// https://syzkaller.appspot.com/bug?id=65f6ff6f1bea5ba54c3d9a70f2131a1115aa1b68
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <arpa/inet.h>
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <sched.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.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/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/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>

#ifndef __NR_bpf
#define __NR_bpf 321
#endif

static unsigned long long procid;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

static struct nlmsg nlmsg;

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

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

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

error:
  close(sock);
}

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

#define MAX_FDS 30

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)) {
  }
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void loop();

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

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

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

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

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

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

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      close_fds();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

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

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000140, "/dev/ptmx\000", 10);
  res =
      syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000140ul, 0x101000ul, 0ul);
  if (res != -1)
    r[0] = res;
  *(uint32_t*)0x20000080 = 3;
  syscall(__NR_ioctl, r[0], 0x5423, 0x20000080ul);
  *(uint32_t*)0x20000180 = 1;
  *(uint32_t*)0x20000184 = 0;
  *(uint64_t*)0x20000188 = 0;
  *(uint64_t*)0x20000190 = 0;
  *(uint32_t*)0x20000198 = 0;
  *(uint32_t*)0x2000019c = 0;
  *(uint64_t*)0x200001a0 = 0;
  *(uint32_t*)0x200001a8 = 0x40f00;
  *(uint32_t*)0x200001ac = 4;
  memset((void*)0x200001b0, 0, 16);
  *(uint32_t*)0x200001c0 = 0;
  *(uint32_t*)0x200001c4 = 0;
  *(uint32_t*)0x200001c8 = -1;
  *(uint32_t*)0x200001cc = 8;
  *(uint64_t*)0x200001d0 = 0;
  *(uint32_t*)0x200001d8 = 0;
  *(uint32_t*)0x200001dc = 0x10;
  *(uint64_t*)0x200001e0 = 0;
  *(uint32_t*)0x200001e8 = 0;
  *(uint32_t*)0x200001ec = -1;
  *(uint32_t*)0x200001f0 = -1;
  *(uint32_t*)0x200001f4 = 0;
  *(uint64_t*)0x200001f8 = 0;
  syscall(__NR_bpf, 5ul, 0x20000180ul, 0x78ul);
  memcpy((void*)0x20000040, "/dev/ppp\000", 9);
  res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000040ul, 0x1a01ul, 0ul);
  if (res != -1)
    r[1] = res;
