// https://syzkaller.appspot.com/bug?id=4d7de0e6a195b6a5ffef01d2776e737a52c7de60
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <arpa/inet.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 <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/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.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/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/kvm.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rfkill.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>

static unsigned long long procid;

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

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

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

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

typedef struct {
  int state;
} event_t;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

static 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)
{
  struct ifinfomsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  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);
  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);
  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_hsr(struct nlmsg* nlmsg, int sock, const char* name,
                            const char* slave1, const char* slave2)
{
  netlink_add_device_impl(nlmsg, "hsr", name);
  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);
  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);
  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);
  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);
  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);
  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 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)
{
  char buf[16];
  sprintf(buf, "%u %u", addr, port_count);
  if (write_file("/sys/bus/netdevsim/new_device", buf)) {
    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"},
      {"netdevsim", netdevsim},    {"veth", 0},
      {"xfrm", "xfrm0"},           {"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_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);
}

#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 {
  uint8_t type;
  uint8_t opcode;
  uint16_t id;
};

#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

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 vendor_pkt;
  if (read(vhci_fd, &vendor_pkt, sizeof(vendor_pkt)) != sizeof(vendor_pkt))
    exit(1);
  if (vendor_pkt.type != HCI_VENDOR_PKT)
    exit(1);
  pthread_t th;
  if (pthread_create(&th, NULL, event_thread, NULL))
    exit(1);
  int ret = ioctl(hci_sock, HCIDEVUP, vendor_pkt.id);
  if (ret) {
    if (errno == ERFKILL) {
      rfkill_unblock_all();
      ret = ioctl(hci_sock, HCIDEVUP, vendor_pkt.id);
    }
    if (ret && errno != EALREADY)
      exit(1);
  }
  struct hci_dev_req dr = {0};
  dr.dev_id = vendor_pkt.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);
}

#define ADDR_TEXT 0x0000
#define ADDR_GDT 0x1000
#define ADDR_LDT 0x1800
#define ADDR_PML4 0x2000
#define ADDR_PDP 0x3000
#define ADDR_PD 0x4000
#define ADDR_STACK0 0x0f80
#define ADDR_VAR_HLT 0x2800
#define ADDR_VAR_SYSRET 0x2808
#define ADDR_VAR_SYSEXIT 0x2810
#define ADDR_VAR_IDT 0x3800
#define ADDR_VAR_TSS64 0x3a00
#define ADDR_VAR_TSS64_CPL3 0x3c00
#define ADDR_VAR_TSS16 0x3d00
#define ADDR_VAR_TSS16_2 0x3e00
#define ADDR_VAR_TSS16_CPL3 0x3f00
#define ADDR_VAR_TSS32 0x4800
#define ADDR_VAR_TSS32_2 0x4a00
#define ADDR_VAR_TSS32_CPL3 0x4c00
#define ADDR_VAR_TSS32_VM86 0x4e00
#define ADDR_VAR_VMXON_PTR 0x5f00
#define ADDR_VAR_VMCS_PTR 0x5f08
#define ADDR_VAR_VMEXIT_PTR 0x5f10
#define ADDR_VAR_VMWRITE_FLD 0x5f18
#define ADDR_VAR_VMWRITE_VAL 0x5f20
#define ADDR_VAR_VMXON 0x6000
#define ADDR_VAR_VMCS 0x7000
#define ADDR_VAR_VMEXIT_CODE 0x9000
#define ADDR_VAR_USER_CODE 0x9100
#define ADDR_VAR_USER_CODE2 0x9120

#define SEL_LDT (1 << 3)
#define SEL_CS16 (2 << 3)
#define SEL_DS16 (3 << 3)
#define SEL_CS16_CPL3 ((4 << 3) + 3)
#define SEL_DS16_CPL3 ((5 << 3) + 3)
#define SEL_CS32 (6 << 3)
#define SEL_DS32 (7 << 3)
#define SEL_CS32_CPL3 ((8 << 3) + 3)
#define SEL_DS32_CPL3 ((9 << 3) + 3)
#define SEL_CS64 (10 << 3)
#define SEL_DS64 (11 << 3)
#define SEL_CS64_CPL3 ((12 << 3) + 3)
#define SEL_DS64_CPL3 ((13 << 3) + 3)
#define SEL_CGATE16 (14 << 3)
#define SEL_TGATE16 (15 << 3)
#define SEL_CGATE32 (16 << 3)
#define SEL_TGATE32 (17 << 3)
#define SEL_CGATE64 (18 << 3)
#define SEL_CGATE64_HI (19 << 3)
#define SEL_TSS16 (20 << 3)
#define SEL_TSS16_2 (21 << 3)
#define SEL_TSS16_CPL3 ((22 << 3) + 3)
#define SEL_TSS32 (23 << 3)
#define SEL_TSS32_2 (24 << 3)
#define SEL_TSS32_CPL3 ((25 << 3) + 3)
#define SEL_TSS32_VM86 (26 << 3)
#define SEL_TSS64 (27 << 3)
#define SEL_TSS64_HI (28 << 3)
#define SEL_TSS64_CPL3 ((29 << 3) + 3)
#define SEL_TSS64_CPL3_HI (30 << 3)

#define MSR_IA32_FEATURE_CONTROL 0x3a
#define MSR_IA32_VMX_BASIC 0x480
#define MSR_IA32_SMBASE 0x9e
#define MSR_IA32_SYSENTER_CS 0x174
#define MSR_IA32_SYSENTER_ESP 0x175
#define MSR_IA32_SYSENTER_EIP 0x176
#define MSR_IA32_STAR 0xC0000081
#define MSR_IA32_LSTAR 0xC0000082
#define MSR_IA32_VMX_PROCBASED_CTLS2 0x48B

