// https://syzkaller.appspot.com/bug?id=779a64ccaefd969d5d9bc72a7c4fe39598d53884
// 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 unsigned long long procid;

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);
}

#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;
}

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 < 5; 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[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    syscall(__NR_clone, 0x6e20cf00ul, 0ul, 0ul, 0ul, 0ul);
    break;
  case 1:
    res = syscall(__NR_socket, 0xaul, 0x80002ul, 0);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    memcpy((void*)0x20000a80, "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*)0x20000aa0 = 0xe;
    *(uint32_t*)0x20000aa4 = 4;
    *(uint32_t*)0x20000aa8 = 0x3b0;
    *(uint32_t*)0x20000aac = 0xd0;
    *(uint32_t*)0x20000ab0 = 0;
    *(uint32_t*)0x20000ab4 = 0;
    *(uint32_t*)0x20000ab8 = 0xd0;
    *(uint32_t*)0x20000abc = 0xd0;
    *(uint32_t*)0x20000ac0 = 0x2c0;
    *(uint32_t*)0x20000ac4 = 0x2e0;
    *(uint32_t*)0x20000ac8 = 0x2e0;
    *(uint32_t*)0x20000acc = 0x2e0;
    *(uint32_t*)0x20000ad0 = 0x2c0;
    *(uint32_t*)0x20000ad4 = 4;
    *(uint64_t*)0x20000ad8 = 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;
    *(uint8_t*)0x20000b0c = 0;
    *(uint8_t*)0x20000b0d = 0;
    *(uint8_t*)0x20000b0e = 0;
    *(uint8_t*)0x20000b0f = 0;
    *(uint8_t*)0x20000b10 = 0;
    *(uint8_t*)0x20000b11 = 0;
    *(uint8_t*)0x20000b12 = 0;
    *(uint8_t*)0x20000b13 = 0;
    *(uint8_t*)0x20000b14 = 0;
    *(uint8_t*)0x20000b15 = 0;
    *(uint8_t*)0x20000b16 = 0;
    *(uint8_t*)0x20000b17 = 0;
    *(uint8_t*)0x20000b18 = 0;
    *(uint8_t*)0x20000b19 = 0;
    *(uint8_t*)0x20000b1a = 0;
    *(uint8_t*)0x20000b1b = 0;
    *(uint8_t*)0x20000b1c = 0;
    *(uint8_t*)0x20000b1d = 0;
    *(uint8_t*)0x20000b1e = 0;
    *(uint8_t*)0x20000b1f = 0;
    *(uint8_t*)0x20000b20 = 0;
    *(uint8_t*)0x20000b21 = 0;
    *(uint8_t*)0x20000b22 = 0;
    *(uint8_t*)0x20000b23 = 0;
    *(uint8_t*)0x20000b24 = 0;
    *(uint8_t*)0x20000b25 = 0;
    *(uint8_t*)0x20000b26 = 0;
    *(uint8_t*)0x20000b27 = 0;
    *(uint8_t*)0x20000b28 = 0;
    *(uint8_t*)0x20000b29 = 0;
    *(uint8_t*)0x20000b2a = 0;
    *(uint8_t*)0x20000b2b = 0;
    *(uint8_t*)0x20000b2c = 0;
    *(uint8_t*)0x20000b2d = 0;
    *(uint8_t*)0x20000b2e = 0;
    *(uint8_t*)0x20000b2f = 0;
    *(uint8_t*)0x20000b30 = 0;
    *(uint8_t*)0x20000b31 = 0;
    *(uint8_t*)0x20000b32 = 0;
