// https://syzkaller.appspot.com/bug?id=1eaa30de66a3dcf8f4ecffec1ecc90dba071b6f2
// 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 <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/futex.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 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 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;
  for (i = 0; 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);
}

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_RELAXED))
      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;
}

static struct {
  char* pos;
  int nesting;
  struct nlattr* nested[8];
  char buf[1024];
} nlmsg;

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

static int netlink_send(int sock)
{
  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;
  unsigned n = sendto(sock, nlmsg.buf, hdr->nlmsg_len, 0,
                      (struct sockaddr*)&addr, sizeof(addr));
  if (n != hdr->nlmsg_len)
    exit(1);
  n = recv(sock, nlmsg.buf, sizeof(nlmsg.buf), 0);
  if (n < sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))
    exit(1);
  if (hdr->nlmsg_type != NLMSG_ERROR)
    exit(1);
  return -((struct nlmsgerr*)(hdr + 1))->error;
}

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

static int netlink_add_addr(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(RTM_NEWADDR, NLM_F_CREATE | NLM_F_REPLACE, &hdr, sizeof(hdr));
  netlink_attr(IFA_LOCAL, addr, addrsize);
  netlink_attr(IFA_ADDRESS, addr, addrsize);
  return netlink_send(sock);
}

static void netlink_add_addr4(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(sock, dev, &in_addr, sizeof(in_addr));
  (void)err;
}

static void netlink_add_addr6(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(sock, dev, &in6_addr, sizeof(in6_addr));
  (void)err;
}

static void netlink_add_neigh(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(RTM_NEWNEIGH, NLM_F_EXCL | NLM_F_CREATE, &hdr, sizeof(hdr));
  netlink_attr(NDA_DST, addr, addrsize);
  netlink_attr(NDA_LLADDR, mac, macsize);
  int err = netlink_send(sock);
  (void)err;
}

static int tunfd = -1;
static int tun_frags_enabled;
#define SYZ_TUN_MAX_PACKET_SIZE 1000

#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
#define IFF_NAPI_FRAGS 0x0020

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 = 240;
  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 | IFF_NAPI | IFF_NAPI_FRAGS;
  if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) {
    ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
    if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0)
      exit(1);
  }
  if (ioctl(tunfd, TUNGETIFF, (void*)&ifr) < 0)
    exit(1);
  tun_frags_enabled = (ifr.ifr_flags & IFF_NAPI_FRAGS) != 0;
  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(sock, TUN_IFACE, LOCAL_IPV4);
  netlink_add_addr6(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(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(sock, TUN_IFACE, &in6_addr, sizeof(in6_addr), &macaddr,
                    ETH_ALEN);
  macaddr = LOCAL_MAC;
  netlink_device_change(sock, TUN_IFACE, true, 0, &macaddr, ETH_ALEN);
  close(sock);
}

#define MAX_FRAGS 4
struct vnet_fragmentation {
  uint32_t full;
  uint32_t count;
  uint32_t frags[MAX_FRAGS];
};

static long syz_emit_ethernet(volatile long a0, volatile long a1,
                              volatile long a2)
{
  if (tunfd < 0)
    return (uintptr_t)-1;
  uint32_t length = a0;
  char* data = (char*)a1;
  struct vnet_fragmentation* frags = (struct vnet_fragmentation*)a2;
  struct iovec vecs[MAX_FRAGS + 1];
  uint32_t nfrags = 0;
  if (!tun_frags_enabled || frags == NULL) {
    vecs[nfrags].iov_base = data;
    vecs[nfrags].iov_len = length;
    nfrags++;
  } else {
    bool full = true;
    uint32_t i, count = 0;
    full = frags->full;
    count = frags->count;
    if (count > MAX_FRAGS)
      count = MAX_FRAGS;
    for (i = 0; i < count && length != 0; i++) {
      uint32_t size = 0;
      size = frags->frags[i];
      if (size > length)
        size = length;
      vecs[nfrags].iov_base = data;
      vecs[nfrags].iov_len = size;
      nfrags++;
      data += size;
      length -= size;
    }
    if (length != 0 && (full || nfrags == 0)) {
      vecs[nfrags].iov_base = data;
      vecs[nfrags].iov_len = length;
      nfrags++;
    }
  }
  return writev(tunfd, vecs, nfrags);
}

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

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  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 (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);
}

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();
  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 < 10; 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, 45);
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

