// https://syzkaller.appspot.com/bug?id=ddfaf1d75a1db3b0ed9dfa5bb615a2d50dd8f1da
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/futex.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;
  for (i = 0; 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_RELAXED))
      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;
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  int i;
  for (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");
}

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 < 9; 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, 45);
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

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

void execute_call(int call)
{
  intptr_t res;
  switch (call) {
  case 0:
    res = syscall(__NR_socket, 2ul, 2ul, 0ul);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    memcpy((void*)0x20000700, "filter\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000",
           32);
    *(uint32_t*)0x20000720 = 0xe;
    *(uint32_t*)0x20000724 = 4;
    *(uint32_t*)0x20000728 = 0x3a8;
    *(uint32_t*)0x2000072c = 0;
    *(uint32_t*)0x20000730 = 0x1c0;
    *(uint32_t*)0x20000734 = 0;
    *(uint32_t*)0x20000738 = 0;
    *(uint32_t*)0x2000073c = 0;
    *(uint32_t*)0x20000740 = 0x310;
    *(uint32_t*)0x20000744 = 0x310;
    *(uint32_t*)0x20000748 = 0x310;
    *(uint32_t*)0x2000074c = 0x310;
    *(uint32_t*)0x20000750 = 0x310;
    *(uint32_t*)0x20000754 = 4;
    *(uint64_t*)0x20000758 = 0;
    *(uint32_t*)0x20000760 = htobe32(0x7f000001);
    *(uint8_t*)0x20000764 = 0xac;
    *(uint8_t*)0x20000765 = 0x14;
    *(uint8_t*)0x20000766 = 0x14;
    *(uint8_t*)0x20000767 = 0xbb;
    *(uint32_t*)0x20000768 = htobe32(0);
    *(uint32_t*)0x2000076c = htobe32(0);
    memcpy((void*)0x20000770, "gretap0\000\000\000\000\000\000\000\000\000",
           16);
    memcpy((void*)0x20000780, "dummy0\000\000\000\000\000\000\000\000\000\000",
           16);
    *(uint8_t*)0x20000790 = 0;
    *(uint8_t*)0x200007a0 = 0;
    *(uint16_t*)0x200007b0 = 0;
    *(uint8_t*)0x200007b2 = 0;
    *(uint8_t*)0x200007b3 = 0;
    *(uint32_t*)0x200007b4 = 0;
    *(uint16_t*)0x200007b8 = 0x198;
    *(uint16_t*)0x200007ba = 0x1c0;
    *(uint32_t*)0x200007bc = 0;
    *(uint64_t*)0x200007c0 = 0;
    *(uint64_t*)0x200007c8 = 0;
    *(uint16_t*)0x200007d0 = 0x30;
    memcpy((void*)0x200007d2, "addrtype\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000",
           29);
    *(uint8_t*)0x200007ef = 0;
    *(uint16_t*)0x200007f0 = 0;
    *(uint16_t*)0x200007f2 = 0;
    *(uint32_t*)0x200007f4 = 0;
    *(uint32_t*)0x200007f8 = 0;
    *(uint16_t*)0x20000800 = 0xf8;
    memcpy((void*)0x20000802, "recent\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000",
           29);
    *(uint8_t*)0x2000081f = 0;
    *(uint32_t*)0x20000820 = 0xffff;
