// https://syzkaller.appspot.com/bug?id=53599a7fc4882bf655e43ac53edfe43e7740baab
// 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 <net/if_arp.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/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/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/if_tun.h>
#include <linux/in6.h>
#include <linux/ip.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>

static unsigned long long procid;

static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  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 int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type,
                            int* reply_len)
{
  if (nlmsg->pos > nlmsg->buf + sizeof(nlmsg->buf) || nlmsg->nesting)
    exit(1);
  struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
  hdr->nlmsg_len = nlmsg->pos - nlmsg->buf;
  struct sockaddr_nl addr;
  memset(&addr, 0, sizeof(addr));
  addr.nl_family = AF_NETLINK;
  unsigned n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0,
                      (struct sockaddr*)&addr, sizeof(addr));
  if (n != hdr->nlmsg_len)
    exit(1);
  n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  if (reply_len)
    *reply_len = 0;
  if (hdr->nlmsg_type == NLMSG_DONE)
    return 0;
  if (n < sizeof(struct nlmsghdr))
    exit(1);
  if (reply_len && hdr->nlmsg_type == reply_type) {
    *reply_len = n;
    return 0;
  }
  if (n < sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))
    exit(1);
  if (hdr->nlmsg_type != NLMSG_ERROR)
    exit(1);
  return ((struct nlmsgerr*)(hdr + 1))->error;
}

static int netlink_send(struct nlmsg* nlmsg, int sock)
{
  return netlink_send_ext(nlmsg, sock, 0, NULL);
}

static int netlink_query_family_id(struct nlmsg* nlmsg, int sock,
                                   const char* family_name)
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = CTRL_CMD_GETFAMILY;
  netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, family_name,
               strnlen(family_name, GENL_NAMSIZ - 1) + 1);
  int n = 0;
  int err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n);
  if (err < 0) {
    return -1;
  }
  uint16_t id = 0;
  struct nlattr* attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
                                         NLMSG_ALIGN(sizeof(genlhdr)));
  for (; (char*)attr < nlmsg->buf + n;
       attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
    if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
      id = *(uint16_t*)(attr + 1);
      break;
    }
  }
  if (!id) {
    return -1;
  }
  recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  return id;
}

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);
  (void)err;
}

static int netlink_add_addr(struct nlmsg* nlmsg, int sock, const char* dev,
                            const void* addr, int addrsize)
{
  struct ifaddrmsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  hdr.ifa_family = addrsize == 4 ? AF_INET : AF_INET6;
  hdr.ifa_prefixlen = addrsize == 4 ? 24 : 120;
  hdr.ifa_scope = RT_SCOPE_UNIVERSE;
  hdr.ifa_index = if_nametoindex(dev);
  netlink_init(nlmsg, RTM_NEWADDR, NLM_F_CREATE | NLM_F_REPLACE, &hdr,
               sizeof(hdr));
  netlink_attr(nlmsg, IFA_LOCAL, addr, addrsize);
  netlink_attr(nlmsg, IFA_ADDRESS, addr, addrsize);
  return netlink_send(nlmsg, sock);
}

static void netlink_add_addr4(struct nlmsg* nlmsg, int sock, const char* dev,
                              const char* addr)
{
  struct in_addr in_addr;
  inet_pton(AF_INET, addr, &in_addr);
  int err = netlink_add_addr(nlmsg, sock, dev, &in_addr, sizeof(in_addr));
  (void)err;
}

static void netlink_add_addr6(struct nlmsg* nlmsg, int sock, const char* dev,
                              const char* addr)
{
  struct in6_addr in6_addr;
  inet_pton(AF_INET6, addr, &in6_addr);
  int err = netlink_add_addr(nlmsg, sock, dev, &in6_addr, sizeof(in6_addr));
  (void)err;
}

static void netlink_add_neigh(struct nlmsg* nlmsg, int sock, const char* name,
                              const void* addr, int addrsize, const void* mac,
                              int macsize)
{
  struct ndmsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  hdr.ndm_family = addrsize == 4 ? AF_INET : AF_INET6;
  hdr.ndm_ifindex = if_nametoindex(name);
  hdr.ndm_state = NUD_PERMANENT;
  netlink_init(nlmsg, RTM_NEWNEIGH, NLM_F_EXCL | NLM_F_CREATE, &hdr,
               sizeof(hdr));
  netlink_attr(nlmsg, NDA_DST, addr, addrsize);
  netlink_attr(nlmsg, NDA_LLADDR, mac, macsize);
  int err = netlink_send(nlmsg, sock);
  (void)err;
}

static struct nlmsg nlmsg;

static int tunfd = -1;

#define TUN_IFACE "syz_tun"
#define LOCAL_MAC 0xaaaaaaaaaaaa
#define REMOTE_MAC 0xaaaaaaaaaabb
#define LOCAL_IPV4 "172.20.20.170"
#define REMOTE_IPV4 "172.20.20.187"
#define LOCAL_IPV6 "fe80::aa"
#define REMOTE_IPV6 "fe80::bb"

#define IFF_NAPI 0x0010

static void initialize_tun(void)
{
  tunfd = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
  if (tunfd == -1) {
    printf("tun: can't open /dev/net/tun: please enable CONFIG_TUN=y\n");
    printf("otherwise fuzzing or reproducing might not work as intended\n");
    return;
  }
  const int kTunFd = 240;
  if (dup2(tunfd, kTunFd) < 0)
    exit(1);
  close(tunfd);
  tunfd = kTunFd;
  struct ifreq ifr;
  memset(&ifr, 0, sizeof(ifr));
  strncpy(ifr.ifr_name, TUN_IFACE, IFNAMSIZ);
  ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
  if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) {
    exit(1);
  }
  char sysctl[64];
  sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/accept_dad", TUN_IFACE);
  write_file(sysctl, "0");
  sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/router_solicitations", TUN_IFACE);
  write_file(sysctl, "0");
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock == -1)
    exit(1);
  netlink_add_addr4(&nlmsg, sock, TUN_IFACE, LOCAL_IPV4);
  netlink_add_addr6(&nlmsg, sock, TUN_IFACE, LOCAL_IPV6);
  uint64_t macaddr = REMOTE_MAC;
  struct in_addr in_addr;
  inet_pton(AF_INET, REMOTE_IPV4, &in_addr);
  netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in_addr, sizeof(in_addr),
                    &macaddr, ETH_ALEN);
  struct in6_addr in6_addr;
  inet_pton(AF_INET6, REMOTE_IPV6, &in6_addr);
  netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in6_addr, sizeof(in6_addr),
                    &macaddr, ETH_ALEN);
  macaddr = LOCAL_MAC;
  netlink_device_change(&nlmsg, sock, TUN_IFACE, true, 0, &macaddr, ETH_ALEN,
                        NULL);
  close(sock);
}

static int read_tun(char* data, int size)
{
  if (tunfd < 0)
    return -1;
  int rv = read(tunfd, data, size);
  if (rv < 0) {
    if (errno == EAGAIN || errno == EBADFD)
      return -1;
    exit(1);
  }
  return rv;
}

static void flush_tun()
{
  char data[1000];
  while (read_tun(&data[0], sizeof(data)) != -1) {
  }
}