#ifndef __NR_bind
#define __NR_bind 361
#endif
#ifndef __NR_connect
#define __NR_connect 362
#endif
#ifndef __NR_fcntl
#define __NR_fcntl 55
#endif
#ifndef __NR_mmap
#define __NR_mmap 192
#endif
#ifndef __NR_pipe
#define __NR_pipe 42
#endif
#ifndef __NR_setsockopt
#define __NR_setsockopt 366
#endif
#ifndef __NR_socket
#define __NR_socket 359
#endif
#ifndef __NR_splice
#define __NR_splice 313
#endif
#ifndef __NR_write
#define __NR_write 4
#endif
#undef __NR_mmap
#define __NR_mmap __NR_mmap2

uint64_t r[4] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res;
  switch (call) {
  case 0:
    res = syscall(__NR_pipe, 0x20000300);
    if (res != -1) {
      r[0] = *(uint32_t*)0x20000300;
      r[1] = *(uint32_t*)0x20000304;
    }
    break;
  case 1:
    res = syscall(__NR_socket, 0x11, 3, 0x300);
    if (res != -1)
      r[2] = res;
    break;
  case 2:
    *(uint16_t*)0x200000c0 = 0;
    *(uint8_t*)0x200000c2 = 0;
    *(uint8_t*)0x200000c3 = 0xfc;
    syscall(__NR_setsockopt, (intptr_t)r[2], 0x107, 0x12, 0x200000c0, 4);
    break;
  case 3:
    res = syscall(__NR_socket, 2, 2, 0);
    if (res != -1)
      r[3] = res;
    break;
  case 4:
    syscall(__NR_fcntl, (intptr_t)r[1], 0x407, 0);
    break;
  case 5:
    syscall(__NR_write, (intptr_t)r[1], 0x20000140, 0x4240a2a0);
    break;
  case 6:
    *(uint16_t*)0x200002c0 = 2;
    *(uint16_t*)0x200002c2 = htobe16(0);
    *(uint8_t*)0x200002c4 = 0xac;
    *(uint8_t*)0x200002c5 = 0x14;
    *(uint8_t*)0x200002c6 = 0x14;
    *(uint8_t*)0x200002c7 = 0xaa;
    syscall(__NR_bind, (intptr_t)r[3], 0x200002c0, 0x10);
    break;
  case 7:
    *(uint16_t*)0x20000040 = 2;
    *(uint16_t*)0x20000042 = htobe16(0);
    *(uint32_t*)0x20000044 = htobe32(0xe0000001);
    syscall(__NR_connect, (intptr_t)r[3], 0x20000040, 0x10);
    break;
  case 8:
    syscall(__NR_splice, (intptr_t)r[0], 0, (intptr_t)r[3], 0, 0x30005, 0);
    break;
  case 9:
    memcpy(
        (void*)0x20000680,
        "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xbb\x86\xdd\x60\x50\xa0"
        "\x9c\x04\xd9\x2c\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\xbb\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\xaa\x04\x20\x88\x0b\x03\xa2\x00\x00\x96\x2a\x19\xef\x82\x0f"
        "\x47\x47\x38\xe7\x9a\xe1\x76\xab\x5d\xd3\x98\x7c\xbb\x13\x66\xf4\x7a"
        "\x47\x8b\x57\xb6\xc4\x1c\xfa\x0b\x51\xf5\x02\x88\xe8\x14\x37\x41\xf9"
        "\x96\x9a\xda\x84\x94\x51\x6d\xc2\xc7\x07\x1b\x73\x79\xcb\x8a\x74\xce"
        "\x17\xda\x10\x4b\x27\xba\xea\xf5\x95\x1f\x39\x35\xda\x77\x3a\xae\xd5"
        "\x96\x11\x42\x41\x75\x5d\x58\x38\x82\xa7\xd5\x2a\xdd\x8a\x07\x8f\x00"
        "\x56\x1f\x77\xdf\xc7\x15\xc1\x00\xa4\x4d\xa0\xe5\x22\xf6\x5b\xf5\x2c"
