// 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*)0x200009c0, "mangle\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*)0x200009e0 = 0x1f;
    *(uint32_t*)0x200009e4 = 6;
    *(uint32_t*)0x200009e8 = 0x3b0;
    *(uint32_t*)0x200009ec = 0x98;
    *(uint32_t*)0x200009f0 = 0x98;
    *(uint32_t*)0x200009f4 = 0x130;
    *(uint32_t*)0x200009f8 = 0x1e8;
    *(uint32_t*)0x200009fc = 0;
    *(uint32_t*)0x20000a00 = 0x318;
    *(uint32_t*)0x20000a04 = 0x318;
    *(uint32_t*)0x20000a08 = 0x318;
    *(uint32_t*)0x20000a0c = 0x318;
    *(uint32_t*)0x20000a10 = 0x318;
    *(uint32_t*)0x20000a14 = 6;
    *(uint64_t*)0x20000a18 = 0;
    *(uint8_t*)0x20000a20 = 0;
    *(uint8_t*)0x20000a21 = 0;
    *(uint8_t*)0x20000a22 = 0;
    *(uint8_t*)0x20000a23 = 0;
    *(uint8_t*)0x20000a24 = 0;
    *(uint8_t*)0x20000a25 = 0;
    *(uint8_t*)0x20000a26 = 0;
    *(uint8_t*)0x20000a27 = 0;
    *(uint8_t*)0x20000a28 = 0;
    *(uint8_t*)0x20000a29 = 0;
    *(uint8_t*)0x20000a2a = 0;
    *(uint8_t*)0x20000a2b = 0;
    *(uint8_t*)0x20000a2c = 0;
    *(uint8_t*)0x20000a2d = 0;
    *(uint8_t*)0x20000a2e = 0;
    *(uint8_t*)0x20000a2f = 0;
    *(uint8_t*)0x20000a30 = 0;
    *(uint8_t*)0x20000a31 = 0;
    *(uint8_t*)0x20000a32 = 0;
    *(uint8_t*)0x20000a33 = 0;
    *(uint8_t*)0x20000a34 = 0;
    *(uint8_t*)0x20000a35 = 0;
    *(uint8_t*)0x20000a36 = 0;
    *(uint8_t*)0x20000a37 = 0;
    *(uint8_t*)0x20000a38 = 0;
    *(uint8_t*)0x20000a39 = 0;
    *(uint8_t*)0x20000a3a = 0;
    *(uint8_t*)0x20000a3b = 0;
    *(uint8_t*)0x20000a3c = 0;
    *(uint8_t*)0x20000a3d = 0;
    *(uint8_t*)0x20000a3e = 0;
    *(uint8_t*)0x20000a3f = 0;
    *(uint8_t*)0x20000a40 = 0;
    *(uint8_t*)0x20000a41 = 0;
    *(uint8_t*)0x20000a42 = 0;
    *(uint8_t*)0x20000a43 = 0;
    *(uint8_t*)0x20000a44 = 0;
    *(uint8_t*)0x20000a45 = 0;
    *(uint8_t*)0x20000a46 = 0;
    *(uint8_t*)0x20000a47 = 0;
    *(uint8_t*)0x20000a48 = 0;
    *(uint8_t*)0x20000a49 = 0;
    *(uint8_t*)0x20000a4a = 0;
    *(uint8_t*)0x20000a4b = 0;
    *(uint8_t*)0x20000a4c = 0;
    *(uint8_t*)0x20000a4d = 0;
    *(uint8_t*)0x20000a4e = 0;
    *(uint8_t*)0x20000a4f = 0;
    *(uint8_t*)0x20000a50 = 0;
    *(uint8_t*)0x20000a51 = 0;
    *(uint8_t*)0x20000a52 = 0;
    *(uint8_t*)0x20000a53 = 0;
    *(uint8_t*)0x20000a54 = 0;
    *(uint8_t*)0x20000a55 = 0;
    *(uint8_t*)0x20000a56 = 0;
    *(uint8_t*)0x20000a57 = 0;
    *(uint8_t*)0x20000a58 = 0;
    *(uint8_t*)0x20000a59 = 0;