    *(uint8_t*)0x20000b33 = 0;
    *(uint8_t*)0x20000b34 = 0;
    *(uint8_t*)0x20000b35 = 0;
    *(uint8_t*)0x20000b36 = 0;
    *(uint8_t*)0x20000b37 = 0;
    *(uint8_t*)0x20000b38 = 0;
    *(uint8_t*)0x20000b39 = 0;
    *(uint8_t*)0x20000b3a = 0;
    *(uint8_t*)0x20000b3b = 0;
    *(uint8_t*)0x20000b3c = 0;
    *(uint8_t*)0x20000b3d = 0;
    *(uint8_t*)0x20000b3e = 0;
    *(uint8_t*)0x20000b3f = 0;
    *(uint8_t*)0x20000b40 = 0;
    *(uint8_t*)0x20000b41 = 0;
    *(uint8_t*)0x20000b42 = 0;
    *(uint8_t*)0x20000b43 = 0;
    *(uint8_t*)0x20000b44 = 0;
    *(uint8_t*)0x20000b45 = 0;
    *(uint8_t*)0x20000b46 = 0;
    *(uint8_t*)0x20000b47 = 0;
    *(uint8_t*)0x20000b48 = 0;
    *(uint8_t*)0x20000b49 = 0;
    *(uint8_t*)0x20000b4a = 0;
    *(uint8_t*)0x20000b4b = 0;
    *(uint8_t*)0x20000b4c = 0;
    *(uint8_t*)0x20000b4d = 0;
    *(uint8_t*)0x20000b4e = 0;
    *(uint8_t*)0x20000b4f = 0;
    *(uint8_t*)0x20000b50 = 0;
    *(uint8_t*)0x20000b51 = 0;
    *(uint8_t*)0x20000b52 = 0;
    *(uint8_t*)0x20000b53 = 0;
    *(uint8_t*)0x20000b54 = 0;
    *(uint8_t*)0x20000b55 = 0;
    *(uint8_t*)0x20000b56 = 0;
    *(uint8_t*)0x20000b57 = 0;
    *(uint8_t*)0x20000b58 = 0;
    *(uint8_t*)0x20000b59 = 0;
    *(uint8_t*)0x20000b5a = 0;
    *(uint8_t*)0x20000b5b = 0;
    *(uint8_t*)0x20000b5c = 0;
    *(uint8_t*)0x20000b5d = 0;
    *(uint8_t*)0x20000b5e = 0;
    *(uint8_t*)0x20000b5f = 0;
    *(uint8_t*)0x20000b60 = 0;
    *(uint8_t*)0x20000b61 = 0;
    *(uint8_t*)0x20000b62 = 0;
    *(uint8_t*)0x20000b63 = 0;
    *(uint8_t*)0x20000b64 = 0;
    *(uint8_t*)0x20000b65 = 0;
    *(uint8_t*)0x20000b66 = 0;
    *(uint8_t*)0x20000b67 = 0;
    *(uint32_t*)0x20000b68 = 0;
    *(uint16_t*)0x20000b6c = 0xa8;
    *(uint16_t*)0x20000b6e = 0xd0;
    *(uint32_t*)0x20000b70 = 0;
    *(uint64_t*)0x20000b78 = 0;
    *(uint64_t*)0x20000b80 = 0;
    *(uint16_t*)0x20000b88 = 0x28;
    memcpy((void*)0x20000b8a, "NFQUEUE\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*)0x20000ba7 = 2;
    *(uint16_t*)0x20000ba8 = 0;
    *(uint16_t*)0x20000baa = 0xfffa;
    *(uint16_t*)0x20000bac = 0;
    *(uint8_t*)0x20000bb0 = 0xfe;
    *(uint8_t*)0x20000bb1 = 0x88;
    *(uint8_t*)0x20000bb2 = 0;
    *(uint8_t*)0x20000bb3 = 0;
    *(uint8_t*)0x20000bb4 = 0;
    *(uint8_t*)0x20000bb5 = 0;
    *(uint8_t*)0x20000bb6 = 0;
    *(uint8_t*)0x20000bb7 = 0;
    *(uint8_t*)0x20000bb8 = 0;
    *(uint8_t*)0x20000bb9 = 0;
    *(uint8_t*)0x20000bba = 0;
    *(uint8_t*)0x20000bbb = 0;