  syscall(__NR_ioctl, r[1], 0x40047438, 0x20000180ul);
  *(uint64_t*)0x20000380 = 0x200010c0;
  memcpy(
      (void*)0x200010c0,
      "\xaa\xbf\x75\xaa\x76\xc3\xad\xa7\x4b\xf4\x4a\xc8\x95\x55\x81\x05\x7e\x17"
      "\x78\x60\x4d\xf7\x76\x93\x55\x9f\xfa\xd6\xcc\x78\x74\x16\x42\xe0\xf2\x1c"
      "\x50\x7a\x79\xc2\x9d\xab\xa6\x41\xa2\x68\xce\x55\xab\xe3\x6b\x0f\xa2\x26"
      "\x8a\x6f\xff\xbb\x80\x16\xb6\x25\x49\x41\x8c\xd3\xf9\x51\xd1\x85\x08\x54"
      "\xec\x21\x0e\xa8\x03\x4f\xaf\x16\x26\xe6\x16\xa3\x6c\x6b\xc0\xc9\xb4\x37"
      "\x2b\x0e\x28\x21\x30\x19\xe3\xdb\x18\x2f\xd0\x85\x8a\x17\xe8\x7f\xf7\xa5"
      "\xdd\xdc\x89\x59\x42\x25\xd7\x84\x41\xa5\x33\x08\x2e\xd3\xe8\x04\x7f\x12"
      "\x26\x97\x78\xc4\x07\x21\xca\xcf\x71\xf3\x25\x43\x87\x4a\x34\x59\x38\x22"
      "\x44\x19\xdc\xe2\xfd\x44\xb7\xa6\x2c\x1d\x0d\x98\xa0\xcf\x23\xc2\xfc\x16"
      "\x89\x4b\xa5\x49\xa2\xed\xfb\x7e\x30\x0f\x14\xc3\x0f\x64\x42\x9d\x25\xea"
      "\x9b\x26\xb9\xfb\xf8\x39\xfb\x03\x9e\x46\xbc\x8d\xcf\x12\xd7\xce\x62\xc8"
      "\xcb\xc9\xf0\xd5\xff\xff\x56\xa5\x77\xed\xd8\x69\x49\xd1\x0e\x6e\x37\xe3"
      "\x12\x97\xce\x4e\x55\x85\xbc\x3d\x3a\xc0\x0a\xcb\xee\xc5\x1d\x81\x64\x35"
      "\x92\x04\xa9\x18\xb4\xd1\xde\x45\x14\x70\x5d\x55\xe2\x10\x50\x84\xae\xce"
      "\x8a\x83\xf2\x8f\xb3\xe4\x6e\xb4\xf2\x4b\x96\x6a\xf6\x22\xfc\xf3\x1c\x4c"
      "\xb6\x01\xf5\xa2\xb8\x2d\x42\xa2\x17\x2a\xd0\xb1\x93\x9c\x58\x58\x91\x94"
      "\x0b\x81\xaa\x9c\x5c\x6c\xdb\x06\x76\xb9\x98\x02\x5e\xa4\xac\x0f\xc1\x8a"
      "\xa2\x4f\xd5\xd5\x62\xb1\xdd\x4f\x23\xe3\xac\x63\xf0\x23\x3f\xb4\x46\x5c"
      "\x5e\x5a\x96\x59\x9e\xcc\x0f\xd8\xdd\x7e\x7d\x48\xa8\xb9\x6d\xb0\x36\x30"
      "\x61\x39\x05\xfd\x61\x0c\xee\xc2\xeb\x9b\x69\x62\x64\x5b\xd9\x59\xcb\x08"
      "\x49\x38\x06\xbb\x6d\x0c\xcb\x06\x7a\x04\x8c\x7e\xc3\x4c\xc3\xab\x4a\xec"
      "\x1b\x8e\x42\x53\xde\x22\x94\x9b\x0c\x9a\x9d\x1d\xec\x77\xd9\x03\xd6\x01"
      "\x8e\xaf\xd0\xe8\x1d\xc7\x09\x0e\xa1\x08\x05\x7e\x63\x10\x03\xda\x31\x04"
      "\xc2\xeb\x83\x9b\xc8\x42\x8b\xe6\xa4\x97\xa0\x51\xb0\x3b\x80\xc0\x2d\x8f"
      "\x8e\xfc\x20\x33\x08\x53\xa8\x1b\xa6\xe3\x6c\x41\xfc\xbc\x63\xe2\x34\x50"
      "\x75\xa9\x91\x64\xf8\x10\x84\x52\xc2\x98\xa4\x9d\xa5\x00\xc1\x6e\xcd\x20"
      "\xfc\xa9\x57\x78\x14\xe6\x57\xa7\x67\xc5\xf3\x10\xd0\xc8\xa7\x1b\x13\x4a"
      "\x99\x5e\x40\xc7\x92\x4e\xc6\xff\xe9\x56\xab\x10\xff\x39\xe3\xa0\x7b\x28"
      "\xaf\x2a\x66\x8d\xf9\x44\x86\x9b\xff\xd3\x94\x94\xfa\x01\x50\xa7\xa4\x64"
      "\x91\x65\x9c\x0a\xfb\x12\x2c\x91\xa5\x0d\x08\xbd\x50\xe0\x14\xbc\x4c\x1f"
      "\x7c\x9f\xf3\xfd\x2d\x1d\x81\x3c\xd0\xcd\xd3\x81\x51\x03\x80\xc9\x67\xae"
      "\xd0\x13\x30\x55\x37\x0c\x29\xcb\xf1\xb3\xe5\xd1\x0e\xd2\xae\x10\x3d\xe7"
