// https://syzkaller.appspot.com/bug?id=01a246c94708ec2bb925cde22c3c0dbe88626d5e
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <pwd.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <unistd.h>

#ifndef SYS_mknod
#define SYS_mknod 450
#endif
#ifndef SYS_mmap
#define SYS_mmap 197
#endif
#ifndef SYS_open
#define SYS_open 5
#endif
#ifndef SYS_preadv
#define SYS_preadv 289
#endif

uint64_t r[1] = {0xffffffffffffffff};

int main(void)
{
  syscall(SYS_mmap, 0x20000000, 0x1000000, 3, 0x1012, -1, 0, 0);
  long res = 0;
  memcpy((void*)0x20000000, "./file0\000", 8);
  syscall(SYS_mknod, 0x20000000, 0xf020, 0);
  memcpy((void*)0x200000c0, "./file0\000", 8);
  res = syscall(SYS_open, 0x200000c0, 0, 0);
  if (res != -1)
    r[0] = res;
  *(uint64_t*)0x20001100 = 0;
  *(uint64_t*)0x20001108 = 0;
  syscall(SYS_preadv, r[0], 0x20001100, 1, 0);
  return 0;
}