebtables(void)
{
  int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
  if (fd == -1) {
    switch (errno) {
    case EAFNOSUPPORT:
    case ENOPROTOOPT:
    case ENOENT:
      return;
    }
    exit(1);
  }
  for (size_t i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
    struct ebt_table_desc* table = &ebt_tables[i];
    strcpy(table->replace.name, table->name);
    socklen_t optlen = sizeof(table->replace);
    if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_INFO, &table->replace,
                   &optlen)) {
      switch (errno) {
      case EPERM:
      case ENOENT:
      case ENOPROTOOPT:
        continue;
      }
      exit(1);
    }
    if (table->replace.entries_size > sizeof(table->entrytable))
      exit(1);
    table->replace.num_counters = 0;
    table->replace.entries = table->entrytable;
    optlen = sizeof(table->replace) + table->replace.entries_size;
    if (getsockopt(fd, SOL_IP, EBT_SO_GET_INIT_ENTRIES, &table->replace,
                   &optlen))
      exit(1);
  }
  close(fd);
}

static void reset_ebtables()
{
  int fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
  if (fd == -1) {
    switch (errno) {
    case EAFNOSUPPORT:
    case ENOPROTOOPT:
    case ENOENT:
      return;
    }
    exit(1);
  }
  for (unsigned i = 0; i < sizeof(ebt_tables) / sizeof(ebt_tables[0]); i++) {
    struct ebt_table_desc* table = &ebt_tables[i];
    if (table->replace.valid_hooks == 0)
      continue;
    struct ebt_replace replace;
    memset(&replace, 0, sizeof(replace));
    strcpy(replace.name, table->name);
    socklen_t optlen = sizeof(replace);
    if (getsockopt(fd, SOL_IP, EBT_SO_GET_INFO, &replace, &optlen))
      exit(1);
    replace.num_counters = 0;
    table->replace.entries = 0;
    for (unsigned h = 0; h < NF_BR_NUMHOOKS; h++)
      table->replace.hook_entry[h] = 0;
    if (memcmp(&table->replace, &replace, sizeof(table->replace)) == 0) {
      char entrytable[XT_TABLE_SIZE];
      memset(&entrytable, 0, sizeof(entrytable));
      replace.entries = entrytable;
      optlen = sizeof(replace) + replace.entries_size;
      if (getsockopt(fd, SOL_IP, EBT_SO_GET_ENTRIES, &replace, &optlen))
        exit(1);
      if (memcmp(table->entrytable, entrytable, replace.entries_size) == 0)
        continue;
    }
    for (unsigned j = 0, h = 0; h < NF_BR_NUMHOOKS; h++) {
      if (table->replace.valid_hooks & (1 << h)) {
        table->replace.hook_entry[h] =
            (struct ebt_entries*)table->entrytable + j;
        j++;
      }
    }
    table->replace.entries = table->entrytable;
    optlen = sizeof(table->replace) + table->replace.entries_size;
    if (setsockopt(fd, SOL_IP, EBT_SO_SET_ENTRIES, &table->replace, optlen))
      exit(1);
  }
  close(fd);
}

static void checkpoint_net_namespace(void)
{
  checkpoint_ebtables();
  checkpoint_arptables();
  checkpoint_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
                      AF_INET, SOL_IP);
  checkpoint_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
                      AF_INET6, SOL_IPV6);
}

static void reset_net_namespace(void)
{
  reset_ebtables();
  reset_arptables();
  reset_iptables(ipv4_tables, sizeof(ipv4_tables) / sizeof(ipv4_tables[0]),
                 AF_INET, SOL_IP);
  reset_iptables(ipv6_tables, sizeof(ipv6_tables) / sizeof(ipv6_tables[0]),
                 AF_INET6, SOL_IPV6);
}

static void mount_cgroups(const char* dir, const char** controllers, int count)
{
  if (mkdir(dir, 0777)) {
    return;
  }
  char enabled[128] = {0};
  int i = 0;
  for (; i < count; i++) {
    if (mount("none", dir, "cgroup", 0, controllers[i])) {
      continue;
    }
    umount(dir);
    strcat(enabled, ",");
    strcat(enabled, controllers[i]);
  }
  if (enabled[0] == 0) {
    if (rmdir(dir) && errno != EBUSY)
      exit(1);
    return;
  }
  if (mount("none", dir, "cgroup", 0, enabled + 1)) {
    if (rmdir(dir) && errno != EBUSY)
      exit(1);
  }
  if (chmod(dir, 0777)) {
  }
}

static void mount_cgroups2(const char** controllers, int count)
{
  if (mkdir("/syzcgroup/unified", 0777)) {
    return;
  }
  if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) {
    if (rmdir("/syzcgroup/unified") && errno != EBUSY)
      exit(1);
    return;
  }
  if (chmod("/syzcgroup/unified", 0777)) {
  }
  int control = open("/syzcgroup/unified/cgroup.subtree_control", O_WRONLY);
  if (control == -1)
    return;
  int i;
  for (i = 0; i < count; i++)
    if (write(control, controllers[i], strlen(controllers[i])) < 0) {
    }
  close(control);
}

static void setup_cgroups()
{
  const char* unified_controllers[] = {"+cpu", "+io", "+pids"};
  const char* net_controllers[] = {"net", "net_prio", "devices", "blkio",
                                   "freezer"};
  const char* cpu_controllers[] = {"cpuset", "cpuacct", "hugetlb", "rlimit",
                                   "memory"};
  if (mkdir("/syzcgroup", 0777)) {
    return;
  }
  mount_cgroups2(unified_controllers,
                 sizeof(unified_controllers) / sizeof(unified_controllers[0]));
  mount_cgroups("/syzcgroup/net", net_controllers,
                sizeof(net_controllers) / sizeof(net_controllers[0]));
  mount_cgroups("/syzcgroup/cpu", cpu_controllers,
                sizeof(cpu_controllers) / sizeof(cpu_controllers[0]));
  write_file("/syzcgroup/cpu/cgroup.clone_children", "1");
  write_file("/syzcgroup/cpu/cpuset.memory_pressure_enabled", "1");
}

static void setup_cgroups_loop()
{
  int pid = getpid();
  char file[128];
  char cgroupdir[64];
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/pids.max", cgroupdir);
  write_file(file, "32");
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
  snprintf(file, sizeof(file), "%s/memory.soft_limit_in_bytes", cgroupdir);
  write_file(file, "%d", 299 << 20);
  snprintf(file, sizeof(file), "%s/memory.limit_in_bytes", cgroupdir);
  write_file(file, "%d", 300 << 20);
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
}

static void setup_cgroups_test()
{
  char cgroupdir[64];
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup")) {
  }
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup.cpu")) {
  }
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup.net")) {
  }
}

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

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

static void loop();

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

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

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

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

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

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);
  }
  reset_net_namespace();
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  setup_cgroups_test();
  write_file("/proc/self/oom_score_adj", "1000");
  flush_tun();
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

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

static void setup_binfmt_misc()
{
  if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) {
    return;
  }
  if (!write_file("/proc/sys/fs/binfmt_misc/register",
                  ":syz0:M:0:\x01::./file0:") ||
      !write_file("/proc/sys/fs/binfmt_misc/register",
                  ":syz1:M:1:\x02::./file0:POC"))
    exit(1);
}

static void setup_usb()
{
  if (chmod("/dev/raw-gadget", 0666))
    exit(1);
}

static void setup_sysctl()
{
  char mypid[32];
  snprintf(mypid, sizeof(mypid), "%d", getpid());
  struct {
    const char* name;
    const char* data;
  } files[] = {
      {"/sys/kernel/debug/x86/nmi_longest_ns", "10000000000"},
      {"/proc/sys/kernel/hung_task_check_interval_secs", "20"},
      {"/proc/sys/net/core/bpf_jit_kallsyms", "1"},
      {"/proc/sys/net/core/bpf_jit_harden", "0"},
      {"/proc/sys/kernel/kptr_restrict", "0"},
      {"/proc/sys/kernel/softlockup_all_cpu_backtrace", "1"},
      {"/proc/sys/fs/mount-max", "100"},
      {"/proc/sys/vm/oom_dump_tasks", "0"},
      {"/proc/sys/debug/exception-trace", "0"},
      {"/proc/sys/kernel/printk", "7 4 1 3"},
      {"/proc/sys/kernel/keys/gc_delay", "1"},
      {"/proc/sys/vm/oom_kill_allocating_task", "1"},
      {"/proc/sys/kernel/ctrl-alt-del", "0"},
      {"/proc/sys/kernel/cad_pid", mypid},
  };
  for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].name, files[i].data))
      printf("write to %s failed: %s\n", files[i].name, strerror(errno));
  }
}

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

static void setup_802154()
{
  int sock_route = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock_route == -1)
    exit(1);
  int sock_generic = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock_generic < 0)
    exit(1);
  int nl802154_family_id =
      netlink_query_family_id(&nlmsg, sock_generic, "nl802154", true);
  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));
    int err = netlink_send(&nlmsg, sock_generic);
    if (err < 0)
      exit(1);
    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));
      int err = netlink_send(&nlmsg, sock_route);
      if (err < 0)
        exit(1);
    }
  }
  close(sock_route);
  close(sock_generic);
}

#define SWAP_FILE "./swap-file"
#define SWAP_FILE_SIZE (128 * 1000 * 1000)

static void setup_swap()
{
  swapoff(SWAP_FILE);
  unlink(SWAP_FILE);
  int fd = open(SWAP_FILE, O_CREAT | O_WRONLY | O_CLOEXEC, 0600);
  if (fd == -1)
    exit(1);
  fallocate(fd, FALLOC_FL_ZERO_RANGE, 0, SWAP_FILE_SIZE);
  close(fd);
  char cmdline[64];
  sprintf(cmdline, "mkswap %s", SWAP_FILE);
  if (runcmdline(cmdline))
    exit(1);
  if (swapon(SWAP_FILE, SWAP_FLAG_PREFER) == 1)
    exit(1);
}

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 < 9; 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 == 1 ? 4000 : 0) +
                                     (call == 4 ? 4000 : 0) +
                                     (call == 8 ? 4000 : 0));
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
  close_fds();
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  setup_loop();
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

