// https://syzkaller.appspot.com/bug?id=93d462b93d9ff36d42054e880cc17190d95ecc1d
// 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 <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/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;
}

#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))))

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;
}

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[5] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0,
                 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  res = syscall(__NR_socket, 0x10ul, 3ul, 0x10);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000680, "nl80211\000", 8);
  res = -1;
  res = syz_genetlink_get_family_id(0x20000680);
  if (res != -1)
    r[1] = res;
  res = syscall(__NR_socket, 0x10ul, 3ul, 0x10);
  if (res != -1)
    r[2] = res;
  memcpy((void*)0x20000e40, "wlan0\000\000\000\000\000\000\000\000\000\000\000",
         16);
  res = syscall(__NR_ioctl, r[2], 0x8933, 0x20000e40ul);
  if (res != -1)
    r[3] = *(uint32_t*)0x20000e50;
  *(uint64_t*)0x20000300 = 0;
  *(uint32_t*)0x20000308 = 0;
  *(uint64_t*)0x20000310 = 0x20000040;
  *(uint64_t*)0x20000040 = 0x20000100;
  *(uint32_t*)0x20000100 = 0xe8;
  *(uint16_t*)0x20000104 = r[1];
  *(uint16_t*)0x20000106 = 1;
  *(uint32_t*)0x20000108 = 0;
  *(uint32_t*)0x2000010c = 0;
  *(uint8_t*)0x20000110 = 0x2b;
  *(uint8_t*)0x20000111 = 0;
  *(uint16_t*)0x20000112 = 0;
  *(uint16_t*)0x20000114 = 8;
  *(uint16_t*)0x20000116 = 3;
  *(uint32_t*)0x20000118 = r[3];
  *(uint16_t*)0x2000011c = 0x8b;
  *(uint16_t*)0x2000011e = 0x2a;
  *(uint8_t*)0x20000120 = 0x82;
  *(uint8_t*)0x20000121 = 0x7d;
  STORE_BY_BITMASK(uint8_t, , 0x20000122, 1, 0, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000122, 1, 1, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000122, 0, 2, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000122, 0, 3, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20000122, 0, 6, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000122, 0, 7, 1);
  *(uint8_t*)0x20000123 = 0x80;
  *(uint8_t*)0x20000124 = 0;
  *(uint32_t*)0x20000125 = 0x3ff;
  *(uint8_t*)0x20000129 = 8;
  *(uint8_t*)0x2000012a = 2;
  *(uint8_t*)0x2000012b = 0x11;
  *(uint8_t*)0x2000012c = 0;
  *(uint8_t*)0x2000012d = 0;
  *(uint8_t*)0x2000012e = 0;
  *(uint32_t*)0x2000012f = 0x99;
  *(uint32_t*)0x20000133 = 0xfffffff8;
  *(uint32_t*)0x20000137 = 2;
  *(uint8_t*)0x2000013b = 9;
  STORE_BY_BITMASK(uint8_t, , 0x2000013c, 1, 0, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000013c, 0, 1, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000013c, 0, 2, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000013c, 0, 3, 5);
  *(uint8_t*)0x2000013d = 8;
  *(uint8_t*)0x2000013e = 2;
  *(uint8_t*)0x2000013f = 0x11;
  *(uint8_t*)0x20000140 = 0;
  *(uint8_t*)0x20000141 = 0;
  *(uint8_t*)0x20000142 = 1;
  *(uint32_t*)0x20000143 = 0x7fffffff;
  STORE_BY_BITMASK(uint8_t, , 0x20000147, 0, 0, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000147, 0, 1, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000147, 0, 2, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000147, 0, 3, 5);
  *(uint8_t*)0x20000148 = 8;
  *(uint8_t*)0x20000149 = 2;
  *(uint8_t*)0x2000014a = 0x11;
  *(uint8_t*)0x2000014b = 0;
  *(uint8_t*)0x2000014c = 0;
  *(uint8_t*)0x2000014d = 1;
  *(uint32_t*)0x2000014e = 6;
  STORE_BY_BITMASK(uint8_t, , 0x20000152, 0, 0, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000152, 0, 1, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000152, 1, 2, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000152, 0, 3, 5);
  *(uint8_t*)0x20000153 = 8;
  *(uint8_t*)0x20000154 = 2;
  *(uint8_t*)0x20000155 = 0x11;
  *(uint8_t*)0x20000156 = 0;
  *(uint8_t*)0x20000157 = 0;
  *(uint8_t*)0x20000158 = 0;
  *(uint32_t*)0x20000159 = 4;
  STORE_BY_BITMASK(uint8_t, , 0x2000015d, 1, 0, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000015d, 0, 1, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000015d, 1, 2, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000015d, 0, 3, 5);
  *(uint8_t*)0x2000015e = 8;
  *(uint8_t*)0x2000015f = 2;
  *(uint8_t*)0x20000160 = 0x11;
  *(uint8_t*)0x20000161 = 0;
  *(uint8_t*)0x20000162 = 0;
  *(uint8_t*)0x20000163 = 0;
  *(uint32_t*)0x20000164 = 8;
