// https://syzkaller.appspot.com/bug?id=c0227e65872b1311a7b8f2cd9e83dca5ce4cd247
// 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 <sched.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/epoll.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/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/rfkill.h>
#include <linux/rtnetlink.h>
#include <linux/veth.h>

static unsigned long long procid;

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 void use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

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);
}

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 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, bool dofail)
{
  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_ext(nlmsg, sock, 0, NULL, dofail);
  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,
                             bool dofail)
{
  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_ext(nlmsg, sock, 0, NULL, dofail);
  if (err < 0) {
  }
  return err;
}

static int get_ifla_operstate(struct nlmsg* nlmsg, int ifindex, bool dofail)
{
  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, dofail);
  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, bool dofail)
{
  int ifindex = if_nametoindex(interface);
  while (true) {
    usleep(1000);
    int ret = get_ifla_operstate(nlmsg, ifindex, dofail);
    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,
                                        bool dofail)
{
  int ifindex = if_nametoindex(interface);
  if (ifindex == 0) {
    return -1;
  }
  int ret = nl80211_set_interface(nlmsg, sock, nl80211_family_id, ifindex,
                                  NL80211_IFTYPE_ADHOC, dofail);
  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,
                          dofail);
  if (ret < 0) {
    return -1;
  }
  return 0;
}

static int hwsim80211_create_device(struct nlmsg* nlmsg, int sock,
                                    int hwsim_family,
                                    uint8_t mac_addr[ETH_ALEN])
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = HWSIM_CMD_NEW_RADIO;
  netlink_init(nlmsg, hwsim_family, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, HWSIM_ATTR_SUPPORT_P2P_DEVICE, NULL, 0);
  netlink_attr(nlmsg, HWSIM_ATTR_PERM_ADDR, mac_addr, ETH_ALEN);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
  return err;
}

static void initialize_wifi_devices(void)
{
  int rfkill = open("/dev/rfkill", O_RDWR);
  if (rfkill == -1)
    exit(1);
  struct rfkill_event event = {0};
  event.type = RFKILL_TYPE_ALL;
  event.op = RFKILL_OP_CHANGE_ALL;
  if (write(rfkill, &event, sizeof(event)) != (ssize_t)(sizeof(event)))
    exit(1);
  close(rfkill);
  uint8_t mac_addr[6] = WIFI_MAC_BASE;
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock < 0)
    exit(1);
  int hwsim_family_id =
      netlink_query_family_id(&nlmsg, sock, "MAC80211_HWSIM", true);
  int nl80211_family_id =
      netlink_query_family_id(&nlmsg, sock, "nl80211", true);
  if (hwsim_family_id < 0 || nl80211_family_id < 0)
    exit(1);
  uint8_t ssid[] = WIFI_IBSS_SSID;
  uint8_t bssid[] = WIFI_IBSS_BSSID;
  struct join_ibss_props ibss_props = {.wiphy_freq = WIFI_DEFAULT_FREQUENCY,
                                       .wiphy_freq_fixed = true,
                                       .mac = bssid,
                                       .ssid = ssid,
                                       .ssid_len = sizeof(ssid)};
  for (int device_id = 0; device_id < WIFI_INITIAL_DEVICE_COUNT; device_id++) {
    mac_addr[5] = device_id;
    int ret = hwsim80211_create_device(&nlmsg, sock, hwsim_family_id, mac_addr);
    if (ret < 0)
      exit(1);
    char interface[6] = "wlan0";
    interface[4] += device_id;
    if (nl80211_setup_ibss_interface(&nlmsg, sock, nl80211_family_id, interface,
                                     &ibss_props, true) < 0)
      exit(1);
  }
  for (int device_id = 0; device_id < WIFI_INITIAL_DEVICE_COUNT; device_id++) {
    char interface[6] = "wlan0";
    interface[4] += device_id;
    int ret = await_ifla_operstate(&nlmsg, interface, IF_OPER_UP, true);
    if (ret < 0)
      exit(1);
  }
  close(sock);
}

#define MAX_FDS 30

#define BTPROTO_HCI 1
#define ACL_LINK 1
#define SCAN_PAGE 2

typedef struct {
  uint8_t b[6];
} __attribute__((packed)) bdaddr_t;

#define HCI_COMMAND_PKT 1
#define HCI_EVENT_PKT 4
#define HCI_VENDOR_PKT 0xff

struct hci_command_hdr {
  uint16_t opcode;
  uint8_t plen;
} __attribute__((packed));

struct hci_event_hdr {
  uint8_t evt;
  uint8_t plen;
} __attribute__((packed));

#define HCI_EV_CONN_COMPLETE 0x03
struct hci_ev_conn_complete {
  uint8_t status;
  uint16_t handle;
  bdaddr_t bdaddr;
  uint8_t link_type;
  uint8_t encr_mode;
} __attribute__((packed));

#define HCI_EV_CONN_REQUEST 0x04
struct hci_ev_conn_request {
  bdaddr_t bdaddr;
  uint8_t dev_class[3];
  uint8_t link_type;
} __attribute__((packed));

#define HCI_EV_REMOTE_FEATURES 0x0b
struct hci_ev_remote_features {
  uint8_t status;
  uint16_t handle;
  uint8_t features[8];
} __attribute__((packed));

#define HCI_EV_CMD_COMPLETE 0x0e
struct hci_ev_cmd_complete {
  uint8_t ncmd;
  uint16_t opcode;
} __attribute__((packed));

#define HCI_OP_WRITE_SCAN_ENABLE 0x0c1a

#define HCI_OP_READ_BUFFER_SIZE 0x1005
struct hci_rp_read_buffer_size {
  uint8_t status;
  uint16_t acl_mtu;
  uint8_t sco_mtu;
  uint16_t acl_max_pkt;
  uint16_t sco_max_pkt;
} __attribute__((packed));

#define HCI_OP_READ_BD_ADDR 0x1009
struct hci_rp_read_bd_addr {
  uint8_t status;
  bdaddr_t bdaddr;
} __attribute__((packed));

#define HCI_EV_LE_META 0x3e
struct hci_ev_le_meta {
  uint8_t subevent;
} __attribute__((packed));

#define HCI_EV_LE_CONN_COMPLETE 0x01
struct hci_ev_le_conn_complete {
  uint8_t status;
  uint16_t handle;
  uint8_t role;
  uint8_t bdaddr_type;
  bdaddr_t bdaddr;
  uint16_t interval;
  uint16_t latency;
  uint16_t supervision_timeout;
  uint8_t clk_accurancy;
} __attribute__((packed));

struct hci_dev_req {
  uint16_t dev_id;
  uint32_t dev_opt;
};

struct vhci_vendor_pkt_request {
  uint8_t type;
  uint8_t opcode;
} __attribute__((packed));

struct vhci_pkt {
  uint8_t type;
  union {
    struct {
      uint8_t opcode;
      uint16_t id;
    } __attribute__((packed)) vendor_pkt;
    struct hci_command_hdr command_hdr;
  };
} __attribute__((packed));

#define HCIDEVUP _IOW('H', 201, int)
#define HCISETSCAN _IOW('H', 221, int)

static int vhci_fd = -1;

static void rfkill_unblock_all()
{
  int fd = open("/dev/rfkill", O_WRONLY);
  if (fd < 0)
    exit(1);
  struct rfkill_event event = {0};
  event.idx = 0;
  event.type = RFKILL_TYPE_ALL;
  event.op = RFKILL_OP_CHANGE_ALL;
  event.soft = 0;
  event.hard = 0;
  if (write(fd, &event, sizeof(event)) < 0)
    exit(1);
  close(fd);
}

static void hci_send_event_packet(int fd, uint8_t evt, void* data,
                                  size_t data_len)
{
  struct iovec iv[3];
  struct hci_event_hdr hdr;
  hdr.evt = evt;
  hdr.plen = data_len;
  uint8_t type = HCI_EVENT_PKT;
  iv[0].iov_base = &type;
  iv[0].iov_len = sizeof(type);
  iv[1].iov_base = &hdr;
  iv[1].iov_len = sizeof(hdr);
  iv[2].iov_base = data;
  iv[2].iov_len = data_len;
  if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
    exit(1);
}

static void hci_send_event_cmd_complete(int fd, uint16_t opcode, void* data,
                                        size_t data_len)
{
  struct iovec iv[4];
  struct hci_event_hdr hdr;
  hdr.evt = HCI_EV_CMD_COMPLETE;
  hdr.plen = sizeof(struct hci_ev_cmd_complete) + data_len;
  struct hci_ev_cmd_complete evt_hdr;
  evt_hdr.ncmd = 1;
  evt_hdr.opcode = opcode;
  uint8_t type = HCI_EVENT_PKT;
  iv[0].iov_base = &type;
  iv[0].iov_len = sizeof(type);
  iv[1].iov_base = &hdr;
  iv[1].iov_len = sizeof(hdr);
  iv[2].iov_base = &evt_hdr;
  iv[2].iov_len = sizeof(evt_hdr);
  iv[3].iov_base = data;
  iv[3].iov_len = data_len;
  if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
    exit(1);
}

static bool process_command_pkt(int fd, char* buf, ssize_t buf_size)
{
  struct hci_command_hdr* hdr = (struct hci_command_hdr*)buf;
  if (buf_size < (ssize_t)sizeof(struct hci_command_hdr) ||
      hdr->plen != buf_size - sizeof(struct hci_command_hdr))
    exit(1);
  switch (hdr->opcode) {
  case HCI_OP_WRITE_SCAN_ENABLE: {
    uint8_t status = 0;
    hci_send_event_cmd_complete(fd, hdr->opcode, &status, sizeof(status));
    return true;
  }
  case HCI_OP_READ_BD_ADDR: {
    struct hci_rp_read_bd_addr rp = {0};
    rp.status = 0;
    memset(&rp.bdaddr, 0xaa, 6);
    hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
    return false;
  }
  case HCI_OP_READ_BUFFER_SIZE: {
    struct hci_rp_read_buffer_size rp = {0};
    rp.status = 0;
    rp.acl_mtu = 1021;
    rp.sco_mtu = 96;
    rp.acl_max_pkt = 4;
    rp.sco_max_pkt = 6;
    hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
    return false;
  }
  }
  char dummy[0xf9] = {0};
  hci_send_event_cmd_complete(fd, hdr->opcode, dummy, sizeof(dummy));
  return false;
}

static void* event_thread(void* arg)
{
  while (1) {
    char buf[1024] = {0};
    ssize_t buf_size = read(vhci_fd, buf, sizeof(buf));
    if (buf_size < 0)
      exit(1);
    if (buf_size > 0 && buf[0] == HCI_COMMAND_PKT) {
      if (process_command_pkt(vhci_fd, buf + 1, buf_size - 1))
        break;
    }
  }
  return NULL;
}
#define HCI_HANDLE_1 200
#define HCI_HANDLE_2 201

