// https://syzkaller.appspot.com/bug?id=48b901470c6047df68df7ff565f630b0e1d98679
// 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 <stddef.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>
#include <linux/loop.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 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;
}

struct fs_image_segment {
  void* data;
  uintptr_t size;
  uintptr_t offset;
};

#define IMAGE_MAX_SEGMENTS 4096
#define IMAGE_MAX_SIZE (129 << 20)

#define sys_memfd_create 319

static unsigned long fs_image_segment_check(unsigned long size,
                                            unsigned long nsegs,
                                            struct fs_image_segment* segs)
{
  if (nsegs > IMAGE_MAX_SEGMENTS)
    nsegs = IMAGE_MAX_SEGMENTS;
  for (size_t i = 0; i < nsegs; i++) {
    if (segs[i].size > IMAGE_MAX_SIZE)
      segs[i].size = IMAGE_MAX_SIZE;
    segs[i].offset %= IMAGE_MAX_SIZE;
    if (segs[i].offset > IMAGE_MAX_SIZE - segs[i].size)
      segs[i].offset = IMAGE_MAX_SIZE - segs[i].size;
    if (size < segs[i].offset + segs[i].offset)
      size = segs[i].offset + segs[i].offset;
  }
  if (size > IMAGE_MAX_SIZE)
    size = IMAGE_MAX_SIZE;
  return size;
}
static int setup_loop_device(long unsigned size, long unsigned nsegs,
                             struct fs_image_segment* segs,
                             const char* loopname, int* memfd_p, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  size = fs_image_segment_check(size, nsegs, segs);
  int memfd = syscall(sys_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (ftruncate(memfd, size)) {
    err = errno;
    goto error_close_memfd;
  }
  for (size_t i = 0; i < nsegs; i++) {
    if (pwrite(memfd, segs[i].data, segs[i].size, segs[i].offset) < 0) {
    }
  }
  loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    err = errno;
    goto error_close_memfd;
  }
  if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
    if (errno != EBUSY) {
      err = errno;
      goto error_close_loop;
    }
    ioctl(loopfd, LOOP_CLR_FD, 0);
    usleep(1000);
    if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
      err = errno;
      goto error_close_loop;
    }
  }
  *memfd_p = memfd;
  *loopfd_p = loopfd;
  return 0;

error_close_loop:
  close(loopfd);
error_close_memfd:
  close(memfd);
error:
  errno = err;
  return -1;
}

static long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile unsigned long size,
                            volatile unsigned long nsegs,
                            volatile long segments, volatile long flags,
                            volatile long optsarg)
{
  struct fs_image_segment* segs = (struct fs_image_segment*)segments;
  int res = -1, err = 0, loopfd = -1, memfd = -1, need_loop_device = !!segs;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(size, nsegs, segs, loopname, &memfd, &loopfd) == -1)
      return -1;
    source = loopname;
  }
  mkdir(target, 0777);
  char opts[256];
  memset(opts, 0, sizeof(opts));
  if (strlen(mount_opts) > (sizeof(opts) - 32)) {
  }
  strncpy(opts, mount_opts, sizeof(opts) - 32);
  if (strcmp(fs, "iso9660") == 0) {
    flags |= MS_RDONLY;
  } else if (strncmp(fs, "ext", 3) == 0) {
    if (strstr(opts, "errors=panic") || strstr(opts, "errors=remount-ro") == 0)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
  }

error_clear_loop:
  if (need_loop_device) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
    close(memfd);
  }
  errno = err;
  return res;
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
retry:
  while (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW) == 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, MNT_DETACH | UMOUNT_NOFOLLOW) == 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, MNT_DETACH | UMOUNT_NOFOLLOW))
        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, MNT_DETACH | UMOUNT_NOFOLLOW))
          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 reset_loop()
{
  char buf[64];
  snprintf(buf, sizeof(buf), "/dev/loop%llu", procid);
  int loopfd = open(buf, O_RDWR);
  if (loopfd != -1) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
}

