// https://syzkaller.appspot.com/bug?id=46b3096b070c4f3ec71ff626682a6703d04f1409
// 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 <netinet/in.h>
#include <pthread.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/prctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/futex.h>
#include <linux/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_ether.h>
#include <linux/if_link.h>
#include <linux/in6.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/nl80211.h>
#include <linux/rtnetlink.h>
#include <linux/veth.h>

static unsigned long long procid;

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

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

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

#define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off))
#define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len)               \
  *(type*)(addr) =                                                             \
      htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) |           \
            (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len))))

typedef struct {
  int state;
} event_t;

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

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

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

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

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

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

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

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

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

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

static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type,
                            int* reply_len)
{
  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 (reply_len)
    *reply_len = 0;
  if (hdr->nlmsg_type == NLMSG_DONE)
    return 0;
  if (n < sizeof(struct nlmsghdr))
    exit(1);
  if (reply_len && hdr->nlmsg_type == reply_type) {
    *reply_len = n;
    return 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 int netlink_send(struct nlmsg* nlmsg, int sock)
{
  return netlink_send_ext(nlmsg, sock, 0, NULL);
}

static int netlink_query_family_id(struct nlmsg* nlmsg, int sock,
                                   const char* family_name)
{
  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);
  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) {
    return -1;
  }
  recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  return id;
}

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

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

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

static int nl80211_set_interface(struct nlmsg* nlmsg, int sock,
                                 int nl80211_family, uint32_t ifindex,
                                 uint32_t iftype)
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = NL80211_CMD_SET_INTERFACE;
  netlink_init(nlmsg, nl80211_family, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, NL80211_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
  netlink_attr(nlmsg, NL80211_ATTR_IFTYPE, &iftype, sizeof(iftype));
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
    return -1;
  }
  return 0;
}

static int nl80211_join_ibss(struct nlmsg* nlmsg, int sock, int nl80211_family,
                             uint32_t ifindex, struct join_ibss_props* props)
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = NL80211_CMD_JOIN_IBSS;
  netlink_init(nlmsg, nl80211_family, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, NL80211_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
  netlink_attr(nlmsg, NL80211_ATTR_SSID, props->ssid, props->ssid_len);
  netlink_attr(nlmsg, NL80211_ATTR_WIPHY_FREQ, &(props->wiphy_freq),
               sizeof(props->wiphy_freq));
  if (props->mac)
    netlink_attr(nlmsg, NL80211_ATTR_MAC, props->mac, ETH_ALEN);
  if (props->wiphy_freq_fixed)
    netlink_attr(nlmsg, NL80211_ATTR_FREQ_FIXED, NULL, 0);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
    return -1;
  }
  return 0;
}

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

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

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

static long syz_genetlink_get_family_id(volatile long name)
{
  struct nlmsg nlmsg_tmp;
  int fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (fd == -1) {
    return -1;
  }
  int ret = netlink_query_family_id(&nlmsg_tmp, fd, (char*)name);
  close(fd);
  if (ret < 0) {
    return -1;
  }
  return ret;
}

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");
}

#define WIFI_MAX_SSID_LEN 32

#define WIFI_JOIN_IBSS_NO_SCAN 0
#define WIFI_JOIN_IBSS_BG_SCAN 1
#define WIFI_JOIN_IBSS_BG_NO_SCAN 2