    *(uint32_t*)0x20000824 = 5;
    *(uint8_t*)0x20000828 = 0x21;
    *(uint8_t*)0x20000829 = 0;
    memcpy((void*)0x2000082a,
           "syz1\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
           "\000\000\000\000\000",
           200);
    *(uint8_t*)0x200008f2 = 0;
    *(uint16_t*)0x200008f8 = 0x28;
    memcpy((void*)0x200008fa, "REJECT\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000",
           29);
    *(uint8_t*)0x20000917 = 0;
    *(uint32_t*)0x20000918 = 0;
    *(uint8_t*)0x20000920 = 0;
    *(uint8_t*)0x20000921 = 0;
    *(uint8_t*)0x20000922 = 0;
    *(uint8_t*)0x20000923 = 0;
    *(uint8_t*)0x20000924 = 0;
    *(uint8_t*)0x20000925 = 0;
    *(uint8_t*)0x20000926 = 0;
    *(uint8_t*)0x20000927 = 0;
    *(uint8_t*)0x20000928 = 0;
    *(uint8_t*)0x20000929 = 0;
    *(uint8_t*)0x2000092a = 0;
    *(uint8_t*)0x2000092b = 0;
    *(uint8_t*)0x2000092c = 0;
    *(uint8_t*)0x2000092d = 0;
    *(uint8_t*)0x2000092e = 0;
    *(uint8_t*)0x2000092f = 0;
    *(uint8_t*)0x20000930 = 0;
    *(uint8_t*)0x20000931 = 0;
    *(uint8_t*)0x20000932 = 0;
    *(uint8_t*)0x20000933 = 0;
    *(uint8_t*)0x20000934 = 0;
    *(uint8_t*)0x20000935 = 0;
    *(uint8_t*)0x20000936 = 0;
    *(uint8_t*)0x20000937 = 0;
    *(uint8_t*)0x20000938 = 0;
    *(uint8_t*)0x20000939 = 0;
    *(uint8_t*)0x2000093a = 0;
    *(uint8_t*)0x2000093b = 0;
    *(uint8_t*)0x2000093c = 0;
    *(uint8_t*)0x2000093d = 0;
    *(uint8_t*)0x2000093e = 0;
    *(uint8_t*)0x2000093f = 0;
    *(uint8_t*)0x20000940 = 0;
    *(uint8_t*)0x20000941 = 0;
    *(uint8_t*)0x20000942 = 0;
    *(uint8_t*)0x20000943 = 0;
    *(uint8_t*)0x20000944 = 0;
    *(uint8_t*)0x20000945 = 0;
    *(uint8_t*)0x20000946 = 0;
    *(uint8_t*)0x20000947 = 0;
    *(uint8_t*)0x20000948 = 0;
    *(uint8_t*)0x20000949 = 0;
    *(uint8_t*)0x2000094a = 0;
    *(uint8_t*)0x2000094b = 0;
    *(uint8_t*)0x2000094c = 0;
    *(uint8_t*)0x2000094d = 0;
    *(uint8_t*)0x2000094e = 0;
    *(uint8_t*)0x2000094f = 0;
    *(uint8_t*)0x20000950 = 0;
    *(uint8_t*)0x20000951 = 0;
    *(uint8_t*)0x20000952 = 0;
    *(uint8_t*)0x20000953 = 0;
    *(uint8_t*)0x20000954 = 0;
    *(uint8_t*)0x20000955 = 0;
    *(uint8_t*)0x20000956 = 0;
    *(uint8_t*)0x20000957 = 0;
    *(uint8_t*)0x20000958 = 0;
    *(uint8_t*)0x20000959 = 0;
    *(uint8_t*)0x2000095a = 0;
    *(uint8_t*)0x2000095b = 0;
    *(uint8_t*)0x2000095c = 0;
    *(uint8_t*)0x2000095d = 0;
    *(uint8_t*)0x2000095e = 0;
    *(uint8_t*)0x2000095f = 0;
    *(uint8_t*)0x20000960 = 0;
    *(uint8_t*)0x20000961 = 0;
    *(uint8_t*)0x20000962 = 0;
    *(uint8_t*)0x20000963 = 0;
    *(uint8_t*)0x20000964 = 0;
    *(uint8_t*)0x20000965 = 0;
    *(uint8_t*)0x20000966 = 0;
    *(uint8_t*)0x20000967 = 0;
    *(uint8_t*)0x20000968 = 0;
    *(uint8_t*)0x20000969 = 0;
    *(uint8_t*)0x2000096a = 0;
    *(uint8_t*)0x2000096b = 0;