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")) {
  }
}

static void setup_sysctl()
{
  char mypid[32];
  snprintf(mypid, sizeof(mypid), "%d", getpid());
  struct {
    const char* name;
    const char* data;
  } files[] = {
      {"/sys/kernel/debug/x86/nmi_longest_ns", "10000000000"},
      {"/proc/sys/kernel/hung_task_check_interval_secs", "20"},
      {"/proc/sys/net/core/bpf_jit_kallsyms", "1"},
      {"/proc/sys/net/core/bpf_jit_harden", "0"},
      {"/proc/sys/kernel/kptr_restrict", "0"},
      {"/proc/sys/kernel/softlockup_all_cpu_backtrace", "1"},
      {"/proc/sys/fs/mount-max", "100"},
      {"/proc/sys/vm/oom_dump_tasks", "0"},
      {"/proc/sys/debug/exception-trace", "0"},
      {"/proc/sys/kernel/printk", "7 4 1 3"},
      {"/proc/sys/net/ipv4/ping_group_range", "0 65535"},
      {"/proc/sys/kernel/keys/gc_delay", "1"},
      {"/proc/sys/vm/oom_kill_allocating_task", "1"},
      {"/proc/sys/kernel/ctrl-alt-del", "0"},
      {"/proc/sys/kernel/cad_pid", mypid},
  };
  for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].name, files[i].data))
      printf("write to %s failed: %s\n", files[i].name, strerror(errno));
  }
}

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 < 1; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      event_timedwait(&th->done, 50 + (call == 0 ? 50 : 0));
      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);
    reset_loop();
    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 (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