#define MAX_FDS 30

static void setup_cgroups()
{
  if (mkdir("/syzcgroup", 0777)) {
  }
  if (mkdir("/syzcgroup/unified", 0777)) {
  }
  if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) {
  }
  if (chmod("/syzcgroup/unified", 0777)) {
  }
  write_file("/syzcgroup/unified/cgroup.subtree_control",
             "+cpu +memory +io +pids +rdma");
  if (mkdir("/syzcgroup/cpu", 0777)) {
  }
  if (mount("none", "/syzcgroup/cpu", "cgroup", 0,
            "cpuset,cpuacct,perf_event,hugetlb")) {
  }
  write_file("/syzcgroup/cpu/cgroup.clone_children", "1");
  write_file("/syzcgroup/cpu/cpuset.memory_pressure_enabled", "1");
  if (chmod("/syzcgroup/cpu", 0777)) {
  }
  if (mkdir("/syzcgroup/net", 0777)) {
  }
  if (mount("none", "/syzcgroup/net", "cgroup", 0,
            "net_cls,net_prio,devices,freezer")) {
  }
  if (chmod("/syzcgroup/net", 0777)) {
  }
}

static void setup_cgroups_loop()
{
  int pid = getpid();
  char file[128];
  char cgroupdir[64];
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/pids.max", cgroupdir);
  write_file(file, "32");
  snprintf(file, sizeof(file), "%s/memory.low", cgroupdir);
  write_file(file, "%d", 298 << 20);
  snprintf(file, sizeof(file), "%s/memory.high", cgroupdir);
  write_file(file, "%d", 299 << 20);
  snprintf(file, sizeof(file), "%s/memory.max", cgroupdir);
  write_file(file, "%d", 300 << 20);
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
}

static void setup_cgroups_test()
{
  char cgroupdir[64];
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup")) {
  }
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup.cpu")) {
  }
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup.net")) {
  }
}

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

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setsid();
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = (200 << 20);
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 32 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 136 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 0;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
  if (unshare(CLONE_NEWNS)) {
  }
  if (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);
  setup_common();
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  initialize_tun();
  loop();
  exit(1);
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
retry:
  while (umount2(dir, MNT_DETACH) == 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, MNT_DETACH) == 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, MNT_DETACH))
        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, MNT_DETACH))
          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_loop()
{
  setup_cgroups_loop();
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  setup_cgroups_test();
  write_file("/proc/self/oom_score_adj", "1000");
  flush_tun();
}

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

static void setup_sysctl()
{
  static 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_enable", "1"},
      {"/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/net/ipv4/ping_group_range", "0 65535"},
      {"/proc/sys/kernel/keys/gc_delay", "1"},
      {"/proc/sys/vm/nr_overcommit_hugepages", "4"},
      {"/proc/sys/vm/oom_kill_allocating_task", "1"},
  };
  for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].name, files[i].data))
      printf("write to %s failed: %s\n", files[i].name, strerror(errno));
  }
}