    *(uint8_t*)0x20000a5a = 0;
    *(uint8_t*)0x20000a5b = 0;
    *(uint8_t*)0x20000a5c = 0;
    *(uint8_t*)0x20000a5d = 0;
    *(uint8_t*)0x20000a5e = 0;
    *(uint8_t*)0x20000a5f = 0;
    *(uint8_t*)0x20000a60 = 0;
    *(uint8_t*)0x20000a61 = 0;
    *(uint8_t*)0x20000a62 = 0;
    *(uint8_t*)0x20000a63 = 0;
    *(uint8_t*)0x20000a64 = 0;
    *(uint8_t*)0x20000a65 = 0;
    *(uint8_t*)0x20000a66 = 0;
    *(uint8_t*)0x20000a67 = 0;
    *(uint8_t*)0x20000a68 = 0;
    *(uint8_t*)0x20000a69 = 0;
    *(uint8_t*)0x20000a6a = 0;
    *(uint8_t*)0x20000a6b = 0;
    *(uint8_t*)0x20000a6c = 0;
    *(uint8_t*)0x20000a6d = 0;
    *(uint8_t*)0x20000a6e = 0;
    *(uint8_t*)0x20000a6f = 0;
    *(uint8_t*)0x20000a70 = 0;
    *(uint8_t*)0x20000a71 = 0;
    *(uint8_t*)0x20000a72 = 0;
    *(uint8_t*)0x20000a73 = 0;
    *(uint32_t*)0x20000a74 = 0;
    *(uint16_t*)0x20000a78 = 0x70;
    *(uint16_t*)0x20000a7a = 0x98;
    *(uint32_t*)0x20000a7c = 0;
    *(uint64_t*)0x20000a80 = 0;
    *(uint64_t*)0x20000a88 = 0;
    *(uint16_t*)0x20000a90 = 0x28;
    memcpy((void*)0x20000a92, "TTL\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*)0x20000aaf = 0;
    *(uint8_t*)0x20000ab0 = 1;
    *(uint8_t*)0x20000ab1 = 5;
    *(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;
    *(uint8_t*)0x20000ac4 = 0;
    *(uint8_t*)0x20000ac5 = 0;
    *(uint8_t*)0x20000ac6 = 0;
    *(uint8_t*)0x20000ac7 = 0;
    *(uint8_t*)0x20000ac8 = 0;
    *(uint8_t*)0x20000ac9 = 0;
    *(uint8_t*)0x20000aca = 0;
    *(uint8_t*)0x20000acb = 0;
    *(uint8_t*)0x20000acc = 0;
    *(uint8_t*)0x20000acd = 0;
    *(uint8_t*)0x20000ace = 0;
    *(uint8_t*)0x20000acf = 0;
    *(uint8_t*)0x20000ad0 = 0;
    *(uint8_t*)0x20000ad1 = 0;
    *(uint8_t*)0x20000ad2 = 0;
    *(uint8_t*)0x20000ad3 = 0;
    *(uint8_t*)0x20000ad4 = 0;
    *(uint8_t*)0x20000ad5 = 0;
    *(uint8_t*)0x20000ad6 = 0;
    *(uint8_t*)0x20000ad7 = 0;
    *(uint8_t*)0x20000ad8 = 0;
    *(uint8_t*)0x20000ad9 = 0;
    *(uint8_t*)0x20000ada = 0;
    *(uint8_t*)0x20000adb = 0;
    *(uint8_t*)0x20000adc = 0;
    *(uint8_t*)0x20000add = 0;
    *(uint8_t*)0x20000ade = 0;
    *(uint8_t*)0x20000adf = 0;
    *(uint8_t*)0x20000ae0 = 0;
    *(uint8_t*)0x20000ae1 = 0;
    *(uint8_t*)0x20000ae2 = 0;
    *(uint8_t*)0x20000ae3 = 0;
    *(uint8_t*)0x20000ae4 = 0;
    *(uint8_t*)0x20000ae5 = 0;
    *(uint8_t*)0x20000ae6 = 0;
    *(uint8_t*)0x20000ae7 = 0;
    *(uint8_t*)0x20000ae8 = 0;
    *(uint8_t*)0x20000ae9 = 0;
