// https://syzkaller.appspot.com/bug?id=d5f63be97bcf572595613d19f9b82475e37c9026
// 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/ioctl.h>
#include <sys/mount.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>

#ifndef __NR_bpf
#define __NR_bpf 321
#endif

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;
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;

retry:
  while (umount2(dir, umount_flags) == 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, umount_flags) == 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, umount_flags))
        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, umount_flags))
          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_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

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)
{
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  int i, call, thread;
  for (call = 0; call < 6; 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 (call == 3)
        break;
      event_timedwait(&th->done, 50);
      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 = 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 (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

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

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    res = syscall(__NR_socketpair, /*domain=*/1ul, /*type=SOCK_SEQPACKET*/ 5ul,
                  /*proto=*/0, /*fds=*/0x20000040ul);
    if (res != -1)
      r[0] = *(uint32_t*)0x20000040;
    break;
  case 1:
    *(uint32_t*)0x20000740 = 3;
    *(uint32_t*)0x20000744 = 4;
    *(uint32_t*)0x20000748 = 4;
    *(uint32_t*)0x2000074c = 0xa;
    *(uint32_t*)0x20000750 = 0;
    *(uint32_t*)0x20000754 = 0;
    *(uint32_t*)0x20000758 = 0;
    memset((void*)0x2000075c, 0, 16);
    *(uint32_t*)0x2000076c = 0;
    *(uint32_t*)0x20000770 = -1;
    *(uint32_t*)0x20000774 = 0;
    *(uint32_t*)0x20000778 = 0;
    *(uint32_t*)0x2000077c = 0;
    *(uint64_t*)0x20000780 = 0;
    *(uint32_t*)0x20000788 = 0;
    *(uint32_t*)0x2000078c = 0;
    res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x20000740ul, /*size=*/0x50ul);
    if (res != -1)
      r[1] = res;
    break;
  case 2:
    *(uint32_t*)0x20000080 = 1;
    *(uint32_t*)0x20000084 = 5;
    *(uint64_t*)0x20000088 = 0x20000540;
    memcpy(
        (void*)0x20000540,
        "\xbf\x16\x00\x00\x00\x00\x00\x00\xb7\x07\x00\x00\x00\x01\x00\x00\x48"
        "\x70\x00\x00\x00\x00\x00\x00\x35\x00\x00\x00\x00\x00\x00\x00\x95\x00"
        "\x00\x00\x00\x00\x00\x00\x2b\xa7\x28\x04\x15\x98\xfb\xd3\x0c\xb5\x99"