#define NEXT_INSN $0xbadc0de
#define PREFIX_SIZE 0xba1d
const char kvm_asm16_cpl3[] =
    "\x0f\x20\xc0\x66\x83\xc8\x01\x0f\x22\xc0\xb8\xa0\x00\x0f\x00\xd8\xb8\x2b"
    "\x00\x8e\xd8\x8e\xc0\x8e\xe0\x8e\xe8\xbc\x00\x01\xc7\x06\x00\x01\x1d\xba"
    "\xc7\x06\x02\x01\x23\x00\xc7\x06\x04\x01\x00\x01\xc7\x06\x06\x01\x2b\x00"
    "\xcb";
const char kvm_asm32_paged[] = "\x0f\x20\xc0\x0d\x00\x00\x00\x80\x0f\x22\xc0";
const char kvm_asm32_vm86[] =
    "\x66\xb8\xb8\x00\x0f\x00\xd8\xea\x00\x00\x00\x00\xd0\x00";
const char kvm_asm32_paged_vm86[] =
    "\x0f\x20\xc0\x0d\x00\x00\x00\x80\x0f\x22\xc0\x66\xb8\xb8\x00\x0f\x00\xd8"
    "\xea\x00\x00\x00\x00\xd0\x00";
const char kvm_asm64_enable_long[] =
    "\x0f\x20\xc0\x0d\x00\x00\x00\x80\x0f\x22\xc0\xea\xde\xc0\xad\x0b\x50\x00"
    "\x48\xc7\xc0\xd8\x00\x00\x00\x0f\x00\xd8";
const char kvm_asm64_init_vm[] =
    "\x0f\x20\xc0\x0d\x00\x00\x00\x80\x0f\x22\xc0\xea\xde\xc0\xad\x0b\x50\x00"
    "\x48\xc7\xc0\xd8\x00\x00\x00\x0f\x00\xd8\x48\xc7\xc1\x3a\x00\x00\x00\x0f"
    "\x32\x48\x83\xc8\x05\x0f\x30\x0f\x20\xe0\x48\x0d\x00\x20\x00\x00\x0f\x22"
    "\xe0\x48\xc7\xc1\x80\x04\x00\x00\x0f\x32\x48\xc7\xc2\x00\x60\x00\x00\x89"
    "\x02\x48\xc7\xc2\x00\x70\x00\x00\x89\x02\x48\xc7\xc0\x00\x5f\x00\x00\xf3"
    "\x0f\xc7\x30\x48\xc7\xc0\x08\x5f\x00\x00\x66\x0f\xc7\x30\x0f\xc7\x30\x48"
    "\xc7\xc1\x81\x04\x00\x00\x0f\x32\x48\x83\xc8\x00\x48\x21\xd0\x48\xc7\xc2"
    "\x00\x40\x00\x00\x0f\x79\xd0\x48\xc7\xc1\x82\x04\x00\x00\x0f\x32\x48\x83"
    "\xc8\x00\x48\x21\xd0\x48\xc7\xc2\x02\x40\x00\x00\x0f\x79\xd0\x48\xc7\xc2"
    "\x1e\x40\x00\x00\x48\xc7\xc0\x81\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc1\x83"
    "\x04\x00\x00\x0f\x32\x48\x0d\xff\x6f\x03\x00\x48\x21\xd0\x48\xc7\xc2\x0c"
    "\x40\x00\x00\x0f\x79\xd0\x48\xc7\xc1\x84\x04\x00\x00\x0f\x32\x48\x0d\xff"
    "\x17\x00\x00\x48\x21\xd0\x48\xc7\xc2\x12\x40\x00\x00\x0f\x79\xd0\x48\xc7"
    "\xc2\x04\x2c\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2"
    "\x00\x28\x00\x00\x48\xc7\xc0\xff\xff\xff\xff\x0f\x79\xd0\x48\xc7\xc2\x02"
    "\x0c\x00\x00\x48\xc7\xc0\x50\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc0\x58\x00"
    "\x00\x00\x48\xc7\xc2\x00\x0c\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x04\x0c\x00"
    "\x00\x0f\x79\xd0\x48\xc7\xc2\x06\x0c\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x08"
    "\x0c\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x0a\x0c\x00\x00\x0f\x79\xd0\x48\xc7"
    "\xc0\xd8\x00\x00\x00\x48\xc7\xc2\x0c\x0c\x00\x00\x0f\x79\xd0\x48\xc7\xc2"
    "\x02\x2c\x00\x00\x48\xc7\xc0\x00\x05\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x00"
    "\x4c\x00\x00\x48\xc7\xc0\x50\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x10\x6c"
    "\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x12\x6c\x00"
    "\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x0f\x20\xc0\x48\xc7\xc2\x00"
    "\x6c\x00\x00\x48\x89\xc0\x0f\x79\xd0\x0f\x20\xd8\x48\xc7\xc2\x02\x6c\x00"
    "\x00\x48\x89\xc0\x0f\x79\xd0\x0f\x20\xe0\x48\xc7\xc2\x04\x6c\x00\x00\x48"
    "\x89\xc0\x0f\x79\xd0\x48\xc7\xc2\x06\x6c\x00\x00\x48\xc7\xc0\x00\x00\x00"
    "\x00\x0f\x79\xd0\x48\xc7\xc2\x08\x6c\x00\x00\x48\xc7\xc0\x00\x00\x00\x00"
    "\x0f\x79\xd0\x48\xc7\xc2\x0a\x6c\x00\x00\x48\xc7\xc0\x00\x3a\x00\x00\x0f"
    "\x79\xd0\x48\xc7\xc2\x0c\x6c\x00\x00\x48\xc7\xc0\x00\x10\x00\x00\x0f\x79"
    "\xd0\x48\xc7\xc2\x0e\x6c\x00\x00\x48\xc7\xc0\x00\x38\x00\x00\x0f\x79\xd0"
    "\x48\xc7\xc2\x14\x6c\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48"
    "\xc7\xc2\x16\x6c\x00\x00\x48\x8b\x04\x25\x10\x5f\x00\x00\x0f\x79\xd0\x48"
    "\xc7\xc2\x00\x00\x00\x00\x48\xc7\xc0\x01\x00\x00\x00\x0f\x79\xd0\x48\xc7"
    "\xc2\x02\x00\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2"
    "\x00\x20\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x02"
    "\x20\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x04\x20"
    "\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x06\x20\x00"
    "\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc1\x77\x02\x00\x00"
    "\x0f\x32\x48\xc1\xe2\x20\x48\x09\xd0\x48\xc7\xc2\x00\x2c\x00\x00\x48\x89"
    "\xc0\x0f\x79\xd0\x48\xc7\xc2\x04\x40\x00\x00\x48\xc7\xc0\x00\x00\x00\x00"
    "\x0f\x79\xd0\x48\xc7\xc2\x0a\x40\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f"
    "\x79\xd0\x48\xc7\xc2\x0e\x40\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79"
    "\xd0\x48\xc7\xc2\x10\x40\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0"
    "\x48\xc7\xc2\x16\x40\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48"
    "\xc7\xc2\x14\x40\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7"
    "\xc2\x00\x60\x00\x00\x48\xc7\xc0\xff\xff\xff\xff\x0f\x79\xd0\x48\xc7\xc2"
    "\x02\x60\x00\x00\x48\xc7\xc0\xff\xff\xff\xff\x0f\x79\xd0\x48\xc7\xc2\x1c"
    "\x20\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x1e\x20"
    "\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x20\x20\x00"
    "\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x22\x20\x00\x00"
    "\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x00\x08\x00\x00\x48"
    "\xc7\xc0\x58\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x02\x08\x00\x00\x48\xc7"
    "\xc0\x50\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x04\x08\x00\x00\x48\xc7\xc0"
    "\x58\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x06\x08\x00\x00\x48\xc7\xc0\x58"
    "\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x08\x08\x00\x00\x48\xc7\xc0\x58\x00"
    "\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x0a\x08\x00\x00\x48\xc7\xc0\x58\x00\x00"
    "\x00\x0f\x79\xd0\x48\xc7\xc2\x0c\x08\x00\x00\x48\xc7\xc0\x00\x00\x00\x00"
    "\x0f\x79\xd0\x48\xc7\xc2\x0e\x08\x00\x00\x48\xc7\xc0\xd8\x00\x00\x00\x0f"
    "\x79\xd0\x48\xc7\xc2\x12\x68\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79"
    "\xd0\x48\xc7\xc2\x14\x68\x00\x00\x48\xc7\xc0\x00\x3a\x00\x00\x0f\x79\xd0"
    "\x48\xc7\xc2\x16\x68\x00\x00\x48\xc7\xc0\x00\x10\x00\x00\x0f\x79\xd0\x48"
    "\xc7\xc2\x18\x68\x00\x00\x48\xc7\xc0\x00\x38\x00\x00\x0f\x79\xd0\x48\xc7"
    "\xc2\x00\x48\x00\x00\x48\xc7\xc0\xff\xff\x0f\x00\x0f\x79\xd0\x48\xc7\xc2"
    "\x02\x48\x00\x00\x48\xc7\xc0\xff\xff\x0f\x00\x0f\x79\xd0\x48\xc7\xc2\x04"
    "\x48\x00\x00\x48\xc7\xc0\xff\xff\x0f\x00\x0f\x79\xd0\x48\xc7\xc2\x06\x48"
    "\x00\x00\x48\xc7\xc0\xff\xff\x0f\x00\x0f\x79\xd0\x48\xc7\xc2\x08\x48\x00"
    "\x00\x48\xc7\xc0\xff\xff\x0f\x00\x0f\x79\xd0\x48\xc7\xc2\x0a\x48\x00\x00"
    "\x48\xc7\xc0\xff\xff\x0f\x00\x0f\x79\xd0\x48\xc7\xc2\x0c\x48\x00\x00\x48"
    "\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x0e\x48\x00\x00\x48\xc7"
    "\xc0\xff\x1f\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x10\x48\x00\x00\x48\xc7\xc0"
    "\xff\x1f\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x12\x48\x00\x00\x48\xc7\xc0\xff"
    "\x1f\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x14\x48\x00\x00\x48\xc7\xc0\x93\x40"
    "\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x16\x48\x00\x00\x48\xc7\xc0\x9b\x20\x00"
    "\x00\x0f\x79\xd0\x48\xc7\xc2\x18\x48\x00\x00\x48\xc7\xc0\x93\x40\x00\x00"
    "\x0f\x79\xd0\x48\xc7\xc2\x1a\x48\x00\x00\x48\xc7\xc0\x93\x40\x00\x00\x0f"
    "\x79\xd0\x48\xc7\xc2\x1c\x48\x00\x00\x48\xc7\xc0\x93\x40\x00\x00\x0f\x79"
    "\xd0\x48\xc7\xc2\x1e\x48\x00\x00\x48\xc7\xc0\x93\x40\x00\x00\x0f\x79\xd0"
    "\x48\xc7\xc2\x20\x48\x00\x00\x48\xc7\xc0\x82\x00\x00\x00\x0f\x79\xd0\x48"
    "\xc7\xc2\x22\x48\x00\x00\x48\xc7\xc0\x8b\x00\x00\x00\x0f\x79\xd0\x48\xc7"
    "\xc2\x1c\x68\x00\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2"
    "\x1e\x68\x00\x00\x48\xc7\xc0\x00\x91\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x20"
    "\x68\x00\x00\x48\xc7\xc0\x02\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x06\x28"
    "\x00\x00\x48\xc7\xc0\x00\x05\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x0a\x28\x00"
    "\x00\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x0c\x28\x00\x00"
    "\x48\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x0e\x28\x00\x00\x48"
    "\xc7\xc0\x00\x00\x00\x00\x0f\x79\xd0\x48\xc7\xc2\x10\x28\x00\x00\x48\xc7"
    "\xc0\x00\x00\x00\x00\x0f\x79\xd0\x0f\x20\xc0\x48\xc7\xc2\x00\x68\x00\x00"
    "\x48\x89\xc0\x0f\x79\xd0\x0f\x20\xd8\x48\xc7\xc2\x02\x68\x00\x00\x48\x89"
    "\xc0\x0f\x79\xd0\x0f\x20\xe0\x48\xc7\xc2\x04\x68\x00\x00\x48\x89\xc0\x0f"
    "\x79\xd0\x48\xc7\xc0\x18\x5f\x00\x00\x48\x8b\x10\x48\xc7\xc0\x20\x5f\x00"
    "\x00\x48\x8b\x08\x48\x31\xc0\x0f\x78\xd0\x48\x31\xc8\x0f\x79\xd0\x0f\x01"
    "\xc2\x48\xc7\xc2\x00\x44\x00\x00\x0f\x78\xd0\xf4";
const char kvm_asm64_vm_exit[] =
    "\x48\xc7\xc3\x00\x44\x00\x00\x0f\x78\xda\x48\xc7\xc3\x02\x44\x00\x00\x0f"
    "\x78\xd9\x48\xc7\xc0\x00\x64\x00\x00\x0f\x78\xc0\x48\xc7\xc3\x1e\x68\x00"
    "\x00\x0f\x78\xdb\xf4";
const char kvm_asm64_cpl3[] =
    "\x0f\x20\xc0\x0d\x00\x00\x00\x80\x0f\x22\xc0\xea\xde\xc0\xad\x0b\x50\x00"
    "\x48\xc7\xc0\xd8\x00\x00\x00\x0f\x00\xd8\x48\xc7\xc0\x6b\x00\x00\x00\x8e"
    "\xd8\x8e\xc0\x8e\xe0\x8e\xe8\x48\xc7\xc4\x80\x0f\x00\x00\x48\xc7\x04\x24"
    "\x1d\xba\x00\x00\x48\xc7\x44\x24\x04\x63\x00\x00\x00\x48\xc7\x44\x24\x08"
    "\x80\x0f\x00\x00\x48\xc7\x44\x24\x0c\x6b\x00\x00\x00\xcb";

#define KVM_SMI _IO(KVMIO, 0xb7)

#define CR0_PE 1
#define CR0_MP (1 << 1)
#define CR0_EM (1 << 2)
#define CR0_TS (1 << 3)
#define CR0_ET (1 << 4)
#define CR0_NE (1 << 5)
#define CR0_WP (1 << 16)
#define CR0_AM (1 << 18)
#define CR0_NW (1 << 29)
#define CR0_CD (1 << 30)
#define CR0_PG (1 << 31)

#define CR4_VME 1
#define CR4_PVI (1 << 1)
#define CR4_TSD (1 << 2)
#define CR4_DE (1 << 3)
#define CR4_PSE (1 << 4)
#define CR4_PAE (1 << 5)
#define CR4_MCE (1 << 6)
#define CR4_PGE (1 << 7)
#define CR4_PCE (1 << 8)
#define CR4_OSFXSR (1 << 8)
#define CR4_OSXMMEXCPT (1 << 10)
#define CR4_UMIP (1 << 11)
#define CR4_VMXE (1 << 13)
#define CR4_SMXE (1 << 14)
#define CR4_FSGSBASE (1 << 16)
#define CR4_PCIDE (1 << 17)
#define CR4_OSXSAVE (1 << 18)
#define CR4_SMEP (1 << 20)
#define CR4_SMAP (1 << 21)
#define CR4_PKE (1 << 22)

#define EFER_SCE 1
#define EFER_LME (1 << 8)
#define EFER_LMA (1 << 10)
#define EFER_NXE (1 << 11)
#define EFER_SVME (1 << 12)
#define EFER_LMSLE (1 << 13)
#define EFER_FFXSR (1 << 14)
#define EFER_TCE (1 << 15)
#define PDE32_PRESENT 1
#define PDE32_RW (1 << 1)
#define PDE32_USER (1 << 2)
#define PDE32_PS (1 << 7)
#define PDE64_PRESENT 1
#define PDE64_RW (1 << 1)
#define PDE64_USER (1 << 2)
#define PDE64_ACCESSED (1 << 5)
#define PDE64_DIRTY (1 << 6)
#define PDE64_PS (1 << 7)
#define PDE64_G (1 << 8)

struct tss16 {
  uint16_t prev;
  uint16_t sp0;
  uint16_t ss0;
  uint16_t sp1;
  uint16_t ss1;
  uint16_t sp2;
  uint16_t ss2;
  uint16_t ip;
  uint16_t flags;
  uint16_t ax;
  uint16_t cx;
  uint16_t dx;
  uint16_t bx;
  uint16_t sp;
  uint16_t bp;
  uint16_t si;
  uint16_t di;
  uint16_t es;
  uint16_t cs;
  uint16_t ss;
  uint16_t ds;
  uint16_t ldt;
} __attribute__((packed));

struct tss32 {
  uint16_t prev, prevh;
  uint32_t sp0;
  uint16_t ss0, ss0h;
  uint32_t sp1;
  uint16_t ss1, ss1h;
  uint32_t sp2;
  uint16_t ss2, ss2h;
  uint32_t cr3;
  uint32_t ip;
  uint32_t flags;
  uint32_t ax;
  uint32_t cx;
  uint32_t dx;
  uint32_t bx;
  uint32_t sp;
  uint32_t bp;
  uint32_t si;
  uint32_t di;
  uint16_t es, esh;
  uint16_t cs, csh;
  uint16_t ss, ssh;
  uint16_t ds, dsh;
  uint16_t fs, fsh;
  uint16_t gs, gsh;
  uint16_t ldt, ldth;
  uint16_t trace;
  uint16_t io_bitmap;
} __attribute__((packed));

struct tss64 {
  uint32_t reserved0;
  uint64_t rsp[3];
  uint64_t reserved1;
  uint64_t ist[7];
  uint64_t reserved2;
  uint32_t reserved3;
  uint32_t io_bitmap;
} __attribute__((packed));