    *(uint8_t*)0x20000aea = 0;
    *(uint8_t*)0x20000aeb = 0;
    *(uint8_t*)0x20000aec = 0;
    *(uint8_t*)0x20000aed = 0;
    *(uint8_t*)0x20000aee = 0;
    *(uint8_t*)0x20000aef = 0;
    *(uint8_t*)0x20000af0 = 0;
    *(uint8_t*)0x20000af1 = 0;
    *(uint8_t*)0x20000af2 = 0;
    *(uint8_t*)0x20000af3 = 0;
    *(uint8_t*)0x20000af4 = 0;
    *(uint8_t*)0x20000af5 = 0;
    *(uint8_t*)0x20000af6 = 0;
    *(uint8_t*)0x20000af7 = 0;
    *(uint8_t*)0x20000af8 = 0;
    *(uint8_t*)0x20000af9 = 0;
    *(uint8_t*)0x20000afa = 0;
    *(uint8_t*)0x20000afb = 0;
    *(uint8_t*)0x20000afc = 0;
    *(uint8_t*)0x20000afd = 0;
    *(uint8_t*)0x20000afe = 0;
    *(uint8_t*)0x20000aff = 0;
    *(uint8_t*)0x20000b00 = 0;
    *(uint8_t*)0x20000b01 = 0;
    *(uint8_t*)0x20000b02 = 0;
    *(uint8_t*)0x20000b03 = 0;
    *(uint8_t*)0x20000b04 = 0;
    *(uint8_t*)0x20000b05 = 0;
    *(uint8_t*)0x20000b06 = 0;
    *(uint8_t*)0x20000b07 = 0;
    *(uint8_t*)0x20000b08 = 0;
    *(uint8_t*)0x20000b09 = 0;
    *(uint8_t*)0x20000b0a = 0;
    *(uint8_t*)0x20000b0b = 0;
    *(uint32_t*)0x20000b0c = 0;
    *(uint16_t*)0x20000b10 = 0x70;
    *(uint16_t*)0x20000b12 = 0x98;
    *(uint32_t*)0x20000b14 = 0;
    *(uint64_t*)0x20000b18 = 0;
    *(uint64_t*)0x20000b20 = 0;
    *(uint16_t*)0x20000b28 = 0x28;
    memcpy((void*)0x20000b2a, "TTL\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*)0x20000b47 = 0;
    *(uint8_t*)0x20000b48 = 0;
    *(uint8_t*)0x20000b49 = 0;
    *(uint32_t*)0x20000b50 = htobe32(0xe0000002);
    *(uint8_t*)0x20000b54 = 0xac;
    *(uint8_t*)0x20000b55 = 0x14;
    *(uint8_t*)0x20000b56 = 0x14;
    *(uint8_t*)0x20000b57 = 0xaa;
    *(uint32_t*)0x20000b58 = htobe32(0);
    *(uint32_t*)0x20000b5c = htobe32(0);
    memcpy((void*)0x20000b60,
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000",
           16);
    memcpy((void*)0x20000b70, "erspan0\000\000\000\000\000\000\000\000\000",
           16);
    *(uint8_t*)0x20000b80 = 0;
    *(uint8_t*)0x20000b90 = 0;
    *(uint16_t*)0x20000ba0 = 0;
    *(uint8_t*)0x20000ba2 = 0;
    *(uint8_t*)0x20000ba3 = 0;
    *(uint32_t*)0x20000ba4 = 0;
    *(uint16_t*)0x20000ba8 = 0x70;
    *(uint16_t*)0x20000baa = 0xb8;
    *(uint32_t*)0x20000bac = 0;
    *(uint64_t*)0x20000bb0 = 0;
    *(uint64_t*)0x20000bb8 = 0;
    *(uint16_t*)0x20000bc0 = 0x48;
    memcpy((void*)0x20000bc2, "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*)0x20000bdf = 1;
