text: // WARNING: refcount bug in cdev_get
  // https://syzkaller.appspot.com/bug?id=fc58ccf9a93c4efaefb2ac722bc5fa69eb1c9ac6
  // status:open
  // autogenerated by syzkaller (https://github.com/google/syzkaller)
  
  #define _GNU_SOURCE
  
  #include <dirent.h>
  #include <endian.h>
  #include <errno.h>
  #include <fcntl.h>
  #include <sched.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/resource.h>
  #include <sys/stat.h>
  #include <sys/syscall.h>
  #include <sys/time.h>
  #include <sys/types.h>
  #include <sys/wait.h>
  #include <time.h>
  #include <unistd.h>
  
  #include <linux/capability.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 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);
    }
  }
  
  static void setup_common()
  {
    if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
    }
  }
  
  static void loop();
  
  static void sandbox_common()
  {
    prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
    setpgrp();
    setsid();
    struct rlimit rlim;
    rlim.rlim_cur = rlim.rlim_max = (200 << 20);
    setrlimit(RLIMIT_AS, &rlim);
    rlim.rlim_cur = rlim.rlim_max = 32 << 20;
    setrlimit(RLIMIT_MEMLOCK, &rlim);
    rlim.rlim_cur = rlim.rlim_max = 136 << 20;
    setrlimit(RLIMIT_FSIZE, &rlim);
    rlim.rlim_cur = rlim.rlim_max = 1 << 20;
    setrlimit(RLIMIT_STACK, &rlim);
    rlim.rlim_cur = rlim.rlim_max = 0;
    setrlimit(RLIMIT_CORE, &rlim);
    rlim.rlim_cur = rlim.rlim_max = 256;
    setrlimit(RLIMIT_NOFILE, &rlim);
    if (unshare(CLONE_NEWNS)) {
    }
    if (unshare(CLONE_NEWIPC)) {
    }
    if (unshare(0x02000000)) {
    }
    if (unshare(CLONE_NEWUTS)) {
    }
    if (unshare(CLONE_SYSVSEM)) {
    }
    typedef struct {
      const char* name;
      const char* value;
    } sysctl_t;
    static const sysctl_t sysctls[] = {
        {"/proc/sys/kernel/shmmax", "16777216"},
        {"/proc/sys/kernel/shmall", "536870912"},
        {"/proc/sys/kernel/shmmni", "1024"},
        {"/proc/sys/kernel/msgmax", "8192"},
        {"/proc/sys/kernel/msgmni", "1024"},
        {"/proc/sys/kernel/msgmnb", "1024"},
        {"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
    };
    unsigned i;
    for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
      write_file(sysctls[i].name, sysctls[i].value);
  }
  
  int wait_for_loop(int pid)
  {
    if (pid < 0)
      exit(1);
    int status = 0;
    while (waitpid(-1, &status, __WALL) != pid) {
    }
    return WEXITSTATUS(status);
  }
  
  static void drop_caps(void)
  {
    struct __user_cap_header_struct cap_hdr = {};
    struct __user_cap_data_struct cap_data[2] = {};
    cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
    cap_hdr.pid = getpid();
    if (syscall(SYS_capget, &cap_hdr, &cap_data))
      exit(1);
    const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
    cap_data[0].effective &= ~drop;
    cap_data[0].permitted &= ~drop;
    cap_data[0].inheritable &= ~drop;
    if (syscall(SYS_capset, &cap_hdr, &cap_data))
      exit(1);
  }
  
  static int do_sandbox_none(void)
  {
    if (unshare(CLONE_NEWPID)) {
    }
    int pid = fork();
    if (pid != 0)
      return wait_for_loop(pid);
    setup_common();
    sandbox_common();
    drop_caps();
    if (unshare(CLONE_NEWNET)) {
    }
    loop();
    exit(1);
  }
  
  #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");
  }
  
  static void close_fds()
  {
    int fd;
    for (fd = 3; fd < 30; fd++)
      close(fd);
  }
  