#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,
  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;
};
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;
  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)
{
  int i, call, thread;
  int collide = 0;
again:
  for (call = 0; call < 11; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      if (collide && (call % 2) == 0)
        break;
      event_timedwait(&th->done, 50);
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
  close_fds();
  if (!collide) {
    collide = 1;
    goto again;
  }
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  setup_loop();
  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 (;;) {
      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;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[4] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff,
                 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    NONFAILING(memcpy((void*)0x20000400, "./file0\000", 8));
    syscall(__NR_mkdir, 0x20000400ul, 0ul);
    break;
  case 1:
    NONFAILING(memcpy((void*)0x20002080, "/dev/fuse\000", 10));
    res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20002080ul, 0x42ul, 0ul);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    NONFAILING(memcpy((void*)0x200042c0, "./file0\000", 8));
    NONFAILING(memcpy((void*)0x20002000, "fuse\000", 5));
    NONFAILING(memcpy((void*)0x20002480, "fd=", 3));
    NONFAILING(sprintf((char*)0x20002483, "0x%016llx", (long long)r[0]));
    NONFAILING(memcpy((void*)0x20002495,
                      ",rootmode=00000000000000000040000,user_id=", 42));
    NONFAILING(sprintf((char*)0x200024bf, "%020llu", (long long)0));
    NONFAILING(memcpy((void*)0x200024d3, ",group_id=", 10));
    NONFAILING(sprintf((char*)0x200024dd, "%020llu", (long long)0));
    syscall(__NR_mount, 0ul, 0x200042c0ul, 0x20002000ul, 0ul, 0x20002480ul);
    break;
  case 3:
    res = syscall(__NR_read, r[0], 0x20004340ul, 0x2020ul);
    if (res != -1)
      NONFAILING(r[1] = *(uint64_t*)0x20004348);
    break;
  case 4:
    NONFAILING(*(uint32_t*)0x20004200 = 0x50);
    NONFAILING(*(uint32_t*)0x20004204 = 0);
    NONFAILING(*(uint64_t*)0x20004208 = r[1]);
    NONFAILING(*(uint32_t*)0x20004210 = 7);
    NONFAILING(*(uint32_t*)0x20004214 = 0x20);
    NONFAILING(*(uint32_t*)0x20004218 = 0);
    NONFAILING(*(uint32_t*)0x2000421c = 0);
    NONFAILING(*(uint16_t*)0x20004220 = 0);
    NONFAILING(*(uint16_t*)0x20004222 = 0);
    NONFAILING(*(uint32_t*)0x20004224 = 0);
    NONFAILING(*(uint32_t*)0x20004228 = 0);
    NONFAILING(*(uint16_t*)0x2000422c = 0);
    NONFAILING(*(uint16_t*)0x2000422e = 0);
    NONFAILING(*(uint32_t*)0x20004230 = 0);
    NONFAILING(*(uint32_t*)0x20004234 = 0);
    NONFAILING(*(uint32_t*)0x20004238 = 0);
    NONFAILING(*(uint32_t*)0x2000423c = 0);
    NONFAILING(*(uint32_t*)0x20004240 = 0);
    NONFAILING(*(uint32_t*)0x20004244 = 0);
    NONFAILING(*(uint32_t*)0x20004248 = 0);
    NONFAILING(*(uint32_t*)0x2000424c = 0);
    syscall(__NR_write, r[0], 0x20004200ul, 0x50ul);
    break;
  case 5:
    NONFAILING(memcpy(
        (void*)0x20000000,
        "\x9e\xda\x43\x88\x38\x74\x3b\xd4\xe9\x72\x0b\xee\x57\x09\x35\x15\xdc"
        "\x18\x9a\x5e\xa6\x85\xe9\x55\x6c\x1c\x2c\x3c\xfc\x4d\xf5\x0d\x66\xd3"
        "\x1a\x48\xaa\x31\x26\x63\xb6\x8d\x18\xc5\x82\x6b\x5b\x55\xfb\x73\x82"
        "\x08\x86\x3d\xac\x0f\x10\xf4\x23\xae\xe7\xa5\xd8\xdd\xc4\x5e\xbd\xfe"
        "\xb7\x42\x4b\xae\x85\x9d\x7c\x37\xec\xfc\x4b\x63\x91\x4d\x5a\x56\xd9"
        "\x10\x17\xdd\x22\xbc\x84\xf7\x59\xa1\x59\x69\x95\x1a\xef\x9d\x5c\x88"
        "\xc9\x65\x60\x89\x69\x88\xfa\x18\xcd\x94\x6c\xfc\xc3\xa0\xf1\xc9\x93"
        "\x34\x83\x77\x90\x4e\xac\x32\xc9\x80\xbd\xf7\x97\x6e\xbc\xa2\xb4\x99"
        "\xca\xb6\x3c\x4e\x84\x15\x14\x27\x7f\xc7\x1d\x46\x20\xe2\x9a\x92\x52"
        "\x34\x02\x48\x5d\xe0\xe8\x28\x96\x48\x4c\x0a\xe4\x97\xa4\xd6\x86\xdf"
        "\x23\xca\x7b\x68\xc3\xfd\x5e\x62\x4d\x35\x10\xd7\xf9\x48\x38\xe5\x4a"
        "\xf8\x77\xca\x58\xa0\x0c\x5a\x67\x2b\xba\x11\xf5\xaa\x1e\xd1\x98\x0d"
        "\xfe\xf4\x7b\x99\x73\xd0\xbf\x45\x6d\xed\x5e\x72\xf1\x70\x2b\x3d\xc5"
        "\x19\x7f\xce\x39\xcb\xa5\x3a\x03\x8d\x8d\xc0\xec\x78\x3c\xe7\x05\x77"
        "\x10\x7d\xc5\xe8\xb2\x99\xe6\x4a\x0b\x7f\x11\x91\xf0\x92\x6b\xd2\x57"
        "\x62\x37\x01\x91\x71\x0b\xab\x2f\x44\xe9\x06\x9f\x55\xf8\xa3\xf8\x7e"