      "\xdf\xa7\x7e\x76\xff\x55\xf4\x1f\x1e\x18\x04\xe4\xf0\x6b\xd0\x13\xce\x28"
      "\x51\x1e\x34\x69\x81\x7b\x01\x54\xe5\x83\x78\x34\x59\x28\x07\x1d\x63\xe4"
      "\x74\xe4\xd8\xac\x2d\x50\xc5\xf7\x62\x6f\xc7\x69\xb2\xe1\xc3\xb2\x53\x4f"
      "\xec\x20\xa8\x44\x0f\xd3\x33\xe2\x22\x0d\xe7\x6c\x21\xdd\xf8\x3c\x0e\x61"
      "\x56\xf1\x2d\xbe\xf6\x10\xa9\x8a\x05\x00\xaa\xaf\xc0\x27\x8c\xeb\x32\x59"
      "\x1a\x8c\x27\xd7\xf0\x5c\xbb\x17\x18\xda\x94\xa9\x5d\xf1\x9f\x72\xb8\x07"
      "\x2a\xe0\x1b\xe8\xd1\x9a\x3e\x34\xae\x4c\xb0\x59\xce\xcc\x5f\xd9\x5c\xb1"
      "\xd9\x11\x6b\xa6\x2b\xf1\xb8\x92\x6a\x91\x9a\x9d\x88\x49\x1e\x85\x16\xa5"
      "\x07\x0c\xd5\xb7\x4f\xc4\x6d\x26\xe3\x6c\x57\x42\xaa\xca\x35\x1d\xc5\xc9"
      "\x8f\x97\xf0\x6e\x9d\x7c\xbc\x9c\x31\x8b\x00\xa0\xe7\x38\x29\xac\xab\xa5"
      "\x60\xcb\xf0\xc6\x7c\x4e\x60\x32\x1e\xea\xc2\xe5\x6d\x35\x5c\xa4\x83\x86"
      "\x8e\x76\xa7\xe0\x39\x7a\x50\x09\xa8\xc8\x38\x25\xbe\x2f\xbb\xb4\xfd\x48"
      "\xe1\xa0\x68\x2f\xab\x59\x97\xca\x24\x04\x60\x08\xd5\xd4\x87\x40\xb6\x14"
      "\xbb\xa2\xc4\xf4\x8c\xcc\x67\x77\xee\x90\xab\x07\xb0\xe6\x18\x1f\x52\xd6"
      "\x4f\x24\xec\x0a\xd4\x3b\x21\x25\xd2\x46\x4d\x55\xe9\x77\xd6\xb7\xeb\x62"
      "\xe1\x1c\x2c\xf4\x18\xdc\xcb\xe1\x66\x44\xa3\xcc\xe7\x8f\x68\xe3\xfa\x83"
      "\xf7\x3c\xdd\x43\x69\xcb\xd3\x78\x9e\xfe\x48\x02\xd0\x2f\x36\x4e\xca\xc0"
      "\x4a\xa6\x86\x8b\x0f\xa9\x5e\xc1\xed\x1d\x50\xf4\x03\xd2\xea\x5c\x7e\x20"
      "\x1e\x2e\x55\x63\xd9\x40\x46\x6d\x77\xe0\xf1\xe3\x98\x8a\xbc\xf6\xb2\x5a"
      "\xee\xeb\xb0\x79\xd4\xda\x21\xe6\x33\xe8\x3e\x4b\x5c\x09\x09\x57\x81\x2a"
      "\xb8\x42\x32\xf7\x0b\xa4\x20\x98\x16\x28\xc7\x4f\x0b\xf5\xe3\x63\xef\x01"
      "\x7f\xa6\xc9\x15\x7b\x84\x4b\x36\xf6\x18\x8e\x79\x55\xf9\x92\xd5\x87\xcd"
      "\xe5\x28\xb8\x53\x15\xf8\x25\xee\x3d\x7c\x3d\xb5\x7d\xb6\x2b\xca\x9d\xfc"
      "\xa8\xab\x40\x14\xa6\x72\xd4\x3c\x3c\x46\x2a\xba\x6d\xe5\xf1\x7a\xb2\x52"
      "\xe5\xce\xd7\x31\xa0\xf5\xed\x01\x8c\xbf\x76\x62\x90\xc2\x8b\x6a\xd4\xf1"
      "\xef\x37\x8c\x05\x62\x91\x17\x2c\x8a\xe0\xf2\x4b\x7a\x50\xe2\x8e\x69\x64"
      "\xf7\x2c\xa1\x34\x5a\x13\x22\x36\x37\xb4\xeb\xdc\x19\xae\xcf\x4f\x93\xb4"
      "\xc4\x81\x9b\xa4\x38\x0c\xcd\x51\x59\x59\x38\xf2\x25\x5c\xb2\x2d\x4d\x9b"
      "\x27\x0e\xbb\x23\x67\xb8\x04\x5d\x95\x0e\x92\x01\xda\x44\x66\xf1\xad\xaa"
      "\x6d\x19\xd6\x38\x7b\x97\x1a\xd3\x75\x05\xc6\x4e\x6f\xfd\x7f\x4f\x04\xcf"
      "\xfb\x72\xfd\xe1\xf0\xc0\x89\x12\xde\x1c\x89\x0b\xa8\x35\x32\x83\x99\x63"
      "\xf5\x27\x14\x9d\x4a\xe5\x01\xba\xab\xe8\x34\xeb\x1d\xc4\xa2\xc4\x2c\x64"
      "\x6c\x4c\xfc\x1b\x73\x5a\x0c\x60\xac\xdf\x8a\x54\xcc\x20\x07\x33\x28\x21"