static void fill_segment_descriptor(uint64_t* dt, uint64_t* lt,
                                    struct kvm_segment* seg)
{
  uint16_t index = seg->selector >> 3;
  uint64_t limit = seg->g ? seg->limit >> 12 : seg->limit;
  uint64_t sd = (limit & 0xffff) | (seg->base & 0xffffff) << 16 |
                (uint64_t)seg->type << 40 | (uint64_t)seg->s << 44 |
                (uint64_t)seg->dpl << 45 | (uint64_t)seg->present << 47 |
                (limit & 0xf0000ULL) << 48 | (uint64_t)seg->avl << 52 |
                (uint64_t)seg->l << 53 | (uint64_t)seg->db << 54 |
                (uint64_t)seg->g << 55 | (seg->base & 0xff000000ULL) << 56;
  dt[index] = sd;
  lt[index] = sd;
}

static void fill_segment_descriptor_dword(uint64_t* dt, uint64_t* lt,
                                          struct kvm_segment* seg)
{
  fill_segment_descriptor(dt, lt, seg);
  uint16_t index = seg->selector >> 3;
  dt[index + 1] = 0;
  lt[index + 1] = 0;
}

static void setup_syscall_msrs(int cpufd, uint16_t sel_cs, uint16_t sel_cs_cpl3)
{
  char buf[sizeof(struct kvm_msrs) + 5 * sizeof(struct kvm_msr_entry)];
  memset(buf, 0, sizeof(buf));
  struct kvm_msrs* msrs = (struct kvm_msrs*)buf;
  struct kvm_msr_entry* entries = msrs->entries;
  msrs->nmsrs = 5;
  entries[0].index = MSR_IA32_SYSENTER_CS;
  entries[0].data = sel_cs;
  entries[1].index = MSR_IA32_SYSENTER_ESP;
  entries[1].data = ADDR_STACK0;
  entries[2].index = MSR_IA32_SYSENTER_EIP;
  entries[2].data = ADDR_VAR_SYSEXIT;
  entries[3].index = MSR_IA32_STAR;
  entries[3].data = ((uint64_t)sel_cs << 32) | ((uint64_t)sel_cs_cpl3 << 48);
  entries[4].index = MSR_IA32_LSTAR;
  entries[4].data = ADDR_VAR_SYSRET;
  ioctl(cpufd, KVM_SET_MSRS, msrs);
}

static void setup_32bit_idt(struct kvm_sregs* sregs, char* host_mem,
                            uintptr_t guest_mem)
{
  sregs->idt.base = guest_mem + ADDR_VAR_IDT;
  sregs->idt.limit = 0x1ff;
  uint64_t* idt = (uint64_t*)(host_mem + sregs->idt.base);
  for (int i = 0; i < 32; i++) {
    struct kvm_segment gate;
    gate.selector = i << 3;
    switch (i % 6) {
    case 0:
      gate.type = 6;
      gate.base = SEL_CS16;
      break;
    case 1:
      gate.type = 7;
      gate.base = SEL_CS16;
      break;
    case 2:
      gate.type = 3;
      gate.base = SEL_TGATE16;
      break;
    case 3:
      gate.type = 14;
      gate.base = SEL_CS32;
      break;
    case 4:
      gate.type = 15;
      gate.base = SEL_CS32;
      break;
    case 5:
      gate.type = 11;
      gate.base = SEL_TGATE32;
      break;
    }
    gate.limit = guest_mem + ADDR_VAR_USER_CODE2;
    gate.present = 1;
    gate.dpl = 0;
    gate.s = 0;
    gate.g = 0;
    gate.db = 0;
    gate.l = 0;
    gate.avl = 0;
    fill_segment_descriptor(idt, idt, &gate);
  }
}

static void setup_64bit_idt(struct kvm_sregs* sregs, char* host_mem,
                            uintptr_t guest_mem)
{
  sregs->idt.base = guest_mem + ADDR_VAR_IDT;
  sregs->idt.limit = 0x1ff;
  uint64_t* idt = (uint64_t*)(host_mem + sregs->idt.base);
  for (int i = 0; i < 32; i++) {
    struct kvm_segment gate;
    gate.selector = (i * 2) << 3;
    gate.type = (i & 1) ? 14 : 15;
    gate.base = SEL_CS64;
    gate.limit = guest_mem + ADDR_VAR_USER_CODE2;
    gate.present = 1;
    gate.dpl = 0;
    gate.s = 0;
    gate.g = 0;
    gate.db = 0;
    gate.l = 0;
    gate.avl = 0;
    fill_segment_descriptor_dword(idt, idt, &gate);
  }
}

struct kvm_text {
  uintptr_t typ;
  const void* text;
  uintptr_t size;
};

struct kvm_opt {
  uint64_t typ;
  uint64_t val;
};