    *(uint8_t*)0x2000096c = 0;
    *(uint8_t*)0x2000096d = 0;
    *(uint8_t*)0x2000096e = 0;
    *(uint8_t*)0x2000096f = 0;
    *(uint8_t*)0x20000970 = 0;
    *(uint8_t*)0x20000971 = 0;
    *(uint8_t*)0x20000972 = 0;
    *(uint8_t*)0x20000973 = 0;
    *(uint32_t*)0x20000974 = 0;
    *(uint16_t*)0x20000978 = 0x70;
    *(uint16_t*)0x2000097a = 0x98;
    *(uint32_t*)0x2000097c = 0;
    *(uint64_t*)0x20000980 = 0;
    *(uint64_t*)0x20000988 = 0;
    *(uint16_t*)0x20000990 = 0x28;
    memcpy((void*)0x20000992, "REJECT\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000",
           29);
    *(uint8_t*)0x200009af = 0;
    *(uint32_t*)0x200009b0 = 0;
    *(uint8_t*)0x200009b8 = 0;
    *(uint8_t*)0x200009b9 = 0;
    *(uint8_t*)0x200009ba = 0;
    *(uint8_t*)0x200009bb = 0;
    *(uint8_t*)0x200009bc = 0;
    *(uint8_t*)0x200009bd = 0;
    *(uint8_t*)0x200009be = 0;
    *(uint8_t*)0x200009bf = 0;
    *(uint8_t*)0x200009c0 = 0;
    *(uint8_t*)0x200009c1 = 0;
    *(uint8_t*)0x200009c2 = 0;
    *(uint8_t*)0x200009c3 = 0;
    *(uint8_t*)0x200009c4 = 0;
    *(uint8_t*)0x200009c5 = 0;
    *(uint8_t*)0x200009c6 = 0;
    *(uint8_t*)0x200009c7 = 0;
    *(uint8_t*)0x200009c8 = 0;
    *(uint8_t*)0x200009c9 = 0;
    *(uint8_t*)0x200009ca = 0;
    *(uint8_t*)0x200009cb = 0;
    *(uint8_t*)0x200009cc = 0;
    *(uint8_t*)0x200009cd = 0;
    *(uint8_t*)0x200009ce = 0;
    *(uint8_t*)0x200009cf = 0;
    *(uint8_t*)0x200009d0 = 0;
    *(uint8_t*)0x200009d1 = 0;
    *(uint8_t*)0x200009d2 = 0;
    *(uint8_t*)0x200009d3 = 0;
    *(uint8_t*)0x200009d4 = 0;
    *(uint8_t*)0x200009d5 = 0;
    *(uint8_t*)0x200009d6 = 0;
    *(uint8_t*)0x200009d7 = 0;
    *(uint8_t*)0x200009d8 = 0;
    *(uint8_t*)0x200009d9 = 0;
    *(uint8_t*)0x200009da = 0;
    *(uint8_t*)0x200009db = 0;
    *(uint8_t*)0x200009dc = 0;
    *(uint8_t*)0x200009dd = 0;
    *(uint8_t*)0x200009de = 0;
    *(uint8_t*)0x200009df = 0;
    *(uint8_t*)0x200009e0 = 0;
    *(uint8_t*)0x200009e1 = 0;
    *(uint8_t*)0x200009e2 = 0;
    *(uint8_t*)0x200009e3 = 0;
    *(uint8_t*)0x200009e4 = 0;
    *(uint8_t*)0x200009e5 = 0;
    *(uint8_t*)0x200009e6 = 0;
    *(uint8_t*)0x200009e7 = 0;
    *(uint8_t*)0x200009e8 = 0;
    *(uint8_t*)0x200009e9 = 0;
    *(uint8_t*)0x200009ea = 0;
    *(uint8_t*)0x200009eb = 0;
    *(uint8_t*)0x200009ec = 0;
    *(uint8_t*)0x200009ed = 0;
    *(uint8_t*)0x200009ee = 0;
    *(uint8_t*)0x200009ef = 0;
    *(uint8_t*)0x200009f0 = 0;
    *(uint8_t*)0x200009f1 = 0;
    *(uint8_t*)0x200009f2 = 0;
    *(uint8_t*)0x200009f3 = 0;
    *(uint8_t*)0x200009f4 = 0;
    *(uint8_t*)0x200009f5 = 0;
    *(uint8_t*)0x200009f6 = 0;
    *(uint8_t*)0x200009f7 = 0;
    *(uint8_t*)0x200009f8 = 0;
    *(uint8_t*)0x200009f9 = 0;
    *(uint8_t*)0x200009fa = 0;
    *(uint8_t*)0x200009fb = 0;
    *(uint8_t*)0x200009fc = 0;
    *(uint8_t*)0x200009fd = 0;