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

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    NONFAILING(*(uint32_t*)0x200000c0 = -1);
    NONFAILING(*(uint64_t*)0x200000c8 = 0);
    NONFAILING(*(uint64_t*)0x200000d0 = 0);
    NONFAILING(*(uint64_t*)0x200000d8 = 0);
    syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0x200000c0ul, /*size=*/0x20ul);
    break;
  case 1:
    NONFAILING(memcpy((void*)0x20000080, "nilfs2\000", 7));
    NONFAILING(memcpy((void*)0x20000040, "./file2\000", 8));
    NONFAILING(memcpy(
        (void*)0x20001c80,
        "\x78\x9c\xec\xdd\x4d\x8c\x5b\x47\xe1\x00\xf0\x79\xde\xf5\x26\x9b\xa4"
        "\xff\x38\xfd\x27\x74\x49\x42\x9b\xf0\xd1\x96\x8f\xee\x36\x9b\x25\x7c"
        "\x44\xd0\x54\xcd\x85\xa8\xa9\xb8\x55\xaa\xb8\x44\x69\x5a\x22\xd2\x80"
        "\x48\x25\x68\x55\x89\x24\x27\x6e\xb4\xaa\xc2\x95\x0f\x71\x2a\x87\x0a"
        "\x10\x52\x7b\x41\x51\x4f\x5c\x2a\xd1\x48\x5c\x7a\x2a\x1c\x38\x10\x05"
        "\xa9\x12\x07\x28\x24\x46\xb1\x67\xbc\xf6\xac\xad\x67\xef\x97\xed\xf5"
        "\xef\x27\xcd\x8e\xe7\xcd\xb3\x67\xde\xdb\xe7\xe7\xf7\x35\x33\x01\x98"
        "\x58\x95\xc6\xdf\xa5\xa5\xb9\x22\x84\x6b\x6f\xbf\x7e\xf2\xef\x0f\xfe"
        "\x6d\xf6\xee\x94\xc7\x5a\x73\xd4\x1a\x7f\xa7\xdb\x52\xd5\x10\x42\x11"
        "\xd3\xd3\xd9\xe7\x7d\x30\xd5\x8c\x6f\x7f\xf8\xca\xd9\x6e\x71\x11\x16"
        "\x1b\x7f\x53\x3a\x3c\x75\xab\xf5\xde\x9d\x21\x84\xcb\xe1\x50\xb8\x1e"
        "\x6a\x61\xff\xb5\x1b\xaf\xbd\xbb\xf8\xe4\xe9\x2b\xa7\xae\x1e\x7e\xef"
        "\x8d\xe3\x37\x37\x66\xe9\x01\x00\x60\xb2\x7c\xf3\xfa\xf1\xa5\x7d\x7f"
        "\xf9\xd3\x81\x3d\x1f\xbd\x79\xff\x89\xb0\xad\x35\x3d\x1d\x9f\xd7\x62"
        "\x7a\x57\x3c\xee\x3f\x11\x0f\xfc\xd3\xf1\x7f\x25\x74\xa6\x8b\xb6\xd0"
        "\x6e\x26\x9b\x6f\x3a\x86\x4a\x36\xdf\x54\x97\xf9\xda\xcb\xa9\x66\xf3"
        "\x4d\xf7\x28\x7f\x26\xfb\xdc\x6a\x2b\xff\x40\xc7\x7c\xdb\x4a\xca\x9f"
        "\x6a\x9b\xd6\x6d\xb9\x61\x9c\xa5\xed\xb8\x16\x8a\xca\x7c\x47\xba\x52"
        "\x99\x9f\x6f\x9e\x93\x87\xc6\x79\xfd\x4c\x31\x7f\xf1\xfc\x85\xe7\x2e"
        "\x0d\xa9\xa2\xc0\xba\xfb\xe7\x03\x21\x84\x43\xc2\xa0\xa1\x5e\xaf\xff"
        "\xa8\xb1\x02\x47\xa0\x2e\x82\xb0\xda\x50\xdf\x3d\xec\x3d\x10\x40\x53"
        "\x7e\xbf\x70\x85\xcb\xf9\x95\x85\xb5\x69\x7d\xda\x74\x7f\xe5\xdf\x7a"
        "\xbc\xd2\xfd\xfd\xb0\x0e\x36\x7b\xfb\x57\xfe\x78\x95\xff\xab\x2b\xf6"
        "\x38\xac\x9f\xad\xba\x35\xa5\xe5\x4a\xdf\xa3\x5d\x31\x9d\xdf\x47\xc8"
        "\x9f\x5f\x1a\xf4\xfb\x9f\x3e\x2f\xbf\x1f\x51\xed\xb3\x9e\xbd\xee\x23"
        "\x8c\xcb\xfd\x85\x5e\xf5\x9c\xda\xe4\x7a\xac\x56\xaf\xfa\xe7\xdb\xc5"
        "\x56\xf5\xb5\x18\xa7\xf5\xf0\xf5\x2c\xbf\xfd\xfb\x93\xff\x4f\xc7\xe5"
        "\x7f\x0c\x74\xf7\xaf\x09\xbb\xfe\x7f\x68\x04\xea\xb0\xa5\x43\x75\x04"
        "\xea\x20\xf4\x1d\xea\xc3\xde\x01\x01\x23\x6b\xf9\xb9\xb9\xa6\x7a\x94"
        "\xf2\xf3\xe7\xfa\xf2\xfc\x6d\x25\xf9\xdb\x4b\xf2\x67\x4b\xf2\x77\x94"
        "\xe4\xef\x2c\xc9\x87\x49\xf6\xbb\x17\x7f\x12\x5e\x2d\x96\xcf\xf3\xf3"
        "\x73\xfa\x41\xaf\x87\xa5\xeb\x6c\xf7\xc4\xf8\xff\x06\xac\x4f\x7e\x3d"
        "\x72\xd0\xf2\xf3\xe7\x7e\x07\xb5\xd6\xf2\xf3\xe7\x89\x61\x94\xbd\x75"
        "\xe6\xe9\x73\x5f\x7e\xf6\x99\x1b\xcd\xe7\xff\x8b\xd6\xf6\x7f\x27\x6e"
        "\xef\x87\x62\xba\x16\xbf\x5b\xd7\xe3\x0c\xe9\x7a\x61\x7e\x5d\xbd\xf5"
        "\xec\x7f\xad\xb3\x9c\x4a\x8f\xf9\xee\xcd\xea\x73\xcf\x8a\xf9\xeb\xcd"
        "\x12\xf7\x76\xce\x57\xec\x5d\xfe\x9c\xd0\xb6\x9f\x59\x51\x8f\xb9\xce"
        "\xf7\xed\xee\x35\xdf\xc1\xce\xf9\x6a\xd9\x7c\xb3\x31\x6c\xcf\xea\x9b"
        "\x1f\x9f\xec\xc8\xde\x97\x8e\x3f\xd2\x7e\x35\xad\xaf\xe9\x6c\x79\xab"
        "\xd9\x72\xcc\x64\xf5\x48\xfb\x95\x3d\x31\xce\xeb\x01\xab\x91\xb6\xc7"
        "\x5e\xcf\xff\xa7\xed\x73\x2e\x54\x8b\xe7\xce\x5f\x38\xf7\x68\x4c\xa7"
        "\xed\xf4\x8f\x53\xd5\x6d\x77\xa7\x1f\x69\xff\xd0\x5f\x6f\x4e\xdd\x81"
        "\xb5\xe9\xb7\xfd\xcf\x5c\xe8\x6c\xff\xb3\xab\x35\xbd\x5a\x69\xdf\x2f"
        "\xec\x5e\x9e\x5e\xb4\xef\x17\x6a\xd9\xf4\xc5\x66\xb2\x75\x9b\x3c\x4d"
        "\x3f\x1a\xd3\xe9\x77\xee\xdb\x53\xb3\x8d\xe9\xf3\x67\xbf\x7b\xe1\xd9"
        "\xf5\x5e\x78\x98\x70\x97\x5e\x7a\xf9\x3b\x67\x2e\x5c\x38\xf7\x7d\x2f"
        "\xd2\x8b\x59\xab\xc5\x0b\x2f\x86\xbd\x67\x02\x36\xda\xc2\x8b\x2f\x7c"
        "\x6f\xe1\xd2\x4b\x2f\x3f\x72\xfe\x85\x33\xcf\x9f\x7b\xfe\xdc\xc5\xa3"
        "\xc7\x8e\x1d\x5d\x5c\x3c\xf6\x95\xa3\x4b\x0b\x8d\xe3\xfa\x85\xf6\xa3"
        "\x7b\x60\x2b\x59\xfe\xd1\x1f\x76\x4d\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x80\x7e\xfd\xe0\xd4\xc9\x1b\x7f\x7e\xe7\x4b\xef\x37\xdb\xff\x2f"
        "\xb7\xff\x4b\xed\xff\xd3\x93\xbf\xa9\xfd\xff\x8f\xb3\xf6\xff\x79\x3b"
        "\xf9\xd4\x0e\x3e\xb5\x03\xdc\xd3\x25\xbf\x31\xee\xde\x5b\x9d\xf5\x98"
        "\xc9\xe6\xab\xc6\xf0\xff\x59\x7d\xf7\x66\xe5\xec\xcb\xde\xf7\xb1\x18"
        "\xb7\xc6\xf1\x8b\xed\xff\x53\x7b\xfb\xbc\x5f\xd7\x54\x9f\xfb\xb2\xe9"
        "\x79\xff\xbd\x69\xbe\xac\x3b\x81\x15\xfd\xa5\xcc\x64\x7d\x90\xe4\xe3"
        "\x05\x7e\x32\xc6\x57\x63\xfc\xcb\x00\x43\x54\xcc\x76\x9f\x1c\xe3\xb2"
        "\xfe\xad\xd3\xb6\x9e\xfa\xa7\xd0\x2f\xc5\x78\x4a\xff\xb7\xb4\x35\xa4"
        "\x7e\x4c\x52\xfb\xef\x5e\xfd\x3a\xa5\xfd\xff\x9e\x4d\xa8\x23\xeb\x6f"
        "\x33\x9a\x13\x0e\x7b\x19\x81\xee\xfe\x31\xf2\xfd\x7f\xb7\x1d\x89\x0f"
        "\xbd\x2e\x13\x10\xac\xe7\x89\x0a\xf5\xba\x51\x3c\x80\xd1\x30\xec\xf1"
