// https://syzkaller.appspot.com/bug?id=8e696629d20b4fd0c24a28d4c82b9a24d700a952
// 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 <setjmp.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 __thread int clone_ongoing;
static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) {
    exit(sig);
  }
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
  int valid = addr < prog_start || addr > prog_end;
  if (skip && valid) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

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 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_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 struct nlmsg nlmsg;

#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 err;
}

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 err;
}

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, true);
  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,
                                        volatile long sock_arg)
{
  int fd = sock_arg;
  if (fd < 0) {
    fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
    if (fd == -1) {
      return -1;
    }
  }
  struct nlmsg nlmsg_tmp;
  int ret = netlink_query_family_id(&nlmsg_tmp, fd, (char*)name, false);
  if ((int)sock_arg < 0)
    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 NL802154_CMD_SET_SHORT_ADDR 11
#define NL802154_ATTR_IFINDEX 3
#define NL802154_ATTR_SHORT_ADDR 10

static void setup_802154()
{
  int sock_route = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock_route == -1)
    exit(1);
  int sock_generic = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock_generic < 0)
    exit(1);
  int nl802154_family_id =
      netlink_query_family_id(&nlmsg, sock_generic, "nl802154", true);
  for (int i = 0; i < 2; i++) {
    char devname[] = "wpan0";
    devname[strlen(devname) - 1] += i;
    uint64_t hwaddr = 0xaaaaaaaaaaaa0002 + (i << 8);
    uint16_t shortaddr = 0xaaa0 + i;
    int ifindex = if_nametoindex(devname);
    struct genlmsghdr genlhdr;
    memset(&genlhdr, 0, sizeof(genlhdr));
    genlhdr.cmd = NL802154_CMD_SET_SHORT_ADDR;
    netlink_init(&nlmsg, nl802154_family_id, 0, &genlhdr, sizeof(genlhdr));
    netlink_attr(&nlmsg, NL802154_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
    netlink_attr(&nlmsg, NL802154_ATTR_SHORT_ADDR, &shortaddr,
                 sizeof(shortaddr));
    int err = netlink_send(&nlmsg, sock_generic);
    if (err < 0) {
    }
    netlink_device_change(&nlmsg, sock_route, devname, true, 0, &hwaddr,
                          sizeof(hwaddr), 0);
    if (i == 0) {
      netlink_add_device_impl(&nlmsg, "lowpan", "lowpan0", false);
      netlink_done(&nlmsg);
      netlink_attr(&nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
      int err = netlink_send(&nlmsg, sock_route);
      if (err < 0) {
      }
    }
  }
  close(sock_route);
  close(sock_generic);
}

#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", true);
  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 < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