#define HCI_PRIMARY 0
#define HCI_OP_RESET 0x0c03

static void initialize_vhci()
{
  int hci_sock = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
  if (hci_sock < 0)
    exit(1);
  vhci_fd = open("/dev/vhci", O_RDWR);
  if (vhci_fd == -1)
    exit(1);
  const int kVhciFd = 202;
  if (dup2(vhci_fd, kVhciFd) < 0)
    exit(1);
  close(vhci_fd);
  vhci_fd = kVhciFd;
  struct vhci_vendor_pkt_request vendor_pkt_req = {HCI_VENDOR_PKT, HCI_PRIMARY};
  if (write(vhci_fd, &vendor_pkt_req, sizeof(vendor_pkt_req)) !=
      sizeof(vendor_pkt_req))
    exit(1);
  struct vhci_pkt vhci_pkt;
  if (read(vhci_fd, &vhci_pkt, sizeof(vhci_pkt)) != sizeof(vhci_pkt))
    exit(1);
  if (vhci_pkt.type == HCI_COMMAND_PKT &&
      vhci_pkt.command_hdr.opcode == HCI_OP_RESET) {
    char response[1] = {0};
    hci_send_event_cmd_complete(vhci_fd, HCI_OP_RESET, response,
                                sizeof(response));
    if (read(vhci_fd, &vhci_pkt, sizeof(vhci_pkt)) != sizeof(vhci_pkt))
      exit(1);
  }
  if (vhci_pkt.type != HCI_VENDOR_PKT)
    exit(1);
  int dev_id = vhci_pkt.vendor_pkt.id;
  pthread_t th;
  if (pthread_create(&th, NULL, event_thread, NULL))
    exit(1);
  int ret = ioctl(hci_sock, HCIDEVUP, dev_id);
  if (ret) {
    if (errno == ERFKILL) {
      rfkill_unblock_all();
      ret = ioctl(hci_sock, HCIDEVUP, dev_id);
    }
    if (ret && errno != EALREADY)
      exit(1);
  }
  struct hci_dev_req dr = {0};
  dr.dev_id = dev_id;
  dr.dev_opt = SCAN_PAGE;
  if (ioctl(hci_sock, HCISETSCAN, &dr))
    exit(1);
  struct hci_ev_conn_request request;
  memset(&request, 0, sizeof(request));
  memset(&request.bdaddr, 0xaa, 6);
  *(uint8_t*)&request.bdaddr.b[5] = 0x10;
  request.link_type = ACL_LINK;
  hci_send_event_packet(vhci_fd, HCI_EV_CONN_REQUEST, &request,
                        sizeof(request));
  struct hci_ev_conn_complete complete;
  memset(&complete, 0, sizeof(complete));
  complete.status = 0;
  complete.handle = HCI_HANDLE_1;
  memset(&complete.bdaddr, 0xaa, 6);
  *(uint8_t*)&complete.bdaddr.b[5] = 0x10;
  complete.link_type = ACL_LINK;
  complete.encr_mode = 0;
  hci_send_event_packet(vhci_fd, HCI_EV_CONN_COMPLETE, &complete,
                        sizeof(complete));
  struct hci_ev_remote_features features;
  memset(&features, 0, sizeof(features));
  features.status = 0;
  features.handle = HCI_HANDLE_1;
  hci_send_event_packet(vhci_fd, HCI_EV_REMOTE_FEATURES, &features,
                        sizeof(features));
  struct {
    struct hci_ev_le_meta le_meta;
    struct hci_ev_le_conn_complete le_conn;
  } le_conn;
  memset(&le_conn, 0, sizeof(le_conn));
  le_conn.le_meta.subevent = HCI_EV_LE_CONN_COMPLETE;
  memset(&le_conn.le_conn.bdaddr, 0xaa, 6);
  *(uint8_t*)&le_conn.le_conn.bdaddr.b[5] = 0x11;
  le_conn.le_conn.role = 1;
  le_conn.le_conn.handle = HCI_HANDLE_2;
  hci_send_event_packet(vhci_fd, HCI_EV_LE_META, &le_conn, sizeof(le_conn));
  pthread_join(th, NULL);
  close(hci_sock);
}

static void setup_gadgetfs();
static void setup_binderfs();
static void setup_fusectl();
static void sandbox_common_mount_tmpfs(void)
{
  write_file("/proc/sys/fs/mount-max", "100000");
  if (mkdir("./syz-tmp", 0777))
    exit(1);
  if (mount("", "./syz-tmp", "tmpfs", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot", 0777))
    exit(1);
  if (mkdir("./syz-tmp/newroot/dev", 0700))
    exit(1);
  unsigned bind_mount_flags = MS_BIND | MS_REC | MS_PRIVATE;
  if (mount("/dev", "./syz-tmp/newroot/dev", NULL, bind_mount_flags, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/proc", 0700))
    exit(1);
  if (mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/selinux", 0700))
    exit(1);
  const char* selinux_path = "./syz-tmp/newroot/selinux";
  if (mount("/selinux", selinux_path, NULL, bind_mount_flags, NULL)) {
    if (errno != ENOENT)
      exit(1);
    if (mount("/sys/fs/selinux", selinux_path, NULL, bind_mount_flags, NULL) &&
        errno != ENOENT)
      exit(1);
  }
  if (mkdir("./syz-tmp/newroot/sys", 0700))
    exit(1);
  if (mount("/sys", "./syz-tmp/newroot/sys", 0, bind_mount_flags, NULL))
    exit(1);
  if (mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/proc/sys/fs/binfmt_misc",
            "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, bind_mount_flags,
            NULL) &&
      errno != ENOENT)
    exit(1);
  if (mkdir("./syz-tmp/newroot/syz-inputs", 0700))
    exit(1);
  if (mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL,
            bind_mount_flags | MS_RDONLY, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mkdir("./syz-tmp/pivot", 0777))
    exit(1);
  if (syscall(SYS_pivot_root, "./syz-tmp", "./syz-tmp/pivot")) {
    if (chdir("./syz-tmp"))
      exit(1);
  } else {
    if (chdir("/"))
      exit(1);
    if (umount2("./pivot", MNT_DETACH))
      exit(1);
  }
  if (chroot("./newroot"))
    exit(1);
  if (chdir("/"))
    exit(1);
  setup_gadgetfs();
  setup_binderfs();
  setup_fusectl();
}

static void setup_gadgetfs()
{
  if (mkdir("/dev/gadgetfs", 0777)) {
  }
  if (mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL)) {
  }
}

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

static void setup_binderfs()
{
  if (mkdir("/dev/binderfs", 0777)) {
  }
  if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) {
  }
}

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  if (getppid() == 1)
    exit(1);
  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 = 128 << 20;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
  if (unshare(CLONE_NEWNS)) {
  }
  if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
  }
  if (unshare(CLONE_NEWIPC)) {
  }
  if (unshare(0x02000000)) {
  }
  if (unshare(CLONE_NEWUTS)) {
  }
  if (unshare(CLONE_SYSVSEM)) {
  }
  typedef struct {
    const char* name;
    const char* value;
  } sysctl_t;
  static const sysctl_t sysctls[] = {
      {"/proc/sys/kernel/shmmax", "16777216"},
      {"/proc/sys/kernel/shmall", "536870912"},
      {"/proc/sys/kernel/shmmni", "1024"},
      {"/proc/sys/kernel/msgmax", "8192"},
      {"/proc/sys/kernel/msgmni", "1024"},
      {"/proc/sys/kernel/msgmnb", "1024"},
      {"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
  };
  unsigned i;
  for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
    write_file(sysctls[i].name, sysctls[i].value);
}

static int wait_for_loop(int pid)
{
  if (pid < 0)
    exit(1);
  int status = 0;
  while (waitpid(-1, &status, __WALL) != pid) {
  }
  return WEXITSTATUS(status);
}

static void drop_caps(void)
{
  struct __user_cap_header_struct cap_hdr = {};
  struct __user_cap_data_struct cap_data[2] = {};
  cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
  cap_hdr.pid = getpid();
  if (syscall(SYS_capget, &cap_hdr, &cap_data))
    exit(1);
  const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
  cap_data[0].effective &= ~drop;
  cap_data[0].permitted &= ~drop;
  cap_data[0].inheritable &= ~drop;
  if (syscall(SYS_capset, &cap_hdr, &cap_data))
    exit(1);
}

static int do_sandbox_none(void)
{
  if (unshare(CLONE_NEWPID)) {
  }
  int pid = fork();
  if (pid != 0)
    return wait_for_loop(pid);
  initialize_vhci();
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  initialize_wifi_devices();
  sandbox_common_mount_tmpfs();
  loop();
  exit(1);
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;

retry:
  while (umount2(dir, umount_flags) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    while (umount2(filename, umount_flags) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, umount_flags))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, umount_flags))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