  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();
        close_fds();
        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_one(void)
  {
    intptr_t res = 0;
    NONFAILING(memcpy((void*)0x20000000, "/dev/uinput\000", 12));
    res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000000, 2, 0);
    if (res != -1)
      r[0] = res;
    NONFAILING(memcpy((void*)0x20000b40,
                      "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*)0x20000b90 = 0);
    NONFAILING(*(uint16_t*)0x20000b92 = 0);
    NONFAILING(*(uint16_t*)0x20000b94 = 0);
    NONFAILING(*(uint16_t*)0x20000b96 = 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 = 0);
    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);
    NONFAILING(*(uint32_t*)0x20000cdc = 0);
    NONFAILING(*(uint32_t*)0x20000ce0 = 0);
    NONFAILING(*(uint32_t*)0x20000ce4 = 0);
    NONFAILING(*(uint32_t*)0x20000ce8 = 0);
    NONFAILING(*(uint32_t*)0x20000cec = 0);
    NONFAILING(*(uint32_t*)0x20000cf0 = 0);
    NONFAILING(*(uint32_t*)0x20000cf4 = 0);
    NONFAILING(*(uint32_t*)0x20000cf8 = 0);
    NONFAILING(*(uint32_t*)0x20000cfc = 0);
    NONFAILING(*(uint32_t*)0x20000d00 = 0);
    NONFAILING(*(uint32_t*)0x20000d04 = 0);
    NONFAILING(*(uint32_t*)0x20000d08 = 0);
    NONFAILING(*(uint32_t*)0x20000d0c = 0);
    NONFAILING(*(uint32_t*)0x20000d10 = 0);
    NONFAILING(*(uint32_t*)0x20000d14 = 0);
    NONFAILING(*(uint32_t*)0x20000d18 = 0);
    NONFAILING(*(uint32_t*)0x20000d1c = 0);
    NONFAILING(*(uint32_t*)0x20000d20 = 0);
    NONFAILING(*(uint32_t*)0x20000d24 = 0);
    NONFAILING(*(uint32_t*)0x20000d28 = 0);
    NONFAILING(*(uint32_t*)0x20000d2c = 0);
    NONFAILING(*(uint32_t*)0x20000d30 = 0);
    NONFAILING(*(uint32_t*)0x20000d34 = 0);
    NONFAILING(*(uint32_t*)0x20000d38 = 0);
    NONFAILING(*(uint32_t*)0x20000d3c = 0);
    NONFAILING(*(uint32_t*)0x20000d40 = 0);
    NONFAILING(*(uint32_t*)0x20000d44 = 0);
    NONFAILING(*(uint32_t*)0x20000d48 = 0);
    NONFAILING(*(uint32_t*)0x20000d4c = 0);
    NONFAILING(*(uint32_t*)0x20000d50 = 0);
    NONFAILING(*(uint32_t*)0x20000d54 = 0);
    NONFAILING(*(uint32_t*)0x20000d58 = 0);
    NONFAILING(*(uint32_t*)0x20000d5c = 0);
    NONFAILING(*(uint32_t*)0x20000d60 = 0);
    NONFAILING(*(uint32_t*)0x20000d64 = 0);
    NONFAILING(*(uint32_t*)0x20000d68 = 0);
    NONFAILING(*(uint32_t*)0x20000d6c = 0);
    NONFAILING(*(uint32_t*)0x20000d70 = 0);
    NONFAILING(*(uint32_t*)0x20000d74 = 0);
    NONFAILING(*(uint32_t*)0x20000d78 = 0);
    NONFAILING(*(uint32_t*)0x20000d7c = 0);
    NONFAILING(*(uint32_t*)0x20000d80 = 0);
    NONFAILING(*(uint32_t*)0x20000d84 = 0);
    NONFAILING(*(uint32_t*)0x20000d88 = 0);
    NONFAILING(*(uint32_t*)0x20000d8c = 0);
    NONFAILING(*(uint32_t*)0x20000d90 = 0);
    NONFAILING(*(uint32_t*)0x20000d94 = 0);
    NONFAILING(*(uint32_t*)0x20000d98 = 0);
    NONFAILING(*(uint32_t*)0x20000d9c = 0);
    NONFAILING(*(uint32_t*)0x20000da0 = 0);