static long syz_80211_join_ibss(volatile long a0, volatile long a1,
                                volatile long a2, volatile long a3)
{
  char* interface = (char*)a0;
  uint8_t* ssid = (uint8_t*)a1;
  int ssid_len = (int)a2;
  int mode = (int)a3;
  struct nlmsg tmp_msg;
  uint8_t bssid[ETH_ALEN] = WIFI_IBSS_BSSID;
  if (ssid_len < 0 || ssid_len > WIFI_MAX_SSID_LEN) {
    return -1;
  }
  if (mode < 0 || mode > WIFI_JOIN_IBSS_BG_NO_SCAN) {
    return -1;
  }
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock < 0) {
    return -1;
  }
  int nl80211_family_id = netlink_query_family_id(&tmp_msg, sock, "nl80211");
  struct join_ibss_props ibss_props = {
      .wiphy_freq = WIFI_DEFAULT_FREQUENCY,
      .wiphy_freq_fixed =
          (mode == WIFI_JOIN_IBSS_NO_SCAN || mode == WIFI_JOIN_IBSS_BG_NO_SCAN),
      .mac = bssid,
      .ssid = ssid,
      .ssid_len = ssid_len};
  int ret = nl80211_setup_ibss_interface(&tmp_msg, sock, nl80211_family_id,
                                         interface, &ibss_props);
  close(sock);
  if (ret < 0) {
    return -1;
  }
  if (mode == WIFI_JOIN_IBSS_NO_SCAN) {
    ret = await_ifla_operstate(&tmp_msg, interface, IF_OPER_UP);
    if (ret < 0) {
      return -1;
    }
  }
  return 0;
}

struct thread_t {
  int created, call;
  event_t ready, done;
};

static struct thread_t threads[16];
static void execute_call(int call);
static int running;

static void* thr(void* arg)
{
  struct thread_t* th = (struct thread_t*)arg;
  for (;;) {
    event_wait(&th->ready);
    event_reset(&th->ready);
    execute_call(th->call);
    __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
    event_set(&th->done);
  }
  return 0;
}

static void execute_one(void)
{
  int i, call, thread;
  int collide = 0;
again:
  for (call = 0; call < 13; 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);
      if (collide && (call % 2) == 0)
        break;
      event_timedwait(&th->done, 45);
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
  if (!collide) {
    collide = 1;
    goto again;
  }
}