      "\x69\xa8\xec\x10\xe2\x3b\x34\xe7\x13\xf4\x7e\xb5\xc8\xd1\x8b\x17\x00\xbb"
      "\x4c\xa7\x7a\x0c\x04\xb5\x5e\xc5\x46\xf1\xf9\x02\x11\x90\x6a\x90\x73\x8b"
      "\xd3\x82\x7e\x9e\xc5\xaa\x2b\x64\xcc\x28\xb6\x7a\x0d\x3b\x33\xe4\xa2\x10"
      "\xb3\xb4\xf9\xe1\x15\x90\x7f\x2e\x66\x0e\xe8\x49\x67\x7a\x99\xfd\x3e\xa2"
      "\xa8\xbb\xaf\x07\x36\x9f\xc0\x36\xd5\x1d\x2b\x4b\xdd\x94\xa6\xab\x74\x21"
      "\xdb\x46\x86\xae\xab\xeb\xc3\x67\x99\x60\x28\x6e\xa0\x44\x46\x94\xbd\xe2"
      "\xd7\x6e\x69\xfd\xa9\x6b\xdb\xfd\xe7\x8d\x73\x45\xc7\xa1\x43\xab\xab\x5d"
      "\x04\x12\x26\x9d\x83\x3c\x5e\x31\x5d\x77\x05\xe6\x91\xcc\x5c\xe6\xf7\x0d"
      "\x7f\x22\xf7\x62\xbd\x3c\xd2\xe2\x5d\x40\xbc\x4e\x5a\xf3\xe9\xee\x65\x1e"
      "\x14\x00\xda\xa8\xed\xf2\xe6\xe3\xd7\x02\x6f\x1e\x22\xc8\x8a\x15\xcb\x4f"
      "\xa9\x09\x37\x59\x99\xbc\xc3\x4e\xf1\x2d\x0a\x40\xb3\xf3\xcd\xcb\x0b\xe3"
      "\x40\x0e\xdd\x8c\x04\x99\x1e\xe8\xcd\x77\x78\xf8\x8b\x54\xc5\x17\xde\xb9"
      "\xc9\x55\xd8\xa4\x3a\x36\x06\xae\xef\x44\xc6\xdb\x65\x6b\xab\x11\x64\xdd"
      "\xdc\x31\x2d\x1a\x2b\x74\xa5\x20\xb9\x88\xfb\x62\xfc\xf0\x8d\xe1\xb8\x2e"
      "\x90\x93\xdb\x5a\xdc\xa8\x22\x23\x40\x25\x7f\xff\xb5\xda\x79\xb8\x2a\xdb"
      "\x6f\x49\x47\x3c\xef\x3a\x65\xcb\xb2\x0a\x9f\xfe\x57\x60\xd1\xf4\xc6\xa3"
      "\xf3\xcc\x9d\xb3\xeb\x1d\xd9\xeb\x44\xc6\xa8\x40\x74\xf1\x3f\xee\xd4\xd4"
      "\x5b\x47\x03\x72\x80\xc7\xa0\x96\xda\x61\xb3\x97\xe8\x00\x20\x93\xc6\x42"
      "\x8d\x00\xd2\xa0\xd2\x49\xd5\x18\x63\x6a\x8a\xe4\x2f\x07\x78\xbd\xdd\x72"
      "\x3e\x84\x10\x20\x9c\xa1\xeb\xce\x29\x7d\x2d\x88\x78\x1a\x37\x8d\x0e\x7b"
      "\x86\x95\x08\x0f\x2e\xc5\xf9\x07\xf5\xcd\xbf\x1a\x8a\xe0\xb0\xd2\x3b\x52"
      "\x39\xdd\x7b\xed\x96\x30\x4c\xb5\x61\xbe\x61\xd6\x8f\xf3\xec\x90\xb6\xbf"
      "\x30\xf6\x93\xfa\x2b\xb4\x16\xd9\x35\xf1\x07\xe4\x45\xeb\x0f\x49\x20\x71"
      "\xdf\x1c\xfc\xbc\x9e\x34\x17\x3b\xf3\xfe\xad\xfa\x3d\x64\xf9\x9b\x07\x8f"
      "\x60\x3a\x5a\x50\x47\x04\x62\x5b\xd8\xd8\x5e\x8a\x54\x54\xed\xfa\xf9\x2b"
      "\x0a\xb9\x50\x36\xc8\xae\xbc\x29\x7f\x4f\xb8\xc5\x1f\xf9\x77\x40\xf8\x2f"
      "\x5c\x22\x0f\xca\xee\xd0\xd7\x7e\xe9\x00\x76\x36\xdc\x70\x25\x2d\x89\x1f"
      "\x2a\x00\xef\x01\x0a\xc4\x81\x53\xe5\xd5\xfd\x83\xf8\x8b\x5c\x00\x10\xe4"
      "\x1d\x31\x2f\x36\x8a\x66\x0c\x50\xd1\x57\x4d\x07\x24\x22\x70\xb8\x14\xf5"
      "\x9a\xbc\x8c\x25\xa2\x6e\x5c\xb6\xed\x89\x15\xee\xd0\xed\x18\x8c\x13\xf4"
      "\x50\x45\xaf\xe4\x4e\x0d\x8a\x5e\x37\xe5\x1b\xb7\xda\x9b\x71\x55\x41\xc2"
      "\xb5\x4f\xb5\xd2\xe8\x27\xbe\x94\x53\x0b\x6f\xdd\x29\x9d\x67\x89\x8e\x89"
      "\xd3\xd6\x8e\x07\x30\x37\x5d\x9e\x8b\x42\x5b\x06\xc6\x1f\xe3\xe4\x1b\x93"
      "\xee\xd3\xa2\x39\xdf\x5d\xf5\x9e\x6a\xdd\x4c\x8b\x8c\xf4\x8c\x1b\x17\x5b"