#define KVM_SETUP_PAGING (1 << 0)
#define KVM_SETUP_PAE (1 << 1)
#define KVM_SETUP_PROTECTED (1 << 2)
#define KVM_SETUP_CPL3 (1 << 3)
#define KVM_SETUP_VIRT86 (1 << 4)
#define KVM_SETUP_SMM (1 << 5)
#define KVM_SETUP_VM (1 << 6)
static volatile long syz_kvm_setup_cpu(volatile long a0, volatile long a1,
                                       volatile long a2, volatile long a3,
                                       volatile long a4, volatile long a5,
                                       volatile long a6, volatile long a7)
{
  const int vmfd = a0;
  const int cpufd = a1;
  char* const host_mem = (char*)a2;
  const struct kvm_text* const text_array_ptr = (struct kvm_text*)a3;
  const uintptr_t text_count = a4;
  const uintptr_t flags = a5;
  const struct kvm_opt* const opt_array_ptr = (struct kvm_opt*)a6;
  uintptr_t opt_count = a7;
  const uintptr_t page_size = 4 << 10;
  const uintptr_t ioapic_page = 10;
  const uintptr_t guest_mem_size = 24 * page_size;
  const uintptr_t guest_mem = 0;
  (void)text_count;
  int text_type = text_array_ptr[0].typ;
  const void* text = text_array_ptr[0].text;
  uintptr_t text_size = text_array_ptr[0].size;
  for (uintptr_t i = 0; i < guest_mem_size / page_size; i++) {
    struct kvm_userspace_memory_region memreg;
    memreg.slot = i;
    memreg.flags = 0;
    memreg.guest_phys_addr = guest_mem + i * page_size;
    if (i == ioapic_page)
      memreg.guest_phys_addr = 0xfec00000;
    memreg.memory_size = page_size;
    memreg.userspace_addr = (uintptr_t)host_mem + i * page_size;
    ioctl(vmfd, KVM_SET_USER_MEMORY_REGION, &memreg);
  }
  struct kvm_userspace_memory_region memreg;
  memreg.slot = 1 + (1 << 16);
  memreg.flags = 0;
  memreg.guest_phys_addr = 0x30000;
  memreg.memory_size = 64 << 10;
  memreg.userspace_addr = (uintptr_t)host_mem;
  ioctl(vmfd, KVM_SET_USER_MEMORY_REGION, &memreg);
  struct kvm_sregs sregs;
  if (ioctl(cpufd, KVM_GET_SREGS, &sregs))
    return -1;
  struct kvm_regs regs;
  memset(&regs, 0, sizeof(regs));
  regs.rip = guest_mem + ADDR_TEXT;
  regs.rsp = ADDR_STACK0;
  sregs.gdt.base = guest_mem + ADDR_GDT;
  sregs.gdt.limit = 256 * sizeof(uint64_t) - 1;
  uint64_t* gdt = (uint64_t*)(host_mem + sregs.gdt.base);
  struct kvm_segment seg_ldt;
  seg_ldt.selector = SEL_LDT;
  seg_ldt.type = 2;
  seg_ldt.base = guest_mem + ADDR_LDT;
  seg_ldt.limit = 256 * sizeof(uint64_t) - 1;
  seg_ldt.present = 1;
  seg_ldt.dpl = 0;
  seg_ldt.s = 0;
  seg_ldt.g = 0;
  seg_ldt.db = 1;
  seg_ldt.l = 0;
  sregs.ldt = seg_ldt;
  uint64_t* ldt = (uint64_t*)(host_mem + sregs.ldt.base);
  struct kvm_segment seg_cs16;
  seg_cs16.selector = SEL_CS16;
  seg_cs16.type = 11;
  seg_cs16.base = 0;
  seg_cs16.limit = 0xfffff;
  seg_cs16.present = 1;
  seg_cs16.dpl = 0;
  seg_cs16.s = 1;
  seg_cs16.g = 0;
  seg_cs16.db = 0;
  seg_cs16.l = 0;
  struct kvm_segment seg_ds16 = seg_cs16;
  seg_ds16.selector = SEL_DS16;
  seg_ds16.type = 3;
  struct kvm_segment seg_cs16_cpl3 = seg_cs16;
  seg_cs16_cpl3.selector = SEL_CS16_CPL3;
  seg_cs16_cpl3.dpl = 3;
  struct kvm_segment seg_ds16_cpl3 = seg_ds16;
  seg_ds16_cpl3.selector = SEL_DS16_CPL3;
  seg_ds16_cpl3.dpl = 3;
  struct kvm_segment seg_cs32 = seg_cs16;
  seg_cs32.selector = SEL_CS32;
  seg_cs32.db = 1;
  struct kvm_segment seg_ds32 = seg_ds16;
  seg_ds32.selector = SEL_DS32;
  seg_ds32.db = 1;
  struct kvm_segment seg_cs32_cpl3 = seg_cs32;
  seg_cs32_cpl3.selector = SEL_CS32_CPL3;
  seg_cs32_cpl3.dpl = 3;
  struct kvm_segment seg_ds32_cpl3 = seg_ds32;
  seg_ds32_cpl3.selector = SEL_DS32_CPL3;
  seg_ds32_cpl3.dpl = 3;
  struct kvm_segment seg_cs64 = seg_cs16;
  seg_cs64.selector = SEL_CS64;
  seg_cs64.l = 1;
  struct kvm_segment seg_ds64 = seg_ds32;
  seg_ds64.selector = SEL_DS64;
  struct kvm_segment seg_cs64_cpl3 = seg_cs64;
  seg_cs64_cpl3.selector = SEL_CS64_CPL3;
  seg_cs64_cpl3.dpl = 3;
  struct kvm_segment seg_ds64_cpl3 = seg_ds64;
  seg_ds64_cpl3.selector = SEL_DS64_CPL3;
  seg_ds64_cpl3.dpl = 3;
  struct kvm_segment seg_tss32;
  seg_tss32.selector = SEL_TSS32;
  seg_tss32.type = 9;
  seg_tss32.base = ADDR_VAR_TSS32;
  seg_tss32.limit = 0x1ff;
  seg_tss32.present = 1;
  seg_tss32.dpl = 0;
  seg_tss32.s = 0;
  seg_tss32.g = 0;
  seg_tss32.db = 0;
  seg_tss32.l = 0;
  struct kvm_segment seg_tss32_2 = seg_tss32;
  seg_tss32_2.selector = SEL_TSS32_2;
  seg_tss32_2.base = ADDR_VAR_TSS32_2;
  struct kvm_segment seg_tss32_cpl3 = seg_tss32;
  seg_tss32_cpl3.selector = SEL_TSS32_CPL3;
  seg_tss32_cpl3.base = ADDR_VAR_TSS32_CPL3;
  struct kvm_segment seg_tss32_vm86 = seg_tss32;
  seg_tss32_vm86.selector = SEL_TSS32_VM86;
  seg_tss32_vm86.base = ADDR_VAR_TSS32_VM86;
  struct kvm_segment seg_tss16 = seg_tss32;
  seg_tss16.selector = SEL_TSS16;
  seg_tss16.base = ADDR_VAR_TSS16;
  seg_tss16.limit = 0xff;
  seg_tss16.type = 1;
  struct kvm_segment seg_tss16_2 = seg_tss16;
  seg_tss16_2.selector = SEL_TSS16_2;
  seg_tss16_2.base = ADDR_VAR_TSS16_2;
  seg_tss16_2.dpl = 0;
  struct kvm_segment seg_tss16_cpl3 = seg_tss16;
  seg_tss16_cpl3.selector = SEL_TSS16_CPL3;
  seg_tss16_cpl3.base = ADDR_VAR_TSS16_CPL3;
  seg_tss16_cpl3.dpl = 3;
  struct kvm_segment seg_tss64 = seg_tss32;
  seg_tss64.selector = SEL_TSS64;
  seg_tss64.base = ADDR_VAR_TSS64;
  seg_tss64.limit = 0x1ff;
  struct kvm_segment seg_tss64_cpl3 = seg_tss64;
  seg_tss64_cpl3.selector = SEL_TSS64_CPL3;
  seg_tss64_cpl3.base = ADDR_VAR_TSS64_CPL3;
  seg_tss64_cpl3.dpl = 3;
  struct kvm_segment seg_cgate16;
  seg_cgate16.selector = SEL_CGATE16;
  seg_cgate16.type = 4;
  seg_cgate16.base = SEL_CS16 | (2 << 16);
  seg_cgate16.limit = ADDR_VAR_USER_CODE2;
  seg_cgate16.present = 1;
  seg_cgate16.dpl = 0;
  seg_cgate16.s = 0;
  seg_cgate16.g = 0;
  seg_cgate16.db = 0;
  seg_cgate16.l = 0;
  seg_cgate16.avl = 0;
  struct kvm_segment seg_tgate16 = seg_cgate16;
  seg_tgate16.selector = SEL_TGATE16;
  seg_tgate16.type = 3;
  seg_cgate16.base = SEL_TSS16_2;
  seg_tgate16.limit = 0;
  struct kvm_segment seg_cgate32 = seg_cgate16;
  seg_cgate32.selector = SEL_CGATE32;
  seg_cgate32.type = 12;
  seg_cgate32.base = SEL_CS32 | (2 << 16);
  struct kvm_segment seg_tgate32 = seg_cgate32;
  seg_tgate32.selector = SEL_TGATE32;
  seg_tgate32.type = 11;
  seg_tgate32.base = SEL_TSS32_2;
  seg_tgate32.limit = 0;
  struct kvm_segment seg_cgate64 = seg_cgate16;
  seg_cgate64.selector = SEL_CGATE64;
  seg_cgate64.type = 12;
  seg_cgate64.base = SEL_CS64;
  int kvmfd = open("/dev/kvm", O_RDWR);
  char buf[sizeof(struct kvm_cpuid2) + 128 * sizeof(struct kvm_cpuid_entry2)];
  memset(buf, 0, sizeof(buf));
  struct kvm_cpuid2* cpuid = (struct kvm_cpuid2*)buf;
  cpuid->nent = 128;
  ioctl(kvmfd, KVM_GET_SUPPORTED_CPUID, cpuid);
  ioctl(cpufd, KVM_SET_CPUID2, cpuid);
  close(kvmfd);
  const char* text_prefix = 0;
  int text_prefix_size = 0;
  char* host_text = host_mem + ADDR_TEXT;
  if (text_type == 8) {
    if (flags & KVM_SETUP_SMM) {
      if (flags & KVM_SETUP_PROTECTED) {
        sregs.cs = seg_cs16;
        sregs.ds = sregs.es = sregs.fs = sregs.gs = sregs.ss = seg_ds16;
        sregs.cr0 |= CR0_PE;
      } else {
        sregs.cs.selector = 0;
        sregs.cs.base = 0;
      }
      *(host_mem + ADDR_TEXT) = 0xf4;
      host_text = host_mem + 0x8000;
      ioctl(cpufd, KVM_SMI, 0);
    } else if (flags & KVM_SETUP_VIRT86) {
      sregs.cs = seg_cs32;
      sregs.ds = sregs.es = sregs.fs = sregs.gs = sregs.ss = seg_ds32;
      sregs.cr0 |= CR0_PE;
      sregs.efer |= EFER_SCE;
      setup_syscall_msrs(cpufd, SEL_CS32, SEL_CS32_CPL3);
      setup_32bit_idt(&sregs, host_mem, guest_mem);
      if (flags & KVM_SETUP_PAGING) {
        uint64_t pd_addr = guest_mem + ADDR_PD;
        uint64_t* pd = (uint64_t*)(host_mem + ADDR_PD);
        pd[0] = PDE32_PRESENT | PDE32_RW | PDE32_USER | PDE32_PS;
        sregs.cr3 = pd_addr;
        sregs.cr4 |= CR4_PSE;
        text_prefix = kvm_asm32_paged_vm86;
        text_prefix_size = sizeof(kvm_asm32_paged_vm86) - 1;
      } else {
        text_prefix = kvm_asm32_vm86;
        text_prefix_size = sizeof(kvm_asm32_vm86) - 1;
      }
    } else {
      sregs.cs.selector = 0;
      sregs.cs.base = 0;
    }
  } else if (text_type == 16) {
    if (flags & KVM_SETUP_CPL3) {
      sregs.cs = seg_cs16;
      sregs.ds = sregs.es = sregs.fs = sregs.gs = sregs.ss = seg_ds16;
      text_prefix = kvm_asm16_cpl3;
      text_prefix_size = sizeof(kvm_asm16_cpl3) - 1;
    } else {
      sregs.cr0 |= CR0_PE;
      sregs.cs = seg_cs16;
      sregs.ds = sregs.es = sregs.fs = sregs.gs = sregs.ss = seg_ds16;
    }
  } else if (text_type == 32) {
    sregs.cr0 |= CR0_PE;
    sregs.efer |= EFER_SCE;
    setup_syscall_msrs(cpufd, SEL_CS32, SEL_CS32_CPL3);
    setup_32bit_idt(&sregs, host_mem, guest_mem);
    if (flags & KVM_SETUP_SMM) {
      sregs.cs = seg_cs32;
      sregs.ds = sregs.es = sregs.fs = sregs.gs = sregs.ss = seg_ds32;
      *(host_mem + ADDR_TEXT) = 0xf4;
      host_text = host_mem + 0x8000;
      ioctl(cpufd, KVM_SMI, 0);
    } else if (flags & KVM_SETUP_PAGING) {
      sregs.cs = seg_cs32;
      sregs.ds = sregs.es = sregs.fs = sregs.gs = sregs.ss = seg_ds32;