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();
      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 < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[9] = {0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0,
                 0xffffffffffffffff, 0x0, 0x0};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    res = syscall(__NR_socket, 0x10ul, 3ul, 0x10);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    memcpy((void*)0x20000200, "nl80211\000", 8);
    res = -1;
    res = syz_genetlink_get_family_id(0x20000200);
    if (res != -1)
      r[1] = res;
    break;
  case 2:
    memcpy((void*)0x20000700,
           "wlan0\000\000\000\000\000\000\000\000\000\000\000", 16);
    res = syscall(__NR_ioctl, r[0], 0x8933, 0x20000700ul);
    if (res != -1)
      r[2] = *(uint32_t*)0x20000710;
    break;
  case 3:
    res = syscall(__NR_socket, 0x10ul, 3ul, 0x10);
    if (res != -1)
      r[3] = res;
    break;
  case 4:
    memcpy((void*)0x20000200, "nl80211\000", 8);
    res = -1;
    res = syz_genetlink_get_family_id(0x20000200);
    if (res != -1)
      r[4] = res;
    break;
  case 5:
    memcpy((void*)0x20000700,
           "wlan0\000\000\000\000\000\000\000\000\000\000\000", 16);
    res = syscall(__NR_ioctl, r[3], 0x8933, 0x20000700ul);
    if (res != -1)
      r[5] = *(uint32_t*)0x20000710;
    break;
  case 6:
    *(uint64_t*)0x20000340 = 0;
    *(uint32_t*)0x20000348 = 0;
    *(uint64_t*)0x20000350 = 0x20000300;
    *(uint64_t*)0x20000300 = 0x20000380;
    *(uint32_t*)0x20000380 = 0xa8;
    *(uint16_t*)0x20000384 = r[4];
    *(uint16_t*)0x20000386 = 5;
    *(uint32_t*)0x20000388 = 0;
    *(uint32_t*)0x2000038c = 0;
    *(uint8_t*)0x20000390 = 0xf;
    *(uint8_t*)0x20000391 = 0;
    *(uint16_t*)0x20000392 = 0;
    *(uint16_t*)0x20000394 = 8;
    *(uint16_t*)0x20000396 = 3;
    *(uint32_t*)0x20000398 = r[5];
    *(uint16_t*)0x2000039c = 0x7a;
    *(uint16_t*)0x2000039e = 0xe;
    STORE_BY_BITMASK(uint8_t, , 0x200003a0, 0, 0, 2);
    STORE_BY_BITMASK(uint8_t, , 0x200003a0, 0, 2, 2);
    STORE_BY_BITMASK(uint8_t, , 0x200003a0, 8, 4, 4);
    STORE_BY_BITMASK(uint8_t, , 0x200003a1, 0, 0, 1);
    STORE_BY_BITMASK(uint8_t, , 0x200003a1, 0, 1, 1);
    STORE_BY_BITMASK(uint8_t, , 0x200003a1, 0, 2, 1);
    STORE_BY_BITMASK(uint8_t, , 0x200003a1, 0, 3, 1);
    STORE_BY_BITMASK(uint8_t, , 0x200003a1, 0, 4, 1);
    STORE_BY_BITMASK(uint8_t, , 0x200003a1, 0, 5, 1);
    STORE_BY_BITMASK(uint8_t, , 0x200003a1, 0, 6, 1);
    STORE_BY_BITMASK(uint8_t, , 0x200003a1, 0, 7, 1);
    STORE_BY_BITMASK(uint16_t, , 0x200003a2, 0, 0, 15);
    STORE_BY_BITMASK(uint16_t, , 0x200003a3, 0, 7, 1);
    *(uint8_t*)0x200003a4 = -1;
    *(uint8_t*)0x200003a5 = -1;
    *(uint8_t*)0x200003a6 = -1;
    *(uint8_t*)0x200003a7 = -1;
    *(uint8_t*)0x200003a8 = -1;
    *(uint8_t*)0x200003a9 = -1;
    *(uint8_t*)0x200003aa = 8;
    *(uint8_t*)0x200003ab = 2;
    *(uint8_t*)0x200003ac = 0x11;
    *(uint8_t*)0x200003ad = 0;
    *(uint8_t*)0x200003ae = 0;