    *(uint8_t*)0x20000bbc = 0;
    *(uint8_t*)0x20000bbd = 0;
    *(uint8_t*)0x20000bbe = 0;
    *(uint8_t*)0x20000bbf = 1 + procid * 1;
    *(uint8_t*)0x20000bc0 = 0xfe;
    *(uint8_t*)0x20000bc1 = 0x80;
    *(uint8_t*)0x20000bc2 = 0;
    *(uint8_t*)0x20000bc3 = 0;
    *(uint8_t*)0x20000bc4 = 0;
    *(uint8_t*)0x20000bc5 = 0;
    *(uint8_t*)0x20000bc6 = 0;
    *(uint8_t*)0x20000bc7 = 0;
    *(uint8_t*)0x20000bc8 = 0;
    *(uint8_t*)0x20000bc9 = 0;
    *(uint8_t*)0x20000bca = 0;
    *(uint8_t*)0x20000bcb = 0;
    *(uint8_t*)0x20000bcc = 0;
    *(uint8_t*)0x20000bcd = 0;
    *(uint8_t*)0x20000bce = 0;
    *(uint8_t*)0x20000bcf = 0xaa;
    *(uint32_t*)0x20000bd0 = htobe32(0);
    *(uint32_t*)0x20000bd4 = htobe32(0);
    *(uint32_t*)0x20000bd8 = htobe32(0);
    *(uint32_t*)0x20000bdc = htobe32(0);
    *(uint32_t*)0x20000be0 = htobe32(0);
    *(uint32_t*)0x20000be4 = htobe32(0);
    *(uint32_t*)0x20000be8 = htobe32(0);
    *(uint32_t*)0x20000bec = htobe32(0);
    memcpy((void*)0x20000bf0,
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000",
           16);
    memcpy((void*)0x20000c00,
           "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000",
           16);
    *(uint8_t*)0x20000c10 = 0;
    *(uint8_t*)0x20000c20 = 0;
    *(uint16_t*)0x20000c30 = 0;
    *(uint8_t*)0x20000c32 = 0;
    *(uint8_t*)0x20000c33 = 0;
    *(uint8_t*)0x20000c34 = 0;
    *(uint32_t*)0x20000c38 = 0;
    *(uint16_t*)0x20000c3c = 0xd0;
    *(uint16_t*)0x20000c3e = 0x118;
    *(uint32_t*)0x20000c40 = 0;
    *(uint64_t*)0x20000c48 = 0;
    *(uint64_t*)0x20000c50 = 0;
    *(uint16_t*)0x20000c58 = 0x28;
    memcpy((void*)0x20000c5a, "hl\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*)0x20000c77 = 0;
    *(uint8_t*)0x20000c78 = 0;
    *(uint8_t*)0x20000c79 = 0;
    *(uint16_t*)0x20000c80 = 0x48;
    memcpy((void*)0x20000c82, "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*)0x20000c9f = 1;
    *(uint8_t*)0x20000ca0 = 0xfe;
    *(uint8_t*)0x20000ca1 = 0x80;
    *(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 = 0xaa;
    memcpy((void*)0x20000cb0,
           "wg1\000\000\000\000\000\000\000\000\000\000\000\000\000", 16);
    *(uint64_t*)0x20000cc0 = 0;
    *(uint8_t*)0x20000cc8 = 0xfe;
    *(uint8_t*)0x20000cc9 = 0x80;
    *(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 = 0xaa;
    *(uint8_t*)0x20000cd8 = 0xfe;
    *(uint8_t*)0x20000cd9 = 0x80;
    *(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;