      "\xf9\x12\x5a\x51\x79\x8e\xd5\x64\x73\x77\xe5\x2a\x38\x79\x2f\xf2\x26\x3c"
      "\x42\x6c\x40\xcc\x86\x02\x11\x3f\x56\x64\x98\x68\x58\x93\x9d\x09\x7f\x76"
      "\x7d\x67\xb7\x06\x05\x32\x68\xa3\x6c\x7f\x99\x03\xcf\x14\x8a\x88\xd4\x01"
      "\x21\x36\xed\x96\x05\x7c\x43\x92\x2f\xaf\xd6\x73\x93\xaf\xa0\xf4\xf2\x45"
      "\xe9\xe1\xa8\xb5\x3a\x27\x08\x7b\xc8\xbd\xe7\x67\x20\x88\x41\xc4\x12\xa4"
      "\x87\xcb\xf7\xfa\x9a\x83\xbe\xe7\x49\xa8\xf0\x95\xbb\x35\xf8\xbd\x51\x97"
      "\x66\xd4\x28\xf2\x46\xc4\x7b\x8f\x50\xff\xd5\x2a\xac\xbd\xd8\x46\x96\xfb"
      "\x7c\x57\x61\xb9\x9a\x15\xb0\x80\x9c\x34\x65\xe1\x0e\xf6\x58\xd3\xd2\xe2"
      "\x6a\x5b\x01\x87\x40\xab\x4f\x64\xb7\x6a\x41\x4b\xf4\x11\x84\xd3\x33\x4a"
      "\xf3\xf7\xc7\xf5\x34\x9e\x55\xad\x2e\x96\x66\x9d\xa6\xf6\x10\x5b\x7c\x0a"
      "\x74\xd8\x44\x8b\xea\x96\x66\x56\x61\x29\x82\xf8\x6c\x55\xfc\xad\x79\x1c"
      "\x25\x32\xdc\x1d\xbd\x27\xdd\xda\x62\x4f\x75\x15\x9e\xe4\x0c\xb3\x3f\xab"
      "\x8b\x47\x70\xa4\x94\x7c\xad\x4d\x93\x6a\xa5\xb7\xe9\x4c\x0e\x57\xb7\x93"
      "\xfe\x33\xaa\x8d\x5e\x89\x6a\x2c\x28\xeb\x80\x44\x71\xeb\x9a\xa1\x7a\xbf"
      "\x8c\x3e\xb7\x2e\xf8\x22\x39\x95\x37\x6e\x57\x95\xb9\xbc\xd5\xd3\x30\x7b"
      "\x55\x7d\x27\xab\x1c\xfa\x50\xd0\xee\xa7\x59\x39\x1a\xd9\xf6\xd6\x2d\x1b"
      "\x10\x00\x27\x86\x33\xe9\x0c\xfb\xf3\x50\x2e\x2a\x39\xf3\xb0\x5b\x05\x1e"
      "\xd1\x20\x0d\x57\xc9\x6a\x9e\xed\x32\x88\x37\x33\xc2\x26\x04\xa1\xb4\x5d"
      "\xd2\xaa\x1a\x85\xa0\x77\x7b\x34\x84\xbc\x50\x0d\x22\x15\xf8\xa3\xd0\x3c"
      "\x96\xde\x14\x12\x5e\xd5\x3d\xb3\x41\x3f\x08\xd7\x39\x6d\xfd\x28\x97\x70"
      "\x8a\x0c\xac\x7c\x98\xb6\x15\x25\x64\x6f\xb9\x84\xfb\x2a\x72\x37\x23\x8f"
      "\xee\x9e\x4c\xc7\x93\x8a\xc8\xd5\xb7\x67\x20\x07\xbe\x06\x20\x40\xb7\x03"
      "\xfb\xad\xd4\xb2\x49\x68\x9e\xdf\x00\xc0\xca\xbd\xa6\x44\xfd\x0a\xb2\xf6"
      "\x08\xe9\x1e\x5d\x59\xaf\x82\x7d\x0f\x48\xff\xbf\xfa\xa2\x85\x4f\x62\xcb"
      "\xd8\x95\xa6\xcc\xd0\x26\x7f\x88\xf3\x43\xa7\x27\xc2\x71\x56\xf7\x2c\xd8"
      "\x0a\x38\x34\xf3\x27\xfd\x50\x0a\x8f\xde\x96\x5a\x59\xde\x1a\x7c\x1f\xea"
      "\x7d\x51\x9b\x0e\x33\x53\x54\x99\x97\x03\x07\xeb\x6e\xa0\x15\x8d\xe5\x16"
      "\x77\xc1\xff\x71\x1d\x6e\x28\x8d\x07\x0a\x4e\xa3\x4f\xc3\xe9\x18\x83\x98"
      "\xbd\xc4\xe4\xcf\x8b\xf7\x94\x82\xac\xda\xe4\x3c\xe1\x1a\x01\xfd\x11\x3c"
      "\x0f\xd6\x76\x79\xc8\xcc\x1c\xc8\x10\x51\x21\x4a\x62\xa8\xda\x68\xa1\x23"
      "\xe1\xbb\xda\x8d\x62\x42\x62\xf7\x95\xc1\x25\x2f\x69\x0e\x89\xd0\xab\xde"
      "\xfd\xec\xb0\x63\x0b\x97\x63\x5d\x87\x74\x85\x81\xda\x01\x01\xc8\xfb\xe0"
      "\x93\x62\xbc\x5d\x62\x68\x5e\x8f\x8a\x81\xd2\x4e\x1c\x25\x06\x64\x60\xe4"