        "\xe8\x3d\x24\xa3\xaa\x81\xd3\x6b\xb3\x01\x9c\x13\xbd\x23\x21\x2f\xb5"
        "\x6f\xa5\x4f\x26\x41\xd8\xb0\x2c\x38\x15\xe7\x9c\x14\x14\xeb\x07\xea"
        "\xe6\xf0\x71\x1e\x6b\xd9\x17\x48\x79\x60\x71\x71\x42\xda\x76\x46\xc4"
        "\xfe\x02\x99\x6b\x60\xcf\x81\xeb\xcd\x50\xfa\x9e\xa4\x31\x81\x23\xf6"
        "\x02\x00\x00\x00\x00\x00\x00\xde\x89\xe6\x61\x16\x8c\x18\x86\xd0\xd4"
        "\xd9\x4f\x20\x4e\x34\x5c\x65\x2f\xbc\x16\x26\xe3\xa2\xa2\xad\x35\x80"
        "\x61\xd0\xae\x02\x09\xe6\x2f\x51\xee\x98\x8e\x6e\xa6\x04\xce\x97\x4a"
        "\x22\xa5\x50\xd6\xf9\x70\x80\x98\x04\x00\x00\x3e\x05\xdf\x3c\xeb\x9f"
        "\x1f\xea\xe5\x73\x7e\xca\xa8\x0a\x66\x69\x63\xc4\x74\xc2\xa1\x00\xc7"
        "\x88\xb2\x77\xbe\xee\x1c\xbf\x9b\x0a\x4d\x38\x81\xdc\xc7\xb1\xb8\x5f"
        "\x3c\x3d\x44\xae\xac\xcd\x36\x41\x11\x0b\xec\x4e\x90\xa6\x34\x19\x65"
        "\xc3\x9e\x4b\x34\x31\xab\xe8\x02\xf5\xab\x3e\x89\xcf\x6c\x66\x2e\xd4"
        "\x04\x8d\x3b\x3e\x22\x27\x8d\x00\xce\x00\x00\x00\x00\xd3\xa0\x27\x62"
        "\xc2\x95\x12\x57\xb8\x58\x02\x18\x9d\x74\x00\x5d\x2a\x1b\xcf\x94\x36"
        "\xe1\x92\xe2\x3f\xd2\x75\x98\x5b\xf3\x1b\x71\x4f\x00\x0b\xca\xb6\xfc"
        "\xd6\x10\xf2\x5f\x58\x88\x00\x00\x00\x00\x3f\x11\xaf\xc9\xbd\x08\xc6"
        "\xeb\xfb\xb8\x94\x32\xfb\x46\x5b\xc5\x2f\x49\x12\x9b\x9b\x61\x50\xe3"
        "\x20\xc9\x90\x1d\xe2\xeb\xb9\x00\x00\x00\x01\x8e\x30\x95\xc4\xc5\xc7"
        "\xa1\x56\xce\xc3\x3a\x66\x7d\xcc\xaf\xf9\x50\xca\x1e\x5e\xfd\xd4\xc9"
        "\x68\xda\xcf\x81\xba\xa3\xa5\x09\xb1\x04\x1d\x06\xf6\xb0\x09\x7c\x43"
        "\x04\x81\x82\x4a\x3f\x4f\xdd\xd3\xc6\x43\xf6\x30\xba\x17\x5d\x87\x6d"
        "\xef\xd3\x54\x17\x72\xf2\x6e\x27\xc4\x4c\xfd\xb2\xd8\x5d\x6d\x29\x98"
        "\x3e\x83\x0a\x9c\xdd\x79\x83\x7b\x34\x68\xe8\xc6\x7a\x57\x1d\x0a\x01"
        "\x7c\x10\x03\x44\xc5\x2a\x6f\x38\x7a\x13\x40\xa1\xc8\x88\x94\x64\xf9"
        "\x0c\xc4\xcd\x1f\x57\x0d\xd3\x98\x77\xdf\xb2\xff\x1a\xe6\x6e\x1c\xe9"
        "\x17\x47\x4b\x2e\x65\x0a\xe6\x30\xaf\xd0\x14\xa3\x37\xac\x5d\x58\xbc"
        "\xb5\xe5\x17\x23\x25\x7c\x87\x2c\x52\x55\xf2\x01\x00\x00\x00\x00\x00"
        "\x00\x00\xf0\x41\xb6\x65\xab\x21\x37\x2c\x8d\x8b\x7b\xac\x5b\x5c\x78"
        "\x4d\x20\xa4\xa2\x4d\x8d\xbd\x75\x06\x2e\x1d\xae\xf9\xde\xad\x61\x9c"
        "\xc6\xe7\xba\xa7\x27\x07\x15\x77\x91\xc3\xd2\xa2\x86\xff\xb8\xd3\x54"
        "\x52\xbb\x5d\x36\xc2\xa8\x68\x2b\xf7\xec\xbd\x53\xf9\x50\xef\x47\x09"
        "\xec\x01\xe2\x30\xd2\xf5\x35\x94\xef\x48\x39\xc6\x13\x0c\x4c\x13\xa0"