void execute_call(int call)
{
  switch (call) {
  case 0:
    memcpy((void*)0x20000000, "jfs\000", 4);
    memcpy((void*)0x20000100, "./file0\000", 8);
    *(uint64_t*)0x20000200 = 0x20010000;
    memcpy((void*)0x20010000,
           "\x4a\x46\x53\x31\x01\x00\x00\x00\x60\x76\x00\x00\x00\x00\x00\x00"
           "\x00\x10\x00\x00\x0c\x00\x03\x00\x00\x02\x00\x00\x09\x00\x00\x00"
           "\x00\x20\x00\x00\x00\x09\x20\x10\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x04\x00\x00\x00\x18\x00\x00\x00\x02\x00\x00\x00\x16\x00\x00\x00"
           "\x32\x07\x00\x00\x01\x00\x00\x00\x00\x01\x00\x00\x00\x0f\x00\x00"
           "\x34\x00\x00\x00\xcc\x0e\x00\x00\x10\xc4\x64\x5f\x00\x00\x00\x00"
           "\x32\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\xa1\xbb\x9c\xe3\x52\xe0\x4a\xdf"
           "\xb9\xb5\x9a\xff\x47\xa5\x59\xea\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x50\xf4\x42\x56\xfd\x7f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
           192);
    *(uint64_t*)0x20000208 = 0xc0;
    *(uint64_t*)0x20000210 = 0x8000;
    *(uint64_t*)0x20000218 = 0x20010100;
    *(uint64_t*)0x20000220 = 0;
    *(uint64_t*)0x20000228 = 0x9000;
    *(uint64_t*)0x20000230 = 0;
    *(uint64_t*)0x20000238 = 0;
    *(uint64_t*)0x20000240 = 0x9800;
    *(uint64_t*)0x20000248 = 0;
    *(uint64_t*)0x20000250 = 0;
    *(uint64_t*)0x20000258 = 0xa800;
    *(uint64_t*)0x20000260 = 0;
    *(uint64_t*)0x20000268 = 0;
    *(uint64_t*)0x20000270 = 0xaa00;
    *(uint64_t*)0x20000278 = 0;
    *(uint64_t*)0x20000280 = 0;
    *(uint64_t*)0x20000288 = 0xac00;
    *(uint64_t*)0x20000290 = 0;
    *(uint64_t*)0x20000298 = 0;
    *(uint64_t*)0x200002a0 = 0xb020;
    *(uint64_t*)0x200002a8 = 0x20010f00;
    memcpy((void*)0x20010f00,
           "\x10\xc4\x64\x5f\x01\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00"
           "\x04\x00\x00\x00\x0b\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00"
           "\x02\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x80\x01\x00\x10\xc4\x64\x5f\x00\x00\x00\x00"
           "\x10\xc4\x64\x5f\x00\x00\x00\x00\x10\xc4\x64\x5f\x00\x00\x00\x00"
           "\x10\xc4\x64\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
           160);
    *(uint64_t*)0x200002b0 = 0xa0;
    *(uint64_t*)0x200002b8 = 0xb200;
    *(uint64_t*)0x200002c0 = 0x20011000;
    memcpy((void*)0x20011000,
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x83\x00\x03\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x09\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
           64);
    *(uint64_t*)0x200002c8 = 0x40;
    *(uint64_t*)0x200002d0 = 0xb2e0;
    *(uint64_t*)0x200002d8 = 0x20011100;
    memcpy((void*)0x20011100,
           "\x10\xc4\x64\x5f\x01\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00"
           "\x04\x00\x00\x00\x0b\x00\x00\x00\x00\x60\x00\x00\x00\x00\x00\x00"
           "\x06\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x80\x01\x00\x10\xc4\x64\x5f\x00\x00\x00\x00"
           "\x10\xc4\x64\x5f\x00\x00\x00\x00\x10\xc4\x64\x5f\x00\x00\x00\x00"
           "\x10\xc4\x64\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00",
           128);
    *(uint64_t*)0x200002e0 = 0x80;
    *(uint64_t*)0x200002e8 = 0xb400;
    *(uint64_t*)0x200002f0 = 0x20011200;
    memcpy((void*)0x20011200,
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x83\x00\x03\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x10\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