    *(uint8_t*)0x200009fe = 0;
    *(uint8_t*)0x200009ff = 0;
    *(uint8_t*)0x20000a00 = 0;
    *(uint8_t*)0x20000a01 = 0;
    *(uint8_t*)0x20000a02 = 0;
    *(uint8_t*)0x20000a03 = 0;
    *(uint8_t*)0x20000a04 = 0;
    *(uint8_t*)0x20000a05 = 0;
    *(uint8_t*)0x20000a06 = 0;
    *(uint8_t*)0x20000a07 = 0;
    *(uint8_t*)0x20000a08 = 0;
    *(uint8_t*)0x20000a09 = 0;
    *(uint8_t*)0x20000a0a = 0;
    *(uint8_t*)0x20000a0b = 0;
    *(uint32_t*)0x20000a0c = 0;
    *(uint16_t*)0x20000a10 = 0x70;
    *(uint16_t*)0x20000a12 = 0xb8;
    *(uint32_t*)0x20000a14 = 0;
    *(uint64_t*)0x20000a18 = 0;
    *(uint64_t*)0x20000a20 = 0;
    *(uint16_t*)0x20000a28 = 0x48;
    memcpy((void*)0x20000a2a, "TEE\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000",
           29);
    *(uint8_t*)0x20000a47 = 1;
    *(uint8_t*)0x20000a48 = 0xac;
    *(uint8_t*)0x20000a49 = 0x14;
    *(uint8_t*)0x20000a4a = 0x14;
    *(uint8_t*)0x20000a4b = 0xbb;
    memcpy((void*)0x20000a58, "veth0_to_bond\000\000\000", 16);
    *(uint64_t*)0x20000a68 = 0;
    *(uint8_t*)0x20000a70 = 0;
    *(uint8_t*)0x20000a71 = 0;
    *(uint8_t*)0x20000a72 = 0;
    *(uint8_t*)0x20000a73 = 0;
    *(uint8_t*)0x20000a74 = 0;
    *(uint8_t*)0x20000a75 = 0;
    *(uint8_t*)0x20000a76 = 0;
    *(uint8_t*)0x20000a77 = 0;
    *(uint8_t*)0x20000a78 = 0;
    *(uint8_t*)0x20000a79 = 0;
    *(uint8_t*)0x20000a7a = 0;
    *(uint8_t*)0x20000a7b = 0;
    *(uint8_t*)0x20000a7c = 0;
    *(uint8_t*)0x20000a7d = 0;
    *(uint8_t*)0x20000a7e = 0;
    *(uint8_t*)0x20000a7f = 0;
    *(uint8_t*)0x20000a80 = 0;
    *(uint8_t*)0x20000a81 = 0;
    *(uint8_t*)0x20000a82 = 0;
    *(uint8_t*)0x20000a83 = 0;
    *(uint8_t*)0x20000a84 = 0;
    *(uint8_t*)0x20000a85 = 0;
    *(uint8_t*)0x20000a86 = 0;
    *(uint8_t*)0x20000a87 = 0;
    *(uint8_t*)0x20000a88 = 0;
    *(uint8_t*)0x20000a89 = 0;
    *(uint8_t*)0x20000a8a = 0;
    *(uint8_t*)0x20000a8b = 0;
    *(uint8_t*)0x20000a8c = 0;
    *(uint8_t*)0x20000a8d = 0;
    *(uint8_t*)0x20000a8e = 0;
    *(uint8_t*)0x20000a8f = 0;
    *(uint8_t*)0x20000a90 = 0;
    *(uint8_t*)0x20000a91 = 0;
    *(uint8_t*)0x20000a92 = 0;
    *(uint8_t*)0x20000a93 = 0;
    *(uint8_t*)0x20000a94 = 0;
    *(uint8_t*)0x20000a95 = 0;
    *(uint8_t*)0x20000a96 = 0;
    *(uint8_t*)0x20000a97 = 0;
    *(uint8_t*)0x20000a98 = 0;
    *(uint8_t*)0x20000a99 = 0;
    *(uint8_t*)0x20000a9a = 0;
    *(uint8_t*)0x20000a9b = 0;
    *(uint8_t*)0x20000a9c = 0;
    *(uint8_t*)0x20000a9d = 0;
    *(uint8_t*)0x20000a9e = 0;
    *(uint8_t*)0x20000a9f = 0;
    *(uint8_t*)0x20000aa0 = 0;
    *(uint8_t*)0x20000aa1 = 0;
    *(uint8_t*)0x20000aa2 = 0;
    *(uint8_t*)0x20000aa3 = 0;
    *(uint8_t*)0x20000aa4 = 0;
    *(uint8_t*)0x20000aa5 = 0;
    *(uint8_t*)0x20000aa6 = 0;
    *(uint8_t*)0x20000aa7 = 0;
    *(uint8_t*)0x20000aa8 = 0;
    *(uint8_t*)0x20000aa9 = 0;