    *(uint32_t*)0x20000ce8 = htobe32(0);
    *(uint32_t*)0x20000cec = htobe32(0);
    *(uint32_t*)0x20000cf0 = htobe32(0);
    *(uint32_t*)0x20000cf4 = htobe32(0);
    *(uint32_t*)0x20000cf8 = htobe32(0);
    *(uint32_t*)0x20000cfc = htobe32(0);
    *(uint32_t*)0x20000d00 = htobe32(0);
    *(uint32_t*)0x20000d04 = htobe32(0);
    memcpy((void*)0x20000d08, "bridge_slave_1\000\000", 16);
    memcpy((void*)0x20000d18, "ipvlan0\000\000\000\000\000\000\000\000\000",
           16);
    *(uint8_t*)0x20000d28 = 0;
    *(uint8_t*)0x20000d38 = 0;
    *(uint16_t*)0x20000d48 = 0;
    *(uint8_t*)0x20000d4a = 0;
    *(uint8_t*)0x20000d4b = 0;
    *(uint8_t*)0x20000d4c = 0;
    *(uint32_t*)0x20000d50 = 0;
    *(uint16_t*)0x20000d54 = 0xd0;
    *(uint16_t*)0x20000d56 = 0xf8;
    *(uint32_t*)0x20000d58 = 0;
    *(uint64_t*)0x20000d60 = 0;
    *(uint64_t*)0x20000d68 = 0;
    *(uint16_t*)0x20000d70 = 0x28;
    memcpy((void*)0x20000d72, "hl\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*)0x20000d8f = 0;
    *(uint8_t*)0x20000d90 = 2;
    *(uint8_t*)0x20000d91 = 0;
    *(uint16_t*)0x20000d98 = 0x28;
    memcpy((void*)0x20000d9a, "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*)0x20000db7 = 0;
    *(uint32_t*)0x20000db8 = 0;
    *(uint8_t*)0x20000dc0 = 0;
    *(uint8_t*)0x20000dc1 = 0;
    *(uint8_t*)0x20000dc2 = 0;
    *(uint8_t*)0x20000dc3 = 0;
    *(uint8_t*)0x20000dc4 = 0;
    *(uint8_t*)0x20000dc5 = 0;
    *(uint8_t*)0x20000dc6 = 0;
    *(uint8_t*)0x20000dc7 = 0;
    *(uint8_t*)0x20000dc8 = 0;
    *(uint8_t*)0x20000dc9 = 0;
    *(uint8_t*)0x20000dca = 0;
    *(uint8_t*)0x20000dcb = 0;
    *(uint8_t*)0x20000dcc = 0;
    *(uint8_t*)0x20000dcd = 0;
    *(uint8_t*)0x20000dce = 0;
    *(uint8_t*)0x20000dcf = 0;
    *(uint8_t*)0x20000dd0 = 0;
    *(uint8_t*)0x20000dd1 = 0;
    *(uint8_t*)0x20000dd2 = 0;
    *(uint8_t*)0x20000dd3 = 0;
    *(uint8_t*)0x20000dd4 = 0;
    *(uint8_t*)0x20000dd5 = 0;
    *(uint8_t*)0x20000dd6 = 0;
    *(uint8_t*)0x20000dd7 = 0;
    *(uint8_t*)0x20000dd8 = 0;
    *(uint8_t*)0x20000dd9 = 0;
    *(uint8_t*)0x20000dda = 0;
    *(uint8_t*)0x20000ddb = 0;
    *(uint8_t*)0x20000ddc = 0;
    *(uint8_t*)0x20000ddd = 0;
    *(uint8_t*)0x20000dde = 0;
    *(uint8_t*)0x20000ddf = 0;
    *(uint8_t*)0x20000de0 = 0;
    *(uint8_t*)0x20000de1 = 0;
    *(uint8_t*)0x20000de2 = 0;
    *(uint8_t*)0x20000de3 = 0;
    *(uint8_t*)0x20000de4 = 0;
    *(uint8_t*)0x20000de5 = 0;
    *(uint8_t*)0x20000de6 = 0;
    *(uint8_t*)0x20000de7 = 0;