        "\x3f\xd3\x75\xcf\x14\x5f\xfc\xc3\x37\xb6\xdf\x0d\x69\xb6\x5b\x8f\x77"
        "\xee\x2f\xf3\xfe\x4b\x61\x2d\x46\x7d\xfc\x49\xe5\x6f\xad\xf1\x3f\x5b"
        "\xe3\xdf\xf5\xb5\xff\xeb\xd2\xbb\x7a\x47\x3f\xcf\xfd\x8f\xae\xf0\xef"
        "\x9f\xdd\x7c\xbf\xad\xd8\xb0\xbf\xdf\xfd\x6f\xbe\xfc\xa9\x1f\xe8\xbd"
        "\xe5\x65\xb6\xfb\x28\x96\x9f\x96\xff\xa1\xd0\x5f\xf9\xf5\x5f\x64\xe5"
        "\xe7\x37\x84\xfa\xf4\x9f\xac\xfc\x1d\x7d\x96\xbf\x62\xf9\x0f\xae\xae"
        "\xfc\xff\xc6\xf2\xd3\x6a\x7b\xf8\x53\xfd\x96\xdf\xac\x71\x51\xe9\xac"
        "\x47\x7e\xdd\x38\xdd\xff\xcb\xaf\x1b\x27\xb7\xb3\xe5\x4f\x7d\x7b\x0e"
        "\xbc\xfc\xab\x1c\xa8\xf1\x4e\x2c\x1f\x26\x59\xef\x71\x66\xfb\x1d\xc1"
        "\x76\x34\x8d\xcb\xf8\xbf\xbd\xe4\xcf\x61\x7c\x31\xa6\xd3\x8e\x30\x3d"
        "\xe7\x90\xff\x22\x0f\x5a\xff\xf4\x7c\x45\xfa\x1d\xd8\x97\x7d\x7e\x51"
        "\xf2\xfb\x36\x2e\xe3\x14\xf7\x32\xe9\xe3\xff\x7e\x35\xc6\x65\xdf\x87"
        "\x34\xfe\x6f\xda\x1e\x6b\x5d\xd2\x95\xb6\x74\xb5\xcb\xba\x1d\xf7\x6d"
        "\x05\xb6\x9a\x0f\x46\xfe\xfe\xdf\x98\x85\xcb\x23\x50\x07\x61\x44\xc3"
        "\xec\x08\xd4\xa1\x33\xd4\xeb\xf5\x8d\xbd\xa0\x55\x62\xa8\x85\x33\xf4"
        "\xf5\x3f\xec\xbb\xcf\xc3\x2e\x7f\xd8\xeb\xbf\x4c\x3e\xfe\x6f\x7e\x0c"
        "\x9f\x8f\xff\x5b\xc9\x4e\x20\xf2\xf1\x7f\xf3\xf7\xe7\xe3\xff\xe6\xf9"
        "\xf9\xf8\x7a\x79\x7e\x3e\xfe\x6f\xbe\x3e\xf3\xf1\x7f\xf3\xfc\xfb\xb2"
        "\xcf\xcd\xaf\x60\xcf\x95\xe4\x7f\xbc\x24\x7f\x7f\x49\xfe\x81\xe5\xfc"
        "\xd9\x6e\xf9\x07\x4b\xde\xff\x89\x92\xfc\xc3\x25\xf9\xf7\x97\xe4\x3f"
        "\x50\x92\x7f\x6f\x49\xfe\x54\x49\xfe\xa7\x4b\xf2\x3f\x53\x92\xff\x60"
        "\x49\xfe\xc3\x25\xf9\x9f\x2d\xc9\xdf\xea\x52\x7b\x94\x49\x5d\x7e\x98"
        "\x64\x79\xfb\x3c\xdf\x7f\x98\x1c\xe9\xfe\x4f\xaf\xef\xff\xde\x92\x7c"
        "\x60\x7c\xfd\xf4\xcd\x23\x4f\x3c\xf3\xdb\x6f\xd5\x9a\xed\xff\x67\x5a"
        "\xe7\x6b\xe9\x3e\xde\x89\x98\xae\xc6\x73\xe7\x1f\xc6\x74\x7e\xdf\x3b"
        "\xb4\xa5\xef\xe6\xbd\x13\xd3\x7f\xcd\xf2\x47\xfd\x7a\x07\x4c\x92\xbc"
        "\xff\x8c\xfc\xf7\xfd\xa1\x92\x7c\x60\x7c\xa5\xe7\xbc\x7c\xbf\x61\x02"
        "\x15\xdd\x7b\xec\xe9\xb7\xdf\xaa\x5e\xc7\xf9\x8c\x97\xcf\xc5\xf8\xf3"
        "\x31\xfe\x42\x8c\x1f\x89\xf1\x7c\x8c\x17\x62\x7c\x24\xc6\x8b\x9b\x54"
        "\x3f\x36\xc6\x13\xbf\xf9\xfd\xf1\x57\x8b\xe5\xf3\xfd\xdd\x59\x7e\xbf"
        "\xcf\x93\xe7\xed\x81\xf2\x7e\xa2\x8e\xf6\x59\x9f\xfc\xfa\xc0\xa0\xcf"
        "\xb3\xe7\xfd\xf8\x0d\x6a\xad\xe5\xaf\xb2\x39\x18\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\xc0\xd0\x54\x1a\x7f\x97\x96\xe6\x8a\x10\xae\xbd\xfd\xfa\xc9"
        "\xa7\x4f\x9f\x5f\xb8\x3b\xe5\xb1\xd6\x1c\xb5\xc6\xdf\xe9\xb6\x54\xb5"
        "\xf5\xbe\x10\x1e\x8d\xf1\x54\x8c\x7f\x1e\x5f\xdc\xfe\xf0\x95\xb3\xed"
        "\xf1\x9d\x18\x17\x61\x31\x14\xa1\x68\x4d\x0f\x4f\xdd\x6a\x95\xb4\x33"
        "\x84\x70\x39\x1c\x0a\xd7\x43\x2d\xec\xbf\x76\xe3\xb5\x77\x17\x9f\x3c"
        "\x7d\xe5\xd4\xd5\xc3\xef\xbd\x71\xfc\xe6\xc6\xad\x01\x00\x00\x00\xd8"
        "\xfa\xfe\x17\x00\x00\xff\xff\x41\x14\x18\x77",
        2646));
    res = -1;
    NONFAILING(res = syz_mount_image(
                   /*fs=*/0x20000080, /*dir=*/0x20000040,
                   /*flags=MS_LAZYTIME|MS_STRICTATIME|MS_RELATIME|MS_NOATIME*/
                   0x3200400, /*opts=*/0x20000c00, /*chdir=*/1, /*size=*/0xa56,
                   /*img=*/0x20001c80));
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    NONFAILING(memcpy((void*)0x200000c0, "./bus\000", 6));
    syscall(__NR_creat, /*file=*/0x200000c0ul, /*mode=*/0ul);
    break;
  case 3:
    NONFAILING(memcpy((void*)0x20000380, "/dev/loop", 9));
    NONFAILING(*(uint8_t*)0x20000389 = 0x30 + procid * 1);
    NONFAILING(*(uint8_t*)0x2000038a = 0);
    NONFAILING(memcpy((void*)0x20000340, "./bus\000", 6));
    syscall(__NR_mount, /*src=*/0x20000380ul, /*dst=*/0x20000340ul,
            /*type=*/0ul, /*flags=MS_BIND*/ 0x1000ul, /*data=*/0ul);
    break;
  case 4:
    NONFAILING(memcpy((void*)0x200003c0, "vfat\000", 5));
    NONFAILING(memcpy((void*)0x20000040, "./bus\000", 6));
    NONFAILING(memcpy(
        (void*)0x200009c0,
        "\xdc\xea\x62\x0d\x0d\xa8\x5a\x72\x0a\xab\x5a\xc4\x71\x29\x64\x2c\xf6"
        "\x0a\xdb\x57\x86\x47\x80\x0f\x96\xde\xbd\x03\xd8\xe4\x4a\x28\x21\x09"
        "\xa0\xce\x4c\xd3\x89\x44\x99\x4f\xd5\x8f\x77\x0b\x5c\x98\x31\xa2\xd3"
        "\xc3\xbb\xeb\x76\xec\x49\x65\xc4\x85\xad\xbc\x9f\xdd\xad\xc9\x0d\x59"
        "\x40\xe7\xa6\x5e\x24\x00\x32\x18\xe2\xdb\x22\x83\x98\x94\x3b\x4a\x09"
        "\xa4\x33\x08\x5c\x23\x61\x90\x78\x27\xcf\x00\xdf\xd6\x15\x98\x83\xbf"
        "\xaa\xc8\x20\xe7\x39\x81\x11\xec\x62\x9f\x8a\xb2\x96\x5b\xec\x42\x8d"
        "\x57\x4e\x69\x4f\xe6\x19\x44\x62\x01\xd6\x55\x8d\x2a\x34\x45\x05\x6e"
        "\x69\xef\x11\x8f\xbb\xe0\x19\xe0\x99\x21\x5d\xbb\x9b\x94\x19\x90\x0c"
        "\x07\x85\x97\xdc\x71\x59\xd3\xb3\x9d\x27\x16\xbf\x4d\x21\x24\xd1\x3d"
        "\xc4\x95\xd7\xee\xf1\xf9\x2c\x69\xd4\x3c\xba\x06\x8a\xa4\x68\x89\xc6"
        "\xac\x8e\x64\x39\x43\x75\xea\x5e\xd3\x60\x85\x82\x26\xc3\xb1\x51\x2b"
        "\x6f\x6b\xbb\x7e\x80\xb0\x68\x8b\x83\x45\xc2\xfc\x4f\x3f\x30\x88\xb1"
        "\xc5\xdc\x80\x7e\x7b\x29\xf1\xdb\x48\x56\x44\x9a\xca\xc6\x0c\x38\xbc"
        "\x94\xbd\x69\x32\x4a\xcb\x1b\x3d\xb8\x35\xa9\x1a\x97\xbb\x6a\xa3\x0b"
        "\x44\xc3\x51\xa6\x5e\x23\x92\xa5\x62\x9c\x16\x44\xc1\x43\x57\x87\x29"