    *(uint8_t*)0x20000aaa = 0;
    *(uint8_t*)0x20000aab = 0;
    *(uint8_t*)0x20000aac = 0;
    *(uint8_t*)0x20000aad = 0;
    *(uint8_t*)0x20000aae = 0;
    *(uint8_t*)0x20000aaf = 0;
    *(uint8_t*)0x20000ab0 = 0;
    *(uint8_t*)0x20000ab1 = 0;
    *(uint8_t*)0x20000ab2 = 0;
    *(uint8_t*)0x20000ab3 = 0;
    *(uint8_t*)0x20000ab4 = 0;
    *(uint8_t*)0x20000ab5 = 0;
    *(uint8_t*)0x20000ab6 = 0;
    *(uint8_t*)0x20000ab7 = 0;
    *(uint8_t*)0x20000ab8 = 0;
    *(uint8_t*)0x20000ab9 = 0;
    *(uint8_t*)0x20000aba = 0;
    *(uint8_t*)0x20000abb = 0;
    *(uint8_t*)0x20000abc = 0;
    *(uint8_t*)0x20000abd = 0;
    *(uint8_t*)0x20000abe = 0;
    *(uint8_t*)0x20000abf = 0;
    *(uint8_t*)0x20000ac0 = 0;
    *(uint8_t*)0x20000ac1 = 0;
    *(uint8_t*)0x20000ac2 = 0;
    *(uint8_t*)0x20000ac3 = 0;
    *(uint32_t*)0x20000ac4 = 0;
    *(uint16_t*)0x20000ac8 = 0x70;
    *(uint16_t*)0x20000aca = 0x98;
    *(uint32_t*)0x20000acc = 0;
    *(uint64_t*)0x20000ad0 = 0;
    *(uint64_t*)0x20000ad8 = 0;
    *(uint16_t*)0x20000ae0 = 0x28;
    memcpy((void*)0x20000ae2, "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000\000\000\000\000\000\000\000"
                              "\000\000\000\000\000",
           29);
    *(uint8_t*)0x20000aff = 0;
    *(uint32_t*)0x20000b00 = 0xfffffffe;
    syscall(__NR_setsockopt, r[0], 0ul, 0x40ul, 0x20000700ul, 0x408ul);
    break;
  case 2:
    res = syscall(__NR_pipe, 0x20000040ul);
    if (res != -1) {
      r[1] = *(uint32_t*)0x20000040;
      r[2] = *(uint32_t*)0x20000044;
    }
    break;
  case 3:
    res = syscall(__NR_socket, 2ul, 2ul, 0ul);
    if (res != -1)
      r[3] = res;
    break;
  case 4:
    syscall(__NR_close, r[3]);
    break;
  case 5:
    *(uint64_t*)0x20000300 = 0;
    *(uint32_t*)0x20000308 = 0;
    *(uint64_t*)0x20000310 = 0x200002c0;
    *(uint64_t*)0x200002c0 = 0x20000000;
    memcpy((void*)0x20000000,
           "\x60\x00\x00\x00\x30\x00\x3d\xfa\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x4c\x00\x01\x00\x48\x00\x01\x00\x07\x00\x01\x00"
           "\x78\x74\x00\x00\x38\x00\x02\x80\x2a\x00\x06\x00\x26\x00\x00\x00"
           "\x6e\x67\x6c\x65\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x47\x3c\x02\xef\x00\x03\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x08\x00\x02",
           87);
    *(uint64_t*)0x200002c8 = 1;
    *(uint64_t*)0x20000318 = 1;
    *(uint64_t*)0x20000320 = 0;
    *(uint64_t*)0x20000328 = 0;
    *(uint32_t*)0x20000330 = 0;
    syscall(__NR_sendmsg, -1, 0x20000300ul, 0ul);
    break;
  case 6:
    syscall(__NR_write, r[2], 0x20000000ul, 0xfffffeccul);
    break;
  case 7:
    syscall(__NR_socket, 0x10ul, 3ul, 0ul);
    break;
  case 8:
    syscall(__NR_splice, r[1], 0ul, r[3], 0ul, 0x4ffe0ul, 0ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x32ul, -1, 0);
  loop();
  return 0;
}