      "\xfe\xa9\xfc\x3d\x87\x67\x11\x2c\x6b\x08\x4f\x9c\x17\x49\x1f\x7d\x66\x71"
      "\x32\xa5\xa0\x0a\x55\xf9\x3c\x97\x4f\x6d\xa6\x68\x7b\x4b\x43\x7a\x3a\x84"
      "\x2a\xa9\xb0\xe0\x71\x44\xe5\xf0\x4a\xb3\x2f\xe3\xe6\x37\xec\xb2\x30\x78"
      "\x69\x8b\x32\x5b\x1d\xe6\xca\x62\x9e\x53\x5e\x8b\x69\x42\x3d\xab\x9d\x25"
      "\xbc\xfb\x96\x2b\x5d\xab\x26\xdc\x18\x3e\xd4\xf3\x05\xb3\x9f\x4e\xf9\x38"
      "\x32\xbb\x72\xd1\xa7\x05\xc5\x79\x37\xc3\x42\x22\xed\x87\x8a\xf1\x9c\x20"
      "\xd2\x20\xb2\x21\x3e\x96\x61\x8b\x5b\x78\x46\x44\xda\x0d\xfc\xeb\x63\x9c"
      "\xbb\xa8\x68\x5a\x38\x09\x1d\xd4\xba\x28\x50\x26\xd9\x12\xb2\xba\x97\xb5"
      "\x92\xd0\x6a\x1a\x86\x00\xf0\x41\x49\xac\x6c\x69\xe5\x71\x46\x70\x27\x56"
      "\x39\x35\x7b\x2f\x2b\x40\xbc\x11\x80\xac\x61\x3a\x54\x42\x9a\x17\xb8\x1e"
      "\xb7\xd8\x45\xec\x5b\x4a\x6d\x31\xee\xa4\xde\x29\xe4\x59\x14\x25\xa6\xec"
      "\x94\x78\x93\x70\xff\xf8\x72\x35\x21\x18\x76\x8a\x6e\x47\x7c\x3f\xc5\x97"
      "\x8f\x7f\xfd\x43\x0a\x50\xa2\x01\x27\x6f\xaa\xd5\x6d\xb1\x77\xda\xb3\x1e"
      "\x4d\x59\x2c\x91\x56\x55\x1b\xf4\xe4\x72\xb4\x3f\x07\x83\xb5\x84\x8f\x5f"
      "\x51\x65\x0d\xbc\x4e\x3d\xa1\xd4\x54\xf9\x30\x04\x41\x5f\x8d\xd4\x54\xff"
      "\x87\x99\x7a\x35\x18\x53\xd2\x41\x23\xe6\xff\x9c\x84\xa4\x19\x3e\xf5\x3c"
      "\x77\xb7\x42\x20\x4c\xf9\x43\x70\xd3\x33\x6d\x7c\x88\xb7\x68\xa3\xd2\x76"
      "\x63\x46\x80\x1e\xfa\xde\x0b\xaa\x37\x96\x4c\x4f\xd1\x00\x03\xf4\x8f\xb5"
      "\x1c\xcf\x66\x9c\x14\x6a\x8e\xdf\x0c\xcf\x03\x53\xb0\x31\x36\x84\xc7\xdd"
      "\x23\x18\x59\x40\xb8\xe6\x38\x7f\xc0\x1e\x80\xe8\x7a\x6b\xd2\x19\xc5\xfd"
      "\x24\x37\xeb\x74\xfa\x7a\xa8\xe1\x72\xc2\xa2\xcf\x33\xcc\x2e\x99\x03\x23"
      "\xa8\xb1\x46\x36\x90\x6c\xa6\x39\xc0\xd4\xc3\x7f\x07\x35\xe2\x27\xd4\x8f"
      "\x75\x2b\x72\x72\x0f\x89\x61\xf6\x0f\x3e\x14\x72\x2b\x4c\xd3\xad\xc5\xfb"
      "\x23\x35\x95\x92\x90\x35\xd8\x2d\x45\xee\x4c\xfc\xa3\x74\x53\x03\xce\xa0"
      "\x20\xaa\xd4\x48\x7e\x7b\xee\x26\xe3\x42\x60\xe2\x78\x3a\xd0\xfb\x0e\x6a"
      "\x3d\x38\xa6\xaa\x1c\xed\x14\x1d\xbb\xc3\x29\x1a\x7d\xe9\x61\x18\x4c\x3c"
      "\x22\xf7\xf6\x23\x56\x29\xcb\x59\xd6\x8d\xb1\x41\x03\xf4\xdb\x09\x56\xaf"
      "\x92\x1a\x31\x27\x82\x05\x2e\x79\xf0\xb8\x8e\x0d\x86\x21\x96\x6c\x22\x94"
      "\x49\xdb\xac\x54\x63\x7a\x34\xa5\x19\x05\x0d\x67\x0b\x72\x03\xeb\x53\x40"
      "\x7c\x24\xe2\xfe\x3f\xf2\xf8\x2f\x57\xa3\xd2\x66\x36\x3f\xda\xb8\xd9\x55"
      "\xa0\x70\xc8\x97\xeb\x9c\x80\x7a\xfc\xac\xa9\xc5\x0a\xe0\x57\x5e\x32\x7c"
      "\x81\x58\x33\x0c\x78\x67\x50\xb6\x08\xcd\x40\x7e\x11\x6b\x68\x39\x1a\x74"
      "\x3b\x36\xd3\xea\xbb\x05\xa0\xd4\xdf\x0c\x72\x33\x76\xdf\xb2\x8e\x5d\x66"
      "\x5c\xee\x44\xa7\x50\x38\xea\x30\x90\x94\x44\x6d\xb3\x02\xfc\xac\x6e\xbe"