        "\x01\xed\xe1\x7b\x77\x05\x55\x5f\x6f\x18\x63\xcd\x11\x59\x02\xbc\x01"
        "\x80\xc9\x53\xca\xaa\xa2\xab\xe2\x76\x59\x6b\xcc\xe4\x6a\xf3\xca\xf5"
        "\x39\x35\x39\x8d\x41\x68\x99\x62\x85\xb7\x71\x90\xf7\x29\x80\x07\x7a"
        "\x53\xf5\xe0\x75\xaf\xff\xa6\xcd\x9c\x2d\xe4\x1d\xbc\x88\x0f\x00\x9c"
        "\x4e\x0b\x75\x66\x26\xec\x13\x90\xad\x87\x93\xdd\xcd\x7e\x2d\x9e\x96"
        "\x80\x87\xb3\x82\x36\xc1\x4d\x39\x98\xb8\x1a\x90\x29\x7b\xcf\xad\x26"
        "\xea\x86\x15\xaa\x76\x0b\x46\xed\x92\xde\xa1\xa3\x01\x7d\x84\x7f\x80"
        "\x16\x5c\x54\x9a\x1b\xbc\xb7\xbd\x2d\x6e\x30\xf1\x13\x3d\xda\xee\xb9"
        "\x02\xb2\x82\xc8\x62\x98\x1c\x51\xfd\x21\x68\xd9\xbb\x58\xac\x7c\xad"
        "\x10",
        426));
    NONFAILING(*(uint32_t*)0x20000b6a = -1);
    NONFAILING(*(uint64_t*)0x20000b6e = -1);
    NONFAILING(memcpy(
        (void*)0x20000b76,
        "\x6b\x85\x42\xda\x47\x10\x92\x66\xa2\xae\x2b\x12\x8e\xf2\xc5\xa5\x9a"
        "\x58\xbe\x60\x3c\xa2\x3d\x10\x2f\xfc\x87\x17\xee\x3b\xad\x90\x9d\x8f"
        "\x87\x6d\x55\x59\xc6\x22\xe5\xd8\xfe\x40\x52\xf5\x15\x5d\x3b\x33\x50"
        "\x17\x96\xf5\x16\x54\x4e\xee\x24\x4f\xad\xfe\xf7\xed\xdc\x3d\x28\x59"
        "\x7b\xf1\xce\x76\xb4\x46\x8f\x59\x8a\x12\x60\xee\x1a\x80\xa1\xf7\x12"
        "\x55\x52\x38\x6b\x6e\x4d\x25\x41\xfe\xe2\xc0\xca\x58\xc4\x51\xd4\xd2"
        "\x96\xd9\x7b\xac\x48\x2d\xc2\x4a\x1b\xfd\x43\x19\x8f\x90\xa4\xc0\xe6"
        "\xd9\xc6\x6c\x10\xca\x35\x47\x9a\x17\xfe\xc3\xd6\x37\xb0\xca\x1d\x3a"
        "\x64\xe4\x13\xf4\x09\x83\x43\xac\x04\x6e\x2b\xd4\x91\x0d\xae\xef\x27"
        "\xf1\x13\x68\xe4\x94\xba\x31\x97\x9f\x91\xba\xaa\x4b\x19\xad\x41\xbb"
        "\x34\x15\x6a\x57\x6f\x9c\xc1\x4a\x3e\xe8\x98\x4b\xf6\x6f\x56\xbb\x67"
        "\xc3\x17\x9c\xb7\x06\x85\xcd\xdc\xe5\x46\xcb\x3d\xd3\x4b\x61\x21\x7b"
        "\xdf\x8e\x3e\xa8\xf7\xbe\x1a\x54\x6c\xe5\x30\xd3\x0f\x87\x80\x15\xb6"
        "\xc1\xb0\xb0\x6b\xf0\x84\xf1\x26\xc2\x3e\x0c\x3d\x72\x92\xd6\x0d\xdd"
        "\x43\x51\xbc\xb5\x01\x04\xdf\x55\x7d\x52\xee\x02\x30\xb8\x9f\x4b\x3d"
        "\x7b\x68\xa6\x56\xc3\x78\x7e\xd4\xad\x70\xa4\xc9\xec\xf0\xf5\x40\xdf"
        "\x09\xc3\x34\x83\x9a\x7b\x58\xa0\x2d\x8d\x7e\x2b\x44\x43\xc5\x51\x6b"
        "\xd6\xf2\x5e\xc1\x6b\xc5\xf3\x4e\x3b\x12\x42\x70\x76\x59\x0b\x99\x7f"
        "\x16\xa6\x79\x6e\xcf\x84\x78\x6a\x32\x47\xd0\x66\x26\x82\x00\x63\xa5"
        "\xfa\x5e\x78\x62\xcc\xa4\x0b\x8c\x8a\x28\x10\x9f\x77\xe6\xf7\x15\x2f"
        "\xa4\x7c\x53\xcd\x52\x9f\xa9\x9d\x66\x32\x6c\xd3\xf9\xc6\xdb\x65\x69"
        "\x3b\xb9\x7e\x2e\x76\x49\xa5\xab\x88\x7f\xf1\x57\xa8\x15\xc8\x2a\xb8"
        "\x1d\xbf\xfb\x84\x4c\x17\x79\x96\xd3\x60\x96\x92\xef\x1f\x07\xb0\x1d"
        "\x7f\x0a\x68\x3f\xd3\x86\x21\xbd\x87\x60\x64\x87\x5c\xe4\x6c\x6a\xfa"
        "\xe8\x2e\xf2\x6d\x35\xf0\x29\xa1\xd1\x04\xa0\x44\xb6\x6c\x30\x32\x87"
        "\xbc\x2d\x76\x72\x88\xc7\xc3\x8e\xbb\x01\x21\x32\xd2\x1b\x19\x8c\x17"
        "\xd1\xcc\x98\x2a\x02\x37\xbd\xa9\x84\xc0\xf9\x85\xae\x95\xf9\x08\x52"
        "\xc3\xaf\x59\x2a\x0e\x54\xee\x1d\xc2\xff\x8a\x2d\x3f\xc5\xa0\xee\x4b"
        "\xb0\x24\x93\xad\x12\xe6\xcf\xa9\x10\x4d\xff\x10\x6c\x31\xe4\x3c\xb0"
        "\x4b\xda\x40\xbc\x72\x76\x1c\xce\x97\x1c\x12\xbf\xdb\x9a\xa9\x95\x5b"
        "\xfe\x67\x22\xf9\x7a\x97\xdb\xcd\x46\x76\x7f\x58\xd6\x6d\x72\xa6\xd5"
        "\xe2\xe4\xf2\x6c\x03\x52\xdd\xb7\x17\x22\x5b\x02\x9c\x4c\x75\x78\x66"
        "\xa3\xba\x15\x60\xf3\x06\x37\xd6\x20\xde\xf5\x09\xaf\x89\x05\xc2\xa1"
        "\xaa\x07\x7b\x10\x86\x48\x45\x71\xc9\x64\x03\x1d\xb8\xcd\x9e\xa5\x63"
        "\x45\x22\xde\x35\x02\x8d\xed\xab\xb4\xfd\x63\x0e\x1f\x5b\x2b\x1a\xfb"
        "\x61\x65\x02\x8c\xf5\xe1\xf0\x5f\xd7\x73\x95\x91\x0a\xfc\x29\xd1\x5c"
        "\x3f\x36\xe2\xf5\x7c\x7d\xb2\x37\x90\x2c\xd7\x07\x2c\xb7\x27\x17\x07"
        "\xa7\x4c\xe9\x7b\xb6\x8e\x38\xe0\x59\x19\x1c\x81\xdf\x15\x6a\x21\xf0"
        "\xda\x02\x97\xfa\xc4\x9f\x0d\x8f\xf4\x0f\x93\xe6\xaa\x85\x14\x1e\x04"
        "\x6b\x6d\x2e\xb8\xec\xd1\x7d\x0f\x9a\xc4\x88\xbd\x03\x4d\xb3\xe2\x1f"
        "\x41\x77\x87\x7c\x7f\x96\xdf\x44\x22\x73\xfc\xb3\x99\x09\xa5\x9c\xa0"
        "\xd5\xe1\x6e\x75\x54\x49\x92\x1b\x53\x0c\xd5\xf4\xc8\xac\x96\xc6\xd5"
        "\x44\x94\x17\xb4\x27\x45\x51\x4c\x39\x29\x80\xe0\x5e\x74\x02\x09\xd3"
        "\x88\x0a\x4a\x71\x29\xd2\x2b\x26\xcd\x8c\x1c\xc4\x91\x24\xd9\x95\xf8"
        "\xcf\xf3\xd1\x97\x1b\x3e\xba\x61\xb7\xbf\x3c\x27\x02\x7f\x9a\xc9\xd0"
        "\x6b\x7d\x71\xe0\x4e\x2d\x20\x68\xe7\x44\x5d\xce\xf3\xf1\x05\x00\x04"
        "\xf7\xbf\xb2\x61\xe2\x13\xe2\xd1\x3d\x9d\x31\xe7\x1c\xed\x0a\x2a\xac"
        "\x5b\xaf\xc0\xd8\xb2\xce\x90\xb0\x02\x78\x44\xd7\xe1\x2a\x8a\x1e\x6f"
        "\x24\xbd\x0f\x81\x46\x23\xd9\x46\x5e\xa1\xf3\xac\xcb\x5f\x3a\x70\xb3"
        "\x25\x9c\x2d\x3e\x4f\x92\x85\xb8\x04\x9f\x72\xe0\x61\x0a\x89\x54\xa7"
        "\x68\x25\x77\x5b\x88\xf1\x8f\x1e\x63\x54\x48\xa0\x89\x88\x01\x82\xdd"
        "\x73\xe0\x39\xaf\xfc\x99\xaa\xdc\x4f\xcd\xb3\x75\x9b\xcd\x31\xad\x6c"
        "\xd7\x98\xd6\x0f\x83\xfb\xa8\xf6\x7a\x56\x7d\x42\xde\x1f\x16\xe8\x83"
        "\xcd\x9a\x9a\x24\x8d\xf9\xfe\xae\x3a\x64\xb2\x9c\x98\x85\x8f\xd8\xf1"
        "\x75\x53\x6d\xc9\x42\x95\x06\x34\x11\xf4\x73\x39\xe1\x09\xfe\x77\xea"
        "\xa8\x77\xfa\xb9\xe0\xfd\x71\xf4\xf6\x91\xd9\xb8\x61\x80\xa1\x81\x35"
        "\xbe\xea\x15\xee\xaf\xec\x69\xd8\x0b\xfe\xd9\x65\xee\x53\x88\xd4\x12"