        "\x4c\xb4\x88\xa2\xfb\x33\x48\xc0\xbf\x3b\x38\x74\x29\x1f\x83\xe4\x77"
        "\x6b\x16\x0e\xa7\x3a\xaf\xa3\x91\x9c\x7c\x06\x9c\x73\xc0\x05\x21\x73"
        "\xa6\x31\x58\xdb\x8b\x65\x54\x1d\x16\x1f\x9c\x96\x49\x26\xad\x7f\x06"
        "\xbd\xd6\xcb\x6a\x32\x13\x5b\x04\xe3\x57\x01\xc2\xe1\x3c\x49\xc1\xf7"
        "\x5d\xc7\xa2\x5d\x62\x33\x78\x86\x06\x92\xd1\x72\xec\x3f\x1e\x1f\x2d"
        "\x9d\xc7\x7c\x01\x5c\x13\x72\x1e\xfc\xb1\x01\xc2\x39\x0a\xbb\x84\x7e"
        "\x87\x11\x32\xf4\x72\xa3\x7c\xc0\x16\x3b\x39\xb1\xd5\x75\xa5\x44\x4e"
        "\x24\x6a\x08\xa1\xaf\xb1\xa6\x96\xca\xba\xb2\x94\x98\xa3\x14\x42\x9a"
        "\x3b\x9f\x44\xc4\x3b\xa2\x9f\x71\xfa\xc1\xfb\xe0\xd0\x1c\x3c\x16\xd2"
        "\x27\x30\x93\x27\x04\xbc\xfb\x0c\x1b\x7a\x43\x2b\xc5\x1d\xd3\xf5\xdd"
        "\x5a\xfc\x3b\x34\x2c\xbe\x6a\x6f\xf8\x99\x03\x9e\x28\xf9\xa5\x18\x81"
        "\xb1\xd4\x6f\xdc\xf3\x17\x67\xcb\x6f\x5c\x5c\x69\xab\x3c\x80\x61\x5d"
        "\x77\xc4\xd1\x66\x4f\xc4\xec\x83\x1b\x8c\xea\x2e\x75\x2b\xbb\x7a\x9c"
        "\xe7\x9d\xf8\x75\xb2\x9f\x1e\x23\x27\x51\xda\xf3\x2a\x1a\x0c\x4f\xf8"
        "\xbd\x06\x88\xe2\xb8\xe2\xd6\x68\xb8\xa7\x7e\x20\xa9\xeb\x6e\xc2\xe2"
        "\xc2\x3b\x94\xe5\x07\xba\xea\xcb\xcf\xa3\x1f\xb6\xe1\xca\x33\x43\x66"
        "\x8f\x43\xe3\xaa\x6d\x85\xe7\xc2\x9b\xf0\xbb\x4d\xbd\xab\xdd\xc9\x2b"
        "\xe7\xf4\xa6\xf5\xd2\x1b\x19\xe6\xda\x17\xbf\xb6\xcc\x92\x6e\x38\x47"
        "\x53\x2f\xae\x29\xc7\xb6\x2f\xb9\x09\x13\x0e\xc3\x72\xd3\xc1\x6c\xfe"
        "\x6a\xaf\x3c\xe2\xaf\x0f\xe7\x61\x0f\xde\x7a\xad\x61\xbc\x80\xd2\xf9"
        "\x6b\x99\x9c\x8c\xcf\x6d\x22\xcf\x90\x3c\xa8\xae\x8b\x87\x9e\xc4\xa4"
        "\x16\xf3\x34\x98\x2e\x98\x10\xc0\x14\x0a\x18\xd4\xdc\x81\xb5\xed\xaa"
        "\xe2\x3e\x9f\x4a\xba\xf4\x0e\xd7\x15\x12\xae\xbb\xba\x5b\xb2\x51\x54"
        "\x5e\x18\x8d\xb7\x89\x55\x8a\x84\x5a\x28\x77\xb1\x4b\xda\xee\xc3\xc7"
        "\x38\xb7\xd7\x30\xc0\x86\x05\x31\xbf\x55\x17\xd4\xf0\xe8\xf9\x5e\xd3"
        "\x57\x1f\x8a\x35\x81\x6d\x51\x16\xfc\xb8\xd7\xcb\xf4\x2b\x7d\x5d\x5e"
        "\x65\x54\x15\x08\xc8\x98\xbb\x2e\x0f\xe9\x62\x97\xd2\xab\x71\x35\x66"
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        "\xc6\xc5\x40\x7e\x30\x77\xaa\x2e\x4b\xa8\xe2\x17\xe0\xee\x19\xe3\x02"
        "\xd6\xd9\x0e\x3b\xe0\x5a\x86\xda\xde\x35\xd2\xe4\x54\xe5\x11\xaf\xb5"
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        "\x5d\x6f\x92\xf0\x38\xdd\xaa\x23\x49\x9f\x80\x4f\xfb\x06\xab\xdb\xab"
        "\xb5\x1f\x6c\x38\xc9\x2f\xb1\xa6\x27\x1a\x4b\x13\xd6\xd1\x11\x25\xb8"
        "\xec\x12\xef\xa5\x90\x7d\xc6\x50\x62\x79\x7f\xb9\xcc\xa1\x5e\x2f\x25"
        "\x4e\x76\xb1\x82\xd3\xfc\xdb\x4e\x96\xac\x4d\xe3\x6d\x6d\xf7\xe7\xbb"
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        "\x52\xd1\x95\xa8\x4a\xd9\xce\xb0\x72\x87\xa0\xfb\xef\xab\x9e\x03\x47"
        "\xb5\x13\xc5\xf6\x02\x33\xcc\xd4\xb5\x2d\x90\xec\x14\x4a\x2f\x89\x6d"
        "\x9d\xc7\xf2\x79\xf8\xaa\x93\x03\x8f\x3e\xfa\x28\x6e\x1c\x30\x06\x93"
        "\x3a\x4d\x71\x83\xd9\x52\xf8\xd2\x8b\x14\x1b\x28\xb2\xaf\x35\x5b\x5b"
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        "\x94\x66\x28\x92\xa4\x9f\x82\x98\x13\x97\x0a\x45\x20\xf1\x22\x8a\xa0"
        "\x3d\x21\x1a\x45\xbe\xd3\xb2\xe0\x5b\xf1\xf1\x0b\x1a\x15\x27\x61\xe7"
        "\xb6\xc6\xdd\xea\x86\x3a\x3c\x02\x22\x42\x56\x09\x2c\x70\xca\x70\xdc"
        "\x18\x5c\x4c\x38\x5d\xd9\x8b\x09\xe2\x68\x26\x61\xe1\xe6\x6f\x71\xd9"
        "\xc4\x03\x70\x48\xeb\x70\xe8\xa1\xcb\xe5\x7d\xe8\x7e\xc4\x37\x13\xab"
        "\xf5\xfd\xcf\x63\xb9\xc4\x82\xf3\x18\xe3\xbe\xc3\x7e\x87\x8d\xad\xba"
        "\xe1\x5a\x02\xd7\x31\xe6\xc8\x57\x4e\xb1\x4c\x05\x9d\x72\xf7\x3b\xe5"
        "\x17\x4a\xdd\x78\x6d\x06\xb5\x85\xa2\x8a\x06\xd3\x49\xd8\xe4\x34\xa4"
        "\x91\xb3\x48\x97\xb3\xc1\xad\x78\x6e\xc8\x28\x0d\x7f\x57\xed\xd4\xfb"
        "\xc6\xae\xa5\x48\x5d\x65\x9b\x59\xd3\x93\xe3\x31\xcf\x91\xe6\xed\x76"
        "\xf3\x40\xfc\xf7\xcf\x46\x08\x92\xfa\x73\x18\xfc\x42\xb8\x83\xf6\x1d"
        "\x88\x8a\xd9\x82\xa7\x51\xac\xcb\x61\x3c\x66\x66\x1f\xba\x5f\x3d\x6d"
        "\xe7\x51\xa6\xa9\xef\x8a\x47\x00\x31\x6a\xaa\xd0\x4e\x99\x1a\xab\x79"
        "\x03\xf4\xef\x01\x2e\xc2\xa8\xc0\x92\x23\x4e\x74\xef\x33\x5d\xaf\x36"
        "\x0a\xe4\x7b\xbd\x2b\xbc\x6a\xd8\xc1\xa4\xf8\x1e\xfe\x8b\xbd\x70\x3c"
        "\xb5\x5e\xf3\x6b\x32\xb4\xe3\x0c\xb5\xa3\xb1\x65\xc0\x2b\xa2\x95\xd0"
