// https://syzkaller.appspot.com/bug?id=9253638353fa73b900167c64495455f5327644bd
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

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);

  memcpy((void*)0x20000280, "./bus\000", 6);
  syscall(__NR_mkdir, 0x20000280ul, 0ul);
  memcpy((void*)0x20000140, "./file0\000", 8);
  syscall(__NR_mkdir, 0x20000140ul, 0ul);
  memcpy((void*)0x20000040, "./file1\000", 8);
  syscall(__NR_mkdir, 0x20000040ul, 0ul);
  memcpy((void*)0x20000300, "./bus/file0\000", 12);
  syscall(__NR_mknod, 0x20000300ul, 0ul, 0);
  memcpy((void*)0x20000180, "./bus/file0\000", 12);
  memcpy((void*)0x20000200, "./bus/file1\000", 12);
  syscall(__NR_link, 0x20000180ul, 0x20000200ul);
  memcpy((void*)0x200000c0, "./bus\000", 6);
  memcpy((void*)0x20000100, "overlay\000", 8);
  memcpy((void*)0x20000480,
         "upperdir=./file1,lowerdir=./bus,workdir=./file0,nfs_export=on", 61);
  syscall(__NR_mount, 0x400002ul, 0x200000c0ul, 0x20000100ul, 0ul,
          0x20000480ul);
  memcpy((void*)0x20000000, "./bus/file1\000", 12);
  syscall(__NR_open, 0x20000000ul, 0x2003ul, 0ul);
  return 0;
}