// https://syzkaller.appspot.com/bug?id=bf7780df648105d40e1fdbb0566defda3605ed93
// 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 <sched.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/wait.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>

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

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

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

static void netlink_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);
}

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 = 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();
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  initialize_tun();
  setup_binderfs();
  loop();
  exit(1);
}

uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0};

void loop(void)
{
  intptr_t res = 0;
  res = syscall(__NR_socket, 0x200000100000011ul, 3ul, 0);
  if (res != -1)
    r[0] = res;
  res = syscall(__NR_socket, 0x11ul, 3ul, 0x300);
  if (res != -1)
    r[1] = res;
  memcpy((void*)0x20000080, "syz_tun\000\000\000\000\000\000\000\000\000", 16);
  res = syscall(__NR_ioctl, r[1], 0x8933, 0x20000080ul);
  if (res != -1)
    r[2] = *(uint32_t*)0x20000090;
  *(uint16_t*)0x20000040 = 0x11;
  *(uint16_t*)0x20000042 = htobe16(0);
  *(uint32_t*)0x20000044 = r[2];
  *(uint16_t*)0x20000048 = 1;
  *(uint8_t*)0x2000004a = 0;
  *(uint8_t*)0x2000004b = 6;
  memset((void*)0x2000004c, 170, 5);
  *(uint8_t*)0x20000051 = 0xaa;
  memset((void*)0x20000052, 0, 2);
  syscall(__NR_bind, r[0], 0x20000040ul, 0x14ul);
  *(uint32_t*)0x20000100 = 0x800b;
  syscall(__NR_setsockopt, r[0], 0x107, 0xf, 0x20000100ul, 4ul);
  *(uint64_t*)0x20000140 = 0;
  *(uint32_t*)0x20000148 = 0;
  *(uint64_t*)0x20000150 = 0x200015c0;
  *(uint64_t*)0x200015c0 = 0x20000000;
  memcpy((void*)0x20000000,
         "\x03\x03\x00\x00\x11\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xdb"
         "\x6e\x6c\x8d\x5e\x85\x88\xa8\x6a\xf4\xbc\x5d\x5d\xa2\xf4\x30\xf8\x49"
         "\xdb\xc2\x0b\xb2\x23\x61\x83\x69\xd8\x26\xa9\xcd\x29\x18\x84\x61\xfb"
         "\x27\xb1\x5d\x18\xae\xfc\x4d\xef\x56\xf7",
         61);
  *(uint64_t*)0x200015c8 = 0x300;
  *(uint64_t*)0x200015d0 = 0x20000480;
  *(uint32_t*)0x20000480 = 0xcfc;
  *(uint16_t*)0x20000484 = 0;
  *(uint16_t*)0x20000486 = 0;
  *(uint32_t*)0x20000488 = 0;
  *(uint32_t*)0x2000048c = 0;
  memcpy(
      (void*)0x20000490,
      "\xa4\x34\x02\x70\xaa\x20\x76\x67\xa4\x47\x52\xd6\xb9\x8e\xf3\x64\x3c\xc8"