        "\xe1\xc4\x0c\xe6\xff\x8f\x47\x9a\x74\xf0\x12\x75\xf1\x13\xeb\xfa\x8a"
        "\xde\x37\xa5\x9c\xe7\x0e\x6c\xa2\xa6\xf4\x8f\x1b\xe0\x85\xf6\x1b\xf7"
        "\x72\xe2\xc2\xda\x52\x3a\x2c\xfe\x63\xe9\x9c\x57\xbd\xb1\xff\x23\x13"
        "\x9d\x4f\xca\x49\xef\xf7\x54\x7e\x98\x80\xee\xfd\x3f\x75\x11\xa6\x77"
        "\xef\xa2\x3b\x52\x09\x8b\xa8\x90\x37\xc4\x8d\xfc\xda\x2e\x8c\x1c\xfb"
        "\x9f\x89\x21\x61\x04\x9e\x53\xf8\xce\xe5\x52\x56\x27\x95\x12\xae\xca"
        "\xb8\xc4\x41\x60\x0d\xae\x0f\xd9\x57\x88\x32\x73\x04\x7c\xf5\xc6\x6b"
        "\xa2\x09\xf8\x30\xaa\x2c\xe0\xcb\xe4\x1c\xa0\x8c\x0c\xef\x4a\xed\x7f"
        "\x43\x24\x00\x92\x00\x66\x1a\x7c\xe6\x80\xe5\xa8\xdf\x2d\x05\x1c\x1d"
        "\x8b\x2f\x63\xd2\x5d\x8d\x74\xd0\x5c\x75\xc4\x6c\x8f\x3f\x24\xd6\x25"
        "\x53\x9e\x63\x45\x96\x50\x96\x04\x98\xa5\x4e\xc3\xb1\x62\x25\xbb\xbf"
        "\x4d\x39\x30\x00\x9d\xf2\x65\x83\x9d\x72\x61\x1f\x53\x32\xa9\x04\xcd"
        "\xeb\xad\xa1\x08\x23\x6e\x44\x14\xa2\x90\x9a\xd0\x1e\xc4\x4b\x9d\x7f"
        "\x75\xde\x43\x85\xad\x7c\xa5\x15\x2e\x89\x0a\x09\x19\xb3\x63\x9f\xd1"
        "\xbc\xbc\xa3\xb7\x37\xeb\xb8\xd9\xae\x54\x1b\x12\x71\xcf\x21\x66\xba"
        "\x15\x83\x0e\x66\xf3\xd3\xaf\xd3\xb7\x54\xa7\xf8\x1a\xd4\xf0\x99\x97"
        "\x04\xae\x99\xc1\x14\x90\x7c\x5b\xe4\xa4\x79\x7f\x13\xb8\x05\x64\xf2"
        "\x34\x72\x3a\x34\xdb\xe1\x37\xda\xbf\xd7\xfa\x23\x56\x2d\xf6\x79\xf5"
        "\x4a\x6a\xb5\x4d\xef\x6d\x63\xde\xae\x98\x44\xf7\x2f\xd7\x3e\xfd\x04"
        "\x13\x55\x1f\x5c\x4b\x9e\xe8\x26\xeb\x3b\x7f\xaf\x92\xa5\x9e\xa3\x4a"
        "\x16\x72\x3b\x4f\xea\x14\xd1\xc8\x81\x5a\x4e\x2d\x39\xfc\x48\xd1\xdb"
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        "\x05\xf5\xc7\x64\xa2\x64\xb8\x3c\x4a\x21\xf8\x0e\x8b\x61\xc8\x2d\x24"
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        "\xd9\x70\xcc\x3a\x8e\x4d\x1b\xbe\x64\x96\x79\x9a\xa7\xf1\x00\x41\x17"
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        "\x6e\xba\x12\x32\x73\xd1\xfd\x5e\xe4\xb4\x71\xe8\x6f\x9a\xe9\x47\x8a"
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        "\xb6\x3f\xfe\xb6\xd3\x0d\xe5\x8e\xc0\x39\xe2\xdd\x3c\x18\x1e\x25\x4c"
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        "\x7a\xe4\x9a\x5f\xb7\x05\x22\x0a\x58\x19\xb3\xcc\xa4\x1b\x1c\xcc\x21"
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        "\xd7\x3e\x13\x7f\x98\x06\xde\xef\xaf\x6f\x4a\xca\xa0\xe7\x6a\xd4\xfe"
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        "\x99\xfd\xfb\x13\x88\x0e\x20\x7c\xac\x73\xf0\xa2\x90\x20\xbd\xd5\x63"
        "\xbd\x9c\x2f\x6b\xcd\x1e\xc5\x23\xb3\xe0\x3e\xbf\x61\x64\xfc\x65\xaf"
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        "\x1c\xf1\x15\x0e\xa5\x72\x59\xd5\x79\xfc\x2e\xd1\x99\xb3\xfb\xe4\x2d"
        "\x51\x88\xc8\x4e\x43\x54\x61\x07\x43\xe5\xb2\x3a\x26\x52\x46\x31\x3c"
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        "\x69\x57\x2e\x11\x31\x6b\xc8\x92\x6c\xb2\x31\x15\x18\x6f\x3b\x23\x87"
        "\xb8\x2c\x38\x98\xfa\x41\xbf\x16\xa3\x08\xda\x62\xd5\xa3\xeb\x36\x09"
        "\xaf\x19\x43\xfd\xdd\xe0\x8a\x40\x36\xeb\x2a\x41\xb7\x29\x2c\xaa\xd9"
        "\xeb\x08\x26\x14\xb0\x2a\x1f\xa2\x55\xbc\x7a\xbd\x4d\x0e\x3b\x4e\xc1"
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        "\xfa\xd1\xad\x8b\xfa\x99\xca\xa4\x9e\x20\x3a\x7b\x9c\x33\xe0\x44\xd4"
        "\x54\x4a\x53\x74\x71\xe7\xa4\x52\x46\x8b\x82\x19\x59\xbc\x48\x8c\x6b"
        "\x8c\xbf\x81\xe9\x00\x81\xa2\x6d\xe2\x73\xad\x12\x03\xcc\x06\xad\xb6"
        "\xaf\x24\x2a\xb1\x9f\x96\xc1\xc6\x6b\x58\xc3\x7e\x2c\x93\x09\x70\x4f"
        "\xba\x63\xaf\x99\xa8\xd9\xc5\xef\xc6\x51\xaf\xb6\x31\xfe\x9f\x54\x6b"
        "\x93\x8c\xc3\xb8\xe5\x26\xc4\x15\x9e\x5c\x9f\x7a\xfb\x29\xfd\x1d\x55"
        "\xfa\xbf\x09\x36\x7c\xe2\xa6\x3a\x35\xe7\xa2\x06\x2d\x1c\x77\x2e\xd9"
        "\x81\xfd\x77\x15\x7a\x84\x7f\x68\x7a\x17\x7c\xf9\x88\x6c\xe4\x1d\xf8"
        "\xcc\x50\x93\x02\xb4\x6b\xc1\xe2\xba\x89\x6b\x1c\x16\x56\xa1\xbb\xfd"
        "\xf4\xcd\x9a\xc3\x9c\xf8\x51\x0d\x1c\x82\x30\x75\xf1\x65\x50\xfd\x04"
        "\x4a\xac\xc8\xd4\x2a\x56\xf0\x37\x18\xf7\xb1\x84\x75\xcd\xc3\x99\x9f"
        "\xae\xb2\x5a\xb3\xdd\x8a\x80\x7e\xe0\x4d\x8e\x5d\x83\x1d\x08\xb4\xe3"
        "\x09\xdf\xf5\x03\x30\x68\x51\x38\x79\x7e\x10\xc6\x36\x26\x36\xf5\x3f"