      uint64_t pd_addr = guest_mem + ADDR_PD;
      uint64_t* pd = (uint64_t*)(host_mem + ADDR_PD);
      pd[0] = PDE32_PRESENT | PDE32_RW | PDE32_USER | PDE32_PS;
      sregs.cr3 = pd_addr;
      sregs.cr4 |= CR4_PSE;
      text_prefix = kvm_asm32_paged;
      text_prefix_size = sizeof(kvm_asm32_paged) - 1;
    } else if (flags & KVM_SETUP_CPL3) {
      sregs.cs = seg_cs32_cpl3;
      sregs.ds = sregs.es = sregs.fs = sregs.gs = sregs.ss = seg_ds32_cpl3;
    } else {
      sregs.cs = seg_cs32;
      sregs.ds = sregs.es = sregs.fs = sregs.gs = sregs.ss = seg_ds32;
    }
  } else {
    sregs.efer |= EFER_LME | EFER_SCE;
    sregs.cr0 |= CR0_PE;
    setup_syscall_msrs(cpufd, SEL_CS64, SEL_CS64_CPL3);
    setup_64bit_idt(&sregs, host_mem, guest_mem);
    sregs.cs = seg_cs32;
    sregs.ds = sregs.es = sregs.fs = sregs.gs = sregs.ss = seg_ds32;
    uint64_t pml4_addr = guest_mem + ADDR_PML4;
    uint64_t* pml4 = (uint64_t*)(host_mem + ADDR_PML4);
    uint64_t pdpt_addr = guest_mem + ADDR_PDP;
    uint64_t* pdpt = (uint64_t*)(host_mem + ADDR_PDP);
    uint64_t pd_addr = guest_mem + ADDR_PD;
    uint64_t* pd = (uint64_t*)(host_mem + ADDR_PD);
    pml4[0] = PDE64_PRESENT | PDE64_RW | PDE64_USER | pdpt_addr;
    pdpt[0] = PDE64_PRESENT | PDE64_RW | PDE64_USER | pd_addr;
    pd[0] = PDE64_PRESENT | PDE64_RW | PDE64_USER | PDE64_PS;
    sregs.cr3 = pml4_addr;
    sregs.cr4 |= CR4_PAE;
    if (flags & KVM_SETUP_VM) {
      sregs.cr0 |= CR0_NE;
      *((uint64_t*)(host_mem + ADDR_VAR_VMXON_PTR)) = ADDR_VAR_VMXON;
      *((uint64_t*)(host_mem + ADDR_VAR_VMCS_PTR)) = ADDR_VAR_VMCS;
      memcpy(host_mem + ADDR_VAR_VMEXIT_CODE, kvm_asm64_vm_exit,
             sizeof(kvm_asm64_vm_exit) - 1);
      *((uint64_t*)(host_mem + ADDR_VAR_VMEXIT_PTR)) = ADDR_VAR_VMEXIT_CODE;
      text_prefix = kvm_asm64_init_vm;
      text_prefix_size = sizeof(kvm_asm64_init_vm) - 1;
    } else if (flags & KVM_SETUP_CPL3) {
      text_prefix = kvm_asm64_cpl3;
      text_prefix_size = sizeof(kvm_asm64_cpl3) - 1;
    } else {
      text_prefix = kvm_asm64_enable_long;
      text_prefix_size = sizeof(kvm_asm64_enable_long) - 1;
    }
  }
  struct tss16 tss16;
  memset(&tss16, 0, sizeof(tss16));
  tss16.ss0 = tss16.ss1 = tss16.ss2 = SEL_DS16;
  tss16.sp0 = tss16.sp1 = tss16.sp2 = ADDR_STACK0;
  tss16.ip = ADDR_VAR_USER_CODE2;
  tss16.flags = (1 << 1);
  tss16.cs = SEL_CS16;
  tss16.es = tss16.ds = tss16.ss = SEL_DS16;
  tss16.ldt = SEL_LDT;
  struct tss16* tss16_addr = (struct tss16*)(host_mem + seg_tss16_2.base);
  memcpy(tss16_addr, &tss16, sizeof(tss16));
  memset(&tss16, 0, sizeof(tss16));
  tss16.ss0 = tss16.ss1 = tss16.ss2 = SEL_DS16;
  tss16.sp0 = tss16.sp1 = tss16.sp2 = ADDR_STACK0;
  tss16.ip = ADDR_VAR_USER_CODE2;
  tss16.flags = (1 << 1);
  tss16.cs = SEL_CS16_CPL3;
  tss16.es = tss16.ds = tss16.ss = SEL_DS16_CPL3;
  tss16.ldt = SEL_LDT;
  struct tss16* tss16_cpl3_addr =
      (struct tss16*)(host_mem + seg_tss16_cpl3.base);
  memcpy(tss16_cpl3_addr, &tss16, sizeof(tss16));
  struct tss32 tss32;
  memset(&tss32, 0, sizeof(tss32));
  tss32.ss0 = tss32.ss1 = tss32.ss2 = SEL_DS32;
  tss32.sp0 = tss32.sp1 = tss32.sp2 = ADDR_STACK0;
  tss32.ip = ADDR_VAR_USER_CODE;
  tss32.flags = (1 << 1) | (1 << 17);
  tss32.ldt = SEL_LDT;
  tss32.cr3 = sregs.cr3;
  tss32.io_bitmap = offsetof(struct tss32, io_bitmap);
  struct tss32* tss32_addr = (struct tss32*)(host_mem + seg_tss32_vm86.base);
  memcpy(tss32_addr, &tss32, sizeof(tss32));
  memset(&tss32, 0, sizeof(tss32));
  tss32.ss0 = tss32.ss1 = tss32.ss2 = SEL_DS32;
  tss32.sp0 = tss32.sp1 = tss32.sp2 = ADDR_STACK0;
  tss32.ip = ADDR_VAR_USER_CODE;
  tss32.flags = (1 << 1);
  tss32.cr3 = sregs.cr3;
  tss32.es = tss32.ds = tss32.ss = tss32.gs = tss32.fs = SEL_DS32;
  tss32.cs = SEL_CS32;
  tss32.ldt = SEL_LDT;
  tss32.cr3 = sregs.cr3;
  tss32.io_bitmap = offsetof(struct tss32, io_bitmap);
  struct tss32* tss32_cpl3_addr = (struct tss32*)(host_mem + seg_tss32_2.base);
  memcpy(tss32_cpl3_addr, &tss32, sizeof(tss32));
  struct tss64 tss64;
  memset(&tss64, 0, sizeof(tss64));
  tss64.rsp[0] = ADDR_STACK0;
  tss64.rsp[1] = ADDR_STACK0;
  tss64.rsp[2] = ADDR_STACK0;
  tss64.io_bitmap = offsetof(struct tss64, io_bitmap);
  struct tss64* tss64_addr = (struct tss64*)(host_mem + seg_tss64.base);
  memcpy(tss64_addr, &tss64, sizeof(tss64));
  memset(&tss64, 0, sizeof(tss64));
  tss64.rsp[0] = ADDR_STACK0;
  tss64.rsp[1] = ADDR_STACK0;
  tss64.rsp[2] = ADDR_STACK0;
  tss64.io_bitmap = offsetof(struct tss64, io_bitmap);
  struct tss64* tss64_cpl3_addr =
      (struct tss64*)(host_mem + seg_tss64_cpl3.base);
  memcpy(tss64_cpl3_addr, &tss64, sizeof(tss64));
  if (text_size > 1000)
    text_size = 1000;
  if (text_prefix) {
    memcpy(host_text, text_prefix, text_prefix_size);
    void* patch = memmem(host_text, text_prefix_size, "\xde\xc0\xad\x0b", 4);
    if (patch)
      *((uint32_t*)patch) =
          guest_mem + ADDR_TEXT + ((char*)patch - host_text) + 6;
    uint16_t magic = PREFIX_SIZE;
    patch = memmem(host_text, text_prefix_size, &magic, sizeof(magic));
    if (patch)
      *((uint16_t*)patch) = guest_mem + ADDR_TEXT + text_prefix_size;
  }
  memcpy((void*)(host_text + text_prefix_size), text, text_size);
  *(host_text + text_prefix_size + text_size) = 0xf4;
  memcpy(host_mem + ADDR_VAR_USER_CODE, text, text_size);
  *(host_mem + ADDR_VAR_USER_CODE + text_size) = 0xf4;
  *(host_mem + ADDR_VAR_HLT) = 0xf4;
  memcpy(host_mem + ADDR_VAR_SYSRET, "\x0f\x07\xf4", 3);
  memcpy(host_mem + ADDR_VAR_SYSEXIT, "\x0f\x35\xf4", 3);
  *(uint64_t*)(host_mem + ADDR_VAR_VMWRITE_FLD) = 0;
  *(uint64_t*)(host_mem + ADDR_VAR_VMWRITE_VAL) = 0;
  if (opt_count > 2)
    opt_count = 2;
  for (uintptr_t i = 0; i < opt_count; i++) {
    uint64_t typ = opt_array_ptr[i].typ;
    uint64_t val = opt_array_ptr[i].val;
    switch (typ % 9) {
    case 0:
      sregs.cr0 ^= val & (CR0_MP | CR0_EM | CR0_ET | CR0_NE | CR0_WP | CR0_AM |
                          CR0_NW | CR0_CD);
      break;
    case 1:
      sregs.cr4 ^=
          val & (CR4_VME | CR4_PVI | CR4_TSD | CR4_DE | CR4_MCE | CR4_PGE |
                 CR4_PCE | CR4_OSFXSR | CR4_OSXMMEXCPT | CR4_UMIP | CR4_VMXE |
                 CR4_SMXE | CR4_FSGSBASE | CR4_PCIDE | CR4_OSXSAVE | CR4_SMEP |
                 CR4_SMAP | CR4_PKE);
      break;
    case 2:
      sregs.efer ^= val & (EFER_SCE | EFER_NXE | EFER_SVME | EFER_LMSLE |
                           EFER_FFXSR | EFER_TCE);
      break;
    case 3:
      val &=
          ((1 << 8) | (1 << 9) | (1 << 10) | (1 << 12) | (1 << 13) | (1 << 14) |
           (1 << 15) | (1 << 18) | (1 << 19) | (1 << 20) | (1 << 21));
      regs.rflags ^= val;
      tss16_addr->flags ^= val;
      tss16_cpl3_addr->flags ^= val;
      tss32_addr->flags ^= val;
      tss32_cpl3_addr->flags ^= val;
      break;
    case 4:
      seg_cs16.type = val & 0xf;
      seg_cs32.type = val & 0xf;
      seg_cs64.type = val & 0xf;
      break;
    case 5:
      seg_cs16_cpl3.type = val & 0xf;
      seg_cs32_cpl3.type = val & 0xf;
      seg_cs64_cpl3.type = val & 0xf;
      break;
    case 6:
      seg_ds16.type = val & 0xf;
      seg_ds32.type = val & 0xf;
      seg_ds64.type = val & 0xf;
      break;
    case 7:
      seg_ds16_cpl3.type = val & 0xf;
      seg_ds32_cpl3.type = val & 0xf;
      seg_ds64_cpl3.type = val & 0xf;
      break;
    case 8:
      *(uint64_t*)(host_mem + ADDR_VAR_VMWRITE_FLD) = (val & 0xffff);
      *(uint64_t*)(host_mem + ADDR_VAR_VMWRITE_VAL) = (val >> 16);
      break;
    default:
      exit(1);
    }
  }
  regs.rflags |= 2;
  fill_segment_descriptor(gdt, ldt, &seg_ldt);
  fill_segment_descriptor(gdt, ldt, &seg_cs16);
  fill_segment_descriptor(gdt, ldt, &seg_ds16);
  fill_segment_descriptor(gdt, ldt, &seg_cs16_cpl3);
  fill_segment_descriptor(gdt, ldt, &seg_ds16_cpl3);
  fill_segment_descriptor(gdt, ldt, &seg_cs32);
  fill_segment_descriptor(gdt, ldt, &seg_ds32);
  fill_segment_descriptor(gdt, ldt, &seg_cs32_cpl3);
  fill_segment_descriptor(gdt, ldt, &seg_ds32_cpl3);
  fill_segment_descriptor(gdt, ldt, &seg_cs64);
  fill_segment_descriptor(gdt, ldt, &seg_ds64);
  fill_segment_descriptor(gdt, ldt, &seg_cs64_cpl3);
  fill_segment_descriptor(gdt, ldt, &seg_ds64_cpl3);
  fill_segment_descriptor(gdt, ldt, &seg_tss32);
  fill_segment_descriptor(gdt, ldt, &seg_tss32_2);
  fill_segment_descriptor(gdt, ldt, &seg_tss32_cpl3);
  fill_segment_descriptor(gdt, ldt, &seg_tss32_vm86);
  fill_segment_descriptor(gdt, ldt, &seg_tss16);
  fill_segment_descriptor(gdt, ldt, &seg_tss16_2);
  fill_segment_descriptor(gdt, ldt, &seg_tss16_cpl3);
  fill_segment_descriptor_dword(gdt, ldt, &seg_tss64);
  fill_segment_descriptor_dword(gdt, ldt, &seg_tss64_cpl3);
  fill_segment_descriptor(gdt, ldt, &seg_cgate16);
  fill_segment_descriptor(gdt, ldt, &seg_tgate16);
  fill_segment_descriptor(gdt, ldt, &seg_cgate32);
  fill_segment_descriptor(gdt, ldt, &seg_tgate32);
  fill_segment_descriptor_dword(gdt, ldt, &seg_cgate64);
  if (ioctl(cpufd, KVM_SET_SREGS, &sregs))
    return -1;
  if (ioctl(cpufd, KVM_SET_REGS, &regs))
    return -1;
  return 0;
}