        "\xea\x7a\x8c\xf7\xf5\x45\xa0\x3a\x31\x1b\x37\x8d\x11\x87\xa7\x1b\x13"
        "\xec\xbe\x2a\xea\x15\xbd\xd8\x40\x6c\x41\xd9\x9d\x60\x68\xdd\x42\xdd"
        "\x59\xa9\xc8\xd1\xd1\x8d\x59\x88\x0b\x39\xf7\x16\xad\xbf\x16\x47\xca"
        "\xe8\xf8\x95\xa3\x9c\xbc\x82\x71\xce\xe7\xf2\xc4\xe3\x2f\xf6\x0c\x52"
        "\x98\x2e\x0c\x2c\xe1\x6f\x5f\xf2\x83\x01\xd0\x75\x9f\xc0\x8a\x2f\x02"
        "\x3c\xb5\x68\x36\x21\xdb\x98\x91\x67\x36\xa6\x84\xaa\xcc\x47\x34\x38"
        "\x01\x4a\xcc\x83\xd7\x3c\xfb\xcf\x76\xa3\x67\x90\x87\x06\xbd\x38\x31"
        "\x56\xf4\x67\x1f\xce\x46\x33\x45\x78\x43\xdd\xa4\xf7\xa5\xa0\xf6\xe3"
        "\x29\x42\x6a\xc4\x5a\x61\x52\x61\x52\xad\x35\xcd\xde\xc8\x2d\x83\xcf"
        "\x3e\x43\xf3\xbe\xd2\x08\x49\x65\x8c\xd6\xfa\x1e\x82\x6e\x7a\x6e\x85"
        "\x30\x50\x97\x50\xd2\x58\x9b\x46\x29\xc5\x45\x19\x18\x55\xe3\x92\xa0"
        "\x72\x0e\x6e\xf7\xed\x79\x05\x58\x7f\x7f\x18\x1e\xed\xe5\x9a\x26\x6f"
        "\xcb\x12\x0c\x64\x89\x91\x16\xb7\x7b\xd8\x0a\x15\xe2\xbb\x63\xc5\xdb"
        "\x7f\x63\xfe\x21\xc7\xa5\xa3\x26\x90\x3d\x0e\x6e\x9b\x46\x0b\x8a\x6d"
        "\xcb\x99\xd7\xd2\x2c\x76\x8e\x7b\xf1\x1f\x63\x35\xf8\x97\x63\x97\xfd"
        "\xb3\x70\x21\xa5\x1a\x87\xf4\x96\x8f\x32\x15\xe1\x0c\x3b\x3c\x03\x8b"
        "\xa0\x22\x5a\xe5\x10\x11\xc7\x7f\x50\x9c\x3d\x28\x68\x14\x1f\xa1\xdf"
        "\xb2\xfa\x4e\x1f\xfa\xa9\xa3\x82\xc5\x81\x5f\xde\x09\xcd\x97\x95\x2f"
        "\xaf\xd6\xb9\x62\x96\x5a\x4b\x5d\xd5\xbe\x1c\x16\x58\x24\x47\x92\xc6"
        "\x60\xc8\x3d\xb8\x16\x98\x6f\x1b\x7b\x73\x84\x92\x99\xc5\x9d\x6c\x60"
        "\x9b\x2a\x4a\x5f\x39\xb6\x64\x28\x9e\x1a\xc7\xa6\xba\x33\xd7\x3e\x56"
        "\x47\x8d\x02\xa2\x60\xa2\xbc\xf7\x05\x6a\x40\x79\x0c\xb5\x16\xb8\x5e"
        "\x0b\x2d\x70\x99\x10\xf3\x01\x8d\xf4\x50\x38\x5f\x5f\x7b\xd7\x55\x53"
        "\x6f\x11\x56\x1f\xdf\x0b\x6e\x36\xc5\x12\x0d\xad\x0f\x75\x16\x80\x45"
        "\x10\x4a\xaa\x52\x08\xb8\x30\x46\x52\x57\xae\x3a\xc5\x9e\x7a\x8e\x65"
        "\xe2\x21\x15\x30\x5b\x03\xef\x65\x53\x96\x00\xa7\x79\x32\x2e\x52\x21"
        "\x53\xc0\x01\x9a\xc9\x16\x30\x7c\x71\xb4\xe4\xb5\x3e\xd6\x64\x64\xd9"
        "\xc3\x4b\x55\xcd\x98\xe1\x26\xd0\xb7\xb9\xf0\xcb\x44\x89\x13\xd8\x75"
        "\x01\x51\xcb\x11\x03\xfb\x71\x77\xc1\x05\x2d\xb1\x7d\x07\x33\xbf\x4d"
        "\xcc\x0e\x82\x62\x76\x10\x46\x2d\xae\x91\xbf\xec\xe1\x7b\x7f\xba\x87"
        "\x06\x76\x76\x26\x9f\xe0\xeb\x2a\x49\x22\xcc\xcf\x0d\x90\x6e\x72\x1a"
        "\xf8\x5c\x66\x9c\xfb\x98\xc9\xd3\xb5\xa5\x1b\x99\xae\xa7\xd6\x61\x91"
        "\x84\x9f\xd0\x94\x4a\xc2\xad\x5f\x05\xdf\x74\x2f\x9e\xbb\x81\xe9\xe4"
        "\x75\xb9\x2e\x60\x13\x6d\xe2\x85\x8b\xc4\xf8\x4a\x87\x81\xc7\x51\x76"
        "\x2c\x20\xcb\xaf\xf4\x70\x12\xac\xde\x77\x40\x51\xd4\x43\x39\x35\x42"
        "\xb3\xca\xa0\x49\xb6\xf0\xfe\x5e\x6f\x03\x48\x96\x7c\x13\x51\x94\x61"
        "\xa6\x3c\x64\x7b\x7a\x71\x43\x75\xb0\x46\x35\xdb\x93\x78\x5e\xc2\x54"
        "\x13\x20\xcd\x6e\xe4\x3a\x40\x1c\x5f\xe3\xac\x1e\xd2\xb6\x7d\xe7\x8a"
        "\xeb\x64\xb5\x7b\xd3\x07\x0a\xae\x4d\x0a\x97\x03\x48\x58\x11\x7b\xf2"
        "\x10\xf1\x83\x24\x07\xd1\xcf\x51\x65\xbb\x1e\x5f\x46\x3e\x81\x43\x62"
        "\xb4\x6f\x3d\x2e\x53\xd9\x2e\xd0\x07\xdc\x87\xb0\x76\x7a\x07\xb1\xb0"
        "\x41\x7b\xb2\x7d\x67\x01\x88\x9a\x31\x9a\xcb\x39\xa9\xc3\xff\xb2\x29"
        "\x5d\x4f\x90\x78\x3e\x31\xa7\xb7\x83\x2f\xec\x15\x0c\x33\x3e\x84\x33"
        "\x1f\xf7\x91\xce\x11\x76\x85\x1e\x75\x58\xb0\xd4\xf5\x86\xf4\xd7\x33"
        "\xd7\x54\xb3\x1e\xbf\x39\xc8\x50\x40\xee\x88\xfc\xef\xc1\xfb\xf1\x91"
        "\x56\x15\x74\x0e\x38\x70\x2e\xc9\x9b\x29\x00\x45\x1c\x32\x13\xd0\x8d"
        "\xe0\xa2\xbd\x9f\xec\xe5\xf9\x04\x7f\x2c\xb4\x6c\x41\x1c\xff\x66\x60"
        "\x94\xfd\xb4\xe6\x1c\x14\xb7\xb7\xb8\x50\xcc\x8a\x64\xc1\xb4\x3a\xea"
        "\x22\x9b\x56\x4c\x6d\x54\xd8\x90\x1b\x69\xa5\x50\xae\x01\xba\xa2\xb0"
        "\x89\x19\xe0\xbe\x9d\x21\xdb\x7d\xcb\x97\x4e\x66\x15\x20\x58\x99\x7d"
        "\xec\xba\x9c\xbc\xcf\x57\xa6\x0a\x44\x41\x0e\x3e\x05\x44\x65\xdf\x50"
        "\xc9\xa8\x60\x30\x7b\xcc\xd1\x0b\x99\xab\x07\xd3\x37\x9f\x6d\x37\xa5"
        "\x73\x6e\xbc\xb5\x17\xb7\x99\xac\x89\xcf\xe8\x15\x8d\x8d\xc7\x7d\xbd"
        "\xfd\xb7\xa3\x93\xef\x44\x18\x4a\xea\xf7\x79\xdb\xcd\xa9\x6f\xe0\x7e"
        "\xe4\x37\xc2\x8b\x3a\xef\x1d\x62\xd3\x95\x9d\x5e\x63\x11\x96\xc9\x92"
        "\x8b\x80\x0d\xff\x98\x8b\x63\x68\x16\x02\x28\x7f\xfb\x71\x89\xe0\x7d"
        "\x18\x19\x97\xdc\x48\x1b\x80\xe8\x04\xdf\x1b\xdd\xf8\x03\x7c\xaa\x11"
        "\x53\xfd\x72\xb7\xe7\xa8\x7b\x95\x4f\x47\x53\x29\x44\xd7\x33\x99\xc2"
        "\x1d\x5f\xdd\x84\xc8\x77\x91\x07\x32\x5a\x84\x40\x84\x1e\x89\x5d\x63"
        "\x3e\x8d\x2d\x56\xe0\x1e\x24\x94\x93\x8c\xd9\xf5\xe4\x3f\x31\x46\xe0"
        "\xec\x07\x9a\x06\x75\x6d\x73\x8e\xee\xbb\x7d\xee\xdf\x10\xd6\x2c\x4d"
        "\x95\x46\x7b\xc8\xa4\x39\x18\xa8\xfc\xca\x7c\x21\x99\xdc\x34\xad\x9a"
        "\xa4\x10\x1f\x2e\x54\xd1\x9b\x38\xdb\xe4\x91\x8d\x30\x8d\x72\xcd\xfe"
        "\x41\xba\xce\x6c\x9f\x0c\xdf\xfb\x41\xcc\x29\x41\x8c\xb6\x8c\xc5\x3e"
        "\xe6\x93\x12\x18\x51\x9a\x05\x56\x97\x4e\x28\xf3\x1c\xbd\x83\x1c\x18"
        "\xc1\xd0\x46\x8e\x50\x5c\x0e\xbd\xf9\x4a\x51\xd6\x6d\x8c\x97\x7f\x39"
        "\x5e\xd8\xe5\xe6\xde\x9b\x27\xb3\x9b\xb3\xb4\x29\x37\x61\xab\x01\xda"
        "\xe8\x93\x7b\x16\xd6\x97\x65\x80\xb2\x70\x0d\x98\x57\xd7\x70\x02\x81"
