// https://syzkaller.appspot.com/bug?id=fc9fdff62276818feb777668e69a9ebd7b20d5e3
// 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, 0x20000000ul, 0x1000000ul, 3ul, 0x32ul, -1, 0ul);
  intptr_t res = 0;
  memcpy((void*)0x20000000, "./file0\000", 8);
  syscall(__NR_mkdir, 0x20000000ul, 0ul);
  memcpy((void*)0x20000080, "./file0\000", 8);
  memcpy((void*)0x20000040, "hugetlbfs\000", 10);
  syscall(__NR_mount, 0ul, 0x20000080ul, 0x20000040ul, 0ul, 0ul);
  memcpy((void*)0x20000300, "./file0\000", 8);
  syscall(__NR_chdir, 0x20000300ul);
  memcpy((void*)0x20000240, "./file1\000", 8);
  syscall(__NR_mkdir, 0x20000240ul, 0ul);
  memcpy((void*)0x20000300, "./bus\000", 6);
  syscall(__NR_mkdir, 0x20000300ul, 0ul);
  memcpy((void*)0x20000280, "./file0\000", 8);
  syscall(__NR_mkdir, 0x20000280ul, 0ul);
  memcpy((void*)0x20000000, "./bus\000", 6);
  memcpy((void*)0x20000400, "overlay\000", 8);
  memcpy((void*)0x20000300, "lowerdir=./bus,workdir=./file1,upperdir=./file0",
         47);
  syscall(__NR_mount, 0x400000ul, 0x20000000ul, 0x20000400ul, 0ul,
          0x20000300ul);
  memcpy((void*)0x20000140, "./bus\000", 6);
  syscall(__NR_chdir, 0x20000140ul);
  memcpy((void*)0x20000080, "cpu.stat\000", 9);
  res = syscall(__NR_openat, 0xffffff9c, 0x20000080ul, 0x275aul, 0ul);
  if (res != -1)
    r[0] = res;
  syscall(__NR_mmap, 0x20000000ul, 0x3000ul, 0ul, 0x10012ul, r[0], 0ul);
  return 0;
}