    *(uint8_t*)0x20000be0 = -1;
    *(uint8_t*)0x20000be1 = 2;
    *(uint8_t*)0x20000be2 = 0;
    *(uint8_t*)0x20000be3 = 0;
    *(uint8_t*)0x20000be4 = 0;
    *(uint8_t*)0x20000be5 = 0;
    *(uint8_t*)0x20000be6 = 0;
    *(uint8_t*)0x20000be7 = 0;
    *(uint8_t*)0x20000be8 = 0;
    *(uint8_t*)0x20000be9 = 0;
    *(uint8_t*)0x20000bea = 0;
    *(uint8_t*)0x20000beb = 0;
    *(uint8_t*)0x20000bec = 0;
    *(uint8_t*)0x20000bed = 0;
    *(uint8_t*)0x20000bee = 0;
    *(uint8_t*)0x20000bef = 1;
    memcpy((void*)0x20000bf0,
           "gre0\000\000\000\000\000\000\000\000\000\000\000\000", 16);
    *(uint64_t*)0x20000c00 = 0;
    *(uint8_t*)0x20000c08 = 0;
    *(uint8_t*)0x20000c09 = 0;
    *(uint8_t*)0x20000c0a = 0;
    *(uint8_t*)0x20000c0b = 0;
    *(uint8_t*)0x20000c0c = 0;
    *(uint8_t*)0x20000c0d = 0;
    *(uint8_t*)0x20000c0e = 0;
    *(uint8_t*)0x20000c0f = 0;
    *(uint8_t*)0x20000c10 = 0;
    *(uint8_t*)0x20000c11 = 0;
    *(uint8_t*)0x20000c12 = 0;
    *(uint8_t*)0x20000c13 = 0;
    *(uint8_t*)0x20000c14 = 0;
    *(uint8_t*)0x20000c15 = 0;
    *(uint8_t*)0x20000c16 = 0;
    *(uint8_t*)0x20000c17 = 0;
    *(uint8_t*)0x20000c18 = 0;
    *(uint8_t*)0x20000c19 = 0;
    *(uint8_t*)0x20000c1a = 0;
    *(uint8_t*)0x20000c1b = 0;
    *(uint8_t*)0x20000c1c = 0;
    *(uint8_t*)0x20000c1d = 0;
    *(uint8_t*)0x20000c1e = 0;
    *(uint8_t*)0x20000c1f = 0;
    *(uint8_t*)0x20000c20 = 0;
    *(uint8_t*)0x20000c21 = 0;
    *(uint8_t*)0x20000c22 = 0;
    *(uint8_t*)0x20000c23 = 0;
    *(uint8_t*)0x20000c24 = 0;
    *(uint8_t*)0x20000c25 = 0;
    *(uint8_t*)0x20000c26 = 0;
    *(uint8_t*)0x20000c27 = 0;
    *(uint8_t*)0x20000c28 = 0;
    *(uint8_t*)0x20000c29 = 0;
    *(uint8_t*)0x20000c2a = 0;
    *(uint8_t*)0x20000c2b = 0;
    *(uint8_t*)0x20000c2c = 0;
    *(uint8_t*)0x20000c2d = 0;
    *(uint8_t*)0x20000c2e = 0;
    *(uint8_t*)0x20000c2f = 0;
    *(uint8_t*)0x20000c30 = 0;
    *(uint8_t*)0x20000c31 = 0;
    *(uint8_t*)0x20000c32 = 0;
    *(uint8_t*)0x20000c33 = 0;
    *(uint8_t*)0x20000c34 = 0;
    *(uint8_t*)0x20000c35 = 0;
    *(uint8_t*)0x20000c36 = 0;
    *(uint8_t*)0x20000c37 = 0;
    *(uint8_t*)0x20000c38 = 0;
    *(uint8_t*)0x20000c39 = 0;
    *(uint8_t*)0x20000c3a = 0;
    *(uint8_t*)0x20000c3b = 0;
    *(uint8_t*)0x20000c3c = 0;
    *(uint8_t*)0x20000c3d = 0;
    *(uint8_t*)0x20000c3e = 0;
    *(uint8_t*)0x20000c3f = 0;
    *(uint8_t*)0x20000c40 = 0;
    *(uint8_t*)0x20000c41 = 0;
    *(uint8_t*)0x20000c42 = 0;