      "\x5d\xd9\x7f\x2e\x3a\x37\xa2\xaa\xe0\xab\x8a\x5b\x46\xb4\x74\x3f\xaf\x78"
      "\x3e\x90\xc4\x07\xb9\x89\xb9\x57\x05\x38\x93\x1c\xf8\xea\xc3\x9d\xed\x6d"
      "\x60\x9d\x89\x16\x7c\xd1\x12\x47\x58\x9e\x75\x47\xf1\x1f\x4b\x05\xa8\xc5"
      "\xf1\x3a\x44\x41\xf9\x92\x99\xba\x12\xb3\x35\x6d\xc0\x97\x73\x42\x88\x6c"
      "\xbc\x3c\xf9\x9b\x6d\x90\x26\xb6\x11\x58\x65\x2f\xd8\x2b\x1c\x05\x56\x34"
      "\xef\x07\xaf\x76\x7a\x38\xdd\x40\xf5\xab\x41\xdb\x6b\x04\x5d\xea\x12\x3b"
      "\x2b\x9d\xcf\x69\xbd\xbe\x8c\x04\xb0\x7d\x07\x24\x95\x50\x8d\x02\x2a\xc3"
      "\xc0\x7e\x81\x20\x71\x62\x88\x96\xf9\xa2\xc5\x17\xc7\xfe\xad\xb9\x17\x8c"
      "\x09\xd6\x5b\xed\x96\xd6\x8d\xeb\x06\x12\x75\xbb\x9a\x09\x15\x99\x1f\x44"
      "\xdd\xe4\xa8\x21\x05\xb1\xd6\xae\xff\xef\x89\x51\x0a\x7f\x3c\x79\x56\x04"
      "\x20\x77\x32\x29\xa2\x8f\x1f\xcf\x43\x98\x9c\x3a\xe2\x06\x16\x62\x46\xb8"
      "\xd8\xe4\xe1\x81\x8c\x23\x8a\x73\xa8\x91\x88\x82\x76\x83\x8f\xd3\xd7\x07"
      "\x40\x4b\xbf\x81\x03\x56\xfc\x60\x7c\xad\x30\x3e\x04\x56\x31\xae\xe5\x51"
      "\x92\x57\x38\xf6\xa6\x9c\xbf\x6c\x37\x8e\x9b\x14\x97\xe8\x5b\xac\xe2\x8f"
      "\x5e\x9c\xe3\x74\xb5\xed\x88\x52\xf7\xf9\x15\x7e\xaf\x7f\x81\x50\x82\x8e"
      "\xaa\xef\xc8\x5f\xd5\x3c\xe3\x72\x7f\xb3\xea\x7d\x90\x78\x26\x00\x08\xaf"
      "\x58\x18\x90\xcb\x33\x6f\xfe\x66\xdd\x01\x51\x3a\x6e\xc4\x5d\x80\xfd\x43"
      "\x12\x15\x99\x3b\x41\x77\x44\xad\x1c\x43\x79\xaa\x3b\xe7\xf2\xbd\xae\x9c"
      "\xfa\x1a\xa0\x78\xdb\x4b\xd7\x6a\x11\x53\x8d\x89\x2f\x73\x65\x92\xd5\xa2"
      "\x9b\xc2\xe4\xa6\x85\xeb\x1f\xdd\xa8\x82\x41\x64\x6c\x41\x50\xd4\xb2\xef"
      "\x02\x34\x34\xf4\x31\xeb\xdb\x21\xe8\xc7\x58\xda\x76\xe8\x49\xd2\x12\x82"
      "\xae\x4e\x7b\xf1\x23\x01\xba\x2e\xe2\xa7\x5a\x2f\xe1\xe3\x60\x03\x77\x36"
      "\x84\x4a\xdc\xa2\xd1\x2b\x5f\x23\x32\x18\x53\x44\xc4\x7b\xc1\x8c\x1e\x08"
      "\x41\xe6\x84\x44\x81\x4d\x59\x62\x75\x31\xcd\xa0\x27\xed\x96\xbb\x60\xd7"
      "\x97\x5c\xa3\xb0\x9c\x4a\xaa\x90\xe6\xc8\x16\x10\x00\x4d\x15\xb1\x72\xe2"
      "\x06\xae\xf5\x7f\xd9\x58\xe1\x9a\x27\x0a\xec\x8b\x55\xd6\x4e\xb0\xd5\xdd"
      "\x88\x69\xaf\x36\x97\x3e\xf0\xa0\x3c\xd2\xb7\x93\x8d\x35\xb4\x63\x99\x5f"
      "\x5f\x34\x8d\xa0\xac\x9c\x21\x0a\xdd\xb9\x2c\xdc\x25\x49\xdd\xb8\x7d\xb6"
      "\xc1\x65\x9f\x39\xff\xea\x03\xb7\xf2\xaf\xa7\x03\x7d\x76\xb8\xb9\x5d\x55"
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      "\x00\x25\x79\x81\x57\x88\xf8\x35\xc7\x5a\x49\x48\x59\x89\xe0\x22\x01\x44"