        "\x67\x21\xcd\xc1\x95\x8c\xe6\x38\x67\x0a\xb9\xcc\x8a\x47\xbb\x27\x91"
        "\x2a\xe0\x3c\x2f\x58\xe8\x8e\xa0\xcb\xb2\x48\xef\x07\xee\x75\x1f\xd4"
        "\xee\xf7\xe3\xa0\x03\x7a\x41\xf2\xa5\x0d\xca\xdf\x11\x2e\xb2\xdf\x7f"
        "\x82\x89\xde\x7c\x03\xe0\x21\xe0\x7b\x68\x97\x89\x25\x37\xd6\x04\x5b"
        "\xee\x5c\x8e\x48\x22\x7d\xf6\x13\x61\x62\xa1\x6f\xf1\x18\xd1\xeb\x8e"
        "\x4c\x93\x1a\xd2\x9b\x93\xc6\x4d\x4b\xcd\x2f\xdd\x15\xa9\x8d\xaf\x6c"
        "\xc9\x27\x0d\x2b\x8e\x5f\x7a\xda\x5f\x43\xd6\x77\x50\x76\xa2\xad\x64"
        "\x35\x0d\xdf\x93\x12\xff\x7e\x6a\xd3\x14\xd0\x3b\xaa\x54\x7c\x5f\x9a"
        "\xba\x1a\xd7\xa1\xe3\xfc\x1d\xe9\x08\xf6\x6c\x2e\x2f\x5b\xc2\x54\x93"
        "\x4f\x1d\xe0\xac\x63\x6f\x72\xc1\x6c\xfb\x7c\xa6\x7f\xe8\x6d\xac\xec"
        "\xcb\x4b\xc7\xa2\x5d\x40\xe6\xa8\x6c\x19\x69\xc4\xad\x28\x1e\x40\xde"
        "\x74\xc7\xd8\x43\xc4\x50\xe0\xd5\x82\x35\xa4\x5d\x18\xe0\x69\xaa\x84"
        "\x77\xae\xe4\x53\x07\xda\x97\xf5\x18\x92\x3f\xba\x49\x32\x32\x92\x55"
        "\x89\xf0\x99\xe2\xb8\x50\xa2\x2a\xf0\x0c\x1b\xde\xb6\x0f\x49\x37\x6c"
        "\x1f\x57\xdc\x64\x13\x93\x08\x68\xd0\x9a\x19\x14\xbd\x35\x15\x91\x1d"
        "\xee\x9f\x4a\x34\x67\xa2\x21\xca\x41\x66\xaa\xf7\xba\xf2\x2d\xbc\x70"
        "\xd6\x40\xb1\xe9\x2a\x3a\xdc\x95\x39\x22\xad\x6a\x56\xa4\x27\x79\xc5"
        "\xb2\x06\x5e\x07\xc6\xa7\x4e\xa4\xc1\x24\x4c\xc6\xdc\xc2\x8b\x31\xee"
        "\x2c\x94\x02\x28\xe2\x11\xb8\x47\x36\x0a\xec\x1b\xa8\xba\x8e\xe3\x5b"
        "\x4b\x54\x94\x78\x28\x0a\xb3\x59\x80\xe9\xa0\x3c\xfd\x93\xf4\x8b\x1c"
        "\x12\x88\x08\x18\x17\x0a\x92\x84\xa0\x28\xe0\x5f\x6c\xa8\xbc\x65\xda"
        "\xd2\x64\xde\x04\xc9\x15\x6f\x93\xf7\xbb\xad\xae\xc2\x4c\x6c\x19\xe9"
        "\x5c\xe7\x8a\xe1\xc0\x2b\xbd\xde\xeb\xf6\x0d\x68\x02\xd0\x83\xa1\x46"
        "\xef\x99\x75\xf6\x95\x3b\x7e\x7a\xdb\x5c\xf5\x4d\x54\xc3\xec\x58\xa7"
        "\xb6\x3b\x02\xdb\x81\xfe\xda\x15\xed\x85\xa0\x7e\x81\x2d\xcd\x7a\x3b"
        "\x3b\xca\xb2\x30\xf4\xb6\x99\xb7\x99\x9f\x94\x3f\xc3\xde\xc6\xf1\x74"
        "\x63\x5c\x52\xfa\xfd\xe2\x80\x6b\xc6\xf5\x77\xcc\x02\x3b\x55\x75\x21"
        "\xfd\x98\x5c\x6b\xd0\x9d\x46\xc5\x14\xb4\x7b\x85\x49\x1f\x7b\x70\x20"
        "\xf2\xea\x3d\xd2\x0e\x85\xc8\x77\x06\xee\xbf\x8d\x4f\x8f\xad\xfa\x36"
        "\x8e\xa1\x98\x95\xad\x34\x72\x3b\x07\x24\xb9\xb5\x82\xc7\x2f\x78\x8b"
        "\x3d\xbb\x90\xb7\x49\xa4\x21\x39\xf6\x43\x67\x17\x56\x77\x03\x81\x31"
        "\x2a\xce\x9b\x8b\x00\x90\xe3\xae\x80\xce\x2c\xe8\xdd\x4e\x05\x46\x0d"
        "\x0a\xdb\x96\x49\x37\x53\x2d\xf9\x52\xbd\x3f\xc6\x2b\x26\xeb\xb6\xc9"
        "\x22\xc0\xc4\x57\x52\x17\x7d\xbb\x30\x58\xa3\x85\x24\xb4\xa7\x71\x10"
        "\x8a\x53\x48\x9d\xdb\x96\x3a\xf0\xa8\xe2\x0c\xc7\x03\x3b\x35\xa5\xb9"
        "\xf2\xb1\xd4\x47\xe8\x35\xa2\x0b\x30\xf0\xeb\x21\xa4\x1e\x61\xb5\x20"
        "\xa8\xf9\xc0\x70\x22\xd0\xd7\x1d\xcc\x5b\x50\x71\x89\x4d\xe5\xeb\xbd"
        "\xc2\x60\x05\xa9\xb7\x12\x04\x76\x82\x6c\xdb\x82\x9c\xb9\x30\x0d\x1c"
        "\x64\x9e\xd9\x30\xee\x8b\x0a\xcf\x0c\x9d\xd5\x8c\xea\x8c\xaf\x00\xa4"
        "\x26\x11\x79\xf0\x5f\x2d\xc4\xa4\xb2\xb1\x61\x50\x3b\xb0\x52\x34\x7b"
        "\x25\xad\x4e\x64\x3e\x22\x6e\xcb\x2e\xbf\x70\x2f\xca\x15\x48\x9f\x16"
        "\xcf\x01\x18\xfe\xfd\x24\x94\xae\x60\x26\x4f\x01\x09\xeb\xeb\xf2\x80"
        "\xd3\xde\x37\xb2\x3e\xd3\x59\xd0\xe2\x68\xa3\xdb\x01\x10\x1b\xe8\x88"
        "\x21\x7b\x03\x2f\x80\xa0\xd8\xf1\x19\x91\x13\x16\x40\x64\xf7\x1d\x53"
        "\x1d\x0f\xd4\x45\xc9\x7a\xb3\xf8\xd2\xc9\x43\x52\xdc\x6d\x6f\x5a\x5d"
        "\xa6\x01\x63\x05\x91\x2a\xda\xf1\x24\x74\xd0\xa6\x81\xce\x8f\xd2\xd6"
        "\xcb\x24\x63\xfc\xd1\xb2\x69\xce\x61\x14\x83\x46\x8c\x1d\x50\x47\x45"
        "\x82\x0b\xa3\x1e\xc0\xa4\xee\xfc\x8e\xea\x79\xb1\x5f\x8c\x32\x58\x4d"
        "\xe8\xa2\xd1\xae\xdc\x77\x0d\x76\x2b\x84\x4f\x94\x4f\x1c\xc0\xcd\x6e"
        "\x1a\xc4\xeb\xb5\x63\x6e\xf6\x34\xca\x7a\x90\x0f\xa5\x7c\x90\x0c\x84"
        "\xa3\x92\xbc\x18\x38\xf4\xab\xf7\x25\xbd\x73\x2a\xb5\xa3\x85\x69\x0c"
        "\x5c\x14\x7b\x16\xad\x93\x2c\x5d\xfe\x5e\xac\x5b\xf7\xe4\xcf\x4a\xdf"
        "\x5a\x85\x8e\xf9\x92\xd0\x3b\x2e\xc1\xf4\xd5\x15\x24\x90\xab\xed\xb1"
        "\x64\x10\x04\xc6\xcd\x03\xd9\xe0\x38\x0d\x9e\xc9\xae\x31\xbc\x58\xef"
        "\x2d\x1d\xe5\x10\x3a\xdb\xa6\xb3\x89\x9b\x80\x30\xd8\x3f\x20\x28\x28"
        "\xae\xda\x6a\xf9\xda\xff\x69\xc1\x38\xa6\x3d\x7d\x63\xc3\xb9\x6a\x4c"
        "\x86\xb8\x32\xee\x8c\x1f\x81\xdb\x74\xea\x24\x4b\x02\x2f\xf3\x4d\x69"
        "\x2b\x3e\x95\x10\xba\xab\xd2\x57\xfa\xcd\x3f\x39\x5d\xf0\x75\xcd\xb2"
        "\xac\x91\xbc\x22\xa8\x4b\x3c\x5c\xa1\x65\x09\xe9\xcb\x9b\x85\x12\x7e"
        "\xc3\x9f\xf5\xdf\x8c\x75\xed\x2c\xb4\x06\xea\xbb\xcc\x7b\x66\xd3\x9e"
        "\x52\xf8\x25\xc1\xcb\x69\xf9\x34\x26\xa0\x44\x7e\x8e\xa7\x20\xa0\x4e"
        "\x14\x3f\xb9\xfc\xa5\x25\x69\x9e\xcf\xea\x66\x45\x09\xdd\x21\x89\xcf"
        "\xb8\x4c\x8f\x29\xf2\x48\x7f\x6c\x09\xb7\x8a\xa5\x43\x25\x79\xbc\x17"
        "\xe3\xc8\xd1\xb8\xd2\x3c\x2a\x37\x1c\x0a\x5a\x99\xa3\x4a\xc9\x05\x66"
        "\xd2\xb0\x1a\xd7\x9d\x9b\x04\x5c\x05\xd8\x7f\x86\x23\xf1\xb5\x55\x7b"
        "\xa3\x8c\xff\xf2\xd9\x1d\x23\x79\xfb\xfa\xf2\x1c\x4d\x60\x0d\x48\x55"
        "\x29\xc5\xcc\xb2\x5c\xa0\x0c\x01\x6f\x28\x3e\xa5\x54\x84\x3f\x10\x6a"
        "\x9d\x40\xc2\xfc\xe4\xd9\x7b\x0a\xab\x03\xa4\xba\x66\xd3\x7b\x18\x82"