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

void execute_one(void)
{
  intptr_t res = 0;
  res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0x10);
  if (res != -1)
    r[0] = res;
  NONFAILING(memcpy((void*)0x200001c0, "nl80211\000", 8));
  res = -1;
  NONFAILING(res = syz_genetlink_get_family_id(/*name=*/0x200001c0, /*fd=*/-1));
  if (res != -1)
    r[1] = res;
  NONFAILING(memcpy((void*)0x200000c0,
                    "wlan1\000\000\000\000\000\000\000\000\000\000\000", 16));
  res = syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x8933, /*arg=*/0x200000c0ul);
  if (res != -1)
    NONFAILING(r[2] = *(uint32_t*)0x200000d0);
  NONFAILING(*(uint64_t*)0x20000100 = 0);
  NONFAILING(*(uint32_t*)0x20000108 = 0);
  NONFAILING(*(uint64_t*)0x20000110 = 0x20000140);
  NONFAILING(*(uint64_t*)0x20000140 = 0x20000180);
  NONFAILING(*(uint32_t*)0x20000180 = 0x24);
  NONFAILING(*(uint16_t*)0x20000184 = r[1]);
  NONFAILING(*(uint16_t*)0x20000186 = 5);
  NONFAILING(*(uint32_t*)0x20000188 = 0);
  NONFAILING(*(uint32_t*)0x2000018c = 0);
  NONFAILING(*(uint8_t*)0x20000190 = 6);
  NONFAILING(*(uint8_t*)0x20000191 = 0);
  NONFAILING(*(uint16_t*)0x20000192 = 0);
  NONFAILING(*(uint16_t*)0x20000194 = 8);
  NONFAILING(*(uint16_t*)0x20000196 = 3);
  NONFAILING(*(uint32_t*)0x20000198 = r[2]);
  NONFAILING(*(uint16_t*)0x2000019c = 8);
  NONFAILING(*(uint16_t*)0x2000019e = 5);
  NONFAILING(*(uint32_t*)0x200001a0 = 2);
  NONFAILING(*(uint64_t*)0x20000148 = 0x24);
  NONFAILING(*(uint64_t*)0x20000118 = 1);
  NONFAILING(*(uint64_t*)0x20000120 = 0);
  NONFAILING(*(uint64_t*)0x20000128 = 0);
  NONFAILING(*(uint32_t*)0x20000130 = 0);
  syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x20000100ul, /*f=*/0ul);
  res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0x10);
  if (res != -1)
    r[3] = res;
  NONFAILING(memcpy((void*)0x20000480,
                    "wlan1\000\000\000\000\000\000\000\000\000\000\000", 16));
  res = syscall(__NR_ioctl, /*fd=*/r[3], /*cmd=*/0x8933, /*arg=*/0x20000480ul);
  if (res != -1)
    NONFAILING(r[4] = *(uint32_t*)0x20000490);
  NONFAILING(memcpy((void*)0x20000200, "nl80211\000", 8));
  res = -1;
  NONFAILING(res = syz_genetlink_get_family_id(/*name=*/0x20000200, /*fd=*/-1));
  if (res != -1)
    r[5] = res;
  res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0x10);
  if (res != -1)
    r[6] = res;
  NONFAILING(memcpy((void*)0x200000c0,
                    "wlan1\000\000\000\000\000\000\000\000\000\000\000", 16));
  res = syscall(__NR_ioctl, /*fd=*/r[6], /*cmd=*/0x8933, /*arg=*/0x200000c0ul);
  if (res != -1)
    NONFAILING(r[7] = *(uint32_t*)0x200000d0);
  NONFAILING(memcpy((void*)0x20000080, "nl80211\000", 8));
  res = -1;
  NONFAILING(res = syz_genetlink_get_family_id(/*name=*/0x20000080, /*fd=*/-1));
  if (res != -1)
    r[8] = res;
  NONFAILING(*(uint64_t*)0x20000240 = 0);
  NONFAILING(*(uint32_t*)0x20000248 = 0);
  NONFAILING(*(uint64_t*)0x20000250 = 0x20000200);
  NONFAILING(*(uint64_t*)0x20000200 = 0x20000000);
  NONFAILING(*(uint32_t*)0x20000000 = 0x28);
  NONFAILING(*(uint16_t*)0x20000004 = r[8]);
  NONFAILING(*(uint16_t*)0x20000006 = 5);
  NONFAILING(*(uint32_t*)0x20000008 = 0);
  NONFAILING(*(uint32_t*)0x2000000c = 0);
  NONFAILING(*(uint8_t*)0x20000010 = 0x2e);
  NONFAILING(*(uint8_t*)0x20000011 = 0);
  NONFAILING(*(uint16_t*)0x20000012 = 0);
  NONFAILING(*(uint16_t*)0x20000014 = 8);
  NONFAILING(*(uint16_t*)0x20000016 = 3);
  NONFAILING(*(uint32_t*)0x20000018 = r[7]);
  NONFAILING(*(uint16_t*)0x2000001c = 0xa);
  NONFAILING(*(uint16_t*)0x2000001e = 0x34);
  NONFAILING(memset((void*)0x20000020, 2, 6));
  NONFAILING(*(uint64_t*)0x20000208 = 0x28);
  NONFAILING(*(uint64_t*)0x20000258 = 1);
  NONFAILING(*(uint64_t*)0x20000260 = 0);
  NONFAILING(*(uint64_t*)0x20000268 = 0);
  NONFAILING(*(uint32_t*)0x20000270 = 0);
  syscall(__NR_sendmsg, /*fd=*/r[6], /*msg=*/0x20000240ul, /*f=*/0ul);
  NONFAILING(*(uint64_t*)0x20000080 = 0);
  NONFAILING(*(uint32_t*)0x20000088 = 0);
  NONFAILING(*(uint64_t*)0x20000090 = 0x20000100);
  NONFAILING(*(uint64_t*)0x20000100 = 0x20000040);
  NONFAILING(*(uint32_t*)0x20000040 = 0x2c);
  NONFAILING(*(uint16_t*)0x20000044 = r[5]);
  NONFAILING(*(uint16_t*)0x20000046 = 1);
  NONFAILING(*(uint32_t*)0x20000048 = 0);
  NONFAILING(*(uint32_t*)0x2000004c = 0);
  NONFAILING(*(uint8_t*)0x20000050 = 0x37);
  NONFAILING(*(uint8_t*)0x20000051 = 0);
  NONFAILING(*(uint16_t*)0x20000052 = 0);
  NONFAILING(*(uint16_t*)0x20000054 = 8);
  NONFAILING(*(uint16_t*)0x20000056 = 3);
  NONFAILING(*(uint32_t*)0x20000058 = r[4]);
  NONFAILING(*(uint16_t*)0x2000005c = 8);
  NONFAILING(*(uint16_t*)0x2000005e = 0x26);
  NONFAILING(*(uint32_t*)0x20000060 = 0x1590);
  NONFAILING(*(uint16_t*)0x20000064 = 8);
  NONFAILING(*(uint16_t*)0x20000066 = 0x57);
  NONFAILING(*(uint32_t*)0x20000068 = 0x80);
  NONFAILING(*(uint64_t*)0x20000108 = 0x2c);
  NONFAILING(*(uint64_t*)0x20000098 = 1);
  NONFAILING(*(uint64_t*)0x200000a0 = 0);
  NONFAILING(*(uint64_t*)0x200000a8 = 0);
  NONFAILING(*(uint32_t*)0x200000b0 = 0);
  syscall(__NR_sendmsg, /*fd=*/r[3], /*msg=*/0x20000080ul, /*f=*/0ul);
  NONFAILING(memcpy((void*)0x20000140, "wlan1\000", 6));
  NONFAILING(syz_80211_join_ibss(/*interface=*/0x20000140, /*ssid=*/0,
                                 /*ssid_len=*/0, /*join_mode=*/0));
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  setup_802154();
  install_segv_handler();
  loop();
  return 0;
}