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");
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void close_fds()
{
  for (int fd = 3; fd < MAX_FDS; fd++)
    close(fd);
}

static const char* setup_binfmt_misc()
{
  if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0) &&
      errno != EBUSY) {
    return NULL;
  }
  if (!write_file("/proc/sys/fs/binfmt_misc/register",
                  ":syz0:M:0:\x01::./file0:") ||
      !write_file("/proc/sys/fs/binfmt_misc/register",
                  ":syz1:M:1:\x02::./file0:POC"))
    return "write(/proc/sys/fs/binfmt_misc/register) failed";
  return NULL;
}

static const char* setup_usb()
{
  if (chmod("/dev/raw-gadget", 0666))
    return "failed to chmod /dev/raw-gadget";
  return NULL;
}

static void setup_sysctl()
{
  int cad_pid = fork();
  if (cad_pid < 0)
    exit(1);
  if (cad_pid == 0) {
    for (;;)
      sleep(100);
  }
  char tmppid[32];
  snprintf(tmppid, sizeof(tmppid), "%d", cad_pid);
  struct {
    const char* name;
    const char* data;
  } files[] = {
      {"/sys/kernel/debug/x86/nmi_longest_ns", "10000000000"},
      {"/proc/sys/kernel/hung_task_check_interval_secs", "20"},
      {"/proc/sys/net/core/bpf_jit_kallsyms", "1"},
      {"/proc/sys/net/core/bpf_jit_harden", "0"},
      {"/proc/sys/kernel/kptr_restrict", "0"},
      {"/proc/sys/kernel/softlockup_all_cpu_backtrace", "1"},
      {"/proc/sys/fs/mount-max", "100"},
      {"/proc/sys/vm/oom_dump_tasks", "0"},
      {"/proc/sys/debug/exception-trace", "0"},
      {"/proc/sys/kernel/printk", "7 4 1 3"},
      {"/proc/sys/kernel/keys/gc_delay", "1"},
      {"/proc/sys/vm/oom_kill_allocating_task", "1"},
      {"/proc/sys/kernel/ctrl-alt-del", "0"},
      {"/proc/sys/kernel/cad_pid", tmppid},
  };
  for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].name, files[i].data)) {
    }
  }
  kill(cad_pid, SIGKILL);
  while (waitpid(cad_pid, NULL, 0) != cad_pid)
    ;
}

#define NL802154_CMD_SET_SHORT_ADDR 11
#define NL802154_ATTR_IFINDEX 3
#define NL802154_ATTR_SHORT_ADDR 10

static const char* setup_802154()
{
  const char* error = NULL;
  int sock_generic = -1;
  int sock_route = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock_route == -1) {
    error = "socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) failed";
    goto fail;
  }
  sock_generic = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock_generic == -1) {
    error = "socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) failed";
    goto fail;
  }
  {
    int nl802154_family_id =
        netlink_query_family_id(&nlmsg, sock_generic, "nl802154", true);
    if (nl802154_family_id < 0) {
      error = "netlink_query_family_id failed";
      goto fail;
    }
    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));
      if (netlink_send(&nlmsg, sock_generic) < 0) {
        error = "NL802154_CMD_SET_SHORT_ADDR failed";
        goto fail;
      }
      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));
        if (netlink_send(&nlmsg, sock_route) < 0) {
          error = "netlink: adding device lowpan0 type lowpan link wpan0";
          goto fail;
        }
      }
    }
  }
fail:
  close(sock_route);
  close(sock_generic);
  return error;
}

#define FUSE_MIN_READ_BUFFER 8192
enum fuse_opcode {
  FUSE_LOOKUP = 1,
  FUSE_FORGET = 2,
  FUSE_GETATTR = 3,
  FUSE_SETATTR = 4,
  FUSE_READLINK = 5,
  FUSE_SYMLINK = 6,
  FUSE_MKNOD = 8,
  FUSE_MKDIR = 9,
  FUSE_UNLINK = 10,
  FUSE_RMDIR = 11,
  FUSE_RENAME = 12,
  FUSE_LINK = 13,
  FUSE_OPEN = 14,
  FUSE_READ = 15,
  FUSE_WRITE = 16,
  FUSE_STATFS = 17,
  FUSE_RELEASE = 18,
  FUSE_FSYNC = 20,
  FUSE_SETXATTR = 21,
  FUSE_GETXATTR = 22,
  FUSE_LISTXATTR = 23,
  FUSE_REMOVEXATTR = 24,
  FUSE_FLUSH = 25,
  FUSE_INIT = 26,
  FUSE_OPENDIR = 27,
  FUSE_READDIR = 28,
  FUSE_RELEASEDIR = 29,
  FUSE_FSYNCDIR = 30,
  FUSE_GETLK = 31,
  FUSE_SETLK = 32,
  FUSE_SETLKW = 33,
  FUSE_ACCESS = 34,
  FUSE_CREATE = 35,
  FUSE_INTERRUPT = 36,
  FUSE_BMAP = 37,
  FUSE_DESTROY = 38,
  FUSE_IOCTL = 39,
  FUSE_POLL = 40,
  FUSE_NOTIFY_REPLY = 41,
  FUSE_BATCH_FORGET = 42,
  FUSE_FALLOCATE = 43,
  FUSE_READDIRPLUS = 44,
  FUSE_RENAME2 = 45,
  FUSE_LSEEK = 46,
  FUSE_COPY_FILE_RANGE = 47,
  FUSE_SETUPMAPPING = 48,
  FUSE_REMOVEMAPPING = 49,
  FUSE_SYNCFS = 50,
  FUSE_TMPFILE = 51,
  FUSE_STATX = 52,
  CUSE_INIT = 4096,
  CUSE_INIT_BSWAP_RESERVED = 1048576,
  FUSE_INIT_BSWAP_RESERVED = 436207616,
};
struct fuse_in_header {
  uint32_t len;
  uint32_t opcode;
  uint64_t unique;
  uint64_t nodeid;
  uint32_t uid;
  uint32_t gid;
  uint32_t pid;
  uint32_t padding;
};
struct fuse_out_header {
  uint32_t len;
  uint32_t error;
  uint64_t unique;
};
struct syz_fuse_req_out {
  struct fuse_out_header* init;
  struct fuse_out_header* lseek;
  struct fuse_out_header* bmap;
  struct fuse_out_header* poll;
  struct fuse_out_header* getxattr;
  struct fuse_out_header* lk;
  struct fuse_out_header* statfs;
  struct fuse_out_header* write;
  struct fuse_out_header* read;
  struct fuse_out_header* open;
  struct fuse_out_header* attr;
  struct fuse_out_header* entry;
  struct fuse_out_header* dirent;
  struct fuse_out_header* direntplus;
  struct fuse_out_header* create_open;
  struct fuse_out_header* ioctl;
  struct fuse_out_header* statx;
};
static int fuse_send_response(int fd, const struct fuse_in_header* in_hdr,
                              struct fuse_out_header* out_hdr)
{
  if (!out_hdr) {
    return -1;
  }
  out_hdr->unique = in_hdr->unique;
  if (write(fd, out_hdr, out_hdr->len) == -1) {
    return -1;
  }
  return 0;
}
static volatile long syz_fuse_handle_req(volatile long a0, volatile long a1,
                                         volatile long a2, volatile long a3)
{
  struct syz_fuse_req_out* req_out = (struct syz_fuse_req_out*)a3;
  struct fuse_out_header* out_hdr = NULL;
  char* buf = (char*)a1;
  int buf_len = (int)a2;
  int fd = (int)a0;
  if (!req_out) {
    return -1;
  }
  if (buf_len < FUSE_MIN_READ_BUFFER) {
    return -1;
  }
  int ret = read(fd, buf, buf_len);
  if (ret == -1) {
    return -1;
  }
  if ((size_t)ret < sizeof(struct fuse_in_header)) {
    return -1;
  }
  const struct fuse_in_header* in_hdr = (const struct fuse_in_header*)buf;
  if (in_hdr->len > (uint32_t)ret) {
    return -1;
  }
  switch (in_hdr->opcode) {
  case FUSE_GETATTR:
  case FUSE_SETATTR:
    out_hdr = req_out->attr;
    break;
  case FUSE_LOOKUP:
  case FUSE_SYMLINK:
  case FUSE_LINK:
  case FUSE_MKNOD:
  case FUSE_MKDIR:
    out_hdr = req_out->entry;
    break;
  case FUSE_OPEN:
  case FUSE_OPENDIR:
    out_hdr = req_out->open;
    break;
  case FUSE_STATFS:
    out_hdr = req_out->statfs;
    break;
  case FUSE_RMDIR:
  case FUSE_RENAME:
  case FUSE_RENAME2:
  case FUSE_FALLOCATE:
  case FUSE_SETXATTR:
  case FUSE_REMOVEXATTR:
  case FUSE_FSYNCDIR:
  case FUSE_FSYNC:
  case FUSE_SETLKW:
  case FUSE_SETLK:
  case FUSE_ACCESS:
  case FUSE_FLUSH:
  case FUSE_RELEASE:
  case FUSE_RELEASEDIR:
  case FUSE_UNLINK:
  case FUSE_DESTROY:
    out_hdr = req_out->init;
    if (!out_hdr) {
      return -1;
    }
    out_hdr->len = sizeof(struct fuse_out_header);
    break;
  case FUSE_READ:
    out_hdr = req_out->read;
    break;
  case FUSE_READDIR:
    out_hdr = req_out->dirent;
    break;
  case FUSE_READDIRPLUS:
    out_hdr = req_out->direntplus;
    break;
  case FUSE_INIT:
    out_hdr = req_out->init;
    break;
  case FUSE_LSEEK:
    out_hdr = req_out->lseek;
    break;
  case FUSE_GETLK:
    out_hdr = req_out->lk;
    break;
  case FUSE_BMAP:
    out_hdr = req_out->bmap;
    break;
  case FUSE_POLL:
    out_hdr = req_out->poll;
    break;
  case FUSE_GETXATTR:
  case FUSE_LISTXATTR:
    out_hdr = req_out->getxattr;
    break;
  case FUSE_WRITE:
  case FUSE_COPY_FILE_RANGE:
    out_hdr = req_out->write;
    break;
  case FUSE_FORGET:
  case FUSE_BATCH_FORGET:
    return 0;
  case FUSE_CREATE:
    out_hdr = req_out->create_open;
    break;
  case FUSE_IOCTL:
    out_hdr = req_out->ioctl;
    break;
  case FUSE_STATX:
    out_hdr = req_out->statx;
    break;
  default:
    return -1;
  }
  return fuse_send_response(fd, in_hdr, out_hdr);
}

