// https://syzkaller.appspot.com/bug?id=406d6c61736b4b0061c550d6cc3d929ad6cb836a
// 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 <setjmp.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>

unsigned long long procid;

static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) &&
      (addr < prog_start || addr > prog_end)) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  {                                                                            \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    }                                                                          \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
  }

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;
  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);
}

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 long syz_open_dev(volatile long a0, volatile long a1, volatile long a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    char buf[1024];
    char* hash;
    NONFAILING(strncpy(buf, (char*)a0, sizeof(buf) - 1));
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  DIR* dp;
  struct dirent* ep;
  int iter = 0;
retry:
  while (umount2(dir, MNT_DETACH) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  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) == 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))
        exit(1);
    }
  }
  closedir(dp);
  int i;
  for (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))
          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);
  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;
  int collide = 0;
again:
  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);
      if (collide && (call % 2) == 0)
        break;
      event_timedwait(&th->done, 45);
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
  if (!collide) {
    collide = 1;
    goto again;
  }
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter;
  for (iter = 0;; 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 (;;) {
      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;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res;
  switch (call) {
  case 0:
    NONFAILING(memcpy((void*)0x20000040, "/dev/uinput\000", 12));
    res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000040, 2, 0);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    NONFAILING(memcpy((void*)0x20000880,
                      "syz1\000\000\000\000\000\000\000\000\000\000\000\000\000"
                      "\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
                      "\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
                      "\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
                      "\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
                      "\000\000\000\000\000\000\000",
                      80));
    NONFAILING(*(uint16_t*)0x200008d0 = 0);
    NONFAILING(*(uint16_t*)0x200008d2 = 0);