        "\x32\x87\x7e\xe1\xb7\xd2\x96\x66\x54\xad\xaa\x9e\x37\xe5\x54\x02\x40"
        "\xc9\xe2\xcb\x35\x1f\x71\x89\xfd\x95\xe0\x7e\xae\x53\x01\x79\x59\x34"
        "\x85\x68\x0d\x8d\xf2\x47\xa3\xaa\xee\xbe\x40\x3a\x23\x89\x13\x67\x11"
        "\x5d\x51\xe5\x9b\xea\xc5\x21\x0e\xe0\x99\x5b\x5d\x25\x5c\x83\x2a\x8d"
        "\x1c\x5d\xd6\xfe\x4a\xdd\x90\x0b\x28\x59\xd5\xe2\x0d\x63\x34\x9c\x04"
        "\x7b\x30\xb4\x17\x7c\x95\x2d\x6f\x10\x2b\xda\x5b\x9e\xfc\xca\xa5\xbc"
        "\x3d\xb6\x60\xc9\xc0\x7e\xd8\x27\xe8\x51\x66\xae\x10\xdd\x14\x76\x71"
        "\xac\x87\x44\xa7\x90\xed\xc6\x29\xdd\x07\x3a\x65\xe1\x7a\xc9\xcb\x11"
        "\xc1\xc0\xc3\x54\x80\x3b\x99\xc3\x4a\x6e\x3f\x5a\x4d\x90\xbf\x1e\x9d"
        "\x73\xa9\xee\x1a\x23\xf4\x26\x72\x89\xbb\xdc\xe6\x18\xe8\x14\xd4\xc8"
        "\xa3\x12\x1d\x72\x92\x96\x24\x81\x7c\x25\xa0\x12\xc6\xbe\x28\xa9\x3c"
        "\xb8\xbc\xb9\xeb\x4a\xe6\x52\x6a\x9b\x13\x28\xae\xb7\xb3\x1e\x0f\xce"
        "\xe1\x86\xa9\xec\xa1\xe0\xed\xe1\xc9\x75\x32\xdd\x2c\x25\x55\xba\xe6"
        "\xa5\x7e\x7d\x23\x67\xaa\xc3\xa4\x48\x8b\xcc\xc8\xe7\x71\xc3\x0a\x19"
        "\x07\x92\x93\x2d\xc7\xe0\xe6\x99\x1f\xc0\x6f\x84\x27\x60\x28\x5d\xd1"
        "\x0f\x8b\x3c\x51\xe6\x5d\x8a\xdb\x97\xde\x5c\xf2\xa2\x09\xa5\x2a\xf4"
        "\xf9\x3f\xfe\xa9\x66\x06\x66\xe5\x83\x15\x7a\x19\xb8\xfc\xd0\x0a\x65"
        "\xae\xc0\x16\x96\xaf\xaf\x81\x2e\x7a\x25\xec\x03\x52\xe6\xbd\x92\x92"
        "\x29\x30\x5f\x32\x4b\x66\x71\x58\x4d\x73\x28\x4c\x96\x37\x04\x2a\x15"
        "\xa4\x8a\xaf\xe4\xf9\x96\x21\x19\xf2\xaf\xe4\x3b\xb8\xab\xeb\x7d\xbd"
        "\x5e\x58\x8b\x98\xf3\x1f\xf3\xb5\x9c\xd4\x47\x87\x47\x1e\x68\xfa\x6a"
        "\x08\x55\x11\xed\x25\x1a\x5f\xdc\xa0\xcd\x84\xc9\x89\xbb\xe2\xda\xe0"
        "\x97\xe4\x69\xe9\x64\x41\xaf\xb0\x66\x09\x79\x8e\x5d\xea\x48\x0e\x50"
        "\x71\x15\x49\x7c\x4e\xce\x6b\x29\xec\x97\x72\x86\xeb\x99\xac\xb8\x58"
        "\x31\x43\x9c\x38\x3f\xa5\x87\x9b\xf2\x3d\xbb\xa9\x86\x8c\x25\xcf\xd9"
        "\x48\x46\x00\xe9\xe7\x62\x2d\x84\x63\xfe\x88\x8f\x92\xaa\xa4\x37\x7d"
        "\x13\xdf\x6f\xbe\xd7\x9c\x80\xef\x1c\x01\x37\x1f\xd5\x66\xb4\x07\x36"
        "\xb2\xa5\xe8\x6e\xf1\x34\xa2\x1f\xe5\x02\xe6\xc6\x00\xaf\xd9\xe0\xda"
        "\x38\xda\xbb\xcf\x8d\xe5\x5f\x7c\x88\xe9\x16\x81\xf1\x6c\xde\x51\x5f"
        "\x0c\x0e\x1c\x4d\x0d\xcd\xef\xcd\x82\x69\x15\x9c\x81\x34\x01\xed\xfd"
        "\x62\x87\xfe\x9d\xe5\x51\x85\x29\xbe\x99\x7c\x86\x68\xf0\x31\xe0\x30"
        "\x0d\x39\xc2\x58\x5b\x41\xf7\x2e\x25\x60\xe3\xc3\xc5\x53\x23\x7d\xc8"
        "\x90\xfd\x9c\x04\x82\xe5\x8d\x8a\xd7\x38\x6a\xf5\xbc\x45\xfb\xc3\xe3"
        "\x83\xd2\x39\x12\x90\xa2\xcb\xce\x8e\x87\x6e\x42\x2d\x17\xb3\x70\xee"
        "\x32\x35\x32\xcf\x5b\x8a\x0b\xc5\xdc\x8c\x84\x92\xe9\xd6\xf9\x01\x0e"
        "\xef\x20\x94\x5b\xe7\x9d\x51\x88\xec\x6e\xc8\x66\x6e\x40\x29\xcd\x35"
        "\x8f\xf4\xbf\xe0\x45\x9d\xbe\x2a\x9a\xf1\xd6\x87\x50\x29\xea\x9d\x19"
        "\xdc\x91\x53\xa6\xce\xa3\xc9\xb3\xde\x1a\x26\xb8\x4f\xf1\xc9\x6f\xcd"
        "\x27\x3b\x8e\x58\xa8\xa4\x7b\xd2\x3a\x7a\x71\x8a\xeb\xae\xd0\xe3\xf8"
        "\x16\x92\x23\x2a\x16\xa9\x2c\x90\x86\x70\xc1\x00\xa3\x49\x70\xab\x02"
        "\x35\xc1\x4f\xc4\x92\x15\x87\x95\xfe\x27\xda\xc0\x25\xb7\x40\x3d\x4c"
        "\x6f\x76\xb6\x11\x14\xc1\xbd\xcc\x81\x2d\xa4\x44\xcd\x49\x0a\x6e\xf7"
        "\xfb\xeb\x06\x57\x0f\x3d\x4a\x90\xcd\x31\x78\xa9\xcb\x5d\xab\x5c\x98"
        "\x23\x79\xce\xc6\x76\x2b\x9a\x83\x9a\xae\xcd\xf8\x88\xc1\x73\x2d\x60"
        "\x16\xd1\x9e\x05\x3d\xcc\x40\xad\x0c\x47\x08\xb3\xf5\x9b\x5a\xf8\x74"
        "\x53\x33\x80\xa6\x08\xea\xb3\x08\xb5\x97\x3d\xdd\x3f\x93\x51\x73\x7f"
        "\x93\x86\x08\x7b\xc2\x85\x63\x4c\xe8\xe7\x42\xb9\x3f\x24\xaa\x1c\x2b"
        "\x17\x60\xa3\x5e\x6c\x83\xf0\xaf\xe1\x44\x70\xb2\xa4\x4b\xfc\x10",
        4096));
    NONFAILING(*(uint64_t*)0x20001b76 = r[0]);
    NONFAILING(memcpy(
        (void*)0x20002a80,
        "\x78\x9c\xec\xdc\x4f\x8b\x1b\x65\x1c\x07\xf0\xdf\xc6\xad\xdd\x6e\xdd"
        "\x3f\xd6\x5a\x6d\x0f\xfa\xa0\x17\x4f\x43\x77\x0f\x9e\x04\x59\x64\x0b"
        "\xb2\x01\xa5\x76\x85\x56\x10\xa6\xee\x44\x43\xc6\x24\x64\xc2\x42\x44"
        "\xac\x9e\xbc\xfa\x3a\xc4\xa3\x37\x41\x7c\x03\x7b\xe9\x6b\xf0\xb6\x17"
        "\x8f\x3d\x88\x23\x4d\xb6\xb6\x69\xd3\xca\xc2\xd6\x80\xfd\x7c\x2e\xf3"
        "\x23\xcf\xf3\xcd\x3c\x93\x90\x81\x09\xf3\x9b\xc3\x77\x7e\xf8\xb2\xd3"
        "\xaa\xb2\x56\x3e\x8c\xc6\xc2\x42\x34\xfa\x11\xe9\x4e\x8a\x14\x8d\xb8"
        "\xe7\xb5\x9d\xc9\xf6\xfa\x8d\x9d\xad\x66\x73\xfb\x6a\x4a\x57\xb6\xae"
        "\x6d\xbc\x9d\x52\x5a\x7d\xfd\xd7\x4f\xbe\xfe\xe9\x8d\xdf\x86\x67\x3f"
        "\xfe\x79\xf5\x97\xd3\x71\xb0\xfe\xe9\xe1\x1f\x9b\xbf\x1f\x5c\x38\xb8"
        "\x78\xf8\xd7\xb5\x2f\xda\x55\x6a\x57\xa9\xdb\x1b\xa6\x3c\xdd\xec\xf5"
        "\x86\xf9\xcd\xb2\x48\x7b\xed\xaa\x93\xa5\xf4\x61\x59\xe4\x55\x91\xda"
        "\xdd\xaa\x18\x4c\x8d\xb7\xca\x5e\xbf\x3f\x4a\x79\x77\x6f\x65\xb9\x3f"
        "\x28\xaa\x2a\xe5\xdd\x51\xea\x14\xa3\x34\xec\xa5\xe1\x60\x94\xf2\xcf"
        "\xf3\x76\x37\x65\x59\x96\x56\x96\x83\xc7\x3a\xf5\xef\x53\x76\x7f\xbc"
        "\x53\xd7\x75\x44\x5d\x9f\x8a\xe7\xa3\xae\xeb\xfa\x4c\x2c\xc7\xd9\x78"
        "\x21\x56\x62\x35\xbe\x8d\x88\x17\xe3\x5c\xbc\x14\xe7\xe3\xe5\xb8\x10"
        "\xaf\xc4\xab\x71\x31\x16\xe2\x6e\x02\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x38\x39\x4f\xea\xff\x5f\x8b\xf5\x19\xfd"