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)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  int i, call, thread;
  for (call = 0; call < 8; 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, 50);
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
  close_fds();
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

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

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    NONFAILING(memcpy((void*)0x200000002040, "./file0\000", 8));
    syscall(__NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x200000002040ul,
            /*mode=*/0ul);
    break;
  case 1:
    NONFAILING(memcpy((void*)0x200000000300, "/dev/fuse\000", 10));
    res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul,
                  /*file=*/0x200000000300ul, /*flags=*/2, /*mode=*/0);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    NONFAILING(memcpy((void*)0x2000000020c0, "./file0\000", 8));
    NONFAILING(memcpy((void*)0x200000002100, "fuse\000", 5));
    NONFAILING(memcpy((void*)0x2000000003c0, "fd=", 3));
    NONFAILING(sprintf((char*)0x2000000003c3, "0x%016llx", (long long)r[0]));
    NONFAILING(memcpy((void*)0x2000000003d5,
                      ",rootmode=00000000000000000040000,user_id=", 42));
    NONFAILING(sprintf((char*)0x2000000003ff, "%020llu", (long long)0));
    NONFAILING(memcpy((void*)0x200000000413, ",group_id=", 10));
    NONFAILING(sprintf((char*)0x20000000041d, "%020llu", (long long)0));
    syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x2000000020c0ul,
            /*type=*/0x200000002100ul, /*flags=*/0ul,
            /*opts=*/0x2000000003c0ul);
    break;
  case 3:
    res = syscall(__NR_read, /*fd=*/r[0], /*buf=*/0x200000002140ul,
                  /*len=*/0x2020ul);
    if (res != -1)
      NONFAILING(r[1] = *(uint64_t*)0x200000002148);
    break;
  case 4:
    NONFAILING(memcpy(
        (void*)0x200000004180,
        "\x92\x75\x6f\x43\xb3\x1f\xfe\x54\x27\x88\xef\x58\x6b\x7c\x5a\x34\x44"
        "\x24\xe3\xac\xac\x25\x90\xbe\x6b\xbe\x37\xad\xfa\xce\x4a\x8f\x2e\x53"
        "\x4f\xfe\x76\xa8\x3a\x93\xf0\xb3\x68\x0a\x72\xfd\xdf\xde\x83\xf9\x6d"
        "\x01\x98\x23\x84\xe8\xd6\x89\x21\x9c\xb9\x66\x9b\x14\xdb\xaa\x1b\x79"
        "\x9f\x82\xea\x1f\xc9\x26\x12\x6a\x41\x63\x61\x8e\x16\xd4\xf9\x41\x43"
        "\xa4\xe0\xf2\x7c\x44\xfc\xef\x39\x20\xa0\xb3\x80\x5e\xd4\xe7\x80\x98"
        "\xd8\x68\x9c\xc7\x79\x1b\xd8\x66\x48\x07\x07\x18\xd2\x38\x66\x43\x32"
        "\x94\x8d\x87\x86\x6c\x8d\x25\x90\xfc\x0f\x01\x7f\x98\x53\xab\xd9\xed"
        "\x60\xb9\x9f\x1a\xa6\xae\x2d\xbd\x24\xab\x6d\xbc\xeb\xdb\x05\x52\x46"
        "\x81\x5a\xce\x14\x7c\xc5\x0f\xa3\xb2\x86\x11\x48\xfc\xda\x37\x4d\x5b"
        "\x20\x3e\x51\xd7\x2c\x45\xe4\xdd\xe3\xe9\xee\x9a\x47\xff\xe4\x58\xba"
        "\xf7\xbb\x49\x03\x51\x35\xa8\x19\x4a\xa1\xf0\xa8\x3f\xa2\xab\xed\x56"
        "\x39\x8f\x90\xda\xff\x67\x96\x34\x61\x94\x53\xf5\x33\xf2\x25\x83\xa6"
        "\xe0\xa4\xdc\x09\xe9\xde\x46\x68\x4d\x5e\x01\x36\xe2\x29\x51\x0f\x37"
        "\x02\xcf\x3a\x4c\xd0\x06\x5d\x3e\x5d\x3c\x41\x9e\x38\xa8\x0b\x07\x0c"
        "\xa5\x50\x10\xe0\x82\xa9\xc5\x10\xfd\x18\xcc\x0b\x26\xbb\x5e\x8e\x45"
        "\x9e\x74\x7b\xef\xbc\x5c\x6b\x60\xac\xe8\x0b\xf4\x14\x17\xb7\xb7\x8c"
        "\xf5\x7e\x5b\x39\x84\xf0\xcd\xdd\xc6\x15\xc5\xe0\x00\x04\x54\xd3\xf4"
        "\xa1\x96\xfb\x6d\x18\xaa\x62\x9c\xf0\xb0\x24\x5f\x95\xba\x95\x8d\x86"
        "\xdc\x17\x56\x16\xf8\xcd\x3a\xc4\x73\x05\x7d\xc3\xa5\xff\x71\x07\x97"
        "\x33\x26\x35\x01\x07\xf4\x46\x8e\x7e\xcd\x48\xd6\x89\xb8\x2c\x12\xd2"
        "\x2a\xe5\xf1\x85\x83\x02\xa1\xb4\xcf\xde\x8f\xd3\x47\xa9\x9d\xdc\xde"
        "\x40\xd1\xc4\x9d\x9b\x50\x99\xfb\xcc\xf0\x9e\x78\x22\x12\xbe\x4b\x2c"
        "\xe3\x6a\x2b\xc3\xc9\xee\x79\x4a\xbf\xfe\x72\xa5\x50\x1e\x6c\x4f\x3f"
        "\x7f\x68\xb7\x47\x61\xff\xd6\x62\x06\x09\x22\x4a\x3b\xf1\x1f\x65\x5d"
        "\xad\xb5\xc8\xa5\x81\x3b\x02\xfb\x46\x83\x0e\x9a\xc6\x82\x5f\x5d\x0e"
        "\x89\x91\x03\x52\xeb\x3a\x58\xc0\xdd\x82\xd0\x94\xf9\x4d\xd2\xc8\x56"
        "\x66\xf6\x84\xa8\xf4\x37\xbb\xd0\xe6\x6b\x9f\x4d\x36\x61\x17\xb6\x7a"
        "\x05\x4d\x21\x2c\x4f\xbc\x28\x78\x48\xcb\x05\x78\x39\x13\x35\xd5\xd6"
        "\x16\xb1\x4d\x99\xa2\xe3\xdf\x8e\x8a\x15\x2d\x5d\xe9\x9b\xce\xfc\xaa"
        "\xb5\xbb\x5c\xc7\x1f\x3d\xdd\x66\xb3\x79\xc1\x04\x64\x8e\x19\x0e\x0b"
        "\x28\xa1\x80\xd3\xae\xcc\x54\x23\x57\x5d\x4b\xa7\xdb\xf3\x12\x15\xc7"
        "\x17\xda\x7b\x87\xdd\x45\x4b\x6e\xfc\xd3\x6c\x91\xaa\xa6\x31\x12\x7f"
        "\x5b\xd8\x87\x23\xd2\x21\x75\x2f\x10\x2b\xc0\xc7\xac\x6c\x5c\x7a\x1a"
        "\xd6\x74\x7a\xf4\x0d\x01\xb6\xd3\x9e\xab\x7b\x0e\x12\x92\xb4\x46\x83"
        "\xc5\x86\x38\x6a\xd0\x0a\xcf\x60\xfb\x8f\x9b\xac\x55\x1a\x6e\xb5\xba"
        "\xb7\x31\x7b\x5d\x89\xf6\x4d\xb1\x0b\xd9\x01\x8d\xfa\x6d\x65\xd9\x38"
        "\x62\xe8\x51\xaf\xbc\x30\xfd\x70\xfe\x5f\x0d\xe3\x22\x46\x20\x45\x17"
        "\x72\x31\x85\x2c\xa8\x0e\x4e\x78\xda\x4f\xea\x0c\x79\xba\x35\x43\x33"
        "\x02\x6c\x8b\xc7\x7d\x30\x8a\x8d\x25\x6a\x19\xec\x45\xd2\x08\x8c\x19"
        "\x66\x91\xd3\xf9\xaa\xc2\x8d\xed\x36\x00\x4a\x65\xee\x1c\xe4\x9b\xa9"
        "\x59\x9c\xee\xe8\x45\x34\xbb\x61\xd0\x2d\x04\xa6\x73\x2f\x1e\x27\xd7"