    NONFAILING(*(uint16_t*)0x200008d4 = 0);
    NONFAILING(*(uint16_t*)0x200008d6 = 0);
    NONFAILING(*(uint32_t*)0x200008d8 = 0);
    NONFAILING(*(uint32_t*)0x200008dc = 0);
    NONFAILING(*(uint32_t*)0x200008e0 = 0);
    NONFAILING(*(uint32_t*)0x200008e4 = 0);
    NONFAILING(*(uint32_t*)0x200008e8 = 0);
    NONFAILING(*(uint32_t*)0x200008ec = 0);
    NONFAILING(*(uint32_t*)0x200008f0 = 0);
    NONFAILING(*(uint32_t*)0x200008f4 = 0);
    NONFAILING(*(uint32_t*)0x200008f8 = -1);
    NONFAILING(*(uint32_t*)0x200008fc = 0);
    NONFAILING(*(uint32_t*)0x20000900 = 0);
    NONFAILING(*(uint32_t*)0x20000904 = 0);
    NONFAILING(*(uint32_t*)0x20000908 = 0);
    NONFAILING(*(uint32_t*)0x2000090c = 0);
    NONFAILING(*(uint32_t*)0x20000910 = 0);
    NONFAILING(*(uint32_t*)0x20000914 = 0);
    NONFAILING(*(uint32_t*)0x20000918 = 0);
    NONFAILING(*(uint32_t*)0x2000091c = 0);
    NONFAILING(*(uint32_t*)0x20000920 = 0);
    NONFAILING(*(uint32_t*)0x20000924 = 0);
    NONFAILING(*(uint32_t*)0x20000928 = 0);
    NONFAILING(*(uint32_t*)0x2000092c = 0);
    NONFAILING(*(uint32_t*)0x20000930 = 0);
    NONFAILING(*(uint32_t*)0x20000934 = 0);
    NONFAILING(*(uint32_t*)0x20000938 = 5);
    NONFAILING(*(uint32_t*)0x2000093c = 0);
    NONFAILING(*(uint32_t*)0x20000940 = 0);
    NONFAILING(*(uint32_t*)0x20000944 = 0);
    NONFAILING(*(uint32_t*)0x20000948 = 0);
    NONFAILING(*(uint32_t*)0x2000094c = 0);
    NONFAILING(*(uint32_t*)0x20000950 = 0);
    NONFAILING(*(uint32_t*)0x20000954 = 0);
    NONFAILING(*(uint32_t*)0x20000958 = 0);
    NONFAILING(*(uint32_t*)0x2000095c = 0);
    NONFAILING(*(uint32_t*)0x20000960 = 0);
    NONFAILING(*(uint32_t*)0x20000964 = 0);
    NONFAILING(*(uint32_t*)0x20000968 = 0);
    NONFAILING(*(uint32_t*)0x2000096c = 0);
    NONFAILING(*(uint32_t*)0x20000970 = 0);
    NONFAILING(*(uint32_t*)0x20000974 = 0);
    NONFAILING(*(uint32_t*)0x20000978 = 0);
    NONFAILING(*(uint32_t*)0x2000097c = 0);
    NONFAILING(*(uint32_t*)0x20000980 = 0);
    NONFAILING(*(uint32_t*)0x20000984 = 0);
    NONFAILING(*(uint32_t*)0x20000988 = 0);
    NONFAILING(*(uint32_t*)0x2000098c = 0);
    NONFAILING(*(uint32_t*)0x20000990 = 0);
    NONFAILING(*(uint32_t*)0x20000994 = 0);
    NONFAILING(*(uint32_t*)0x20000998 = 0);
    NONFAILING(*(uint32_t*)0x2000099c = 0);
    NONFAILING(*(uint32_t*)0x200009a0 = 0);
    NONFAILING(*(uint32_t*)0x200009a4 = 0);
    NONFAILING(*(uint32_t*)0x200009a8 = 0);
    NONFAILING(*(uint32_t*)0x200009ac = 0);
    NONFAILING(*(uint32_t*)0x200009b0 = 0);
    NONFAILING(*(uint32_t*)0x200009b4 = 0);
    NONFAILING(*(uint32_t*)0x200009b8 = 0);
    NONFAILING(*(uint32_t*)0x200009bc = 0);
    NONFAILING(*(uint32_t*)0x200009c0 = 0);
    NONFAILING(*(uint32_t*)0x200009c4 = 0);
    NONFAILING(*(uint32_t*)0x200009c8 = 0);
    NONFAILING(*(uint32_t*)0x200009cc = 0);
    NONFAILING(*(uint32_t*)0x200009d0 = 0);
    NONFAILING(*(uint32_t*)0x200009d4 = 0);
    NONFAILING(*(uint32_t*)0x200009d8 = 0);