           64);
    *(uint64_t*)0x200002f8 = 0x40;
    *(uint64_t*)0x20000300 = 0xb4e0;
    *(uint64_t*)0x20000308 = 0;
    *(uint64_t*)0x20000310 = 0;
    *(uint64_t*)0x20000318 = 0xb600;
    *(uint64_t*)0x20000320 = 0;
    *(uint64_t*)0x20000328 = 0;
    *(uint64_t*)0x20000330 = 0xb6e0;
    *(uint64_t*)0x20000338 = 0x20011500;
    *(uint64_t*)0x20000340 = 0;
    *(uint64_t*)0x20000348 = 0xb800;
    *(uint64_t*)0x20000350 = 0;
    *(uint64_t*)0x20000358 = 0;
    *(uint64_t*)0x20000360 = 0xb8e0;
    *(uint64_t*)0x20000368 = 0x20011700;
    memcpy((void*)0x20011700,
           "\x10\xc4\x64\x5f\x01\x00\x00\x00\x10\x00\x00\x00\x01\x00\x00\x00"
           "\x04\x00\x00\x00\x0b\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00"
           "\x02\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x80\x01\x00\x10\xc4\x64\x5f\x00\x00\x00\x00"
           "\x10\xc4\x64\x5f\x00\x00\x00\x00\x10\xc4\x64\x5f\x00\x00\x00\x00"
           "\x10\xc4\x64\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
           160);
    *(uint64_t*)0x20000370 = 0xa0;
    *(uint64_t*)0x20000378 = 0xd000;
    *(uint64_t*)0x20000380 = 0x20011800;
    memcpy((void*)0x20011800,
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x83\x00\x03\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x20\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
           64);
    *(uint64_t*)0x20000388 = 0x40;
    *(uint64_t*)0x20000390 = 0xd0e0;
    *(uint64_t*)0x20000398 = 0;
    *(uint64_t*)0x200003a0 = 0;
    *(uint64_t*)0x200003a8 = 0xf000;
    *(uint64_t*)0x200003b0 = 0;
    *(uint64_t*)0x200003b8 = 0;
    *(uint64_t*)0x200003c0 = 0x10000;
    *(uint64_t*)0x200003c8 = 0;
    *(uint64_t*)0x200003d0 = 0;
    *(uint64_t*)0x200003d8 = 0x10420;
    *(uint64_t*)0x200003e0 = 0;
    *(uint64_t*)0x200003e8 = 0;
    *(uint64_t*)0x200003f0 = 0x13000;
    *(uint64_t*)0x200003f8 = 0;
    *(uint64_t*)0x20000400 = 0;
    *(uint64_t*)0x20000408 = 0x14000;
    *(uint64_t*)0x20000410 = 0;
    *(uint64_t*)0x20000418 = 0;
    *(uint64_t*)0x20000420 = 0x14800;
    *(uint64_t*)0x20000428 = 0;
    *(uint64_t*)0x20000430 = 0;
    *(uint64_t*)0x20000438 = 0x149c0;
    *(uint64_t*)0x20000440 = 0;
    *(uint64_t*)0x20000448 = 0;
    *(uint64_t*)0x20000450 = 0x14dc0;
    *(uint64_t*)0x20000458 = 0x20012b00;
    *(uint64_t*)0x20000460 = 0;
    *(uint64_t*)0x20000468 = 0x16000;
    *(uint64_t*)0x20000470 = 0;
    *(uint64_t*)0x20000478 = 0;
    *(uint64_t*)0x20000480 = 0x16800;
    *(uint64_t*)0x20000488 = 0x20013500;
    *(uint64_t*)0x20000490 = 0;
    *(uint64_t*)0x20000498 = 0x17800;
    *(uint64_t*)0x200004a0 = 0;
    *(uint64_t*)0x200004a8 = 0;
    *(uint64_t*)0x200004b0 = 0x17a00;
    *(uint64_t*)0x200004b8 = 0;
    *(uint64_t*)0x200004c0 = 0;
    *(uint64_t*)0x200004c8 = 0x17c00;
    *(uint64_t*)0x200004d0 = 0;
    *(uint64_t*)0x200004d8 = 0;
    *(uint64_t*)0x200004e0 = 0x18020;
    *(uint64_t*)0x200004e8 = 0x20013900;
    memcpy((void*)0x20013900,
           "\x10\xc4\x64\x5f\x01\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00"
           "\x04\x00\x00\x00\x18\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00"
           "\x02\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x80\x01\x00\x10\xc4\x64\x5f\x00\x00\x00\x00"
           "\x10\xc4\x64\x5f\x00\x00\x00\x00\x10\xc4\x64\x5f\x00\x00\x00\x00"