        "\xcc\xa8\x4b\x99\x35\xf7\x71\xfd\x49\xe4\x80\xcd\x9d\x48\xae\xb1\x2b"
        "\x1d\x25\x5b\xe1\xed\x66\xd9\x05\x1f\x22\x61\x4d\x1f\x62\x73\x4d\x67"
        "\x90\x39\xa9\x7d\x2b\x74\xf9\xe8\xe9\x97\xcc\xd3\x14\x00\x0f\x74\x7f"
        "\x4e\x8e\x70\x25\x12\x3e\x78\x3d\xf8\xb8\xa1\x7e\x3a\xa9\xfe\x1f\x66"
        "\x2a\xef\x87\xa0\x65\xb0\x3c\xfb\x65\xb4\xdf\xe4\xf1\xb5\x6e\x1f\x23"
        "\x12\x8d\x74\x37\x53\xa1\xde\x17\x2d\x68\x3d\x58\x92\xce\x94\x14\xa1"
        "\xd9\x8e\xa9\x3e\x3d\x35\xdb\xb6\xc2\x3b\x90\xcf\x36\xe8\x3b\x8a\x43"
        "\x4a\x97\xd0\x93\x43\xd7\xf8\x30\x79\xcc\xb0\x2e\x69\xd3\x84\x14\x60"
        "\x56\xd1\x25\xcf\xa7\x88\x23\x78\x74\xdd\x42\xda\xe3\x34\xbd\xa0\x42"
        "\x81\x9a\x2a\xa2\x4d\xba\x1c\x25\xbe\x27\x94\x44\x8b\x4f\x63\x48\x30"
        "\x26\xb5\xe3\x4d\x44\x70\x5b\x76\xef\x29\x24\x1a\xda\xb0\xdd\x7d\x68"
        "\xbf\x97\x5e\x02\x06\x9f\x6f\x24\x25\xe1\xbc\x97\xa3\xd5\x88\x08\x5f"
        "\x16\xbe\xf6\x3a\x06\x57\x8d\x4f\x5d\xe7\xbf\xb6\xaa\xa7\x5f\x16\x99"
        "\x6d\x53\x62\x56\xc0\x22\x84\xcb\x1d\x3a\x6f\xb8\xca\xe8\x76\x91\xfa"
        "\xe3\x65\xa7\x0c\x3f\xc6\x9e\x15\x65\xbb\xa8\xdd\x8a\x8c\xa0\x49\xf7"
        "\x98\xab\xe6\x46\xf7\x38\xbe\xbd\x69\x41\x3a\xfc\x9d\x8a\x5e\xdd\x7a"
        "\xaa\x00\x00\x00\x00\x00\x00\x00\x1e\x6c\x2f\x2a\x28\x7c\x52\x78\xa2"
        "\x18\xdb\xfa\xff\xff\xff\x00\xa1\x4d\xb5\xcf\xa6\x81\x9e\xb1\xd3\x9c"
        "\x48\xcf\xdc\x80\xd2\x15\xc9\xe1\x6e\x0c\x47\x36\xc8\x19\x36\x31\x54"
        "\xcc\xa4\xe2\xf8\x98\x00\xd1\x8c\x89\xd7\xf4\x6f\x67\x9d\xf6\xc9\xe2"
        "\x95\x2a\xe1\xeb\xfd\x0c\xa8\x83\x68\xee\x6c\xe1\x39\xe8\xb5\x82\x2c"
        "\x22\xcf\x2e\x9d\xde\x94\x3d\x34\xc4\x32\xe1\x00\x11\x71\x79\x2c\x65"
        "\x98\x61\x46\x66\x6a\x54\x90\x92\x84\x41\xf4\x7e\x0f\xe5\xea\xc4\x18"
        "\x24\xca\x1f\xd0\xeb\x71\xaa\x24\x3c\x88\xd5\x48\x0e\x5a\xee\x9c\x9e"
        "\x5f\x2e\x5a\x56\xa6\xd9\x20\x33\x5c\x8e\x87\x26\xfd\x83\x29\xd9\xa7"
        "\x28\x99\x5b\x15\x31\xbd\x20\x36\x0d\x33\xd8\xf9\xff\xff\xff\x5f\x91"
        "\x2a\xc4\xe3\x4b\xf6\xea\x8a\x86\xda\x70\x7b\x03\xbd\xdb\x49\x1b\xa0"
        "\xcc\x98\xf6\xbe\x92\xc5\x59\x69\xa2\xb5\x00\x25\x41\x9d\x14\x76\xc7"
        "\x31\x32\xca\x7c\xa2\x6c\xe8\xa7\xe3\xff\xb7\x00\xf0\x9e\x15\x7f\x9b"
        "\x84\x40\x51\xf1\xa6\x42\xac\xa9\xff\x98\xc9\x03\x64\x71\xcc\xff\x05"
        "\x22\x90\x3e\x7b\xcf\x62\xe1\x8f\x76\x96\xbb\xc2\x80\xb9\x5e\x8e\x0d"
        "\x6f\xd5\x64\x4b\x0e\xbd\xe3\xa9\x5b\x06\x54\x88\x62\xde\x80\x9d\x3d"