    NONFAILING(*(uint32_t*)0x200009dc = 0);
    NONFAILING(*(uint32_t*)0x200009e0 = 0);
    NONFAILING(*(uint32_t*)0x200009e4 = 0);
    NONFAILING(*(uint32_t*)0x200009e8 = 0);
    NONFAILING(*(uint32_t*)0x200009ec = 0);
    NONFAILING(*(uint32_t*)0x200009f0 = 0);
    NONFAILING(*(uint32_t*)0x200009f4 = 0);
    NONFAILING(*(uint32_t*)0x200009f8 = 0);
    NONFAILING(*(uint32_t*)0x200009fc = 4);
    NONFAILING(*(uint32_t*)0x20000a00 = 0);
    NONFAILING(*(uint32_t*)0x20000a04 = 0);
    NONFAILING(*(uint32_t*)0x20000a08 = 0);
    NONFAILING(*(uint32_t*)0x20000a0c = 0);
    NONFAILING(*(uint32_t*)0x20000a10 = 0);
    NONFAILING(*(uint32_t*)0x20000a14 = 0);
    NONFAILING(*(uint32_t*)0x20000a18 = 0);
    NONFAILING(*(uint32_t*)0x20000a1c = 0);
    NONFAILING(*(uint32_t*)0x20000a20 = 0);
    NONFAILING(*(uint32_t*)0x20000a24 = 0);
    NONFAILING(*(uint32_t*)0x20000a28 = 0);
    NONFAILING(*(uint32_t*)0x20000a2c = 0);
    NONFAILING(*(uint32_t*)0x20000a30 = 0);
    NONFAILING(*(uint32_t*)0x20000a34 = 0);
    NONFAILING(*(uint32_t*)0x20000a38 = 0);
    NONFAILING(*(uint32_t*)0x20000a3c = 0);
    NONFAILING(*(uint32_t*)0x20000a40 = 0);
    NONFAILING(*(uint32_t*)0x20000a44 = 0);
    NONFAILING(*(uint32_t*)0x20000a48 = 0);
    NONFAILING(*(uint32_t*)0x20000a4c = 0);
    NONFAILING(*(uint32_t*)0x20000a50 = 0);
    NONFAILING(*(uint32_t*)0x20000a54 = 0);
    NONFAILING(*(uint32_t*)0x20000a58 = 0);
    NONFAILING(*(uint32_t*)0x20000a5c = 0);
    NONFAILING(*(uint32_t*)0x20000a60 = 0);
    NONFAILING(*(uint32_t*)0x20000a64 = 0);
    NONFAILING(*(uint32_t*)0x20000a68 = 0);
    NONFAILING(*(uint32_t*)0x20000a6c = 0);
    NONFAILING(*(uint32_t*)0x20000a70 = 0);
    NONFAILING(*(uint32_t*)0x20000a74 = 0);
    NONFAILING(*(uint32_t*)0x20000a78 = 0);
    NONFAILING(*(uint32_t*)0x20000a7c = 0);
    NONFAILING(*(uint32_t*)0x20000a80 = 0);
    NONFAILING(*(uint32_t*)0x20000a84 = 0);
    NONFAILING(*(uint32_t*)0x20000a88 = 0);
    NONFAILING(*(uint32_t*)0x20000a8c = 0);
    NONFAILING(*(uint32_t*)0x20000a90 = 0);
    NONFAILING(*(uint32_t*)0x20000a94 = 0);
    NONFAILING(*(uint32_t*)0x20000a98 = 0);
    NONFAILING(*(uint32_t*)0x20000a9c = 0);
    NONFAILING(*(uint32_t*)0x20000aa0 = 0);
    NONFAILING(*(uint32_t*)0x20000aa4 = 0);
    NONFAILING(*(uint32_t*)0x20000aa8 = 0);
    NONFAILING(*(uint32_t*)0x20000aac = 0);
    NONFAILING(*(uint32_t*)0x20000ab0 = 0);
    NONFAILING(*(uint32_t*)0x20000ab4 = 0);
    NONFAILING(*(uint32_t*)0x20000ab8 = 0);
    NONFAILING(*(uint32_t*)0x20000abc = 0);
    NONFAILING(*(uint32_t*)0x20000ac0 = 0);
    NONFAILING(*(uint32_t*)0x20000ac4 = 0);
    NONFAILING(*(uint32_t*)0x20000ac8 = 0);
    NONFAILING(*(uint32_t*)0x20000acc = 0);
    NONFAILING(*(uint32_t*)0x20000ad0 = 0);
    NONFAILING(*(uint32_t*)0x20000ad4 = 0);
    NONFAILING(*(uint32_t*)0x20000ad8 = 0);
    NONFAILING(*(uint32_t*)0x20000adc = 0);
    NONFAILING(*(uint32_t*)0x20000ae0 = 2);
    NONFAILING(*(uint32_t*)0x20000ae4 = 0);
    NONFAILING(*(uint32_t*)0x20000ae8 = 0);