           "\x10\xc4\x64\x5f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
           160);
    *(uint64_t*)0x200004f0 = 0xa0;
    *(uint64_t*)0x200004f8 = 0x18200;
    *(uint64_t*)0x20000500 = 0x20013a00;
    memcpy((void*)0x20013a00,
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x83\x00\x03\x00\x12\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x16\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
           64);
    *(uint64_t*)0x20000508 = 0x40;
    *(uint64_t*)0x20000510 = 0x182e0;
    *(uint64_t*)0x20000518 = 0;
    *(uint64_t*)0x20000520 = 0;
    *(uint64_t*)0x20000528 = 0x18400;
    *(uint64_t*)0x20000530 = 0;
    *(uint64_t*)0x20000538 = 0;
    *(uint64_t*)0x20000540 = 0x184e0;
    *(uint64_t*)0x20000548 = 0;
    *(uint64_t*)0x20000550 = 0;
    *(uint64_t*)0x20000558 = 0x18600;
    *(uint64_t*)0x20000560 = 0;
    *(uint64_t*)0x20000568 = 0;
    *(uint64_t*)0x20000570 = 0x186e0;
    *(uint64_t*)0x20000578 = 0;
    *(uint64_t*)0x20000580 = 0;
    *(uint64_t*)0x20000588 = 0x18800;
    *(uint64_t*)0x20000590 = 0;
    *(uint64_t*)0x20000598 = 0;
    *(uint64_t*)0x200005a0 = 0x188e0;
    *(uint64_t*)0x200005a8 = 0;
    *(uint64_t*)0x200005b0 = 0;
    *(uint64_t*)0x200005b8 = 0x1a000;
    *(uint64_t*)0x200005c0 = 0;
    *(uint64_t*)0x200005c8 = 0;
    *(uint64_t*)0x200005d0 = 0x1a0e0;
    *(uint64_t*)0x200005d8 = 0;
    *(uint64_t*)0x200005e0 = 0;
    *(uint64_t*)0x200005e8 = 0x1c000;
    *(uint64_t*)0x200005f0 = 0;
    *(uint64_t*)0x200005f8 = 0;
    *(uint64_t*)0x20000600 = 0x1c0e0;
    *(uint64_t*)0x20000608 = 0;
    *(uint64_t*)0x20000610 = 0;
    *(uint64_t*)0x20000618 = 0x1c200;
    *(uint64_t*)0x20000620 = 0;
    *(uint64_t*)0x20000628 = 0;
    *(uint64_t*)0x20000630 = 0x1c2e0;
    *(uint64_t*)0x20000638 = 0;
    *(uint64_t*)0x20000640 = 0;
    *(uint64_t*)0x20000648 = 0x1c400;
    *(uint64_t*)0x20000650 = 0;
    *(uint64_t*)0x20000658 = 0;
    *(uint64_t*)0x20000660 = 0x1c4e0;
    *(uint64_t*)0x20000668 = 0;
    *(uint64_t*)0x20000670 = 0;
    *(uint64_t*)0x20000678 = 0x1c6e0;
    *(uint64_t*)0x20000680 = 0;
    *(uint64_t*)0x20000688 = 0;
    *(uint64_t*)0x20000690 = 0x1c800;
    *(uint64_t*)0x20000698 = 0;
    *(uint64_t*)0x200006a0 = 0;
    *(uint64_t*)0x200006a8 = 0x1c8e0;
    *(uint64_t*)0x200006b0 = 0;
    *(uint64_t*)0x200006b8 = 0;
    *(uint64_t*)0x200006c0 = 0x1c980;
    *(uint64_t*)0x200006c8 = 0;
    *(uint64_t*)0x200006d0 = 0;
    *(uint64_t*)0x200006d8 = 0x1ca00;
    *(uint64_t*)0x200006e0 = 0x20014f00;
    *(uint64_t*)0x200006e8 = 0;
    *(uint64_t*)0x200006f0 = 0x1cae0;
    *(uint64_t*)0x200006f8 = 0;
    *(uint64_t*)0x20000700 = 0;
    *(uint64_t*)0x20000708 = 0x1cc00;
    *(uint64_t*)0x20000710 = 0x20015100;
    *(uint64_t*)0x20000718 = 0;
    *(uint64_t*)0x20000720 = 0x1cce0;
    *(uint64_t*)0x20000728 = 0;
    *(uint64_t*)0x20000730 = 0;
    *(uint64_t*)0x20000738 = 0x20000;
    *(uint64_t*)0x20000740 = 0;
    *(uint64_t*)0x20000748 = 0;
    *(uint64_t*)0x20000750 = 0x20800;
    *(uint64_t*)0x20000758 = 0;
    *(uint64_t*)0x20000760 = 0;
    *(uint64_t*)0x20000768 = 0x21800;
    *(uint64_t*)0x20000770 = 0;
    *(uint64_t*)0x20000778 = 0;
    *(uint64_t*)0x20000780 = 0x21a00;
    *(uint64_t*)0x20000788 = 0;
    *(uint64_t*)0x20000790 = 0;
    *(uint64_t*)0x20000798 = 0x21c00;
    *(uint64_t*)0x200007a0 = 0x20015f00;
    *(uint64_t*)0x200007a8 = 0;
    *(uint64_t*)0x200007b0 = 0x22000;
    *(uint64_t*)0x200007b8 = 0;