        "\xae\x3c\xcc\xf1\x09\xf7\xc7\x8e\x84\x79\xa3\x45\xe8\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x94\x55\xbf\x41\x76\x27\xce\x72\x3a\x5d"
        "\x91\x03\x70\x6a\xba\x69\x27\x95\x00\xbb\x82\xf6\xb5\xa3\xdd\xc0\xbd"
        "\x98\x56\x71\x29\x45\xb7\x0c\x75\xce\x5b\x72\x25\x78\x82\x08\x20\xd0"
        "\x10\xd7\xa3\xcf\xfc\x99\xfc\x64\x7d\x0b\x82\xef\x26\xab\x70\x8c\x0b"
        "\x19\xed\x14\x4b\xe5\x1c\x3b\x39\x8f\x0e\x6b\xb7\xa3\x00\x06\x00\x00"
        "\x00\xcb\xa1\x29\x53\xd5\x8c\xff\x0f\x03\x78\x74\x0f\xe6\x66\x2f\x37"
        "\x7b\x97\xd8\xe7\xcd\xb0\x47\x05\x0d\x72\x96\xcd\x38\x56\x47\x6a\x60"
        "\xa4\x9a\xd1\x27\xba\x65\x70\xba\xfc\x2b\xbc\xf9\xee\x72\x1f\xd9\xcb"
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        "\x2d\x7a\x64\xde\x4c\x4a\xa4\x33\xfc\x08\x40\xaf\xf7\xc4\x7d\xa3\xa4"
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        "\x6e\x2a\x88\x9f\x6e\xf6\x86\x9d\x82\xd6\xbd\x73\xeb\x76\xb6\x5c\x7a"
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        "\x16\x59\x0b\x0a\x03\xda\xfa\x3f\xd1\x11\x87\x65\xcc\x8a\xb9\xfc\xcf"
        "\x3b\x51\xc4\x1a\x33\x9f\x20\x0f\x2f\xa3\x30\x06\x91\x0a\x67\x9a\x9a"
        "\xe0\x18\x7b\x4d\x75\x0c\x4b\xd2\x44\xcb\x0c\xbf\xd2\x3b\x26\x5f\x4d"
        "\x4d\xa4\x48\xa7\xa0\xd1\x9c\x5e\x43\xea\xe5\x0a\x31\x60\x9d\xfa\x2d"
        "\xde\x26\x75\x51\x46\x7e\xb6\x47\x52\x93\xdd\x70\x12\xcc\x44\x90\x09"
        "\x98\x1f\x22\x82\x0e\x57\xa0\xef\xf2\x34\xcc\xfe\x21\xd7\xa2\x30\x2e"
        "\x00\x06\x69\x75\x3d\x3c\x34\x32\xcc\x14\xee\x1a\xbe\x72\x4a\xdb\x6b"
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        "\x78\x60\xb3\xe1\x3c\x31\x73\xa6\x0a\x18\x23\xcb\x7d\xde\x82\x12\xa8"
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        "\xf2\xbd\x0d\xb1\xe5\xde\x6a\x14\x65\x97\xb2\xcb\xb7\x10\x30\x40\xd2"
        "\xa3\x9d\x79\x65\xd3\x4d\xf5\x24\xb7\x60\xab\x92\xef\xcc\xe7\xdd\x15"
        "\x74\x05\x2c\x73\x59\x35\xbf\x6a\x75\x2c\x01\x5c\x7f\x5f\xfe\xe9\xff"
        "\x66\xe5\xdd\x28\x66\xb1\x5b\x6e\x0d\x17\x61\x8c\xb1\xf5\xc1\xee\x4b"
        "\x05\xeb\xf1\x44\x5e\xa1\x10\xf4\x99\xf8\x40\xa5\xc9\x65\x44\x3d\x72"
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        "\xdb\x1b\x56\x7f\x48\x1b\xa0\x79\x82\xe7\xad\x75\x8f\x4e\x1e\xac\x69"
        "\xe7\xe8\x8a\x63\x96\x09\x75\xf4\x90\xe1\x61\xe3\x71\xec\x85\x34\x79"
        "\x1e\x3b\x61\xc6\x85\xd9\x00\xa9\xc0\x83\x92\x08\x35\x6b\x53\x75\x0e"
        "\x76\xfc\xc3\xc2\xd1\xbd\xdc\xbd\x83\x89\x79\x21\x41\x4d\x0c\x02\xe8"
        "\x18\x8f\x3d\xf7\x9e\xa2\xa5\xc5\x44\x40\x04\x83\x0e\x6c\xb2\x27\xca"