    NONFAILING(*(uint32_t*)0x20000aec = 0);
    NONFAILING(*(uint32_t*)0x20000af0 = 0);
    NONFAILING(*(uint32_t*)0x20000af4 = 0);
    NONFAILING(*(uint32_t*)0x20000af8 = 0);
    NONFAILING(*(uint32_t*)0x20000afc = 0);
    NONFAILING(*(uint32_t*)0x20000b00 = 0);
    NONFAILING(*(uint32_t*)0x20000b04 = 0);
    NONFAILING(*(uint32_t*)0x20000b08 = 0);
    NONFAILING(*(uint32_t*)0x20000b0c = 0);
    NONFAILING(*(uint32_t*)0x20000b10 = 0);
    NONFAILING(*(uint32_t*)0x20000b14 = 0);
    NONFAILING(*(uint32_t*)0x20000b18 = 0);
    NONFAILING(*(uint32_t*)0x20000b1c = 0);
    NONFAILING(*(uint32_t*)0x20000b20 = 0);
    NONFAILING(*(uint32_t*)0x20000b24 = 0);
    NONFAILING(*(uint32_t*)0x20000b28 = 0);
    NONFAILING(*(uint32_t*)0x20000b2c = 0);
    NONFAILING(*(uint32_t*)0x20000b30 = 0);
    NONFAILING(*(uint32_t*)0x20000b34 = 0);
    NONFAILING(*(uint32_t*)0x20000b38 = 0);
    NONFAILING(*(uint32_t*)0x20000b3c = 0);
    NONFAILING(*(uint32_t*)0x20000b40 = 0);
    NONFAILING(*(uint32_t*)0x20000b44 = 0);
    NONFAILING(*(uint32_t*)0x20000b48 = 0);
    NONFAILING(*(uint32_t*)0x20000b4c = 0);
    NONFAILING(*(uint32_t*)0x20000b50 = 0);
    NONFAILING(*(uint32_t*)0x20000b54 = 0);
    NONFAILING(*(uint32_t*)0x20000b58 = 0);
    NONFAILING(*(uint32_t*)0x20000b5c = 0);
    NONFAILING(*(uint32_t*)0x20000b60 = 0);
    NONFAILING(*(uint32_t*)0x20000b64 = 0);
    NONFAILING(*(uint32_t*)0x20000b68 = 0);
    NONFAILING(*(uint32_t*)0x20000b6c = 0xfffffffe);
    NONFAILING(*(uint32_t*)0x20000b70 = 0);
    NONFAILING(*(uint32_t*)0x20000b74 = 0);
    NONFAILING(*(uint32_t*)0x20000b78 = 0);
    NONFAILING(*(uint32_t*)0x20000b7c = 0);
    NONFAILING(*(uint32_t*)0x20000b80 = 0);
    NONFAILING(*(uint32_t*)0x20000b84 = 2);
    NONFAILING(*(uint32_t*)0x20000b88 = 0);
    NONFAILING(*(uint32_t*)0x20000b8c = 0);
    NONFAILING(*(uint32_t*)0x20000b90 = 0);
    NONFAILING(*(uint32_t*)0x20000b94 = 0);
    NONFAILING(*(uint32_t*)0x20000b98 = 0);
    NONFAILING(*(uint32_t*)0x20000b9c = 0);
    NONFAILING(*(uint32_t*)0x20000ba0 = 0);
    NONFAILING(*(uint32_t*)0x20000ba4 = 0);
    NONFAILING(*(uint32_t*)0x20000ba8 = 0);
    NONFAILING(*(uint32_t*)0x20000bac = 0);
    NONFAILING(*(uint32_t*)0x20000bb0 = 0);
    NONFAILING(*(uint32_t*)0x20000bb4 = 0);
    NONFAILING(*(uint32_t*)0x20000bb8 = 0);
    NONFAILING(*(uint32_t*)0x20000bbc = 0);
    NONFAILING(*(uint32_t*)0x20000bc0 = 0);
    NONFAILING(*(uint32_t*)0x20000bc4 = 0);
    NONFAILING(*(uint32_t*)0x20000bc8 = 0);
    NONFAILING(*(uint32_t*)0x20000bcc = 0);
    NONFAILING(*(uint32_t*)0x20000bd0 = 0);
    NONFAILING(*(uint32_t*)0x20000bd4 = 0);
    NONFAILING(*(uint32_t*)0x20000bd8 = 0);
    NONFAILING(*(uint32_t*)0x20000bdc = 0);
    NONFAILING(*(uint32_t*)0x20000be0 = 0);
    NONFAILING(*(uint32_t*)0x20000be4 = 0);
    NONFAILING(*(uint32_t*)0x20000be8 = 0);
    NONFAILING(*(uint32_t*)0x20000bec = 0);
    NONFAILING(*(uint32_t*)0x20000bf0 = 0);
    NONFAILING(*(uint32_t*)0x20000bf4 = 0);