        "\xff\x75\xad\xff\x1f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x4e\xd6\x47\xd7\x6f\xec\x6c\x35\x9b\xdb\x57\x53\x5a\x8a"
        "\x28\xbf\xdf\xdf\xdd\xdf\x9d\x6c\x27\xe3\x5b\xad\x68\x47\x19\x45\x5c"
        "\x8e\xb5\xf8\x33\xc6\xdd\xff\x13\x93\xfa\xca\xfb\xcd\xed\xcb\x69\x6c"
        "\x3d\xbe\x2b\x6f\x1d\xe5\x6f\xed\xef\x3e\x37\x9d\xdf\x18\x3f\x4e\xe0"
        "\x28\xbf\x38\x1e\xbb\x97\xdf\x98\xe4\xd3\x74\xfe\x74\x2c\x3f\x98\xdf"
        "\x8c\xb5\x38\x3f\x7b\xff\x9b\x33\xf3\x4b\xf1\xd6\x9b\x0f\xe4\xb3\x58"
        "\x8b\xdb\x9f\x45\x2f\xca\xd8\x1b\xef\xfb\x7e\xfe\x9b\x8d\x94\xde\xfb"
        "\xa0\xf9\x50\xfe\xd2\x78\x1e\x00\x00\x00\xfc\x1f\x64\xe9\x1f\x33\xaf"
        "\xdf\xb3\xec\x71\xe3\x93\xfc\x31\xfe\x1f\x78\xe8\xfa\x7a\x31\x2e\x2d"
        "\xce\xf7\xd8\x89\xa8\x46\x5f\x75\xf2\xb2\x2c\x06\xd3\xc5\xd2\x23\xaf"
        "\x3c\x23\x45\x1d\x27\xf0\x3e\x8d\xa7\xb4\xc2\x46\xcc\xfd\xf3\x79\xa6"
        "\x8b\x33\x47\x3f\x9a\x63\xc6\xef\x9e\xe6\xe6\xbf\xf8\x47\x8a\xdb\xe7"
        "\x9e\x38\x67\xce\x27\x26\xfe\x13\xf7\xbf\xf4\x79\xaf\x04\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x80\xe3\x78\xca\x77\x1a\x2e\xc6\x8c\x3b\xcb\xde"
        "\x9d\xcf\xa1\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfc\xcd\x0e\x1c\x0b\x00\x00\x00"
        "\x00\x08\xf3\xb7\x4e\xa3\x63\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x60\xa8\x00\x00\x00\xff\xff\xb2\x2b\xc6\x6e",
        4623));
    NONFAILING(syz_mount_image(
        /*fs=*/0x200003c0, /*dir=*/0x20000040,
        /*flags=MS_I_VERSION|MS_REC|MS_SYNCHRONOUS|MS_SILENT|MS_RELATIME|0x2d4e*/
        0xa0ed5e, /*opts=*/0x200009c0, /*chdir=*/1, /*size=*/0x120f,
        /*img=*/0x20002a80));
    break;
  case 5:
    NONFAILING(memcpy((void*)0x200005c0, "./bus\000", 6));
    syscall(
        __NR_open, /*file=*/0x200005c0ul,
        /*flags=O_SYNC|O_NONBLOCK|O_NOATIME|O_DIRECT|O_CREAT|0x2*/ 0x145842ul,
        /*mode=*/0ul);
    break;
  case 6:
    NONFAILING(memcpy((void*)0x20000100, "./bus\000", 6));
    res = syscall(__NR_creat, /*file=*/0x20000100ul, /*mode=*/0ul);
    if (res != -1)
      r[1] = res;
    break;
  case 7:
    syscall(__NR_write, /*fd=*/r[1], /*data=*/0x20000300ul, /*len=*/0xfd14ul);
    break;
  case 8:
    NONFAILING(memcpy((void*)0x20000180, "msdos\000", 6));
    NONFAILING(memcpy((void*)0x20000100, ".\000", 2));
    NONFAILING(*(uint16_t*)0x200003c0 = -1);
    NONFAILING(sprintf((char*)0x200003c2, "0x%016llx", (long long)-1));
    NONFAILING(sprintf((char*)0x200003d4, "%023llo", (long long)-1));
    NONFAILING(memcpy(
        (void*)0x200003eb,
        "\xf1\xbc\xca\x05\xed\x58\x8d\x63\xa5\x76\xcc\x3a\xfd\x51\xba\xf2\x9c"
        "\xde\x22\x81\xa8\x43\x92\xf4\xe6\x6f\xf7\xef\x22\xaa\x9a\xf7\x27\xce"
        "\xae\x8a\x8e\xc9\x5f\xc1\xb7\x30\x83\xde\x2d\xe8\x25\xa0\xcb\x2b\x0b"
        "\xe7\x74\xfd\xb3\x36\x50\xd7\xda\xce\x27\xc1\x6b\xc2\x3b\x2f\x7c\x7f"
        "\xb7\x25\x85\x54\x89\x39\x69\x8f\x28\x0d\x13\x8a\xa9\x25\x5a\x8a\x92"
        "\x40\x08\xf8\x47\x7e\x82\xba\x11\xcd\xb1\x1e\xfd\x5c\xa2\xf1\xab\x04"
        "\x9c\xe2\xcc\xc4\x15\xd2\xda\xf8\xda\xc7\x25\x53\x3a\x55\x8d\x56\x16"
        "\x54\xfa\xf5\xe0\x92\x4f\x13\x76\x17\x4f\x37\x4d\x66\x4f\xad\x4a\x6a"
        "\xb2\x4e\xc0\xe8\x22\xe7\xf9\x42\x6e\x8e\x5d\xe1\xfe\x58\x08\x5a\x0a"
        "\xe8\x6f\xd0\x2a\x11\x8b\x93\x65\x96\x18\x34\xd4\x62\x08\xb9\xfb\x4c"
        "\xb1\xb1\xfa\x96\x2a\x02\x5a\x00\xdc\x2e\x31\x93\x79\x11\xea\x1e\x5a"
        "\x07\xae\xb3\xf9\xcd\x4e\x64\x8d\xf4\xdd\x18\xe6\x25\x3e\x7b\x6e\xd4"
        "\x87\x5a\x63\xa2\x32\xa2\xa4\x07\x58\x02\x60\x6e\x70\x1c\x63\xa8\x86"
        "\x37\x87\x88\x9b\xf1\xc9\x0f\xcc\xf3\x19\x54\xa9\x40\xc8\xb5\x84\xca"
        "\x89\xa5\x12\xf2\x8e\xde\xc0\x86\xb1\xc0\x82\x3c\x02\x88\x40\xee\xaf"
        "\x3f\x5d\x87\x69\x02\x3c\x01\x21\x86\x14\xf4\xfa\x40\xbe\x98\x92\xe7"
        "\xa2\x85\xac\x63\xf7\xf9\x7a\xaa\x5b\x8e\xcc\x86\xe2\x8c\x61\x93\xbc"
        "\x21\xa2\xb8\x33\x07\x00\x00\x00\xc4\xcf\xa0\x63\x3d\x7a\xc3\x73\xab"
        "\x04\xb6\x2b\x41\x11\xb5\x9e\xab\xd4\x36\xdd\x97\xe7\x88\xa3\x6e\xf2"
        "\x5b\xad\x99\xbe\x2a\xa9\x24\x94\x95\x58\xc8\xc7\x04\xa7\x2a\x61\x43"
        "\x8a\x7e\x52\x46\x74\x94\xff\x1b\x53\xd1\x5f\xd8\x81\x76\xef\xc3\xf8"
        "\x0b\x30\x22\x8d\x11\x4f\x46\xcb\x17\x71\xbe\xae\xbd\x5f\x25\xa9\xe9"
        "\xe8\xb7\x5c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7e\xf3\x35\xd4"
        "\x3a",
        392));
    NONFAILING(sprintf((char*)0x20000573, "0x%016llx", (long long)-1));
    NONFAILING(*(uint8_t*)0x20000585 = -1);
    NONFAILING(*(uint64_t*)0x20000586 = -1);
    NONFAILING(*(uint32_t*)0x2000058e = -1);
    NONFAILING(*(uint32_t*)0x20000592 = -1);
    NONFAILING(sprintf((char*)0x20000596, "%020llu", (long long)-1));
    NONFAILING(syz_mount_image(
        /*fs=*/0x20000180, /*dir=*/0x20000100,
        /*flags=MS_I_VERSION|MS_PRIVATE|MS_SYNCHRONOUS|MS_SILENT|MS_REMOUNT|MS_RELATIME|0x240c*/
        0xa4a43c, /*opts=*/0x200003c0, /*chdir=*/1, /*size=*/0,
        /*img=*/0x20000000));
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  setup_sysctl();
  setup_cgroups();
  setup_binfmt_misc();
  setup_usb();
  setup_802154();
  setup_swap();
  install_segv_handler();
  for (procid = 0; procid < 4; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      do_sandbox_none();
    }
  }
  sleep(1000000);
  return 0;
}