    *(uint8_t*)0x20000c43 = 0;
    *(uint8_t*)0x20000c44 = 0;
    *(uint8_t*)0x20000c45 = 0;
    *(uint8_t*)0x20000c46 = 0;
    *(uint8_t*)0x20000c47 = 0;
    *(uint8_t*)0x20000c48 = 0;
    *(uint8_t*)0x20000c49 = 0;
    *(uint8_t*)0x20000c4a = 0;
    *(uint8_t*)0x20000c4b = 0;
    *(uint8_t*)0x20000c4c = 0;
    *(uint8_t*)0x20000c4d = 0;
    *(uint8_t*)0x20000c4e = 0;
    *(uint8_t*)0x20000c4f = 0;
    *(uint8_t*)0x20000c50 = 0;
    *(uint8_t*)0x20000c51 = 0;
    *(uint8_t*)0x20000c52 = 0;
    *(uint8_t*)0x20000c53 = 0;
    *(uint8_t*)0x20000c54 = 0;
    *(uint8_t*)0x20000c55 = 0;
    *(uint8_t*)0x20000c56 = 0;
    *(uint8_t*)0x20000c57 = 0;
    *(uint8_t*)0x20000c58 = 0;
    *(uint8_t*)0x20000c59 = 0;
    *(uint8_t*)0x20000c5a = 0;
    *(uint8_t*)0x20000c5b = 0;
    *(uint32_t*)0x20000c5c = 0;
    *(uint16_t*)0x20000c60 = 0x70;
    *(uint16_t*)0x20000c62 = 0x98;
    *(uint32_t*)0x20000c64 = 0;
    *(uint64_t*)0x20000c68 = 0;
    *(uint64_t*)0x20000c70 = 0;
    *(uint16_t*)0x20000c78 = 0x28;
    memcpy((void*)0x20000c7a, "DSCP\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*)0x20000c97 = 0;
    *(uint8_t*)0x20000c98 = 0;
    *(uint8_t*)0x20000ca0 = 0;
    *(uint8_t*)0x20000ca1 = 0;
    *(uint8_t*)0x20000ca2 = 0;
    *(uint8_t*)0x20000ca3 = 0;
    *(uint8_t*)0x20000ca4 = 0;
    *(uint8_t*)0x20000ca5 = 0;
    *(uint8_t*)0x20000ca6 = 0;
    *(uint8_t*)0x20000ca7 = 0;
    *(uint8_t*)0x20000ca8 = 0;
    *(uint8_t*)0x20000ca9 = 0;
    *(uint8_t*)0x20000caa = 0;
    *(uint8_t*)0x20000cab = 0;
    *(uint8_t*)0x20000cac = 0;
    *(uint8_t*)0x20000cad = 0;
    *(uint8_t*)0x20000cae = 0;
    *(uint8_t*)0x20000caf = 0;
    *(uint8_t*)0x20000cb0 = 0;
    *(uint8_t*)0x20000cb1 = 0;
    *(uint8_t*)0x20000cb2 = 0;
    *(uint8_t*)0x20000cb3 = 0;
    *(uint8_t*)0x20000cb4 = 0;
    *(uint8_t*)0x20000cb5 = 0;
    *(uint8_t*)0x20000cb6 = 0;
    *(uint8_t*)0x20000cb7 = 0;
    *(uint8_t*)0x20000cb8 = 0;
    *(uint8_t*)0x20000cb9 = 0;
    *(uint8_t*)0x20000cba = 0;
    *(uint8_t*)0x20000cbb = 0;
    *(uint8_t*)0x20000cbc = 0;
    *(uint8_t*)0x20000cbd = 0;
    *(uint8_t*)0x20000cbe = 0;
    *(uint8_t*)0x20000cbf = 0;
    *(uint8_t*)0x20000cc0 = 0;
    *(uint8_t*)0x20000cc1 = 0;
    *(uint8_t*)0x20000cc2 = 0;
    *(uint8_t*)0x20000cc3 = 0;
    *(uint8_t*)0x20000cc4 = 0;
    *(uint8_t*)0x20000cc5 = 0;
    *(uint8_t*)0x20000cc6 = 0;
    *(uint8_t*)0x20000cc7 = 0;
    *(uint8_t*)0x20000cc8 = 0;