    NONFAILING(*(uint32_t*)0x20000da4 = 0);
    NONFAILING(*(uint32_t*)0x20000da8 = 0);
    NONFAILING(*(uint32_t*)0x20000dac = 0);
    NONFAILING(*(uint32_t*)0x20000db0 = 0);
    NONFAILING(*(uint32_t*)0x20000db4 = 0);
    NONFAILING(*(uint32_t*)0x20000db8 = 0);
    NONFAILING(*(uint32_t*)0x20000dbc = 0);
    NONFAILING(*(uint32_t*)0x20000dc0 = 0);
    NONFAILING(*(uint32_t*)0x20000dc4 = 0);
    NONFAILING(*(uint32_t*)0x20000dc8 = 0);
    NONFAILING(*(uint32_t*)0x20000dcc = 0);
    NONFAILING(*(uint32_t*)0x20000dd0 = 0);
    NONFAILING(*(uint32_t*)0x20000dd4 = 0);
    NONFAILING(*(uint32_t*)0x20000dd8 = 0);
    NONFAILING(*(uint32_t*)0x20000ddc = 0);
    NONFAILING(*(uint32_t*)0x20000de0 = 0);
    NONFAILING(*(uint32_t*)0x20000de4 = 0);
    NONFAILING(*(uint32_t*)0x20000de8 = 0);
    NONFAILING(*(uint32_t*)0x20000dec = 0);
    NONFAILING(*(uint32_t*)0x20000df0 = 0);
    NONFAILING(*(uint32_t*)0x20000df4 = 0);
    NONFAILING(*(uint32_t*)0x20000df8 = 0);
    NONFAILING(*(uint32_t*)0x20000dfc = 0);
    NONFAILING(*(uint32_t*)0x20000e00 = 0);
    NONFAILING(*(uint32_t*)0x20000e04 = 0);
    NONFAILING(*(uint32_t*)0x20000e08 = 0);
    NONFAILING(*(uint32_t*)0x20000e0c = 0);
    NONFAILING(*(uint32_t*)0x20000e10 = 0);
    NONFAILING(*(uint32_t*)0x20000e14 = 0);
    NONFAILING(*(uint32_t*)0x20000e18 = 0);
    NONFAILING(*(uint32_t*)0x20000e1c = 0);
    NONFAILING(*(uint32_t*)0x20000e20 = 0);
    NONFAILING(*(uint32_t*)0x20000e24 = 0);
    NONFAILING(*(uint32_t*)0x20000e28 = 0);
    NONFAILING(*(uint32_t*)0x20000e2c = 0);
    NONFAILING(*(uint32_t*)0x20000e30 = 0);
    NONFAILING(*(uint32_t*)0x20000e34 = 0);
    NONFAILING(*(uint32_t*)0x20000e38 = 0);
    NONFAILING(*(uint32_t*)0x20000e3c = 0);
    NONFAILING(*(uint32_t*)0x20000e40 = 0);
    NONFAILING(*(uint32_t*)0x20000e44 = 0);
    NONFAILING(*(uint32_t*)0x20000e48 = 0);
    NONFAILING(*(uint32_t*)0x20000e4c = 0);
    NONFAILING(*(uint32_t*)0x20000e50 = 0);
    NONFAILING(*(uint32_t*)0x20000e54 = 0);
    NONFAILING(*(uint32_t*)0x20000e58 = 0);
    NONFAILING(*(uint32_t*)0x20000e5c = 0);
    NONFAILING(*(uint32_t*)0x20000e60 = 0);
    NONFAILING(*(uint32_t*)0x20000e64 = 0);
    NONFAILING(*(uint32_t*)0x20000e68 = 0);
    NONFAILING(*(uint32_t*)0x20000e6c = 0);
    NONFAILING(*(uint32_t*)0x20000e70 = 0);
    NONFAILING(*(uint32_t*)0x20000e74 = 0);
    NONFAILING(*(uint32_t*)0x20000e78 = 0);
    NONFAILING(*(uint32_t*)0x20000e7c = 0);
    NONFAILING(*(uint32_t*)0x20000e80 = 0);
    NONFAILING(*(uint32_t*)0x20000e84 = 0);
    NONFAILING(*(uint32_t*)0x20000e88 = 0);
    NONFAILING(*(uint32_t*)0x20000e8c = 0);
    NONFAILING(*(uint32_t*)0x20000e90 = 0);
    NONFAILING(*(uint32_t*)0x20000e94 = 0);
    NONFAILING(*(uint32_t*)0x20000e98 = 0);
    NONFAILING(*(uint32_t*)0x20000e9c = 0);
    NONFAILING(*(uint32_t*)0x20000ea0 = 0);
    NONFAILING(*(uint32_t*)0x20000ea4 = 0);
    NONFAILING(*(uint32_t*)0x20000ea8 = 0);
    NONFAILING(*(uint32_t*)0x20000eac = 0);