        "\x22\xbf\xc1\xf3\xd5\x09\x0a\x5d\x36\x92\x82\xd9\xde\x36\xbb\x4e\x25"
        "\x05\x41\x1c\xcc\x6e\xa3\x95\xaf\xa1\x56\x7b\x15\xa2\xfb\x4b\xe2\xad"
        "\xee\xa7\x12\x6b\x1a\x8e\x80\x03\x41\x05\xe0\xd9\x8b\xdd\x78\xe7\x96"
        "\xce\x1c\xdc\x06\xa4\xae\x66\x6f\xc0\xba\xec\x5c\x52\x61\x43\x40\xed"
        "\x99\x76\x73\xe2\x6e\xc4\x7c\x88\x84\x6c\x00\x0b\xb7\xc9\x07\x73\x37"
        "\xcd\x44\xf5\xc0\x41\xfd\xcc\x64\x98\x6e\x5e\x1c\x0f\x48\x81\x48\xf0"
        "\xee\x6f\x84\x2c\x44\xc0\xb7\x2e\x82\x10\x92\x70\x34\x1b\xba\x6e\x90"
        "\x80\xb7\x0f\xcf\x93\x0d\x0f\x10\xbe\x5a\x36\x79\x8e\x70\x11\x1f\xed"
        "\x72\x72\x7b\x72\x28\x2f\xf1\x64\xfc\x08\x31\x9d\x74\xf1\xf5\x7c\xde"
        "\x71\xb5\x7c\xb3\x97\xa9\xe7\x53\xf8\x7b\x97\x72\x9b\xaf\xba\x01\x7a"
        "\x24\xcb\xfd\xee\x5d\xfe\x7f\xc2\x96\xc1\x12\xe9\x3b\xb8\xfc\xe5\x60"
        "\xca\x80\xa3\xaf\xd8\x37\x0b\xaa\xa7\x9a\xd7\x83\xb5\x13\x52\xb5\x44"
        "\x0b\x14\x4a\x47\x37\x8c\x9a\xe2\x2e\xda\x57\x94\x32\x8e\x95\xbc\xca"
        "\x22\x0f\xd0\x7b\xb5\x69\x15\x52\x9b\x15\x5c\x61\x85\x8e\xfe\x89\xad"
        "\x36\xa7\x92\x88\xe7\x4c\x0e\x25\x1a\xdd\xcf\xaf\x79\x74\x32\x17\x5a"
        "\x55\x62\xb4\x6e\xff\x5e\x3a\xeb\xeb\x74\x62\x3e\x18\xbe\xef\x85\x38"
        "\x93\x83\xc6\x04\xd8\x88\x44\x31\xb0\x7d\xc4\xbe\xa0\x17\x4a\xad\xc3"
        "\x37\xff\x41\xf5\x58\xa6\x3f\x16\x69\x0f\xea\xe4\x7e\xfa\x2a\x5d\x13"
        "\x18\xb7\x39\x7e\x1e\x4b\xa3\x98\x72\x7d\x28\x67\x91\xb7\x16\x10\xe1"
        "\xd7\x8d\x32\x80\x0e\x7e\x11\x3c\x12\xab\xf0\xf6\x0b\x6c\xa4\x40\x1e"
        "\xcd\x23\xb7\xaa\xcd\x99\x06\x33\xb2\xb0\x17\xda\xf6\xbf\xef\x1b\x23"
        "\x61\xec\xe7\x4b\x7d\xbc\xbb\x1a\x73\xd4\xbc\x1f\x9d\x2e\x5c\x9f\xb0"
        "\xb7\x98\x0d\x25\xcc\x44\xd1\xb1\x0c\x09\xef\x5a\x6a\x05\xc8\x46\x69"
        "\x29\x4a\x5c\xad\xf0\xcd\x88\xab\x44\x9f\x9f\x0b\xcd\xd8\xc4\x85\x90"
        "\xd4\x16\xc5\xc1\xfe\xaa\x49\x4a\x21\x45\x94\x9c\x2a\x33\x73\xdf\x7c"
        "\x60\x14\x22\x5f\x27\x45\xbb\xeb\x20\xff\x29\x4d\x22\xc0\xd9\x6c\xa1"
        "\x11\xe6\x92\x69\x46\x20\x7c\xab\x56\xa0\x31\x62\xa4\x9e\x68\x96\x8e"
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        "\xa9\xae\x93\x5c\xaa\x46\xf5\xb3\x43\x39\x57\xfb\x37\x09\x71\xed\x95"
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        "\xe9\x94\xc2\xa3\xae\x3d\xe2\x4a\x10\x3e\xfb\x3c\xac\xb7\x46\xb4\x9d"
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        "\xf3\x20\x40\xd3\xbd\xc3\x00\x80\x31\x63\x4c\xdf\xde\xd5\xac\x95\xb2"
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        "\x96\xf6\x79\xbf\x72\x88\x5a\xa7\x66\x46\x8d\x42\xb2\x54\x35\x42\xd7"
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        "\x3b\xfc\xeb\x72\x18\x78\xcf\x98\x94\xb0\x30\x2d\xf1\x59\x64\x24\x2a"
        "\xb6\xb9\xf7\x7f\x98\xba\x1c\x79\x93\x73\x59\x83\xd2\xb0\x22\x60\x0a"
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        "\x17\xef\x1a\x7a\x67\x46\x99\xdf\x87\xfe\x79\x5d\x12\x43\xcb\x9c\x45"
        "\x27\xe3\x64\xe2\xb7\x11\xb6\x56\x2a\x87\xfa\xfc\x13\x0c\xe0\xba\xf1"
        "\x70\x16\x86\x63\x9b\x05\xf0\xc8\xdc\x70\x8f\x00\x8b\x1e\x6a\xb8\x9e"
        "\x8d\x62\x3b\xb8\x3f\x3d\x54\xb7\xbc\xdb\xda\xcd\x05\x5a\xc4\xec\xcb"
        "\xd3\x6b\xbe\x0a\xf0\xf6\x5a\x00\xe3\xd6\xdd\x98\x5a\xe8\x85\x1d\x17"
        "\x69\x76\xcf\xb5\x81\x6d\x1f\xc2\xa6\x3d\x35\x46\xae\xca\xa4\xe7\x12"
        "\xca\x69\x61\xd1\xf1\x81\x31\x5d\x55\x3d\xe6\xb5\x34\x85\xfa\xed\x0d"
        "\xcf\xcf\x81\x9a\x1b\xa3\xba\xdf\xfe\x79\x73\x77\xd3\xd1\xdd\xae\xd8"
        "\xe7\xa0\xac\xc0\xc3\xd2\x77\x76\x22\x62\xa1\x39\xf9\x4d\xe4\x9f\xac"
        "\xa1\x67\xb1\x1b\xf0\x4f\x21\x04\xa5\xab\x9a\x73\x36\x7a\x64\x61\xf7"
        "\x12\x4c\x91\xa2\xc4\x22\x9e\xf9\x8e\x6e\xbd\xe9\xaa\xc2\x83\xc7\xd0"
        "\x29\x40\x0d\x71\x29\x3f\x48\x8b\xa1\x69\xb6\x2c\x1e\x94\x68\x9c\xf5"
        "\xb2\x48\xed\x4a\xea\x62\xb8\x8d\x65\xbb\x76\x4c\xfe\x27\xd5\x23\x1a"
        "\x58\x48\x6e\x73\x81\xdf\x51\x8f\x4e\xd8\x1c\xb9\x05\x10\x8c\x54\xa5"
        "\x05\x0a\x94\xca\x0e\x94\xda\x20\xd3\x79\x4b\xc5\xfa\xb9\x12\x7d\xc9"
        "\x5b\x64\x04\xb1\xe2\x7b\x4e\x28\x13\x6f\xc2\x78\x06\xf7\xbe\x79\x84"
        "\x44\xc3\x3a\xca\x88\xff\xd4\x5b\x86\x0e\xba\x0d\x50\x33\x83\x9f\x5a"
        "\x09\x28\x63\x95\x46\x04\xf1\x95\x2b\xd6\x1d\xad\x23\xb1\x16\x43\xfe"
        "\x14\xf3\xad\xe0\x81\x16\xaa\x2c\x13\xee\xe7\x01\xcc\xd1\x3e\x50\x6b"