    *(uint8_t*)0x20000cc9 = 0;
    *(uint8_t*)0x20000cca = 0;
    *(uint8_t*)0x20000ccb = 0;
    *(uint8_t*)0x20000ccc = 0;
    *(uint8_t*)0x20000ccd = 0;
    *(uint8_t*)0x20000cce = 0;
    *(uint8_t*)0x20000ccf = 0;
    *(uint8_t*)0x20000cd0 = 0;
    *(uint8_t*)0x20000cd1 = 0;
    *(uint8_t*)0x20000cd2 = 0;
    *(uint8_t*)0x20000cd3 = 0;
    *(uint8_t*)0x20000cd4 = 0;
    *(uint8_t*)0x20000cd5 = 0;
    *(uint8_t*)0x20000cd6 = 0;
    *(uint8_t*)0x20000cd7 = 0;
    *(uint8_t*)0x20000cd8 = 0;
    *(uint8_t*)0x20000cd9 = 0;
    *(uint8_t*)0x20000cda = 0;
    *(uint8_t*)0x20000cdb = 0;
    *(uint8_t*)0x20000cdc = 0;
    *(uint8_t*)0x20000cdd = 0;
    *(uint8_t*)0x20000cde = 0;
    *(uint8_t*)0x20000cdf = 0;
    *(uint8_t*)0x20000ce0 = 0;
    *(uint8_t*)0x20000ce1 = 0;
    *(uint8_t*)0x20000ce2 = 0;
    *(uint8_t*)0x20000ce3 = 0;
    *(uint8_t*)0x20000ce4 = 0;
    *(uint8_t*)0x20000ce5 = 0;
    *(uint8_t*)0x20000ce6 = 0;
    *(uint8_t*)0x20000ce7 = 0;
    *(uint8_t*)0x20000ce8 = 0;
    *(uint8_t*)0x20000ce9 = 0;
    *(uint8_t*)0x20000cea = 0;
    *(uint8_t*)0x20000ceb = 0;
    *(uint8_t*)0x20000cec = 0;
    *(uint8_t*)0x20000ced = 0;
    *(uint8_t*)0x20000cee = 0;
    *(uint8_t*)0x20000cef = 0;
    *(uint8_t*)0x20000cf0 = 0;
    *(uint8_t*)0x20000cf1 = 0;
    *(uint8_t*)0x20000cf2 = 0;
    *(uint8_t*)0x20000cf3 = 0;
    *(uint32_t*)0x20000cf4 = 0;
    *(uint16_t*)0x20000cf8 = 0x70;
    *(uint16_t*)0x20000cfa = 0x98;
    *(uint32_t*)0x20000cfc = 0;
    *(uint64_t*)0x20000d00 = 0;
    *(uint64_t*)0x20000d08 = 0;
    *(uint16_t*)0x20000d10 = 0x28;
    memcpy((void*)0x20000d12, "ECN\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*)0x20000d2f = 0;
    *(uint8_t*)0x20000d30 = 0;
    *(uint8_t*)0x20000d31 = 0;
    *(uint8_t*)0x20000d32 = 0;
    *(uint8_t*)0x20000d38 = 0;
    *(uint8_t*)0x20000d39 = 0;
    *(uint8_t*)0x20000d3a = 0;
    *(uint8_t*)0x20000d3b = 0;
    *(uint8_t*)0x20000d3c = 0;
    *(uint8_t*)0x20000d3d = 0;
    *(uint8_t*)0x20000d3e = 0;
    *(uint8_t*)0x20000d3f = 0;
    *(uint8_t*)0x20000d40 = 0;
    *(uint8_t*)0x20000d41 = 0;
    *(uint8_t*)0x20000d42 = 0;
    *(uint8_t*)0x20000d43 = 0;
    *(uint8_t*)0x20000d44 = 0;
    *(uint8_t*)0x20000d45 = 0;
    *(uint8_t*)0x20000d46 = 0;
    *(uint8_t*)0x20000d47 = 0;
    *(uint8_t*)0x20000d48 = 0;
    *(uint8_t*)0x20000d49 = 0;
    *(uint8_t*)0x20000d4a = 0;
    *(uint8_t*)0x20000d4b = 0;
    *(uint8_t*)0x20000d4c = 0;
    *(uint8_t*)0x20000d4d = 0;