        "\x29\x62\xf7\x4b\x59\xf3\x52\x2b\xf8\x44\xc5\x02\x29\x86\xd5\x59\x34"
        "\xe4\x8b\x86\x81\xb7\xf5\xb7\x53\x23\x91\x44\x8c\xae\xef\x00\x31\x5d"
        "\x28\x32\x0a\x46\xd8\xbd\x78\x13\x54\x4e\x1e\x4b\xf9\x94\xe1\x4a\x51"
        "\x9c\x26\x54\xff\x20\xb4\x2b\xdb\x69\xc2\x62\x89\x7e\x28\xec\xa5\x28"
        "\xf0\x99\x98\x40\xb0\x0e\xd8\x25\x65\x97\xd2\x7c\xfc\x20\xd7\x1d\x5f"
        "\x40\xd0\xbb\xca\x75\x9f\x75\x94\xc6\x03\x4a\xa1\xe1\x6a\x84\xed\x15"
        "\x2f\xad\x0f\xdc\x1c\x30\x3a\x7f\x61\x22\x57\x12\x71\x4f\x82\x3a\xfc"
        "\x5e\xa2\x41\xd4\x82\xd3\x58\x57\x59\x62\x3a\xf8\xc9\x7c\xa6\xa8\x4a"
        "\x20\x33\xb3\xd7\x31\x4e\xa0\xef\x7b\xa9\xb2\x88\xb3\x62\xa2\x94\xc9"
        "\x2c\x8b\x97\x36\x82\x9c\x16\xf6\x1c\x5a\x1e\xe0\x4a\xca\x96\x5d\x71"
        "\x16\x22\x92\x27\x45\x95\xea\x62\xc9\xc2\x91\x8e\x82\x79\xc9\x9f\x5d"
        "\x28\x30\xc6\x17\xc5\x82\x11\xfd\x74\x52\x33\x01\x84\xb9\x42\x8d\x5e"
        "\xc1\xd5\xcd\x75\xdd\xcc\x6d\xe3\x32\x6f\xdc\x70\xe8\x91\x10\x4b\x3b"
        "\x01\x3c\x30\xff\xcc\xfa\xf3\x30\x8d\x96\x71\xb0\x1f\x6b\x08\x0a\x93"
        "\x0d\xac\x20\x52\xc6\xf3\x98\x17\xa6\x62\x12\x1d\x90\xd4\x0d\x6a\x1f"
        "\xac\xfb\x50\xbe\xc7\xd4\x08\x03\x0b\x6d\x0a\xe3\xe7\x44\xf3\xbc\xc3"
        "\x27\xc3\x5d\xc4\x3c\xf8\x6b\x74\x3d\xb7\x8f\xf2\xe5\x93\xb1\x99\x23"
        "\x23\x5e\xd6\x46\x7f\x29\x9b\x08\x71\x8f\xe1\x84\x0c\x16\xa7\x48\x93"
        "\x5d\xff\x94\x11\x50\xfb\x08\xb3\x05\x73\xb3\x7b\xf9\xaf\x5c\x86\xcc"
        "\x8d\x9e\x22\x9a\x83\x2e\x4e\xf2\x5e\xc9\x1f\x71\x12\x0f\x2b\x3e\x90"
        "\x62\x48\x59\x76\xc2\x80\xa2\xd1\x72\x38\x60\x29\xe2\xf2\xa4\x80\x11"
        "\x97\xfc\xa0\xa1\x35\x14\xed\xac\xf5\xdd\xba\xc5\xa6\x2e\x8b\xb1\x3d"
        "\xd1\x57\x26\x57\xa8\x21\xa8\x73\x92\x97\xf7\x2e\x29\x23\x9d\x1c\xdd"
        "\xdf\x3e\x30\xcb\xe9\xaf\x31\x41\xf2\x27\x5e\xe4\xae\x85\xd8\x6e\xc8"
        "\x88\xfe\x9a\x67\x51\xf2\x52\x05\x7e\x95\xb8\xbe\xb0\x55\xe2\x76\x43"
        "\x95\x81\xaf\xee\x93\xcd\x44\xf1\xe9\x2f\x70\xe5\xf7\x25\x45\x1d\x3a"
        "\xb6\x62\x91\x8f\xfb\xb1\x26\x95\x09\xfb\xd5\x11\xe9\x5a\x00\xec\x71"
        "\x7f\x9d\x60\xd6\x43\x86\x4a\xbd\x6a\xd1\xcc\x4d\xd7\xf9\x33\x37\x9a"
        "\x60\x78\xa8\x6c\x21\x58\xdb\x80\x76\xe7\xb6\x60\x36\x6f\xca\x7b\x1c"
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        "\xbd\xe6\xfa\xce\x5b\xfd\xb6\x16\xfc\xef\xa9\xc6\xb0\x1f\x69\x63\xda"
        "\xa8\x40\xa3\x1f\xf5\x54\xa4\x58\xc0\xc5\x0c\xb5\xe0\x9f\x91\xf5\x4f"
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        "\x5c\xa2\x6a\x53\x02\x61\xc4\x91\xef\x8e\xb9\xa8\x55\xa1\xd7\x46\x33"
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        "\x80\xca\x8a\x2a\x3c\x6d\xe7\x90\x12\xf5\x72\x7b\xa1\x20\x25\xe7\xe6"
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        "\x5a\xf5\xa9\xa3\x0a\xce\x9c\x93\x3a\x69\x42\xf3\x41\xad\x22\x1d\xd8"
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        "\xce\x72\x81\x4a\x97\xe3\x3b\xd2\x9f\x3d\x9e\xc8\x0a\x4f\x45\xd1\xd2"
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        "\xfc\x5b\x50\x1c\x96\x41\x03\x39\x7f\x5d\xda\xdc\x2d\x59\xa0\x48\x34"
        "\x8d\xd4\x2f\x07\xcf\xe3\x1b\xc9\xb5\xae\x45\x3f\x50\x86\xbb\x41\xbb"
        "\xa4\xc8\xa3\xe5\x18\xe3\x0b\x08\x55\x18\x4b\x05\x3f\x92\x30\x25\xdd"
        "\x72\xce\x1b\xcb\xf4\x12\x31\x97\x8b\x34\xa8\x54\x7c\x71\xd7\x31\x39"
        "\x92\x16\x50\x78\x90\x3c\x61\xd3\x12\xb0\xd9\x46\x94\x13\xc9\xfd\x97"
        "\xcc\xdf\x0e\xa2\x70\xfb\x6c\x47\xec\x88\x61\xa1\xc8\xd9\x09\xee\xac"
        "\xe7\x61\xb5\xa0\x6b\xa4\x6e\x25\x78\x5f\xf8\x7f\x86\x77\x77\xab\xb2"
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        "\x9c\xf3\xc3\xc7\x9d\x0e\x69\x1c\xf4\xfb\xc0\xb2\x25\x1a\x01\x6d\xcd"
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        "\xb1\xe4\x37\x32\x03\x5d\xda\x57\x7e\x75\xf6\x40\x77\x7f\x6a\xe9\x0f"
        "\xd2\xf1\xaf\x42\xba\x46\x2d\xac\x73\x20\x19\xc5\x99\xbf\xef\x01\xac"
        "\xd6\xa0\xd4\xd1\x79\x6b\xcb\x8f\x58\x51\x9d\x6f\x9a\xd9\xa3\x20\x67"
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        "\x9b\x57\xa7\x40\x07\x4a\xe5\xb7\x75\xea\xf6\x0c\xd8\x5d\xc9\x34\xe6"
        "\x04\xbf\x2b\x4b\xd5\x8e\xe0\x12\x05\xb4\xdf\x57\xac\x20\xff\x8d\xb4"
        "\x5a\x05\x98\x2b\x57\x96\x43\x88\x24\x07\x05\x0c\x00\x51\x02\xa2\xe7"
        "\x1f\x1e\x56\xdc\x76\xdb\xf5\x33\x11\x12\xe8\x3e\x48\xbf\xb5\xcf\x2a"
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        "\x31\xea\xfe\xd1\x41\xcc\x0c\x54\x91\xc4\xf6\x21\xa6\x6b\x6d\x83\x7a"
        "\x14\x4d\x78\x71\x9c\x46\x51\x1c\x04\xa0\x93\xcf\x65\xfc\xe9\xfa\xbe"
        "\x5b\xd6\xd4\x99\xec\xeb\x63\x53\x8e\xce\x3c\xf1\x90\x53\x55\x0a\x23"
        "\x9b\xf9\x78\xc0\x8c\x87\x9f\x99\x54\x48\x5a\x4e\x3e\x0d\x5b\xed\xb8"
        "\x4b\x40\x7c\xed\x85\xc4\xdf\xc4\xd7\x5a\xf1\x16\x81\x59\x92\xc2\x9f"
        "\x0b\xc9\x27\xc4\xa9\x90\xc3\x8a\xe4\xfc\xc9\xfe\xb9\x0f\xec\x1b\x1b"
        "\x55\x5e\x04\xd0\x10\x42\x30\x10\x85\x53\x94\xd5\xcc\xfc\x8e\xd2\x11"
        "\x64\x19\x0c\xd8\xf8\x3b\xe5\xde\xbb\x70\x29\x0c\x35\x47\xf0\x7e\x4d"
        "\xc4\x28\x14\xf1\xe0\x01\x79\x8e\x6c\xee\xe2\x55\x8b\x0c\x6f\xf8\xc1"
        "\x75\x9f\x90\x26\x9e\xe2\x26\x13\x11\x16\x33\x2b\x99\xac\x8d\xd1\x04"