        "\x2d\x29\x1d\xa6\xc1\xbf\x52\x93\xf1\x27\xf2\x24\x39\x70\x7a\xbc\x36"
        "\xfb\x15\x05\x50\x08\xae\x89\x69\x98\x99\x04\xd0\x6a\x81\x9e\xd2\x7b"
        "\xe7\x42\xfc\xa1\xae\xa7\x90\x97\x42\x4e\xb1\x41\xcd\x50\x74\xf4\x56"
        "\x5c\x2e\xf5\x93\xc2\x53\x29\x06\x33\x73\x31\xed\x35\x1b\x38\x0c\x90"
        "\x68\x89\xfb\xf3\xae\x21\x62\xca\x3c\x73\xe4\xe8\x3a\xe5\x37\xf8\x10"
        "\x09\x5c\x78\x6e\xc0\xbc\xaf\x53\x01\xe9\x2b\x61\x85\x82\xd3\xb6\x2c"
        "\x4f\x5a\xf0\x0a\x81\x40\x6c\x90\x1a\x1e\xe4\xc4\x8d\x94\xac\xf4\x33"
        "\xb4\xb5\xe7\xda\xc3\xf5\x8c\x4d\x7c\x21\xa3\xf1\xd7\xdc\x99\xe6\x32"
        "\x4a\x61\x93\x14\x33\xdb\x48\x70\x35\x6e\x1c\x4e\x46\x98\xf5\x6e\xe2"
        "\xc5\x92\x3f\xb9\x33\xac\x8b\x75\xa7\x25\x68\x26\x44\xbb\x45\x9c\x09"
        "\x1e\x58\xf5\x4b\xb9\x79\x0a\x92\xd0\x64\x82\x4e\x48\x8c\x7d\x93\xb4"
        "\xa2\x99\xf7\x98\xd3\x53\xa9\xf7\x87\x8e\x00\x7c\x28\x79\x8e\x6a\xa7"
        "\x85\x2b\xfb\x03\x63\x78\xea\x58\xc6\x1a\x16\x2b\xef\x4d\xac\x9e\x07"
        "\xdb\xcd\xf3\xb2\x4b\x26\x31\xec\x75\x84\x3c\x22\x1d\x81\xb9\x06\xbb"
        "\xec\x10\xd9\x4a\x90\x3d\x4e\x24\xbb\x81\x63\xdf\x8c\x1d\x81\xe3\x33"
        "\x23\x1e\x32\xe1\x20\xeb\x8a\xbf\x73\x7c\x47\x0b\x4a\xc8\x07\x54\xd4"
        "\xa1\x19\x5f\x16\x2b\x05\xfc\x50\xef\x67\x09\x5c\x93\x87\x25\xb8\xe3"
        "\xe1\xa0\x74\x16\xbe\x73\x14\x09\xd8\x91\xda\x9c\x78\x23\x19\x88\x1e"
        "\x27\xe5\x66\xc2\xdb\xe9\x88\xb8\x85\xe9\xb1\x79\xa9\x8f\x6a\x64\x09"
        "\xa7\xd8\xbb\x33\x93\x5b\x31\xc0\x05\x42\xe9\xfe\x5c\xbd\xad\xa9\x37"
        "\x64\xa3\x85\xc1\x48\x07\xee\x59\xd5\xbe\xd5\x96\xbd\xd6\x6c\xea\xe1"
        "\xb9\xdc\xbf\x47\x90\xb1\xdb\x6e\x9b\xd5\x6c\x1c\x5f\x44\xe1\x0a\x58"
        "\x8a\xcd\x11\x58\xe5\x23\xaf\x7b\x18\xf0\x85\xde\x8a\x73\x95\x1c\xa5"
        "\x33\xfa\x44\x1a\x51\x19\x05\x5f\xf5\x72\xab\xe6\xdd\x95\xb9\xa0\x03"
        "\xd0\x48\x1c\x8c\x00\xfc\xa4\x68\x78\x4f\x7a\xe7\xb1\x7d\xdd\xec\x2f"
        "\x8c\x05\x1c\xa9\xa9\xc9\xa8\x3d\xa9\x82\xd4\x05\x8b\x13\x62\xa0\x28"
        "\x33\xd4\x70\x48\x29\x83\x5f\x1e\xf8\xd7\x48\xee\xd9\xff\xa9\x86\x3d"
        "\x1c\xfa\x9d\xc5\x55\x77\x37\xc9\x27\x20\xb5\x0a\x5d\x9e\x00\x4e\x5f"
        "\x68\xae\x16\xaf\x56\x1c\x9a\x2f\xa0\x4b\xa2\xe8\x91\xc6\x7d\xa4\x4c"
        "\x3a\x48\x3e\xbf\xb1\xda\x6b\x61\x17\xa2\xdf\xc3\x63\xff\xea\x4e\xbd"
        "\x5b\x05\x64\x06\x4b\x6a\x65\xb9\xa1\xa1\x9c\x62\xbc\x37\x1d\x29\xb9"
        "\x0a\x38\x21\x76\xdd\x26\x18\x74\x37\xa8\x50\x1d\x29\x83\xd7\x22\x74"
        "\x72\xd4\xab\xbe\x41\xa1\xe4\xa3\x8c\xe9\x25\x0e\xdb\x26\x1d\x47\x78"
        "\x76\x1b\x79\xdc\xd8\x73\x6e\x98\x70\xe0\x9d\xcb\x96\x0a\x36\xf7\xa8"