  STORE_BY_BITMASK(uint8_t, , 0x20000168, 1, 0, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000168, 0, 1, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000168, 0, 2, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000168, 0, 3, 5);
  *(uint8_t*)0x20000169 = -1;
  *(uint8_t*)0x2000016a = -1;
  *(uint8_t*)0x2000016b = -1;
  *(uint8_t*)0x2000016c = -1;
  *(uint8_t*)0x2000016d = -1;
  *(uint8_t*)0x2000016e = -1;
  *(uint32_t*)0x2000016f = 0x400;
  STORE_BY_BITMASK(uint8_t, , 0x20000173, 0, 0, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000173, 0, 1, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000173, 1, 2, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000173, 0, 3, 5);
  *(uint8_t*)0x20000174 = 8;
  *(uint8_t*)0x20000175 = 2;
  *(uint8_t*)0x20000176 = 0x11;
  *(uint8_t*)0x20000177 = 0;
  *(uint8_t*)0x20000178 = 0;
  *(uint8_t*)0x20000179 = 1;
  *(uint32_t*)0x2000017a = 0xfb8b;
  STORE_BY_BITMASK(uint8_t, , 0x2000017e, 0, 0, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000017e, 0, 1, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000017e, 0, 2, 1);
  STORE_BY_BITMASK(uint8_t, , 0x2000017e, 0, 3, 5);
  *(uint8_t*)0x2000017f = -1;
  *(uint8_t*)0x20000180 = -1;
  *(uint8_t*)0x20000181 = -1;
  *(uint8_t*)0x20000182 = -1;
  *(uint8_t*)0x20000183 = -1;
  *(uint8_t*)0x20000184 = -1;
  *(uint32_t*)0x20000185 = 0x10001;
  STORE_BY_BITMASK(uint8_t, , 0x20000189, 0, 0, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000189, 0, 1, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000189, 1, 2, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000189, 0, 3, 5);
  *(uint8_t*)0x2000018a = 8;
  *(uint8_t*)0x2000018b = 2;
  *(uint8_t*)0x2000018c = 0x11;
  *(uint8_t*)0x2000018d = 0;
  *(uint8_t*)0x2000018e = 0;
  *(uint8_t*)0x2000018f = 0;
  *(uint32_t*)0x20000190 = 0x80;
  STORE_BY_BITMASK(uint8_t, , 0x20000194, 0, 0, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000194, 0, 1, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000194, 1, 2, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20000194, 0, 3, 5);
  *(uint8_t*)0x20000195 = 8;
  *(uint8_t*)0x20000196 = 2;
  *(uint8_t*)0x20000197 = 0x11;
  *(uint8_t*)0x20000198 = 0;
  *(uint8_t*)0x20000199 = 0;
  *(uint8_t*)0x2000019a = 0;
  *(uint32_t*)0x2000019b = 0x800;
  *(uint8_t*)0x2000019f = 0xdd;
  *(uint8_t*)0x200001a0 = 6;
  memcpy((void*)0x200001a1, "\xbd\xb8\xb1\x11\x0f\x65", 6);
  *(uint16_t*)0x200001a8 = 0x2c;
  STORE_BY_BITMASK(uint16_t, , 0x200001aa, 0x51, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200001ab, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200001ab, 1, 7, 1);
  *(uint16_t*)0x200001ac = 0x28;
  STORE_BY_BITMASK(uint16_t, , 0x200001ae, 0, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200001af, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200001af, 1, 7, 1);
  *(uint16_t*)0x200001b0 = 8;
  STORE_BY_BITMASK(uint16_t, , 0x200001b2, 8, 0, 14);
  STORE_BY_BITMASK(uint16_t, , 0x200001b3, 0, 6, 1);
  STORE_BY_BITMASK(uint16_t, , 0x200001b3, 1, 7, 1);
  *(uint16_t*)0x200001b4 = 4;
  *(uint16_t*)0x200001b6 = 1;
  *(uint16_t*)0x200001b8 = 5;
  *(uint16_t*)0x200001ba = 2;
  *(uint8_t*)0x200001bc = 0;
  *(uint16_t*)0x200001c0 = 0x11;
  *(uint16_t*)0x200001c2 = 1;
  memcpy((void*)0x200001c4,
         "\x44\x5d\xf7\x87\xdd\x2c\xa6\x0b\x38\xe1\xd7\xef\xef", 13);
  *(uint16_t*)0x200001d4 = 0xa;
  *(uint16_t*)0x200001d6 = 0x34;
  *(uint8_t*)0x200001d8 = 2;
  *(uint8_t*)0x200001d9 = 2;
  *(uint8_t*)0x200001da = 2;
  *(uint8_t*)0x200001db = 2;
  *(uint8_t*)0x200001dc = 2;
  *(uint8_t*)0x200001dd = 2;
  *(uint16_t*)0x200001e0 = 8;
  *(uint16_t*)0x200001e2 = 0x26;
  *(uint32_t*)0x200001e4 = 0x96c;
  *(uint64_t*)0x20000048 = 0xe8;
  *(uint64_t*)0x20000318 = 1;
  *(uint64_t*)0x20000320 = 0;
  *(uint64_t*)0x20000328 = 0;
  *(uint32_t*)0x20000330 = 0x4000040;
  syscall(__NR_sendmsg, r[0], 0x20000300ul, 0ul);
  memcpy((void*)0x20000080, "wlan0\000", 6);
  *(uint8_t*)0x200000c0 = 2;
  *(uint8_t*)0x200000c1 = 2;
  *(uint8_t*)0x200000c2 = 2;
  *(uint8_t*)0x200000c3 = 2;
  *(uint8_t*)0x200000c4 = 2;
  *(uint8_t*)0x200000c5 = 2;
  syz_80211_join_ibss(0x20000080, 0x200000c0, 6, 0);
  res = syscall(__NR_socket, 0x10ul, 3ul, 0x10);
  if (res != -1)
    r[4] = res;
  memcpy((void*)0x200008c0, "wlan0\000\000\000\000\000\000\000\000\000\000\000",
         16);
  syscall(__NR_ioctl, r[4], 0x8914, 0x200008c0ul);
}
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;
}