      "\xeb\xd8\x09\x8f\x21\xa9\xdc\xcf\x30\x58\xfc\x27\x90\xb2\x8e\x1b\x75\x27"
      "\x13\x02\x94\x73\xa4\x91\xdd\x76\xc6\xeb\x5b\xac\x47\xcc\x78\xe3\xac\xa0"
      "\xdd\xe8\x14\xf2\x65\x75\x19\x77\xa4\x92\xeb\xf1\x4c\x2c\x0b\x3a\x90\x00"
      "\x0d\x9f\xf2\x13\x7e\xd0\xfe\x79\xcc\x9f\xa2\xac\x64\xd0\x6d\xc1\x77\x30"
      "\x58\xeb\xd8\x3b\x74\x6a\x86\x96\xe8\x77\x7b\x3f\x26\x7e\xb7\x15\x45\xfb"
      "\x09\x94\x19\x57\x6d\x16\x6b\x6b\x02\x79\x18\x7f\x62\x33\x03\x2b\x5c\x0e"
      "\x91\x70\xf6\x99\xb1\xed\xee\xf6\xfa\x10\x08\x1e\x5f\xe4\xc3\xe6\x44\x99"
      "\x22\x6a\x10\xdd\x1f\x47\x4a\x2f\x3c\x7d\x13\x6e\x42\x43\x11\x6e\x0f\x62"
      "\x0a\x46\xf1\xdc\xc6\x9d\x90\x67\x76\x75\xea\x18\x0f\xc7\x42\x01\x50\xc2"
      "\xac\xdf\xa5\xc9\x88\x0e\x8f\xb8\xbd\xcf\xbc\xd2\x23\xc4\x40\x51\x5e\x5f"
      "\x35\xc0\x72\x6a\xc8\xc0\x27\x24\x4b\x0d\x54\xfe\x8f\x66\xde\xc9\xb0\xda"
      "\xb1\x4b\x8a\xc2\x89\x3f\x21\x59\xe3\xfd\xb9\xc2\x44\x39\x44\x07\x24\x62"
      "\xaf\xd5\x7d\xa8\xc7\xdd\xe2\xe6\x19\xc7\x90\xbb\xec\x8d\xd7\x3d\xfc\xbf"
      "\x8e\x36\x68\x20\xa8\x88\x29\xc2\x88\x56\x59\x6f\x6c\xc4\x98\x84\x9b\x00"
      "\xcb\xff\x3b\xb1\xe7\x75\xab\x92\x97\x78\x04\xe4\x94\xcb\x06\x2d\x38\x15"
      "\xff\x40\xff\x0f\xbf\x09\x2b\xa5\x4e\xf5\x0e\x26\x94\x74\xde\xd2\xd2\xda"
      "\x15\xb9\x98\xe6\x35\x02\xf0\x2d\x48\x46\x1a\x98\x62\xbe\xf3\xc7\xeb\x72"
      "\xc2\xb8\x4a\x15\x7e\x60\x42\x36\x76\x1d\x6b\x33\x47\x08\xc0\xb3\xc9\x1f"
      "\xa5\x1e\xe0\x19\x6e\xf6\x66\x2e\x01\x34\xfd\x93\x7c\xc5\xc5\xbe\x11\x26"
      "\xa8\xb0\xb0\x19\x0a\x58\x24\xee\xd5\x58\xaf\xae\x75\xa0\x76\x12\xf3\xb2"
      "\x90\xed\xdc\x7b\x57\xbb\x26\xa1\xe2\x9a\x04\x05\x9c\xc1\x31\xa8\x6a\x94"
      "\x97\x02\x47\x52\x44\xb9\x18\xb8\x22\xd1\x1d\xcf\xa0\x7d\x49\xd2\x57\xd2"
      "\x70\xa5\x90\x32\xa8\x24\x4f\x4b\x93\x1d\xdd\x01\x78\x36\xa4\xd8\xd6\xa2"
      "\xa3\xe7\x8f\x4f\x34\x3d\xd9\x6a\x12\xe4\x6b\x45\x15\x0a\xc2\xe3\x10\xc0"
      "\x7c\x3f\xe8\x8f\x21\x06\xac\x01\x48\x5f\xb3\xcb\x39\xfa\x0a\xca\x6e\x5c"
      "\x3e\x72\x7c\xf1\x83\x9b\x85\x46\xaa\x89\x3d\x98\x49\x77\xf5\x85\x8a\x35"
      "\xf3\x7b\x34\x88\xd8\x3c\x04\x8c\x33\xfd\x63\x39\xac\x4c\xdc\x75\x60\xc6"
      "\x0d\x53\xdc\x9f\x8e\x0b\xb5\x4d\xff\x79\x52\x3b\x5b\xd9\x96\x99\xe2\x3b"
      "\xb8\x31\x65\xa8\x3c\x76\x88\xb4\xfa\x2d\xae\xdb\x96\xd6\x93\x4e\xc3\xd8"
      "\x76\x94\x30\x23\xa2\x0d\x18\x1e\xb4\x86\x4b\x71\xcd\xa5\x55\x5d\x63\xf2"
      "\xc9\xb8\x8f\xfc\xed\xa8\xd4\xc9\xea\x83\x03\x80\x72\x90\x7e\xc8\x81\x57"
      "\x3a\x23\x90\x1d\x87\xd9\x65\x47\x6e\x59\x66\x63\xba\x56\xcf\x36\xa9\xaf"
      "\xcc\x8b\x47\xa1\xc5\xbc\x48\xf5\x40\xf4\xc5\xd4\x83\xc8\x22\x8c\xaf\x11"