        "\x1b\xda\xfb\x97\x7c\x00\x00\x00\x00\x00\x3a\x41\x71\x93\xb8\xc5\xd7"
        "\x93\x68\x73\x35\xa9\x30\x86\x70\x94\xfd\x6a\x78\x21\x82\x18\xe0\x4b"
        "\x70\x5e\xc6\x2f\x16\x08\xcb\x56\x9b\x81\x91\x4e\x68\xf1\x75\xb3\x92"
        "\xaf\x6b\xc4\xfd\x21\x21\xd7\xfd\x27\x6a\xf2\xc9\x7a\x44\x1b\x56\xe7"
        "\xa0\x68\x7d\x98\xb8\xe7\x6d\x8d\x0d\x23\x1e\x4f\xe0\x0b\xe1\xde\x76"
        "\xbd\x19\xcc\x12\xe2\xbd\x93\x8e\xb6\x81\xed\x6b\xc9\x51\xc1\xb4\xf7"
        "\xc5\x1a\xf5\x9e\xea\x4d\x40\xc6\x00\x00\x00\x00\x02\x00\x77\x8a\x67"
        "\x7b\x72\x78\x63\x11\x15\x32\x71\xa3\x31\x3d\xa0\x26\x45\xe1\x17\x61"
        "\x69\x9e\x4d\x04\xac\x86\xdd\x14\xff\x7b\x9a\x10\xd3\xfa\x74\x69\x6f"
        "\xe3\x95\x3a\x5b\x77\x06\xbf\x5d\x1f\xab\xa4\xb1\x88\x08\xd9\xcb\x0e"
        "\x9d\xb6\x96\xde\xc4\xe0\x82\x0e\xe4\x02\x8d\x72\x25\xa2\xc9\xc4\x27"
        "\xcf\x64\xcb\xde\x6f\xba\x05\x6b\x20\x06\xb7\xa3\x7c\x11\x81\xd5\x30"
        "\xfb\x86\x5e\x23\x5c\xd3\x02\xf3\xb4\x07\x1e\xe5\x23\x7a\xda\x18\x6b"
        "\x9e\x5e\x31\x44\xbf\x47\x9f\x27\x7f\x10\x65\x6a\xd3\x74\x40\x37\xcc"
        "\xc9\xc6\x36\x85\xa6\xf1\x10\x9d\x2e\xa7\x37\x73\xd3\x63\x5f\x61\x49"
        "\x7f\x1f\xa1\xea\x4a\x16\xf6\x01\x80\x0b\xf3\xe5\x91\x41\xfb\xf0\x5a"
        "\x96\x11\x33\x20\xc4\x45\xf9\xba\x85\x96\x97\x0d\x52\x54\x72\x7e\x80"
        "\x4f\xbd\x99\xcc\xef\xb7\xc0\x92\x69\xdd\x2c\x5c\x25\xe5\x6e\x16\x9a"
        "\xc1\x59\x80\xf3\xf8\x5f\x7c\xa3\x6d\xd5\x95\x0e\xf5\xb6\x4f\xd4\x6f"
        "\x12\x33\x11\x82\x95\x34\xa8\x29\x40\x99\x41\x99\xb3\xcf\x7a\x8f\x09"
        "\xc1\x94\x6e\x55\x28\x9f\x66\x8c\x42\x3f\xcb\xb3\x1a\xe9\x18\x64\xc8"
        "\x82\x31\x31\x51\x74\x1a\x67\x53\x8c\x96\x89\xdc\x8e\xcc\x99\x03\xc7"
        "\x04\x1e\x5c\x07\x04\xe2\xfa\x55\xa7\x56\x48\x75\x17\xa7\x44\x5c\xbd"
        "\x9e\x3f\x51\x75\xe4\x1c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
        "\x00\x00\xbf\x98\xef\xd5\x87\xff\xfe\x32\x6f\x47\x4b\x0b\x08\x9c\x01"
        "\x7b\x16\xc0\x06\x2c\xbc\xe9\x6f\x5a\xde\xbe\xc5\x2a\x79\xf9\x36\x39"
        "\x09\x84\x2f\x79\xc5\x0a\x15\x20\xbe\x46\xd8\x70\x03\x13\x7e\x4c\x50"
        "\x31\xf0\x01\x23\xe8\x12\xa5\xe3\x7c\xd5\x2c\x9e\xb7\x33\x62\x81\xcb"
        "\x8c\x6c\xe9\x93\x4b\x15\x7d\x78\x75\xa7\x0e\xaf\x10\x3c\xb3\x13\x8e"
        "\x23\x61\xc5\x1c\xd1\xea\xb8\xa2\x6b\x23\x2a\xcf\x6b\xf0\xab\x82\x9c"
        "\x26\xda\xb6\x37\x53\x8b\x2e\xb1\x42\x0d\x81\x2d\x2b\x80\xc7\x77\x71"
        "\x0b\xa0\xf1\x8e\x46\x61\x68\x1a\xa2\x18\xd9\xba\x54\x02\x3a\xb4\x30"