    *(uint64_t*)0x200007c0 = 0;
    *(uint64_t*)0x200007c8 = 0x24000;
    *(uint64_t*)0x200007d0 = 0;
    *(uint64_t*)0x200007d8 = 0;
    *(uint64_t*)0x200007e0 = 0x240e0;
    *(uint64_t*)0x200007e8 = 0;
    *(uint64_t*)0x200007f0 = 0;
    *(uint64_t*)0x200007f8 = 0x242e0;
    *(uint64_t*)0x20000800 = 0;
    *(uint64_t*)0x20000808 = 0;
    *(uint64_t*)0x20000810 = 0x24400;
    *(uint64_t*)0x20000818 = 0x20016500;
    *(uint64_t*)0x20000820 = 0;
    *(uint64_t*)0x20000828 = 0x244e0;
    *(uint64_t*)0x20000830 = 0;
    *(uint64_t*)0x20000838 = 0;
    *(uint64_t*)0x20000840 = 0x24600;
    *(uint64_t*)0x20000848 = 0;
    *(uint64_t*)0x20000850 = 0;
    *(uint64_t*)0x20000858 = 0x24800;
    *(uint64_t*)0x20000860 = 0;
    *(uint64_t*)0x20000868 = 0;
    *(uint64_t*)0x20000870 = 0x24a00;
    *(uint64_t*)0x20000878 = 0;
    *(uint64_t*)0x20000880 = 0;
    *(uint64_t*)0x20000888 = 0x24c00;
    *(uint64_t*)0x20000890 = 0;
    *(uint64_t*)0x20000898 = 0;
    *(uint64_t*)0x200008a0 = 0x24e00;
    *(uint64_t*)0x200008a8 = 0;
    *(uint64_t*)0x200008b0 = 0;
    *(uint64_t*)0x200008b8 = 0x25000;
    *(uint64_t*)0x200008c0 = 0;
    *(uint64_t*)0x200008c8 = 0;
    *(uint64_t*)0x200008d0 = 0x25200;
    *(uint64_t*)0x200008d8 = 0;
    *(uint64_t*)0x200008e0 = 0;
    *(uint64_t*)0x200008e8 = 0x25400;
    *(uint64_t*)0x200008f0 = 0;
    *(uint64_t*)0x200008f8 = 0;
    *(uint64_t*)0x20000900 = 0x25600;
    *(uint64_t*)0x20000908 = 0;
    *(uint64_t*)0x20000910 = 0;
    *(uint64_t*)0x20000918 = 0x25800;
    *(uint64_t*)0x20000920 = 0;
    *(uint64_t*)0x20000928 = 0;
    *(uint64_t*)0x20000930 = 0x25a00;
    *(uint64_t*)0x20000938 = 0;
    *(uint64_t*)0x20000940 = 0;
    *(uint64_t*)0x20000948 = 0x25c00;
    *(uint64_t*)0x20000950 = 0;
    *(uint64_t*)0x20000958 = 0;
    *(uint64_t*)0x20000960 = 0x25e00;
    *(uint64_t*)0x20000968 = 0x20017300;
    *(uint64_t*)0x20000970 = 0;
    *(uint64_t*)0x20000978 = 0x26000;
    *(uint64_t*)0x20000980 = 0;
    *(uint64_t*)0x20000988 = 0;
    *(uint64_t*)0x20000990 = 0x26200;
    *(uint64_t*)0x20000998 = 0;
    *(uint64_t*)0x200009a0 = 0;
    *(uint64_t*)0x200009a8 = 0x26400;
    *(uint64_t*)0x200009b0 = 0;
    *(uint64_t*)0x200009b8 = 0;
    *(uint64_t*)0x200009c0 = 0x26600;
    *(uint64_t*)0x200009c8 = 0;
    *(uint64_t*)0x200009d0 = 0;
    *(uint64_t*)0x200009d8 = 0x26800;
    *(uint64_t*)0x200009e0 = 0;
    *(uint64_t*)0x200009e8 = 0;
    *(uint64_t*)0x200009f0 = 0x26a00;
    *(uint64_t*)0x200009f8 = 0;
    *(uint64_t*)0x20000a00 = 0;
    *(uint64_t*)0x20000a08 = 0x26c00;
    *(uint64_t*)0x20000a10 = 0x20017a00;
    memcpy((void*)0x20017a00,
           "\x10\xc4\x64\x5f\x10\x00\x00\x00\x37\x00\x00\x00\x00\x00\x00\x00"
           "\x04\x00\x00\x00\x24\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
           32);
    *(uint64_t*)0x20000a18 = 0x20;
    *(uint64_t*)0x20000a20 = 0x26e00;
    *(uint64_t*)0x20000a28 = 0;
    *(uint64_t*)0x20000a30 = 0;
    *(uint64_t*)0x20000a38 = 0x27000;
    *(uint64_t*)0x20000a40 = 0;
    *(uint64_t*)0x20000a48 = 0;
    *(uint64_t*)0x20000a50 = 0x27200;
    *(uint64_t*)0x20000a58 = 0;
    *(uint64_t*)0x20000a60 = 0;
    *(uint64_t*)0x20000a68 = 0xf01000;
    *(uint8_t*)0x2006d200 = 0;
    syz_mount_image(0x20000000, 0x20000100, 0, 0x5a, 0x20000200, 0, 0x2006d200);
    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);
  setup_sysctl();
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}