        "\xd6\x5a\x10\x60\xbf\x69\x57\x9a\xea\x8c\x81\x43\xcd\x38\xc0\x89\x1a"
        "\x30\x65\xf2\x51\xeb\xa0\xc2\x0a\xb9\xc6\x9d\xdf\x28\xe3\xbd\x64\x00"
        "\xcc\x20\x3b\xac\x8d\xe1\x88\x22\x39\xad\x4e\x1b\x97\xb0\xae\x2f\x1a"
        "\xbb\x7b\xac\x7c\x0d\x8e\xf8\x2b\x97\xeb\xfb\x1f\x55\x77\xf0\x6a\x3a"
        "\x13\x77\xb0\x9a\xda\x4d\xb8\x7d\x34\x2f\x20\xab\x0e\xca\x4b\x9c\x20"
        "\x60\x42\x47\x13\x07\x51\x14\x29\xcb\x57\xa5\x78\x21\x1f\x92\xd3\x64"
        "\x71\x89\x86\x1c\xad\x91\x45\xf5\xeb\x26\xab\x69\x6a\xbe\x50\xa2\xa6"
        "\xc1\xb4\x69\xdf\x97\xda\x28\xab\xa4\xe7\x9b\x58\x6c\x34\x8a\x43\x0f"
        "\x5e\xa6\x1c\x4b\xe1\x03\x2f\xa6\x1d\x18\x58\x1f\x05\xa0\x7f\xb8\x70"
        "\x7c\x89\x96\xe0\xff\xf1\xc3\xed\xa5\x9b\x99\x26\x87\xfa\x12\x48\x3b"
        "\x93\x27\xe1\x02\x24\xb2\x0d\x42\xe8\xb3\xfc\x46\x70\xbf\x07\x0c\xed"
        "\x60\x22\x83\x27\x3d\x68\x18\xac\xd1\xf6\xda\x56\x7c\x44\xd3\xf5\xe1"
        "\x37\x70\x65\xd4\x3d\x87\xd8\x89\x84\x3a\xe4\x8e\x7f\xa8\xba\x16\x34"
        "\x81\x56\x95\xb8\xc4\x80\xca\x27\x1e\x6e\x83\x37\x99\xc7\x0d\xa8\x0f"
        "\xd7\x9a\xcc\x09\xb9\x89\x66\x7a\x22\x94\xde\x5d\xa7\x3f\x03\x63\xdf"
        "\x9a\x33\xad\x4d\xab\x8d\x27\xcf\x7b\xed\x0a\x06\x83\x86\x72\xe3\xd0"
        "\x7d\x52\xb6\x39\x6e\x9b\x55\x76\x02\x1d\x5e\x92\x5a\xbd\x53\x3b\xf1"
        "\x61\xc9\x44\x79\x50\x65\xfd\xd4\x4e\x84\x62\xe3\x07\x0c\x47\x9f\x1c"
        "\x11\x82\x76\x65\x34\x88\xdd\x9b\x2f\x1a\x67\x3f\x8c\xad\x36\x12\xca"
        "\x1f\xab\x43\x88\xec\x9c\x8f\x83\x4a\x01\xa4\x99\xad\xb7\xb3\xa9\xa9"
        "\x77\x67\x2f\x6d\x75\xb4\x1b\xbd\xd7\xf9\x1c\xeb\x7e\x7a\x88\x56\x8d"
        "\x17\xbb\x43\x2b\xe9\xe4\xe9\x6e\x11\x50\x75\xbc\xe1\x97\xef\x47\x54"
        "\xd2\x91\x4c\x2c\x59\xe2\xd7\xf4\xc0\x8f\x0d\xbe\x34\xd3\x1f\x22\x94"
        "\x28\xf2\x11\xbf\x1d\x7e\x8f\x5c\x31\x9e\xd4\xa8\x27\x3c\xb6\x25\x5e"
        "\xb3\x18\x85\x1a\xc4\x55\x7b\x02\x78\xfa\xc6\x31\x07\xa5\x4d\x40\x7c"
        "\x42\xf3\x00\xb8\x43\xa1\x2a\xbd\x3b\x89\x3b\x46\xc7\xef\xac\x2e\x38"
        "\x8a\xb4\x2b\x87\xae\xbe\x25\x43\xbd\x4c\x15\xf4\x59\xbc\x50\xaa\xd1"
        "\x0f\xfe\x1c\x11\x96\xfb\x52\xc2\x6e\x54\xbd\xaa\x7f\xbd\x52\x45\x1f"
        "\x20\x7f\xfb\x07\x3e\xf4\xb3\xf7\x1e\xed\xd7\xda\x40\xc8\x95\x05\x01"
        "\x97\x39\xe3\xfa\x73\x3b\xcd\xc8\x4f\xf4\x91\x9e\x8f\xe2\x35\x81\x29"
        "\xef\x28\x29\x1b\xe1\xd6\x42\x6b\x8b\xaf\xe8\x84\x63\xb1\xd3\xcd\x72"
        "\x73\x74\x53\x81\xc7\xf6\x52\x21\x89\x8e\x6a\xd3\x61\xe8\x8b\x24\xc5"
        "\x4c\xcc\x7a\xc9\xa8\x30\x14\x5b\x6d\xc0\x96\xe2\xd7\x1e\xf7\x1e\xc4"
        "\xf0\x35\x24\xcb\x87\x0b\x72\x4e\x08\xd2\x23\xbd\xec\x2f\x6f\xdd\xe6"
        "\x20\x02\x17\xa1\x3b\x51\x36\x00\x4d\x45\x5d\x66\x54\x7f\x5a\x17\x93"
        "\xe0\xca\xd8\x56\x77\xd4\x9e\x5c\x55\x88\x52\x10\x70\x07\xc8\x13\x68"
        "\x12\xcf\x02\x1a\xfa\xf6\xf7\xe8\xf5\x98\x83\x37\x1b\xe4\x6c\xda\x41"
        "\x2d\xd9\xc6\xfc\xf1\x87\xc3\x12\x52\xce\xb5\x75\x89\x01\xd3\x9c\xd5"
        "\x35\x5a\xb3\x86\xd9\xa7\xfe\x6e\xa4\x6e\xbf\x27\x7a\xaf\x80\x9c\x30"
        "\x23\x21\x1e\xa9\xaa\x18\x9d\xe4\xd4\x22\x08\x0e\xbb\x9f\xec\x50\xff"
        "\xab\x6b\x95\xba\x4a\xe5\x01\x8a\xcc\xc4\x97\xe7\x91\x49\xed\x60\x47"
        "\xce\x56\x1c\xcc\x10\xe9\x19\x4c\xdc\xcd\x5c\x9f\xb7\x51\x75\xc8\xdb"
        "\xc9\xd0\xa9\x16\xad\x59\x28\x8f\x01\x0d\xef\xbb\xb5\x0d\x26\x30\x41"
        "\xab\x37\xaa\xc0\xf9\x32\x53\xbe\xf6\xf8\x98\xcd\x08\x25\xd9\x9d\x27"
        "\x22\x4f\x26\x18\x1f\x97\x13\xb8\x97\x9d\xa6\x47\x56\xc9\x5e\x75\x05"
        "\xf2\x5a\x26\x88\x96\x0d\x61\x55\xc3\x61\x3d\xcc\x31\xb6\xc3\x37\xa6"
        "\xdb\xfc\x6b\x12\xcf\xde\x1d\xb2\x2b\x93\xbb\xd5\xe4\x85\x34\xfb\x0b"
        "\xda\x8b\x21\x25\x77\xa1\x4d\xcf\x66\x5c\x83\x4b\x0b\xd2\x4e\x5f\x62"
        "\x4d\x24\x55\xfe\x04\x8d\xbe\x93\x03\x28\xd7\xcb\x63\x2d\xb3\xb0\xe2"
        "\x44\xbb\x5d\x43\x39\x0b\x42\x0b\x15\x15\x7a\x33\x94\x87\xfc\x78\x97"
        "\x6f\x86\x7d\x3a\x36\x1a\xaf\xdd\x3f\x50\xa9\x3c\x01\x88\x2d\xa7\xc2"
        "\x20\x08\x9a\x54\x43\x81\xdb\x22\xe2\xc8\x6b\x22\x8d\xc2\xbe\x01\x82"
        "\x04\x68\x46\x04\x37\x58\x89\x52\xa5\x49\xd3\x74\x98\xe5\x29\xe6\x2a"
        "\xa6\x2b\xad\x15\x80\x54\x6b\xcb\x1e\x9a\x6e\xd1\x87\x0b\x78\x38\xd0"
        "\x5d\x12\xf6\xe3\xa0\x41\xe7\x8b\x1b\xdb\x80\x89\x46\x26\xf2\x08\x89"