    NONFAILING(*(uint32_t*)0x20000bf8 = 0);
    NONFAILING(*(uint32_t*)0x20000bfc = 0);
    NONFAILING(*(uint32_t*)0x20000c00 = 0);
    NONFAILING(*(uint32_t*)0x20000c04 = 0);
    NONFAILING(*(uint32_t*)0x20000c08 = 0);
    NONFAILING(*(uint32_t*)0x20000c0c = 0);
    NONFAILING(*(uint32_t*)0x20000c10 = 0);
    NONFAILING(*(uint32_t*)0x20000c14 = 0);
    NONFAILING(*(uint32_t*)0x20000c18 = 0);
    NONFAILING(*(uint32_t*)0x20000c1c = 0);
    NONFAILING(*(uint32_t*)0x20000c20 = 0);
    NONFAILING(*(uint32_t*)0x20000c24 = 0);
    NONFAILING(*(uint32_t*)0x20000c28 = 0);
    NONFAILING(*(uint32_t*)0x20000c2c = 0);
    NONFAILING(*(uint32_t*)0x20000c30 = 0);
    NONFAILING(*(uint32_t*)0x20000c34 = 0);
    NONFAILING(*(uint32_t*)0x20000c38 = 0);
    NONFAILING(*(uint32_t*)0x20000c3c = 0);
    NONFAILING(*(uint32_t*)0x20000c40 = 0xfffffffc);
    NONFAILING(*(uint32_t*)0x20000c44 = 0);
    NONFAILING(*(uint32_t*)0x20000c48 = 0);
    NONFAILING(*(uint32_t*)0x20000c4c = 0);
    NONFAILING(*(uint32_t*)0x20000c50 = 0);
    NONFAILING(*(uint32_t*)0x20000c54 = 0);
    NONFAILING(*(uint32_t*)0x20000c58 = 0);
    NONFAILING(*(uint32_t*)0x20000c5c = 0);
    NONFAILING(*(uint32_t*)0x20000c60 = 0);
    NONFAILING(*(uint32_t*)0x20000c64 = 0);
    NONFAILING(*(uint32_t*)0x20000c68 = 0);
    NONFAILING(*(uint32_t*)0x20000c6c = 0);
    NONFAILING(*(uint32_t*)0x20000c70 = 0);
    NONFAILING(*(uint32_t*)0x20000c74 = 0);
    NONFAILING(*(uint32_t*)0x20000c78 = 0);
    NONFAILING(*(uint32_t*)0x20000c7c = 0);
    NONFAILING(*(uint32_t*)0x20000c80 = 0);
    NONFAILING(*(uint32_t*)0x20000c84 = 0);
    NONFAILING(*(uint32_t*)0x20000c88 = 0);
    NONFAILING(*(uint32_t*)0x20000c8c = 0);
    NONFAILING(*(uint32_t*)0x20000c90 = 0);
    NONFAILING(*(uint32_t*)0x20000c94 = 0);
    NONFAILING(*(uint32_t*)0x20000c98 = 0);
    NONFAILING(*(uint32_t*)0x20000c9c = 0);
    NONFAILING(*(uint32_t*)0x20000ca0 = 0);
    NONFAILING(*(uint32_t*)0x20000ca4 = 0);
    NONFAILING(*(uint32_t*)0x20000ca8 = 0);
    NONFAILING(*(uint32_t*)0x20000cac = 0);
    NONFAILING(*(uint32_t*)0x20000cb0 = 0);
    NONFAILING(*(uint32_t*)0x20000cb4 = 0);
    NONFAILING(*(uint32_t*)0x20000cb8 = 0);
    NONFAILING(*(uint32_t*)0x20000cbc = 0);
    NONFAILING(*(uint32_t*)0x20000cc0 = 0);
    NONFAILING(*(uint32_t*)0x20000cc4 = 0);
    NONFAILING(*(uint32_t*)0x20000cc8 = 0);
    NONFAILING(*(uint32_t*)0x20000ccc = 0);
    NONFAILING(*(uint32_t*)0x20000cd0 = 0);
    NONFAILING(*(uint32_t*)0x20000cd4 = 0);
    NONFAILING(*(uint32_t*)0x20000cd8 = 0);
    syscall(__NR_write, r[0], 0x20000880, 0x45c);
    break;
  case 2:
    syscall(__NR_ioctl, r[0], 0x5501, 0);
    break;
  case 3:
    NONFAILING(memcpy((void*)0x20000e00, "/dev/input/event#\000", 18));
    syz_open_dev(0x20000e00, 8, 0x24440);
    break;
  case 4:
    syscall(__NR_ioctl, -1, 0x5501, 0);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  install_segv_handler();
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}