        "\xc9\x20\x88\xe1\xf9\x1a\xce\x31\x98\xc0\xf5\x9b\xfb\x75\xc4\xe4\xa6"
        "\x97\x66\x0e\xed\x43\xa2\x9c\x83\x1a\x55\x2d\xe3\x7f\xce\x6d\xce\x96"
        "\xfa\x51\xb6\xe2\x11\x1f\x30\x71\xa4\xe9\x44\x22\xd1\x5e\x10\x2e\x5f"
        "\x67\xda\x7c\xa6\xca\xe6\xbe\xd7\x74\x3e\xbf\xfa\xcb\x8a\x81\x1a\x14"
        "\x36\x05\x79\x1d\x17\x23\x21\x81\xa5\x17\xe8\x72\xf7\x12\x62\xc3\xc7"
        "\x36\x68\xf0\xef\x83\xaa\xd4\x98\xf6\x7f\xa2\x6b\xae\x69\x8c\xf7\x8f"
        "\x24\xc2\xdb\xec\xd3\x99\xa1\x90\xe6\xb8\xd0\x68\x4e\x92\x9f\x2e\x80"
        "\x83\x76\x5e\xb2\xc6\x77\x93\xa1\xad\xbb\x89\xd3\x6b\x58\xbf\xb1\x97"
        "\xcd\xc5\xf3\xc8\x94\xac\x9d\x88\x6e\x8f\x3b\x09\x36\xfa\xbd\x23\x3c"
        "\x09\xde\x8f\xab\x80\x99\xf7\x2a\x74\xd9\x08\xba\x5c\x5e\x4d\x39\x79"
        "\x0b\x0b\xf9\xe4\x5b\x71\x0f\x55\x87\xb7\xc9\x37\xc7\x66\x90\xc5\xc5"
        "\xfc\xe6\x21\xa5\x3a\x9f\xd0\x3b\x0a\x4e\xe6\xd8\xd1\xab\xbe\x2e\xd5"
        "\x61\x82\x0a\x77\xf1\x2a\x08\xca\xd0\x75\x55\x40\xab\x6d\xd1\x60\x4b"
        "\x7c\x30\xa8\x65\x29\x95\xab\x80\xb8\x5e\x91\x90\x11\xde\x94\x38\xa4"
        "\x63\x7e\xb0\x29\x11\x24\xed\x4b\x74\x5e\x78\x2c\xff\x98\x51\x0c\xb0"
        "\x3b\xe7\x9c\x2a\x81\x35\x1a\xbf\x27\x65\x84\xd7\x5c\xdd\x96\xb9\xc9"
        "\x7e\x73\xeb\x71\x00\x0b\x3a\xb7\xc3\xc1\x9c\x2c\xab\x44\x97\x29\x8f"
        "\xcb\x30\x52\xb5\xd4\x50\x3d\x05\xe7\xf3\x10\x31\x8b\xe6\xf8\x48\x54"
        "\x7b\x1a\x4f\x4d\xb8\x2c\xae\xe1\x90\x80\x14\x78\xbe\x28\x06\x50\x36"
        "\xaa\x4d\x91\xf2\x90\xc1\xf3\x96\x34\x3e\x73\xa5\xfe\x8b\xb5\xcc\xf0"
        "\xa3\x17\x17\x7e\xd1\xf7\x7a\xcd\xa1\xa4\xa4\x9d\xcc\xfc\xab\x8d\x1b"
        "\x5d\x79\xf0\x15\xf7\x88\xb6\xd5\xe9\xf8\x22\x8a\x8b\xcd\xc0\x69\x6e"
        "\x6b\x19\xf5\xed\xff\xbc\xd7\xe9\x50\x9c\x87\xfb\xe1\xf7\x26\xb9\x3b"
        "\xf8\xc6\xd8\xd3\x74\x28\x76\x3e\x14\x25\x60\xc4\x6c\x9e\x89\x4f\x73"
        "\x17\x85\x90\x00\xc2\x5a\xbc\x4f\x36\x91\xeb\xcd\x02\x01\x71\xe0\xd4"
        "\x91\x1b\x5d\x97\xa2\x38\x10\x9a\xed\xeb\x00\xb2\xeb\x47\x5c\x1e\x7b"
        "\x45\x17\x5f\x8a\xa8\x51\x93\xb5\xc0\xf4\x3b\x43\x4c\x15\xde\x01\x61"
        "\x0c\x4d\x02\x26\x46\xcd\x6e\x36\x37\xf3\x49\xa4\x34\xa7\x7f\x57\x1a"
        "\xc1\xc5\xd6\x98\x45\x2d\x1b\x99\x1e\x26\x7f\x78\xdc\xa5\xe5\x92\xec"
        "\xd3\x1c\xca\xfc\xad\x84\xe4\xe9\x8d\x13\x4b\x4a\xdc\x52\x5b\x81\xbd"
        "\x68\x43\x42\x88\x83\x02\x3a\x6e\xa4\x07\x20\x17\x38\xc8\xbf\x16\xb5"
        "\x41\xff\x72\x80\x27\x4a\x34\xd4\xcf\x14\x81\x9f\x2d\xba\xe1\x67\xca"
        "\x0c\xae\x84\x71\xc4\x95\xe0\x06\xb4\x51\x94\xad\x91\xc4\x51\x6f\x21"
        "\xcb\xb1\x0e\x0d\x26\xfd\x5d\x73\x4c\xd7\x72\x5d\xf5\xb3\xfb\xe9\x29"
        "\x55\xf4\xa9\xbb\x3b\x9b\x81\x3a\xee\xff\x79\xd6\xed\x5d\xb9\x2d\xef"
        "\x19\xd0\x60\xa2\x08\xc3\xec\x8c\x42\xc1\x10\x78\x6f\x1e\x14\x96\xc5"
        "\x0a\x72\x49\xb0\x3f\xc7\x92\x76\x43\x66\x89\x4a\x35\x32\x0b\x99\xd0"
        "\xbe\xf9\xfd\x0b\x6a\x24\x6c\x36\xa3\x57\xc6\xb9\x85\xdc\x83\xa3\x7a"
        "\x8d\x9b\x8b\x9a\xd6\x43\xde\xa9\x48\x60\xcb\xe7\x63\xbb\x73\xcc\x84"
        "\x22\xb6\x9d\x4d\x12\x33\x22\x42\xc8\x95\x40\x75\xfb\x71\x17\xa6\x67"
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        "\x7f\x66\xb3\x53\x16\x45\xa3\xbf\x04\x7a\xe2\x90\xd6\xae\x22\x49\xf1"
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        "\x1e\xbe\x62\x41\x72\xc3\x22\x14\x6d\x66\xeb\x2b\x24\x7f\x8e\xcb\x3e"
        "\x1b\x5d\xdc\xa8\x9b\x28\x7c\x57\x51\x0c\xec\x40\xfc\xf8\x9d\x80\x2c"
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        "\x64\x02\x3e\xc0\x64\x10\xe7\xb4\x47\x6e\xc4\xe3\x68\x5b\xfa\x3b\xfe"
        "\x9e\xf9\xec\xc1\x2d\xcd\x89\x9a\xbe\x0f\x3c\x7f\x16\xb4\x68\x68\x01"
        "\xc0\xc0\xa9\x49\xaa\x26\xbe\xd5\x7d\xf5\x6f\x2b\xc5\x4e\xf1\x9a\xf7"
        "\xfc\xbc\x7b\x0d\x69\x10\x75\xf4\x2a\x4a\x67\xac\xf9\x80\xb5\x68\xac"
        "\xb2\x34\x2f\x42\x24\x9f\x7c\x1e\xe3\x52\x7c\x13\x18\x2b\x09\x60\x64"
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        "\xde\x10\x35\x61\x25\xfa\x47\xd0\xa2\x08\x27\x37\x0c\xbf\x36\xa7\x9b"
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        "\xca\xf6\xb4\x70\x1a\x7d\xae\x9c\xfa\xd3\xd7\x29\x01\x04\xbb\xba\x15"
        "\xb6\xa0\x64\xae\x6e\x90\x9a\x09\x9f\x75\xfb\xe4\x7c\x9e\x65\x4d\x8e"
        "\x3b\x8d\xc0\xf3\xdb\xff\xe8\x29\xe6\xc5\x6f\x7a\x24\x1e\x56\x51\x36"
        "\x81\x2a\x85\x7f\x59\xab\x56\x5a\x99\x91\xc6\xb1\xd8\xab\xcc\x94\xc6"
        "\xb3\x3b\xba\x31\x4f\x6e\x50\x60\xe6\x57\xe4\x64\x7f\x96\x9a\x55\x1d"
        "\xd6\xc5\x1d\xfc\xa0\xff\x5d\x9e\x4f\x40\x1f\xed\xbc\x2c\x92\x7e\xb1"
        "\xed\x95\xef\x25\xf4\xe5\xac\xcb\xa4\x99\x93\x22\xba\x15\x39\x49\x93"
        "\x10\xdd\x58\x75\x43\x3a\x22\x83\x5c\xfd\x42\xfd\x77\xfd\x46\x80\xb7"
        "\xfe\x76\x7d\x7a\xa5\xc3\x3a\xcd\xe0\x4a\x65\xbd\x3a\x66\x3f\xcd\xe4"
        "\xc8\x0e\x9f\x2a\xf4\x98\xf1\x3b\xf9\xab\xba\xa1\xc1\x26\x5e\xdc\x69"
        "\x1e\x94\xab\xdc\xc9\x22\x70\xc0\x58\x11\xcd\x2a\x81\x04\xeb\x18\xef"
        "\xbf\xec\x9e\x4b\xa9\xae\x5c\xde\x21\x1b\x9b\x93\x08\x2c\xe0\x34\xb6"
        "\xcd\x5f\xbe\x9c\xfb\xac\x4f\x7e\x24\x04\xef\x15\x97\x66\x12\x4f\x73"
        "\x01\x7c\xc3\x60\x0f\x3c\x81\xcd\x78\xdb\x25\xfc\x34\x59\x62\x9e\xaf"