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 = 0;
  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)) {
  }
  initialize_tun();
  initialize_netdevices();
  setup_binderfs();
  loop();
  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 loop(void)
{
  int i, call, thread;
  for (call = 0; call < 8; 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);
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    memcpy((void*)0x20000000, "/dev/kvm\000", 9);
    res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000000ul, 0ul, 0ul);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    res = syscall(__NR_ioctl, r[0], 0xae01, 0ul);
    if (res != -1)
      r[1] = res;
    break;
  case 2:
    res = syscall(__NR_ioctl, r[1], 0xae41, 0ul);
    if (res != -1)
      r[2] = res;
    break;
  case 3:
    *(uint32_t*)0x20000180 = 0;
    *(uint32_t*)0x20000184 = 2;
    *(uint64_t*)0x20000188 = 0;
    *(uint64_t*)0x20000190 = 0x2000;
    *(uint64_t*)0x20000198 = 0x20000000;
    syscall(__NR_ioctl, r[1], 0x4020ae46, 0x20000180ul);
    break;
  case 4:
    *(uint64_t*)0x200000c0 = 0x40;
    *(uint64_t*)0x200000c8 = 0;
    *(uint64_t*)0x200000d0 = 0;
    syz_kvm_setup_cpu(r[1], r[2], 0x20000000, 0x200000c0, 1, 0, 0, 0);
    break;
  case 5:
    *(uint32_t*)0x20000400 = -1;
    memcpy(
        (void*)0x20000408,
        "\x5f\xb2\xa2\x20\x8e\xbc\xbb\xd7\x91\xd9\x21\x47\x16\x25\x29\x24\x61"
        "\x0f\xfa\xf7\x58\x57\xcf\xfc\xd2\xbd\xfa\x32\x79\x0c\x8c\xea\x9f\x87"
        "\xfc\xed\x5c\x4d\x47\xcf\xf9\xf5\x4d\xb9\x7f\x3c\x26\x4d\x2c\x61\xc5"
        "\x0c\x42\xf7\x37\x65\x79\xec\x54\xf6\x93\x29\x99\x3e\xbb\xb7\x2a\x1c"
        "\x12\x28\x86\x4b\x79\xd0\x5b\xbf\xcb\xb5\x4b\xe2\x9c\x45\x17\xce\x92"
        "\x56\xab\xc9\x16\xa2\xb5\x24\x5e\xbe\x13\x3d\xa2\xd9\x9d\x18\x1e\x88"
        "\xce\x34\x92\x24\xe8\x39\x81\xea\x86\x65\x8e\x5d\xca\xa4\x5e\xc1\x03"
        "\x3e\x44\x22\x45\x8e\x80\xb3\xdf\x51\x90\x76\x58\x70\x4f\xa3\xbf\x87"
        "\x28\xa8\x52\x75\xf1\xfb\x7a\x98\x73\xc8\x3d\xde\x0f\x87\xdf\x75\x79"
        "\x41\xda\x3f\x80\xee\x79\x76\x90\x8d\x01\xad\xcc\x89\x91\xff\x13\xeb"
        "\xff\xd6\x1a\x5f\x9f\xb9\x4c\xf6\x7e\x25\xf8\x79\xa7\xe1\x5b\x44\xb3"
        "\xe2\x64\x2c\xb6\xff\xf4\xdb\x98\x84\x52\xea\xbc\xab\x6a\x6b\x8c\xae"
        "\xd3\xe7\x05\xde\x60\xc8\xe0\x4e\x8a\x78\x05\xf0\x89\x34\xab\xcb\x8b"
        "\x46\xb0\x8f\x42\xba\xad\x77\xe3\x90\xf0\x18\x80\x49\x74\x01\x95\x16"
        "\xb9\x58\x8b\x08\xc7\xd6\x96\x6c\xea\x54\x71\x33\xc9\x46\x40\x72\xb8"
        "\x92\x6b\x87\x7b\x52\x3d\x2a\xb3\x4a\x14\xf2\xeb\x6d\xdd\x8f\x18\x50"
        "\x36\xde\xd3\x49\x50\x59\xc8\x74\xf2\x62\xdd\x6e\x34\xb1\x1e\x60\x57"
        "\x68\x76\xa4\x1a\xf0\xb2\xe0\x15\xa9\x97\x15\x5f\xed\xd6\x18\x22\xaa"
        "\xd1\x92\x8d\x03\x8e\x16\x64\x64\xae\x88\xe4\x42\x0a\x79\x6e\x55\xa8"
        "\xf6\xaa\x64\x50\x3e\xc3\x2a\x6e\x20\x78\x0c\x38\xc8\x67\x90\x71\xa2"
        "\xa1\xea\x3e\xf2\x20\x59\xa1\x9e\x7d\x8a\x00\x19\x63\xc5\x74\xf4\x72"
        "\x6d\x8b\x15\x2c\x72\x4e\x55\x0d\x76\xba\xfd\x64\x6b\x6f\xd8\xb8\x1e"
        "\x56\x0b\x75\xc9\xaa\x1f\x34\xb8\x04\xf7\x75\x12\x63\xe4\x08\x30\x20"
        "\xed\xad\x76\x89\x82\x5b\xfb\xd3\x35\xef\x57\x56\xa0\xe7\x33\x1d\xc6"
        "\x90\x5e\xd3\x9e\xcf\x85\x6b\x96\x13\x01\x47\xec\xe5\x7e\xe1\xe1\xdc"
        "\xf6\xf7\x60\x59\xe8\x53\x4a\x38\x34\x4f\x12\xa8\x4e\x83\x9b\x07\x1c"
        "\xbb\x13\xd4\x0f\xe2\x21\xe8\x9e\x05\xe1\xfd\xdf\x0a\x2b\x76\x07\x1d"
        "\xfb\x30\x7f\x99\xac\xa3\xe4\x84\xc2\x44\x87\x61\x70\x0c\xb5\xa7\xac"
        "\xb1\x10\xe1\x34\x05\x2b\xba\x02\xd6\x40\x83\x43\x4b\xc8\x74\x95\xc2"
        "\x78\x93\xc5\x73\xe2\x5a\x0e\xa9\xce\x26\xef\xc3\xea\xad\x32\x7a\xb6"
        "\xaf\x05\x18\x2d\x98\x04\x54\x31\x43\x36\x7e\xf8\x99\xba\x44\x3c\xc3"
        "\x34\xe2\x04\x92\xb1\x14\x9f\x0f\xe2\x70\x60\x5e\x98\x5b\x2f\x60\x25"
        "\x91\xde\xe0\x5d\xe0\x3a\xc7\x50\xbc\xee\xbe\x5a\x79\x83\x3a\x19\x63"
        "\x72\xae\x6f\xd0\x36\x27\xaa\x22\x36\xee\xdb\x15\x36\x85\x33\x18\x6a"
        "\x1e\x0c\xef\xc1\x44\x7e\x2f\x0e\xb8\xdd\x2d\xec\x9a\x8c\x66\x95\x51"
        "\x0d\xa0\xcb\xd8\x6a\xee\x60\x46\x95\x67\xcf\xdd\x98\x7a\x0a\xb0\x00"
        "\x5e\x5d\xc2\xd0\xcc\x41\xa1\xb7\xc4\xa7\xae\x61\x29\x5e\xbd\xcc\x4b"
        "\x41\x69\x5e\xd2\x27\xa5\xc7\x62\x9a\x61\x5a\x85\x60\x59\xcb\x25\xff"
        "\xee\x4f\x00\xc2\x83\x29\x5c\x5b\x06\x30\x59\x3b\x1f\xa6\xdc\x40\x96"
        "\x9a\xd9\x01\x6c\x1d\xab\xf5\x39\x8e\xed\x1a\x74\x68\xc8\x6e\x7e\x96"
        "\x96\xec\x1d\x9e\x53\x1a\x67\x08\xdb\x2a\xd0\xd9\x43\x90\x48\xf8\x83"
        "\x92\x1b\x56\x1f\x6c\x25\xf5\x23\xd6\x4d\x6e\x9a\x76\x82\x15\xc0\xef"
        "\x56\x3d\xfd\x5a\x75\x71\x7f\xb3\x43\x63\xa3\x00\x1e\x4f\x4e\xbb\x95"
        "\x9d\xae\x10\xd1\x29\x23\xfb\x54\xd4\x66\x03\x0e\x8a\x18\x5e\x2a\x98"
        "\xa7\x2c\xa8\x55\xfd\x43\x0a\xca\x89\xb6\xb5\xfd\x85\x25\x08\xf5\x83"
        "\x3c\xef\x24\x53\x75\x8f\x27\x97\x3b\xce\x39\xda\xc2\xc0\xc7\x92\x1a"
        "\x70\xfc\xfb\x96\x52\x90\x7d\xfc\x13\x9e\x7b\x32\xdb\xfe\xe6\xfb\x3b"
        "\xb7\x0f\x7b\x88\xe4\x9b\xd0\x4b\x79\x4e\xfc\x0f\x31\x80\x60\x0e\xc0"
        "\xee\x72\x2c\x6b\xd5\xe6\x2b\x51\x84\x68\xb9\x49\xa1\x2a\x13\x7c\xd3"
        "\x11\xea\x92\xff\xc1\x4e\xa8\xf3\x96\x38\x84\xf1\xcf\x8f\x10\x3c\xe0"
        "\x41\xb5\x79\xd9\x16\xb6\xb2\xf9\x54\xf9\x50\xe6\x7f\x06\x14\xe1\xe7"
        "\x8f\x37\x53\x16\xec\x5c\xda\xcd\x24\x25\x80\x20\x13\x77\x4e\x53\x00"
        "\x59\x27\xd1\xb4\x32\xa9\xb0\xd5\x68\xe2\x07\x06\xca\x9f\x02\xd8\xbc"
        "\xfe\x21\x7f\x07\x6a\x3c\x05\xb5\x38\xb2\x83\x05\x57\xf3\xe6\xce\xb3"
        "\x15\x53\xb4\xaf\x4b\x67\x6c\x66\xd5\x74\x86\x01\x31\xc9\x0a\x2c\x7f"
        "\x5a\xc4\x47\x22\xe5\x29\xe4\xbd\xa1\x1f\x5f\xbc\x15\x53\x07\x60\x9e"
        "\xf0\x38\x8b\x9b\x29\x53\x34\xcb\xcd\x4f\x1e\x42\x47\xce\xa5\x75\x6b"
        "\xd2\xe7\x28\xcd\xda\x6a\x8a\x60\x93\xaf\x05\x8c\xf0\x81\xf8\xde\x6b"
        "\x0f\x8b\xf6\x02\x52\xea\x83\xe3\x98\x4c\x94\xc4\xed\xcb\xc5\xd7\x3e"
        "\xf1\x99\x82\x46\xc1\x81\x79\x9c\x3c\x07\x83\xca\x9f\xe8\xec\xfc\xfa"
        "\x1d\x12\xc2\xbb\x56\x44\x30\xef\x48\x6b\x97\x91\xf3\x7d\x86\x61\xde"
        "\xd7\x86\x28\x59\xa2\x87\x37\x76\x1b\xd6\xd5\x56\x95\xd5\x95\xd7\x75"
        "\x3c\x59\x9a\x00\x78\x4f\x70\x88\x27\x8a\xa6\x98\x2d\x0c\x7d\x80\xa8"
        "\xde\x9c\x94\x3d\xcd\x6c\xfc\x41\x57\x2f\xf5\xa8\xc1\x41\x61\x95\x13"
        "\xec\xa9\x75\x03\xab\x59\x29\x76\x19\xf9\xfe\x7c\xc2\x34\xef\x86\x5f"
        "\x2e\x1f\x93\x61\x25\xb0\x12\x92\xa1\xc9\xb3\x3b\xa1\xd4\xa7\x3e\xd4"
        "\xe4\x95\xe7\xbd\x10\x94\xae\x4b\xb3\x99\x35\x13\x1b\x61\x0a\xa6\x92"
        "\xfb\x2f\x46\x36\x86\x4d\xbb\x72\x29\x53\x85\xa6\xb2\xf2\x58\xac\x34"
        "\x3b\x21\x77\x8e\xa2\xf0\x04\x29\x59\xa3\xfc\x6b\x79\x79\x0f\xd3\x0e"
        "\xe4\xa8\x44\xb5\xf6\x46\x52\x3b\x3a\x6c\xcb\xee\x23\x64\xe2\xa7\x13"