    *(uint8_t*)0x200003af = 0;
    *(uint8_t*)0x200003b0 = 8;
    *(uint8_t*)0x200003b1 = 2;
    *(uint8_t*)0x200003b2 = 0x11;
    *(uint8_t*)0x200003b3 = 0;
    *(uint8_t*)0x200003b4 = 0;
    *(uint8_t*)0x200003b5 = 0;
    STORE_BY_BITMASK(uint16_t, , 0x200003b6, 0, 0, 4);
    STORE_BY_BITMASK(uint16_t, , 0x200003b6, 0, 4, 12);
    *(uint64_t*)0x200003b8 = 0;
    *(uint16_t*)0x200003c0 = 0x64;
    *(uint16_t*)0x200003c2 = 0;
    *(uint8_t*)0x200003c4 = 0;
    *(uint8_t*)0x200003c5 = 0;
    *(uint8_t*)0x200003c6 = 1;
    *(uint8_t*)0x200003c7 = 0;
    *(uint8_t*)0x200003c8 = 3;
    *(uint8_t*)0x200003c9 = 1;
    *(uint8_t*)0x200003ca = 0;
    *(uint8_t*)0x200003cb = 4;
    *(uint8_t*)0x200003cc = 6;
    *(uint8_t*)0x200003cd = 0;
    *(uint8_t*)0x200003ce = 0;
    *(uint16_t*)0x200003cf = 0;
    *(uint16_t*)0x200003d1 = 0;
    *(uint8_t*)0x200003d3 = 6;
    *(uint8_t*)0x200003d4 = 2;
    *(uint16_t*)0x200003d5 = 0;
    *(uint8_t*)0x200003d7 = 5;
    *(uint8_t*)0x200003d8 = 3;
    *(uint8_t*)0x200003d9 = 0;
    *(uint8_t*)0x200003da = 0;
    *(uint8_t*)0x200003db = 0;
    *(uint8_t*)0x200003dc = 0x25;
    *(uint8_t*)0x200003dd = 3;
    *(uint8_t*)0x200003de = 0;
    *(uint8_t*)0x200003df = 0;
    *(uint8_t*)0x200003e0 = 0;
    *(uint8_t*)0x200003e1 = 0x2a;
    *(uint8_t*)0x200003e2 = 1;
    STORE_BY_BITMASK(uint8_t, , 0x200003e3, 0, 0, 1);
    STORE_BY_BITMASK(uint8_t, , 0x200003e3, 0, 1, 1);
    STORE_BY_BITMASK(uint8_t, , 0x200003e3, 0, 2, 1);
    STORE_BY_BITMASK(uint8_t, , 0x200003e3, 0, 3, 5);
    *(uint8_t*)0x200003e4 = 0x3c;
    *(uint8_t*)0x200003e5 = 4;
    *(uint8_t*)0x200003e6 = 0;
    *(uint8_t*)0x200003e7 = 0;
    *(uint8_t*)0x200003e8 = 0;
    *(uint8_t*)0x200003e9 = 0;
    *(uint8_t*)0x200003ea = 0x2d;
    *(uint8_t*)0x200003eb = 0x1a;
    *(uint16_t*)0x200003ec = 0;
    STORE_BY_BITMASK(uint8_t, , 0x200003ee, 0, 0, 2);
    STORE_BY_BITMASK(uint8_t, , 0x200003ee, 0, 2, 3);
    STORE_BY_BITMASK(uint8_t, , 0x200003ee, 0, 5, 3);
    *(uint64_t*)0x200003ef = 0;
    STORE_BY_BITMASK(uint64_t, , 0x200003f7, 0, 0, 13);
    STORE_BY_BITMASK(uint64_t, , 0x200003f8, 0, 5, 3);
    STORE_BY_BITMASK(uint64_t, , 0x200003f9, 0, 0, 10);
    STORE_BY_BITMASK(uint64_t, , 0x200003fa, 0, 2, 6);
    STORE_BY_BITMASK(uint64_t, , 0x200003fb, 0, 0, 1);
    STORE_BY_BITMASK(uint64_t, , 0x200003fb, 0, 1, 1);
    STORE_BY_BITMASK(uint64_t, , 0x200003fb, 0, 2, 2);
    STORE_BY_BITMASK(uint64_t, , 0x200003fb, 0, 4, 1);
    STORE_BY_BITMASK(uint64_t, , 0x200003fb, 0, 5, 27);
    *(uint16_t*)0x200003ff = 0;
    *(uint32_t*)0x20000401 = 0;
    *(uint8_t*)0x20000405 = 0;
    *(uint8_t*)0x20000406 = 0x72;
    *(uint8_t*)0x20000407 = 6;
    *(uint8_t*)0x20000408 = 3;
    *(uint8_t*)0x20000409 = 3;
    *(uint8_t*)0x2000040a = 3;
    *(uint8_t*)0x2000040b = 3;
    *(uint8_t*)0x2000040c = 3;
    *(uint8_t*)0x2000040d = 3;
    *(uint8_t*)0x2000040e = 0x76;
    *(uint8_t*)0x2000040f = 6;
    *(uint8_t*)0x20000410 = 0;
    *(uint8_t*)0x20000411 = 0;