    *(uint8_t*)0x20000de8 = 0;
    *(uint8_t*)0x20000de9 = 0;
    *(uint8_t*)0x20000dea = 0;
    *(uint8_t*)0x20000deb = 0;
    *(uint8_t*)0x20000dec = 0;
    *(uint8_t*)0x20000ded = 0;
    *(uint8_t*)0x20000dee = 0;
    *(uint8_t*)0x20000def = 0;
    *(uint8_t*)0x20000df0 = 0;
    *(uint8_t*)0x20000df1 = 0;
    *(uint8_t*)0x20000df2 = 0;
    *(uint8_t*)0x20000df3 = 0;
    *(uint8_t*)0x20000df4 = 0;
    *(uint8_t*)0x20000df5 = 0;
    *(uint8_t*)0x20000df6 = 0;
    *(uint8_t*)0x20000df7 = 0;
    *(uint8_t*)0x20000df8 = 0;
    *(uint8_t*)0x20000df9 = 0;
    *(uint8_t*)0x20000dfa = 0;
    *(uint8_t*)0x20000dfb = 0;
    *(uint8_t*)0x20000dfc = 0;
    *(uint8_t*)0x20000dfd = 0;
    *(uint8_t*)0x20000dfe = 0;
    *(uint8_t*)0x20000dff = 0;
    *(uint8_t*)0x20000e00 = 0;
    *(uint8_t*)0x20000e01 = 0;
    *(uint8_t*)0x20000e02 = 0;
    *(uint8_t*)0x20000e03 = 0;
    *(uint8_t*)0x20000e04 = 0;
    *(uint8_t*)0x20000e05 = 0;
    *(uint8_t*)0x20000e06 = 0;
    *(uint8_t*)0x20000e07 = 0;
    *(uint8_t*)0x20000e08 = 0;
    *(uint8_t*)0x20000e09 = 0;
    *(uint8_t*)0x20000e0a = 0;
    *(uint8_t*)0x20000e0b = 0;
    *(uint8_t*)0x20000e0c = 0;
    *(uint8_t*)0x20000e0d = 0;
    *(uint8_t*)0x20000e0e = 0;
    *(uint8_t*)0x20000e0f = 0;
    *(uint8_t*)0x20000e10 = 0;
    *(uint8_t*)0x20000e11 = 0;
    *(uint8_t*)0x20000e12 = 0;
    *(uint8_t*)0x20000e13 = 0;
    *(uint8_t*)0x20000e14 = 0;
    *(uint8_t*)0x20000e15 = 0;
    *(uint8_t*)0x20000e16 = 0;
    *(uint8_t*)0x20000e17 = 0;
    *(uint8_t*)0x20000e18 = 0;
    *(uint8_t*)0x20000e19 = 0;
    *(uint8_t*)0x20000e1a = 0;
    *(uint8_t*)0x20000e1b = 0;
    *(uint8_t*)0x20000e1c = 0;
    *(uint8_t*)0x20000e1d = 0;
    *(uint8_t*)0x20000e1e = 0;
    *(uint8_t*)0x20000e1f = 0;
    *(uint8_t*)0x20000e20 = 0;
    *(uint8_t*)0x20000e21 = 0;
    *(uint8_t*)0x20000e22 = 0;
    *(uint8_t*)0x20000e23 = 0;
    *(uint8_t*)0x20000e24 = 0;
    *(uint8_t*)0x20000e25 = 0;
    *(uint8_t*)0x20000e26 = 0;
    *(uint8_t*)0x20000e27 = 0;
    *(uint8_t*)0x20000e28 = 0;
    *(uint8_t*)0x20000e29 = 0;
    *(uint8_t*)0x20000e2a = 0;
    *(uint8_t*)0x20000e2b = 0;
    *(uint8_t*)0x20000e2c = 0;
    *(uint8_t*)0x20000e2d = 0;
    *(uint8_t*)0x20000e2e = 0;
    *(uint8_t*)0x20000e2f = 0;
    *(uint8_t*)0x20000e30 = 0;
    *(uint8_t*)0x20000e31 = 0;
    *(uint8_t*)0x20000e32 = 0;
    *(uint8_t*)0x20000e33 = 0;
    *(uint8_t*)0x20000e34 = 0;
    *(uint8_t*)0x20000e35 = 0;
    *(uint8_t*)0x20000e36 = 0;
    *(uint8_t*)0x20000e37 = 0;