        "\x5d\x77\xeb\x15\x61\x1a\xe2\x54\x58\x35\xe9\xd3\x0e\x9f\x6d\x4f\xb4"
        "\x3a\x29\x1c\x69\x54\x5a\x1e\xea\x0f\x87\x20\x43\x11\x32\xd8\x54\x9f"
        "\x99\xbf\x6c\x5c\xb0\x60\xda\x70\xcb\xb5\x9d\x0a\x00\x00\x00\x00\x00"
        "\x34\xd0\x83\xfc\x37\xd2\x44\x9f\x72\xde\x0c\xbe\xa4\xbc\x1d\xc8\x9c"
        "\x13\x6c\xdb\xc5\x04\xf8\x49\xd5\x50\x2d\x77\xa9\x5c\x7b\xff\xf4\xcd"
        "\x9c\x03\x05\x8d\x0d\x4d\x07\xea\x64\x82\x4f\x1a\xcf\x2b\x39\x28\x9f"
        "\x67\x5f\x39\xd0\x17\x19\xcd\xba\xb3\xf1\xce\x10\x60\x9c\x8d\x7b\x3e"
        "\x37\xcb\x99\xb4\x1d\xa5\xe4\x85\xa4\x41\xb6\xa1\x03\x54\x9f\x55\xab"
        "\x09\xdc\x98\x76\x77\x63\xd1\xf2\xfa\xfd\x45\xbb\x7d\x2b\x40\x05\x0d"
        "\x1f\x82\x92\xf4\xd9\xec\x6d\x00\x00\x00\x00\x00\x00\x39\x32\x06\x22"
        "\x90\xf4\x99\x6f\xdd\x55\xb0\x60\x23\x43\x7e\x9e\x20\x72\xda\xf7\xf5"
        "\xd8\x2f\x6f\x1b\x5b\x89\xa4\x11\x34\xf4\xdc\x2e\x65\xbb\x11\x27\x2f"
        "\xdf\x8c\x81\x41\xf4\x1d\x61\x60\xb3\xd8\xb6\xec\xd1\x6d\x14\x26\x7f"
        "\x61\xb4\x88\x1a\xde\xe7\xf0\x7f\x3d\x6a\xf5\xae\x79\xe1\x6f\xe2\xc3"
        "\xf5\x5a\xc7\xa6\x39\x2d\x2e\x1d\x9b\x42\x86\xb6\xc3\xe1\xf5\xa7\x6b"
        "\x85\xed\x6e\x1f\x00\x00\xc6\x7e\x6c\x5f\xcd\xc8\xc3\x93\x81\xbe\x47"
        "\x99\xb8\xcb\x2d\x08\xb8\x26\x2c\x80\x7d\xd7\x55\xe2\x2b\x80\x11\x62"
        "\x38\x1a\xa9\xd1\xaf\x2b\xbc\x9c\xfd\x49\x75\x85\x33\x7e\xac\x40\x8b"
        "\x84\x75\xb4\x7a\x39\x2a\x10\xca\xe3\x49\x16\x0f\x12\x8e\x5f\x87\x3a"
        "\x58\x06\x4e\xb4\x00\xc3\x6a\x90\x62\x4f\x6a\xed\x39\x8a\x21\x5e\x9c"
        "\xe6\x45\x22\xab\x24\x9f\x67\xc3\x8a\x65\x6d\x32\xec\xff\x5c\xdb\x2b"
        "\x03\x9c\x4a\xbf\x34\x9d\x2c\x0f\x88\xa4\x2e\x91\x89\xbb\xfa\x7f\x5c"
        "\xf3\x5b\x6e\x7e\xf8\xf9\xd3\x31\x63\xb7\xea\x87\x55\x0f\xb1\xba\x33"
        "\x4c\x83\xe3\xae\xc4\x71\x4c\x9c\x4c\xa3\xec\xb0\x4f\x27\x20\x23\x76"
        "\x15\xa2\x8b\xf3\x10\xb5\x8f\xfa\x2a\x10\x32\x16\xfd\xcc\x8c\x2d\x8f"
        "\x5d\x55\xe5\xe7\xeb\xf1\x47\x10\x52\x72\xaa\xae\x56\xe8\x6d\x85\x6b"
        "\x3c\xf7\x9a\x3f\x73\x06\x43\x67\x62\xdd\x07\xce\xbc\x78\x92\xec\x6f"
        "\x9f\x69\x6d\xa3\x8f\xee\xd3\xdc\x00\x01\x50\x0e\x34\xad\xae\x1b\xa8"
        "\x9a\x32\xba\xd2\xaf\x90\x30\xf8\x40\xf1\xba\x46\x64\xf3\x55\x47\xcd"
        "\xad\xd5\xcb\xac\xc5\x93\x52\xc2\x90\xf5\x5d\x97\x1b\x65\x95\x35\x33"
        "\x66\x8c\x25\xf2\x1d\x8d\x62\xd8\x49\xe9\x05\x8e\xaa\x97\xc6\x34\x91"
        "\x56\x88\x87\x54\x8f\x66\x8c\xdb\xca\x2a\xbf\x01\xa3\x61\xa0\xb6\x4d"
        "\x8b\x52\x3e\x66\x9d\xa3\x50\xe3\xec\x74\x45\xdf\xbf\x36\x6b\x0b\x3b"