        "\xee\x80\x13\x40\xaf\x32\x8a\x65\x5a\xfd\x7b\x7f\x1d\xe9\x6a\xb0\x14"
        "\x66\x43\x8c\x78\xb2\xd0\xc8\x06\x4a\x2b\x1e\x68\xd9\x60\x80\x34\x41"
        "\x53\xb6\x60\x38\x15\x2b\x85\xdb\x54\x6b\xf6\xb6\x36\x76\xe8\x3b\x2c"
        "\x28\xc9\x4f\x7b\x0c\x92\xd3\xdc\xbd\xf3\x8f\x43\x45\x58\xe0\x94\x82"
        "\x46\xf0\x3a\xa7\xe7\x03\xa1\x40\x83\xb8\xef\x1a\x65\x54\xa7\x97\x65"
        "\x7c\xcc\x8c\xe4\xdc\x3a\xb8\x69\x29\xdf\xf9\x5c\x00\x77\x8e\x82\x06"
        "\x3b\x7a\x2e\x7f\x3b\x4e\x66\x90\xad\x4e\x24\x33\x13\x58\xff\xe4\xe5"
        "\xde\x4d\xaf\x48\x8a\xf0\x0d\xf5\x4b\xad\xeb\x3c\x58\x1d\x93\xd5\x2a"
        "\x2e\xc0\x7d\x38\x01\x55\xe6\x04\x6d\x22\x69\x9f\x65\x8a\x67\x0d\x47"
        "\xec\xb3\xa5\xcc\x7c\xa2\x8f\xe7\x84\x49\x32\xa9\x48\x19\xe7\xf8\x68"
        "\x0e\xa5\xc1\x07\xe8\x54\xbe\x31\x15\x81\x3a\xb1\x1f\x4b\x1d\x73\x6b"
        "\xe1\xc8\x95\xb9\x85\xad\x24\x06\x36\xd8\xf9\x6a\x38\x0a\x24\x53\x74"
        "\x02\x16\x4a\x01\x10\x69\xc2\x5b\x05\x5a\x1a\xa7\xf5\x8d\x9b\xa0\x77"
        "\x01\x96\xb6\xb4\x2a\x80\xc0\x0f\x0d\x0b\xfb\xf9\x14\xb0\x11\xd7\x9e"
        "\x9c\xec\x63\x15\x65\xc6\xcc\xe0\xa6\xf0\x61\x10\x66\xa1\x41\x33\x00"
        "\x00\x08\x00\x28\x1b\x2c\xb8\x85\x53\xb3\x05\x65\xeb\xa7\x1f\xbe\x23"
        "\xb7\x96\xd4\x7e\xa5\xcd\xf7\xfb\xd5\x1e\xf3\x08\x07\x50\xb1\xba\x6c"
        "\xd0\xc7\x40\xe7\x9c\x82\x7d\x17\x3d\xeb\xf0\xf0\xb4\xc8\x9d\xac\xe3"
        "\x19\xba\x93\x7a\x6f\x70\xa3\x2c\x68\x42\x0b\xc7\xe0\x56\x6f\xa0\xb2"
        "\x38\xf8\x54\x74\x2d\xb4\xff\xfc\x52\x1d\xc2\xab\xc1\xc9\xf1\x02\x39"
        "\xc9\x04\x3e\x4a\x3a\x0f\x44\x7c\xf2\x76\xe1\x4d\xbf\xd1\xf8\x00\x0c"
        "\x46\xfc\xec\xc1\x9a\x35\xc7\xb8\x63\x10\x00\x00\x86\xdd\x00\x00\x00"
        "\x00\x00\x00\xa7\x7e\xe6\xb4\x75\xe4\x67\xfc\x42\x73\x42\xd5\xc6\xbb"
        "\x82\xc6\x50\x37\xb6\x08\x00\x88\xbe\x00\x00\x00\x00\x10\x00\x00\x00"
        "\x01\x00\x00\x00\x00\x00\x00\x00\x08\x00\x22\xeb\x00\x00\x00\x00\x20"
        "\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08\x00"
        "\x65\x58\x00\x00\x00\x00\x29\x1a\xe3\x1f\x74\x65\x0e\x26\xa0\x94\x44"
        "\xe9\x00\xbc\x47\x14\xfa\xca\xaa\xbd\xbe\x51\x50\x82\x2f\x27\xb7\x4f"
        "\x47\xb8\x44\xc1\x28\x3a\x65\xe1\x65\x0a\xf9\x6e\xb8\xfa\x5d\x6d\x45"
        "\x37\xaf\x26\xc8\xa8\x8e\x00\xf1\xfe\xa4\x39\x7c\x45\x1f\x0f\x4c\xfb"
        "\xc5\x40\xec\x5f\xe3\x00\x5d\xb7\x0f\x1c\x15\x1b\x9f\x14\x9c\xd2\xd7"
        "\xff\x90\x3e\x16\x04\x89\x6c\xbb\xe6\x1b\xcf\xfb\x99\xe7\x6c\x0d\x6b"
        "\x03\x1e\x80",
        1295);
    syz_emit_ethernet(0x50f, 0x20000680, 0);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  do_sandbox_none();
  return 0;
}