    NONFAILING(*(uint32_t*)0x20000eb0 = 0);
    NONFAILING(*(uint32_t*)0x20000eb4 = 0);
    NONFAILING(*(uint32_t*)0x20000eb8 = 0);
    NONFAILING(*(uint32_t*)0x20000ebc = 0);
    NONFAILING(*(uint32_t*)0x20000ec0 = 0);
    NONFAILING(*(uint32_t*)0x20000ec4 = 0);
    NONFAILING(*(uint32_t*)0x20000ec8 = 0);
    NONFAILING(*(uint32_t*)0x20000ecc = 0);
    NONFAILING(*(uint32_t*)0x20000ed0 = 0);
    NONFAILING(*(uint32_t*)0x20000ed4 = 0);
    NONFAILING(*(uint32_t*)0x20000ed8 = 0);
    NONFAILING(*(uint32_t*)0x20000edc = 0);
    NONFAILING(*(uint32_t*)0x20000ee0 = 0);
    NONFAILING(*(uint32_t*)0x20000ee4 = 0);
    NONFAILING(*(uint32_t*)0x20000ee8 = 0);
    NONFAILING(*(uint32_t*)0x20000eec = 0);
    NONFAILING(*(uint32_t*)0x20000ef0 = 0);
    NONFAILING(*(uint32_t*)0x20000ef4 = 0);
    NONFAILING(*(uint32_t*)0x20000ef8 = 0);
    NONFAILING(*(uint32_t*)0x20000efc = 0);
    NONFAILING(*(uint32_t*)0x20000f00 = 0);
    NONFAILING(*(uint32_t*)0x20000f04 = 0);
    NONFAILING(*(uint32_t*)0x20000f08 = 0);
    NONFAILING(*(uint32_t*)0x20000f0c = 0);
    NONFAILING(*(uint32_t*)0x20000f10 = 0);
    NONFAILING(*(uint32_t*)0x20000f14 = 0);
    NONFAILING(*(uint32_t*)0x20000f18 = 0);
    NONFAILING(*(uint32_t*)0x20000f1c = 0);
    NONFAILING(*(uint32_t*)0x20000f20 = 0);
    NONFAILING(*(uint32_t*)0x20000f24 = 0);
    NONFAILING(*(uint32_t*)0x20000f28 = 0);
    NONFAILING(*(uint32_t*)0x20000f2c = 0);
    NONFAILING(*(uint32_t*)0x20000f30 = 0);
    NONFAILING(*(uint32_t*)0x20000f34 = 0);
    NONFAILING(*(uint32_t*)0x20000f38 = 0);
    NONFAILING(*(uint32_t*)0x20000f3c = 0);
    NONFAILING(*(uint32_t*)0x20000f40 = 0);
    NONFAILING(*(uint32_t*)0x20000f44 = 0);
    NONFAILING(*(uint32_t*)0x20000f48 = 0);
    NONFAILING(*(uint32_t*)0x20000f4c = 0);
    NONFAILING(*(uint32_t*)0x20000f50 = 0);
    NONFAILING(*(uint32_t*)0x20000f54 = 0);
    NONFAILING(*(uint32_t*)0x20000f58 = 0);
    NONFAILING(*(uint32_t*)0x20000f5c = 0);
    NONFAILING(*(uint32_t*)0x20000f60 = 0);
    NONFAILING(*(uint32_t*)0x20000f64 = 0);
    NONFAILING(*(uint32_t*)0x20000f68 = 0);
    NONFAILING(*(uint32_t*)0x20000f6c = 0);
    NONFAILING(*(uint32_t*)0x20000f70 = 0);
    NONFAILING(*(uint32_t*)0x20000f74 = 0);
    NONFAILING(*(uint32_t*)0x20000f78 = 0);
    NONFAILING(*(uint32_t*)0x20000f7c = 0);
    NONFAILING(*(uint32_t*)0x20000f80 = 0);
    NONFAILING(*(uint32_t*)0x20000f84 = 0);
    NONFAILING(*(uint32_t*)0x20000f88 = 0);
    NONFAILING(*(uint32_t*)0x20000f8c = 0);
    NONFAILING(*(uint32_t*)0x20000f90 = 0);
    NONFAILING(*(uint32_t*)0x20000f94 = 0);
    NONFAILING(*(uint32_t*)0x20000f98 = 0);
    syscall(__NR_write, r[0], 0x20000b40, 0x45c);
    syscall(__NR_ioctl, r[0], 0x5501, 0);
    NONFAILING(memcpy((void*)0x20000b00, "/dev/input/event#\000", 18));
    syz_open_dev(0x20000b00, 4, 0);
  }
  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();
        do_sandbox_none();
      }
    }
    sleep(1000000);
    return 0;
  }
  