        "\xcc\xb3\xa4\x68\xaa\x4f\xb2\x4b\x9c\x87\xcb\xb2\x86\x23\xce\x59\xc6"
        "\xb3\xc6\x28\x6d\xb3\x66\xd0\x80\x04\x55\x1a\x25\xfe\x4d\x8d\x19\x4a"
        "\x2b\xb7\xc5\x2e\x1c\x85\xa5\xfb\xe4\xcb\x15\xb1\x71\x48\x9d\xa1\x21"
        "\xbe\xa1\xc4\x69\xa6\xbb\x18\x5d\x63\x21\x30\x84\xe3\xa8\x1e\xe5\x4d"
        "\xc0\x3a\x94\xdc\x5e\xcd\xda\x7b\xfa\xad\x1d\xf6\x80\x21\xaa\xf4\x62"
        "\x7c\x9d\x52\x9f\x13\xe5\xc8\x1b\x5e\xe4\xdd\x22\x89\x49\xca\x16\xb9"
        "\xa6\x1d\x18\x62\x11\xd1\x53\x29\x44\x70\x90\x75\x57\xe5\xe1\x4a\xe6"
        "\x65\x01\x3f\x28\x5f\xe4\xd3\x76\x6e\x7b\x3d\x8c\xe5\xe2\xa1\x46\x92"
        "\x07\x2d\x4d\x8f\x79\x35\x4b\xcc\x8d\xb8\xa2\xa3\x6c\x8b\xcd",
        8192));
    NONFAILING(*(uint64_t*)0x200069c0 = 0);
    NONFAILING(*(uint64_t*)0x200069c8 = 0);
    NONFAILING(*(uint64_t*)0x200069d0 = 0);
    NONFAILING(*(uint64_t*)0x200069d8 = 0);
    NONFAILING(*(uint64_t*)0x200069e0 = 0);
    NONFAILING(*(uint64_t*)0x200069e8 = 0);
    NONFAILING(*(uint64_t*)0x200069f0 = 0);
    NONFAILING(*(uint64_t*)0x200069f8 = 0);
    NONFAILING(*(uint64_t*)0x20006a00 = 0);
    NONFAILING(*(uint64_t*)0x20006a08 = 0);
    NONFAILING(*(uint64_t*)0x20006a10 = 0);
    NONFAILING(*(uint64_t*)0x20006a18 = 0x200066c0);
    NONFAILING(*(uint32_t*)0x200066c0 = 0x90);
    NONFAILING(*(uint32_t*)0x200066c4 = 0);
    NONFAILING(*(uint64_t*)0x200066c8 = 0);
    NONFAILING(*(uint64_t*)0x200066d0 = 7);
    NONFAILING(*(uint64_t*)0x200066d8 = 0);
    NONFAILING(*(uint64_t*)0x200066e0 = 0);
    NONFAILING(*(uint64_t*)0x200066e8 = 0);
    NONFAILING(*(uint32_t*)0x200066f0 = 0);
    NONFAILING(*(uint32_t*)0x200066f4 = 0);
    NONFAILING(*(uint64_t*)0x200066f8 = 0);
    NONFAILING(*(uint64_t*)0x20006700 = 0);
    NONFAILING(*(uint64_t*)0x20006708 = 0);
    NONFAILING(*(uint64_t*)0x20006710 = 0);
    NONFAILING(*(uint64_t*)0x20006718 = 0);
    NONFAILING(*(uint64_t*)0x20006720 = 0);
    NONFAILING(*(uint32_t*)0x20006728 = 0);
    NONFAILING(*(uint32_t*)0x2000672c = 0);
    NONFAILING(*(uint32_t*)0x20006730 = 0);
    NONFAILING(*(uint32_t*)0x20006734 = 0x6000);
    NONFAILING(*(uint32_t*)0x20006738 = 0);
    NONFAILING(*(uint32_t*)0x2000673c = 0);
    NONFAILING(*(uint32_t*)0x20006740 = 0);
    NONFAILING(*(uint32_t*)0x20006744 = 0x800);
    NONFAILING(*(uint32_t*)0x20006748 = 0);
    NONFAILING(*(uint32_t*)0x2000674c = 0);
    NONFAILING(*(uint64_t*)0x20006a20 = 0);
    NONFAILING(*(uint64_t*)0x20006a28 = 0);
    NONFAILING(*(uint64_t*)0x20006a30 = 0);
    NONFAILING(*(uint64_t*)0x20006a38 = 0);
    NONFAILING(syz_fuse_handle_req(r[0], 0x20000000, 0x2000, 0x200069c0));
    break;
  case 6:
    NONFAILING(memcpy((void*)0x20002040, "./file0/file0\000", 14));
    res = syscall(__NR_openat, 0xffffff9c, 0x20002040ul, 0ul, 0ul);
    if (res != -1)
      r[2] = res;
    break;
  case 7:
    NONFAILING(*(uint32_t*)0x20002300 = 0x53);
    NONFAILING(*(uint32_t*)0x20002304 = 0xfffffffd);
    NONFAILING(*(uint8_t*)0x20002308 = 0);
    NONFAILING(*(uint8_t*)0x20002309 = 0);
    NONFAILING(*(uint16_t*)0x2000230a = 0);
    NONFAILING(*(uint32_t*)0x2000230c = 0);
    NONFAILING(*(uint64_t*)0x20002310 = 0);
    NONFAILING(*(uint64_t*)0x20002318 = 0);
    NONFAILING(*(uint64_t*)0x20002320 = 0);
    NONFAILING(*(uint32_t*)0x20002328 = 0);
    NONFAILING(*(uint32_t*)0x2000232c = 0);
    NONFAILING(*(uint32_t*)0x20002330 = 0);
    NONFAILING(*(uint64_t*)0x20002334 = 0);
    NONFAILING(*(uint8_t*)0x2000233c = 0);
    NONFAILING(*(uint8_t*)0x2000233d = 0);
    NONFAILING(*(uint8_t*)0x2000233e = 0);
    NONFAILING(*(uint8_t*)0x2000233f = 0);
    NONFAILING(*(uint16_t*)0x20002340 = 0);
    NONFAILING(*(uint16_t*)0x20002342 = 0);
    NONFAILING(*(uint32_t*)0x20002344 = 0);
    NONFAILING(*(uint32_t*)0x20002348 = 0);
    NONFAILING(*(uint32_t*)0x2000234c = 0);
    syscall(__NR_ioctl, r[2], 0x125d, 0x20002300ul);
    break;
  case 8:
    NONFAILING(memcpy((void*)0x20000080, "memory.events\000", 14));
    syscall(__NR_openat, 0xffffff9c, 0x20000080ul, 0x26e1ul, 0ul);
    break;
  case 9:
    res = syscall(__NR_openat, 0xffffff9c, 0ul, 0x7a05ul, 0x1700ul);
    if (res != -1)
      r[3] = res;
    break;
  case 10:
    syscall(__NR_syncfs, r[3]);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  setup_sysctl();
  install_segv_handler();
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      do_sandbox_none();
    }
  }
  sleep(1000000);
  return 0;
}