        "\x20\xdf\xdb\x06\x2c\x7e\x50\x2a\xa6\x94\x12\x38\x1d\x84\x7a\x9d\x25"
        "\x4d\x5b\xef\xc4\x51\xcd\xa3\x60\x6f\x0b\xc8\xae\x62\xe0\xae\xe9\x28"
        "\xf9\xed\x0b\x21\xd7\x05\xa8\xd3\x1b\x89\x9e\x16\x44\x5e\xe0\x64\x56"
        "\x3d\x32\xf7\xb6\xbb\x5a\xd1\x97\x02\x3c\xf5\x28\xd9\xb3\x29\xec\x67"
        "\x81\x5c\x6d\xdf\x27\xd2\xa6\xff\xa7\x32\x8b\xb9\x93\x40\x7c\xde\x3d"
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        "\xd6\x9b\xef\x01\x9f\x13\x51\xb9\xbc\xe1\x93\xe3\x02\x78\x83\x5b\x82"
        "\xea\x5f\x60\xdc\x0b\xdd\x7f\x74\x52\xb7\xa8\x20\xae\x7c\xd6\xdc\x29"
        "\xd7\xac\x6a\x6c\x1b\x64\x11\x71\x1a\x96\x33\x8b\x1e\x76\x91\x46\xb2"
        "\xa3\x85\xd2\x82\xbf\xaa\xe6\x1b\x04\x11\x66\xef\xaf\xab\x2d\x89\xa4"
        "\x56\x7b\x94\x60\xcc\x22\xd7\x52\xf8\xe9\xaa\xca\xaa\x0d\xb7\xc8\x48"
        "\x79\xf5\x35\x96\x62\xd5\x5d\xf6\x57\x0d\x42\x14\x74\x08\x51\xc7\x45"
        "\x74\xce\xd7\x33\x80\x7c\xbb\x54\x57\x11\x10\x41\x08\x92\x39\x4c\x3d"
        "\xea\x07\xbd\x41\x54\xd0\xe5\x68\x9d\x57\xc3\x36\x02\x07\xda\xc9\x51"
        "\xf9\x6a\x35\x8e\x9c\x46\x6a\x5c\x51\x13\xf3\xa6\x32\xe1\x84\xf5\x7f"
        "\x07\x5e\xde\xf4\xdc\xc9\x72\x1b\x96\x3b\xeb\x95\xdf\x09\xde\xdf\x84"
        "\x82\x60\xcb\xc1\xeb\xfd\xc7\x40\x82\x18\xea\xba\x6d\x2c\x51\x92\x8c"
        "\xd3\x7c\x4c\x0c\x9f\x32\x1f\xbb\x09\x94\xa5\x69\x47\xcf\xd9\x64\x30"
        "\x56\xdb\x5d\xbe\xa6\x0a\x24\x1f\x8f\x00\x4c\x93\x2b\xc8\xe6\x45\xb2"
        "\xec\x2e\xb9\xbc\x4e\x9e\x2f\x41\x56\x29\x32\x34\xd0\x5e\x70\xcb\x26"
        "\xb8\xa3\x70\xb0\x20\x6c\x75\x6b\xda\x6d\xef\xc1\x1c\x5e\xb3\x86\x64"
        "\x0f\x53\x5a\x4f\xfb\x71\x41\x68\xde\xfc\x6d\x82\xf4\x0d\x8f\x5b\xa8"
        "\x76\x85\x37\xea\xd5\x77\x3c\x53\xbd\x77\x9c\xa8\x99\xa2\xdd\x31\xc9"
        "\x13\x85\x69\xff\x51\x07\xc2\xfb\x12\xb8\x04\x37\x5c\x3b\x3d\xc9\xb8"
        "\x28\xbf\xd5\x50\x32\x8a\xdf\x35\x8f\x71\xe8\x6a\x0c\x49\xfb\x11\x9f"
        "\x5e\xf9\xe0\x6c\x13\x85\x5c\xbf\xc7\xd1\xa6\x2c\xa2\xea\x65\x5e\xd9"
        "\x12\xa6\xdc\x7b\xb8\xb1\x86\x56\xe8\x92\x3f\xc7\xa1\x70\x2a\xb3\x69"
        "\x47\xd7\x93\x84\xd6\x81\xc3\x19\x23\xe9\x8c\xf4\x02\x09\xf7\x76\xbc"
        "\x2b\x21\x9a\x7c\xcd\x13\x9e\x75\x6a\x90\x5a\xa3\x51\xe6\xea\xae\x90"
        "\x77\x0c\x8a\x19\x3f\x96\xcd\x5c\x66\xe4\xd7\x7a\x35\x79\x85\x55\x6e"
        "\x14\x33\x37\x16\xd8\x02\x04\xa5\xc3\x90\xe0\xd7\x6f\x40\x81\xaf\xe9"
        "\x17\xf9\x9a\xd8\xa0\x97\x6b\x33\x42\xf5\x18\x54\xb3\x74\xb4\xba\xa9"
        "\xa7\xf2\x21\x24\xd2\xb8\x27\x49\x44\x6e\x30\xd9\x79\x5a\xcb\x9c\x3c"
        "\x3a\x30\x5a\x6d\x27\x3a\xc5\x28\xe8\xe9\xc9\x5c\x37\xa7\x8e\x76\x5f"
        "\xdd\xa5\x59\x82\xc2\x96\x1f\xbc\x85\xa1\x4f\xc0\x95\xa7\x8b\x46\x54"
        "\xee\x6d\xfc\x32\x98\x74\x9a\x63\x9a\xb9\xc8\xe1\x55\xaf\x3a\x77\xf8"
        "\xa4\x09\xce\x17\x45\x32\xa4\x92\xef\x55\x0a\x14\x0f\x77\x4d\x77\xd7"
        "\x32\xb3\xb4\xca\x5b\xc4\x1f\xa4\x48\x8c\xe5\x95\x7c\xe2\x19\xb0\x32"
        "\xae\x1f\x58\x52\x73\x74\x8d\x81\xb1\x9e\xdc\xf3\xe6\xcb\x9a\x93\xec"
        "\x24\xe4\x1c\x6b\x3c\x47\x2f\x9b\xaf\x3c\xa4\x6c\xb8\xb9\xa9\x1d\xf1"
        "\x8a\xce\xbe\x7d\x83\xbd\x44\x73\x75\x0c\x4f\x26\x80\x6d\xa2\xf9\x5b"
        "\x9e\xa4\x8b\x34\x24\x60\xaf\x72\x9a\xb1\x5e\x9f\x03\x3e\xda\x67\xfe"
        "\xec\x64\x5f\x98\x5d\x4b\x94\x89\xcf\x6c\xee\xc1\xb1\x00\xd0\x07\xbf"
        "\x46\xc7\x4b\xe5\x3c\x7e\xa1\x72\x96\xf9\xc5\xb5\xcb\xae\x73\x64\x91"
        "\x21\x3c\x93\xb5\x13\x00\x9e\xbd\xec\xfc\xd6\x0d\x46\xd7\xb8\x6c\x6e"
        "\x3b\x5e\x28\x8f\x2b\xa5\x86\x7c\x07\x93\x6e\x7b\xd1\xb0\x0d\xe5\x21"
        "\x91\xeb\x86\x30\xff\x82\xcc\xaf\xb2\x7a\x59\x29\x51\x64\x75\x18\x11"
        "\xbf\x74\xef\xf1\xe5\xe2\xab\xdf\x3c\x93\xbc\x5d\xc9\x81\x4b\xe8\x3b"
        "\x25\x62\x47\x79\x35\xe2\xfa\x30\xdb\x7e\xbb\x6e\xc3\x80\x17\x0c\xf1"
        "\x0c\x1f\x98\xf8\xc5\xeb\x71\xc7\x30\xc2\xb3\x1b\x55\xa1\xdd\x1c\x12"
        "\xa6\x48\x02\xab\x95\xb6\x3c\x52\x9e\x0a\x96\xce\xc8\xf3\x86\x80\x22"
        "\x1d\x60\x89\x92\x6d\x83\x09\x79\x6c\x79\x99\x4d\x63\xb6\x7b\xfb\x62"
        "\xf6\x6b\x4a\x50\x2f\x30\xed\x12\xbe\x41\xe8\x96\xe8\x8b\xc4\x5a\x16"
        "\x0a\x52\x6f\xbd\x5f\x00\x2e\x67\x73\x22\xf1\x16\xec\x57\x40\xd7\x56"
        "\x3c\xd2\x3e\xe8\x53\xc0\x08\xb8\x49\x98\xe3\x8f\xdf\x15\x85\x56\xe2"
        "\x8a\x53\x25\x73\x95\x6e\x7c\x00\xf9\x1f\x08\xca\x24\x5c\x29\x5a\x3d"
        "\x5e\x00\x3a\x99\xea\x72\x7f\x61\xd1\x28\x93\xb4\x35\xd4\xc8\xf2\xf5"
        "\xcc\xe0\x0c\x6a\x30\x91\xe2\xa4\x7f\x29\x0c\x07\x16\x89\x75\xc5\x3d"
        "\x75\x29\xb7\x1d\x10\xfa\xf4\x2d\x2b\xac\x9d\xb8\xd5\x36\x69\xcf\x59"
        "\xc7\x09\xc2\x5e\x9e\x40\xb5\xfe\xae\xd4\xc3\x7d\xde\x8b\x84\xc4\x96"
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        "\xbb\x2a\x86\xfd\x87\xf0\x70\xea\x21\x71\x82\x81\xee\x7a\xec\x4b\xb3"
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        "\x87\xfe\xcb\x3a\x85\xba\x43\x5e\x0b\x41\xb2\x0b\xa1\x16\x4b\x9c\x9f"
        "\x2c\x49\xfa\x0f\x7b\x17\xa8\x9e\x0e\xc4\x7e\xef\xe9\x92\xd6\x3e\xe2"
        "\x9c\x8c\x0a\x1e\xce\x26\x64\xfe\xe8\xed\xad\xd4\x36\x36\xa5\x4c\x48"
        "\x51\x9b\x4f\xcf\x55\xb0\xd9\x10\x36\x02\xb9\x24\x41\xa5\xf8\x5c\xf8"
        "\xc5\xe4\x06\xd0\xf5\x81\x5f\x8f\x37\x30\x99\x34\xbd\x78\xfb\xc2\xac"
