// https://syzkaller.appspot.com/bug?id=e0fc5ef12841af7e3d13b2c03bf55b8afd555382
// 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 <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.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_link.h>
#include <linux/in6.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/veth.h>

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

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

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

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

typedef struct {
  int state;
} event_t;

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

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

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

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

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

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

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

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

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

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

static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type,
                            int* reply_len, 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_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;
}

#define MAX_FDS 30

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

static void setup_common()
{
  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)) {
  }
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

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)) {
  }
  setup_binderfs();
  loop();
  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");
}

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

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;
  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++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

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

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    res = syscall(__NR_socket, 0x10ul, 3ul, 0);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    res = syscall(__NR_socket, 0x10ul, 3ul, 0);
    if (res != -1)
      r[1] = res;
    break;
  case 2:
    res = syscall(__NR_socket, 0x10ul, 0x803ul, 0);
    if (res != -1)
      r[2] = res;
    break;
  case 3:
    memcpy((void*)0x200002c0, "TIPCv2\000", 7);
    syz_genetlink_get_family_id(0x200002c0, r[2]);
    break;
  case 4:
    *(uint32_t*)0x20000200 = 0x14;
    res = syscall(__NR_getsockname, r[2], 0x20000380ul, 0x20000200ul);
    if (res != -1)
      r[3] = *(uint32_t*)0x20000384;
    break;
  case 5:
    *(uint64_t*)0x20000040 = 0;
    *(uint32_t*)0x20000048 = 0;
    *(uint64_t*)0x20000050 = 0x20000000;
    *(uint64_t*)0x20000000 = 0x200008c0;
    memcpy((void*)0x200008c0,
           "\x48\x00\x00\x00\x10\x00\x05\x07\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00",
           20);
    *(uint32_t*)0x200008d4 = r[3];
    memcpy((void*)0x200008d8,
           "\x00\x00\x00\x00\x00\x00\x00\x00\x28\x00\x12\x00\x0c\x00\x01\x00"
           "\x76\x65\x74\x68",
           20);
    *(uint64_t*)0x20000008 = 0x48;
    *(uint64_t*)0x20000058 = 1;
    *(uint64_t*)0x20000060 = 0;
    *(uint64_t*)0x20000068 = 0;
    *(uint32_t*)0x20000070 = 0;
    syscall(__NR_sendmsg, r[1], 0x20000040ul, 0ul);
    break;
  case 6:
    *(uint64_t*)0x20000040 = 0;
    *(uint32_t*)0x20000048 = 0;
    *(uint64_t*)0x20000050 = 0x20000100;
    *(uint64_t*)0x20000100 = 0x20000240;
    *(uint32_t*)0x20000240 = 0x38;
    *(uint16_t*)0x20000244 = 0x24;
    *(uint16_t*)0x20000246 = 0xf1d;
    *(uint32_t*)0x20000248 = 0;
    *(uint32_t*)0x2000024c = 0;
    *(uint8_t*)0x20000250 = 0;
    *(uint8_t*)0x20000251 = 0;
    *(uint16_t*)0x20000252 = 0;
    *(uint32_t*)0x20000254 = r[3];
    *(uint16_t*)0x20000258 = 0;
    *(uint16_t*)0x2000025a = 0;
    *(uint16_t*)0x2000025c = 0xfff1;
    *(uint16_t*)0x2000025e = -1;
    *(uint16_t*)0x20000260 = 0;
    *(uint16_t*)0x20000262 = 0;
    *(uint16_t*)0x20000264 = 8;
    *(uint16_t*)0x20000266 = 1;
    memcpy((void*)0x20000268, "pie\000", 4);
    *(uint16_t*)0x2000026c = 0xc;
    *(uint16_t*)0x2000026e = 2;
    *(uint16_t*)0x20000270 = 8;
    *(uint16_t*)0x20000272 = 1;
    *(uint32_t*)0x20000274 = 0;
    *(uint64_t*)0x20000108 = 0x38;
    *(uint64_t*)0x20000058 = 1;
    *(uint64_t*)0x20000060 = 0x300;
    *(uint64_t*)0x20000068 = 0;
    *(uint32_t*)0x20000070 = 0;
    syscall(__NR_sendmsg, r[0], 0x20000040ul, 0ul);
    break;
  case 7:
    *(uint32_t*)0x20000440 = 1;
    *(uint32_t*)0x20000444 = 0x80;
    *(uint8_t*)0x20000448 = 0;
    *(uint8_t*)0x20000449 = 0;
    *(uint8_t*)0x2000044a = 0;
    *(uint8_t*)0x2000044b = 0;
    *(uint32_t*)0x2000044c = 0;
    *(uint64_t*)0x20000450 = 0x41bd;
    *(uint64_t*)0x20000458 = 0;
    *(uint64_t*)0x20000460 = 0;
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 0, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 1, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 2, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 3, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 4, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 5, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 6, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 7, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 8, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 9, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 10, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 11, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 12, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 13, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 14, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 15, 2);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 17, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 18, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 19, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 20, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 21, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 22, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 23, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 24, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 25, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 26, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 27, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 28, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 29, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 30, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 31, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 32, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 33, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 34, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 35, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 36, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 37, 1);
    STORE_BY_BITMASK(uint64_t, , 0x20000468, 0, 38, 26);
    *(uint32_t*)0x20000470 = 0;
    *(uint32_t*)0x20000474 = 0;
    *(uint64_t*)0x20000478 = 0;
    *(uint64_t*)0x20000480 = 5;
    *(uint64_t*)0x20000488 = 0;
    *(uint64_t*)0x20000490 = 0;
    *(uint32_t*)0x20000498 = 0;
    *(uint32_t*)0x2000049c = 0;
    *(uint64_t*)0x200004a0 = 0;
    *(uint32_t*)0x200004a8 = 0;
    *(uint16_t*)0x200004ac = 0;
    *(uint16_t*)0x200004ae = 0;
    *(uint32_t*)0x200004b0 = 0;
    *(uint32_t*)0x200004b4 = 0;
    *(uint64_t*)0x200004b8 = 0;
    syscall(__NR_perf_event_open, 0x20000440ul, 0, -1ul, -1, 0ul);
    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);
  do_sandbox_none();
  return 0;
}