        "\xc5\xe7\x68\x24\xa1\xe4\x3e\xaa\xec\xa7\x0d\xb9\x0f\x2f\xa3\x95\x96"
        "\x44\x34\x47\x67\x19\x33\x07\x9a\x24\xfe\x36\x81\xad\x9a\xc3\x61\xf7"
        "\x1a\xc2\x79\xa6\x88\xf1\x0a\x12\x10\x5e\xde\xbc\x5e\x3b\x8d\xad\x4c"
        "\x83\x05\xab\x12\x9c\xa2\xdf\xb9\xb7\xc5\xe9\xd0\x97\xbd\x01\xb4\x95"
        "\xcc\xce\xfd\xdc\xe5\x69\x11\x7f\x7f\x5d\x6a\x62\x70\xff\x0f\x0f\x4c"
        "\x37\x10\x29\xca\x84\x89\x57\x1b\x55\x84\x1b\xf3\xdd\x00\x3b\xc8\x14"
        "\x60\xee\xe5\x7c\xeb\x3c\x33\xf4\xe9\x30\x0b\x01\x44\xfe\x04\x0c\xf5"
        "\xfc\xfc\xbb\x61\x6c\x20\x70\x23\x78\x81\xaf\xdb\x31\x4c\xec\xd1\x62"
        "\x3f\x3e\x55\xab\x8b\x76\x27\xfa\x1b\xe3\x49\x14\x5a\x8d\x63\x13\xcb"
        "\xc7\x90\xee\xfe\x20\x20\x13\x8e\x82\xfb\x9d\x35\x1b\xe4\xdd\xcb\xcc"
        "\x9b\xc0\x48\xdd\x3d\xb5\x82\x8d\x16\xba\xec\x6e\x07\xa0\x07\xf0\x03"
        "\x0f\x34\xea\x3c\xfd\x52\x4d\x6f\xa1\xd4\x5d\xa5\x64\x1d\x6c\x94\xe1"
        "\xd3\xae\x7f\xba\x1c\x85\x03\x5d\x2a\x60\xef\x16\x96\xe0\xd9\x6a\xa1"
        "\xc6\x00\x19\xf7\x3a\xe0\xaa\x61\x13\xcd\x66\xef\x26\xb5\x77\x73\x37"
        "\xc2\x6e\x14\x61\x40\x5d\x86\xfd\xf0\x91\xed\xd5\x26\xf2\x5c\xad\xa4"
        "\x39\xbb\x36\x09\xed\x5c\x35\xab\x60\xa5\x39\xad\xe7\x86\xbd\x60\x04"
        "\xd0\xea\x3e\xdb\xd6\xc4\xda\x0d\x8e\x8b\xe8\xc7\x71\xc8\xc8\xa0\xb0"
        "\x7d\x98\x59\xe0\x4a\xdb\x18\x96\x4d\xcc\xe9\xbc\xe5\x46\x07\x4c\x26"
        "\xdf\xfb\xc2\xdf\x37\x2a\x01\x6e\x8c\x84\x5d\x42\x57\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf2\x96\x57"
        "\x69\x7d\x9c\x2b\x13\x2b\x2d\xc2\xf5\xea\x51\x22\x83\x65\x82\xa7\xe8"
        "\x5f\xe2\xbc\x16\x6f\x17\xae\xfd\x9d\x86\x1d\xe0\x19\x1f\x52\x77\xd4"
        "\xa3\xb5\xaf\xb6\xf2\x00\x00\x00\x00\x00\x00\x00\x00\x00\x89\xde\x7f"
        "\x84\x85\xd9\x50\x71\x64\xa1\x87\x22\x0b\x36\xdd\xc7\xfa\x64\x5d\x4b"
        "\xd0\xc1\x41\x4c\x30\xa4\x16",
        3441);
    *(uint64_t*)0x20000090 = 0x20000140;
    memcpy((void*)0x20000140, "GPL\000", 4);
    *(uint32_t*)0x20000098 = 0;
    *(uint32_t*)0x2000009c = 0;
    *(uint64_t*)0x200000a0 = 0;
    *(uint32_t*)0x200000a8 = 0;
    *(uint32_t*)0x200000ac = 0;
    memset((void*)0x200000b0, 0, 16);
    *(uint32_t*)0x200000c0 = 0;
    *(uint32_t*)0x200000c4 = 0;
    *(uint32_t*)0x200000c8 = -1;
    *(uint32_t*)0x200000cc = 8;
    *(uint64_t*)0x200000d0 = 0x20000000;
    *(uint32_t*)0x20000000 = 0;
    *(uint32_t*)0x20000004 = 0;
    *(uint32_t*)0x200000d8 = 0xfffffe89;
    *(uint32_t*)0x200000dc = 0x10;