        "\xf0\xa0\x3b\x05\x1b\x45\x28\xdb\x4f\x7c\x09\xde\x7d\x0a\xab\xaf\xca"
        "\x37\x36\xb8\x25\x9c\x81\x8c\xa3\x38\xca\x67\x54\xe0\x74\x77\x17\xc2"
        "\x79\x4d\x66\x4a\x1c\xac\xc1\xe9\xc5\x27\x64\xa3\x08\xe6\xdf\x73\xd9"
        "\x75\x63\x86\x30\xb7\x4c\xce\x6c\x49\xb1\xba\xc1\x64\x54\xe9\x68\x52"
        "\xc4\xf9\xd8\xed\x11\x8e\x86\xd2\xf1\xc8\xdc\x33\xbc\xcd\x4a\x07\xbe"
        "\x12\x8d\xb5\xe8\x0f\x56\x84\xdd\xcc\x11\x58\xe7\x44\x41\x1a\xcd\xe5"
        "\x90\xf9\x02\xf0\x98\x7c\xfb\x75\x0b\xb5\xbf\xee\xd5\x3b\xff\x07\x68"
        "\x68\x98\x6b\x56\x6d\x77\x01\xf4\x8d\xdf\xca\xcb\xd3\x25\xc8\xd9\x30"
        "\xbc\xef\x26\x71\x3b\xf6\x05\x85\xd5\xc9\x91\xe2\xa6\xcc\x33\xcc\xbc"
        "\x27\xf7\xdd\xfb\xa1\x8f\x99\x84\x97\xc2\xeb\x37\x8c\xc8\xf2\xcc\x07"
        "\xa1\xb4\xf1\x41\xc5\xe0\xfb\x6f\x52\xe1\x82\x42\xe5\x05\xbc\xf6\xdd"
        "\x20\xe3\x3a\x46\x9d\x05\x6a\x0b\x4f\xd5\xe7\x2d\x0d\xa9\xd0\xbc\xce"
        "\x1e\x2f\x9e\x9d\xc7\xd1\xc7\xb6\xcb\x0f\x36\x04\x28\x7e\xca",
        8192));
    NONFAILING(*(uint64_t*)0x2000000000c0 = 0);
    NONFAILING(*(uint64_t*)0x2000000000c8 = 0);
    NONFAILING(*(uint64_t*)0x2000000000d0 = 0);
    NONFAILING(*(uint64_t*)0x2000000000d8 = 0);
    NONFAILING(*(uint64_t*)0x2000000000e0 = 0);
    NONFAILING(*(uint64_t*)0x2000000000e8 = 0);
    NONFAILING(*(uint64_t*)0x2000000000f0 = 0);
    NONFAILING(*(uint64_t*)0x2000000000f8 = 0);
    NONFAILING(*(uint64_t*)0x200000000100 = 0);
    NONFAILING(*(uint64_t*)0x200000000108 = 0);
    NONFAILING(*(uint64_t*)0x200000000110 = 0);
    NONFAILING(*(uint64_t*)0x200000000118 = 0x200000000200);
    NONFAILING(*(uint32_t*)0x200000000200 = 0x90);
    NONFAILING(*(uint32_t*)0x200000000204 = 0);
    NONFAILING(*(uint64_t*)0x200000000208 = 0);
    NONFAILING(*(uint64_t*)0x200000000210 = -1);
    NONFAILING(*(uint64_t*)0x200000000218 = 2);
    NONFAILING(*(uint64_t*)0x200000000220 = 0xfffffffffffffffe);
    NONFAILING(*(uint64_t*)0x200000000228 = 0);
    NONFAILING(*(uint32_t*)0x200000000230 = 0);
    NONFAILING(*(uint32_t*)0x200000000234 = 0);
    NONFAILING(*(uint64_t*)0x200000000238 = 0x40);
    NONFAILING(*(uint64_t*)0x200000000240 = 3);
    NONFAILING(*(uint64_t*)0x200000000248 = 0);
    NONFAILING(*(uint64_t*)0x200000000250 = 0xffff);
    NONFAILING(*(uint64_t*)0x200000000258 = 0);
    NONFAILING(*(uint64_t*)0x200000000260 = 0);
    NONFAILING(*(uint32_t*)0x200000000268 = 0);
    NONFAILING(*(uint32_t*)0x20000000026c = 0);
    NONFAILING(*(uint32_t*)0x200000000270 = 0x120);
    NONFAILING(*(uint32_t*)0x200000000274 = 0x6000);
    NONFAILING(*(uint32_t*)0x200000000278 = 0);
    NONFAILING(*(uint32_t*)0x20000000027c = 0);
    NONFAILING(*(uint32_t*)0x200000000280 = 0);
    NONFAILING(*(uint32_t*)0x200000000284 = 0x902);
    NONFAILING(*(uint32_t*)0x200000000288 = 0);
    NONFAILING(*(uint32_t*)0x20000000028c = 0);
    NONFAILING(*(uint64_t*)0x200000000120 = 0);
    NONFAILING(*(uint64_t*)0x200000000128 = 0);
    NONFAILING(*(uint64_t*)0x200000000130 = 0);
    NONFAILING(*(uint64_t*)0x200000000138 = 0);
    NONFAILING(*(uint64_t*)0x200000000140 = 0);
    NONFAILING(syz_fuse_handle_req(/*fd=*/r[0], /*buf=*/0x200000004180,
                                   /*len=*/0x2000, /*res=*/0x2000000000c0));
    break;
  case 5:
    NONFAILING(*(uint32_t*)0x200000000440 = 0x50);
    NONFAILING(*(uint32_t*)0x200000000444 = 0);
    NONFAILING(*(uint64_t*)0x200000000448 = r[1]);
    NONFAILING(*(uint32_t*)0x200000000450 = 7);
    NONFAILING(*(uint32_t*)0x200000000454 = 0x29);
    NONFAILING(*(uint32_t*)0x200000000458 = 0);
    NONFAILING(*(uint32_t*)0x20000000045c = 0x14c0348);
    NONFAILING(*(uint16_t*)0x200000000460 = 0);
    NONFAILING(*(uint16_t*)0x200000000462 = 1);
    NONFAILING(*(uint32_t*)0x200000000464 = 0xfffffffe);
    NONFAILING(*(uint32_t*)0x200000000468 = 0);
    NONFAILING(*(uint16_t*)0x20000000046c = 0);
    NONFAILING(*(uint16_t*)0x20000000046e = 0);
    NONFAILING(*(uint32_t*)0x200000000470 = 0);
    NONFAILING(*(uint32_t*)0x200000000474 = 0x7fffffff);
    NONFAILING(memset((void*)0x200000000478, 0, 24));
    syscall(__NR_write, /*fd=*/r[0], /*arg=*/0x200000000440ul, /*len=*/0x50ul);
    break;
  case 6:
    NONFAILING(memcpy((void*)0x200000000a80, "./file0/file0\000", 14));
    res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200000000a80ul,
                  /*flags=*/0, /*mode=S_IXOTH*/ 1);
    if (res != -1)
      r[2] = res;
    break;
  case 7:
    syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0x932, /*arg=*/8ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  setup_sysctl();
  const char* reason;
  (void)reason;
  if ((reason = setup_binfmt_misc()))
    printf("the reproducer may not work as expected: binfmt_misc setup failed: "
           "%s\n",
           reason);
  if ((reason = setup_usb()))
    printf("the reproducer may not work as expected: USB injection setup "
           "failed: %s\n",
           reason);
  if ((reason = setup_802154()))
    printf("the reproducer may not work as expected: 802154 injection setup "
           "failed: %s\n",
           reason);
  install_segv_handler();
  for (procid = 0; procid < 4; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      do_sandbox_none();
    }
  }
  sleep(1000000);
  return 0;
}