    *(uint16_t*)0x20000412 = 0;
    *(uint16_t*)0x20000414 = 0;
    *(uint16_t*)0x20000418 = 8;
    *(uint16_t*)0x2000041a = 0xc;
    *(uint32_t*)0x2000041c = 0x64;
    *(uint16_t*)0x20000420 = 8;
    *(uint16_t*)0x20000422 = 0xd;
    *(uint32_t*)0x20000424 = 0;
    *(uint64_t*)0x20000308 = 0xa8;
    *(uint64_t*)0x20000358 = 1;
    *(uint64_t*)0x20000360 = 0;
    *(uint64_t*)0x20000368 = 0;
    *(uint32_t*)0x20000370 = 0;
    syscall(__NR_sendmsg, r[3], 0x20000340ul, 0ul);
    break;
  case 7:
    *(uint64_t*)0x20000340 = 0;
    *(uint32_t*)0x20000348 = 0;
    *(uint64_t*)0x20000350 = 0x20000300;
    *(uint64_t*)0x20000300 = 0x20000000;
    *(uint32_t*)0x20000000 = 0x30;
    *(uint16_t*)0x20000004 = r[1];
    *(uint16_t*)0x20000006 = 5;
    *(uint32_t*)0x20000008 = 0;
    *(uint32_t*)0x2000000c = 0;
    *(uint8_t*)0x20000010 = 2;
    *(uint8_t*)0x20000011 = 0;
    *(uint16_t*)0x20000012 = 0;
    *(uint16_t*)0x20000014 = 8;
    *(uint16_t*)0x20000016 = 3;
    *(uint32_t*)0x20000018 = r[2];
    *(uint16_t*)0x2000001c = 0xc;
    *(uint16_t*)0x2000001e = 0x99;
    *(uint32_t*)0x20000020 = 0x758;
    *(uint32_t*)0x20000024 = 0x53;
    *(uint16_t*)0x20000028 = 8;
    *(uint16_t*)0x2000002a = 0x26;
    *(uint32_t*)0x2000002c = 0x96c;
    *(uint64_t*)0x20000308 = 0x30;
    *(uint64_t*)0x20000358 = 1;
    *(uint64_t*)0x20000360 = 0;
    *(uint64_t*)0x20000368 = 0;
    *(uint32_t*)0x20000370 = 0x20040004;
    syscall(__NR_sendmsg, r[0], 0x20000340ul, 0x44000ul);
    break;
  case 8:
    res = syscall(__NR_socket, 0x10ul, 3ul, 0x10);
    if (res != -1)
      r[6] = res;
    break;
  case 9:
    memcpy((void*)0x20000200, "nl80211\000", 8);
    res = -1;
    res = syz_genetlink_get_family_id(0x20000200);
    if (res != -1)
      r[7] = res;
    break;
  case 10:
    memcpy((void*)0x20000700,
           "wlan0\000\000\000\000\000\000\000\000\000\000\000", 16);
    res = syscall(__NR_ioctl, r[6], 0x8933, 0x20000700ul);
    if (res != -1)
      r[8] = *(uint32_t*)0x20000710;
    break;
  case 11:
    *(uint64_t*)0x20000340 = 0;
    *(uint32_t*)0x20000348 = 0;
    *(uint64_t*)0x20000350 = 0x20000300;
    *(uint64_t*)0x20000300 = 0x20000240;
    *(uint32_t*)0x20000240 = 0x24;
    *(uint16_t*)0x20000244 = r[7];
    *(uint16_t*)0x20000246 = 5;
    *(uint32_t*)0x20000248 = 0;
    *(uint32_t*)0x2000024c = 0;
    *(uint8_t*)0x20000250 = 6;
    *(uint8_t*)0x20000251 = 0;
    *(uint16_t*)0x20000252 = 0;
    *(uint16_t*)0x20000254 = 8;
    *(uint16_t*)0x20000256 = 3;
    *(uint32_t*)0x20000258 = r[8];
    *(uint16_t*)0x2000025c = 8;
    *(uint16_t*)0x2000025e = 5;
    *(uint32_t*)0x20000260 = 9;
    *(uint64_t*)0x20000308 = 0x24;
    *(uint64_t*)0x20000358 = 1;
    *(uint64_t*)0x20000360 = 0;
    *(uint64_t*)0x20000368 = 0;
    *(uint32_t*)0x20000370 = 0;
    syscall(__NR_sendmsg, r[6], 0x20000340ul, 0ul);
    break;
  case 12:
    memcpy((void*)0x20000000, "wlan0\000", 6);
    syz_80211_join_ibss(0x20000000, 0, 0, 0);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}