    *(uint8_t*)0x20000d4e = 0;
    *(uint8_t*)0x20000d4f = 0;
    *(uint8_t*)0x20000d50 = 0;
    *(uint8_t*)0x20000d51 = 0;
    *(uint8_t*)0x20000d52 = 0;
    *(uint8_t*)0x20000d53 = 0;
    *(uint8_t*)0x20000d54 = 0;
    *(uint8_t*)0x20000d55 = 0;
    *(uint8_t*)0x20000d56 = 0;
    *(uint8_t*)0x20000d57 = 0;
    *(uint8_t*)0x20000d58 = 0;
    *(uint8_t*)0x20000d59 = 0;
    *(uint8_t*)0x20000d5a = 0;
    *(uint8_t*)0x20000d5b = 0;
    *(uint8_t*)0x20000d5c = 0;
    *(uint8_t*)0x20000d5d = 0;
    *(uint8_t*)0x20000d5e = 0;
    *(uint8_t*)0x20000d5f = 0;
    *(uint8_t*)0x20000d60 = 0;
    *(uint8_t*)0x20000d61 = 0;
    *(uint8_t*)0x20000d62 = 0;
    *(uint8_t*)0x20000d63 = 0;
    *(uint8_t*)0x20000d64 = 0;
    *(uint8_t*)0x20000d65 = 0;
    *(uint8_t*)0x20000d66 = 0;
    *(uint8_t*)0x20000d67 = 0;
    *(uint8_t*)0x20000d68 = 0;
    *(uint8_t*)0x20000d69 = 0;
    *(uint8_t*)0x20000d6a = 0;
    *(uint8_t*)0x20000d6b = 0;
    *(uint8_t*)0x20000d6c = 0;
    *(uint8_t*)0x20000d6d = 0;
    *(uint8_t*)0x20000d6e = 0;
    *(uint8_t*)0x20000d6f = 0;
    *(uint8_t*)0x20000d70 = 0;
    *(uint8_t*)0x20000d71 = 0;
    *(uint8_t*)0x20000d72 = 0;
    *(uint8_t*)0x20000d73 = 0;
    *(uint8_t*)0x20000d74 = 0;
    *(uint8_t*)0x20000d75 = 0;
    *(uint8_t*)0x20000d76 = 0;
    *(uint8_t*)0x20000d77 = 0;
    *(uint8_t*)0x20000d78 = 0;
    *(uint8_t*)0x20000d79 = 0;
    *(uint8_t*)0x20000d7a = 0;
    *(uint8_t*)0x20000d7b = 0;
    *(uint8_t*)0x20000d7c = 0;
    *(uint8_t*)0x20000d7d = 0;
    *(uint8_t*)0x20000d7e = 0;
    *(uint8_t*)0x20000d7f = 0;
    *(uint8_t*)0x20000d80 = 0;
    *(uint8_t*)0x20000d81 = 0;
    *(uint8_t*)0x20000d82 = 0;
    *(uint8_t*)0x20000d83 = 0;
    *(uint8_t*)0x20000d84 = 0;
    *(uint8_t*)0x20000d85 = 0;
    *(uint8_t*)0x20000d86 = 0;
    *(uint8_t*)0x20000d87 = 0;
    *(uint8_t*)0x20000d88 = 0;
    *(uint8_t*)0x20000d89 = 0;
    *(uint8_t*)0x20000d8a = 0;
    *(uint8_t*)0x20000d8b = 0;
    *(uint32_t*)0x20000d8c = 0;
    *(uint16_t*)0x20000d90 = 0x70;
    *(uint16_t*)0x20000d92 = 0x98;
    *(uint32_t*)0x20000d94 = 0;
    *(uint64_t*)0x20000d98 = 0;
    *(uint64_t*)0x20000da0 = 0;
    *(uint16_t*)0x20000da8 = 0x28;
    memcpy((void*)0x20000daa, "\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*)0x20000dc7 = 0;
    *(uint32_t*)0x20000dc8 = 0xfffffffe;
    syscall(__NR_setsockopt, r[0], 0ul, 0x40ul, 0x200009c0ul, 0x410ul);
    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;
}