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      "\x78\xe7\x3e\x68\xe5\x5b\xc1\x7e\x9c\x39\x1e\x58\x9a\xa8\x22\xba\x8d\x4c"
      "\x6f\xe7\xf0\x55\xdc\x89\xc0\x50\xea\xfa\xa4\x2b\x66\xf9\xf2\x0d\x54\x30"
      "\x32\x69\x28\xc3\x0a\x36\xec\x2e\x9d\x35\x0d\x43\x23\xce\x6c\x0f\xe3\x50"
      "\x34\xe6\x80\xee\x53\x0a\x1b\x09\x1f\x6e\xa5\xcd\xa9\xbe\x7c\xcc\xd8\xef"
      "\xaf\x34\x5d\xe8\xc2\xa4\x1c\x74\x96\xcc\xa8\x67\x72\xe0\xa9\x00\x9f\x4a"
      "\x00\xad\x27\x80\xc7\x00\x94\x0b\x45\x76\x7d\x3e\x70\x3b\x93\xba\x09\x05"
      "\x2f\x7d\x82\xca\x06\xf7\x53\x6e\x7e\xad\xc0\x34\xc9\xc5\x94\x04\x07\x9d"
      "\x84\x22\xf3\xf3\x7d\x7d\x1d\x30\x0f\x4f\xde\x95\x9d\x2a\x42\x72\x33\xb3"
      "\x4f\x37\x9a\x2a\xbe\xcc\x61\x0b\x38\x94\xc9\xf2\xbe\x38\x41\x58\xf9\xb7"
      "\x92\x31\x1d\x23\xff\xb4\x0d\xd0\x0b\x70\x32\xde\x13\x36\x3f\x06\x0b\xed"
      "\x72\xe0\xfc\x0a\x02\x1f\xd1\x32\x86\xb1\x3f\x1f\x76\xb2\x9b\x44\x7f\xfc"
      "\x7a\x2b\x7f\xde\x2c\x50\xdf\xcf\x9b\xed\xef\x8e\xbd\x8a\xfb\x33\xc9\xba"
      "\x52\xce\x3f\x0a\x82\x04\xa4\xa9\xb3\x35\x4f\x59\x59\xd4\xa8\x89\x5a\x34"
      "\x9b\xa7\x42\x36\x9b\x1c\x2c\xc7\xc6\x3f\xfc\x29\x6d\x51\x17\x0b\x4a\x30"
      "\x39\x91\x5e\x5e\x62\xc3\x9b\xaf\xba\x55\x67\x71\x7b\x07\x33\xf9\xa6\x5c"
      "\x38\xab\x58\x41\xcb\xc5\x15\x05\xe2\xc5\xf5\x5e\x61\xb6\x10\xb4\x59\x2f"
      "\x18\x03\xfa\xaf\x00\xee\xc8\xfb\xdb\x6d\x5f\x51\xcc\x90\x81\xca\xf1\x0f"
      "\x38\x78\x81\x63\x13\x1d\xf4\x46\x54\x0f\x0a\x8c\xd5\xac\x8c\xe4\x68\x56"
      "\x6b\x76\x21\x22\xeb\x43\xff\x9e\x08\x32\xc9\x80\x5d\x4b\xab\x27\xd5\x1a"
      "\x82\x0e\xdb\xdd\x03\x95\xfd\x48\x28\xb2\x60\xd1\x9a\x55\x11\x23\x89\x79"
      "\x68\x90\x2d\xcf\x5c\x06\x45\xce\x86\x4d\xd0\xef\x5d\x7b\x32\xcb\xb0\x6f"
      "\x76\xe4\x99\x0f\x90\x7d\x7d\xd0\x85\xdc\xf6\xdf\x3c\x51\x10\x71\xf7\xf5"
      "\x57\x87\x69\xda\xb7\xc7\x30\x2d\x4f\x1f\x52\x51\xb1\xef\x70\x14\x08\x4b"
      "\x6c\xe4\x51\x7f\xa4\x52\xee\xcc\x04\xee\xa8\x7f\x23\x62\xf7\xa3\x28\xfe"
      "\x44\x5d\x42\xbe\xf6\x2e\x60\xa3\xa2\x19\xf5\xdb\xfa\x1a\x72\x5b\x23\x15"
      "\x6e\xb2\x2c\x8c\xb7\x97\xef\xa7\x16\xd6\xa2\x32\xb7\xb3\x7a\xe6\xdf\x3c"
      "\x15\xf1\x15\x6c\xbf\x72\x56\x61\xcd\x5d\x20",
      3305);
  *(uint64_t*)0x200015d8 = 0xcfc;
  *(uint64_t*)0x20000158 = 2;
  *(uint64_t*)0x20000160 = 0;
  *(uint64_t*)0x20000168 = 0;
  *(uint32_t*)0x20000170 = 0x84;
  syscall(__NR_sendmsg, r[0], 0x20000140ul, 0ul);
}
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);
  do_sandbox_none();
  return 0;
}