    *(uint64_t*)0x200000e0 = 0;
    *(uint32_t*)0x200000e8 = 0;
    *(uint32_t*)0x200000ec = 0;
    *(uint32_t*)0x200000f0 = -1;
    *(uint32_t*)0x200000f4 = 0;
    *(uint64_t*)0x200000f8 = 0;
    *(uint64_t*)0x20000100 = 0;
    *(uint32_t*)0x20000108 = 0x10;
    *(uint32_t*)0x2000010c = 0;
    *(uint32_t*)0x20000110 = 0;
    res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20000080ul, /*size=*/0x48ul);
    if (res != -1)
      r[2] = res;
    break;
  case 3:
    *(uint32_t*)0x20000200 = r[1];
    *(uint64_t*)0x20000208 = 0x20000000;
    *(uint32_t*)0x20000000 = 0;
    *(uint64_t*)0x20000210 = 0x20000140;
    *(uint32_t*)0x20000140 = r[2];
    *(uint64_t*)0x20000218 = 0;
    syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0x20000200ul, /*size=*/0x20ul);
    break;
  case 4:
    *(uint32_t*)0x20000880 = 1;
    *(uint32_t*)0x20000884 = 8;
    *(uint64_t*)0x20000888 = 0x20000180;
    memcpy((void*)0x20000180,
           "\x18\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x18\x12\x00\x00",
           20);
    *(uint32_t*)0x20000194 = r[1];
    memcpy(
        (void*)0x20000198,
        "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x03\x00\x00\x00\x00\x00\x00\x85"
        "\x00\x00\x00\x0c\x00\x00\x00\xb7\x00\x00\x00\x20\x00\x00\x00\x95",
        33);
    *(uint64_t*)0x20000890 = 0x20000980;
    memcpy((void*)0x20000980, "GPL\000", 4);
    *(uint32_t*)0x20000898 = 0;
    *(uint32_t*)0x2000089c = 0;
    *(uint64_t*)0x200008a0 = 0;
    *(uint32_t*)0x200008a8 = 0;
    *(uint32_t*)0x200008ac = 0;
    memset((void*)0x200008b0, 0, 16);
    *(uint32_t*)0x200008c0 = 0;
    *(uint32_t*)0x200008c4 = 0;
    *(uint32_t*)0x200008c8 = -1;
    *(uint32_t*)0x200008cc = 0;
    *(uint64_t*)0x200008d0 = 0;
    *(uint32_t*)0x200008d8 = 0;
    *(uint32_t*)0x200008dc = 0;
    *(uint64_t*)0x200008e0 = 0;
    *(uint32_t*)0x200008e8 = 0;
    *(uint32_t*)0x200008ec = 0;
    *(uint32_t*)0x200008f0 = 0;
    *(uint32_t*)0x200008f4 = 0;
    *(uint64_t*)0x200008f8 = 0;
    *(uint64_t*)0x20000900 = 0;
    *(uint32_t*)0x20000908 = 0;
    *(uint32_t*)0x2000090c = 0;
    *(uint32_t*)0x20000910 = 0;
    res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20000880ul, /*size=*/0x90ul);
    if (res != -1)
      r[3] = res;
    break;
  case 5:
    *(uint32_t*)0x200000c0 = r[3];
    syscall(__NR_setsockopt, /*fd=*/r[0], /*level=*/1, /*optname=*/0x32,
            /*optval=*/0x200000c0ul, /*optlen=*/4ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  const char* reason;
  (void)reason;
  use_temporary_dir();
  loop();
  return 0;
}