      "\xeb\xb3\x4f\x35\xb3\x24\x86\x22\xf8\x63\xda\x6f\xf3\xe9\x6c\x86\x55\xe6"
      "\x67\xed\xf5\xd9\x08\xad\x40\x9b\x0b\xb2\x0a\x4b\x80\xc2\xb1\x09\x14\x1b"
      "\xa4\xd0\x29\x57\xd9\x37\x28\x9e\x88\x9f\x85\x8f\x3a\xe2\xee\xb0\xb3\x96"
      "\x1e\x84\x0b\x3c\x95\x33\x43\x91\xe6\x23\xf3\xb2\xd2\x2b\x6e\x93\x90\xc7"
      "\xa2\x55\x4c\x3c\x45\x32\xdf\x0d\xf4\xbd\x0d\x0b\x4e\x36\xed\x51\x72\x18"
      "\x42\x5c\x38\x8b\x5e\x0b\x8e\x5b\xbc\x91\x7f\x58\xdf\x74\xd9\x2f\x62\x30"
      "\xfa\x7b\x2c\x7e\xb8\x01\x0f\x83\x3a\xb0\x2c\xa4\x6e\x44\x3b\x30\x93\xbb"
      "\xb7\x5d\x53\x38\x83\x85\x0f\xe3\x80\x48\x2d\xee\x22\x60\x03\x5a\x54\x14"
      "\xcc\xd4\x65\x2f\xf9\x47\xf7\x1a\x80\x16\xfa\x42\x5f\x6d\x7f\x9d\x29\xa3"
      "\x13\xf1\x2e\x83\xc8\xc7\xb8\x9d\xd3\xf8\x4f\x50\x3b\xff\x1a\x01\xa3\x1f"
      "\xa7\x71\xf3\x75\x00\x22\x7a\x60\x3a\xc8\x05\x58\x8c\xe4\x9b\x09\x40\x5c"
      "\x0f\xea\xfd\xc2\xa2\x85\x21\x32\x74\xf7\xe7\x65\x61\xfc\xbc\x58\x68\xde"
      "\x9c\x84\x4b\xac\xb6\x49\xbe\x31\xe2\x19\xd1\x0e\xe5\xb3\x55\xef\x38\x46"
      "\xa6\x63\x3d\x53\xea\x21\xd9\x73\x67\x3d\x85\x6b\x18\xf5\x9a\x23\x76\x77"
      "\xbe\xd3\x72\x55\xe1\xa1\x11\x31\x81\xe0\x79\xdc\xf5\x90\xd4\xbe\x79\x09"
      "\x01\x5b\xa4\x83\x2b\x54\x1a\x48\xf0\x8d\x50\x31\x78\xda\xb0\xf2\xf8\x2b"
      "\x8f\x81\x8b\xb5\xe3\x04\xff\x9d\x21\x1f\x6e\xdd\x8d\x20\x04\x18\xa9\xe6"
      "\x0c\x04\x49\xed\x16\x44\xef\x3c\xf6\x1c\x66\x73\x11\x47\x48\x84\xf7\x6d"
      "\x11\xf6\xcd\x95\xa1\x76\x6f\xdd\x3b\x04\x44\xaf\x42\x98\xd1\xb2\x44\xdd"
      "\x89\xf7\xf6\xa4\x8a\x49\xd0\xc1\xf8\xa4\xcb\x05\xe3\xb6\xbb\xfe\x4f\xf7"
      "\xa9\x96\x07\x18\xb4\xe7\x39\xd4\xab\x05\x6d\xaf\x44\x10\x46\xbb\xf0\x30"
      "\xea\x89\xd2\xdd\x16\x30\x83\x55\xc2\x41\x2c\xa4\x44\xc4\xa7\xb5\x97\x80"
      "\xe9\xab\x74\xda\x2f\x71\x07\x23\x02\x59\xb5\xd7\x1b\x9d\x94\xb2\x92\xac"
      "\x7e\xa4\x60\x60\xf2\x42\x31\x72\x7e\x9b\xf3\x57\xb8\x9d\x2a\xee\xbd\xb4"
      "\xdb\x02\x0d\x26\xd5\x9a\xc9\xdd\xd1\x7b\x81\xe4\xb9\xcb\x8f\x24\x8f\x3c"
      "\x08\x50\x20\xef\xd1\xa6\x40\x3a\x1c\x85\x2b\xa8\x25\x43\xca\x09\xd5\x1f"
      "\xa5\xc6\xa2\xb9\x74\x3a\x5b\xec\xfc\x16\xb7\xfe\x2c\xda\xe1\x95\x84\x94"
      "\x95\x6c\x6b\xcf\x81\xae\xe6\x62\x95\x9a\xa7\x42\xe0\xde\x61\xc2\x52\xe3"
      "\xfb\xee\x94\xa5\xdd\x8f\x8f\x45\xfb\x6f",
      4096);
  *(uint64_t*)0x20000388 = 0x1000;
  *(uint64_t*)0x20000390 = 0;
  *(uint64_t*)0x20000398 = 0;
  *(uint64_t*)0x200003a0 = 0;
  *(uint64_t*)0x200003a8 = 0;
  syscall(__NR_pwritev, r[1], 0x20000380ul, 3ul, 0xf1, 4);
}
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);
  for (procid = 0; procid < 4; procid++) {
    if (fork() == 0) {
      do_sandbox_none();
    }
  }
  sleep(1000000);
  return 0;
}