        "\x32\x45\x61\x6c\x8c\x79\x54\x07\xf3\x3b\x09\xd8\x0e\xd1\x95\xe2\x97"
        "\x6e\xba\x0b\xdd\x8a\xb4\x06\x7d\x38\xac\xcf\x60\x1a\x73\x15\xd7\x2c"
        "\xe0\x91\xf0\x4f\x42\xd8\xb5\x5d\x2a\x8a\x1b\x6a\x84\xb1\x2d\x78\x9c"
        "\x11\x9a\x49\xc2\x2e\x35\xf0\xeb\xb9\x5e\xd5\x05\x7b\x40\x82\xbb\x61"
        "\x94\x6b\xe6\xfc\x32\xab\x25\xa3\x89\x74\x8c\x2b\x5e\xc6\xcc\x31\xf4"
        "\xea\xe6\xd3\x11\x33\xdb\xf5\xe2\x64\xaa\x85\x1a\x61\x8c\x05\x8b\x50"
        "\x14\x85\x1a\x9e\xe6\x27\x1e\x73\x7f\x90\x63\x1b\x23\x0e\xd3\xa6\xcd"
        "\x04\xcc\xaa\xfe\xa6\x11\x22\xae\xf9\x30\x97\xc5\xac\xd3\xd3\xef\x4c"
        "\xe6\xbb\x0d\xdd\x64\x1c\x4f\x8e\xd7\x76\x46\x3c\x36\xdc\x1c\x4e\xaa"
        "\xcb\xda\xf0\x68\xa3\xd1\x7a\x87\x5a\xb5\x59\x8e\x4f\xed\xea\xb7\x92"
        "\x57\xf6\x73\xfe\xb9\x60\x56\xaf\x9c\x21\xee\x82\xb8\xb2\x59\x43\xfb"
        "\xee\x55\xb7\xce\x2f\x5f\x8a\xd5\x53\x69\x5c\xcd\xab\x9e\xd0\x3e\x90"
        "\x65\x62\x91\xfa\x5c\x8b\xc7\x8a\x49\x9a\x95\x70\xcb\x2b\xdc\x92\x8b"
        "\x2e\xcc\x7a\xbf\x85\x82\x5c\xed\xf3\x8a\x61\x46\x95\x24\x1f\xc3\x81"
        "\x1a\x66\x72\xfc\xf7\x5c\x3a\xa5\x54\x6c\x20\xcf\x7c\x63\x0b\x0e\x94"
        "\x5d\x8c\x9c\xdb\xee\x7a\x38\x21\xca\x4b\xa8\xac\x2f\xd9\xdd\xbc\xbe"
        "\xc9\xe5\x3e\xb6\x65\xdc\x5f\xd3\x0d\x07\x1d\xf1\x67\x46\x25\xab\xcf"
        "\xf3\x48\x87\x2f\x02\x0a\xd4\x1a\xf4\x87\xff\xd0\xba\x42\x44\xca\x0a"
        "\xd6\x90\x67\x59\x31\x4a\xde\x7f\xfd\x2c\x63\xd8\x68\xa6\x30\x34\xe2"
        "\xd8\x16\x4f\x82\x75\xb2\x3a\x47\xdf\xa0\x2d\x89\x1b\xce\xf4\x31\x06"
        "\xc9\x01\xd2\xbc\x71\xb9\xad\x57\x6c\x93\xa1\x0c\x85\x22\x0e\xef\x17"
        "\x1e\xcf\xa3\x75\x30\x93\x97\x0b\x35\x6c\x0b\x24\x0a\x9a\x17\xa1\xb4"
        "\xa3\x48\x51\xe8\xed\x04\x6a\x65\x41\x25\x05\xce\xed\x0b\x36\xa0\x81"
        "\x37\x8e\x2d\x3d\xad\xac\x9d\x13\x2f\xf1\x0e\x02\xd4\x37\xca\xd5\x42"
        "\x36\x69\x9e\xa5\x2a\xf8\xe0\x3c\x59\x9d\x4d\x84\x2d\xd0\x5f\x62\x0f"
        "\x2c\x45\x76\x2c\x6f\x26\x9b\x1a\x6f\x46\xb2\x53\xab\x62\xb0\xa5\x0e"
        "\xd7\x87\xe6\xbb\x69\x50\xf2\x49\x2c\x23\x82\xcc\x59\x3f\xda\xb2\xe5"
        "\x83\x26\xcb\xd2\xa5\x04\xb5\x20\xab\xe8\x40\xd1\x09\x05\x39\xd1\xb7"
        "\xdf\xd5\xea\xb9\x84\x02\x23\xf5\x96\xc7\x1a\x3d\x4e\x67\xbf\x19\x5f"
        "\xf7\x2b\x0e\xd1\xee\x7a\x2b\x1d\x2f\x55\x1f\x75\x32\x3e\x9a\x22\x6e"
        "\xdb\x44\xdd\x8b\xf5\xf5\xd8\xfc\xda\x43\xf3\x7f\xfd\x9c\xf7\x6c\x34"
        "\x44\x6f\x1f\x3d\xa4\xa1\xb5\xd9\xf6\x72\x89\x7d\x90\xc5\xc0\x9a\xcc"
        "\x52\x78\x30\xf1\x4f\x9a\xf0\x7a\x35\x17\xae\xaf\xed\x96\x8d\x5c\x31"
        "\x1d\xaf\xba\xb0\x83\x87\xb1\x86\x0d\x4c\x33\x34\x0b\xdb\xb9\xd2\x6c"
        "\xfb\xda\xba\xc0\xfc\x2e\xb5\x58\xf8\x0c\x00\x71\xbc\x11\xea\xe6\x2a"
        "\x28\x2b\x51\x89\xef\x40\xa1\x5e\xab\xc2\x48\x40\xbc\x60\x30\x61\xbe"
        "\x7f\x1d\x09\xc5\xf7\x7a\x91\xbc\x29\x01\x76\x38\x7a\x3f\x2e\xeb\x79"
        "\xcb\x24\x4c\xdb\x21\x00\xf3\xb2\x7f\x4a\x44\x37\x04\x9c\x8a\x66\xe3"
        "\x8c\x58\xa5\x7b\x73\x09\x6f\xee\x16\x6e\x9d\xa1\xdf\x87\x54\xf9\xcf"
        "\xb6\x28\x7a\xe7\x9c\x83\xb2\x19\x54\xb1\xac\x70\x97\x3f\x1e\xc7\x08"
        "\xed\x5c\x0d\x27\x19\xb7\x24\x3e\x03\x26\xcf\x42\x6f\x13\xa3\x70\x96"
        "\xea\x22\x27\xdb\xd7\xf5\x41\xfd\xa7\x75\xd1\x02\x68\x31\x7d\x4e\x8b"
        "\x35\xf5\xfa\x66\x4c\xcd\x6c\x16\x57\x00\xca\x50\xd0\x25\xea\xd8\x59"
        "\xf7\xa6\xd4\xc4\x02\x3d\xc9\x61\xf4\x7f\xd8\x8c\xb7\xc4\x12\x17\x35"
        "\xd3\x2e\x64\xc2\x2f\xca\x3e\x5a\xd1\xb2\x16\xc5\x09\x29\x58\x27\xbd"
        "\x30\x72\xb2\x68\x87\x48\x09\x7b\x0b\x19\x0c\xb2\xcc\x29\xb1\x98\xdc"
        "\xcf\x31\xf3\x79\xad\xe4\x77\x91\xae\x33\x87\xef\x6e\x53\x53\xc6\x9b"
        "\x93\xce\x45\x72\xa6\x00\x6f\x61\x78\xc7\xb0\x19\xe2\xf3\x57\xbb\xf6"
        "\x57\x19\x02\x7a\x8b\xe4\x0a\xbc\xa5\x11\xaa\x3a\xde\xb9\x11\x4d\xe1"
        "\xb3\x79\x9c\xad\x3b\xe4\xcd\x46\xab\x2c\x10\xb5\x4e\x72\x4d\xb5\xc9"
        "\xc9\x35\x80\x0f\x2c\x1c\xfd\x32\xbb\x03\x1a\x94\xce\x49\xad\xc5\xd5"
        "\xa5\x60\x4c\x1c\xd5\x97\xec\xd1\x37\x88\x7f\x06\x09\xa1\x9e\xe6\xc6"
        "\x9a\xdf\xf1\x16\xcd\x14\x6c\xf8\x02\x4f\xad\x45\x2c\xc2\xc7\x5e\xee"
        "\x83\x9f\x3f\x41\x62\x21\xd1\xad\xf4\xc3\x14\x4e\x0e\x95\x03\xe3\x98"
        "\x2e\x6b\xd8\xa3\xa8\xd6\xe1\xd7\x95\x47\xa3\x80\x7a\xf5\xd7\xd7\x6e"
        "\x81\xf1\x6f\x5a\x87\xc9\x0c\xcd\xe8\x49\xe3\xb3\x39\x99\x11\xda\x38"
        "\xc1\x9b\xb3\x79\xbb\xba\xc3\xa9\x61\x11\x15\xe6\x60\x3e\xb7\x18\xa1"
        "\x2a\x82\x2e\x5c\x47\xe2\x19\x4c\x97\xbe\x17\x85\xa6\xb0\x82\x65\x3c"
        "\x90\x9f\x5b\x3c\x8c\x51\x9c\x5a\x21\x8e\xa0\x4b\x88\x5f\x52\x27\x86"
        "\x06\x94\xb9\x04\xb6\x11\x40\x9d\x99\xbe\x55\x1a\xc2\x21\x63\xb7\x41"
        "\x2e\xb4\x6b\xbd\x5f\x7d\x4f\x6c\x2a\x31\x15\x26\xf1\x4e\x9f\x84\x97"
        "\xe4\xcc\x8d\x22\xae\x39\x9c\xb4\xdd\xbc\xbf\x1a\x8a\x53\x0f\x6d\x02"
        "\x2d\xc1\x7b\x20\x9d\x30\xb0\xd0\xd1\x89\xe6\x6d\x72\x94\x1e\x26\x6c"
        "\xa0\x48\xee\xf0\x5a\xe6\xd2\x78\x66\xb1\x98\x67\xf9\xb7\xdd\x11\x40"
        "\xf9\x7b\x0e\x98\x42\xa6\x22\x59\x24\x65\x2b\x0a\x31\x09\xc7\xe2\x3c"
        "\x5c\xdf\x97\xcb\x02\x5a\x59\x00\x85\x45\x4f\x7f\x90\x93\x4f\xd9\xab"
        "\xbe\xa1\x32\x5a\x53\x20\x9c\xfb\xce\xb3\x6f\x4f\xd8\x3e\x68\xeb\x6a"
        "\x76\x5a\x3a\x43\x8e\x5e\x15\x7d\x97\xf7\x23\x4b\x59\x81\xd2\x90\x36"
        "\x61\x8b\x5a\x27\x2e\x7c\xc4\x59\x8f\x8f\xab\xde\x62\xdb\x7d\x78\xe1"
        "\x76\x35\x26\x4c\x8e\x96\x55\xdc\x88\xad\x96\x81\x4a\xe9\x50\xc4\xe0"
        "\xc6\xe3\xc3\xd0\xaf\xa8\x47\x9e\xe8\x7f\x2d\xce\xa9\xa5\x47\x61\xc6"
        "\xae\x23\x4f\x1a\x1c\xd0\x0a\xc8\x2e\x18\xaa\xa1\x33\x57\xa2\xd7\xd2"
        "\xb3\x52\x57\xdd\x7b\x31\xf3\x3d\xe9\x8f\xfd\x8e\xb1\x85\x8a\x92\x39"
        "\xa2\x1d\x34\xad\xa7\x8c\x19\x1e\xe8\x22\x25\xfb\x12\xfe\x56\xfd\xd8"
        "\x46\xff\x8e\x72\xaa\x29\xf3\x7b\xe2\x76\x88\x6f\x02\xb0\xda\x3a\xc4"
        "\x0a\xb8\xae\x0e\xb6\x63\x82\xd8\xdd\xb7\x85\x5d\x08\x1e\x2e\x8a\xd1"
        "\xf8\x52\xf2\x6e\xe4\x2e\xc0\xbe\x7f\xce\xa2\xac\x11\x13\x75\x7b\x5b"
        "\x8c\x25\xca\x34\x97\x7f\x3b\x05\xe6\x5a\x0b\x4b\x4f\x7f\x4d\x76\xb9"
        "\xd0\x99\xd8\xd2\x20\x67\x80\x81\xf6\xbb\x61\x40\x64\x19\x69\xe3\x29"
        "\xa9\x6a\xaa\xe3\x6f\x32\x72\x89\x3d\x79\xc8\xcd\x3b\x27\x1b\xa0\x40"
        "\x0a\x37\xd5\xe0\x4b\x58\x6c\x2b\x83\x7c\x8c\xe8\x3b\xa4\xbc\x2f\x6a"
        "\x84\x65\x5a\xa3\xe4\x0f\x0d\x25\x29\x37\xde\x2b\x4f\xc1\x86\xc9\x86"
        "\x8f\x36\x33\xe1\x8e\xda\x0f\x0a\x4f\x22\x79\x0b\xe2\xa7\x83\xda\x91"
        "\x6b\xe6\xbb\xb2\x0a\x3f\x78\xf7\x70\xee\xb2\x1a\xa3\x72\x84\x4d\x1c"
        "\x1a\x6c\x47\x00\x39\xd8\xb6\xa3\x13\xa0\xdc\x8c\x92\xdc\x77\x2b\xb3"
        "\xc5\x44\x7c\xd1\x78\x9e\x4b\xa4\x4f\xd6\x63\x5f\x4a\x80\x69\x5f\xf1"
        "\xfd\xc4\x16\x7f\xd4\xca\x3c\x16\xe8\x96\x45\x02\x73\x0a\xf2\x64\x36"
