// https://syzkaller.appspot.com/bug?id=7dc739515fe202e3a03a528b23037405b8669e11
// 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>

uint64_t r[1] = {0xffffffffffffffff};

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);
  intptr_t res = 0;
  memcpy((void*)0x20000000, "./file0\000", 8);
  syscall(__NR_mkdir, 0x20000000ul, 0ul);
  memcpy((void*)0x20000400, "./file1\000", 8);
  syscall(__NR_mkdir, 0x20000400ul, 0ul);
  memcpy((void*)0x20000580, "./bus\000", 6);
  syscall(__NR_mkdir, 0x20000580ul, 0ul);
  memcpy((void*)0x20000040, "./bus\000", 6);
  memcpy((void*)0x20000080, "overlay\000", 8);
  memcpy((void*)0x20000340, "upperdir=./bus,workdir=./file1,lowerdir=./file0",
         47);
  syscall(__NR_mount, 0ul, 0x20000040ul, 0x20000080ul, 0ul, 0x20000340ul);
  memcpy((void*)0x20000540, "./bus\000", 6);
  syscall(__NR_chdir, 0x20000540ul);
  memcpy((void*)0x20000100, "./bus\000", 6);
  res = syscall(__NR_creat, 0x20000100ul, 0ul);
  if (res != -1)
    r[0] = res;
  syscall(__NR_fallocate, r[0], 0ul, 0ul, 0x1000f4ul);
  return 0;
}