    *(uint8_t*)0x20000e38 = 0;
    *(uint8_t*)0x20000e39 = 0;
    *(uint8_t*)0x20000e3a = 0;
    *(uint8_t*)0x20000e3b = 0;
    *(uint8_t*)0x20000e3c = 0;
    *(uint8_t*)0x20000e3d = 0;
    *(uint8_t*)0x20000e3e = 0;
    *(uint8_t*)0x20000e3f = 0;
    *(uint8_t*)0x20000e40 = 0;
    *(uint8_t*)0x20000e41 = 0;
    *(uint8_t*)0x20000e42 = 0;
    *(uint8_t*)0x20000e43 = 0;
    *(uint8_t*)0x20000e44 = 0;
    *(uint8_t*)0x20000e45 = 0;
    *(uint8_t*)0x20000e46 = 0;
    *(uint8_t*)0x20000e47 = 0;
    *(uint32_t*)0x20000e48 = 0;
    *(uint16_t*)0x20000e4c = 0xa8;
    *(uint16_t*)0x20000e4e = 0xd0;
    *(uint32_t*)0x20000e50 = 0;
    *(uint64_t*)0x20000e58 = 0;
    *(uint64_t*)0x20000e60 = 0;
    *(uint16_t*)0x20000e68 = 0x28;
    memcpy((void*)0x20000e6a, "\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*)0x20000e87 = 0;
    *(uint32_t*)0x20000e88 = 0xfffffffe;
    syscall(__NR_setsockopt, r[0], 0x29, 0x40, 0x20000a80ul, 0x410ul);
    break;
  case 3:
    res = syscall(__NR_socket, 0x10ul, 3ul, 0xc);
    if (res != -1)
      r[1] = res;
    break;
  case 4:
    *(uint64_t*)0x20000440 = 0;
    *(uint32_t*)0x20000448 = 0;
    *(uint64_t*)0x20000450 = 0x20000400;
    *(uint64_t*)0x20000400 = 0x200003c0;
    *(uint32_t*)0x200003c0 = 0x38;
    *(uint8_t*)0x200003c4 = 0;
    *(uint8_t*)0x200003c5 = 0xb;
    *(uint16_t*)0x200003c6 = 5;
    *(uint32_t*)0x200003c8 = 0;
    *(uint32_t*)0x200003cc = 0;
    *(uint8_t*)0x200003d0 = 7;
    *(uint8_t*)0x200003d1 = 0;
    *(uint16_t*)0x200003d2 = htobe16(0);
    *(uint16_t*)0x200003d4 = 0x11;
    *(uint16_t*)0x200003d6 = 1;
    memcpy((void*)0x200003d8, "/dev/snd/seq\000", 13);
    *(uint16_t*)0x200003e8 = 8;
    STORE_BY_BITMASK(uint16_t, , 0x200003ea, 2, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x200003eb, 1, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x200003eb, 0, 7, 1);
    *(uint32_t*)0x200003ec = htobe32(0);
    *(uint16_t*)0x200003f0 = 8;
    STORE_BY_BITMASK(uint16_t, , 0x200003f2, 3, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x200003f3, 1, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x200003f3, 0, 7, 1);
    *(uint32_t*)0x200003f4 = htobe32(0);
    *(uint64_t*)0x20000408 = 0x38;
    *(uint64_t*)0x20000458 = 1;
    *(uint64_t*)0x20000460 = 0;
    *(uint64_t*)0x20000468 = 0;
    *(uint32_t*)0x20000470 = 0;
    syscall(__NR_sendmsg, r[1], 0x20000440ul, 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);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}