        "\x5e\x9b\xf4\x86\xa3\x9c\xd6\x14\x6a\xcd\xff\x71\x3c\x12\x48\xb9\xa4"
        "\xe7\x1f\x4b\x5a\x2c\x28\x77\x1f\xff\xb1\xee\xec\x12\x51\xc5\xcb\xf5"
        "\x5b\x73\xcb\x28\x70\xbc\xdb\x28\xb3\xec\x05\xbd\x29\x7e\xd6\xfa\xa6"
        "\xae\x28\xd7\x23\xb9\x4e\xaa\x6e\x71\xb9\x4d\xf6\xf1\xf3\x1f\x34\xc2"
        "\x8e\x16\x86\x96\x57\x99\x16\xbb\x71\xee\x92\xbd\x1f\xa3\xd2\xa8\x45"
        "\x8c\xbb\xfc\x54\x80\xfa\x14\x21\xfc\x36\xe6\x44\xd6\x93\x41\xd2\xc3"
        "\x3e\xa6\x71\x62\xf2\xae\x05\xe1\xb5\x68\xc0\x48\xdc\xef\xdb\x89\x02"
        "\x0b\x6c\xf4\xf9\x61\xc1\xb3\x09\xe1\x49\xe3\xe8\x46\xf9\xd3\x6d\x99"
        "\x3b\xea\x07\x43\xa1\xc4\x4d\x35\xab\xa0\x30\x09\xfc\xef\x92\xd9\xff"
        "\xbe\x5a\xa3\x00\x12\x61\x7f\x5d\x7a\x22\x01\x24\xcc\x08\x31\xde\xde"
        "\xa3\x21\x19\x38\x60\xa4\x29\x98\x79\x39\xa4\xe1\x59\x10\x3c\xa7\x66"
        "\xb6\x40\x07\x04\x6a\x74\x47\x82\x9f\x6d\x49\xe5\xab\x2a\x96\x73\x35"
        "\x78\x3d\x5f\x22\x63\xa3\xa7\x71\xaf\x4e\x00\xf2\x13\x1f\x81\x1c\x8f"
        "\xc3\x3d\xc6\x6b\x65\x64\xe2\xe7\xac\xda\x83\x18\xe8\x71\x74\x43\x2d"
        "\x0e\x1f\x44\x01\x17\xc8\x1e\xdb\x37\x9e\xaf\x0e\x1e\xec\xb3\xc4\xb2"
        "\x11\x99\xc0\xe4\x32\x43\x19\x15\x54\x50\x81\xb0\x79\xcd\x45\x36\xf3"
        "\x94\x73\x18\x8b\x7d\xc7\xe7\x2f\x96\x3c\x5d\x35\xd3\xc7\x6d\x6f\xe7"
        "\x20\xac\x79\xdb\xea\xd8\x07\xda\xfb\x7d\x2a\xcf\x62\x48\x77\x11\x5a"
        "\x8b\xb0\x50\x53\xd5\x06\x3e\x25\x11\x04\xb0\xe6\x84\x0d\x41\xa7\xa9"
        "\x4e\xf6\xc7\xc0\xa3\xe7\x1c\x54\x14\xb9\x1b\x14\xa5\x14\x43\x3a\x51"
        "\x92\x98\xdf\xb4\xaf\x02\x3b\x49\x12\x13\xc5\x64\x71\x72\xfb\xb0\x24"
        "\x77\x7f\xf8\xe5\xe4\x7d\x89\xc6\xa7\x87\xc9\x20\xe6\xf3\xc7\xee\x7a"
        "\x4f\x58\xc4\x5a\x84\x17\xa9\x18\xe0\x0c\x66\x98\x8e\xdc\x7d\x4d\x34"
        "\x2c\xff\xe7\xd6\x6f\xe9\x31\xb5\xb9\xbb\x83\xa7\xf2\xff\xa7\xe1\x24"
        "\xfc\xbd\xc2\xe5\xfb\x26\x22\x55\x54\xd9\x2b\x02\x01\x4e\xe2\x01\xbe"
        "\x2e\x7e\x19\x23\xce\xb4\x0d\x90\x71\xef\x9e\x5d\xb0\xf2\xd2\x65\x76"
        "\x5e\xdf\x26\x00\x92\x6b\xef\x78\x18\xc7\xb0\x5e\xb1\xf2\xe9\x0f\xc7"
        "\xce\x37\xc1\xfd\xc0\xcc\xb5\xab\x9b\x09\x51\x72\x8f\x15\xd5\x79\xe3"
        "\x68\xeb\xc7\x9c\x9b\x2c\x71\xe3\x99\xcb\xee\x40\xfd\x4b\xf4\x62\x68"
        "\xe8\x2f\x69\x49\xe8\xf2\x4d\x1d\x8c\x69\x0a\xed\x9d\x4d\xcb\x18\x28"
        "\x3c\x1c\x45\x6e\x38\xf5\xf4\x6d\x9d\xbe\x68\x35\x9d\x55\x20\x94\x52"
        "\x8c\x20\xa4\x0f\x07\xac\x4f\xfc\xbd\xd7\x2b\x13\x1b\x5f\x89\xf7\x41"
        "\x32\x0d\x6b\x89\x7a\x30\xe1\x8b\xa2\x1a\x89\x7a\x50\x3f\x0f\x6d\xa8"
        "\xbf\xd7\x4f\x8c\x7c\xc7\x65\x99\xb7\x73\xa8\xdd\x94\xa6\xc4\x49\x8a"
        "\xf8\xd6\x54\x9f\x2a\x38\x66\x88\xa6\x7a\x64\xa2\xe3\x48\x23\xc1\x7b"
        "\x74\x8b\x0c\xaf\x57\xe8\xea\x8f\x5e\x07\x1d\x51\x72\x40\x09\xc9\xde"
        "\xed\x69\xac\x49\x81\xae\x74\x77\x5c\x5b\xcd\x6a\x4c\x91\xbd\x56\xdc"
        "\x4d\xee\x9f\xf8\x97\xd2\x69\x9b\x17\x6c\x53\xbe\x7b\x59\xbe\xef\x5f"
        "\x36\x2a\x80\x78\x47\x8a\xd5\xd3\x96\xb7\x06\x0c\x46\xb7\xb3\xa0\x07"
        "\x82\xd6\x6e\x59\x90\xbd\xe0\x23\xa9\xd9\xf0\x45\x35\x09\x85\x3e\x39"
        "\xbe\x13\x78\x33\xd3\x8d\xe4\x41\xf9\x27\x82\x71\x8e\xbd\x4b\x37\x81"
        "\xb8\x42\x9f\x15\x5a\xb4\xf8\xe3\x24\xb2\xc2\x61\x9b\x56\x63\x34\x58"
        "\x25\x64\xc1\xdc\x68\x52\xb4\xcb\x68\xf3\x50\xb2\x6a\x1d\xe7\xe2\x71"
        "\x88\x81\x40\xa2\x47\xa3\xb5\xfb\xa4\x6e\x77\xea\xad\x79\x1d\x19\x1a"
        "\xa8\xb5\x20\x72\x3d\xcc\x35\x6d\xd2\x2b\xa4\xed\xff\x58\xef\xf4\x74"
        "\xc9\x67\x8d\xe3\x6c\xe9\x16\x1a\x25\xbd\x47\xe9\x91\xbf\x67\x04\x78"
        "\xcc\x66\xb4\xbe\xa8\xdd\xd7\x4d\x7e\xda\x65\xce\xeb\xdd\x5c\x25\xff"
        "\xc7\xd4\xa3\x44\x7d\x50\x91\xfa\x27\x54\x4b\x61\x8b\x59\xbe\xac\x5b"
        "\xe4\xd9\x7e\x1a\xd7\x7a\x22\xf5\xaa\x24\x36\x19\x3e\x8d\x05\x7a\xd3"
        "\x0d\xa2\xbf\xfc\x67\xff\xe0\x4d\x0b\x2c\xb6\xd5\xec\xb3\xeb\xc5\x60"
        "\x52\x17\xb1\x8c\x3d\xd9\x47\x85\x75\x59\x3f\x16\xb3\x7d\x09\x08\xf4"
        "\xbf\x8e\xa1\x61\xff\xd8\x98\x63\x5c\xa3\x3d\x10\xe6\xe6\x59\x94\x47"
        "\xa5\xd5\x99\x42\x85\xdf\xe4\x47\x3f\xca\xcb\xb4\x8b\xf8\x0a\x99\x40"
        "\xb5\x54\xc9\x9a\x75\xc1\xa1\xcc\xe3\x8e\x7d\xad\x4a\x2c\xa9\x12\xc5"
        "\x66\x75\x50\x91\x7c\xf8\x70\x59\xe0\xd8\x5f\xb0\x5b\x3c\x7e\x74\x43"
        "\xee\x9e\x2a\x82\x13\xab\xd1\x85\x37\xec\x14\x41\xd8\xcd\xe8\x3a\xed"
        "\x3b\xf9\x5d\x8b\x47\x99\xf2\x55\xb3\xf4\xd7\xa7\xe8\x0e\xb6\x31\x1c"
        "\xff\x41\x08\x46\x9d\x23\xd5\xde\xd7\xeb\xa1\x3d\xb1\xf3\x1b\xbe\xb8"
        "\x70\xcf\x7c\xa1\xe9\xcf\xeb\x42\xa7\xe5\x40\x85\xde\x6a\x05\xbe\x52"
        "\x5a\xba\x37\xfa\x5e\xca\x4a\xa8\xfb\x4c\x50\x9b\xe7\x6a\x3b\x02\x14"
        "\x41\xca\x0a\x74\x4c\x68\xce\x37\xbc\xb5\x2d\x63\x1b\x7d\x71\x12\xc3"
        "\x29\xd6\xf8\xfe\xd3\x0a\x47\xc7\x0c\xf8\x23\xbe\x47\x70\xe6\x67\x96"
        "\xe4\xbb\xdf\xcc\x85\x58\x3b\x88\x40\x67\xe9\x2c\x9d\x22\x9f\x5a\xe5"
        "\xcb\x7c\x7f\x3e\x4e\xce\xc3\x20\x10\xfc\xce\x2f\xc9\x77\x20\x5b\x47"
        "\x88\x56\xbc\x18\xe5\xc5\xbb\x20\x40\x9f\x87\x9f\x01\x6e\xf6\x4f\x63"
        "\xc5\x5b\xc0\x4b\x65\x71\xed\x7e\x9b\xd7\x45\xde\x12\x09\xf8\x59\xfd"
        "\x56\x47\x84\x4f\x4a\xa5\x0e\xe5\xda\x95\xed\x91\xa3\xd4\x22\x18\x10"
        "\xa0\x0e\x8a\x5f\x39\x2b\xec\xb4\xc3\xe6\x9b\x7f\x43\xf3\x51\xe2\x0f"
        "\x78\x86\x60\x3c\x5c\x0f\x5a\x34\x87\x4e\x37\x74\x74\x62\x47\x96\x15"
        "\x08\x1a\xee\x80\x0d\x1d\x9f\x36\x72\xa8\xd8\x07\xa6\x20\x80\x49\x3c"
        "\xfe\xcc\xfd\xf6\x0c\xe0\x9a\x54\xa2\x03\x99\xda\x25\xe7\x49\x2d\xcb"
        "\x2c\xd8\x2e\x89\x8a\x31\xfd\x44\xc6\x41\xb6\xf2\x2f\x41\x7a\x31\xbc"
        "\x9c\xb0\x71\xb9\xe7\x14\x04\x3e\xe7\x71\x4b\xb4\xf4\xd7\xad\xae\xc8"
        "\xee\x69\xdd\x20\xb2\xf0\xe2\x51\x38\x96\xdb\x00\x73\xdc\x73\x93\x05"
        "\x42\x45\xa2\x13\x59\xef\xdc\x31\xfa\x5b\x85\x48\x08\xb5\xd8\x5f\x4e"
        "\x10\x3a\xdd\xe0\xd4\x4e\x10\x80\xb1\x81\x8a\x89\x59\xfa\xe3\x6e\xd6"
        "\xa2\x26\x0c\x03\x9b\xce\xd9\x5d\xf4\x07\xed\xae\x1c\x5e\x1c\x87\x6c"
        "\x77\x21\xba\x1c\xb1\x95\x6c\xe2\x1e\x70\x2c\x7b\xe3\xac\x31\xc2\xd0"
        "\xe9\x98\x87\x47\xc0\xd6\x0a\xa6\xa6\x27\x4a\x5a\xb5\x1e\x63\x41\xa1"
        "\x89\x81\x78\x23\xad\xc5\xb9\x70\x99\x2d\x15\xe9\xd8\x7e\x97\x93\x99"
        "\x14\xbd\xc3\x8f\x44\x8a\xb3\xba\x78\x2f\x94\xfc\x68\x68\xfb\xda\xbb"
        "\x4d\xdc\x75\xe6\x08\xad\x5b\x7e\x3d\x03\xdb\xbd\xaa\x79\xbd\xb7\x02"
        "\xda\x2d\x94\x02\x29\xaf\x74\xfa\xc2\x36\xbb\xec\x59\x77\x77\x67\x96"
        "\x60\x31\x09\xb1\xb3\x85\x8c\x77",
        4088);
    syscall(__NR_ioctl, -1, 0x5000940f, 0x20000400ul);
    break;
  case 6:
    syscall(__NR_ioctl, r[2], 0xae80, 0ul);
    break;
  case 7:
    syscall(__NR_ioctl, r[2], 0xae80, 0ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  use_temporary_dir();
  do_sandbox_none();
  return 0;
}